diff options
510 files changed, 22625 insertions, 6097 deletions
diff --git a/.gitignore b/.gitignore index 31ea9f13ba..a213e8e25b 100644 --- a/.gitignore +++ b/.gitignore @@ -75,7 +75,6 @@ git-merge-one-file git-merge-ours git-merge-recursive git-merge-resolve -git-merge-stupid git-merge-subtree git-mergetool git-mktag diff --git a/Documentation/.gitignore b/Documentation/.gitignore index 2f938f471a..d8edd90406 100644 --- a/Documentation/.gitignore +++ b/Documentation/.gitignore @@ -2,7 +2,9 @@ *.html *.[1-8] *.made +*.texi git.info +gitman.info howto-index.txt doc.dep cmds-*.txt diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 994eb9159a..d2a0a76e6c 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -89,6 +89,8 @@ For C programs: of "else if" statements, it can make sense to add braces to single line blocks. + - We try to avoid assignments inside if(). + - Try to make your code understandable. You may put comments in, but comments invariably tend to stale out when the code they were describing changes. Often splitting a function diff --git a/Documentation/Makefile b/Documentation/Makefile index 4144d1e086..62269e39c4 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -1,9 +1,12 @@ MAN1_TXT= \ $(filter-out $(addsuffix .txt, $(ARTICLES) $(SP_ARTICLES)), \ $(wildcard git-*.txt)) \ - gitk.txt -MAN5_TXT=gitattributes.txt gitignore.txt gitmodules.txt githooks.txt -MAN7_TXT=git.txt gitcli.txt + gitk.txt git.txt +MAN5_TXT=gitattributes.txt gitignore.txt gitmodules.txt githooks.txt \ + gitrepository-layout.txt +MAN7_TXT=gitcli.txt gittutorial.txt gittutorial-2.txt \ + gitcvs-migration.txt gitcore-tutorial.txt gitglossary.txt \ + gitdiffcore.txt MAN_TXT = $(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT) MAN_XML=$(patsubst %.txt,%.xml,$(MAN_TXT)) @@ -11,16 +14,9 @@ MAN_HTML=$(patsubst %.txt,%.html,$(MAN_TXT)) DOC_HTML=$(MAN_HTML) -ARTICLES = tutorial -ARTICLES += tutorial-2 -ARTICLES += core-tutorial -ARTICLES += cvs-migration -ARTICLES += diffcore -ARTICLES += howto-index -ARTICLES += repository-layout +ARTICLES = howto-index ARTICLES += everyday ARTICLES += git-tools -ARTICLES += glossary # with their own formatting rules. SP_ARTICLES = howto/revert-branch-rebase howto/using-merge-subtree user-manual API_DOCS = $(patsubst %.txt,%,$(filter-out technical/api-index-skel.txt technical/api-index.txt, $(wildcard technical/api-*.txt))) @@ -143,8 +139,6 @@ cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT) $(PERL_PATH) ./cmd-list.perl ../command-list.txt date >$@ -git.7 git.html: git.txt - clean: $(RM) *.xml *.xml+ *.html *.html+ *.1 *.5 *.7 $(RM) *.texi *.texi+ git.info gitman.info diff --git a/Documentation/RelNotes-1.5.4.6.txt b/Documentation/RelNotes-1.5.4.6.txt new file mode 100644 index 0000000000..3e3c3e55a3 --- /dev/null +++ b/Documentation/RelNotes-1.5.4.6.txt @@ -0,0 +1,43 @@ +GIT v1.5.4.6 Release Notes +========================== + +I personally do not think there is any reason anybody should want to +run v1.5.4.X series these days, because 'master' version is always +more stable than any tagged released version of git. + +This is primarily to futureproof "git-shell" to accept requests +without a dash between "git" and subcommand name (e.g. "git +upload-pack") which the newer client will start to make sometime in +the future. + +Fixes since v1.5.4.5 +-------------------- + + * Command line option "-n" to "git-repack" was not correctly parsed. + + * Error messages from "git-apply" when the patchfile cannot be opened + have been improved. + + * Error messages from "git-bisect" when given nonsense revisions have + been improved. + + * reflog syntax that uses time e.g. "HEAD@{10 seconds ago}:path" did not + stop parsing at the closing "}". + + * "git rev-parse --symbolic-full-name ^master^2" printed solitary "^", + but it should print nothing. + + * "git apply" did not enforce "match at the beginning" correctly. + + * a path specification "a/b" in .gitattributes file should not match + "sub/a/b", but it did. + + * "git log --date-order --topo-order" did not override the earlier + date-order with topo-order as expected. + + * "git fast-export" did not export octopus merges correctly. + + * "git archive --prefix=$path/" mishandled gitattributes. + +As usual, it also comes with many documentation fixes and clarifications. + diff --git a/Documentation/RelNotes-1.5.5.2.txt b/Documentation/RelNotes-1.5.5.2.txt new file mode 100644 index 0000000000..391a7b02ea --- /dev/null +++ b/Documentation/RelNotes-1.5.5.2.txt @@ -0,0 +1,27 @@ +GIT v1.5.5.2 Release Notes +========================== + +Fixes since v1.5.5.1 +-------------------- + + * "git repack -n" was mistakenly made no-op earlier. + + * "git imap-send" wanted to always have imap.host even when use of + imap.tunnel made it unnecessary. + + * reflog syntax that uses time e.g. "HEAD@{10 seconds ago}:path" did not + stop parsing at the closing "}". + + * "git rev-parse --symbolic-full-name ^master^2" printed solitary "^", + but it should print nothing. + + * "git commit" did not detect when it failed to write tree objects. + + * "git fetch" sometimes transferred too many objects unnecessarily. + + * a path specification "a/b" in .gitattributes file should not match + "sub/a/b". + + * various gitweb fixes. + +Also comes with various documentation updates. diff --git a/Documentation/RelNotes-1.5.5.3.txt b/Documentation/RelNotes-1.5.5.3.txt new file mode 100644 index 0000000000..f22f98b734 --- /dev/null +++ b/Documentation/RelNotes-1.5.5.3.txt @@ -0,0 +1,12 @@ +GIT v1.5.5.3 Release Notes +========================== + +Fixes since v1.5.5.2 +-------------------- + + * "git send-email --compose" did not notice that non-ascii contents + needed some MIME magic. + + * "git fast-export" did not export octopus merges correctly. + +Also comes with various documentation updates. diff --git a/Documentation/RelNotes-1.5.5.4.txt b/Documentation/RelNotes-1.5.5.4.txt new file mode 100644 index 0000000000..2d0279ecce --- /dev/null +++ b/Documentation/RelNotes-1.5.5.4.txt @@ -0,0 +1,7 @@ +GIT v1.5.5.4 Release Notes +========================== + +Fixes since v1.5.5.4 +-------------------- + + * "git name-rev --all" used to segfault. diff --git a/Documentation/RelNotes-1.5.5.5.txt b/Documentation/RelNotes-1.5.5.5.txt new file mode 100644 index 0000000000..30fa3615c7 --- /dev/null +++ b/Documentation/RelNotes-1.5.5.5.txt @@ -0,0 +1,11 @@ +GIT v1.5.5.5 Release Notes +========================== + +I personally do not think there is any reason anybody should want to +run v1.5.5.X series these days, because 'master' version is always +more stable than any tagged released version of git. + +This is primarily to futureproof "git-shell" to accept requests +without a dash between "git" and subcommand name (e.g. "git +upload-pack") which the newer client will start to make sometime in +the future. diff --git a/Documentation/RelNotes-1.5.6.1.txt b/Documentation/RelNotes-1.5.6.1.txt new file mode 100644 index 0000000000..4864b16445 --- /dev/null +++ b/Documentation/RelNotes-1.5.6.1.txt @@ -0,0 +1,28 @@ +GIT v1.5.6.1 Release Notes +========================== + +Fixes since v1.5.6 +------------------ + +* Last minute change broke loose object creation on AIX. + +* (performance fix) We used to make $GIT_DIR absolute path early in the + programs but keeping it relative to the current directory internally + gives 1-3 per-cent performance boost. + +* bash completion knows the new --graph option to git-log family. + + +* git-diff -c/--cc showed unnecessary "deletion" lines at the context + boundary. + +* git-for-each-ref ignored %(object) and %(type) requests for tag + objects. + +* git-merge usage had a typo. + +* Rebuilding of git-svn metainfo database did not take rewriteRoot + option into account. + +* Running "git-rebase --continue/--skip/--abort" before starting a + rebase gave nonsense error messages. diff --git a/Documentation/RelNotes-1.5.6.2.txt b/Documentation/RelNotes-1.5.6.2.txt new file mode 100644 index 0000000000..5902a85a78 --- /dev/null +++ b/Documentation/RelNotes-1.5.6.2.txt @@ -0,0 +1,40 @@ +GIT v1.5.6.2 Release Notes +========================== + +Futureproof +----------- + + * "git-shell" accepts requests without a dash between "git" and + subcommand name (e.g. "git upload-pack") which the newer client will + start to make sometime in the future. + +Fixes since v1.5.6.1 +-------------------- + +* "git clone" from a remote that is named with url.insteadOf setting in + $HOME/.gitconfig did not work well. + +* "git describe --long --tags" segfaulted when the described revision was + tagged with a lightweight tag. + +* "git diff --check" did not report the result via its exit status + reliably. + +* When remote side used to have branch 'foo' and git-fetch finds that now + it has branch 'foo/bar', it refuses to lose the existing remote tracking + branch and its reflog. The error message has been improved to suggest + pruning the remote if the user wants to proceed and get the latest set + of branches from the remote, including such 'foo/bar'. + +* "git reset file" should mean the same thing as "git reset HEAD file", + but we required disambiguating -- even when "file" is not ambiguous. + +* "git show" segfaulted when an annotated tag that points at another + annotated tag was given to it. + +* Optimization for a large import via "git-svn" introduced in v1.5.6 had a + serious memory and temporary file leak, which made it unusable for + moderately large import. + +* "git-svn" mangled remote nickname used in the configuration file + unnecessarily. diff --git a/Documentation/RelNotes-1.5.6.txt b/Documentation/RelNotes-1.5.6.txt index f3256fb82c..e143d8d61b 100644 --- a/Documentation/RelNotes-1.5.6.txt +++ b/Documentation/RelNotes-1.5.6.txt @@ -6,16 +6,40 @@ Updates since v1.5.5 (subsystems) +* Comes with updated gitk and git-gui. (portability) +* git will build on AIX better than before now. + +* core.ignorecase configuration variable can be used to work better on + filesystems that are not case sensitive. + +* "git init" now autodetects the case sensitivity of the filesystem and + sets core.ignorecase accordingly. + +* cpio is no longer used; neither "curl" binary (libcurl is still used). + +(documentation) + +* Many freestanding documentation pages have been converted and made + available to "git help" (aka "man git<something>") as section 7 of + the manual pages. This means bookmarks to some HTML documentation + files may need to be updated (eg "tutorial.html" became + "gittutorial.html"). (performance) +* "git clone" was rewritten in C. This will hopefully help cloning a + repository with insane number of refs. + * "git rebase --onto $there $from $branch" used to switch to the tip of $branch only to immediately reset back to $from, smudging work tree files unnecessarily. This has been optimized. +* Object creation codepath in "git-svn" has been optimized by enhancing + plumbing commands git-cat-file and git-hash-object. + (usability, bells and whistles) * "git add -p" (and the "patch" subcommand of "git add -i") can choose to @@ -23,20 +47,57 @@ Updates since v1.5.5 * "git bisect help" gives longer and more helpful usage information. +* "git bisect" does not use a special branch "bisect" anymore; instead, it + does its work on a detached HEAD. + +* "git branch" (and "git checkout -b") can be told to set up + branch.<name>.rebase automatically, so that later you can say "git pull" + and magically cause "git pull --rebase" to happen. + +* "git branch --merged" and "git branch --no-merged" can be used to list + branches that have already been merged (or not yet merged) to the + current branch. + +* "git cherry-pick" and "git revert" can add a sign-off. + +* "git commit" mentions the author identity when you are committing + somebody else's changes. + * "git diff/log --dirstat" output is consistent between binary and textual changes. -* "git gc --auto" honors a new pre-aut-gc hook to temporarily disable it. +* "git filter-branch" rewrites signed tags by demoting them to annotated. + +* "git format-patch --no-binary" can produce a patch that lack binary + changes (i.e. cannot be used to propagate the whole changes) meant only + for reviewing. + +* "git init --bare" is a synonym for "git --bare init" now. + +* "git gc --auto" honors a new pre-auto-gc hook to temporarily disable it. * "git log --pretty=tformat:<custom format>" gives a LF after each entry, instead of giving a LF between each pair of entries which is how "git log --pretty=format:<custom format>" works. +* "git log" and friends learned the "--graph" option to show the ancestry + graph at the left margin of the output. + +* "git log" and friends can be told to use date format that is different + from the default via 'log.date' configuration variable. + * "git send-email" now can send out messages outside a git repository. +* "git send-email --compose" was made aware of rfc2047 quoting. + * "git status" can optionally include output from "git submodule summary". +* "git svn" learned --add-author-from option to propagate the authorship + by munging the commit log message. + +* new object creation and looking up in "git svn" has been optimized. + * "gitweb" can read from a system-wide configuration file. (internal) @@ -51,9 +112,4 @@ Fixes since v1.5.5 All of the fixes in v1.5.5 maintenance series are included in this release, unless otherwise noted. - --- -exec >/var/tmp/1 -O=v1.5.5-56-g5f0734f -echo O=`git describe refs/heads/master` -git shortlog --no-merges $O..refs/heads/master ^refs/heads/maint +And there are too numerous small fixes to otherwise note here ;-) diff --git a/Documentation/RelNotes-1.6.0.txt b/Documentation/RelNotes-1.6.0.txt new file mode 100644 index 0000000000..a8bda44961 --- /dev/null +++ b/Documentation/RelNotes-1.6.0.txt @@ -0,0 +1,139 @@ +GIT v1.6.0 Release Notes +======================== + +User visible changes +-------------------- + +With the default Makefile settings, most of the programs are now +installed outside your $PATH, except for "git", "gitk", "git-gui" and +some server side programs that need to be accessible for technical +reasons. Invoking a git subcommand as "git-xyzzy" from the command +line has been deprecated since early 2006 (and officially announced in +1.5.4 release notes); use of them from your scripts after adding +output from "git --exec-path" to the $PATH is still supported in this +release, but users are again strongly encouraged to adjust their +scripts to use "git xyzzy" form, as we will stop installing +"git-xyzzy" hardlinks for built-in commands in later releases. + +Source changes needed for porting to MinGW environment are now all in the +main git.git codebase. + +By default, packfiles created with this version uses delta-base-offset +encoding introduced in v1.4.4. Pack idx files are using version 2 that +allows larger packs and added robustness thanks to its CRC checking, +introduced in v1.5.2. + +GIT_CONFIG, which was only documented as affecting "git config", but +actually affected all git commands, now only affects "git config". +GIT_LOCAL_CONFIG, also only documented as affecting "git config" and +not different from GIT_CONFIG in a useful way, is removed. + + +Updates since v1.5.6 +-------------------- + +(subsystems) + +* git-p4 in contrib learned "allowSubmit" configuration to control on + which branch to allow "submit" subcommand. + +(portability) + +* Sample hook scripts shipped in templates/ are now suffixed with + *.sample. We used to prevent them from triggering by default by + relying on the fact that we install them as unexecutable, but on + some filesystems this approach does not work. Instead of running + "chmod +x" on them, the users who want to activate these samples + as-is can now rename them dropping *.sample suffix. + +* perl's in-place edit (-i) does not work well without backup files on Windows; + some tests are rewritten to cope with this. + +(documentation) + +* Updated howto/update-hook-example + +* Got rid of usage of "git-foo" from the tutorial. + +* Disambiguating "--" between revs and paths is finally documented. + +(performance, robustness, sanity etc.) + +* even more documentation pages are now accessible via "man" and "git help". + +* reduced excessive inlining to shrink size of the "git" binary. + +* verify-pack checks the object CRC when using version 2 idx files. + +* When an object is corrupt in a pack, the object became unusable even + when the same object is available in a loose form, We now try harder to + fall back to these redundant objects when able. In particular, "git + repack -a -f" can be used to fix such a corruption as long as necessary + objects are available. + +* git-clone does not create refs in loose form anymore (it behaves as + if you immediately ran git-pack-refs after cloning). This will help + repositories with insanely large number of refs. + +* core.fsyncobjectfiles configuration can be used to ensure that the loose + objects created will be fsync'ed (this is only useful on filesystems + that does not order data writes properly). + +* "git commit-tree" plumbing can make Octopus with more than 16 parents. + "git commit" has been capable of this for quite some time. + +(usability, bells and whistles) + +* git-apply can handle a patch that touches the same path more than once + much better than before. + +* git-apply can be told not to trust the line counts recorded in the input + patch but recount, with the new --recount option. + +* git-archive can be told to omit certain paths from its output using + export-ignore attributes. + +* git-clone can clone from a remote whose URL would be rewritten by + configuration stored in $HOME/.gitconfig now. + +* git-diff --check now checks leftover merge conflict markers. + +* When remote side used to have branch 'foo' and git-fetch finds that now + it has branch 'foo/bar', it refuses to lose the existing remote tracking + branch and its reflog. The error message has been improved to suggest + pruning the remote if the user wants to proceed and get the latest set + of branches from the remote, including such 'foo/bar'. + +* fast-export learned to export and import marks file; this can be used to + interface with fast-import incrementally. + +* Original SHA-1 value for "update-ref -d" is optional now. + +* git-send-mail can talk not just over SSL but over TLS now. + +* You can tell "git status -u" to even more aggressively omit checking + untracked files with --untracked-files=no. + +* Error codes from gitweb are made more descriptive where possible, rather + than "403 forbidden" as we used to issue everywhere. + +(internal) + + +Fixes since v1.5.6 +------------------ + +All of the fixes in v1.5.6 maintenance series are included in +this release, unless otherwise noted. + + * diff -c/--cc showed unnecessary "deletion" lines at the context + boundary (needs backmerge to maint). + + * "git-clone <src> <dst>" did not create leading directories for <dst> + like the scripted version used to do (needs backport to maint). + +--- +exec >/var/tmp/1 +O=v1.5.6.1-155-gaa0c1f2 +echo O=$(git describe refs/heads/master) +git shortlog --no-merges $O..refs/heads/master ^refs/heads/maint diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 0e155c936c..b1164753e1 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -419,6 +419,11 @@ settings but I haven't tried, yet. mail.identity.default.compose_html => false mail.identity.id?.compose_html => false +(Lukas Sandström) + +There is a script in contrib/thunderbird-patch-inline which can help +you include patches with Thunderbird in an easy way. To use it, do the +steps above and then use the script as the external editor. Gnus ---- diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf index 10c1a151a4..40d43b78ee 100644 --- a/Documentation/asciidoc.conf +++ b/Documentation/asciidoc.conf @@ -8,6 +8,7 @@ # the command. [attributes] +asterisk=* plus=+ caret=^ startsb=[ diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt index c11bb7d36c..5428111d73 100644 --- a/Documentation/blame-options.txt +++ b/Documentation/blame-options.txt @@ -41,7 +41,8 @@ of lines before or after the line given by <start>. -S <revs-file>:: Use revs from revs-file instead of calling linkgit:git-rev-list[1]. --p, --porcelain:: +-p:: +--porcelain:: Show in a format designed for machine consumption. --incremental:: @@ -83,5 +84,6 @@ alphanumeric characters that git must detect as moving between files for it to associate those lines with the parent commit. --h, --help:: +-h:: +--help:: Show help message. diff --git a/Documentation/cat-texi.perl b/Documentation/cat-texi.perl index e3d8e9faa8..dbc133cd3c 100755 --- a/Documentation/cat-texi.perl +++ b/Documentation/cat-texi.perl @@ -11,7 +11,7 @@ while (<STDIN>) { if (s/^\@top (.*)/\@node $1,,,Top/) { push @menu, $1; } - s/\(\@pxref{\[URLS\]}\)//; + s/\(\@pxref{\[(URLS|REMOTES)\]}\)//; print TMP; } close TMP; diff --git a/Documentation/config.txt b/Documentation/config.txt index 217980f48d..a403d46c1b 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -63,7 +63,7 @@ The values following the equals sign in variable assign are all either a string, an integer, or a boolean. Boolean values may be given as yes/no, 0/1 or true/false. Case is not significant in boolean values, when converting value to the canonical form using '--bool' type specifier; -`git-config` will ensure that the output is "true" or "false". +'git-config' will ensure that the output is "true" or "false". String values may be entirely or partially enclosed in double quotes. You need to enclose variable value in double quotes if you want to @@ -118,8 +118,8 @@ core.fileMode:: See linkgit:git-update-index[1]. True by default. core.quotepath:: - The commands that output paths (e.g. `ls-files`, - `diff`), when not given the `-z` option, will quote + The commands that output paths (e.g. 'ls-files', + 'diff'), when not given the `-z` option, will quote "unusual" characters in the pathname by enclosing the pathname in a double-quote pair and with backslashes the same way strings in C source code are quoted. If this @@ -205,10 +205,13 @@ Can be overridden by the 'GIT_PROXY_COMMAND' environment variable handling). core.ignoreStat:: - The working copy files are assumed to stay unchanged until you - mark them otherwise manually - Git will not detect the file changes - by lstat() calls. This is useful on systems where those are very - slow, such as Microsoft Windows. See linkgit:git-update-index[1]. + If true, commands which modify both the working tree and the index + will mark the updated paths with the "assume unchanged" bit in the + index. These marked files are then assumed to stay unchanged in the + working copy, until you mark them otherwise manually - Git will not + detect the file changes by lstat() calls. This is useful on systems + where those are very slow, such as Microsoft Windows. + See linkgit:git-update-index[1]. False by default. core.preferSymlinkRefs:: @@ -353,8 +356,8 @@ core.pager:: core.whitespace:: A comma separated list of common whitespace problems to - notice. `git diff` will use `color.diff.whitespace` to - highlight them, and `git apply --whitespace=error` will + notice. 'git-diff' will use `color.diff.whitespace` to + highlight them, and 'git-apply --whitespace=error' will consider them as errors: + * `trailing-space` treats trailing whitespaces at the end of the line @@ -369,6 +372,14 @@ core.whitespace:: does not trigger if the character before such a carriage-return is not a whitespace (not enabled by default). +core.fsyncobjectfiles:: + This boolean will enable 'fsync()' when writing object files. ++ +This is a total waste of time and effort on a filesystem that orders +data writes properly, but can be useful for filesystems that do not use +journalling (traditional UNIX filesystems) or that only journal metadata +and not file contents (OS X's HFS+, or Linux ext3 with "data=writeback"). + alias.*:: Command aliases for the linkgit:git[1] command wrapper - e.g. after defining "alias.last = cat-file commit HEAD", the invocation @@ -385,11 +396,11 @@ it will be treated as a shell command. For example, defining "gitk --all --not ORIG_HEAD". apply.whitespace:: - Tells `git-apply` how to handle whitespaces, in the same way + Tells 'git-apply' how to handle whitespaces, in the same way as the '--whitespace' option. See linkgit:git-apply[1]. branch.autosetupmerge:: - Tells `git-branch` and `git-checkout` to setup new branches + Tells 'git-branch' and 'git-checkout' to setup new branches so that linkgit:git-pull[1] will appropriately merge from the starting point branch. Note that even if this option is not set, this behavior can be chosen per-branch using the `--track` @@ -400,7 +411,7 @@ branch.autosetupmerge:: branch. This option defaults to true. branch.autosetuprebase:: - When a new branch is created with `git-branch` or `git-checkout` + When a new branch is created with 'git-branch' or 'git-checkout' that tracks another branch, this variable tells git to set up pull to rebase instead of merge (see "branch.<name>.rebase"). When `never`, rebase is never automatically set to true. @@ -415,20 +426,20 @@ branch.autosetuprebase:: This option defaults to never. branch.<name>.remote:: - When in branch <name>, it tells `git fetch` which remote to fetch. - If this option is not given, `git fetch` defaults to remote "origin". + When in branch <name>, it tells 'git-fetch' which remote to fetch. + If this option is not given, 'git-fetch' defaults to remote "origin". branch.<name>.merge:: - When in branch <name>, it tells `git fetch` the default + When in branch <name>, it tells 'git-fetch' the default refspec to be marked for merging in FETCH_HEAD. The value is handled like the remote part of a refspec, and must match a ref which is fetched from the remote given by "branch.<name>.remote". - The merge information is used by `git pull` (which at first calls - `git fetch`) to lookup the default branch for merging. Without - this option, `git pull` defaults to merge the first refspec fetched. + The merge information is used by 'git-pull' (which at first calls + 'git-fetch') to lookup the default branch for merging. Without + this option, 'git-pull' defaults to merge the first refspec fetched. Specify multiple values to get an octopus merge. - If you wish to setup `git pull` so that it merges into <name> from + If you wish to setup 'git-pull' so that it merges into <name> from another branch in the local repository, you can point branch.<name>.merge to the desired branch, and use the special setting `.` (a period) for branch.<name>.remote. @@ -497,12 +508,12 @@ color.diff.<slot>:: color.interactive:: When set to `always`, always use colors for interactive prompts - and displays (such as those used by "git add --interactive"). + and displays (such as those used by "git-add --interactive"). When false (or `never`), never. When set to `true` or `auto`, use colors only when the output is to the terminal. Defaults to false. color.interactive.<slot>:: - Use customized color for `git add --interactive` + Use customized color for 'git-add --interactive' output. `<slot>` may be `prompt`, `header`, or `help`, for three distinct types of normal output from interactive programs. The values of these variables may be specified as @@ -523,8 +534,10 @@ color.status.<slot>:: one of `header` (the header text of the status message), `added` or `updated` (files which are added but not committed), `changed` (files which are changed but not added in the index), - or `untracked` (files which are not tracked by git). The values of - these variables may be specified as in color.branch.<slot>. + `untracked` (files which are not tracked by git), or + `nobranch` (the color the 'no branch' warning is shown in, defaulting + to red). The values of these variables may be specified as in + color.branch.<slot>. commit.template:: Specify a file to use as the template for new commit messages. @@ -537,14 +550,14 @@ color.ui:: take precedence over this setting. Defaults to false. diff.autorefreshindex:: - When using `git diff` to compare with work tree + When using 'git-diff' to compare with work tree files, do not consider stat-only change as changed. Instead, silently run `git update-index --refresh` to update the cached stat information for paths whose contents in the work tree match the contents in the index. This option defaults to true. Note that this - affects only `git diff` Porcelain, and not lower level - `diff` commands, such as `git diff-files`. + affects only 'git-diff' Porcelain, and not lower level + 'diff' commands, such as 'git-diff-files'. diff.external:: If this config variable is set, diff generation is not @@ -555,7 +568,7 @@ diff.external:: diff.renameLimit:: The number of files to consider when performing the copy/rename - detection; equivalent to the git diff option '-l'. + detection; equivalent to the 'git-diff' option '-l'. diff.renames:: Tells git to detect renames. If set to any boolean value, it @@ -595,7 +608,7 @@ format.pretty:: gc.aggressiveWindow:: The window size parameter used in the delta compression - algorithm used by 'git gc --aggressive'. This defaults + algorithm used by 'git-gc --aggressive'. This defaults to 10. gc.auto:: @@ -612,37 +625,37 @@ gc.autopacklimit:: default value is 50. Setting this to 0 disables it. gc.packrefs:: - `git gc` does not run `git pack-refs` in a bare repository by + 'git-gc' does not run `git pack-refs` in a bare repository by default so that older dumb-transport clients can still fetch - from the repository. Setting this to `true` lets `git - gc` to run `git pack-refs`. Setting this to `false` tells - `git gc` never to run `git pack-refs`. The default setting is + from the repository. Setting this to `true` lets 'git-gc' + to run `git pack-refs`. Setting this to `false` tells + 'git-gc' never to run `git pack-refs`. The default setting is `notbare`. Enable it only when you know you do not have to support such clients. The default setting will change to `true` at some stage, and setting this to `false` will continue to - prevent `git pack-refs` from being run from `git gc`. + prevent `git pack-refs` from being run from 'git-gc'. gc.pruneexpire:: - When `git gc` is run, it will call `prune --expire 2.weeks.ago`. + When 'git-gc' is run, it will call 'prune --expire 2.weeks.ago'. Override the grace period with this config variable. gc.reflogexpire:: - `git reflog expire` removes reflog entries older than + 'git-reflog expire' removes reflog entries older than this time; defaults to 90 days. gc.reflogexpireunreachable:: - `git reflog expire` removes reflog entries older than + 'git-reflog expire' removes reflog entries older than this time and are not reachable from the current tip; defaults to 30 days. gc.rerereresolved:: Records of conflicted merge you resolved earlier are - kept for this many days when `git rerere gc` is run. + kept for this many days when 'git-rerere gc' is run. The default is 60 days. See linkgit:git-rerere[1]. gc.rerereunresolved:: Records of conflicted merge you have not resolved are - kept for this many days when `git rerere gc` is run. + kept for this many days when 'git-rerere gc' is run. The default is 15 days. See linkgit:git-rerere[1]. rerere.enabled:: @@ -660,11 +673,24 @@ gitcvs.logfile:: Path to a log file where the CVS server interface well... logs various stuff. See linkgit:git-cvsserver[1]. +gitcvs.usecrlfattr + If true, the server will look up the `crlf` attribute for + files to determine the '-k' modes to use. If `crlf` is set, + the '-k' mode will be left blank, so cvs clients will + treat it as text. If `crlf` is explicitly unset, the file + will be set with '-kb' mode, which supresses any newline munging + the client might otherwise do. If `crlf` is not specified, + then 'gitcvs.allbinary' is used. See linkgit:gitattribute[5]. + gitcvs.allbinary:: - If true, all files are sent to the client in mode '-kb'. This - causes the client to treat all files as binary files which suppresses - any newline munging it otherwise might do. A work-around for the - fact that there is no way yet to set single files to mode '-kb'. + This is used if 'gitcvs.usecrlfattr' does not resolve + the correct '-kb' mode to use. If true, all + unresolved files are sent to the client in + mode '-kb'. This causes the client to treat them + as binary files, which suppresses any newline munging it + otherwise might do. Alternatively, if it is set to "guess", + then the contents of the file are examined to decide if + it is binary, similar to 'core.autocrlf'. gitcvs.dbname:: Database used by git-cvsserver to cache revision information @@ -695,8 +721,9 @@ gitcvs.dbTableNamePrefix:: linkgit:git-cvsserver[1] for details). Any non-alphabetic characters will be replaced with underscores. -All gitcvs variables except for 'gitcvs.allbinary' can also be -specified as 'gitcvs.<access_method>.<varname>' (where 'access_method' +All gitcvs variables except for 'gitcvs.usecrlfattr' and +'gitcvs.allbinary' can also be specified as +'gitcvs.<access_method>.<varname>' (where 'access_method' is one of "ext" and "pserver") to make them apply only for the given access method. @@ -794,7 +821,7 @@ i18n.commitEncoding:: i18n.logOutputEncoding:: Character encoding the commit messages are converted to when - running `git-log` and friends. + running 'git-log' and friends. instaweb.browser:: Specify the program that will be used to browse your working @@ -815,6 +842,12 @@ instaweb.port:: The port number to bind the gitweb httpd to. See linkgit:git-instaweb[1]. +log.date:: + Set default date-time mode for the log command. Setting log.date + value is similar to using 'git-log'\'s --date option. The value is one of the + following alternatives: {relative,local,default,iso,rfc,short}. + See linkgit:git-log[1]. + log.showroot:: If true, the initial commit will be shown as a big creation event. This is equivalent to a diff against an empty tree. @@ -912,9 +945,17 @@ pack.indexVersion:: legacy pack index used by Git versions prior to 1.5.2, and 2 for the new pack index with capabilities for packs larger than 4 GB as well as proper protection against the repacking of corrupted - packs. Version 2 is selected and this config option ignored - whenever the corresponding pack is larger than 2 GB. Otherwise - the default is 1. + packs. Version 2 is the default. Note that version 2 is enforced + and this config option ignored whenever the corresponding pack is + larger than 2 GB. ++ +If you have an old git that does not understand the version 2 `{asterisk}.idx` file, +cloning or fetching over a non native protocol (e.g. "http" and "rsync") +that will copy both `{asterisk}.pack` file and corresponding `{asterisk}.idx` file from the +other side may give you a repository that cannot be accessed with your +older version of git. If the `{asterisk}.pack` file is smaller than 2 GB, however, +you can use linkgit:git-index-pack[1] on the *.pack file to regenerate +the `{asterisk}.idx` file. pack.packSizeLimit:: The default maximum size of a pack. This setting only affects @@ -971,12 +1012,12 @@ remotes.<group>:: <group>". See linkgit:git-remote[1]. repack.usedeltabaseoffset:: - Allow linkgit:git-repack[1] to create packs that uses - delta-base offset. Defaults to false. - -show.difftree:: - The default linkgit:git-diff-tree[1] arguments to be used - for linkgit:git-show[1]. + By default, linkgit:git-repack[1] creates packs that use + delta-base offset. If you need to share your repository with + git older than version 1.4.4, either directly or via a dumb + protocol such as http, then you need to set this option to + "false" and repack. Access from old git versions over the + native protocol are unaffected by this option. showbranch.default:: The default set of branches for linkgit:git-show-branch[1]. @@ -988,6 +1029,25 @@ status.relativePaths:: relative to the repository root (this was the default for git prior to v1.5.4). +status.showUntrackedFiles:: + By default, linkgit:git-status[1] and linkgit:git-commit[1] show + files which are not currently tracked by Git. Directories which + contain only untracked files, are shown with the directory name + only. Showing untracked files means that Git needs to lstat() all + all the files in the whole repository, which might be slow on some + systems. So, this variable controls how the commands displays + the untracked files. Possible values are: ++ +-- + - 'no' - Show no untracked files + - 'normal' - Shows untracked files and directories + - 'all' - Shows also individual files in untracked directories. +-- ++ +If this variable is not specified, it defaults to 'normal'. +This variable can be overridden with the -u|--untracked-files option +of linkgit:git-status[1] and linkgit:git-commit[1]. + tar.umask:: This variable can be used to restrict the permission bits of tar archive entries. The default is 0002, which turns off the @@ -1023,10 +1083,6 @@ user.signingkey:: unchanged to gpg's --local-user parameter, so you may specify a key using any method that gpg supports. -whatchanged.difftree:: - The default linkgit:git-diff-tree[1] arguments to be used - for linkgit:git-whatchanged[1]. - imap:: The configuration variables in the 'imap' section are described in linkgit:git-imap-send[1]. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 13234fa280..cba90fd27c 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -228,6 +228,9 @@ endif::git-format-patch[] --no-ext-diff:: Disallow external diff drivers. +--ignore-submodules:: + Ignore changes to submodules in the diff generation. + --src-prefix=<prefix>:: Show the given source prefix instead of "a/". @@ -238,4 +241,4 @@ endif::git-format-patch[] Do not show any source or destination prefix. For more detailed explanation on these common options, see also -link:diffcore.html[diffcore documentation]. +linkgit:gitdiffcore[7]. diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index b675911480..d313795fdb 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -1,39 +1,45 @@ --q, \--quiet:: +-q:: +--quiet:: Pass --quiet to git-fetch-pack and silence any other internally used programs. --v, \--verbose:: +-v:: +--verbose:: Be verbose. --a, \--append:: +-a:: +--append:: Append ref names and object names of fetched refs to the existing contents of `.git/FETCH_HEAD`. Without this option old data in `.git/FETCH_HEAD` will be overwritten. -\--upload-pack <upload-pack>:: +--upload-pack <upload-pack>:: When given, and the repository to fetch from is handled by 'git-fetch-pack', '--exec=<upload-pack>' is passed to the command to specify non-default path for the command run on the other end. --f, \--force:: - When `git-fetch` is used with `<rbranch>:<lbranch>` +-f:: +--force:: + When 'git-fetch' is used with `<rbranch>:<lbranch>` refspec, it refuses to update the local branch `<lbranch>` unless the remote branch `<rbranch>` it fetches is a descendant of `<lbranch>`. This option overrides that check. ifdef::git-pull[] -\--no-tags:: +--no-tags:: endif::git-pull[] ifndef::git-pull[] --n, \--no-tags:: +-n:: +--no-tags:: endif::git-pull[] By default, tags that point at objects that are downloaded from the remote repository are fetched and stored locally. This option disables this automatic tag following. --t, \--tags:: +-t:: +--tags:: Most of the tags are fetched automatically as branch heads are downloaded, but tags that do not point at objects reachable from the branch heads that are being @@ -41,18 +47,20 @@ endif::git-pull[] flag lets all tags and their associated objects be downloaded. --k, \--keep:: +-k:: +--keep:: Keep downloaded pack. --u, \--update-head-ok:: - By default `git-fetch` refuses to update the head which +-u:: +--update-head-ok:: + By default 'git-fetch' refuses to update the head which corresponds to the current branch. This flag disables the - check. This is purely for the internal use for `git-pull` - to communicate with `git-fetch`, and unless you are + check. This is purely for the internal use for 'git-pull' + to communicate with 'git-fetch', and unless you are implementing your own Porcelain you are not supposed to use it. -\--depth=<depth>:: +--depth=<depth>:: Deepen the history of a 'shallow' repository created by `git clone` with `--depth=<depth>` option (see linkgit:git-clone[1]) by the specified number of commits. diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt index e0e730b6c4..011a743652 100644 --- a/Documentation/git-add.txt +++ b/Documentation/git-add.txt @@ -8,8 +8,9 @@ git-add - Add file contents to the index SYNOPSIS -------- [verse] -'git-add' [-n] [-v] [-f] [--interactive | -i] [--patch | -p] [-u] [--refresh] - [--] <filepattern>... +'git add' [-n] [-v] [--force | -f] [--interactive | -i] [--patch | -p] + [--update | -u] [--refresh] [--ignore-errors] [--] + <filepattern>... DESCRIPTION ----------- @@ -50,27 +51,33 @@ OPTIONS and `dir/file2`) can be given to add all files in the directory, recursively. --n, \--dry-run:: +-n:: +--dry-run:: Don't actually add the file(s), just show if they exist. --v, \--verbose:: +-v:: +--verbose:: Be verbose. -f:: +--force:: Allow adding otherwise ignored files. --i, \--interactive:: +-i:: +--interactive:: Add modified contents in the working tree interactively to the index. Optional path arguments may be supplied to limit operation to a subset of the working tree. See ``Interactive mode'' for details. --p, \--patch:: +-p:: +--patch:: Similar to Interactive mode but the initial command loop is bypassed and the 'patch' subcommand is invoked using each of the specified filepatterns before exiting. -u:: +--update:: Update only files that git already knows about, staging modified content for commit and marking deleted files for removal. This is similar @@ -79,10 +86,15 @@ OPTIONS command line. If no paths are specified, all tracked files in the current directory and its subdirectories are updated. -\--refresh:: +--refresh:: Don't add the file(s), but only refresh their stat() information in the index. +--ignore-errors:: + If some files could not be added because of errors indexing + them, do not abort the operation, but continue adding the + others. The command shall still exit with non-zero status. + \--:: This option can be used to separate command-line options from the list of files, (useful when filenames might be mistaken @@ -95,7 +107,7 @@ Configuration The optional configuration variable 'core.excludesfile' indicates a path to a file containing patterns of file names to exclude from git-add, similar to $GIT_DIR/info/exclude. Patterns in the exclude file are used in addition to -those in info/exclude. See link:repository-layout.html[repository layout]. +those in info/exclude. See linkgit:gitrepository-layout[5]. EXAMPLES @@ -241,7 +253,7 @@ characters that need C-quoting. `core.quotepath` configuration can be used to work this limitation around to some degree, but backslash, double-quote and control characters will still have problems. -See Also +SEE ALSO -------- linkgit:git-status[1] linkgit:git-rm[1] @@ -260,4 +272,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt index 2387a8d6c2..3863eebcef 100644 --- a/Documentation/git-am.txt +++ b/Documentation/git-am.txt @@ -9,11 +9,11 @@ git-am - Apply a series of patches from a mailbox SYNOPSIS -------- [verse] -'git-am' [--signoff] [--keep] [--utf8 | --no-utf8] +'git am' [--signoff] [--keep] [--utf8 | --no-utf8] [--3way] [--interactive] [--binary] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>|<Maildir>... -'git-am' [--skip | --resolved] +'git am' [--skip | --resolved] DESCRIPTION ----------- @@ -28,15 +28,18 @@ OPTIONS supply this argument, reads from the standard input. If you supply directories, they'll be treated as Maildirs. --s, --signoff:: +-s:: +--signoff:: Add `Signed-off-by:` line to the commit message, using the committer identity of yourself. --k, --keep:: - Pass `-k` flag to `git-mailinfo` (see linkgit:git-mailinfo[1]). +-k:: +--keep:: + Pass `-k` flag to 'git-mailinfo' (see linkgit:git-mailinfo[1]). --u, --utf8:: - Pass `-u` flag to `git-mailinfo` (see linkgit:git-mailinfo[1]). +-u:: +--utf8:: + Pass `-u` flag to 'git-mailinfo' (see linkgit:git-mailinfo[1]). The proposed commit log message taken from the e-mail is re-coded into UTF-8 encoding (configuration variable `i18n.commitencoding` can be used to specify project's @@ -46,37 +49,42 @@ This was optional in prior versions of git, but now it is the default. You could use `--no-utf8` to override this. --no-utf8:: - Pass `-n` flag to `git-mailinfo` (see + Pass `-n` flag to 'git-mailinfo' (see linkgit:git-mailinfo[1]). --3, --3way:: +-3:: +--3way:: When the patch does not apply cleanly, fall back on 3-way merge, if the patch records the identity of blobs it is supposed to apply to, and we have those blobs available locally. --b, --binary:: - Pass `--allow-binary-replacement` flag to `git-apply` +-b:: +--binary:: + Pass `--allow-binary-replacement` flag to 'git-apply' (see linkgit:git-apply[1]). --whitespace=<option>:: - This flag is passed to the `git-apply` (see linkgit:git-apply[1]) + This flag is passed to the 'git-apply' (see linkgit:git-apply[1]) program that applies the patch. --C<n>, -p<n>:: - These flags are passed to the `git-apply` (see linkgit:git-apply[1]) +-C<n>:: +-p<n>:: + These flags are passed to the 'git-apply' (see linkgit:git-apply[1]) program that applies the patch. --i, --interactive:: +-i:: +--interactive:: Run interactively. --skip:: Skip the current patch. This is only meaningful when restarting an aborted patch. --r, --resolved:: +-r:: +--resolved:: After a patch failure (e.g. attempting to apply conflicting patch), the user has applied it by hand and the index file stores the result of the application. @@ -89,7 +97,7 @@ default. You could use `--no-utf8` to override this. to the screen before exiting. This overrides the standard message informing you to use `--resolved` or `--skip` to handle the failure. This is solely - for internal use between `git-rebase` and `git-am`. + for internal use between 'git-rebase' and 'git-am'. DISCUSSION ---------- @@ -153,4 +161,4 @@ Documentation by Petr Baudis, Junio C Hamano and the git-list <git@vger.kernel.o GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-annotate.txt b/Documentation/git-annotate.txt index 45a6a7251e..8b6b56a544 100644 --- a/Documentation/git-annotate.txt +++ b/Documentation/git-annotate.txt @@ -7,7 +7,7 @@ git-annotate - Annotate file lines with commit info SYNOPSIS -------- -git-annotate [options] file [revision] +'git annotate' [options] file [revision] DESCRIPTION ----------- @@ -28,4 +28,4 @@ Written by Ryan Anderson <ryan@michonline.com>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-apply.txt b/Documentation/git-apply.txt index 2dec2ec1cf..e9f724b2fa 100644 --- a/Documentation/git-apply.txt +++ b/Documentation/git-apply.txt @@ -9,16 +9,16 @@ git-apply - Apply a patch on a git index file and a working tree SYNOPSIS -------- [verse] -'git-apply' [--stat] [--numstat] [--summary] [--check] [--index] +'git apply' [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--build-fake-ancestor <file>] [-R | --reverse] [--allow-binary-replacement | --binary] [--reject] [-z] - [-pNUM] [-CNUM] [--inaccurate-eof] [--cached] + [-pNUM] [-CNUM] [--inaccurate-eof] [--recount] [--cached] [--whitespace=<nowarn|warn|fix|error|error-all>] [--exclude=PATH] [--verbose] [<patch>...] DESCRIPTION ----------- -Reads supplied diff output and applies it on a git index file +Reads supplied 'diff' output and applies it on a git index file and a work tree. OPTIONS @@ -64,7 +64,7 @@ OPTIONS without using the working tree. This implies '--index'. --build-fake-ancestor <file>:: - Newer git-diff output has embedded 'index information' + Newer 'git-diff' output has embedded 'index information' for each blob to help identify the original version that the patch applies to. When this flag is given, and if the original versions of the blobs is available locally, @@ -73,11 +73,12 @@ OPTIONS When a pure mode change is encountered (which has no index information), the information is read from the current index instead. --R, --reverse:: +-R:: +--reverse:: Apply the patch in reverse. --reject:: - For atomicity, linkgit:git-apply[1] by default fails the whole patch and + For atomicity, 'git-apply' by default fails the whole patch and does not touch the working tree when some of the hunks do not apply. This option makes it apply the parts of the patch that are applicable, and leave the @@ -101,7 +102,7 @@ the information is read from the current index instead. ever ignored. --unidiff-zero:: - By default, linkgit:git-apply[1] expects that the patch being + By default, 'git-apply' expects that the patch being applied is a unified diff with at least one line of context. This provides good safety measures, but breaks down when applying a diff generated with --unified=0. To bypass these @@ -112,7 +113,7 @@ discouraged. --apply:: If you use any of the options marked "Turns off - 'apply'" above, linkgit:git-apply[1] reads and outputs the + 'apply'" above, 'git-apply' reads and outputs the information you asked without actually applying the patch. Give this flag after those flags to also apply the patch. @@ -120,11 +121,12 @@ discouraged. --no-add:: When applying a patch, ignore additions made by the patch. This can be used to extract the common part between - two files by first running `diff` on them and applying + two files by first running 'diff' on them and applying the result with this option, which would apply the deletion part but not addition part. ---allow-binary-replacement, --binary:: +--allow-binary-replacement:: +--binary:: Historically we did not allow binary patch applied without an explicit permission from the user, and this flag was the way to do so. Currently we always allow binary @@ -145,7 +147,7 @@ discouraged. considered whitespace errors. + By default, the command outputs warning messages but applies the patch. -When linkgit:git-apply[1] is used for statistics and not applying a +When `git-apply is used for statistics and not applying a patch, it defaults to `nowarn`. + You can use different `<action>` to control this @@ -163,17 +165,23 @@ behavior: * `error-all` is similar to `error` but shows all errors. --inaccurate-eof:: - Under certain circumstances, some versions of diff do not correctly + Under certain circumstances, some versions of 'diff' do not correctly detect a missing new-line at the end of the file. As a result, patches - created by such diff programs do not record incomplete lines + created by such 'diff' programs do not record incomplete lines correctly. This option adds support for applying such patches by working around this bug. --v, --verbose:: +-v:: +--verbose:: Report progress to stderr. By default, only a message about the current patch being applied will be printed. This option will cause additional information to be reported. +--recount:: + Do not trust the line counts in the hunk headers, but infer them + by inspecting the patch (e.g. after editing the patch without + adjusting the hunk headers appropriately). + Configuration ------------- @@ -183,7 +191,7 @@ apply.whitespace:: Submodules ---------- -If the patch contains any changes to submodules then linkgit:git-apply[1] +If the patch contains any changes to submodules then 'git-apply' treats these changes as follows. If --index is specified (explicitly or implicitly), then the submodule @@ -206,4 +214,4 @@ Documentation by Junio C Hamano GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-archimport.txt b/Documentation/git-archimport.txt index bd20fd8206..c7a6e3ec05 100644 --- a/Documentation/git-archimport.txt +++ b/Documentation/git-archimport.txt @@ -9,7 +9,7 @@ git-archimport - Import an Arch repository into git SYNOPSIS -------- [verse] -'git-archimport' [-h] [-v] [-o] [-a] [-f] [-T] [-D depth] [-t tempdir] +'git archimport' [-h] [-v] [-o] [-a] [-f] [-T] [-D depth] [-t tempdir] <archive/branch>[:<git-branch>] ... DESCRIPTION @@ -29,17 +29,17 @@ branches that have different roots, it will refuse to run. In that case, edit your <archive/branch> parameters to define clearly the scope of the import. -`git-archimport` uses `tla` extensively in the background to access the +'git-archimport' uses `tla` extensively in the background to access the Arch repository. Make sure you have a recent version of `tla` available in the path. `tla` must -know about the repositories you pass to `git-archimport`. +know about the repositories you pass to 'git-archimport'. -For the initial import `git-archimport` expects to find itself in an empty +For the initial import, 'git-archimport' expects to find itself in an empty directory. To follow the development of a project that uses Arch, rerun -`git-archimport` with the same parameters as the initial import to perform +'git-archimport' with the same parameters as the initial import to perform incremental imports. -While git-archimport will try to create sensible branch names for the +While 'git-archimport' will try to create sensible branch names for the archives that it imports, it is also possible to specify git branch names manually. To do so, write a git branch name after each <archive/branch> parameter, separated by a colon. This way, you can shorten the Arch @@ -84,7 +84,7 @@ OPTIONS -o:: Use this for compatibility with old-style branch names used by - earlier versions of git-archimport. Old-style branch names + earlier versions of 'git-archimport'. Old-style branch names were category--branch, whereas new-style branch names are archive,category--branch--version. In both cases, names given on the command-line will override the automatically-generated @@ -117,4 +117,4 @@ Documentation by Junio C Hamano, Martin Langhoff and the git-list <git@vger.kern GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-archive.txt b/Documentation/git-archive.txt index d3eaa16af1..41cbf9c081 100644 --- a/Documentation/git-archive.txt +++ b/Documentation/git-archive.txt @@ -9,7 +9,7 @@ git-archive - Create an archive of files from a named tree SYNOPSIS -------- [verse] -'git-archive' --format=<fmt> [--list] [--prefix=<prefix>/] [<extra>] +'git archive' --format=<fmt> [--list] [--prefix=<prefix>/] [<extra>] [--remote=<repo> [--exec=<git-upload-archive>]] <tree-ish> [path...] @@ -36,10 +36,12 @@ OPTIONS Format of the resulting archive: 'tar' or 'zip'. The default is 'tar'. ---list, -l:: +-l:: +--list:: Show all available formats. ---verbose, -v:: +-v:: +--verbose:: Report progress to stderr. --prefix=<prefix>/:: @@ -55,7 +57,7 @@ OPTIONS --exec=<git-upload-archive>:: Used with --remote to specify the path to the - git-upload-archive executable on the remote side. + 'git-upload-archive' on the remote side. <tree-ish>:: The tree or commit to produce an archive for. @@ -118,4 +120,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 0b8b0ebba7..c7981efcd9 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -26,7 +26,7 @@ on the subcommand: git bisect log git bisect run <cmd>... -This command uses 'git-rev-list --bisect' option to help drive the +This command uses 'git-rev-list --bisect' to help drive the binary search process to find which change introduced a bug, given an old "good" commit object name and a later "bad" commit object name. @@ -85,10 +85,9 @@ Oh, and then after you want to reset to the original head, do a $ git bisect reset ------------------------------------------------ -to get back to the original branch, instead of being in one of the -bisection branches ("git bisect start" will do that for you too, -actually: it will reset the bisection state, and before it does that -it checks that you're not using some old bisection branch). +to get back to the original branch, instead of being on the bisection +commit ("git bisect start" will do that for you too, actually: it will +reset the bisection state). Bisect visualize ~~~~~~~~~~~~~~~~ @@ -99,10 +98,10 @@ During the bisection process, you can say $ git bisect visualize ------------ -to see the currently remaining suspects in `gitk`. `visualize` is a bit +to see the currently remaining suspects in 'gitk'. `visualize` is a bit too long to type and `view` is provided as a synonym. -If `DISPLAY` environment variable is not set, `git log` is used +If 'DISPLAY' environment variable is not set, 'git-log' is used instead. You can even give command line options such as `-p` and `--stat`. @@ -216,13 +215,13 @@ tweaks (e.g., s/#define DEBUG 0/#define DEBUG 1/ in a header file, or work around other problem this bisection is not interested in") applied to the revision being tested. -To cope with such a situation, after the inner git-bisect finds the +To cope with such a situation, after the inner 'git-bisect' finds the next revision to test, with the "run" script, you can apply that tweak before compiling, run the real test, and after the test decides if the revision (possibly with the needed tweaks) passed the test, rewind the tree to the pristine state. Finally the "run" script can exit with -the status of the real test to let "git bisect run" command loop to -know the outcome. +the status of the real test to let the "git bisect run" command loop to +determine the outcome. EXAMPLES -------- @@ -283,4 +282,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-blame.txt b/Documentation/git-blame.txt index 14163b65f9..34b24a3cad 100644 --- a/Documentation/git-blame.txt +++ b/Documentation/git-blame.txt @@ -8,7 +8,7 @@ git-blame - Show what revision and author last modified each line of a file SYNOPSIS -------- [verse] -'git-blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-p] [-w] [--incremental] [-L n,m] +'git blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-p] [-w] [--incremental] [-L n,m] [-S <revs-file>] [-M] [-C] [-C] [--since=<date>] [<rev> | --contents <file>] [--] <file> @@ -21,7 +21,7 @@ last modified the line. Optionally, start annotating from the given revision. Also it can limit the range of lines annotated. This report doesn't tell you anything about lines which have been deleted or -replaced; you need to use a tool such as linkgit:git-diff[1] or the "pickaxe" +replaced; you need to use a tool such as 'git-diff' or the "pickaxe" interface briefly mentioned in the following paragraph. Apart from supporting file annotation, git also supports searching the @@ -49,15 +49,17 @@ include::blame-options.txt[] file (see `-M`). The first number listed is the score. This is the number of alphanumeric characters detected to be moved between or within files. This must be above - a certain threshold for git-blame to consider those lines + a certain threshold for 'git-blame' to consider those lines of code to have been moved. --f, --show-name:: +-f:: +--show-name:: Show filename in the original commit. By default filename is shown if there is any line that came from a file with different name, due to rename detection. --n, --show-number:: +-n:: +--show-number:: Show line number in the original commit (Default: off). -s:: @@ -98,7 +100,7 @@ header elements later. SPECIFYING RANGES ----------------- -Unlike `git-blame` and `git-annotate` in older git, the extent +Unlike 'git-blame' and 'git-annotate' in older git, the extent of annotation can be limited to both line ranges and revision ranges. When you are interested in finding the origin for ll. 40-60 for file `foo`, you can use `-L` option like these @@ -116,7 +118,7 @@ would limit the annotation to the body of `hello` subroutine. When you are not interested in changes older than the version v2.6.18, or changes older than 3 weeks, you can use revision -range specifiers similar to `git-rev-list`: +range specifiers similar to 'git-rev-list': git blame v2.6.18.. -- foo git blame --since=3.weeks -- foo @@ -192,4 +194,4 @@ Written by Junio C Hamano <junkio@cox.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index c824d88742..b3e62ed011 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -8,12 +8,12 @@ git-branch - List, create, or delete branches SYNOPSIS -------- [verse] -'git-branch' [--color | --no-color] [-r | -a] [--merged | --no-merged] +'git branch' [--color | --no-color] [-r | -a] [--merged | --no-merged] [-v [--abbrev=<length> | --no-abbrev]] [--contains <commit>] -'git-branch' [--track | --no-track] [-l] [-f] <branchname> [<start-point>] -'git-branch' (-m | -M) [<oldbranch>] <newbranch> -'git-branch' (-d | -D) [-r] <branchname>... +'git branch' [--track | --no-track] [-l] [-f] <branchname> [<start-point>] +'git branch' (-m | -M) [<oldbranch>] <newbranch> +'git branch' (-d | -D) [-r] <branchname>... DESCRIPTION ----------- @@ -37,7 +37,7 @@ working tree to it; use "git checkout <newbranch>" to switch to the new branch. When a local branch is started off a remote branch, git sets up the -branch so that linkgit:git-pull[1] will appropriately merge from +branch so that 'git-pull' will appropriately merge from the remote branch. This behavior may be changed via the global `branch.autosetupmerge` configuration flag. That setting can be overridden by using the `--track` and `--no-track` options. @@ -54,7 +54,7 @@ has a reflog then the reflog will also be deleted. Use -r together with -d to delete remote-tracking branches. Note, that it only makes sense to delete remote-tracking branches if they no longer exist -in remote repository or if linkgit:git-fetch[1] was configured not to fetch +in remote repository or if 'git-fetch' was configured not to fetch them again. See also 'prune' subcommand of linkgit:git-remote[1] for way to clean up all obsolete remote-tracking branches. @@ -95,7 +95,8 @@ OPTIONS -a:: List both remote-tracking branches and local branches. --v, --verbose:: +-v:: +--verbose:: Show sha1 and commit subject line for each head. --abbrev=<length>:: @@ -106,14 +107,14 @@ OPTIONS Display the full sha1s in output listing rather than abbreviating them. --track:: - When creating a new branch, set up configuration so that git-pull + When creating a new branch, set up configuration so that 'git-pull' will automatically retrieve data from the start point, which must be a branch. Use this if you always pull from the same upstream branch into the new branch, and if you don't want to use "git pull <repository> <refspec>" explicitly. This behavior is the default when the start point is a remote branch. Set the branch.autosetupmerge configuration variable to `false` if you want - git-checkout and git-branch to always behave as if '--no-track' were + 'git-checkout' and 'git-branch' to always behave as if '--no-track' were given. Set it to `always` if you want this behavior when the start-point is either a local or remote branch. @@ -209,4 +210,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-bundle.txt b/Documentation/git-bundle.txt index 505ac056e6..1b66ab743c 100644 --- a/Documentation/git-bundle.txt +++ b/Documentation/git-bundle.txt @@ -9,10 +9,10 @@ git-bundle - Move objects and refs by archive SYNOPSIS -------- [verse] -'git-bundle' create <file> [git-rev-list args] -'git-bundle' verify <file> -'git-bundle' list-heads <file> [refname...] -'git-bundle' unbundle <file> [refname...] +'git bundle' create <file> <git-rev-list args> +'git bundle' verify <file> +'git bundle' list-heads <file> [refname...] +'git bundle' unbundle <file> [refname...] DESCRIPTION ----------- @@ -21,9 +21,9 @@ Some workflows require that one or more branches of development on one machine be replicated on another machine, but the two machines cannot be directly connected so the interactive git protocols (git, ssh, rsync, http) cannot be used. This command provides support for -git-fetch and git-pull to operate by packaging objects and references +'git-fetch' and 'git-pull' to operate by packaging objects and references in an archive at the originating machine, then importing those into -another repository using linkgit:git-fetch[1] and linkgit:git-pull[1] +another repository using 'git-fetch' and 'git-pull' after moving the archive by some means (i.e., by sneakernet). As no direct connection between repositories exists, the user must specify a basis for the bundle that is held by the destination repository: the @@ -35,14 +35,14 @@ OPTIONS create <file>:: Used to create a bundle named 'file'. This requires the - git-rev-list arguments to define the bundle contents. + 'git-rev-list' arguments to define the bundle contents. verify <file>:: Used to check that a bundle file is valid and will apply cleanly to the current repository. This includes checks on the bundle format itself as well as checking that the prerequisite commits exist and are fully linked in the current repository. - git-bundle prints a list of missing commits, if any, and exits + 'git-bundle' prints a list of missing commits, if any, and exits with non-zero status. list-heads <file>:: @@ -51,16 +51,15 @@ list-heads <file>:: printed out. unbundle <file>:: - Passes the objects in the bundle to linkgit:git-index-pack[1] + Passes the objects in the bundle to 'git-index-pack' for storage in the repository, then prints the names of all defined references. If a reflist is given, only references matching those in the given list are printed. This command is - really plumbing, intended to be called only by - linkgit:git-fetch[1]. + really plumbing, intended to be called only by 'git-fetch'. [git-rev-list-args...]:: - A list of arguments, acceptable to git-rev-parse and - git-rev-list, that specify the specific objects and references + A list of arguments, acceptable to 'git-rev-parse' and + 'git-rev-list', that specify the specific objects and references to transport. For example, "master~10..master" causes the current master reference to be packaged along with all objects added since its 10th ancestor commit. There is no explicit @@ -70,16 +69,16 @@ unbundle <file>:: [refname...]:: A list of references used to limit the references reported as - available. This is principally of use to git-fetch, which + available. This is principally of use to 'git-fetch', which expects to receive only those references asked for and not - necessarily everything in the pack (in this case, git-bundle is - acting like linkgit:git-fetch-pack[1]). + necessarily everything in the pack (in this case, 'git-bundle' is + acting like 'git-fetch-pack'). SPECIFYING REFERENCES --------------------- -git-bundle will only package references that are shown by -git-show-ref: this includes heads, tags, and remote heads. References +'git-bundle' will only package references that are shown by +'git-show-ref': this includes heads, tags, and remote heads. References such as master~1 cannot be packaged, but are perfectly suitable for defining the basis. More than one reference may be packaged, and more than one basis can be specified. The objects packaged are those not @@ -116,7 +115,7 @@ We set a tag in R1 (lastR2bundle) after the previous such transport, and move it afterwards to help build the bundle. ------------ -$ git-bundle create mybundle master ^lastR2bundle +$ git bundle create mybundle master ^lastR2bundle $ git tag -f lastR2bundle master ------------ @@ -141,8 +140,8 @@ $ git bundle create mybundle master -n 10 Then you move mybundle from A to B, and in R2 on B: ------------ -$ git-bundle verify mybundle -$ git-fetch mybundle master:localRef +$ git bundle verify mybundle +$ git fetch mybundle master:localRef ------------ With something like this in the config in R2: @@ -171,4 +170,4 @@ Written by Mark Levedahl <mdl123@verizon.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt index df42cb10f2..d35e8a04fe 100644 --- a/Documentation/git-cat-file.txt +++ b/Documentation/git-cat-file.txt @@ -8,13 +8,18 @@ git-cat-file - Provide content or type/size information for repository objects SYNOPSIS -------- -'git-cat-file' [-t | -s | -e | -p | <type>] <object> +[verse] +'git cat-file' [-t | -s | -e | -p | <type>] <object> +'git cat-file' [--batch | --batch-check] < <list-of-objects> DESCRIPTION ----------- -Provides content or type of objects in the repository. The type -is required unless '-t' or '-p' is used to find the object type, -or '-s' is used to find the object size. +In the first form, provides content or type of objects in the repository. The +type is required unless '-t' or '-p' is used to find the object type, or '-s' +is used to find the object size. + +In the second form, a list of object (separated by LFs) is provided on stdin, +and the SHA1, type, and size of each object is printed on stdout. OPTIONS ------- @@ -46,6 +51,14 @@ OPTIONS or to ask for a "blob" with <object> being a tag object that points at it. +--batch:: + Print the SHA1, type, size, and contents of each object provided on + stdin. May not be combined with any other options or arguments. + +--batch-check:: + Print the SHA1, type, and size of each object provided on stdin. May not be + combined with any other options or arguments. + OUTPUT ------ If '-t' is specified, one of the <type>. @@ -56,9 +69,30 @@ If '-e' is specified, no output. If '-p' is specified, the contents of <object> are pretty-printed. -Otherwise the raw (though uncompressed) contents of the <object> will -be returned. +If <type> is specified, the raw (though uncompressed) contents of the <object> +will be returned. + +If '--batch' is specified, output of the following form is printed for each +object specified on stdin: + +------------ +<sha1> SP <type> SP <size> LF +<contents> LF +------------ + +If '--batch-check' is specified, output of the following form is printed for +each object specified fon stdin: + +------------ +<sha1> SP <type> SP <size> LF +------------ + +For both '--batch' and '--batch-check', output of the following form is printed +for each object specified on stdin that does not exist in the repository: +------------ +<object> SP missing LF +------------ Author ------ @@ -70,4 +104,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt index 290f10f169..abe1f1b7dd 100644 --- a/Documentation/git-check-attr.txt +++ b/Documentation/git-check-attr.txt @@ -8,7 +8,7 @@ git-check-attr - Display gitattributes information. SYNOPSIS -------- -'git-check-attr' attr... [--] pathname... +'git check-attr' attr... [--] pathname... DESCRIPTION ----------- @@ -38,4 +38,4 @@ Documentation by James Bowes. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-check-ref-format.txt b/Documentation/git-check-ref-format.txt index a676880429..034223cc5a 100644 --- a/Documentation/git-check-ref-format.txt +++ b/Documentation/git-check-ref-format.txt @@ -7,7 +7,7 @@ git-check-ref-format - Make sure ref name is well formed SYNOPSIS -------- -'git-check-ref-format' <refname> +'git check-ref-format' <refname> DESCRIPTION ----------- @@ -47,9 +47,9 @@ refname expressions (see linkgit:git-rev-parse[1]). Namely: . colon `:` is used as in `srcref:dstref` to mean "use srcref\'s value and store it in dstref" in fetch and push operations. It may also be used to select a specific object such as with - linkgit:git-cat-file[1] "git-cat-file blob v1.3.3:refs.c". + 'git-cat-file': "git cat-file blob v1.3.3:refs.c". GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-checkout-index.txt b/Documentation/git-checkout-index.txt index cbbb0b5099..62d84836b8 100644 --- a/Documentation/git-checkout-index.txt +++ b/Documentation/git-checkout-index.txt @@ -9,7 +9,7 @@ git-checkout-index - Copy files from the index to the working tree SYNOPSIS -------- [verse] -'git-checkout-index' [-u] [-q] [-a] [-f] [-n] [--prefix=<string>] +'git checkout-index' [-u] [-q] [-a] [-f] [-n] [--prefix=<string>] [--stage=<number>|all] [--temp] [-z] [--stdin] @@ -22,21 +22,26 @@ Will copy all files listed from the index to the working directory OPTIONS ------- --u|--index:: +-u:: +--index:: update stat information for the checked out entries in the index file. --q|--quiet:: +-q:: +--quiet:: be quiet if files exist or are not in the index --f|--force:: +-f:: +--force:: forces overwrite of existing files --a|--all:: +-a:: +--all:: checks out all files in the index. Cannot be used together with explicit filenames. --n|--no-create:: +-n:: +--no-create:: Don't checkout new files, only refresh files already checked out. @@ -68,25 +73,25 @@ OPTIONS The order of the flags used to matter, but not anymore. -Just doing `git-checkout-index` does nothing. You probably meant -`git-checkout-index -a`. And if you want to force it, you want -`git-checkout-index -f -a`. +Just doing `git checkout-index` does nothing. You probably meant +`git checkout-index -a`. And if you want to force it, you want +`git checkout-index -f -a`. Intuitiveness is not the goal here. Repeatability is. The reason for the "no arguments means no work" behavior is that from scripts you are supposed to be able to do: ---------------- -$ find . -name '*.h' -print0 | xargs -0 git-checkout-index -f -- +$ find . -name '*.h' -print0 | xargs -0 git checkout-index -f -- ---------------- which will force all existing `*.h` files to be replaced with their cached copies. If an empty command line implied "all", then this would force-refresh everything in the index, which was not the point. But -since git-checkout-index accepts --stdin it would be faster to use: +since 'git-checkout-index' accepts --stdin it would be faster to use: ---------------- -$ find . -name '*.h' -print0 | git-checkout-index -f -z --stdin +$ find . -name '*.h' -print0 | git checkout-index -f -z --stdin ---------------- The `--` is just a good idea when you know the rest will be filenames; @@ -97,7 +102,7 @@ Using `--` is probably a good policy in scripts. Using --temp or --stage=all --------------------------- When `--temp` is used (or implied by `--stage=all`) -`git-checkout-index` will create a temporary file for each index +'git-checkout-index' will create a temporary file for each index entry being checked out. The index will not be updated with stat information. These options can be useful if the caller needs all stages of all unmerged entries so that the unmerged files can be @@ -139,19 +144,19 @@ EXAMPLES To update and refresh only the files already checked out:: + ---------------- -$ git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh +$ git checkout-index -n -f -a && git update-index --ignore-missing --refresh ---------------- -Using `git-checkout-index` to "export an entire tree":: +Using 'git-checkout-index' to "export an entire tree":: The prefix ability basically makes it trivial to use - `git-checkout-index` as an "export as tree" function. + 'git-checkout-index' as an "export as tree" function. Just read the desired tree into the index, and do: + ---------------- -$ git-checkout-index --prefix=git-export-dir/ -a +$ git checkout-index --prefix=git-export-dir/ -a ---------------- + -`git-checkout-index` will "export" the index into the specified +`git checkout-index` will "export" the index into the specified directory. + The final "/" is important. The exported name is literally just @@ -161,7 +166,7 @@ following example. Export files with a prefix:: + ---------------- -$ git-checkout-index --prefix=.merged- Makefile +$ git checkout-index --prefix=.merged- Makefile ---------------- + This will check out the currently cached copy of `Makefile` @@ -181,4 +186,4 @@ Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index a644173e15..2abfbdaadb 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -8,8 +8,8 @@ git-checkout - Checkout a branch or paths to the working tree SYNOPSIS -------- [verse] -'git-checkout' [-q] [-f] [[--track | --no-track] -b <new_branch> [-l]] [-m] [<branch>] -'git-checkout' [<tree-ish>] <paths>... +'git checkout' [-q] [-f] [[--track | --no-track] -b <new_branch> [-l]] [-m] [<branch>] +'git checkout' [<tree-ish>] <paths>... DESCRIPTION ----------- @@ -23,7 +23,7 @@ options, which will be passed to `git branch`. When <paths> are given, this command does *not* switch branches. It updates the named paths in the working tree from -the index file (i.e. it runs `git-checkout-index -f -u`), or +the index file (i.e. it runs `git checkout-index -f -u`), or from a named commit. In this case, the `-f` and `-b` options are meaningless and giving either of them results in an error. <tree-ish> argument can be @@ -47,15 +47,16 @@ OPTIONS by linkgit:git-check-ref-format[1]. Some of these checks may restrict the characters allowed in a branch name. --t, --track:: - When creating a new branch, set up configuration so that git-pull +-t:: +--track:: + When creating a new branch, set up configuration so that 'git-pull' will automatically retrieve data from the start point, which must be a branch. Use this if you always pull from the same upstream branch into the new branch, and if you don't want to use "git pull <repository> <refspec>" explicitly. This behavior is the default when the start point is a remote branch. Set the branch.autosetupmerge configuration variable to `false` if you want - git-checkout and git-branch to always behave as if '--no-track' were + 'git-checkout' and 'git-branch' to always behave as if '--no-track' were given. Set it to `always` if you want this behavior when the start-point is either a local or remote branch. @@ -111,7 +112,7 @@ current branch and directly point at the commit named by the tag (`v2.6.18` in the above example). You can use usual git commands while in this state. You can use -`git-reset --hard $othercommit` to further move around, for +`git reset --hard $othercommit` to further move around, for example. You can make changes and create a new commit on top of a detached HEAD. You can even create a merge by using `git merge $othercommit`. @@ -215,4 +216,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cherry-pick.txt b/Documentation/git-cherry-pick.txt index ca048f46f6..a691173ba1 100644 --- a/Documentation/git-cherry-pick.txt +++ b/Documentation/git-cherry-pick.txt @@ -7,7 +7,7 @@ git-cherry-pick - Apply the change introduced by an existing commit SYNOPSIS -------- -'git-cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] <commit> +'git cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] <commit> DESCRIPTION ----------- @@ -19,11 +19,12 @@ OPTIONS ------- <commit>:: Commit to cherry-pick. - For a more complete list of ways to spell commits, see + For a more complete list of ways to spell commits, see the "SPECIFYING REVISIONS" section in linkgit:git-rev-parse[1]. --e|--edit:: - With this option, `git-cherry-pick` will let you edit the commit +-e:: +--edit:: + With this option, 'git-cherry-pick' will let you edit the commit message prior to committing. -x:: @@ -44,14 +45,16 @@ OPTIONS described above, and `-r` was to disable it. Now the default is not to do `-x` so this option is a no-op. --m parent-number|--mainline parent-number:: +-m parent-number:: +--mainline parent-number:: Usually you cannot cherry-pick a merge because you do not know which side of the merge should be considered the mainline. This option specifies the parent number (starting from 1) of the mainline and allows cherry-pick to replay the change relative to the specified parent. --n|--no-commit:: +-n:: +--no-commit:: Usually the command automatically creates a commit with a commit log message stating which commit was cherry-picked. This flag applies the change necessary @@ -64,7 +67,8 @@ OPTIONS This is useful when cherry-picking more than one commits' effect to your working tree in a row. --s|--signoff:: +-s:: +--signoff:: Add Signed-off-by line at the end of the commit message. @@ -78,4 +82,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cherry.txt b/Documentation/git-cherry.txt index b0468aa746..d761a73423 100644 --- a/Documentation/git-cherry.txt +++ b/Documentation/git-cherry.txt @@ -7,12 +7,14 @@ git-cherry - Find commits not merged upstream SYNOPSIS -------- -'git-cherry' [-v] <upstream> [<head>] [<limit>] +'git cherry' [-v] <upstream> [<head>] [<limit>] DESCRIPTION ----------- The changeset (or "diff") of each commit between the fork-point and <head> is compared against each commit between the fork-point and <upstream>. +The commits are compared with their 'patch id', obtained from +the 'git-patch-id' program. Every commit that doesn't exist in the <upstream> branch has its id (sha1) reported, prefixed by a symbol. The ones that have @@ -35,8 +37,8 @@ to and including <limit> are not reported: \__*__*__<limit>__-__+__> <head> -Because git-cherry compares the changeset rather than the commit id -(sha1), you can use git-cherry to find out if a commit you made locally +Because 'git-cherry' compares the changeset rather than the commit id +(sha1), you can use 'git-cherry' to find out if a commit you made locally has been applied <upstream> under a different commit id. For example, this will happen if you're feeding patches <upstream> via email rather than pushing or pulling commits directly. @@ -56,6 +58,10 @@ OPTIONS <limit>:: Do not report commits up to (and including) limit. +SEE ALSO +-------- +linkgit:git-patch-id[1] + Author ------ Written by Junio C Hamano <junkio@cox.net> @@ -66,4 +72,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-citool.txt b/Documentation/git-citool.txt index aca1d75e50..670cb02b6c 100644 --- a/Documentation/git-citool.txt +++ b/Documentation/git-citool.txt @@ -14,9 +14,9 @@ DESCRIPTION A Tcl/Tk based graphical interface to review modified files, stage them into the index, enter a commit message and record the new commit onto the current branch. This interface is an alternative -to the less interactive linkgit:git-commit[1] program. +to the less interactive 'git-commit' program. -git-citool is actually a standard alias for 'git gui citool'. +'git-citool' is actually a standard alias for `git gui citool`. See linkgit:git-gui[1] for more details. Author @@ -29,4 +29,4 @@ Documentation by Shawn O. Pearce <spearce@spearce.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-clean.txt b/Documentation/git-clean.txt index 5e9da036ba..7dcc1ba58c 100644 --- a/Documentation/git-clean.txt +++ b/Documentation/git-clean.txt @@ -8,7 +8,7 @@ git-clean - Remove untracked files from the working tree SYNOPSIS -------- [verse] -'git-clean' [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>... +'git clean' [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>... DESCRIPTION ----------- @@ -27,19 +27,21 @@ OPTIONS -f:: If the git configuration specifies clean.requireForce as true, - git-clean will refuse to run unless given -f or -n. + 'git-clean' will refuse to run unless given -f or -n. -n:: +--dry-run:: Don't actually remove anything, just show what would be done. -q:: +--quiet:: Be quiet, only report errors, but not the files that are successfully removed. -x:: Don't use the ignore rules. This allows removing all untracked files, including build products. This can be used (possibly in - conjunction with linkgit:git-reset[1]) to create a pristine + conjunction with 'git-reset') to create a pristine working directory to test a clean build. -X:: @@ -54,4 +56,4 @@ Written by Pavel Roskin <proski@gnu.org> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index 9b564420c5..91efac920e 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -9,7 +9,7 @@ git-clone - Clone a repository into a new directory SYNOPSIS -------- [verse] -'git-clone' [--template=<template_directory>] +'git clone' [--template=<template_directory>] [-l] [-s] [--no-hardlinks] [-q] [-n] [--bare] [-o <name>] [-u <upload-pack>] [--reference <repository>] [--depth <depth>] [--] <repository> [<directory>] @@ -68,10 +68,10 @@ it unless you understand what it does. If you clone your repository using this option and then delete branches (or use any other git command that makes any existing commit unreferenced) in the source repository, some objects may become unreferenced (or dangling). -These objects may be removed by normal git operations (such as git-commit[1]) -which automatically call git-gc[1]. If these objects are removed and -were referenced by the cloned repository, then the cloned repository -will become corrupt. +These objects may be removed by normal git operations (such as 'git-commit') +which automatically call `git gc --auto`. (See linkgit:git-gc[1].) +If these objects are removed and were referenced by the cloned repository, +then the cloned repository will become corrupt. @@ -88,7 +88,7 @@ will become corrupt. --quiet:: -q:: Operate quietly. This flag is passed to "rsync" and - "git-fetch-pack" commands when given. + 'git-fetch-pack' commands when given. --no-checkout:: -n:: @@ -114,7 +114,7 @@ will become corrupt. --upload-pack <upload-pack>:: -u <upload-pack>:: When given, and the repository to clone from is handled - by 'git-fetch-pack', '--exec=<upload-pack>' is passed to + by 'git-fetch-pack', `--exec=<upload-pack>` is passed to the command to specify non-default path for the command run on the other end. @@ -205,4 +205,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt index 170803a6d0..feec58400b 100644 --- a/Documentation/git-commit-tree.txt +++ b/Documentation/git-commit-tree.txt @@ -8,7 +8,7 @@ git-commit-tree - Create a new commit object SYNOPSIS -------- -'git-commit-tree' <tree> [-p <parent commit>]\* < changelog +'git commit-tree' <tree> [-p <parent commit>]\* < changelog DESCRIPTION ----------- @@ -70,7 +70,7 @@ is taken from the configuration items user.name and user.email, or, if not present, system user name and fully qualified hostname. A commit comment is read from stdin. If a changelog -entry is not provided via "<" redirection, "git-commit-tree" will just wait +entry is not provided via "<" redirection, 'git-commit-tree' will just wait for one to be entered and terminated with ^D. @@ -88,7 +88,7 @@ Discussion include::i18n.txt[] -See Also +SEE ALSO -------- linkgit:git-write-tree[1] @@ -103,4 +103,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt index c3c9f5b902..01bd2d6b77 100644 --- a/Documentation/git-commit.txt +++ b/Documentation/git-commit.txt @@ -8,23 +8,23 @@ git-commit - Record changes to the repository SYNOPSIS -------- [verse] -'git-commit' [-a | --interactive] [-s] [-v] [-u] - [(-c | -C) <commit> | -F <file> | -m <msg> | --amend] - [--allow-empty] [--no-verify] [-e] [--author <author>] +'git commit' [-a | --interactive] [-s] [-v] [-u<mode>] [--amend] + [(-c | -C) <commit>] [-F <file> | -m <msg>] + [--allow-empty] [--no-verify] [-e] [--author=<author>] [--cleanup=<mode>] [--] [[-i | -o ]<file>...] DESCRIPTION ----------- -Use 'git commit' to store the current contents of the index in a new -commit along with a log message describing the changes you have made. +Stores the current contents of the index in a new commit along +with a log message from the user describing the changes. The content to be added can be specified in several ways: -1. by using linkgit:git-add[1] to incrementally "add" changes to the +1. by using 'git-add' to incrementally "add" changes to the index before using the 'commit' command (Note: even modified files must be "added"); -2. by using linkgit:git-rm[1] to remove files from the working tree +2. by using 'git-rm' to remove files from the working tree and the index, again before using the 'commit' command; 3. by listing files as arguments to the 'commit' command, in which @@ -39,55 +39,65 @@ The content to be added can be specified in several ways: 5. by using the --interactive switch with the 'commit' command to decide one by one which files should be part of the commit, before finalizing the - operation. Currently, this is done by invoking `git-add --interactive`. + operation. Currently, this is done by invoking 'git-add --interactive'. -The linkgit:git-status[1] command can be used to obtain a +The 'git-status' command can be used to obtain a summary of what is included by any of the above for the next commit by giving the same set of parameters you would give to this command. -If you make a commit and then found a mistake immediately after -that, you can recover from it with linkgit:git-reset[1]. +If you make a commit and then find a mistake immediately after +that, you can recover from it with 'git-reset'. OPTIONS ------- --a|--all:: +-a:: +--all:: Tell the command to automatically stage files that have been modified and deleted, but new files you have not told git about are not affected. --c or -C <commit>:: - Take existing commit object, and reuse the log message +-C <commit>:: +--reuse-message=<commit>:: + Take an existing commit object, and reuse the log message and the authorship information (including the timestamp) - when creating the commit. With '-C', the editor is not - invoked; with '-c' the user can further edit the commit - message. + when creating the commit. + +-c <commit>:: +--reedit-message=<commit>:: + Like '-C', but with '-c' the editor is invoked, so that + the user can further edit the commit message. -F <file>:: +--file=<file>:: Take the commit message from the given file. Use '-' to read the message from the standard input. ---author <author>:: +--author=<author>:: Override the author name used in the commit. Use `A U Thor <author@example.com>` format. --m <msg>|--message=<msg>:: +-m <msg>:: +--message=<msg>:: Use the given <msg> as the commit message. --t <file>|--template=<file>:: +-t <file>:: +--template=<file>:: Use the contents of the given file as the initial version of the commit message. The editor is invoked and you can make subsequent changes. If a message is specified using the `-m` or `-F` options, this option has no effect. This overrides the `commit.template` configuration variable. --s|--signoff:: +-s:: +--signoff:: Add Signed-off-by line at the end of the commit message. +-n:: --no-verify:: This option bypasses the pre-commit and commit-msg hooks. - See also linkgit:githooks[5][hooks]. + See also linkgit:githooks[5]. --allow-empty:: Usually recording a commit that has the exact same tree as its @@ -105,14 +115,14 @@ OPTIONS 'whitespace' removes just leading/trailing whitespace lines and 'strip' removes both whitespace and commentary. --e|--edit:: +-e:: +--edit:: The message taken from file with `-F`, command line with `-m`, and from file with `-C` are usually used as the commit log message unmodified. This option lets you further edit the message taken from these sources. --amend:: - Used to amend the tip of the current branch. Prepare the tree object you would want to replace the latest commit as usual (this includes the usual -i/-o and explicit paths), and the @@ -133,37 +143,51 @@ It is a rough equivalent for: but can be used to amend a merge commit. -- --i|--include:: +-i:: +--include:: Before making a commit out of staged contents so far, stage the contents of paths given on the command line as well. This is usually not what you want unless you are concluding a conflicted merge. --o|--only:: +-o:: +--only:: Make a commit only from the paths specified on the command line, disregarding any contents that have been staged so far. This is the default mode of operation of - 'git commit' if any paths are given on the command line, + 'git-commit' if any paths are given on the command line, in which case this option can be omitted. If this option is specified together with '--amend', then no paths need be specified, which can be used to amend the last commit without committing changes that have already been staged. --u|--untracked-files:: - Show all untracked files, also those in uninteresting - directories, in the "Untracked files:" section of commit - message template. Without this option only its name and - a trailing slash are displayed for each untracked - directory. +-u[<mode>]:: +--untracked-files[=<mode>]:: + Show untracked files (Default: 'all'). ++ +The mode parameter is optional, and is used to specify +the handling of untracked files. The possible options are: ++ +-- + - 'no' - Show no untracked files + - 'normal' - Shows untracked files and directories + - 'all' - Also shows individual files in untracked directories. +-- ++ +See linkgit:git-config[1] for configuration variable +used to change the default for when the option is not +specified. --v|--verbose:: +-v:: +--verbose:: Show unified diff between the HEAD commit and what would be committed at the bottom of the commit message template. Note that this diff output doesn't have its lines prefixed with '#'. --q|--quiet:: +-q:: +--quiet:: Suppress commit summary message. \--:: @@ -181,10 +205,10 @@ EXAMPLES -------- When recording your own work, the contents of modified files in your working tree are temporarily stored to a staging area -called the "index" with linkgit:git-add[1]. A file can be +called the "index" with 'git-add'. A file can be reverted back, only in the index but not in the working tree, -to that of the last commit with `git-reset HEAD -- <file>`, -which effectively reverts `git-add` and prevents the changes to +to that of the last commit with `git reset HEAD -- <file>`, +which effectively reverts 'git-add' and prevents the changes to this file from participating in the next commit. After building the state to be committed incrementally with these commands, `git commit` (without any pathname parameter) is used to record what @@ -240,13 +264,13 @@ $ git commit this second commit would record the changes to `hello.c` and `hello.h` as expected. -After a merge (initiated by either linkgit:git-merge[1] or -linkgit:git-pull[1]) stops because of conflicts, cleanly merged +After a merge (initiated by 'git-merge' or 'git-pull') stops +because of conflicts, cleanly merged paths are already staged to be committed for you, and paths that conflicted are left in unmerged state. You would have to first -check which paths are conflicting with linkgit:git-status[1] +check which paths are conflicting with 'git-status' and after fixing them manually in your working tree, you would -stage the result as usual with linkgit:git-add[1]: +stage the result as usual with 'git-add': ------------ $ git status | grep unmerged @@ -292,7 +316,7 @@ order). HOOKS ----- This command can run `commit-msg`, `prepare-commit-msg`, `pre-commit`, -and `post-commit` hooks. See linkgit:githooks[5][hooks] for more +and `post-commit` hooks. See linkgit:githooks[5] for more information. @@ -312,4 +336,4 @@ Junio C Hamano <junkio@cox.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt index 5de5d051b7..697824cbab 100644 --- a/Documentation/git-config.txt +++ b/Documentation/git-config.txt @@ -9,19 +9,19 @@ git-config - Get and set repository or global options SYNOPSIS -------- [verse] -'git-config' [<file-option>] [type] [-z|--null] name [value [value_regex]] -'git-config' [<file-option>] [type] --add name value -'git-config' [<file-option>] [type] --replace-all name [value [value_regex]] -'git-config' [<file-option>] [type] [-z|--null] --get name [value_regex] -'git-config' [<file-option>] [type] [-z|--null] --get-all name [value_regex] -'git-config' [<file-option>] [type] [-z|--null] --get-regexp name_regex [value_regex] -'git-config' [<file-option>] --unset name [value_regex] -'git-config' [<file-option>] --unset-all name [value_regex] -'git-config' [<file-option>] --rename-section old_name new_name -'git-config' [<file-option>] --remove-section name -'git-config' [<file-option>] [-z|--null] -l | --list -'git-config' [<file-option>] --get-color name [default] -'git-config' [<file-option>] --get-colorbool name [stdout-is-tty] +'git config' [<file-option>] [type] [-z|--null] name [value [value_regex]] +'git config' [<file-option>] [type] --add name value +'git config' [<file-option>] [type] --replace-all name [value [value_regex]] +'git config' [<file-option>] [type] [-z|--null] --get name [value_regex] +'git config' [<file-option>] [type] [-z|--null] --get-all name [value_regex] +'git config' [<file-option>] [type] [-z|--null] --get-regexp name_regex [value_regex] +'git config' [<file-option>] --unset name [value_regex] +'git config' [<file-option>] --unset-all name [value_regex] +'git config' [<file-option>] --rename-section old_name new_name +'git config' [<file-option>] --remove-section name +'git config' [<file-option>] [-z|--null] -l | --list +'git config' [<file-option>] --get-color name [default] +'git config' [<file-option>] --get-colorbool name [stdout-is-tty] DESCRIPTION ----------- @@ -101,7 +101,8 @@ rather than from all available files. + See also <<FILES>>. --f config-file, --file config-file:: +-f config-file:: +--file config-file:: Use the given config file instead of the one specified by GIT_CONFIG. --remove-section:: @@ -116,19 +117,21 @@ See also <<FILES>>. --unset-all:: Remove all lines matching the key from config file. --l, --list:: +-l:: +--list:: List all variables set in config file. --bool:: - git-config will ensure that the output is "true" or "false" + 'git-config' will ensure that the output is "true" or "false" --int:: - git-config will ensure that the output is a simple + 'git-config' will ensure that the output is a simple decimal number. An optional value suffix of 'k', 'm', or 'g' in the config file will cause the value to be multiplied by 1024, 1048576, or 1073741824 prior to output. --z, --null:: +-z:: +--null:: For all options that output values and/or keys, always end values with the null character (instead of a newline). Use newline instead as a delimiter between @@ -159,7 +162,7 @@ FILES ----- If not set explicitly with '--file', there are three files where -git-config will search for configuration options: +'git-config' will search for configuration options: $GIT_DIR/config:: Repository specific configuration file. (The filename is @@ -176,23 +179,18 @@ $(prefix)/etc/gitconfig:: If no further options are given, all reading options will read all of these files that are available. If the global or the system-wide configuration file are not available they will be ignored. If the repository configuration -file is not available or readable, git-config will exit with a non-zero +file is not available or readable, 'git-config' will exit with a non-zero error code. However, in neither case will an error message be issued. All writing options will per default write to the repository specific configuration file. Note that this also affects options like '--replace-all' -and '--unset'. *git-config will only ever change one file at a time*. +and '--unset'. *'git-config' will only ever change one file at a time*. You can override these rules either by command line options or by environment variables. The '--global' and the '--system' options will limit the file used to the global or system-wide file respectively. The GIT_CONFIG environment variable has a similar effect, but you can specify any filename you want. -The GIT_CONFIG_LOCAL environment variable on the other hand only changes -the name used instead of the repository configuration file. The global and -the system-wide configuration files will still be read. (For writing options -this will obviously result in the same behavior as using GIT_CONFIG.) - ENVIRONMENT ----------- @@ -202,10 +200,6 @@ GIT_CONFIG:: Using the "--global" option forces this to ~/.gitconfig. Using the "--system" option forces this to $(prefix)/etc/gitconfig. -GIT_CONFIG_LOCAL:: - Take the configuration from the given file instead if .git/config. - Still read the global and the system-wide configuration files, though. - See also <<FILES>>. @@ -334,4 +328,4 @@ Documentation by Johannes Schindelin, Petr Baudis and the git-list <git@vger.ker GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-count-objects.txt b/Documentation/git-count-objects.txt index 7fb08e9348..c069cc8b04 100644 --- a/Documentation/git-count-objects.txt +++ b/Documentation/git-count-objects.txt @@ -7,7 +7,7 @@ git-count-objects - Count unpacked number of objects and their disk consumption SYNOPSIS -------- -'git-count-objects' [-v] +'git count-objects' [-v] DESCRIPTION ----------- @@ -18,10 +18,11 @@ them, to help you decide when it is a good time to repack. OPTIONS ------- -v:: +--verbose:: In addition to the number of loose objects and disk space consumed, it reports the number of in-pack objects, number of packs, and number of objects that can be - removed by running `git-prune-packed`. + removed by running `git prune-packed`. Author @@ -34,4 +35,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cvsexportcommit.txt b/Documentation/git-cvsexportcommit.txt index 9a47b4c397..2da8588f4f 100644 --- a/Documentation/git-cvsexportcommit.txt +++ b/Documentation/git-cvsexportcommit.txt @@ -8,7 +8,8 @@ git-cvsexportcommit - Export a single commit to a CVS checkout SYNOPSIS -------- -'git-cvsexportcommit' [-h] [-u] [-v] [-c] [-P] [-p] [-a] [-d cvsroot] [-w cvsworkdir] [-f] [-m msgprefix] [PARENTCOMMIT] COMMITID +'git cvsexportcommit' [-h] [-u] [-v] [-c] [-P] [-p] [-a] [-d cvsroot] + [-w cvsworkdir] [-W] [-f] [-m msgprefix] [PARENTCOMMIT] COMMITID DESCRIPTION @@ -26,8 +27,8 @@ by default. Supports file additions, removals, and commits that affect binary files. -If the commit is a merge commit, you must tell git-cvsexportcommit what parent -should the changeset be done against. +If the commit is a merge commit, you must tell 'git-cvsexportcommit' what +parent the changeset should be done against. OPTIONS ------- @@ -65,11 +66,22 @@ OPTIONS -w:: Specify the location of the CVS checkout to use for the export. This option does not require GIT_DIR to be set before execution if the - current directory is within a git repository. + current directory is within a git repository. The default is the + value of 'cvsexportcommit.cvsdir'. + +-W:: + Tell cvsexportcommit that the current working directory is not only + a Git checkout, but also the CVS checkout. Therefore, Git will + reset the working directory to the parent commit before proceeding. -v:: Verbose. +CONFIGURATION +------------- +cvsexportcommit.cvsdir:: + The default location of the CVS checkout to use for the export. + EXAMPLES -------- @@ -78,14 +90,14 @@ Merge one patch into CVS:: ------------ $ export GIT_DIR=~/project/.git $ cd ~/project_cvs_checkout -$ git-cvsexportcommit -v <commit-sha1> +$ git cvsexportcommit -v <commit-sha1> $ cvs commit -F .msg <files> ------------ Merge one patch into CVS (-c and -w options). The working directory is within the Git Repo:: + ------------ - $ git-cvsexportcommit -v -c -w ~/project_cvs_checkout <commit-sha1> + $ git cvsexportcommit -v -c -w ~/project_cvs_checkout <commit-sha1> ------------ Merge pending patches into CVS automatically -- only if you really know what you are doing:: @@ -93,7 +105,7 @@ Merge pending patches into CVS automatically -- only if you really know what you ------------ $ export GIT_DIR=~/project/.git $ cd ~/project_cvs_checkout -$ git-cherry cvshead myhead | sed -n 's/^+ //p' | xargs -l1 git-cvsexportcommit -c -p -v +$ git cherry cvshead myhead | sed -n 's/^+ //p' | xargs -l1 git cvsexportcommit -c -p -v ------------ Author @@ -106,4 +118,4 @@ Documentation by Martin Langhoff <martin@catalyst.net.nz> and others. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt index 58eefd42e5..b7a8c10b87 100644 --- a/Documentation/git-cvsimport.txt +++ b/Documentation/git-cvsimport.txt @@ -9,7 +9,7 @@ git-cvsimport - Salvage your data out of another SCM people love to hate SYNOPSIS -------- [verse] -'git-cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>] +'git cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>] [-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>] [-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>] [-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>] @@ -25,12 +25,18 @@ Splitting the CVS log into patch sets is done by 'cvsps'. At least version 2.1 is required. You should *never* do any work of your own on the branches that are -created by git-cvsimport. By default initial import will create and populate a +created by 'git-cvsimport'. By default initial import will create and populate a "master" branch from the CVS repository's main branch which you're free -to work with; after that, you need to 'git merge' incremental imports, or +to work with; after that, you need to 'git-merge' incremental imports, or any CVS branches, yourself. It is advisable to specify a named remote via -r to separate and protect the incoming branches. +If you intend to set up a shared public repository that all developers can +read/write, or if you want to use linkgit:git-cvsserver[1], then you +probably want to make a bare clone of the imported repository, +and use the clone as the shared repository. +See linkgit:gitcvs-migration[7]. + OPTIONS ------- @@ -40,13 +46,13 @@ OPTIONS -d <CVSROOT>:: The root of the CVS archive. May be local (a simple path) or remote; currently, only the :local:, :ext: and :pserver: access methods - are supported. If not given, git-cvsimport will try to read it + are supported. If not given, 'git-cvsimport' will try to read it from `CVS/Root`. If no such file exists, it checks for the `CVSROOT` environment variable. <CVS_module>:: The CVS module you want to import. Relative to <CVSROOT>. - If not given, git-cvsimport tries to read it from + If not given, 'git-cvsimport' tries to read it from `CVS/Repository`. -C <target-dir>:: @@ -56,14 +62,14 @@ OPTIONS -r <remote>:: The git remote to import this CVS repository into. Moves all CVS branches into remotes/<remote>/<branch> - akin to the git-clone --use-separate-remote option. + akin to the 'git-clone' "--use-separate-remote" option. -o <branch-for-HEAD>:: When no remote is specified (via -r) the 'HEAD' branch from CVS is imported to the 'origin' branch within the git repository, as 'HEAD' already has a special meaning for git. When a remote is specified the 'HEAD' branch is named - remotes/<remote>/master mirroring git-clone behaviour. + remotes/<remote>/master mirroring 'git-clone' behaviour. Use this option if you want to import into a different branch. + @@ -136,17 +142,17 @@ This option can be used several times to provide several detection regexes. --------- + -git-cvsimport will make it appear as those authors had +'git-cvsimport' will make it appear as those authors had their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly all along. + For convenience, this data is saved to `$GIT_DIR/cvs-authors` each time the '-A' option is provided and read from that same -file each time git-cvsimport is run. +file each time 'git-cvsimport' is run. + It is not recommended to use this feature if you intend to export changes back to CVS again later with -linkgit:git-cvsexportcommit[1]. +'git-cvsexportcommit'. -h:: Print a short usage message and exit. @@ -170,4 +176,4 @@ Documentation by Matthias Urlichs <smurf@smurf.noris.de>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-cvsserver.txt b/Documentation/git-cvsserver.txt index b1106714b2..c2d3c90d27 100644 --- a/Documentation/git-cvsserver.txt +++ b/Documentation/git-cvsserver.txt @@ -22,7 +22,7 @@ cvspserver stream tcp nowait nobody /usr/bin/git-cvsserver git-cvsserver pserver Usage: [verse] -'git-cvsserver' [options] [pserver|server] [<directory> ...] +'git cvsserver' [options] [pserver|server] [<directory> ...] OPTIONS ------- @@ -41,10 +41,13 @@ Don't allow recursing into subdirectories Don't check for `gitcvs.enabled` in config. You also have to specify a list of allowed directories (see below) if you want to use this option. ---version, -V:: +-V:: +--version:: Print version information and exit ---help, -h, -H:: +-h:: +-H:: +--help:: Print usage information and exit <directory>:: @@ -74,7 +77,7 @@ over pserver for anonymous CVS access. CVS clients cannot tag, branch or perform GIT merges. -git-cvsserver maps GIT branches to CVS modules. This is very different +'git-cvsserver' maps GIT branches to CVS modules. This is very different from what most CVS users would expect since in CVS modules usually represent one or more directories. @@ -100,7 +103,7 @@ looks like ------ No special setup is needed for SSH access, other than having GIT tools in the PATH. If you have clients that do not accept the CVS_SERVER -environment variable, you can rename git-cvsserver to cvs. +environment variable, you can rename 'git-cvsserver' to `cvs`. Note: Newer CVS versions (>= 1.12.11) also support specifying CVS_SERVER directly in CVSROOT like @@ -110,9 +113,9 @@ cvs -d ":ext;CVS_SERVER=git-cvsserver:user@server/path/repo.git" co <HEAD_name> ------ This has the advantage that it will be saved in your 'CVS/Root' files and you don't need to worry about always setting the correct environment -variable. SSH users restricted to git-shell don't need to override the default -with CVS_SERVER (and shouldn't) as git-shell understands `cvs` to mean -git-cvsserver and pretends that the other end runs the real cvs better. +variable. SSH users restricted to 'git-shell' don't need to override the default +with CVS_SERVER (and shouldn't) as 'git-shell' understands `cvs` to mean +'git-cvsserver' and pretends that the other end runs the real 'cvs' better. -- 2. For each repo that you want accessible from CVS you need to edit config in the repo and add the following section. @@ -125,11 +128,14 @@ git-cvsserver and pretends that the other end runs the real cvs better. logfile=/path/to/logfile ------ -Note: you need to ensure each user that is going to invoke git-cvsserver has +Note: you need to ensure each user that is going to invoke 'git-cvsserver' has write access to the log file and to the database (see <<dbbackend,Database Backend>>. If you want to offer write access over SSH, the users of course also need write access to the git repository itself. +You also need to ensure that each repository is "bare" (without a git index +file) for `cvs commit` to work. See linkgit:gitcvs-migration[7]. + [[configaccessmethod]] All configuration variables can also be overridden for a specific method of access. Valid method names are "ext" (for SSH access) and "pserver". The @@ -147,7 +153,7 @@ allowing access over SSH. automatically saving it in your 'CVS/Root' files, then you need to set them explicitly in your environment. CVSROOT should be set as per normal, but the directory should point at the appropriate git repo. As above, for SSH clients - _not_ restricted to git-shell, CVS_SERVER should be set to git-cvsserver. + _not_ restricted to 'git-shell', CVS_SERVER should be set to 'git-cvsserver'. + -- ------ @@ -175,27 +181,27 @@ allowing access over SSH. Database Backend ---------------- -git-cvsserver uses one database per git head (i.e. CVS module) to +'git-cvsserver' uses one database per git head (i.e. CVS module) to store information about the repository for faster access. The database doesn't contain any persistent data and can be completely regenerated from the git repository at any time. The database needs to be updated (i.e. written to) after every commit. -If the commit is done directly by using git (as opposed to -using git-cvsserver) the update will need to happen on the -next repository access by git-cvsserver, independent of +If the commit is done directly by using `git` (as opposed to +using 'git-cvsserver') the update will need to happen on the +next repository access by 'git-cvsserver', independent of access method and requested operation. That means that even if you offer only read access (e.g. by using -the pserver method), git-cvsserver should have write access to +the pserver method), 'git-cvsserver' should have write access to the database to work reliably (otherwise you need to make sure -that the database is up-to-date any time git-cvsserver is executed). +that the database is up-to-date any time 'git-cvsserver' is executed). By default it uses SQLite databases in the git directory, named `gitcvs.<module_name>.sqlite`. Note that the SQLite backend creates temporary files in the same directory as the database file on write so it might not be enough to grant the users using -git-cvsserver write access to the database file without granting +'git-cvsserver' write access to the database file without granting them write access to the directory, too. You can configure the database backend with the following @@ -204,7 +210,7 @@ configuration variables: Configuring database backend ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -git-cvsserver uses the Perl DBI module. Please also read +'git-cvsserver' uses the Perl DBI module. Please also read its documentation if changing these variables, especially about `DBI->connect()`. @@ -256,7 +262,7 @@ In `dbdriver` and `dbuser` you can use the following variables: %a:: access method (one of "ext" or "pserver") %u:: - Name of the user running git-cvsserver. + Name of the user running 'git-cvsserver'. If no name can be determined, the numeric uid is used. @@ -282,8 +288,8 @@ you will definitely want to have SSH keys setup. Alternatively, you can just use the non-standard extssh protocol that Eclipse offer. In that case CVS_SERVER is ignored, and you will have to replace -the cvs utility on the server with git-cvsserver or manipulate your `.bashrc` -so that calling 'cvs' effectively calls git-cvsserver. +the cvs utility on the server with 'git-cvsserver' or manipulate your `.bashrc` +so that calling 'cvs' effectively calls 'git-cvsserver'. Clients known to work --------------------- @@ -301,16 +307,37 @@ checkout, diff, status, update, log, add, remove, commit. Legacy monitoring operations are not supported (edit, watch and related). Exports and tagging (tags and branches) are not supported at this stage. -The server should set the '-k' mode to binary when relevant, however, -this is not really implemented yet. For now, you can force the server -to set '-kb' for all files by setting the `gitcvs.allbinary` config -variable. In proper GIT tradition, the contents of the files are -always respected. No keyword expansion or newline munging is supported. +CRLF Line Ending Conversions +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +By default the server leaves the '-k' mode blank for all files, +which causes the cvs client to treat them as a text files, subject +to crlf conversion on some platforms. + +You can make the server use `crlf` attributes to set the '-k' modes +for files by setting the `gitcvs.usecrlfattr` config variable. +In this case, if `crlf` is explicitly unset ('-crlf'), then the +server will set '-kb' mode for binary files. If `crlf` is set, +then the '-k' mode will explicitly be left blank. See +also linkgit:gitattributes[5] for more information about the `crlf` +attribute. + +Alternatively, if `gitcvs.usecrlfattr` config is not enabled +or if the `crlf` attribute is unspecified for a filename, then +the server uses the `gitcvs.allbinary` config for the default setting. +If `gitcvs.allbinary` is set, then file not otherwise +specified will default to '-kb' mode. Otherwise the '-k' mode +is left blank. But if `gitcvs.allbinary` is set to "guess", then +the correct '-k' mode will be guessed based on the contents of +the file. + +For best consistency with 'cvs', it is probably best to override the +defaults by setting `gitcvs.usecrlfattr` to true, +and `gitcvs.allbinary` to "guess". Dependencies ------------ - -git-cvsserver depends on DBD::SQLite. +'git-cvsserver' depends on DBD::SQLite. Copyright and Authors --------------------- @@ -330,4 +357,4 @@ Documentation by Martyn Smith <martyn@catalyst.net.nz>, Martin Langhoff <martin@ GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-daemon.txt b/Documentation/git-daemon.txt index fd83bc7833..4ba4b75c11 100644 --- a/Documentation/git-daemon.txt +++ b/Documentation/git-daemon.txt @@ -8,12 +8,12 @@ git-daemon - A really simple server for git repositories SYNOPSIS -------- [verse] -'git-daemon' [--verbose] [--syslog] [--export-all] - [--timeout=n] [--init-timeout=n] [--strict-paths] - [--base-path=path] [--user-path | --user-path=path] - [--interpolated-path=pathtemplate] - [--reuseaddr] [--detach] [--pid-file=file] - [--enable=service] [--disable=service] +'git daemon' [--verbose] [--syslog] [--export-all] + [--timeout=n] [--init-timeout=n] [--strict-paths] + [--base-path=path] [--user-path | --user-path=path] + [--interpolated-path=pathtemplate] + [--reuseaddr] [--detach] [--pid-file=file] + [--enable=service] [--disable=service] [--allow-override=service] [--forbid-override=service] [--inetd | [--listen=host_or_ipaddr] [--port=n] [--user=user [--group=group]] [directory...] @@ -31,32 +31,32 @@ pass some directory paths as 'git-daemon' arguments, you can further restrict the offers to a whitelist comprising of those. By default, only `upload-pack` service is enabled, which serves -`git-fetch-pack` and `git-ls-remote` clients, which are invoked -from `git-fetch`, `git-pull`, and `git-clone`. +'git-fetch-pack' and 'git-ls-remote' clients, which are invoked +from 'git-fetch', 'git-pull', and 'git-clone'. This is ideally suited for read-only updates, i.e., pulling from git repositories. -An `upload-archive` also exists to serve `git-archive`. +An `upload-archive` also exists to serve 'git-archive'. OPTIONS ------- --strict-paths:: Match paths exactly (i.e. don't allow "/foo/repo" when the real path is "/foo/repo.git" or "/foo/repo/.git") and don't do user-relative paths. - git-daemon will refuse to start when this option is enabled and no + 'git-daemon' will refuse to start when this option is enabled and no whitelist is specified. --base-path:: Remap all the path requests as relative to the given path. - This is sort of "GIT root" - if you run git-daemon with + This is sort of "GIT root" - if you run 'git-daemon' with '--base-path=/srv/git' on example.com, then if you later try to pull - 'git://example.com/hello.git', `git-daemon` will interpret the path + 'git://example.com/hello.git', 'git-daemon' will interpret the path as '/srv/git/hello.git'. --base-path-relaxed:: If --base-path is enabled and repo lookup fails, with this option - `git-daemon` will attempt to lookup without prefixing the base path. + 'git-daemon' will attempt to lookup without prefixing the base path. This is useful for switching to --base-path usage, while still allowing the old paths. @@ -103,7 +103,8 @@ OPTIONS Log to syslog instead of stderr. Note that this option does not imply --verbose, thus by default only error conditions will be logged. ---user-path, --user-path=path:: +--user-path:: +--user-path=path:: Allow ~user notation to be used in requests. When specified with no parameter, requests to git://host/~alice/foo is taken as a request to access @@ -127,7 +128,8 @@ OPTIONS Save the process id in 'file'. Ignored when the daemon is run under `--inetd`. ---user=user, --group=group:: +--user=user:: +--group=group:: Change daemon's uid and gid before entering the service loop. When only `--user` is given without `--group`, the primary group ID for the user is used. The values of @@ -136,16 +138,18 @@ OPTIONS + Giving these options is an error when used with `--inetd`; use the facility of inet daemon to achieve the same before spawning -`git-daemon` if needed. +'git-daemon' if needed. ---enable=service, --disable=service:: +--enable=service:: +--disable=service:: Enable/disable the service site-wide per default. Note that a service disabled site-wide can still be enabled per repository if it is marked overridable and the repository enables the service with an configuration item. ---allow-override=service, --forbid-override=service:: +--allow-override=service:: +--forbid-override=service:: Allow/forbid overriding the site-wide default with per repository configuration. By default, all the services are overridable. @@ -160,24 +164,24 @@ SERVICES These services can be globally enabled/disabled using the command line options of this command. If a finer-grained -control is desired (e.g. to allow `git-archive` to be run +control is desired (e.g. to allow 'git-archive' to be run against only in a few selected repositories the daemon serves), the per-repository configuration file can be used to enable or disable them. upload-pack:: - This serves `git-fetch-pack` and `git-ls-remote` + This serves 'git-fetch-pack' and 'git-ls-remote' clients. It is enabled by default, but a repository can disable it by setting `daemon.uploadpack` configuration item to `false`. upload-archive:: - This serves `git-archive --remote`. It is disabled by + This serves 'git-archive --remote'. It is disabled by default, but a repository can enable it by setting - `daemon.uploadarchive` configuration item to `true`. + `daemon.uploadarch` configuration item to `true`. receive-pack:: - This serves `git-send-pack` clients, allowing anonymous + This serves 'git-send-pack' clients, allowing anonymous push. It is disabled by default, as there is _no_ authentication in the protocol (in other words, anybody can push anything into the repository, including removal @@ -195,28 +199,28 @@ $ grep 9418 /etc/services git 9418/tcp # Git Version Control System ------------ -git-daemon as inetd server:: - To set up `git-daemon` as an inetd service that handles any +'git-daemon' as inetd server:: + To set up 'git-daemon' as an inetd service that handles any repository under the whitelisted set of directories, /pub/foo and /pub/bar, place an entry like the following into /etc/inetd all on one line: + ------------------------------------------------ - git stream tcp nowait nobody /usr/bin/git-daemon - git-daemon --inetd --verbose --export-all + git stream tcp nowait nobody /usr/bin/git + git daemon --inetd --verbose --export-all /pub/foo /pub/bar ------------------------------------------------ -git-daemon as inetd server for virtual hosts:: - To set up `git-daemon` as an inetd service that handles +'git-daemon' as inetd server for virtual hosts:: + To set up 'git-daemon' as an inetd service that handles repositories for different virtual hosts, `www.example.com` and `www.example.org`, place an entry like the following into `/etc/inetd` all on one line: + ------------------------------------------------ - git stream tcp nowait nobody /usr/bin/git-daemon - git-daemon --inetd --verbose --export-all + git stream tcp nowait nobody /usr/bin/git + git daemon --inetd --verbose --export-all --interpolated-path=/pub/%H%D /pub/www.example.org/software /pub/www.example.com/software @@ -231,13 +235,13 @@ clients, a symlink from `/software` into the appropriate default repository could be made as well. -git-daemon as regular daemon for virtual hosts:: - To set up `git-daemon` as a regular, non-inetd service that +'git-daemon' as regular daemon for virtual hosts:: + To set up 'git-daemon' as a regular, non-inetd service that handles repositories for multiple virtual hosts based on their IP addresses, start the daemon like this: + ------------------------------------------------ - git-daemon --verbose --export-all + git daemon --verbose --export-all --interpolated-path=/pub/%IP/%D /pub/192.168.1.200/software /pub/10.10.220.23/software @@ -249,7 +253,7 @@ Repositories can still be accessed by hostname though, assuming they correspond to these IP addresses. selectively enable/disable services per repository:: - To enable `git-archive --remote` and disable `git-fetch` against + To enable 'git-archive --remote' and disable 'git-fetch' against a repository, have the following in the configuration file in the repository (that is the file 'config' next to 'HEAD', 'refs' and 'objects'). @@ -257,7 +261,7 @@ selectively enable/disable services per repository:: ---------------------------------------------------------------- [daemon] uploadpack = false - uploadarchive = true + uploadarch = true ---------------------------------------------------------------- @@ -272,4 +276,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt index 69e1ab750d..44b166888a 100644 --- a/Documentation/git-describe.txt +++ b/Documentation/git-describe.txt @@ -8,7 +8,7 @@ git-describe - Show the most recent tag that is reachable from a commit SYNOPSIS -------- -'git-describe' [--all] [--tags] [--contains] [--abbrev=<n>] <committish>... +'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] <committish>... DESCRIPTION ----------- @@ -70,12 +70,15 @@ OPTIONS Only consider tags matching the given pattern (can be used to avoid leaking private tags made from the repository). +--always:: + Show uniquely abbreviated commit object as fallback. + EXAMPLES -------- With something like git.git current tree, I get: - [torvalds@g5 git]$ git-describe parent + [torvalds@g5 git]$ git describe parent v1.0.4-14-g2414721 i.e. the current head of my "parent" branch is based on v1.0.4, @@ -89,9 +92,9 @@ of commits which would be displayed by "git log v1.0.4..parent". The hash suffix is "-g" + 7-char abbreviation for the tip commit of parent (which was `2414721b194453f058079d897d13c4e377f92dc6`). -Doing a "git-describe" on a tag-name will just show the tag name: +Doing a 'git-describe' on a tag-name will just show the tag name: - [torvalds@g5 git]$ git-describe v1.0.4 + [torvalds@g5 git]$ git describe v1.0.4 v1.0.4 With --all, the command can use branch heads as references, so @@ -112,13 +115,13 @@ closest tagname without any suffix: SEARCH STRATEGY --------------- -For each committish supplied "git describe" will first look for +For each committish supplied, 'git-describe' will first look for a tag which tags exactly that commit. Annotated tags will always be preferred over lightweight tags, and tags with newer dates will always be preferred over tags with older dates. If an exact match is found, its name will be output and searching will stop. -If an exact match was not found "git describe" will walk back +If an exact match was not found, 'git-describe' will walk back through the commit history to locate an ancestor commit which has been tagged. The ancestor's tag will be output along with an abbreviation of the input committish's SHA1. @@ -126,7 +129,7 @@ abbreviation of the input committish's SHA1. If multiple tags were found during the walk then the tag which has the fewest commits different from the input committish will be selected and output. Here fewest commits different is defined as -the number of commits which would be shown by "git log tag..input" +the number of commits which would be shown by `git log tag..input` will be the smallest number of commits possible. @@ -142,4 +145,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-diff-files.txt b/Documentation/git-diff-files.txt index 6d2ea16a25..5c8c1d95a8 100644 --- a/Documentation/git-diff-files.txt +++ b/Documentation/git-diff-files.txt @@ -8,14 +8,14 @@ git-diff-files - Compares files in the working tree and the index SYNOPSIS -------- -'git-diff-files' [-q] [-0|-1|-2|-3|-c|--cc|--no-index] [<common diff options>] [<path>...] +'git diff-files' [-q] [-0|-1|-2|-3|-c|--cc] [<common diff options>] [<path>...] DESCRIPTION ----------- Compares the files in the working tree and the index. When paths are specified, compares only those named paths. Otherwise all entries in the index are compared. The output format is the -same as "git-diff-index" and "git-diff-tree". +same as for 'git-diff-index' and 'git-diff-tree'. OPTIONS ------- @@ -30,15 +30,13 @@ The default is to diff against our branch (-2) and the cleanly resolved paths. The option -0 can be given to omit diff output for unmerged entries and just show "Unmerged". --c,--cc:: +-c:: +--cc:: This compares stage 2 (our branch), stage 3 (their branch) and the working tree file and outputs a combined diff, similar to the way 'diff-tree' shows a merge commit with these flags. ---no-index:: - Compare the two given files / directories. - -q:: Remain silent even on nonexistent files @@ -57,4 +55,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-diff-index.txt b/Documentation/git-diff-index.txt index e867778590..26920d4f63 100644 --- a/Documentation/git-diff-index.txt +++ b/Documentation/git-diff-index.txt @@ -8,7 +8,7 @@ git-diff-index - Compares content and mode of blobs between the index and reposi SYNOPSIS -------- -'git-diff-index' [-m] [--cached] [<common diff options>] <tree-ish> [<path>...] +'git diff-index' [-m] [--cached] [<common diff options>] <tree-ish> [<path>...] DESCRIPTION ----------- @@ -31,7 +31,7 @@ include::diff-options.txt[] -m:: By default, files recorded in the index but not checked out are reported as deleted. This flag makes - "git-diff-index" say that all non-checked-out files are up + 'git-diff-index' say that all non-checked-out files are up to date. Output format @@ -50,31 +50,31 @@ Cached Mode If '--cached' is specified, it allows you to ask: show me the differences between HEAD and the current index - contents (the ones I'd write with a "git-write-tree") + contents (the ones I'd write using 'git-write-tree') For example, let's say that you have worked on your working directory, updated some files in the index and are ready to commit. You want to see exactly *what* you are going to commit, without having to write a new tree object and compare it that way, and to do that, you just do - git-diff-index --cached HEAD + git diff-index --cached HEAD Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had -done an "git-update-index" to make that effective in the index file. -"git-diff-files" wouldn't show anything at all, since the index file -matches my working directory. But doing a "git-diff-index" does: +done an `update-index` to make that effective in the index file. +`git diff-files` wouldn't show anything at all, since the index file +matches my working directory. But doing a 'git-diff-index' does: - torvalds@ppc970:~/git> git-diff-index --cached HEAD + torvalds@ppc970:~/git> git diff-index --cached HEAD -100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 commit.c +100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 git-commit.c You can see easily that the above is a rename. -In fact, "git-diff-index --cached" *should* always be entirely equivalent to -actually doing a "git-write-tree" and comparing that. Except this one is much +In fact, `git diff-index --cached` *should* always be entirely equivalent to +actually doing a 'git-write-tree' and comparing that. Except this one is much nicer for the case where you just want to check where you are. -So doing a "git-diff-index --cached" is basically very useful when you are +So doing a 'git-diff-index --cached' is basically very useful when you are asking yourself "what have I already marked for being committed, and what's the difference to a previous tree". @@ -82,23 +82,23 @@ Non-cached Mode --------------- The "non-cached" mode takes a different approach, and is potentially the more useful of the two in that what it does can't be emulated with -a "git-write-tree" + "git-diff-tree". Thus that's the default mode. +a 'git-write-tree' + 'git-diff-tree'. Thus that's the default mode. The non-cached version asks the question: show me the differences between HEAD and the currently checked out tree - index contents _and_ files that aren't up-to-date which is obviously a very useful question too, since that tells you what -you *could* commit. Again, the output matches the "git-diff-tree -r" +you *could* commit. Again, the output matches the 'git-diff-tree -r' output to a tee, but with a twist. The twist is that if some file doesn't match the index, we don't have a backing store thing for it, and we use the magic "all-zero" sha1 to show that. So let's say that you have edited `kernel/sched.c`, but -have not actually done a "git-update-index" on it yet - there is no +have not actually done a 'git-update-index' on it yet - there is no "object" associated with the new state, and you get: - torvalds@ppc970:~/v2.6/linux> git-diff-index HEAD + torvalds@ppc970:~/v2.6/linux> git diff-index HEAD *100644->100664 blob 7476bb......->000000...... kernel/sched.c i.e., it shows that the tree has changed, and that `kernel/sched.c` has is @@ -106,11 +106,11 @@ not up-to-date and may contain new stuff. The all-zero sha1 means that to get the real diff, you need to look at the object in the working directory directly rather than do an object-to-object diff. -NOTE: As with other commands of this type, "git-diff-index" does not +NOTE: As with other commands of this type, 'git-diff-index' does not actually look at the contents of the file at all. So maybe `kernel/sched.c` hasn't actually changed, and it's just that you touched it. In either case, it's a note that you need to -"git-update-index" it to make the index be in sync. +'git-update-index' it to make the index be in sync. NOTE: You can have a mixture of files show up as "has been updated" and "is still dirty in the working directory" together. You can always @@ -129,4 +129,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-diff-tree.txt b/Documentation/git-diff-tree.txt index 58d02c6a20..0e45b58d83 100644 --- a/Documentation/git-diff-tree.txt +++ b/Documentation/git-diff-tree.txt @@ -9,7 +9,7 @@ git-diff-tree - Compares the content and mode of blobs found via two tree object SYNOPSIS -------- [verse] -'git-diff-tree' [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty] +'git diff-tree' [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty] [-t] [-r] [-c | --cc] [--root] [<common diff options>] <tree-ish> [<tree-ish>] [<path>...] @@ -20,7 +20,7 @@ Compares the content and mode of the blobs found via two tree objects. If there is only one <tree-ish> given, the commit is compared with its parents (see --stdin below). -Note that "git-diff-tree" can use the tree encapsulated in a commit object. +Note that 'git-diff-tree' can use the tree encapsulated in a commit object. OPTIONS ------- @@ -58,25 +58,25 @@ behavior. This does not apply to the case where two <tree-ish> separated with a single space are given. -m:: - By default, "git-diff-tree --stdin" does not show + By default, 'git-diff-tree --stdin' does not show differences for merge commits. With this flag, it shows differences to that commit from all of its parents. See also '-c'. -s:: - By default, "git-diff-tree --stdin" shows differences, + By default, 'git-diff-tree --stdin' shows differences, either in machine-readable form (without '-p') or in patch form (with '-p'). This output can be suppressed. It is only useful with '-v' flag. -v:: - This flag causes "git-diff-tree --stdin" to also show + This flag causes 'git-diff-tree --stdin' to also show the commit message before the differences. include::pretty-options.txt[] --no-commit-id:: - git-diff-tree outputs a line with the commit ID when + 'git-diff-tree' outputs a line with the commit ID when applicable. This flag suppressed the commit ID output. -c:: @@ -112,13 +112,13 @@ Limiting Output If you're only interested in differences in a subset of files, for example some architecture-specific files, you might do: - git-diff-tree -r <tree-ish> <tree-ish> arch/ia64 include/asm-ia64 + git diff-tree -r <tree-ish> <tree-ish> arch/ia64 include/asm-ia64 and it will only show you what changed in those two directories. Or if you are searching for what changed in just `kernel/sched.c`, just do - git-diff-tree -r <tree-ish> <tree-ish> kernel/sched.c + git diff-tree -r <tree-ish> <tree-ish> kernel/sched.c and it will ignore all differences to other files. @@ -129,7 +129,7 @@ so it can be used to name subdirectories. An example of normal usage is: - torvalds@ppc970:~/git> git-diff-tree 5319e4...... + torvalds@ppc970:~/git> git diff-tree 5319e4...... *100664->100664 blob ac348b.......->a01513....... git-fsck-objects.c which tells you that the last commit changed just one file (it's from @@ -165,4 +165,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt index 57c28628bb..c53eba557d 100644 --- a/Documentation/git-diff.txt +++ b/Documentation/git-diff.txt @@ -8,14 +8,14 @@ git-diff - Show changes between commits, commit and working tree, etc SYNOPSIS -------- -'git-diff' [<common diff options>] <commit>{0,2} [--] [<path>...] +'git diff' [<common diff options>] <commit>{0,2} [--] [<path>...] DESCRIPTION ----------- Show changes between two trees, a tree and the working tree, a tree and the index file, or the index file and the working tree. -'git-diff' [--options] [--] [<path>...]:: +'git diff' [--options] [--] [<path>...]:: This form is to view the changes you made relative to the index (staging area for the next commit). In other @@ -27,14 +27,14 @@ If exactly two paths are given, and at least one is untracked, compare the two files / directories. This behavior can be forced by --no-index. -'git-diff' [--options] --cached [<commit>] [--] [<path>...]:: +'git diff' [--options] --cached [<commit>] [--] [<path>...]:: This form is to view the changes you staged for the next commit relative to the named <commit>. Typically you would want comparison with the latest commit, so if you do not give <commit>, it defaults to HEAD. -'git-diff' [--options] <commit> [--] [<path>...]:: +'git diff' [--options] <commit> [--] [<path>...]:: This form is to view the changes you have in your working tree relative to the named <commit>. You can @@ -42,23 +42,23 @@ forced by --no-index. branch name to compare with the tip of a different branch. -'git-diff' [--options] <commit> <commit> [--] [<path>...]:: +'git diff' [--options] <commit> <commit> [--] [<path>...]:: This is to view the changes between two arbitrary <commit>. -'git-diff' [--options] <commit>..<commit> [--] [<path>...]:: +'git diff' [--options] <commit>..<commit> [--] [<path>...]:: This is synonymous to the previous form. If <commit> on one side is omitted, it will have the same effect as using HEAD instead. -'git-diff' [--options] <commit>\...<commit> [--] [<path>...]:: +'git diff' [--options] <commit>\...<commit> [--] [<path>...]:: This form is to view the changes on the branch containing and up to the second <commit>, starting at a common ancestor - of both <commit>. "git-diff A\...B" is equivalent to - "git-diff $(git-merge-base A B) B". You can omit any one + of both <commit>. "git diff A\...B" is equivalent to + "git diff $(git-merge-base A B) B". You can omit any one of <commit>, which has the same effect as using HEAD instead. Just in case if you are doing something exotic, it should be @@ -168,4 +168,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fast-export.txt b/Documentation/git-fast-export.txt index 6dac475a0b..4956964d85 100644 --- a/Documentation/git-fast-export.txt +++ b/Documentation/git-fast-export.txt @@ -8,23 +8,23 @@ git-fast-export - Git data exporter SYNOPSIS -------- -'git-fast-export [options]' | 'git-fast-import' +'git fast-export [options]' | 'git fast-import' DESCRIPTION ----------- This program dumps the given revisions in a form suitable to be piped -into linkgit:git-fast-import[1]. +into 'git-fast-import'. You can use it as a human readable bundle replacement (see linkgit:git-bundle[1]), or as a kind of an interactive -linkgit:git-filter-branch[1]. +'git-filter-branch'. OPTIONS ------- --progress=<n>:: Insert 'progress' statements every <n> objects, to be shown by - linkgit:git-fast-import[1] during import. + 'git-fast-import' during import. --signed-tags=(verbatim|warn|strip|abort):: Specify how to handle signed tags. Since any transformation @@ -36,6 +36,26 @@ when encountering a signed tag. With 'strip', the tags will be made unsigned, with 'verbatim', they will be silently exported and with 'warn', they will be exported, but you will see a warning. +--export-marks=<file>:: + Dumps the internal marks table to <file> when complete. + Marks are written one per line as `:markid SHA-1`. Only marks + for revisions are dumped; marks for blobs are ignored. + Backends can use this file to validate imports after they + have been completed, or to save the marks table across + incremental runs. As <file> is only opened and truncated + at completion, the same path can also be safely given to + \--import-marks. + +--import-marks=<file>:: + Before processing any input, load the marks specified in + <file>. The input file must exist, must be readable, and + must use the same format as produced by \--export-marks. ++ +Any commits that have already been marked will not be exported again. +If the backend uses a similar \--import-marks file, this allows for +incremental bidirectional exporting of the repository by keeping the +marks the same across runs. + EXAMPLES -------- @@ -65,7 +85,7 @@ referenced by that revision range contains the string Limitations ----------- -Since linkgit:git-fast-import[1] cannot tag trees, you will not be +Since 'git-fast-import' cannot tag trees, you will not be able to export the linux-2.6.git repository completely, as it contains a tag referencing a tree instead of a commit. @@ -80,4 +100,4 @@ Documentation by Johannes E. Schindelin <johannes.schindelin@gmx.de>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fast-import.txt b/Documentation/git-fast-import.txt index c29a4f8126..2d01d0d100 100644 --- a/Documentation/git-fast-import.txt +++ b/Documentation/git-fast-import.txt @@ -8,14 +8,14 @@ git-fast-import - Backend for fast Git data importers SYNOPSIS -------- -frontend | 'git-fast-import' [options] +frontend | 'git fast-import' [options] DESCRIPTION ----------- This program is usually not what the end user wants to run directly. Most end users want to use one of the existing frontend programs, which parses a specific type of foreign source and feeds the contents -stored there to git-fast-import. +stored there to 'git-fast-import'. fast-import reads a mixed command/data stream from standard input and writes one or more packfiles directly into the current repository. @@ -24,7 +24,7 @@ updated branch and tag refs, fully updating the current repository with the newly imported data. The fast-import backend itself can import into an empty repository (one that -has already been initialized by linkgit:git-init[1]) or incrementally +has already been initialized by 'git-init') or incrementally update an existing populated repository. Whether or not incremental imports are supported from a particular foreign source depends on the frontend program in use. @@ -82,11 +82,11 @@ OPTIONS This information may be useful after importing projects whose total object set exceeds the 4 GiB packfile limit, as these commits can be used as edge points during calls - to linkgit:git-pack-objects[1]. + to 'git-pack-objects'. --quiet:: Disable all non-fatal output, making fast-import silent when it - is successful. This option disables the output shown by + is successful. This option disables the output shown by \--stats. --stats:: @@ -124,9 +124,9 @@ an ideal situation, given that most conversion tools are throw-away Parallel Operation ------------------ -Like `git-push` or `git-fetch`, imports handled by fast-import are safe to +Like 'git-push' or 'git-fetch', imports handled by fast-import are safe to run alongside parallel `git repack -a -d` or `git gc` invocations, -or any other Git operation (including `git prune`, as loose objects +or any other Git operation (including 'git-prune', as loose objects are never used by fast-import). fast-import does not lock the branch or tag refs it is actively importing. @@ -220,7 +220,7 @@ variation in formatting will cause fast-import to reject the value. + An example value is ``Tue Feb 6 11:22:18 2007 -0500''. The Git parser is accurate, but a little on the lenient side. It is the -same parser used by linkgit:git-am[1] when applying patches +same parser used by 'git-am' when applying patches received from email. + Some malformed strings may be accepted as valid dates. In some of @@ -256,7 +256,7 @@ timezone. This particular format is supplied as its short to implement and may be useful to a process that wants to create a new commit right now, without needing to use a working directory or -linkgit:git-update-index[1]. +'git-update-index'. + If separate `author` and `committer` commands are used in a `commit` the timestamps may not match, as the system clock will be polled @@ -654,7 +654,7 @@ recommended, as the frontend does not (easily) have access to the complete set of bytes which normally goes into such a signature. If signing is required, create lightweight tags from within fast-import with `reset`, then create the annotated versions of those tags offline -with the standard linkgit:git-tag[1] process. +with the standard 'git-tag' process. `reset` ~~~~~~~ @@ -803,7 +803,7 @@ Callers may wish to process the output through a tool such as sed to remove the leading part of the line, for example: ==== - frontend | git-fast-import | sed 's/^progress //' + frontend | git fast-import | sed 's/^progress //' ==== Placing a `progress` command immediately after a `checkpoint` will @@ -851,7 +851,7 @@ An example crash: M 777 inline bob END_OF_INPUT - $ git-fast-import <in + $ git fast-import <in fatal: Corrupt mode: M 777 inline bob fast-import: dumping crash report to .git/fast_import_crash_8434 @@ -955,7 +955,7 @@ is not `refs/heads/TAG_FIXUP`). When committing fixups, consider using `merge` to connect the commit(s) which are supplying file revisions to the fixup branch. -Doing so will allow tools such as linkgit:git-blame[1] to track +Doing so will allow tools such as 'git-blame' to track through the real commit history and properly annotate the source files. @@ -984,7 +984,7 @@ Repacking Historical Data ~~~~~~~~~~~~~~~~~~~~~~~~~ If you are repacking very old imported data (e.g. older than the last year), consider expending some extra CPU time and supplying -\--window=50 (or higher) when you run linkgit:git-repack[1]. +\--window=50 (or higher) when you run 'git-repack'. This will take longer, but will also produce a smaller packfile. You only need to expend the effort once, and everyone using your project will benefit from the smaller repository. @@ -1119,4 +1119,4 @@ Documentation by Shawn O. Pearce <spearce@spearce.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fetch-pack.txt b/Documentation/git-fetch-pack.txt index 57598eb056..47448da22e 100644 --- a/Documentation/git-fetch-pack.txt +++ b/Documentation/git-fetch-pack.txt @@ -8,14 +8,14 @@ git-fetch-pack - Receive missing objects from another repository SYNOPSIS -------- -'git-fetch-pack' [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...] +'git fetch-pack' [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...] DESCRIPTION ----------- -Usually you would want to use linkgit:git-fetch[1] which is a -higher level wrapper of this command instead. +Usually you would want to use 'git-fetch', which is a +higher level wrapper of this command, instead. -Invokes 'git-upload-pack' on a potentially remote repository, +Invokes 'git-upload-pack' on a possibly remote repository and asks it to send objects missing from this repository, to update the named heads. The list of commits available locally is found out by scanning local $GIT_DIR/refs/ and sent to @@ -28,30 +28,32 @@ have a common ancestor commit. OPTIONS ------- -\--all:: +--all:: Fetch all remote refs. -\--quiet, \-q:: +-q:: +--quiet:: Pass '-q' flag to 'git-unpack-objects'; this makes the cloning process less verbose. -\--keep, \-k:: +-k:: +--keep:: Do not invoke 'git-unpack-objects' on received data, but create a single packfile out of it instead, and store it in the object database. If provided twice then the pack is locked against repacking. -\--thin:: +--thin:: Spend extra cycles to minimize the number of objects to be sent. Use it on slower connection. -\--include-tag:: +--include-tag:: If the remote side supports it, annotated tags objects will be downloaded on the same connection as the other objects if the object the tag references is downloaded. The caller must otherwise determine the tags this option made available. -\--upload-pack=<git-upload-pack>:: +--upload-pack=<git-upload-pack>:: Use this to specify the path to 'git-upload-pack' on the remote side, if is not found on your $PATH. Installations of sshd ignores the user's environment @@ -63,16 +65,16 @@ OPTIONS shells by having a lean .bashrc file (they set most of the things up in .bash_profile). -\--exec=<git-upload-pack>:: +--exec=<git-upload-pack>:: Same as \--upload-pack=<git-upload-pack>. -\--depth=<n>:: +--depth=<n>:: Limit fetching to ancestor-chains not longer than n. -\--no-progress:: +--no-progress:: Do not show the progress. -\-v:: +-v:: Run verbosely. <host>:: @@ -99,4 +101,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fetch.txt b/Documentation/git-fetch.txt index d982f961fc..9e048a8a28 100644 --- a/Documentation/git-fetch.txt +++ b/Documentation/git-fetch.txt @@ -8,7 +8,7 @@ git-fetch - Download objects and refs from another repository SYNOPSIS -------- -'git-fetch' <options> <repository> <refspec>... +'git fetch' <options> <repository> <refspec>... DESCRIPTION @@ -18,7 +18,7 @@ the objects necessary to complete them. The ref names and their object names of fetched refs are stored in `.git/FETCH_HEAD`. This information is left for a later merge -operation done by "git merge". +operation done by 'git-merge'. When <refspec> stores the fetched result in tracking branches, the tags that point at these branches are automatically @@ -53,4 +53,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-filter-branch.txt b/Documentation/git-filter-branch.txt index 506c37af70..a3edc00246 100644 --- a/Documentation/git-filter-branch.txt +++ b/Documentation/git-filter-branch.txt @@ -8,7 +8,7 @@ git-filter-branch - Rewrite branches SYNOPSIS -------- [verse] -'git-filter-branch' [--env-filter <command>] [--tree-filter <command>] +'git filter-branch' [--env-filter <command>] [--tree-filter <command>] [--index-filter <command>] [--parent-filter <command>] [--msg-filter <command>] [--commit-filter <command>] [--tag-name-filter <command>] [--subdirectory-filter <directory>] @@ -95,7 +95,7 @@ OPTIONS This is the filter for rewriting the commit's parent list. It will receive the parent string on stdin and shall output the new parent string on stdout. The parent string is in - a format accepted by linkgit:git-commit-tree[1]: empty for + the format described in linkgit:git-commit-tree[1]: empty for the initial commit, "-p parent" for a normal commit and "-p parent1 -p parent2 -p parent3 ..." for a merge commit. @@ -108,18 +108,18 @@ OPTIONS --commit-filter <command>:: This is the filter for performing the commit. If this filter is specified, it will be called instead of the - linkgit:git-commit-tree[1] command, with arguments of the form + 'git-commit-tree' command, with arguments of the form "<TREE_ID> [-p <PARENT_COMMIT_ID>]..." and the log message on stdin. The commit id is expected on stdout. + As a special extension, the commit filter may emit multiple -commit ids; in that case, ancestors of the original commit will +commit ids; in that case, the rewritten children of the original commit will have all of them as parents. + You can use the 'map' convenience function in this filter, and other convenience functions, too. For example, calling 'skip_commit "$@"' will leave out the current commit (but not its changes! If you want -that, use linkgit:git-rebase[1] instead). +that, use 'git-rebase' instead). --tag-name-filter <command>:: This is the filter for rewriting tag names. When passed, @@ -161,14 +161,15 @@ to other tags will be rewritten to point to the underlying commit. does this in the '.git-rewrite/' directory but you can override that choice by this parameter. --f|--force:: - `git filter-branch` refuses to start with an existing temporary +-f:: +--force:: + 'git-filter-branch' refuses to start with an existing temporary directory or when there are already refs starting with 'refs/original/', unless forced. <rev-list-options>:: When options are given after the new branch name, they will - be passed to linkgit:git-rev-list[1]. Only commits in the resulting + be passed to 'git-rev-list'. Only commits in the resulting output will be filtered, although the filtered commits can still reference parents which are outside of that set. @@ -254,7 +255,7 @@ and all children of the merge will become merge commits with P1,P2 as their parents instead of the merge commit. You can rewrite the commit log messages using `--msg-filter`. For -example, `git-svn-id` strings in a repository created by `git-svn` can +example, 'git-svn-id' strings in a repository created by 'git-svn' can be removed this way: ------------------------------------------------------- @@ -265,13 +266,13 @@ git filter-branch --msg-filter ' To restrict rewriting to only part of the history, specify a revision range in addition to the new branch name. The new branch name will -point to the top-most revision that a 'git rev-list' of this range +point to the top-most revision that a 'git-rev-list' of this range will print. *NOTE* the changes introduced by the commits, and which are not reverted by subsequent commits, will still be in the rewritten branch. If you want to throw out _changes_ together with the commits, you should use the -interactive mode of linkgit:git-rebase[1]. +interactive mode of 'git-rebase'. Consider this history: @@ -317,4 +318,4 @@ Documentation by Petr Baudis and the git list. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fmt-merge-msg.txt b/Documentation/git-fmt-merge-msg.txt index 457cf42561..885edf005a 100644 --- a/Documentation/git-fmt-merge-msg.txt +++ b/Documentation/git-fmt-merge-msg.txt @@ -9,17 +9,17 @@ git-fmt-merge-msg - Produce a merge commit message SYNOPSIS -------- [verse] -git-fmt-merge-msg [--log | --no-log] <$GIT_DIR/FETCH_HEAD -git-fmt-merge-msg [--log | --no-log] -F <file> +'git fmt-merge-msg' [--log | --no-log] <$GIT_DIR/FETCH_HEAD +'git fmt-merge-msg' [--log | --no-log] -F <file> DESCRIPTION ----------- Takes the list of merged objects on stdin and produces a suitable commit message to be used for the merge commit, usually to be -passed as the '<merge-message>' argument of `git-merge`. +passed as the '<merge-message>' argument of 'git-merge'. This script is intended mostly for internal use by scripts -automatically invoking `git-merge`. +automatically invoking 'git-merge'. OPTIONS ------- @@ -33,11 +33,13 @@ OPTIONS Do not list one-line descriptions from the actual commits being merged. ---summary,--no-summary:: +--summary:: +--no-summary:: Synonyms to --log and --no-log; these are deprecated and will be removed in the future. ---file <file>, -F <file>:: +-F <file>:: +--file <file>:: Take the list of merged objects from <file> instead of stdin. @@ -67,4 +69,4 @@ Documentation by Petr Baudis, Junio C Hamano and the git-list <git@vger.kernel.o GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index f1f90cca62..727d84e673 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -8,9 +8,8 @@ git-for-each-ref - Output information on each ref SYNOPSIS -------- [verse] -'git-for-each-ref' [--count=<count>]\* - [--shell|--perl|--python|--tcl] - [--sort=<key>]\* [--format=<format>] [<pattern>] +'git for-each-ref' [--count=<count>] [--shell|--perl|--python|--tcl] + [--sort=<key>]\* [--format=<format>] [<pattern>...] DESCRIPTION ----------- @@ -32,8 +31,9 @@ OPTIONS <key>:: A field name to sort on. Prefix `-` to sort in descending order of the value. When unspecified, - `refname` is used. More than one sort keys can be - given. + `refname` is used. You may use the --sort=<key> option + multiple times, in which case the last key becomes the primary + key. <format>:: A string that interpolates `%(fieldname)` from the @@ -48,11 +48,15 @@ OPTIONS `%09` to `\t` (TAB) and `%0a` to `\n` (LF). <pattern>:: - If given, the name of the ref is matched against this - using fnmatch(3). Refs that do not match the pattern - are not shown. - ---shell, --perl, --python, --tcl:: + If one or more patterns are given, only refs are shown that + match againt at least one pattern, either using fnmatch(3) or + literally, in the latter case matching completely or from the + beginning up to a slash. + +--shell:: +--perl:: +--python:: +--tcl:: If given, strings that substitute `%(fieldname)` placeholders are quoted as string literals suitable for the specified host language. This is meant to produce @@ -75,7 +79,7 @@ objecttype:: The type of the object (`blob`, `tree`, `commit`, `tag`). objectsize:: - The size of the object (the same as `git-cat-file -s` reports). + The size of the object (the same as 'git-cat-file -s' reports). objectname:: The object name (aka SHA-1). @@ -115,7 +119,7 @@ An example directly producing formatted text. Show the most recent ------------ #!/bin/sh -git-for-each-ref --count=3 --sort='-*authordate' \ +git for-each-ref --count=3 --sort='-*authordate' \ --format='From: %(*authorname) %(*authoremail) Subject: %(*subject) Date: %(*authordate) @@ -131,7 +135,7 @@ demonstrating the use of --shell. List the prefixes of all heads:: ------------ #!/bin/sh -git-for-each-ref --shell --format="ref=%(refname)" refs/heads | \ +git for-each-ref --shell --format="ref=%(refname)" refs/heads | \ while read entry do eval "$entry" @@ -185,7 +189,7 @@ Its message reads as: fi ' -eval=`git-for-each-ref --shell --format="$fmt" \ +eval=`git for-each-ref --shell --format="$fmt" \ --sort='*objecttype' \ --sort=-taggerdate \ refs/tags` diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt index c60ce123ec..7c2ff3eb2d 100644 --- a/Documentation/git-format-patch.txt +++ b/Documentation/git-format-patch.txt @@ -9,7 +9,7 @@ git-format-patch - Prepare patches for e-mail submission SYNOPSIS -------- [verse] -'git-format-patch' [-k] [-o <dir> | --stdout] [--thread] +'git format-patch' [-k] [-o <dir> | --stdout] [--thread] [--attach[=<boundary>] | --inline[=<boundary>]] [-s | --signoff] [<common diff options>] [-n | --numbered | -N | --no-numbered] @@ -27,7 +27,7 @@ DESCRIPTION Prepare each commit with its patch in one file per commit, formatted to resemble UNIX mailbox format. The output of this command is convenient for e-mail submission or -for use with linkgit:git-am[1]. +for use with 'git-am'. There are two ways to specify which commits to operate on. @@ -61,7 +61,7 @@ they are created in the current working directory. If -n is specified, instead of "[PATCH] Subject", the first line is formatted as "[PATCH n/m] Subject". -If given --thread, git-format-patch will generate In-Reply-To and +If given --thread, 'git-format-patch' will generate In-Reply-To and References headers to make the second and subsequent patch mails appear as replies to the first mail; this also generates a Message-Id header to reference. @@ -74,14 +74,17 @@ include::diff-options.txt[] -<n>:: Limits the number of patches to prepare. --o|--output-directory <dir>:: +-o <dir>:: +--output-directory <dir>:: Use <dir> to store the resulting files, instead of the current working directory. --n|--numbered:: +-n:: +--numbered:: Name output in '[PATCH n/m]' format. --N|--no-numbered:: +-N:: +--no-numbered:: Name output in '[PATCH]' format. --start-number <n>:: @@ -92,11 +95,13 @@ include::diff-options.txt[] without the default first line of the commit appended. Mutually exclusive with the --stdout option. --k|--keep-subject:: +-k:: +--keep-subject:: Do not strip/add '[PATCH]' from the first line of the commit log message. --s|--signoff:: +-s:: +--signoff:: Add `Signed-off-by:` line to the commit message, using the committer identity of yourself. @@ -170,10 +175,10 @@ and file suffix, and number patches when outputting more than one. ------------ [format] - headers = "Organization: git-foo\n" - subjectprefix = CHANGE - suffix = .txt - numbered = auto + headers = "Organization: git-foo\n" + subjectprefix = CHANGE + suffix = .txt + numbered = auto cc = <email> ------------ @@ -182,10 +187,10 @@ EXAMPLES -------- * Extract commits between revisions R1 and R2, and apply them on top of -the current branch using `git-am` to cherry-pick them: +the current branch using 'git-am' to cherry-pick them: + ------------ -$ git format-patch -k --stdout R1..R2 | git-am -3 -k +$ git format-patch -k --stdout R1..R2 | git am -3 -k ------------ * Extract all commits which are in the current branch but not in the @@ -201,7 +206,7 @@ For each commit a separate file is created in the current directory. project: + ------------ -$ git format-patch \--root origin +$ git format-patch --root origin ------------ * The same as the previous one: @@ -223,7 +228,7 @@ as e-mailable patches: $ git format-patch -3 ------------ -See Also +SEE ALSO -------- linkgit:git-am[1], linkgit:git-send-email[1] @@ -238,4 +243,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-fsck-objects.txt b/Documentation/git-fsck-objects.txt index 6e9f717642..965a8279c1 100644 --- a/Documentation/git-fsck-objects.txt +++ b/Documentation/git-fsck-objects.txt @@ -8,7 +8,7 @@ git-fsck-objects - Verifies the connectivity and validity of the objects in the SYNOPSIS -------- -'git-fsck-objects' ... +'git fsck-objects' ... DESCRIPTION ----------- diff --git a/Documentation/git-fsck.txt b/Documentation/git-fsck.txt index 4cc26fb744..d5a7647219 100644 --- a/Documentation/git-fsck.txt +++ b/Documentation/git-fsck.txt @@ -9,7 +9,7 @@ git-fsck - Verifies the connectivity and validity of the objects in the database SYNOPSIS -------- [verse] -'git-fsck' [--tags] [--root] [--unreachable] [--cache] [--no-reflogs] +'git fsck' [--tags] [--root] [--unreachable] [--cache] [--no-reflogs] [--full] [--strict] [--verbose] [--lost-found] [<object>*] DESCRIPTION @@ -21,7 +21,7 @@ OPTIONS <object>:: An object to treat as the head of an unreachability trace. + -If no objects are given, git-fsck defaults to using the +If no objects are given, 'git-fsck' defaults to using the index file, all SHA1 references in .git/refs/*, and all reflogs (unless --no-reflogs is given) as heads. @@ -79,15 +79,15 @@ that aren't readable from any of the specified head nodes. So for example - git-fsck --unreachable HEAD $(cat .git/refs/heads/*) + git fsck --unreachable HEAD $(cat .git/refs/heads/*) will do quite a _lot_ of verification on the tree. There are a few extra validity tests to be added (make sure that tree objects are -sorted properly etc), but on the whole if "git-fsck" is happy, you +sorted properly etc), but on the whole if 'git-fsck' is happy, you do have a valid tree. Any corrupt objects you will have to find in backups or other archives -(i.e., you can just remove them and do an "rsync" with some other site in +(i.e., you can just remove them and do an 'rsync' with some other site in the hopes that somebody else has the object you have corrupted). Of course, "valid tree" doesn't mean that it wasn't generated by some @@ -151,4 +151,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt index b6b5ce1519..7086eea74a 100644 --- a/Documentation/git-gc.txt +++ b/Documentation/git-gc.txt @@ -8,20 +8,20 @@ git-gc - Cleanup unnecessary files and optimize the local repository SYNOPSIS -------- -'git-gc' [--aggressive] [--auto] [--quiet] +'git gc' [--aggressive] [--auto] [--quiet] DESCRIPTION ----------- Runs a number of housekeeping tasks within the current repository, such as compressing file revisions (to reduce disk space and increase performance) and removing unreachable objects which may have been -created from prior invocations of linkgit:git-add[1]. +created from prior invocations of 'git-add'. Users are encouraged to run this task on a regular basis within each repository to maintain good disk space utilization and good operating performance. -Some git commands may automatically run `git-gc`; see the `--auto` flag +Some git commands may automatically run 'git-gc'; see the `--auto` flag below for details. If you know what you're doing and all you want is to disable this behavior permanently without further considerations, just do: @@ -35,13 +35,13 @@ OPTIONS --aggressive:: Usually 'git-gc' runs very quickly while providing good disk space utilization and performance. This option will cause - git-gc to more aggressively optimize the repository at the expense + 'git-gc' to more aggressively optimize the repository at the expense of taking much more time. The effects of this optimization are persistent, so this option only needs to be used occasionally; every few hundred changesets or so. --auto:: - With this option, `git gc` checks whether any housekeeping is + With this option, 'git-gc' checks whether any housekeeping is required; if not, it exits without performing any work. Some git commands run `git gc --auto` after performing operations that could create many loose objects. @@ -50,13 +50,13 @@ Housekeeping is required if there are too many loose objects or too many packs in the repository. If the number of loose objects exceeds the value of the `gc.auto` configuration variable, then all loose objects are combined into a single pack using -`git-repack -d -l`. Setting the value of `gc.auto` to 0 +'git-repack -d -l'. Setting the value of `gc.auto` to 0 disables automatic packing of loose objects. + If the number of packs exceeds the value of `gc.autopacklimit`, then existing packs (except those marked with a `.keep` file) are consolidated into a single pack by using the `-A` option of -`git-repack`. Setting `gc.autopacklimit` to 0 disables +'git-repack'. Setting `gc.autopacklimit` to 0 disables automatic consolidation of packs. --quiet:: @@ -89,7 +89,7 @@ how long records of conflicted merge you have not resolved are kept. This defaults to 15 days. The optional configuration variable 'gc.packrefs' determines if -`git gc` runs `git-pack-refs`. This can be set to "nobare" to enable +'git-gc' runs 'git-pack-refs'. This can be set to "nobare" to enable it within all non-bare repos or it can be set to a boolean value. This defaults to true. @@ -108,10 +108,10 @@ default is "2 weeks ago". Notes ----- -git-gc tries very hard to be safe about the garbage it collects. In +'git-gc' tries very hard to be safe about the garbage it collects. In particular, it will keep not only objects referenced by your current set of branches and tags, but also objects referenced by the index, remote -tracking branches, refs saved by linkgit:git-filter-branch[1] in +tracking branches, refs saved by 'git-filter-branch' in refs/original/, or reflogs (which may references commits in branches that were later amended or rewound). @@ -119,7 +119,7 @@ If you are expecting some objects to be collected and they aren't, check all of those locations and decide whether it makes sense in your case to remove those references. -See Also +SEE ALSO -------- linkgit:git-prune[1] linkgit:git-reflog[1] @@ -132,4 +132,4 @@ Written by Shawn O. Pearce <spearce@spearce.org> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-get-tar-commit-id.txt b/Documentation/git-get-tar-commit-id.txt index dea41490c4..84f23ee525 100644 --- a/Documentation/git-get-tar-commit-id.txt +++ b/Documentation/git-get-tar-commit-id.txt @@ -8,18 +8,18 @@ git-get-tar-commit-id - Extract commit ID from an archive created using git-arch SYNOPSIS -------- -'git-get-tar-commit-id' < <tarfile> +'git get-tar-commit-id' < <tarfile> DESCRIPTION ----------- Acts as a filter, extracting the commit ID stored in archives created by -linkgit:git-archive[1]. It reads only the first 1024 bytes of input, thus its +'git-archive'. It reads only the first 1024 bytes of input, thus its runtime is not influenced by the size of <tarfile> very much. -If no commit ID is found, git-get-tar-commit-id quietly exists with a +If no commit ID is found, 'git-get-tar-commit-id' quietly exists with a return code of 1. This can happen if <tarfile> had not been created -using git-archive or if the first parameter of git-archive had been +using 'git-archive' or if the first parameter of 'git-archive' had been a tree ID instead of a commit ID or tag. @@ -33,4 +33,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index a97f0557f4..fa4d133c1b 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -9,7 +9,7 @@ git-grep - Print lines matching a pattern SYNOPSIS -------- [verse] -'git-grep' [--cached] +'git grep' [--cached] [-a | --text] [-I] [-i | --ignore-case] [-w | --word-regexp] [-v | --invert-match] [-h|-H] [--full-name] [-E | --extended-regexp] [-G | --basic-regexp] @@ -33,25 +33,30 @@ OPTIONS Instead of searching in the working tree files, check the blobs registered in the index file. --a | --text:: +-a:: +--text:: Process binary files as if they were text. --i | --ignore-case:: +-i:: +--ignore-case:: Ignore case differences between the patterns and the files. -I:: Don't match the pattern in binary files. --w | --word-regexp:: +-w:: +--word-regexp:: Match the pattern only at word boundary (either begin at the beginning of a line, or preceded by a non-word character; end at the end of a line or followed by a non-word character). --v | --invert-match:: +-v:: +--invert-match:: Select non-matching lines. --h | -H:: +-h:: +-H:: By default, the command shows the filename for each match. `-h` option is used to suppress this output. `-H` is there for completeness and does not do anything @@ -64,24 +69,33 @@ OPTIONS option forces paths to be output relative to the project top directory. --E | --extended-regexp | -G | --basic-regexp:: +-E:: +--extended-regexp:: +-G:: +--basic-regexp:: Use POSIX extended/basic regexp for patterns. Default is to use basic regexp. --F | --fixed-strings:: +-F:: +--fixed-strings:: Use fixed strings for patterns (don't interpret pattern as a regex). -n:: Prefix the line number to matching lines. --l | --files-with-matches | --name-only | -L | --files-without-match:: +-l:: +--files-with-matches:: +--name-only:: +-L:: +--files-without-match:: Instead of showing every matched line, show only the names of files that contain (or do not contain) matches. - For better compatibility with git-diff, --name-only is a + For better compatibility with 'git-diff', --name-only is a synonym for --files-with-matches. --c | --count:: +-c:: +--count:: Instead of showing every matched line, show the number of lines that match. @@ -103,7 +117,10 @@ OPTIONS scripts passing user input to grep. Multiple patterns are combined by 'or'. ---and | --or | --not | ( | ):: +--and:: +--or:: +--not:: +( ... ):: Specify how multiple patterns are combined using Boolean expressions. `--or` is the default operator. `--and` has higher precedence than `--or`. `-e` has to be used for all @@ -145,4 +162,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-gui.txt b/Documentation/git-gui.txt index 6d6cd5d87c..0e650f497b 100644 --- a/Documentation/git-gui.txt +++ b/Documentation/git-gui.txt @@ -11,19 +11,19 @@ SYNOPSIS DESCRIPTION ----------- -A Tcl/Tk based graphical user interface to Git. git-gui focuses +A Tcl/Tk based graphical user interface to Git. 'git-gui' focuses on allowing users to make changes to their repository by making new commits, amending existing ones, creating branches, performing local merges, and fetching/pushing to remote repositories. -Unlike linkgit:gitk[1], git-gui focuses on commit generation -and single file annotation, and does not show project history. -It does however supply menu actions to start a gitk session from -within git-gui. +Unlike 'gitk', 'git-gui' focuses on commit generation +and single file annotation and does not show project history. +It does however supply menu actions to start a 'gitk' session from +within 'git-gui'. -git-gui is known to work on all popular UNIX systems, Mac OS X, +'git-gui' is known to work on all popular UNIX systems, Mac OS X, and Windows (under both Cygwin and MSYS). To the extent possible -OS specific user interface guidelines are followed, making git-gui +OS specific user interface guidelines are followed, making 'git-gui' a fairly native interface for users. COMMANDS @@ -34,17 +34,17 @@ blame:: browser:: Start a tree browser showing all files in the specified - commit (or 'HEAD' by default). Files selected through the + commit (or 'HEAD' by default). Files selected through the browser are opened in the blame viewer. citool:: - Start git-gui and arrange to make exactly one commit before + Start 'git-gui' and arrange to make exactly one commit before exiting and returning to the shell. The interface is limited to only commit actions, slightly reducing the application's startup time and simplifying the menubar. version:: - Display the currently running version of git-gui. + Display the currently running version of 'git-gui'. Examples @@ -61,7 +61,7 @@ git gui blame Makefile:: git gui blame v0.99.8 Makefile:: Show the contents of 'Makefile' in revision 'v0.99.8' - and provide annotations for each line. Unlike the above + and provide annotations for each line. Unlike the above example the file is read from the object database and not the working directory. @@ -71,7 +71,7 @@ git gui citool:: git citool:: - Same as 'git gui citool' (above). + Same as `git gui citool` (above). git gui browser maint:: @@ -79,20 +79,20 @@ git gui browser maint:: selected in the browser can be viewed with the internal blame viewer. -See Also +SEE ALSO -------- -'gitk(1)':: +linkgit:gitk[1]:: The git repository browser. Shows branches, commit history and file differences. gitk is the utility started by - git-gui's Repository Visualize actions. + 'git-gui''s Repository Visualize actions. Other ----- -git-gui is actually maintained as an independent project, but stable +'git-gui' is actually maintained as an independent project, but stable versions are distributed as part of the Git suite for the convenience of end users. -A git-gui development repository can be obtained from: +A 'git-gui' development repository can be obtained from: git clone git://repo.or.cz/git-gui.git @@ -112,4 +112,4 @@ Documentation by Shawn O. Pearce <spearce@spearce.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-hash-object.txt b/Documentation/git-hash-object.txt index 33030c022f..9e654fc41c 100644 --- a/Documentation/git-hash-object.txt +++ b/Documentation/git-hash-object.txt @@ -8,7 +8,7 @@ git-hash-object - Compute object ID and optionally creates a blob from a file SYNOPSIS -------- -'git-hash-object' [-t <type>] [-w] [--stdin] [--] <file>... +'git hash-object' [-t <type>] [-w] [--stdin | --stdin-paths] [--] <file>... DESCRIPTION ----------- @@ -16,7 +16,7 @@ Computes the object ID value for an object with specified type with the contents of the named file (which can be outside of the work tree), and optionally writes the resulting object into the object database. Reports its object ID to its standard output. -This is used by "git-cvsimport" to update the index +This is used by 'git-cvsimport' to update the index without modifying files in the work tree. When <type> is not specified, it defaults to "blob". @@ -32,6 +32,9 @@ OPTIONS --stdin:: Read the object from standard input instead of from a file. +--stdin-paths:: + Read file names from stdin instead of from the command-line. + Author ------ Written by Junio C Hamano <junkio@cox.net> @@ -42,4 +45,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-help.txt b/Documentation/git-help.txt index bfbba9e235..f414583fc4 100644 --- a/Documentation/git-help.txt +++ b/Documentation/git-help.txt @@ -23,20 +23,23 @@ If a git command is named, a manual page for that command is brought up. The 'man' program is used by default for this purpose, but this can be overridden by other options or configuration variables. -Note that 'git --help ...' is identical as 'git help ...' because the +Note that `git --help ...` is identical to `git help ...` because the former is internally converted into the latter. OPTIONS ------- --a|--all:: +-a:: +--all:: Prints all the available commands on the standard output. This option supersedes any other option. --i|--info:: +-i:: +--info:: Display manual page for the command in the 'info' format. The 'info' program will be used for that purpose. --m|--man:: +-m:: +--man:: Display manual page for the command in the 'man' format. This option may be used to override a value set in the 'help.format' configuration variable. @@ -45,7 +48,8 @@ By default the 'man' program will be used to display the manual page, but the 'man.viewer' configuration variable may be used to choose other display programs (see below). --w|--web:: +-w:: +--web:: Display manual page for the command in the 'web' (HTML) format. A web browser will be used for that purpose. + @@ -116,7 +120,7 @@ man.<tool>.path You can explicitly provide a full path to your preferred man viewer by setting the configuration variable 'man.<tool>.path'. For example, you can configure the absolute path to konqueror by setting -'man.konqueror.path'. Otherwise, 'git help' assumes the tool is +'man.konqueror.path'. Otherwise, 'git-help' assumes the tool is available in PATH. man.<tool>.cmd @@ -172,10 +176,10 @@ Written by Junio C Hamano <gitster@pobox.com> and the git-list Documentation ------------- -Initial documentation was part of the linkgit:git[7] man page. +Initial documentation was part of the linkgit:git[1] man page. Christian Couder <chriscool@tuxfamily.org> extracted and rewrote it a little. Maintenance is done by the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-http-fetch.txt b/Documentation/git-http-fetch.txt index b784a9d07e..e7c796155f 100644 --- a/Documentation/git-http-fetch.txt +++ b/Documentation/git-http-fetch.txt @@ -8,7 +8,7 @@ git-http-fetch - Download from a remote git repository via HTTP SYNOPSIS -------- -'git-http-fetch' [-c] [-t] [-a] [-d] [-v] [-w filename] [--recover] [--stdin] <commit> <url> +'git http-fetch' [-c] [-t] [-a] [-d] [-v] [-w filename] [--recover] [--stdin] <commit> <url> DESCRIPTION ----------- @@ -53,4 +53,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-http-push.txt b/Documentation/git-http-push.txt index 0b82722342..aef383e0b1 100644 --- a/Documentation/git-http-push.txt +++ b/Documentation/git-http-push.txt @@ -8,15 +8,15 @@ git-http-push - Push objects over HTTP/DAV to another repository SYNOPSIS -------- -'git-http-push' [--all] [--dry-run] [--force] [--verbose] <url> <ref> [<ref>...] +'git http-push' [--all] [--dry-run] [--force] [--verbose] <url> <ref> [<ref>...] DESCRIPTION ----------- Sends missing objects to remote repository, and updates the remote branch. -*NOTE*: This command is temporarily disabled if your cURL -library is older than 7.16, as the combination has been reported +*NOTE*: This command is temporarily disabled if your libcurl +is older than 7.16, as the combination has been reported not to work and sometimes corrupts repository. OPTIONS @@ -40,7 +40,8 @@ OPTIONS Report the list of objects being walked locally and the list of objects successfully sent to the remote repository. --d, -D:: +-d:: +-D:: Remove <ref> from remote repository. The specified branch cannot be the remote HEAD. If -d is specified the following other conditions must also be met: @@ -101,4 +102,4 @@ Documentation by Nick Hengeveld GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-imap-send.txt b/Documentation/git-imap-send.txt index 522b73c12f..b3d8da33ee 100644 --- a/Documentation/git-imap-send.txt +++ b/Documentation/git-imap-send.txt @@ -8,7 +8,7 @@ git-imap-send - Dump a mailbox from stdin into an imap folder SYNOPSIS -------- -'git-imap-send' +'git imap-send' DESCRIPTION @@ -20,13 +20,13 @@ files directly. Typical usage is something like: -git-format-patch --signoff --stdout --attach origin | git-imap-send +git format-patch --signoff --stdout --attach origin | git imap-send CONFIGURATION ------------- -git-imap-send requires the following values in the repository +'git-imap-send' requires the following values in the repository configuration file (shown with examples): .......................... @@ -59,4 +59,4 @@ Documentation by Mike McCormack GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt index a7825b6144..4b5c743c1e 100644 --- a/Documentation/git-index-pack.txt +++ b/Documentation/git-index-pack.txt @@ -9,8 +9,8 @@ git-index-pack - Build pack index file for an existing packed archive SYNOPSIS -------- [verse] -'git-index-pack' [-v] [-o <index-file>] <pack-file> -'git-index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>] +'git index-pack' [-v] [-o <index-file>] <pack-file> +'git index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>] [<pack-file>] @@ -43,10 +43,10 @@ OPTIONS a default name determined from the pack content. If <pack-file> is not specified consider using --keep to prevent a race condition between this process and - linkgit:git-repack[1]. + 'git-repack'. --fix-thin:: - It is possible for linkgit:git-pack-objects[1] to build + It is possible for 'git-pack-objects' to build "thin" pack, which records objects in deltified form based on objects not included in the pack to reduce network traffic. Those objects are expected to be present on the receiving end @@ -59,7 +59,7 @@ OPTIONS Before moving the index into its final destination create an empty .keep file for the associated pack file. This option is usually necessary with --stdin to prevent a - simultaneous linkgit:git-repack[1] process from deleting + simultaneous 'git-repack' process from deleting the newly constructed pack and index before refs can be updated to use objects contained in the pack. @@ -86,7 +86,7 @@ Once the index has been created, the list of object names is sorted and the SHA1 hash of that list is printed to stdout. If --stdin was also used then this is prefixed by either "pack\t", or "keep\t" if a new .keep file was successfully created. This is useful to remove a -.keep file used as a lock to prevent the race with linkgit:git-repack[1] +.keep file used as a lock to prevent the race with 'git-repack' mentioned above. @@ -100,4 +100,4 @@ Documentation by Sergey Vlasov GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-init-db.txt b/Documentation/git-init-db.txt index 439cabb737..1fd0ff2610 100644 --- a/Documentation/git-init-db.txt +++ b/Documentation/git-init-db.txt @@ -8,7 +8,7 @@ git-init-db - Creates an empty git repository SYNOPSIS -------- -'git-init-db' [-q | --quiet] [--template=<template_directory>] [--shared[=<permissions>]] +'git init-db' [-q | --quiet] [--template=<template_directory>] [--shared[=<permissions>]] DESCRIPTION diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt index b17ae8485c..71749c09d3 100644 --- a/Documentation/git-init.txt +++ b/Documentation/git-init.txt @@ -8,7 +8,7 @@ git-init - Create an empty git repository or reinitialize an existing one SYNOPSIS -------- -'git-init' [-q | --quiet] [--template=<template_directory>] [--shared[=<permissions>]] +'git init' [-q | --quiet] [--bare] [--template=<template_directory>] [--shared[=<permissions>]] OPTIONS @@ -16,10 +16,16 @@ OPTIONS -- --q, \--quiet:: +-q:: +--quiet:: Only print error and warning messages, all other output will be suppressed. +--bare:: + +Create a bare repository. If GIT_DIR environment is not set, it is set to the +current working directory. + --template=<template_directory>:: Provide the directory from which templates will be used. The default template @@ -80,11 +86,11 @@ If the object storage directory is specified via the `$GIT_OBJECT_DIRECTORY` environment variable then the sha1 directories are created underneath - otherwise the default `$GIT_DIR/objects` directory is used. -Running `git-init` in an existing repository is safe. It will not overwrite -things that are already there. The primary reason for rerunning `git-init` +Running 'git-init' in an existing repository is safe. It will not overwrite +things that are already there. The primary reason for rerunning 'git-init' is to pick up newly added templates. -Note that `git-init` is the same as `git-init-db`. The command +Note that 'git-init' is the same as 'git-init-db'. The command was primarily meant to initialize the object database, but over time it has become responsible for setting up the other aspects of the repository, such as installing the default hooks and @@ -99,8 +105,8 @@ Start a new git repository for an existing code base:: + ---------------- $ cd /path/to/my/codebase -$ git-init <1> -$ git-add . <2> +$ git init <1> +$ git add . <2> ---------------- + <1> prepare /path/to/my/codebase/.git directory @@ -117,4 +123,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-instaweb.txt b/Documentation/git-instaweb.txt index 51f1532ef7..22da21a54f 100644 --- a/Documentation/git-instaweb.txt +++ b/Documentation/git-instaweb.txt @@ -8,36 +8,41 @@ git-instaweb - Instantly browse your working repository in gitweb SYNOPSIS -------- [verse] -'git-instaweb' [--local] [--httpd=<httpd>] [--port=<port>] +'git instaweb' [--local] [--httpd=<httpd>] [--port=<port>] [--browser=<browser>] -'git-instaweb' [--start] [--stop] [--restart] +'git instaweb' [--start] [--stop] [--restart] DESCRIPTION ----------- -A simple script to setup gitweb and a web server for browsing the local +A simple script to set up `gitweb` and a web server for browsing the local repository. OPTIONS ------- --l|--local:: +-l:: +--local:: Only bind the web server to the local IP (127.0.0.1). --d|--httpd:: +-d:: +--httpd:: The HTTP daemon command-line that will be executed. Command-line options may be specified here, and the configuration file will be added at the end of the command-line. Currently lighttpd, apache2 and webrick are supported. (Default: lighttpd) --m|--module-path:: +-m:: +--module-path:: The module path (only needed if httpd is Apache). (Default: /usr/lib/apache2/modules) --p|--port:: +-p:: +--port:: The port number to bind the httpd to. (Default: 1234) --b|--browser:: +-b:: +--browser:: The web browser that should be used to view the gitweb page. This will be passed to the 'git-web--browse' helper script along with the URL of the gitweb instance. See @@ -86,4 +91,4 @@ Documentation by Eric Wong <normalperson@yhbt.net>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index ebaee4b334..5a58d5b03d 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -8,15 +8,15 @@ git-log - Show commit logs SYNOPSIS -------- -'git-log' <option>... +'git log' <option>... DESCRIPTION ----------- Shows the commit logs. -The command takes options applicable to the linkgit:git-rev-list[1] +The command takes options applicable to the 'git-rev-list' command to control what is shown and how, and options applicable to -the linkgit:git-diff-tree[1] commands to control how the changes +the 'git-diff-*' commands to control how the changes each commit introduces are shown. @@ -112,4 +112,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-lost-found.txt b/Documentation/git-lost-found.txt index b1c797f109..602b8d5d4d 100644 --- a/Documentation/git-lost-found.txt +++ b/Documentation/git-lost-found.txt @@ -7,7 +7,7 @@ git-lost-found - Recover lost refs that luckily have not yet been pruned SYNOPSIS -------- -'git-lost-found' +'git lost-found' DESCRIPTION ----------- @@ -78,4 +78,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt index da9ebf405c..f43af41740 100644 --- a/Documentation/git-ls-files.txt +++ b/Documentation/git-ls-files.txt @@ -9,7 +9,7 @@ git-ls-files - Show information about files in the index and the working tree SYNOPSIS -------- [verse] -'git-ls-files' [-z] [-t] [-v] +'git ls-files' [-z] [-t] [-v] (--[cached|deleted|others|ignored|stage|unmerged|killed|modified])\* (-[c|d|o|i|s|u|k|m])\* [-x <pattern>|--exclude=<pattern>] @@ -30,23 +30,29 @@ shown: OPTIONS ------- --c|--cached:: +-c:: +--cached:: Show cached files in the output (default) --d|--deleted:: +-d:: +--deleted:: Show deleted files in the output --m|--modified:: +-m:: +--modified:: Show modified files in the output --o|--others:: +-o:: +--others:: Show other files in the output --i|--ignored:: +-i:: +--ignored:: Show ignored files in the output. Note that this also reverses any exclude list present. --s|--stage:: +-s:: +--stage:: Show stage files in the output --directory:: @@ -56,10 +62,12 @@ OPTIONS --no-empty-directory:: Do not list empty directories. Has no effect without --directory. --u|--unmerged:: +-u:: +--unmerged:: Show unmerged files in the output (forces --stage) --k|--killed:: +-k:: +--killed:: Show files on the filesystem that need to be removed due to file/directory conflicts for checkout-index to succeed. @@ -67,11 +75,13 @@ OPTIONS -z:: \0 line termination on output. --x|--exclude=<pattern>:: +-x <pattern>:: +--exclude=<pattern>:: Skips files matching pattern. Note that pattern is a shell wildcard pattern. --X|--exclude-from=<file>:: +-X <file>:: +--exclude-from=<file>:: exclude patterns are read from <file>; 1 per line. --exclude-per-directory=<file>:: @@ -133,14 +143,14 @@ which case it outputs: [<tag> ]<mode> <object> <stage> <file> -"git-ls-files --unmerged" and "git-ls-files --stage" can be used to examine +'git-ls-files --unmerged' and 'git-ls-files --stage' can be used to examine detailed information on unmerged paths. For an unmerged path, instead of recording a single mode/SHA1 pair, the index records up to three such pairs; one from tree O in stage 1, A in stage 2, and B in stage 3. This information can be used by the user (or the porcelain) to see what should eventually be recorded at the -path. (see git-read-tree for more information on state) +path. (see linkgit:git-read-tree[1] for more information on state) When `-z` option is not used, TAB, LF, and backslash characters in pathnames are represented as `\t`, `\n`, and `\\`, @@ -177,7 +187,7 @@ top of the directory tree. A pattern read from a file specified by --exclude-per-directory is relative to the directory that the pattern file appears in. -See Also +SEE ALSO -------- linkgit:git-read-tree[1], linkgit:gitignore[5] @@ -192,4 +202,4 @@ Documentation by David Greaves, Junio C Hamano, Josh Triplett, and the git-list GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-ls-remote.txt b/Documentation/git-ls-remote.txt index c5ba0aad13..4f252441ed 100644 --- a/Documentation/git-ls-remote.txt +++ b/Documentation/git-ls-remote.txt @@ -9,7 +9,7 @@ git-ls-remote - List references in a remote repository SYNOPSIS -------- [verse] -'git-ls-remote' [--heads] [--tags] [-u <exec> | --upload-pack <exec>] +'git ls-remote' [--heads] [--tags] [-u <exec> | --upload-pack <exec>] <repository> <refs>... DESCRIPTION @@ -20,14 +20,18 @@ commit IDs. OPTIONS ------- --h|--heads, -t|--tags:: +-h:: +--heads:: +-t:: +--tags:: Limit to only refs/heads and refs/tags, respectively. These options are _not_ mutually exclusive; when given both, references stored in refs/heads and refs/tags are displayed. --u <exec>, --upload-pack=<exec>:: - Specify the full path of linkgit:git-upload-pack[1] on the remote +-u <exec>:: +--upload-pack=<exec>:: + Specify the full path of 'git-upload-pack' on the remote host. This allows listing references from repositories accessed via SSH and where the SSH daemon does not use the PATH configured by the user. @@ -69,4 +73,4 @@ Written by Junio C Hamano <junkio@cox.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-ls-tree.txt b/Documentation/git-ls-tree.txt index 360c0a1b98..1cdec222a1 100644 --- a/Documentation/git-ls-tree.txt +++ b/Documentation/git-ls-tree.txt @@ -9,7 +9,7 @@ git-ls-tree - List the contents of a tree object SYNOPSIS -------- [verse] -'git-ls-tree' [-d] [-r] [-t] [-l] [-z] +'git ls-tree' [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--abbrev=[<n>]] <tree-ish> [paths...] @@ -91,4 +91,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mailinfo.txt b/Documentation/git-mailinfo.txt index 3846f0e6eb..cc52db3bef 100644 --- a/Documentation/git-mailinfo.txt +++ b/Documentation/git-mailinfo.txt @@ -8,7 +8,7 @@ git-mailinfo - Extracts patch and authorship from a single e-mail message SYNOPSIS -------- -'git-mailinfo' [-k] [-u | --encoding=<encoding>] <msg> <patch> +'git mailinfo' [-k] [-u | --encoding=<encoding>] <msg> <patch> DESCRIPTION @@ -16,7 +16,7 @@ DESCRIPTION Reading a single e-mail message from the standard input, and writes the commit log message in <msg> file, and the patches in <patch> file. The author name, e-mail and e-mail subject are -written out to the standard output to be used by git-am +written out to the standard output to be used by 'git-am' to create a commit. It is usually not necessary to use this command directly. See linkgit:git-am[1] instead. @@ -29,8 +29,8 @@ OPTIONS among which (1) remove 'Re:' or 're:', (2) leading whitespaces, (3) '[' up to ']', typically '[PATCH]', and then prepends "[PATCH] ". This flag forbids this - munging, and is most useful when used to read back 'git - format-patch -k' output. + munging, and is most useful when used to read back + 'git-format-patch -k' output. -u:: The commit log message, author name and author email are @@ -66,4 +66,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mailsplit.txt b/Documentation/git-mailsplit.txt index 8243f69113..acd712b1cd 100644 --- a/Documentation/git-mailsplit.txt +++ b/Documentation/git-mailsplit.txt @@ -7,7 +7,7 @@ git-mailsplit - Simple UNIX mbox splitter program SYNOPSIS -------- -'git-mailsplit' [-b] [-f<nn>] [-d<prec>] -o<directory> [--] [<mbox>|<Maildir>...] +'git mailsplit' [-b] [-f<nn>] [-d<prec>] -o<directory> [--] [<mbox>|<Maildir>...] DESCRIPTION ----------- @@ -27,7 +27,7 @@ OPTIONS Root of the Maildir to split. This directory should contain the cur, tmp and new subdirectories. -<directory>:: +-o<directory>:: Directory in which to place the individual messages. -b:: @@ -55,4 +55,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge-base.txt b/Documentation/git-merge-base.txt index 07f78b4ae0..1a7ecbf8f3 100644 --- a/Documentation/git-merge-base.txt +++ b/Documentation/git-merge-base.txt @@ -8,20 +8,20 @@ git-merge-base - Find as good common ancestors as possible for a merge SYNOPSIS -------- -'git-merge-base' [--all] <commit> <commit> +'git merge-base' [--all] <commit> <commit> DESCRIPTION ----------- -"git-merge-base" finds as good a common ancestor as possible between -the two commits. That is, given two commits A and B 'git-merge-base A -B' will output a commit which is reachable from both A and B through +'git-merge-base' finds as good a common ancestor as possible between +the two commits. That is, given two commits A and B, `git merge-base A +B` will output a commit which is reachable from both A and B through the parent relationship. Given a selection of equally good common ancestors it should not be relied on to decide in any particular way. -The "git-merge-base" algorithm is still in flux - use the source... +The 'git-merge-base' algorithm is still in flux - use the source... OPTIONS ------- @@ -39,4 +39,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge-file.txt b/Documentation/git-merge-file.txt index c513184ba0..024ec015a3 100644 --- a/Documentation/git-merge-file.txt +++ b/Documentation/git-merge-file.txt @@ -9,21 +9,21 @@ git-merge-file - Run a three-way file merge SYNOPSIS -------- [verse] -'git-merge-file' [-L <current-name> [-L <base-name> [-L <other-name>]]] +'git merge-file' [-L <current-name> [-L <base-name> [-L <other-name>]]] [-p|--stdout] [-q|--quiet] <current-file> <base-file> <other-file> DESCRIPTION ----------- -git-file-merge incorporates all changes that lead from the `<base-file>` +'git-file-merge' incorporates all changes that lead from the `<base-file>` to `<other-file>` into `<current-file>`. The result ordinarily goes into -`<current-file>`. git-merge-file is useful for combining separate changes +`<current-file>`. 'git-merge-file' is useful for combining separate changes to an original. Suppose `<base-file>` is the original, and both `<current-file>` and `<other-file>` are modifications of `<base-file>`. -Then git-merge-file combines both changes. +Then 'git-merge-file' combines both changes. A conflict occurs if both `<current-file>` and `<other-file>` have changes -in a common segment of lines. If a conflict is found, git-merge-file +in a common segment of lines. If a conflict is found, 'git-merge-file' normally outputs a warning and brackets the conflict with <<<<<<< and >>>>>>> lines. A typical conflict will look like this: @@ -39,8 +39,8 @@ the alternatives. The exit value of this program is negative on error, and the number of conflicts otherwise. If the merge was clean, the exit value is 0. -git-merge-file is designed to be a minimal clone of RCS merge, that is, it -implements all of RCS merge's functionality which is needed by +'git-merge-file' is designed to be a minimal clone of RCS 'merge'; that is, it +implements all of RCS 'merge''s functionality which is needed by linkgit:git[1]. @@ -51,7 +51,7 @@ OPTIONS This option may be given up to three times, and specifies labels to be used in place of the corresponding file names in conflict reports. That is, - `git-merge-file -L x -L y -L z a b c` generates output that + `git merge-file -L x -L y -L z a b c` generates output that looks like it came from files x, y and z instead of from files a, b and c. @@ -85,8 +85,8 @@ Written by Johannes Schindelin <johannes.schindelin@gmx.de> Documentation -------------- Documentation by Johannes Schindelin and the git-list <git@vger.kernel.org>, -with parts copied from the original documentation of RCS merge. +with parts copied from the original documentation of RCS 'merge'. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge-index.txt b/Documentation/git-merge-index.txt index 19ee017aed..ff088c5c29 100644 --- a/Documentation/git-merge-index.txt +++ b/Documentation/git-merge-index.txt @@ -8,7 +8,7 @@ git-merge-index - Run a merge for files needing merging SYNOPSIS -------- -'git-merge-index' [-o] [-q] <merge-program> (-a | [--] <file>\*) +'git merge-index' [-o] [-q] <merge-program> (-a | [--] <file>\*) DESCRIPTION ----------- @@ -36,24 +36,24 @@ OPTIONS failure usually indicates conflicts during merge). This is for porcelains which might want to emit custom messages. -If "git-merge-index" is called with multiple <file>s (or -a) then it +If 'git-merge-index' is called with multiple <file>s (or -a) then it processes them in turn only stopping if merge returns a non-zero exit code. Typically this is run with a script calling git's imitation of -the merge command from the RCS package. +the 'merge' command from the RCS package. -A sample script called "git-merge-one-file" is included in the +A sample script called 'git-merge-one-file' is included in the distribution. ALERT ALERT ALERT! The git "merge object order" is different from the -RCS "merge" program merge object order. In the above ordering, the +RCS 'merge' program merge object order. In the above ordering, the original is first. But the argument order to the 3-way merge program -"merge" is to have the original in the middle. Don't ask me why. +'merge' is to have the original in the middle. Don't ask me why. Examples: - torvalds@ppc970:~/merge-test> git-merge-index cat MM + torvalds@ppc970:~/merge-test> git merge-index cat MM This is MM from the original tree. # original This is modified MM in the branch A. # merge1 This is modified MM in the branch B. # merge2 @@ -61,17 +61,17 @@ Examples: or - torvalds@ppc970:~/merge-test> git-merge-index cat AA MM + torvalds@ppc970:~/merge-test> git merge-index cat AA MM cat: : No such file or directory This is added AA in the branch A. This is added AA in the branch B. This is added AA in the branch B. fatal: merge program failed -where the latter example shows how "git-merge-index" will stop trying to -merge once anything has returned an error (i.e., "cat" returned an error +where the latter example shows how 'git-merge-index' will stop trying to +merge once anything has returned an error (i.e., `cat` returned an error for the AA file, because it didn't exist in the original, and thus -"git-merge-index" didn't even try to merge the MM thing). +'git-merge-index' didn't even try to merge the MM thing). Author ------ @@ -84,4 +84,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge-one-file.txt b/Documentation/git-merge-one-file.txt index ee95df3bc0..1dd134538d 100644 --- a/Documentation/git-merge-one-file.txt +++ b/Documentation/git-merge-one-file.txt @@ -12,8 +12,8 @@ SYNOPSIS DESCRIPTION ----------- -This is the standard helper program to use with "git-merge-index" -to resolve a merge after the trivial merge done with "git-read-tree -m". +This is the standard helper program to use with 'git-merge-index' +to resolve a merge after the trivial merge done with 'git-read-tree -m'. Author ------ @@ -26,4 +26,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge-tree.txt b/Documentation/git-merge-tree.txt index 4cc0964e78..dbb0c18668 100644 --- a/Documentation/git-merge-tree.txt +++ b/Documentation/git-merge-tree.txt @@ -8,7 +8,7 @@ git-merge-tree - Show three-way merge without touching index SYNOPSIS -------- -'git-merge-tree' <base-tree> <branch1> <branch2> +'git merge-tree' <base-tree> <branch1> <branch2> DESCRIPTION ----------- @@ -33,4 +33,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index ef1f055c85..62f99b5f3b 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -9,9 +9,9 @@ git-merge - Join two or more development histories together SYNOPSIS -------- [verse] -'git-merge' [-n] [--stat] [--no-commit] [--squash] [-s <strategy>]... +'git merge' [-n] [--stat] [--no-commit] [--squash] [-s <strategy>]... [-m <msg>] <remote> <remote>... -'git-merge' <msg> HEAD <remote>... +'git merge' <msg> HEAD <remote>... DESCRIPTION ----------- @@ -29,8 +29,8 @@ include::merge-options.txt[] -m <msg>:: The commit message to be used for the merge commit (in case - it is created). The `git-fmt-merge-msg` script can be used - to give a good default for automated `git-merge` invocations. + it is created). The 'git-fmt-merge-msg' script can be used + to give a good default for automated 'git-merge' invocations. <remote>:: Other branch head merged into our branch. You need at @@ -41,8 +41,7 @@ include::merge-strategies.txt[] If you tried a merge which resulted in a complex conflicts and -would want to start over, you can recover with -linkgit:git-reset[1]. +would want to start over, you can recover with 'git-reset'. CONFIGURATION ------------- @@ -50,7 +49,7 @@ include::merge-config.txt[] branch.<name>.mergeoptions:: Sets default options for merging into branch <name>. The syntax and - supported options are equal to that of git-merge, but option values + supported options are equal to that of 'git-merge', but option values containing whitespace characters are currently not supported. HOW MERGE WORKS @@ -60,7 +59,7 @@ A merge is always between the current `HEAD` and one or more commits (usually, branch head or tag), and the index file must exactly match the tree of `HEAD` commit (i.e. the contents of the last commit) when -it happens. In other words, `git-diff --cached HEAD` must +it happens. In other words, `git diff --cached HEAD` must report no changes. [NOTE] @@ -85,7 +84,7 @@ with `git pull remote rbranch:lbranch`, but your working tree, `.git/HEAD` pointer and index file are left intact). You may have local modifications in the working tree files. In -other words, `git-diff` is allowed to report changes. +other words, 'git-diff' is allowed to report changes. However, the merge uses your working tree as the working area, and in order to prevent the merge operation from losing such changes, it makes sure that they do not interfere with the @@ -128,7 +127,7 @@ When there are conflicts, these things happen: 3. For conflicting paths, the index file records up to three versions; stage1 stores the version from the common ancestor, stage2 from `HEAD`, and stage3 from the remote branch (you - can inspect the stages with `git-ls-files -u`). The working + can inspect the stages with `git ls-files -u`). The working tree files have the result of "merge" program; i.e. 3-way merge result with familiar conflict markers `<<< === >>>`. @@ -141,21 +140,24 @@ After seeing a conflict, you can do two things: * Decide not to merge. The only clean-up you need are to reset the index file to the `HEAD` commit to reverse 2. and to clean - up working tree changes made by 2. and 3.; `git-reset` can + up working tree changes made by 2. and 3.; 'git-reset' can be used for this. - * Resolve the conflicts. `git-diff` would report only the - conflicting paths because of the above 2. and 3.. Edit the - working tree files into a desirable shape, `git-add` or `git-rm` + * Resolve the conflicts. `git diff` would report only the + conflicting paths because of the above 2. and 3. Edit the + working tree files into a desirable shape, 'git-add' or 'git-rm' them, to make the index file contain what the merge result - should be, and run `git-commit` to commit the result. + should be, and run 'git-commit' to commit the result. SEE ALSO -------- linkgit:git-fmt-merge-msg[1], linkgit:git-pull[1], -linkgit:gitattributes[5] - +linkgit:gitattributes[5], +linkgit:git-reset[1], +linkgit:git-diff[1], linkgit:git-ls-files[1], +linkgit:git-add[1], linkgit:git-rm[1], +linkgit:git-mergetool[1] Author ------ @@ -168,4 +170,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt index 8ed44947ef..31570b1e27 100644 --- a/Documentation/git-mergetool.txt +++ b/Documentation/git-mergetool.txt @@ -7,17 +7,17 @@ git-mergetool - Run merge conflict resolution tools to resolve merge conflicts SYNOPSIS -------- -'git-mergetool' [--tool=<tool>] [<file>]... +'git mergetool' [--tool=<tool>] [<file>]... DESCRIPTION ----------- Use `git mergetool` to run one of several merge utilities to resolve -merge conflicts. It is typically run after linkgit:git-merge[1]. +merge conflicts. It is typically run after 'git-merge'. If one or more <file> parameters are given, the merge tool program will be run to resolve differences on each file. If no <file> names are -specified, `git mergetool` will run the merge tool program on every file +specified, 'git-mergetool' will run the merge tool program on every file with merge conflicts. OPTIONS @@ -27,23 +27,23 @@ OPTIONS Valid merge tools are: kdiff3, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge, and opendiff + -If a merge resolution program is not specified, `git mergetool` +If a merge resolution program is not specified, 'git-mergetool' will use the configuration variable `merge.tool`. If the -configuration variable `merge.tool` is not set, `git mergetool` +configuration variable `merge.tool` is not set, 'git-mergetool' will pick a suitable default. + You can explicitly provide a full path to the tool by setting the configuration variable `mergetool.<tool>.path`. For example, you can configure the absolute path to kdiff3 by setting -`mergetool.kdiff3.path`. Otherwise, `git mergetool` assumes the +`mergetool.kdiff3.path`. Otherwise, 'git-mergetool' assumes the tool is available in PATH. + Instead of running one of the known merge tool programs -`git mergetool` can be customized to run an alternative program +'git-mergetool' can be customized to run an alternative program by specifying the command line to invoke in a configration variable `mergetool.<tool>.cmd`. + -When `git mergetool` is invoked with this tool (either through the +When 'git-mergetool' is invoked with this tool (either through the `-t` or `--tool` option or the `merge.tool` configuration variable) the configured command line will be invoked with `$BASE` set to the name of a temporary file containing the common base for @@ -57,7 +57,7 @@ merge resolution. If the custom merge tool correctly indicates the success of a merge resolution with its exit code then the configuration variable `mergetool.<tool>.trustExitCode` can be set to `true`. -Otherwise, `git mergetool` will prompt the user to indicate the +Otherwise, 'git-mergetool' will prompt the user to indicate the success of the resolution after the custom tool has exited. Author @@ -70,4 +70,4 @@ Documentation by Theodore Y Ts'o. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mktag.txt b/Documentation/git-mktag.txt index 82db9f5d8f..8bcc11443d 100644 --- a/Documentation/git-mktag.txt +++ b/Documentation/git-mktag.txt @@ -8,7 +8,7 @@ git-mktag - Creates a tag object SYNOPSIS -------- -'git-mktag' < signature_file +'git mktag' < signature_file DESCRIPTION ----------- @@ -43,4 +43,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mktree.txt b/Documentation/git-mktree.txt index f312036ab5..0be32e2612 100644 --- a/Documentation/git-mktree.txt +++ b/Documentation/git-mktree.txt @@ -8,7 +8,7 @@ git-mktree - Build a tree-object from ls-tree formatted text SYNOPSIS -------- -'git-mktree' [-z] +'git mktree' [-z] DESCRIPTION ----------- @@ -31,4 +31,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-mv.txt b/Documentation/git-mv.txt index bff3fbe745..9c5660275b 100644 --- a/Documentation/git-mv.txt +++ b/Documentation/git-mv.txt @@ -8,14 +8,14 @@ git-mv - Move or rename a file, a directory, or a symlink SYNOPSIS -------- -'git-mv' <options>... <args>... +'git mv' <options>... <args>... DESCRIPTION ----------- This script is used to move or rename a file, directory or symlink. - git-mv [-f] [-n] <source> <destination> - git-mv [-f] [-n] [-k] <source> ... <destination directory> + git mv [-f] [-n] <source> <destination> + git mv [-f] [-n] [-k] <source> ... <destination directory> In the first form, it renames <source>, which must exist and be either a file, symlink or directory, to <destination>. @@ -34,7 +34,8 @@ OPTIONS condition. An error happens when a source is neither existing nor controlled by GIT, or when it would overwrite an existing file unless '-f' is given. --n, \--dry-run:: +-n:: +--dry-run:: Do nothing; only show what would happen @@ -50,4 +51,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-name-rev.txt b/Documentation/git-name-rev.txt index efcabdc272..6e77ab1353 100644 --- a/Documentation/git-name-rev.txt +++ b/Documentation/git-name-rev.txt @@ -9,13 +9,13 @@ git-name-rev - Find symbolic names for given revs SYNOPSIS -------- [verse] -'git-name-rev' [--tags] [--refs=<pattern>] +'git name-rev' [--tags] [--refs=<pattern>] ( --all | --stdin | <committish>... ) DESCRIPTION ----------- Finds symbolic names suitable for human digestion for revisions given in any -format parsable by git-rev-parse. +format parsable by 'git-rev-parse'. OPTIONS @@ -38,9 +38,16 @@ OPTIONS Instead of printing both the SHA-1 and the name, print only the name. If given with --tags the usual tag prefix of "tags/" is also omitted from the name, matching the output - of linkgit:git-describe[1] more closely. This option + of 'git-describe' more closely. This option cannot be combined with --stdin. +--no-undefined:: + Die with error code != 0 when a reference is undefined, + instead of printing `undefined`. + +--always:: + Show uniquely abbreviated commit object as fallback. + EXAMPLE ------- @@ -49,7 +56,7 @@ wrote you about that fantastic commit 33db5f4d9027a10e477ccf054b2c1ab94f74c85a. Of course, you look into the commit, but that only tells you what happened, but not the context. -Enter git-name-rev: +Enter 'git-name-rev': ------------ % git name-rev 33db5f4d9027a10e477ccf054b2c1ab94f74c85a @@ -75,4 +82,4 @@ Documentation by Johannes Schindelin. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt index 3a1be08186..8c354bd470 100644 --- a/Documentation/git-pack-objects.txt +++ b/Documentation/git-pack-objects.txt @@ -9,7 +9,7 @@ git-pack-objects - Create a packed archive of objects SYNOPSIS -------- [verse] -'git-pack-objects' [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty] +'git pack-objects' [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty] [--local] [--incremental] [--window=N] [--depth=N] [--all-progress] [--revs [--unpacked | --all]*] [--stdout | base-name] < object-list @@ -30,7 +30,7 @@ Placing both in the pack/ subdirectory of $GIT_OBJECT_DIRECTORY (or any of the directories on $GIT_ALTERNATE_OBJECT_DIRECTORIES) enables git to read from such an archive. -'git-unpack-objects' command can read the packed archive and +The 'git-unpack-objects' command can read the packed archive and expand the objects contained in the pack into "one-file one-object" format; this is typically done by the smart-pull commands when a pack is created on-the-fly for efficient network @@ -59,7 +59,7 @@ base-name:: --revs:: Read the revision arguments from the standard input, instead of individual object names. The revision arguments are processed - the same way as linkgit:git-rev-list[1] with `--objects` flag + the same way as 'git-rev-list' with the `--objects` flag uses its `commit` arguments to build the list of objects it outputs. The objects on the resulting list are packed. @@ -79,7 +79,8 @@ base-name:: reference was included in the resulting packfile. This can be useful to send new tags to native git clients. ---window=[N], --depth=[N]:: +--window=[N]:: +--depth=[N]:: These two options affect how the objects contained in the pack are stored using delta compression. The objects are first internally sorted by type, size and @@ -162,14 +163,14 @@ base-name:: generated pack. If not specified, pack compression level is determined first by pack.compression, then by core.compression, and defaults to -1, the zlib default, if neither is set. - Add \--no-reuse-object if you want to force a uniform compression + Add --no-reuse-object if you want to force a uniform compression level on all data no matter the source. --delta-base-offset:: A packed archive can express base object of a delta as either 20-byte object name or as an offset in the stream, but older version of git does not understand the - latter. By default, git-pack-objects only uses the + latter. By default, 'git-pack-objects' only uses the former format for better compatibility. This option allows the command to use the latter format for compactness. Depending on the average delta chain @@ -200,7 +201,7 @@ Documentation ------------- Documentation by Junio C Hamano -See Also +SEE ALSO -------- linkgit:git-rev-list[1] linkgit:git-repack[1] @@ -208,4 +209,4 @@ linkgit:git-prune-packed[1] GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-pack-redundant.txt b/Documentation/git-pack-redundant.txt index af4aa4a2e5..5f9435e59b 100644 --- a/Documentation/git-pack-redundant.txt +++ b/Documentation/git-pack-redundant.txt @@ -8,21 +8,21 @@ git-pack-redundant - Find redundant pack files SYNOPSIS -------- -'git-pack-redundant' [ --verbose ] [ --alt-odb ] < --all | .pack filename ... > +'git pack-redundant' [ --verbose ] [ --alt-odb ] < --all | .pack filename ... > DESCRIPTION ----------- This program computes which packs in your repository are redundant. The output is suitable for piping to -'xargs rm' if you are in the root of the repository. +`xargs rm` if you are in the root of the repository. -git-pack-redundant accepts a list of objects on standard input. Any objects +'git-pack-redundant' accepts a list of objects on standard input. Any objects given will be ignored when checking which packs are required. This makes the following command useful when wanting to remove packs which contain unreachable objects. -git-fsck --full --unreachable | cut -d ' ' -f3 | \ -git-pack-redundant --all | xargs rm +git fsck --full --unreachable | cut -d ' ' -f3 | \ +git pack-redundant --all | xargs rm OPTIONS ------- @@ -46,7 +46,7 @@ Documentation -------------- Documentation by Lukas Sandström <lukass@etek.chalmers.se> -See Also +SEE ALSO -------- linkgit:git-pack-objects[1] linkgit:git-repack[1] @@ -54,4 +54,4 @@ linkgit:git-prune-packed[1] GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-pack-refs.txt b/Documentation/git-pack-refs.txt index e4ff934711..a5244d35f4 100644 --- a/Documentation/git-pack-refs.txt +++ b/Documentation/git-pack-refs.txt @@ -7,7 +7,7 @@ git-pack-refs - Pack heads and tags for efficient repository access SYNOPSIS -------- -'git-pack-refs' [--all] [--no-prune] +'git pack-refs' [--all] [--no-prune] DESCRIPTION ----------- @@ -31,7 +31,7 @@ Subsequent updates to branches always creates new file under A recommended practice to deal with a repository with too many refs is to pack its refs with `--all --prune` once, and -occasionally run `git-pack-refs \--prune`. Tags are by +occasionally run `git pack-refs \--prune`. Tags are by definition stationary and are not expected to change. Branch heads will be packed with the initial `pack-refs --all`, but only the currently active branch heads will become unpacked, @@ -42,7 +42,7 @@ unpacked. OPTIONS ------- -\--all:: +--all:: The command by default packs all tags and refs that are already packed, and leaves other refs @@ -51,7 +51,7 @@ developed and packing their tips does not help performance. This option causes branch tips to be packed as well. Useful for a repository with many branches of historical interests. -\--no-prune:: +--no-prune:: The command usually removes loose refs under `$GIT_DIR/refs` hierarchy after packing them. This option tells it not to. @@ -63,4 +63,4 @@ Written by Linus Torvalds <torvalds@osdl.org> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-parse-remote.txt b/Documentation/git-parse-remote.txt index deb8b2f01e..cd43069874 100644 --- a/Documentation/git-parse-remote.txt +++ b/Documentation/git-parse-remote.txt @@ -8,7 +8,7 @@ git-parse-remote - Routines to help parsing remote repository access parameters SYNOPSIS -------- -'. git-parse-remote' +'. "$(git --exec-path)/git-parse-remote"' DESCRIPTION ----------- @@ -32,7 +32,7 @@ get_remote_refs_for_fetch:: get_remote_refs_for_push:: Given the list of user-supplied `<repo> <refspec>...`, return the list of refs to push in a form suitable to be - fed to the `git-send-pack` command. When `<refspec>...` + fed to the 'git-send-pack' command. When `<refspec>...` is empty the returned list of refs consists of the defaults for the given `<repo>`, if specified in `$GIT_DIR/remotes/`. @@ -47,4 +47,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-patch-id.txt b/Documentation/git-patch-id.txt index 894852a78b..477785e134 100644 --- a/Documentation/git-patch-id.txt +++ b/Documentation/git-patch-id.txt @@ -7,7 +7,7 @@ git-patch-id - Compute unique ID for a patch SYNOPSIS -------- -'git-patch-id' < <patch> +'git patch-id' < <patch> DESCRIPTION ----------- @@ -18,7 +18,7 @@ ID" are almost guaranteed to be the same thing. IOW, you can use this thing to look for likely duplicate commits. -When dealing with git-diff-tree output, it takes advantage of +When dealing with 'git-diff-tree' output, it takes advantage of the fact that the patch is prefixed with the object name of the commit, and outputs two 40-byte hexadecimal string. The first string is the patch ID, and the second string is the commit ID. @@ -39,4 +39,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-peek-remote.txt b/Documentation/git-peek-remote.txt index 0001710072..79c03ee7f7 100644 --- a/Documentation/git-peek-remote.txt +++ b/Documentation/git-peek-remote.txt @@ -8,15 +8,15 @@ git-peek-remote - List the references in a remote repository SYNOPSIS -------- -'git-peek-remote' [--upload-pack=<git-upload-pack>] [<host>:]<directory> +'git peek-remote' [--upload-pack=<git-upload-pack>] [<host>:]<directory> DESCRIPTION ----------- -This command is deprecated; use `git-ls-remote` instead. +This command is deprecated; use 'git-ls-remote' instead. OPTIONS ------- -\--upload-pack=<git-upload-pack>:: +--upload-pack=<git-upload-pack>:: Use this to specify the path to 'git-upload-pack' on the remote side, if it is not found on your $PATH. Some installations of sshd ignores the user's environment @@ -47,4 +47,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-prune-packed.txt b/Documentation/git-prune-packed.txt index 93ee82ae57..b5f26cee13 100644 --- a/Documentation/git-prune-packed.txt +++ b/Documentation/git-prune-packed.txt @@ -8,7 +8,7 @@ git-prune-packed - Remove extra objects that are already in pack files SYNOPSIS -------- -'git-prune-packed' [-n] [-q] +'git prune-packed' [-n] [-q] DESCRIPTION @@ -42,11 +42,11 @@ Documentation -------------- Documentation by Ryan Anderson <ryan@michonline.com> -See Also +SEE ALSO -------- linkgit:git-pack-objects[1] linkgit:git-repack[1] GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-prune.txt b/Documentation/git-prune.txt index 3178bc44ca..54f1dab38d 100644 --- a/Documentation/git-prune.txt +++ b/Documentation/git-prune.txt @@ -13,16 +13,16 @@ SYNOPSIS DESCRIPTION ----------- -NOTE: In most cases, users should run linkgit:git-gc[1], which calls -git-prune. See the section "NOTES", below. +NOTE: In most cases, users should run 'git-gc', which calls +'git-prune'. See the section "NOTES", below. -This runs `git-fsck --unreachable` using all the refs +This runs 'git-fsck --unreachable' using all the refs available in `$GIT_DIR/refs`, optionally with additional set of objects specified on the command line, and prunes all unpacked objects unreachable from any of these head objects from the object database. In addition, it prunes the unpacked objects that are also found in packs by -running `git prune-packed`. +running 'git-prune-packed'. Note that unreachable, packed objects will remain. If this is not desired, see linkgit:git-repack[1]. @@ -37,7 +37,7 @@ OPTIONS \--:: Do not interpret any more arguments as options. -\--expire <time>:: +--expire <time>:: Only expire loose objects older than <time>. <head>...:: @@ -53,20 +53,20 @@ borrows from your repository via its `.git/objects/info/alternates`: ------------ -$ git prune $(cd ../another && $(git-rev-parse --all)) +$ git prune $(cd ../another && $(git rev-parse --all)) ------------ Notes ----- -In most cases, users will not need to call git-prune directly, but -should instead call linkgit:git-gc[1], which handles pruning along with +In most cases, users will not need to call 'git-prune' directly, but +should instead call 'git-gc', which handles pruning along with many other housekeeping tasks. For a description of which objects are considered for pruning, see -git-fsck's --unreachable option. +'git-fsck''s --unreachable option. -See Also +SEE ALSO -------- linkgit:git-fsck[1], @@ -83,4 +83,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 66304f0255..092d1b8a3e 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -8,21 +8,21 @@ git-pull - Fetch from and merge with another repository or a local branch SYNOPSIS -------- -'git-pull' <options> <repository> <refspec>... +'git pull' <options> <repository> <refspec>... DESCRIPTION ----------- -Runs `git-fetch` with the given parameters, and calls `git-merge` +Runs 'git-fetch' with the given parameters, and calls 'git-merge' to merge the retrieved head(s) into the current branch. -With `--rebase`, calls `git-rebase` instead of `git-merge`. +With `--rebase`, calls 'git-rebase' instead of 'git-merge'. Note that you can use `.` (current directory) as the <repository> to pull from the local repository -- this is useful when merging local branches into the current branch. -Also note that options meant for `git-pull` itself and underlying -`git-merge` must be given before the options meant for `git-fetch`. +Also note that options meant for 'git-pull' itself and underlying +'git-merge' must be given before the options meant for 'git-fetch'. OPTIONS ------- @@ -30,7 +30,7 @@ include::merge-options.txt[] :git-pull: 1 -\--rebase:: +--rebase:: Instead of a merge, perform a rebase after fetching. If there is a remote ref for the upstream branch, and this branch was rebased since last fetched, the rebase uses that information @@ -38,13 +38,14 @@ include::merge-options.txt[] for branch `<name>`, set configuration `branch.<name>.rebase` to `true`. + -*NOTE:* This is a potentially _dangerous_ mode of operation. +[NOTE] +This is a potentially _dangerous_ mode of operation. It rewrites history, which does not bode well when you published that history already. Do *not* use this option unless you have read linkgit:git-rebase[1] carefully. -\--no-rebase:: - Override earlier \--rebase. +--no-rebase:: + Override earlier --rebase. include::fetch-options.txt[] @@ -181,8 +182,7 @@ The final command then merges the newly fetched `tmp` into master. If you tried a pull which resulted in a complex conflicts and -would want to start over, you can recover with -linkgit:git-reset[1]. +would want to start over, you can recover with 'git-reset'. SEE ALSO @@ -203,4 +203,4 @@ Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt index f06d94e318..c44dce374a 100644 --- a/Documentation/git-push.txt +++ b/Documentation/git-push.txt @@ -9,7 +9,7 @@ git-push - Update remote refs along with associated objects SYNOPSIS -------- [verse] -'git-push' [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] +'git push' [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v | --verbose] [<repository> <refspec>...] DESCRIPTION @@ -46,12 +46,6 @@ specified, the same ref that <src> referred to locally). If the optional leading plus `+` is used, the remote ref is updated even if it does not result in a fast forward update. + -Note: If no explicit refspec is found, (that is neither -on the command line nor in any Push line of the -corresponding remotes file---see below), then "matching" heads are -pushed: for every head that exists on the local side, the remote side is -updated if a head of the same name already exists on the remote side. -+ `tag <tag>` means the same as `refs/tags/<tag>:refs/tags/<tag>`. + A parameter <ref> without a colon pushes the <ref> from the source @@ -59,14 +53,22 @@ repository to the destination repository under the same name. + Pushing an empty <src> allows you to delete the <dst> ref from the remote repository. - -\--all:: ++ +The special refspec `:` (or `+:` to allow non-fast forward updates) +directs git to push "matching" heads: for every head that exists on +the local side, the remote side is updated if a head of the same name +already exists on the remote side. This is the default operation mode +if no explicit refspec is found (that is neither on the command line +nor in any Push line of the corresponding remotes file---see below). + +--all:: Instead of naming each ref to push, specifies that all refs under `$GIT_DIR/refs/heads/` be pushed. -\--mirror:: +--mirror:: Instead of naming each ref to push, specifies that all - refs under `$GIT_DIR/refs/heads/` and `$GIT_DIR/refs/tags/` + refs under `$GIT_DIR/refs/` (which includes but is not + limited to `refs/heads/`, `refs/remotes/`, and `refs/tags/`) be mirrored to the remote repository. Newly created local refs will be pushed to the remote end, locally updated refs will be force updated on the remote end, and deleted refs @@ -74,39 +76,42 @@ the remote repository. if the configuration option `remote.<remote>.mirror` is set. -\--dry-run:: +--dry-run:: Do everything except actually send the updates. -\--tags:: +--tags:: All refs under `$GIT_DIR/refs/tags` are pushed, in addition to refspecs explicitly listed on the command line. -\--receive-pack=<git-receive-pack>:: +--receive-pack=<git-receive-pack>:: Path to the 'git-receive-pack' program on the remote end. Sometimes useful when pushing to a remote repository over ssh, and you do not have the program in a directory on the default $PATH. -\--exec=<git-receive-pack>:: +--exec=<git-receive-pack>:: Same as \--receive-pack=<git-receive-pack>. --f, \--force:: +-f:: +--force:: Usually, the command refuses to update a remote ref that is not an ancestor of the local ref used to overwrite it. This flag disables the check. This can cause the remote repository to lose commits; use it with care. -\--repo=<repo>:: +--repo=<repo>:: When no repository is specified the command defaults to "origin"; this overrides it. -\--thin, \--no-thin:: - These options are passed to `git-send-pack`. Thin +--thin:: +--no-thin:: + These options are passed to 'git-send-pack'. Thin transfer spends extra cycles to minimize the number of objects to be sent and meant to be used on slower connection. --v, \--verbose:: +-v:: +--verbose:: Run verbosely. include::urls-remotes.txt[] @@ -199,4 +204,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-quiltimport.txt b/Documentation/git-quiltimport.txt index 0fc2b56c12..d4037de512 100644 --- a/Documentation/git-quiltimport.txt +++ b/Documentation/git-quiltimport.txt @@ -9,7 +9,7 @@ git-quiltimport - Applies a quilt patchset onto the current branch SYNOPSIS -------- [verse] -'git-quiltimport' [--dry-run] [--author <author>] [--patches <dir>] +'git quiltimport' [--dry-run] [--author <author>] [--patches <dir>] DESCRIPTION @@ -29,6 +29,8 @@ preserved as the 1 line subject in the git description. OPTIONS ------- + +-n:: --dry-run:: Walk through the patches in the series and warn if we cannot find all of the necessary information to commit @@ -57,4 +59,4 @@ Documentation by Eric Biederman <ebiederm@lnxi.com> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-read-tree.txt b/Documentation/git-read-tree.txt index 8421d1fd78..6f4b9b017f 100644 --- a/Documentation/git-read-tree.txt +++ b/Documentation/git-read-tree.txt @@ -8,7 +8,7 @@ git-read-tree - Reads tree information into the index SYNOPSIS -------- -'git-read-tree' (<tree-ish> | [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] [--index-output=<file>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]) +'git read-tree' (<tree-ish> | [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] [--index-output=<file>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]) DESCRIPTION @@ -22,8 +22,8 @@ fast-forward (i.e. 2-way) merge, or a 3-way merge, with the `-m` flag. When used with `-m`, the `-u` flag causes it to also update the files in the work tree with the result of the merge. -Trivial merges are done by `git-read-tree` itself. Only conflicting paths -will be in unmerged state when `git-read-tree` returns. +Trivial merges are done by 'git-read-tree' itself. Only conflicting paths +will be in unmerged state when 'git-read-tree' returns. OPTIONS ------- @@ -50,14 +50,17 @@ OPTIONS trees that are not directly related to the current working tree status into a temporary index file. +-v:: + Show the progress of checking files out. + --trivial:: - Restrict three-way merge by `git-read-tree` to happen + Restrict three-way merge by 'git-read-tree' to happen only if there is no file-level merging required, instead of resolving merge for trivial cases and leaving conflicting files unresolved in the index. --aggressive:: - Usually a three-way merge by `git-read-tree` resolves + Usually a three-way merge by 'git-read-tree' resolves the merge for really trivial cases and leaves other cases unresolved in the index, so that Porcelains can implement different merge policies. This flag makes the @@ -110,7 +113,7 @@ OPTIONS Merging ------- -If `-m` is specified, `git-read-tree` can perform 3 kinds of +If `-m` is specified, 'git-read-tree' can perform 3 kinds of merge, a single tree merge if only 1 tree is given, a fast-forward merge with 2 trees, or a 3-way merge if 3 trees are provided. @@ -118,29 +121,29 @@ provided. Single Tree Merge ~~~~~~~~~~~~~~~~~ -If only 1 tree is specified, git-read-tree operates as if the user did not +If only 1 tree is specified, 'git-read-tree' operates as if the user did not specify `-m`, except that if the original index has an entry for a given pathname, and the contents of the path matches with the tree being read, the stat info from the index is used. (In other words, the index's stat()s take precedence over the merged tree's). -That means that if you do a `git-read-tree -m <newtree>` followed by a -`git-checkout-index -f -u -a`, the `git-checkout-index` only checks out +That means that if you do a `git read-tree -m <newtree>` followed by a +`git checkout-index -f -u -a`, the 'git-checkout-index' only checks out the stuff that really changed. -This is used to avoid unnecessary false hits when `git-diff-files` is -run after `git-read-tree`. +This is used to avoid unnecessary false hits when 'git-diff-files' is +run after 'git-read-tree'. Two Tree Merge ~~~~~~~~~~~~~~ -Typically, this is invoked as `git-read-tree -m $H $M`, where $H +Typically, this is invoked as `git read-tree -m $H $M`, where $H is the head commit of the current repository, and $M is the head of a foreign tree, which is simply ahead of $H (i.e. we are in a fast forward situation). -When two trees are specified, the user is telling git-read-tree +When two trees are specified, the user is telling 'git-read-tree' the following: 1. The current index and work tree is derived from $H, but @@ -148,7 +151,7 @@ the following: 2. The user wants to fast-forward to $M. -In this case, the `git-read-tree -m $H $M` command makes sure +In this case, the `git read-tree -m $H $M` command makes sure that no local change is lost as the result of this "merge". Here are the "carry forward" rules: @@ -190,18 +193,18 @@ Here are the "carry forward" rules: In all "keep index" cases, the index entry stays as in the original index file. If the entry were not up to date, -git-read-tree keeps the copy in the work tree intact when +'git-read-tree' keeps the copy in the work tree intact when operating under the -u flag. -When this form of git-read-tree returns successfully, you can +When this form of 'git-read-tree' returns successfully, you can see what "local changes" you made are carried forward by running -`git-diff-index --cached $M`. Note that this does not -necessarily match `git-diff-index --cached $H` would have +`git diff-index --cached $M`. Note that this does not +necessarily match `git diff-index --cached $H` would have produced before such a two tree merge. This is because of cases 18 and 19 --- if you already had the changes in $M (e.g. maybe -you picked it up via e-mail in a patch form), `git-diff-index +you picked it up via e-mail in a patch form), `git diff-index --cached $H` would have told you about the change before this -merge, but it would not show in `git-diff-index --cached $M` +merge, but it would not show in `git diff-index --cached $M` output after two-tree merge. @@ -210,13 +213,13 @@ output after two-tree merge. Each "index" entry has two bits worth of "stage" state. stage 0 is the normal one, and is the only one you'd see in any kind of normal use. -However, when you do `git-read-tree` with three trees, the "stage" +However, when you do 'git-read-tree' with three trees, the "stage" starts out at 1. This means that you can do ---------------- -$ git-read-tree -m <tree1> <tree2> <tree3> +$ git read-tree -m <tree1> <tree2> <tree3> ---------------- and you will end up with an index with all of the <tree1> entries in @@ -226,7 +229,7 @@ branch into the current branch, we use the common ancestor tree as <tree1>, the current branch head as <tree2>, and the other branch head as <tree3>. -Furthermore, `git-read-tree` has special-case logic that says: if you see +Furthermore, 'git-read-tree' has special-case logic that says: if you see a file that matches in all respects in the following states, it "collapses" back to "stage0": @@ -242,7 +245,7 @@ a file that matches in all respects in the following states, it - stage 1 and stage 3 are the same and stage 2 is different take stage 2 (we did something while they did nothing) -The `git-write-tree` command refuses to write a nonsensical tree, and it +The 'git-write-tree' command refuses to write a nonsensical tree, and it will complain about unmerged entries if it sees a single entry that is not stage 0. @@ -258,7 +261,7 @@ start a 3-way merge with an index file that is already populated. Here is an outline of how the algorithm works: - if a file exists in identical format in all three trees, it will - automatically collapse to "merged" state by git-read-tree. + automatically collapse to "merged" state by 'git-read-tree'. - a file that has _any_ difference what-so-ever in the three trees will stay as separate entries in the index. It's up to "porcelain @@ -282,8 +285,8 @@ populated. Here is an outline of how the algorithm works: matching "stage1" entry if it exists too. .. all the normal trivial rules .. -You would normally use `git-merge-index` with supplied -`git-merge-one-file` to do this last step. The script updates +You would normally use 'git-merge-index' with supplied +'git-merge-one-file' to do this last step. The script updates the files in the working tree as it merges each path and at the end of a successful merge. @@ -301,16 +304,16 @@ commit. To illustrate, suppose you start from what has been committed last to your repository: ---------------- -$ JC=`git-rev-parse --verify "HEAD^0"` -$ git-checkout-index -f -u -a $JC +$ JC=`git rev-parse --verify "HEAD^0"` +$ git checkout-index -f -u -a $JC ---------------- -You do random edits, without running git-update-index. And then +You do random edits, without running 'git-update-index'. And then you notice that the tip of your "upstream" tree has advanced since you pulled from him: ---------------- -$ git-fetch git://.... linus +$ git fetch git://.... linus $ LT=`cat .git/FETCH_HEAD` ---------------- @@ -320,10 +323,10 @@ added or modified index entries since $JC, and if you haven't, then does the right thing. So with the following sequence: ---------------- -$ git-read-tree -m -u `git-merge-base $JC $LT` $JC $LT -$ git-merge-index git-merge-one-file -a +$ git read-tree -m -u `git merge-base $JC $LT` $JC $LT +$ git merge-index git-merge-one-file -a $ echo "Merge with Linus" | \ - git-commit-tree `git-write-tree` -p $JC -p $LT + git commit-tree `git write-tree` -p $JC -p $LT ---------------- what you would commit is a pure merge between $JC and $LT without @@ -331,21 +334,21 @@ your work-in-progress changes, and your work tree would be updated to the result of the merge. However, if you have local changes in the working tree that -would be overwritten by this merge,`git-read-tree` will refuse +would be overwritten by this merge, 'git-read-tree' will refuse to run to prevent your changes from being lost. In other words, there is no need to worry about what exists only in the working tree. When you have local changes in a part of the project that is not involved in the merge, your changes do not interfere with the merge, and are kept intact. When they -*do* interfere, the merge does not even start (`git-read-tree` +*do* interfere, the merge does not even start ('git-read-tree' complains loudly and fails without modifying anything). In such a case, you can simply continue doing what you were in the middle of doing, and when your working tree is ready (i.e. you have finished your work-in-progress), attempt the merge again. -See Also +SEE ALSO -------- linkgit:git-write-tree[1]; linkgit:git-ls-files[1]; linkgit:gitignore[5] @@ -361,4 +364,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index e0412e0866..f3459c7de7 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -8,15 +8,15 @@ git-rebase - Forward-port local commits to the updated upstream head SYNOPSIS -------- [verse] -'git-rebase' [-i | --interactive] [-v | --verbose] [-m | --merge] +'git rebase' [-i | --interactive] [-v | --verbose] [-m | --merge] [-s <strategy> | --strategy=<strategy>] [-C<n>] [ --whitespace=<option>] [-p | --preserve-merges] [--onto <newbase>] <upstream> [<branch>] -'git-rebase' --continue | --skip | --abort +'git rebase' --continue | --skip | --abort DESCRIPTION ----------- -If <branch> is specified, git-rebase will perform an automatic +If <branch> is specified, 'git-rebase' will perform an automatic `git checkout <branch>` before doing anything else. Otherwise it remains on the current branch. @@ -52,8 +52,8 @@ Assume the following history exists and the current branch is "topic": From this point, the result of either of the following commands: - git-rebase master - git-rebase master topic + git rebase master + git rebase master topic would be: @@ -68,7 +68,7 @@ followed by `git rebase master`. If the upstream branch already contains a change you have made (e.g., because you mailed a patch which was applied upstream), then that commit -will be skipped. For example, running `git-rebase master` on the +will be skipped. For example, running `git rebase master` on the following history (in which A' and A introduce the same set of changes, but have different committer information): @@ -116,7 +116,7 @@ got merged into more stable 'master' branch, like this: We can get this using the following command: - git-rebase --onto master next topic + git rebase --onto master next topic Another example of --onto option is to rebase part of a @@ -132,7 +132,7 @@ branch. If we have the following situation: then the command - git-rebase --onto master topicA topicB + git rebase --onto master topicA topicB would result in: @@ -155,7 +155,7 @@ the following situation: then the command - git-rebase --onto topicA~5 topicA~3 topicA + git rebase --onto topicA~5 topicA~3 topicA would result in the removal of commits F and G: @@ -167,8 +167,8 @@ This is useful if F and G were flawed in some way, or should not be part of topicA. Note that the argument to --onto and the <upstream> parameter can be any valid commit-ish. -In case of conflict, git-rebase will stop at the first problematic commit -and leave conflict markers in the tree. You can use git diff to locate +In case of conflict, 'git-rebase' will stop at the first problematic commit +and leave conflict markers in the tree. You can use 'git-diff' to locate the markers (<<<<<<) and make edits to resolve the conflict. For each file you edit, you need to tell git that the conflict has been resolved, typically this would be done with @@ -184,7 +184,7 @@ desired resolution, you can continue the rebasing process with git rebase --continue -Alternatively, you can undo the git-rebase with +Alternatively, you can undo the 'git-rebase' with git rebase --abort @@ -213,19 +213,22 @@ OPTIONS --skip:: Restart the rebasing process by skipping the current patch. --m, \--merge:: +-m:: +--merge:: Use merging strategies to rebase. When the recursive (default) merge strategy is used, this allows rebase to be aware of renames on the upstream side. --s <strategy>, \--strategy=<strategy>:: +-s <strategy>:: +--strategy=<strategy>:: Use the given merge strategy; can be supplied more than once to specify them in the order they should be tried. If there is no `-s` option, a built-in list of strategies - is used instead (`git-merge-recursive` when merging a single - head, `git-merge-octopus` otherwise). This implies --merge. + is used instead ('git-merge-recursive' when merging a single + head, 'git-merge-octopus' otherwise). This implies --merge. --v, \--verbose:: +-v:: +--verbose:: Display a diffstat of what changed upstream since the last rebase. -C<n>:: @@ -235,15 +238,17 @@ OPTIONS ever ignored. --whitespace=<nowarn|warn|error|error-all|strip>:: - This flag is passed to the `git-apply` program + This flag is passed to the 'git-apply' program (see linkgit:git-apply[1]) that applies the patch. --i, \--interactive:: +-i:: +--interactive:: Make a list of the commits which are about to be rebased. Let the user edit that list before rebasing. This mode can also be used to split commits (see SPLITTING COMMITS below). --p, \--preserve-merges:: +-p:: +--preserve-merges:: Instead of ignoring merges, try to recreate them. This option only works in interactive mode. @@ -254,10 +259,10 @@ NOTES When you rebase a branch, you are changing its history in a way that will cause problems for anyone who already has a copy of the branch in their repository and tries to pull updates from you. You should -understand the implications of using 'git rebase' on a repository that +understand the implications of using 'git-rebase' on a repository that you share. -When the git rebase command is run, it will first execute a "pre-rebase" +When the git-rebase command is run, it will first execute a "pre-rebase" hook if one exists. You can use this hook to do sanity checks and reject the rebase if it isn't appropriate. Please see the template pre-rebase hook script for an example. @@ -309,12 +314,12 @@ pick fa1afe1 The oneline of the next commit ... ------------------------------------------- -The oneline descriptions are purely for your pleasure; `git-rebase` will +The oneline descriptions are purely for your pleasure; 'git-rebase' will not look at them but at the commit names ("deadbee" and "fa1afe1" in this example), so do not delete or edit the names. By replacing the command "pick" with the command "edit", you can tell -`git-rebase` to stop after applying that commit, so that you can edit +'git-rebase' to stop after applying that commit, so that you can edit the files and/or the commit message, amend the commit, and continue rebasing. @@ -329,7 +334,7 @@ the loop with `git rebase --continue`. For example, if you want to reorder the last 5 commits, such that what was HEAD~4 becomes the new HEAD. To achieve that, you would call -`git-rebase` like this: +'git-rebase' like this: ---------------------- $ git rebase -i HEAD~5 @@ -359,34 +364,34 @@ SPLITTING COMMITS ----------------- In interactive mode, you can mark commits with the action "edit". However, -this does not necessarily mean that 'git rebase' expects the result of this +this does not necessarily mean that 'git-rebase' expects the result of this edit to be exactly one commit. Indeed, you can undo the commit, or you can add other commits. This can be used to split a commit into two: -- Start an interactive rebase with 'git rebase -i <commit>^', where +- Start an interactive rebase with `git rebase -i <commit>^`, where <commit> is the commit you want to split. In fact, any commit range will do, as long as it contains that commit. - Mark the commit you want to split with the action "edit". -- When it comes to editing that commit, execute 'git reset HEAD^'. The +- When it comes to editing that commit, execute `git reset HEAD^`. The effect is that the HEAD is rewound by one, and the index follows suit. However, the working tree stays the same. - Now add the changes to the index that you want to have in the first - commit. You can use linkgit:git-add[1] (possibly interactively) and/or - linkgit:git-gui[1] to do that. + commit. You can use `git add` (possibly interactively) or + 'git-gui' (or both) to do that. - Commit the now-current index with whatever commit message is appropriate now. - Repeat the last two steps until your working tree is clean. -- Continue the rebase with 'git rebase --continue'. +- Continue the rebase with `git rebase --continue`. If you are not absolutely sure that the intermediate revisions are consistent (they compile, pass the testsuite, etc.) you should use -linkgit:git-stash[1] to stash away the not-yet-committed changes +'git-stash' to stash away the not-yet-committed changes after each commit, test, and amend the commit if fixes are necessary. @@ -401,4 +406,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-receive-pack.txt b/Documentation/git-receive-pack.txt index 4111434bb6..6b2f8c4de7 100644 --- a/Documentation/git-receive-pack.txt +++ b/Documentation/git-receive-pack.txt @@ -8,7 +8,7 @@ git-receive-pack - Receive what is pushed into the repository SYNOPSIS -------- -'git-receive-pack' <directory> +'git receive-pack' <directory> DESCRIPTION ----------- @@ -18,17 +18,17 @@ information fed from the remote end. This command is usually not invoked directly by the end user. The UI for the protocol is on the 'git-send-pack' side, and the program pair is meant to be used to push updates to remote -repository. For pull operations, see 'git-fetch-pack'. +repository. For pull operations, see linkgit:git-fetch-pack[1]. The command allows for creation and fast forwarding of sha1 refs (heads/tags) on the remote end (strictly speaking, it is the -local end receive-pack runs, but to the user who is sitting at +local end 'git-receive-pack' runs, but to the user who is sitting at the send-pack end, it is updating the remote. Confused?) There are other real-world examples of using update and post-update hooks found in the Documentation/howto directory. -git-receive-pack honours the receive.denyNonFastForwards config +'git-receive-pack' honours the receive.denyNonFastForwards config option, which tells it if updates to a ref should be denied if they are not fast-forwards. @@ -111,10 +111,10 @@ ref listing the commits pushed to the repository: if expr "$oval" : '0*$' >/dev/null then echo "Created a new ref, with the following commits:" - git-rev-list --pretty "$nval" + git rev-list --pretty "$nval" else echo "New commits:" - git-rev-list --pretty "$nval" "^$oval" + git rev-list --pretty "$nval" "^$oval" fi | mail -s "Changes to ref $ref" commit-list@mydomain done @@ -125,7 +125,7 @@ non-zero exit code will generate an error message. Note that it is possible for refname to not have sha1-new when this hook runs. This can easily occur if another user modifies the ref -after it was updated by receive-pack, but before the hook was able +after it was updated by 'git-receive-pack', but before the hook was able to evaluate it. It is recommended that hooks rely on sha1-new rather than the current value of refname. @@ -137,14 +137,14 @@ post-update will called with the list of refs that have been updated. This can be used to implement any repository wide cleanup tasks. The exit code from this hook invocation is ignored; the only thing -left for git-receive-pack to do at that point is to exit itself +left for 'git-receive-pack' to do at that point is to exit itself anyway. -This hook can be used, for example, to run "git-update-server-info" +This hook can be used, for example, to run `git update-server-info` if the repository is packed and is served via a dumb transport. #!/bin/sh - exec git-update-server-info + exec git update-server-info SEE ALSO @@ -162,4 +162,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-reflog.txt b/Documentation/git-reflog.txt index 047e3ce14d..146d7f545c 100644 --- a/Documentation/git-reflog.txt +++ b/Documentation/git-reflog.txt @@ -16,12 +16,12 @@ The command takes various subcommands, and different options depending on the subcommand: [verse] -git reflog expire [--dry-run] [--stale-fix] [--verbose] +'git reflog expire' [--dry-run] [--stale-fix] [--verbose] [--expire=<time>] [--expire-unreachable=<time>] [--all] <refs>... - -git reflog delete ref@\{specifier\}... - -git reflog [show] [log-options] [<ref>] ++ +'git reflog delete' ref@\{specifier\}... ++ +'git reflog' ['show'] [log-options] [<ref>] Reflog is a mechanism to record when the tip of branches are updated. This command is to manage the information recorded in it. @@ -36,7 +36,7 @@ The subcommand "show" (which is also the default, in the absence of any subcommands) will take all the normal log options, and show the log of the reference provided in the command-line (or `HEAD`, by default). The reflog will cover all recent actions (HEAD reflog records branch switching -as well). It is an alias for 'git log -g --abbrev-commit --pretty=oneline'; +as well). It is an alias for `git log -g --abbrev-commit --pretty=oneline`; see linkgit:git-log[1]. The reflog is useful in various git commands, to specify the old value @@ -46,7 +46,7 @@ point to one week ago", and so on. See linkgit:git-rev-parse[1] for more details. To delete single entries from the reflog, use the subcommand "delete" -and specify the _exact_ entry (e.g. ``git reflog delete master@\{2\}''). +and specify the _exact_ entry (e.g. "`git reflog delete master@\{2\}`"). OPTIONS @@ -60,7 +60,7 @@ OPTIONS refs. + This computation involves traversing all the reachable objects, i.e. it -has the same cost as 'git prune'. Fortunately, once this is run, we +has the same cost as 'git-prune'. Fortunately, once this is run, we should not have to ever worry about missing objects, because the current prune and pack-objects know about reflogs and protect objects referred by them. @@ -102,4 +102,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-relink.txt b/Documentation/git-relink.txt index 1b024ded33..25ff8f9dcb 100644 --- a/Documentation/git-relink.txt +++ b/Documentation/git-relink.txt @@ -7,7 +7,7 @@ git-relink - Hardlink common objects in local repositories SYNOPSIS -------- -'git-relink' [--safe] <dir> [<dir>]\* <master_dir> +'git relink' [--safe] <dir> [<dir>]\* <master_dir> DESCRIPTION ----------- @@ -34,4 +34,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt index b20e851973..bb99810ec7 100644 --- a/Documentation/git-remote.txt +++ b/Documentation/git-remote.txt @@ -9,12 +9,12 @@ git-remote - manage set of tracked repositories SYNOPSIS -------- [verse] -'git-remote' -'git-remote' add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url> -'git-remote' rm <name> -'git-remote' show <name> -'git-remote' prune <name> -'git-remote' update [group] +'git remote' [-v | --verbose] +'git remote add' [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url> +'git remote rm' <name> +'git remote show' [-n] <name> +'git remote prune' [-n | --dry-run] <name> +'git remote update' [group] DESCRIPTION ----------- @@ -22,6 +22,14 @@ DESCRIPTION Manage the set of repositories ("remotes") whose branches you track. +OPTIONS +------- + +-v:: +--verbose:: + Be a little more verbose and show remote url after name. + + COMMANDS -------- @@ -72,9 +80,8 @@ These stale branches have already been removed from the remote repository referenced by <name>, but are still locally available in "remotes/<name>". + -With `-n` option, the remote heads are not confirmed first with `git -ls-remote <name>`; cached information is used instead. Use with -caution. +With `--dry-run` option, report what branches will be pruned, but do no +actually prune them. 'update':: @@ -117,7 +124,7 @@ $ git checkout -b nfs linux-nfs/master ... ------------ -* Imitate 'git clone' but track only selected branches +* Imitate 'git-clone' but track only selected branches + ------------ $ mkdir project.git @@ -128,7 +135,7 @@ $ git merge origin ------------ -See Also +SEE ALSO -------- linkgit:git-fetch[1] linkgit:git-branch[1] @@ -146,4 +153,4 @@ Documentation by J. Bruce Fields and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt index 3d957492f8..38ac60947b 100644 --- a/Documentation/git-repack.txt +++ b/Documentation/git-repack.txt @@ -8,7 +8,7 @@ git-repack - Pack unpacked objects in a repository SYNOPSIS -------- -'git-repack' [-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N] +'git repack' [-a] [-A] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N] DESCRIPTION ----------- @@ -37,28 +37,45 @@ OPTIONS leaves behind, but `git fsck --full` shows as dangling. +-A:: + Same as `-a`, but any unreachable objects in a previous + pack become loose, unpacked objects, instead of being + left in the old pack. Unreachable objects are never + intentionally added to a pack, even when repacking. + When used with '-d', this option + prevents unreachable objects from being immediately + deleted by way of being left in the old pack and then + removed. Instead, the loose unreachable objects + will be pruned according to normal expiry rules + with the next 'git-gc' invocation. See linkgit:git-gc[1]. + -d:: After packing, if the newly created packs make some existing packs redundant, remove the redundant packs. - Also runs linkgit:git-prune-packed[1]. + Also run 'git-prune-packed' to remove redundant + loose object files. -l:: - Pass the `--local` option to `git pack-objects`, see + Pass the `--local` option to 'git-pack-objects'. See linkgit:git-pack-objects[1]. -f:: - Pass the `--no-reuse-delta` option to `git pack-objects`, see + Pass the `--no-reuse-delta` option to 'git-pack-objects'. See linkgit:git-pack-objects[1]. -q:: - Pass the `-q` option to `git pack-objects`, see + Pass the `-q` option to 'git-pack-objects'. See linkgit:git-pack-objects[1]. -n:: - Do not update the server information with - `git update-server-info`. - ---window=[N], --depth=[N]:: + Do not update the server information with + 'git-update-server-info'. This option skips + updating local catalog files needed to publish + this repository (or a direct copy of it) + over HTTP or FTP. See linkgit:git-update-server-info[1]. + +--window=[N]:: +--depth=[N]:: These two options affect how the objects contained in the pack are stored using delta compression. The objects are first internally sorted by type, size and optionally names and compared against the @@ -90,7 +107,7 @@ Configuration When configuration variable `repack.UseDeltaBaseOffset` is set for the repository, the command passes `--delta-base-offset` -option to `git-pack-objects`; this typically results in slightly +option to 'git-pack-objects'; this typically results in slightly smaller packs, but the generated packs are incompatible with versions of git older than (and including) v1.4.3; do not set the variable in a repository that older version of git needs to @@ -107,11 +124,11 @@ Documentation -------------- Documentation by Ryan Anderson <ryan@michonline.com> -See Also +SEE ALSO -------- linkgit:git-pack-objects[1] linkgit:git-prune-packed[1] GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-repo-config.txt b/Documentation/git-repo-config.txt index 2ca39946b7..e5bdb5533e 100644 --- a/Documentation/git-repo-config.txt +++ b/Documentation/git-repo-config.txt @@ -8,7 +8,7 @@ git-repo-config - Get and set repository or global options SYNOPSIS -------- -'git-repo-config' ... +'git repo-config' ... DESCRIPTION diff --git a/Documentation/git-request-pull.txt b/Documentation/git-request-pull.txt index 9a14c04e39..ca6843032a 100644 --- a/Documentation/git-request-pull.txt +++ b/Documentation/git-request-pull.txt @@ -7,7 +7,7 @@ git-request-pull - Generates a summary of pending changes SYNOPSIS -------- -'git-request-pull' <start> <url> [<end>] +'git request-pull' <start> <url> [<end>] DESCRIPTION ----------- @@ -36,4 +36,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-rerere.txt b/Documentation/git-rerere.txt index a53858e250..678bfd3cde 100644 --- a/Documentation/git-rerere.txt +++ b/Documentation/git-rerere.txt @@ -7,7 +7,7 @@ git-rerere - Reuse recorded resolution of conflicted merges SYNOPSIS -------- -'git-rerere' [clear|diff|status|gc] +'git rerere' ['clear'|'diff'|'status'|'gc'] DESCRIPTION ----------- @@ -30,26 +30,26 @@ enable this command. COMMANDS -------- -Normally, git-rerere is run without arguments or user-intervention. +Normally, 'git-rerere' is run without arguments or user-intervention. However, it has several commands that allow it to interact with its working state. 'clear':: This resets the metadata used by rerere if a merge resolution is to be -is aborted. Calling linkgit:git-am[1] --skip or linkgit:git-rebase[1] -[--skip|--abort] will automatically invoke this command. +is aborted. Calling 'git-am --skip' or 'git-rebase [--skip|--abort]' +will automatically invoke this command. 'diff':: This displays diffs for the current state of the resolution. It is useful for tracking what has changed while the user is resolving conflicts. Additional arguments are passed directly to the system -diff(1) command installed in PATH. +'diff' command installed in PATH. 'status':: -Like diff, but this only prints the filenames that will be tracked +Like 'diff', but this only prints the filenames that will be tracked for resolutions. 'gc':: @@ -142,33 +142,33 @@ finally ready and merged into the master branch. This merge would require you to resolve the conflict, introduced by the commits marked with `*`. However, often this conflict is the same conflict you resolved when you created the test merge you -blew away. `git-rerere` command helps you to resolve this final +blew away. 'git-rerere' command helps you to resolve this final conflicted merge using the information from your earlier hand resolve. -Running `git-rerere` command immediately after a conflicted +Running the 'git-rerere' command immediately after a conflicted automerge records the conflicted working tree files, with the usual conflict markers `<<<<<<<`, `=======`, and `>>>>>>>` in them. Later, after you are done resolving the conflicts, -running `git-rerere` again records the resolved state of these +running 'git-rerere' again records the resolved state of these files. Suppose you did this when you created the test merge of master into the topic branch. -Next time, running `git-rerere` after seeing a conflicted +Next time, running 'git-rerere' after seeing a conflicted automerge, if the conflict is the same as the earlier one recorded, it is noticed and a three-way merge between the earlier conflicted automerge, the earlier manual resolution, and the current conflicted automerge is performed by the command. If this three-way merge resolves cleanly, the result is written out to your working tree file, so you would not have to manually -resolve it. Note that `git-rerere` leaves the index file alone, +resolve it. Note that 'git-rerere' leaves the index file alone, so you still need to do the final sanity checks with `git diff` -(or `git diff -c`) and `git add` when you are satisfied. +(or `git diff -c`) and 'git-add' when you are satisfied. -As a convenience measure, `git-merge` automatically invokes -`git-rerere` when it exits with a failed automerge, which +As a convenience measure, 'git-merge' automatically invokes +'git-rerere' when it exits with a failed automerge, which records it if it is a new conflict, or reuses the earlier hand -resolve when it is not. `git-commit` also invokes `git-rerere` +resolve when it is not. 'git-commit' also invokes 'git-rerere' when recording a merge result. What this means is that you do not have to do anything special yourself (Note: you still have to set the config variable rerere.enabled to enable this command). @@ -178,8 +178,8 @@ resolution is recorded, and it will be reused when you do the actual merge later with updated master and topic branch, as long as the earlier resolution is still applicable. -The information `git-rerere` records is also used when running -`git-rebase`. After blowing away the test merge and continuing +The information 'git-rerere' records is also used when running +'git-rebase'. After blowing away the test merge and continuing development on the topic branch: ------------ @@ -198,7 +198,7 @@ you could run `git rebase master topic`, to keep yourself up-to-date even before your topic is ready to be sent upstream. This would result in falling back to three-way merge, and it would conflict the same way the test merge you resolved earlier. -`git-rerere` is run by `git rebase` to help you resolve this +'git-rerere' is run by 'git-rebase' to help you resolve this conflict. @@ -208,4 +208,4 @@ Written by Junio C Hamano <junkio@cox.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-reset.txt b/Documentation/git-reset.txt index fac59c9726..c8d175768c 100644 --- a/Documentation/git-reset.txt +++ b/Documentation/git-reset.txt @@ -37,7 +37,7 @@ OPTIONS --soft:: Does not touch the index file nor the working tree at all, but requires them to be in a good order. This leaves all your changed - files "Changes to be committed", as linkgit:git-status[1] would + files "Changes to be committed", as 'git-status' would put it. --hard:: @@ -203,4 +203,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt index d80cdf5502..fd1de92e34 100644 --- a/Documentation/git-rev-list.txt +++ b/Documentation/git-rev-list.txt @@ -59,7 +59,7 @@ stop at that point. Their parents are implied. Thus the following command: ----------------------------------------------------------------------- - $ git-rev-list foo bar ^baz + $ git rev-list foo bar ^baz ----------------------------------------------------------------------- means "list all the commits which are included in 'foo' and 'bar', but @@ -70,8 +70,8 @@ short-hand for "{caret}'<commit1>' '<commit2>'". For example, either of the following may be used interchangeably: ----------------------------------------------------------------------- - $ git-rev-list origin..HEAD - $ git-rev-list HEAD ^origin + $ git rev-list origin..HEAD + $ git rev-list HEAD ^origin ----------------------------------------------------------------------- Another special notation is "'<commit1>'...'<commit2>'" which is useful @@ -79,15 +79,15 @@ for merges. The resulting set of commits is the symmetric difference between the two operands. The following two commands are equivalent: ----------------------------------------------------------------------- - $ git-rev-list A B --not $(git-merge-base --all A B) - $ git-rev-list A...B + $ git rev-list A B --not $(git merge-base --all A B) + $ git rev-list A...B ----------------------------------------------------------------------- -linkgit:git-rev-list[1] is a very essential git program, since it +'git-rev-list' is a very essential git program, since it provides the ability to build and traverse commit ancestry graphs. For this reason, it has a lot of different options that enables it to be -used by commands as different as linkgit:git-bisect[1] and -linkgit:git-repack[1]. +used by commands as different as 'git-bisect' and +'git-repack'. OPTIONS ------- @@ -109,4 +109,4 @@ and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index b6b2fe92a1..378a3124ac 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -8,23 +8,23 @@ git-rev-parse - Pick out and massage parameters SYNOPSIS -------- -'git-rev-parse' [ --option ] <args>... +'git rev-parse' [ --option ] <args>... DESCRIPTION ----------- Many git porcelainish commands take mixture of flags (i.e. parameters that begin with a dash '-') and parameters -meant for underlying `git-rev-list` command they use internally -and flags and parameters for other commands they use as the -downstream of `git-rev-list`. This command is used to +meant for the underlying 'git-rev-list' command they use internally +and flags and parameters for the other commands they use +downstream of 'git-rev-list'. This command is used to distinguish between them. OPTIONS ------- --parseopt:: - Use `git-rev-parse` in option parsing mode (see PARSEOPT section below). + Use 'git-rev-parse' in option parsing mode (see PARSEOPT section below). --keep-dash-dash:: Only meaningful in `--parseopt` mode. Tells the option parser to echo @@ -32,11 +32,11 @@ OPTIONS --revs-only:: Do not output flags and parameters not meant for - `git-rev-list` command. + 'git-rev-list' command. --no-revs:: Do not output flags and parameters meant for - `git-rev-list` command. + 'git-rev-list' command. --flags:: Do not output non-flag parameters. @@ -52,7 +52,8 @@ OPTIONS The parameter given must be usable as a single, valid object name. Otherwise barf and abort. --q, --quiet:: +-q:: +--quiet:: Only meaningful in `--verify` mode. Do not output an error message if the first argument is not a valid object name; instead exit with non-zero status silently. @@ -63,7 +64,7 @@ OPTIONS properly quoted for consumption by shell. Useful when you expect your parameter to contain whitespaces and newlines (e.g. when using pickaxe `-S` with - `git-diff-\*`). + 'git-diff-\*'). --not:: When showing object names, prefix them with '{caret}' and @@ -119,18 +120,21 @@ OPTIONS --is-bare-repository:: When the repository is bare print "true", otherwise "false". ---short, --short=number:: +--short:: +--short=number:: Instead of outputting the full SHA1 values of object names try to abbreviate them to a shorter unique name. When no length is specified 7 is used. The minimum length is 4. ---since=datestring, --after=datestring:: - Parses the date string, and outputs corresponding - --max-age= parameter for git-rev-list command. +--since=datestring:: +--after=datestring:: + Parse the date string, and output the corresponding + --max-age= parameter for 'git-rev-list'. ---until=datestring, --before=datestring:: - Parses the date string, and outputs corresponding - --min-age= parameter for git-rev-list command. +--until=datestring:: +--before=datestring:: + Parse the date string, and output the corresponding + --min-age= parameter for 'git-rev-list'. <args>...:: Flags and parameters to be parsed. @@ -151,7 +155,7 @@ blobs contained in a commit. name the same commit object if there are no other object in your repository whose object name starts with dae86e. -* An output from `git-describe`; i.e. a closest tag, followed by a +* An output from 'git-describe'; i.e. a closest tag, followed by a dash, a `g`, and an abbreviated object name. * A symbolic ref name. E.g. 'master' typically means the commit @@ -180,7 +184,10 @@ blobs contained in a commit. second ago\}' or '\{1979-02-26 18:30:00\}') to specify the value of the ref at a prior point in time. This suffix may only be used immediately following a ref name and the ref must have an - existing log ($GIT_DIR/logs/<ref>). + existing log ($GIT_DIR/logs/<ref>). Note that this looks up the state + of your *local* ref at a given time; e.g., what was in your local + `master` branch last week. If you want to look at commits made during + certain times, see `--since` and `--until`. * A ref followed by the suffix '@' with an ordinal specification enclosed in a brace pair (e.g. '\{1\}', '\{15\}') to specify @@ -243,16 +250,18 @@ Here is an illustration, by Jon Loeliger. Both commit nodes B and C are parents of commit node A. Parent commits are ordered left-to-right. - G H I J - \ / \ / - D E F - \ | / \ - \ | / | - \|/ | - B C - \ / - \ / - A +........................................ +G H I J + \ / \ / + D E F + \ | / \ + \ | / | + \|/ | + B C + \ / + \ / + A +........................................ A = = A^0 B = A^ = A^1 = A~1 @@ -269,7 +278,7 @@ left-to-right. SPECIFYING RANGES ----------------- -History traversing commands such as `git-log` operate on a set +History traversing commands such as 'git-log' operate on a set of commits, not just a single commit. To these commands, specifying a single revision with the notation described in the previous section means the set of commits reachable from that @@ -287,14 +296,14 @@ reachable from `r1` from the set of commits reachable from A similar notation "`r1\...r2`" is called symmetric difference of `r1` and `r2` and is defined as -"`r1 r2 --not $(git-merge-base --all r1 r2)`". +"`r1 r2 --not $(git merge-base --all r1 r2)`". It is the set of commits that are reachable from either one of `r1` or `r2` but not from both. Two other shorthands for naming a set that is formed by a commit -and its parent commits exists. `r1{caret}@` notation means all +and its parent commits exist. The `r1{caret}@` notation means all parents of `r1`. `r1{caret}!` includes commit `r1` but excludes -its all parents. +all of its parents. Here are a handful of examples: @@ -310,7 +319,7 @@ Here are a handful of examples: PARSEOPT -------- -In `--parseopt` mode, `git-rev-parse` helps massaging options to bring to shell +In `--parseopt` mode, 'git-rev-parse' helps massaging options to bring to shell scripts the same facilities C builtins have. It works as an option normalizer (e.g. splits single switches aggregate values), a bit like `getopt(1)` does. @@ -322,7 +331,7 @@ usage on the standard error stream, and exits with code 129. Input Format ~~~~~~~~~~~~ -`git-rev-parse --parseopt` input format is fully text based. It has two parts, +'git-rev-parse --parseopt' input format is fully text based. It has two parts, separated by a line that contains only `--`. The lines before the separator (should be more than one) are used for the usage. The lines after the separator describe the options. @@ -375,9 +384,34 @@ bar= some cool option --bar with an argument An option group Header C? option C with an optional argument" -eval `echo "$OPTS_SPEC" | git-rev-parse --parseopt -- "$@" || echo exit $?` +eval `echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?` ------------ +EXAMPLES +-------- + +* Print the object name of the current commit: ++ +------------ +$ git rev-parse --verify HEAD +------------ + +* Print the commit object name from the revision in the $REV shell variable: ++ +------------ +$ git rev-parse --verify $REV +------------ ++ +This will error out if $REV is empty or not a valid revision. + +* Same as above: ++ +------------ +$ git rev-parse --default master --verify $REV +------------ ++ +but if $REV is empty, the commit object name from master will be printed. + Author ------ @@ -390,4 +424,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-revert.txt b/Documentation/git-revert.txt index 13ceabbcc8..5411edca96 100644 --- a/Documentation/git-revert.txt +++ b/Documentation/git-revert.txt @@ -7,7 +7,7 @@ git-revert - Revert an existing commit SYNOPSIS -------- -'git-revert' [--edit | --no-edit] [-n] [-m parent-number] [-s] <commit> +'git revert' [--edit | --no-edit] [-n] [-m parent-number] [-s] <commit> DESCRIPTION ----------- @@ -22,12 +22,14 @@ OPTIONS For a more complete list of ways to spell commit names, see "SPECIFYING REVISIONS" section in linkgit:git-rev-parse[1]. --e|--edit:: - With this option, `git-revert` will let you edit the commit +-e:: +--edit:: + With this option, 'git-revert' will let you edit the commit message prior to committing the revert. This is the default if you run the command from a terminal. --m parent-number|--mainline parent-number:: +-m parent-number:: +--mainline parent-number:: Usually you cannot revert a merge because you do not know which side of the merge should be considered the mainline. This option specifies the parent number (starting from 1) of @@ -35,10 +37,11 @@ OPTIONS relative to the specified parent. --no-edit:: - With this option, `git-revert` will not start the commit + With this option, 'git-revert' will not start the commit message editor. --n|--no-commit:: +-n:: +--no-commit:: Usually the command automatically creates a commit with a commit log message stating which commit was reverted. This flag applies the change necessary to revert the @@ -51,7 +54,8 @@ OPTIONS This is useful when reverting more than one commits' effect to your working tree in a row. --s|--signoff:: +-s:: +--signoff:: Add Signed-off-by line at the end of the commit message. @@ -65,4 +69,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-rm.txt b/Documentation/git-rm.txt index 9c81b72dbe..4d0c495bc3 100644 --- a/Documentation/git-rm.txt +++ b/Documentation/git-rm.txt @@ -7,12 +7,12 @@ git-rm - Remove files from the working tree and from the index SYNOPSIS -------- -'git-rm' [-f] [-n] [-r] [--cached] [--ignore-unmatch] [--quiet] [--] <file>... +'git rm' [-f] [-n] [-r] [--cached] [--ignore-unmatch] [--quiet] [--] <file>... DESCRIPTION ----------- Remove files from the index, or from the working tree and the index. -`git rm` will not remove a file from just your working directory. +'git-rm' will not remove a file from just your working directory. (There is no option to remove a file only from the work tree and yet keep it in the index; use `/bin/rm` if you want to do that.) The files being removed have to be identical to the tip of the branch, @@ -38,7 +38,8 @@ OPTIONS -f:: Override the up-to-date check. --n, \--dry-run:: +-n:: +--dry-run:: Don't actually remove any file(s). Instead, just show if they exist in the index and would otherwise be removed by the command. @@ -52,16 +53,17 @@ OPTIONS the list of files, (useful when filenames might be mistaken for command-line options). -\--cached:: +--cached:: Use this option to unstage and remove paths only from the index. Working tree files, whether modified or not, will be left alone. -\--ignore-unmatch:: +--ignore-unmatch:: Exit with a zero status even if no files matched. --q, \--quiet:: - git-rm normally outputs one line (in the form of an "rm" command) +-q:: +--quiet:: + 'git-rm' normally outputs one line (in the form of an "rm" command) for each file removed. This option suppresses that output. @@ -80,7 +82,7 @@ also remove all of directory `d2`. EXAMPLES -------- -git-rm Documentation/\\*.txt:: +git rm Documentation/\\*.txt:: Removes all `\*.txt` files from the index that are under the `Documentation` directory and any of its subdirectories. + @@ -88,12 +90,12 @@ Note that the asterisk `\*` is quoted from the shell in this example; this lets git, and not the shell, expand the pathnames of files and subdirectories under the `Documentation/` directory. -git-rm -f git-*.sh:: +git rm -f git-*.sh:: Because this example lets the shell expand the asterisk (i.e. you are listing the files explicitly), it does not remove `subdir/git-foo.sh`. -See Also +SEE ALSO -------- linkgit:git-add[1] @@ -107,4 +109,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index 9d0a10c562..afbb294a7f 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -8,7 +8,7 @@ git-send-email - Send a collection of patches as emails SYNOPSIS -------- -'git-send-email' [options] <file|directory> [... file|directory] +'git send-email' [options] <file|directory> [... file|directory] @@ -40,7 +40,8 @@ The --cc option must be repeated for each user you want on the cc list. Output of this command must be single email address per line. Default is the value of 'sendemail.cccmd' configuration value. ---chain-reply-to, --no-chain-reply-to:: +--chain-reply-to:: +--no-chain-reply-to:: If this is set, each email will be sent as a reply to the previous email sent. If disabled with "--no-chain-reply-to", all emails after the first will be sent as replies to the first email sent. When using @@ -65,7 +66,8 @@ The --cc option must be repeated for each user you want on the cc list. Only necessary if --compose is also set. If --compose is not set, this will be prompted for. ---signed-off-by-cc, --no-signed-off-by-cc:: +--signed-off-by-cc:: +--no-signed-off-by-cc:: If this is set, add emails found in Signed-off-by: or Cc: lines to the cc list. Default is the value of 'sendemail.signedoffcc' configuration value; @@ -131,17 +133,21 @@ or on the command line. If a username has been specified (with specified (with --smtp-pass or a configuration variable), then the user is prompted for a password while the input is masked for privacy. +--smtp-encryption:: + Specify the encryption to use, either 'ssl' or 'tls'. Any other + value reverts to plain SMTP. Default is the value of + 'sendemail.smtpencryption'. + --smtp-ssl:: - If set, connects to the SMTP server using SSL. - Default is the value of the 'sendemail.smtpssl' configuration value; - if that is unspecified, does not use SSL. + Legacy alias for '--smtp-encryption=ssl'. --subject:: Specify the initial subject of the email thread. Only necessary if --compose is also set. If --compose is not set, this will be prompted for. ---suppress-from, --no-suppress-from:: +--suppress-from:: +--no-suppress-from:: If this is set, do not add the From: address to the cc: list. Default is the value of 'sendemail.suppressfrom' configuration value; if that is unspecified, default to --no-suppress-from. @@ -157,7 +163,8 @@ user is prompted for a password while the input is masked for privacy. if that is unspecified, default to 'self' if --suppress-from is specified, as well as 'sob' if --no-signed-off-cc is specified. ---thread, --no-thread:: +--thread:: +--no-thread:: If this is set, the In-Reply-To header will be set on each email sent. If disabled with "--no-thread", no emails will have the In-Reply-To header set. @@ -225,8 +232,13 @@ sendemail.smtpuser:: sendemail.smtppass:: Default SMTP-AUTH password. +sendemail.smtpencryption:: + Default encryption method. Use 'ssl' for SSL (and specify an + appropriate port), or 'tls' for TLS. Takes precedence over + 'smtpssl' if both are specified. + sendemail.smtpssl:: - Boolean value specifying the default to the '--smtp-ssl' parameter. + Legacy boolean that sets 'smtpencryption=ssl' if enabled. Author ------ @@ -241,4 +253,4 @@ Documentation by Ryan Anderson GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-send-pack.txt b/Documentation/git-send-pack.txt index 777515b12e..399821832c 100644 --- a/Documentation/git-send-pack.txt +++ b/Documentation/git-send-pack.txt @@ -8,12 +8,12 @@ git-send-pack - Push objects over git protocol to another repository SYNOPSIS -------- -'git-send-pack' [--all] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...] +'git send-pack' [--all] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...] DESCRIPTION ----------- -Usually you would want to use linkgit:git-push[1] which is a -higher level wrapper of this command instead. +Usually you would want to use 'git-push', which is a +higher-level wrapper of this command, instead. See linkgit:git-push[1]. Invokes 'git-receive-pack' on a possibly remote repository, and updates it from the current repository, sending named refs. @@ -21,33 +21,33 @@ updates it from the current repository, sending named refs. OPTIONS ------- -\--receive-pack=<git-receive-pack>:: +--receive-pack=<git-receive-pack>:: Path to the 'git-receive-pack' program on the remote end. Sometimes useful when pushing to a remote repository over ssh, and you do not have the program in a directory on the default $PATH. -\--exec=<git-receive-pack>:: +--exec=<git-receive-pack>:: Same as \--receive-pack=<git-receive-pack>. -\--all:: +--all:: Instead of explicitly specifying which refs to update, update all heads that locally exist. -\--dry-run:: +--dry-run:: Do everything except actually send the updates. -\--force:: +--force:: Usually, the command refuses to update a remote ref that is not an ancestor of the local ref used to overwrite it. This flag disables the check. What this means is that the remote repository can lose commits; use it with care. -\--verbose:: +--verbose:: Run verbosely. -\--thin:: +--thin:: Spend extra cycles to minimize the number of objects to be sent. Use it on slower connection. @@ -86,8 +86,8 @@ and the destination side (after the colon). The ref to be pushed is determined by finding a match that matches the source side, and where it is pushed is determined by using the destination side. The rules used to match a ref are the same -rules used by linkgit:git-rev-parse[1] to resolve a symbolic ref -name. +rules used by 'git-rev-parse' to resolve a symbolic ref +name. See linkgit:git-rev-parse[1]. - It is an error if <src> does not match exactly one of the local refs. @@ -125,4 +125,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-sh-setup.txt b/Documentation/git-sh-setup.txt index 16b8b75146..18f14b5be8 100644 --- a/Documentation/git-sh-setup.txt +++ b/Documentation/git-sh-setup.txt @@ -7,7 +7,7 @@ git-sh-setup - Common git shell script setup code SYNOPSIS -------- -'git-sh-setup' +'. "$(git --exec-path)/git-sh-setup"' DESCRIPTION ----------- @@ -16,7 +16,7 @@ This is not a command the end user would want to run. Ever. This documentation is meant for people who are studying the Porcelain-ish scripts and/or are writing new ones. -The `git-sh-setup` scriptlet is designed to be sourced (using +The 'git-sh-setup' scriptlet is designed to be sourced (using `.`) by other shell scripts to set up some variables pointing at the normal git directories and a few helper shell functions. @@ -77,4 +77,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-shell.txt b/Documentation/git-shell.txt index bc031e0cc2..ff420f8f8c 100644 --- a/Documentation/git-shell.txt +++ b/Documentation/git-shell.txt @@ -8,7 +8,7 @@ git-shell - Restricted login shell for GIT-only SSH access SYNOPSIS -------- -'git-shell' -c <command> <argument> +'$(git --exec-path)/git-shell' -c <command> <argument> DESCRIPTION ----------- @@ -18,7 +18,7 @@ of server-side GIT commands implementing the pull/push functionality. The commands can be executed only by the '-c' option; the shell is not interactive. -Currently, only the `git-receive-pack` and `git-upload-pack` commands +Currently, only the 'git-receive-pack' and 'git-upload-pack' commands are permitted to be called, with a single required argument. Author @@ -31,4 +31,4 @@ Documentation by Petr Baudis and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-shortlog.txt b/Documentation/git-shortlog.txt index d7cb4c0468..7ccf31ccc4 100644 --- a/Documentation/git-shortlog.txt +++ b/Documentation/git-shortlog.txt @@ -3,17 +3,17 @@ git-shortlog(1) NAME ---- -git-shortlog - Summarize 'git log' output +git-shortlog - Summarize 'git-log' output SYNOPSIS -------- [verse] -git-log --pretty=short | 'git-shortlog' [-h] [-n] [-s] [-e] [-w] -git-shortlog [-n|--numbered] [-s|--summary] [-e|--email] [-w[<width>[,<indent1>[,<indent2>]]]] [<committish>...] +git log --pretty=short | 'git shortlog' [-h] [-n] [-s] [-e] [-w] +git shortlog [-n|--numbered] [-s|--summary] [-e|--email] [-w[<width>[,<indent1>[,<indent2>]]]] [<committish>...] DESCRIPTION ----------- -Summarizes 'git log' output in a format suitable for inclusion +Summarizes 'git-log' output in a format suitable for inclusion in release announcements. Each commit will be grouped by author and the first line of the commit message will be shown. @@ -22,17 +22,21 @@ Additionally, "[PATCH]" will be stripped from the commit description. OPTIONS ------- --h, \--help:: +-h:: +--help:: Print a short usage message and exit. --n, \--numbered:: +-n:: +--numbered:: Sort output according to the number of commits per author instead of author alphabetic order. --s, \--summary:: +-s:: +--summary:: Suppress commit description and provide a commit count summary only. --e, \--email:: +-e:: +--email:: Show the email address of each author. -w[<width>[,<indent1>[,<indent2>]]]:: @@ -65,4 +69,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt index 0bb8250b20..14e10362b1 100644 --- a/Documentation/git-show-branch.txt +++ b/Documentation/git-show-branch.txt @@ -8,10 +8,10 @@ git-show-branch - Show branches and their commits SYNOPSIS -------- [verse] -'git-show-branch' [--all] [--remotes] [--topo-order] [--current] +'git show-branch' [--all] [--remotes] [--topo-order] [--current] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [<rev> | <glob>]... -'git-show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>] +'git show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>] DESCRIPTION ----------- @@ -29,7 +29,7 @@ no <rev> nor <glob> is given on the command line. OPTIONS ------- <rev>:: - Arbitrary extended SHA1 expression (see `git-rev-parse`) + Arbitrary extended SHA1 expression (see linkgit:git-rev-parse[1]) that typically names a branch HEAD or a tag. <glob>:: @@ -38,10 +38,12 @@ OPTIONS branches under $GIT_DIR/refs/heads/topic, giving `topic/*` would show all of them. --r|--remotes:: +-r:: +--remotes:: Show the remote-tracking branches. --a|--all:: +-a:: +--all:: Show both remote-tracking branches and local branches. --current:: @@ -190,4 +192,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-show-index.txt b/Documentation/git-show-index.txt index 535a884642..e3285aacfd 100644 --- a/Documentation/git-show-index.txt +++ b/Documentation/git-show-index.txt @@ -8,13 +8,13 @@ git-show-index - Show packed archive index SYNOPSIS -------- -'git-show-index' < idx-file +'git show-index' < idx-file DESCRIPTION ----------- Reads given idx file for packed git archive created with -git-pack-objects command, and dumps its contents. +'git-pack-objects' command, and dumps its contents. The information it outputs is subset of what you can get from 'git-verify-pack -v'; this command only shows the packfile @@ -31,4 +31,4 @@ Documentation by Junio C Hamano GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt index ce0e643fbe..9a4389981c 100644 --- a/Documentation/git-show-ref.txt +++ b/Documentation/git-show-ref.txt @@ -8,9 +8,9 @@ git-show-ref - List references in a local repository SYNOPSIS -------- [verse] -'git-show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] +'git show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash] [--abbrev] [--tags] [--heads] [--] <pattern>... -'git-show-ref' --exclude-existing[=pattern] +'git show-ref' --exclude-existing[=pattern] DESCRIPTION ----------- @@ -29,22 +29,26 @@ in the `.git` directory. OPTIONS ------- --h, --head:: +-h:: +--head:: Show the HEAD reference. ---tags, --heads:: +--tags:: +--heads:: Limit to only "refs/heads" and "refs/tags", respectively. These options are not mutually exclusive; when given both, references stored in "refs/heads" and "refs/tags" are displayed. --d, --dereference:: +-d:: +--dereference:: Dereference tags into object IDs as well. They will be shown with "^{}" appended. --s, --hash:: +-s:: +--hash:: Only show the SHA1 hash, not the reference name. When also using --dereference the dereferenced tag will still be shown after the SHA1. @@ -55,19 +59,22 @@ OPTIONS Aside from returning an error code of 1, it will also print an error message if '--quiet' was not specified. ---abbrev, --abbrev=len:: +--abbrev:: +--abbrev=len:: Abbreviate the object name. When using `--hash`, you do not have to say `--hash --abbrev`; `--hash=len` would do. --q, --quiet:: +-q:: +--quiet:: Do not print any results to stdout. When combined with '--verify' this can be used to silently check if a reference exists. ---exclude-existing, --exclude-existing=pattern:: +--exclude-existing:: +--exclude-existing=pattern:: - Make git-show-ref act as a filter that reads refs from stdin of the + Make 'git-show-ref' act as a filter that reads refs from stdin of the form "^(?:<anything>\s)?<refname>(?:\^\{\})?$" and performs the following actions on each: (1) strip "^{}" at the end of line if any; @@ -130,14 +137,14 @@ When using the '--verify' flag, the command requires an exact path: will only match the exact branch called "master". -If nothing matches, linkgit:git-show-ref[1] will return an error code of 1, +If nothing matches, 'git-show-ref' will return an error code of 1, and in the case of verification, it will show an error message. For scripting, you can ask it to be quiet with the "--quiet" flag, which allows you to do things like ----------------------------------------------------------------------------- - git-show-ref --quiet --verify -- "refs/heads/$headname" || + git show-ref --quiet --verify -- "refs/heads/$headname" || echo "$headname is not a valid branch" ----------------------------------------------------------------------------- @@ -169,4 +176,4 @@ Man page by Jonas Fonseca <fonseca@diku.dk>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-show.txt b/Documentation/git-show.txt index dccf0e20ec..e0b52bcb37 100644 --- a/Documentation/git-show.txt +++ b/Documentation/git-show.txt @@ -8,7 +8,7 @@ git-show - Show various types of objects SYNOPSIS -------- -'git-show' [options] <object>... +'git show' [options] <object>... DESCRIPTION ----------- @@ -20,12 +20,12 @@ presents the merge commit in a special format as produced by For tags, it shows the tag message and the referenced objects. -For trees, it shows the names (equivalent to linkgit:git-ls-tree[1] +For trees, it shows the names (equivalent to 'git-ls-tree' with \--name-only). For plain blobs, it shows the plain contents. -The command takes options applicable to the linkgit:git-diff-tree[1] command to +The command takes options applicable to the 'git-diff-tree' command to control how the changes the commit introduces are shown. This manual page describes only the most frequently used options. @@ -79,8 +79,6 @@ Documentation ------------- Documentation by David Greaves, Petr Baudis and the git-list <git@vger.kernel.org>. -This manual page is a stub. You can help the git documentation by expanding it. - GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-stash.txt b/Documentation/git-stash.txt index 8dc35d493e..9b6b911091 100644 --- a/Documentation/git-stash.txt +++ b/Documentation/git-stash.txt @@ -8,22 +8,22 @@ git-stash - Stash the changes in a dirty working directory away SYNOPSIS -------- [verse] -'git-stash' (list | show [<stash>] | apply [<stash>] | clear | drop [<stash>] | pop [<stash>]) -'git-stash' [save [<message>]] +'git stash' (list | show [<stash>] | apply [<stash>] | clear | drop [<stash>] | pop [<stash>]) +'git stash' [save [<message>]] DESCRIPTION ----------- -Use 'git-stash' when you want to record the current state of the +Use 'git stash' when you want to record the current state of the working directory and the index, but want to go back to a clean working directory. The command saves your local modifications away and reverts the working directory to match the `HEAD` commit. The modifications stashed away by this command can be listed with -`git-stash list`, inspected with `git-stash show`, and restored -(potentially on top of a different commit) with `git-stash apply`. -Calling git-stash without any arguments is equivalent to `git-stash -save`. A stash is by default listed as "WIP on 'branchname' ...", but +`git stash list`, inspected with `git stash show`, and restored +(potentially on top of a different commit) with `git stash apply`. +Calling `git stash` without any arguments is equivalent to `git stash save`. +A stash is by default listed as "WIP on 'branchname' ...", but you can give a more descriptive message on the command line when you create one. @@ -38,7 +38,7 @@ OPTIONS save [<message>]:: - Save your local modifications to a new 'stash', and run `git-reset + Save your local modifications to a new 'stash', and run `git reset --hard` to revert them. This is the default action when no subcommand is given. The <message> part is optional and gives the description along with the stashed state. @@ -56,15 +56,15 @@ stash@{0}: WIP on submit: 6ebd0e2... Update git-stash documentation stash@{1}: On master: 9cc0589... Add git-stash ---------------------------------------------------------------- + -The command takes options applicable to the linkgit:git-log[1] -command to control what is shown and how. +The command takes options applicable to the 'git-log' +command to control what is shown and how. See linkgit:git-log[1]. show [<stash>]:: Show the changes recorded in the stash as a diff between the stashed state and its original parent. When no `<stash>` is given, shows the latest one. By default, the command shows the diffstat, but - it will accept any format known to `git-diff` (e.g., `git-stash show + it will accept any format known to 'git-diff' (e.g., `git stash show -p stash@\{1}` to view the second most recent stash in patch form). apply [--index] [<stash>]:: @@ -158,7 +158,7 @@ $ git reset --soft HEAD^ ... continue hacking ... ---------------------------------------------------------------- + -You can use `git-stash` to simplify the above, like this: +You can use 'git-stash' to simplify the above, like this: + ---------------------------------------------------------------- ... hack hack hack ... @@ -182,4 +182,4 @@ Written by Nanako Shiraishi <nanako3@bluebottle.com> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt index ea4376a17f..57b7498239 100644 --- a/Documentation/git-status.txt +++ b/Documentation/git-status.txt @@ -8,7 +8,7 @@ git-status - Show the working tree status SYNOPSIS -------- -'git-status' <options>... +'git status' <options>... DESCRIPTION ----------- @@ -17,16 +17,16 @@ current HEAD commit, paths that have differences between the working tree and the index file, and paths in the working tree that are not tracked by git (and are not ignored by linkgit:gitignore[5]). The first are what you _would_ commit by running `git commit`; the second and -third are what you _could_ commit by running `git add` before running +third are what you _could_ commit by running 'git-add' before running `git commit`. -The command takes the same set of options as `git-commit`; it +The command takes the same set of options as 'git-commit'; it shows what would be committed if the same options are given to -`git-commit`. +'git-commit'. If there is no path that is different between the index file and the current HEAD commit (i.e., there is nothing to commit by running -`git-commit`), the command exits with non-zero status. +`git commit`), the command exits with non-zero status. OUTPUT @@ -57,7 +57,7 @@ to -1 or an unlimited number), the submodule summary will be enabled and a summary of commits for modified submodules will be shown (see --summary-limit option of linkgit:git-submodule[1]). -See Also +SEE ALSO -------- linkgit:gitignore[5] @@ -72,4 +72,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-stripspace.txt b/Documentation/git-stripspace.txt index fc5687502e..7508c0e42d 100644 --- a/Documentation/git-stripspace.txt +++ b/Documentation/git-stripspace.txt @@ -8,7 +8,7 @@ git-stripspace - Filter out empty lines SYNOPSIS -------- -'git-stripspace' [-s | --strip-comments] < <stream> +'git stripspace' [-s | --strip-comments] < <stream> DESCRIPTION ----------- @@ -16,7 +16,8 @@ Remove multiple empty lines, and empty lines at beginning and end. OPTIONS ------- --s|--strip-comments:: +-s:: +--strip-comments:: In addition to empty lines, also strip lines starting with '#'. <stream>:: @@ -32,4 +33,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index 0668f295ee..105fc2dcdc 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -9,11 +9,11 @@ git-submodule - Initialize, update or inspect submodules SYNOPSIS -------- [verse] -'git-submodule' [--quiet] add [-b branch] [--] <repository> [<path>] -'git-submodule' [--quiet] status [--cached] [--] [<path>...] -'git-submodule' [--quiet] init [--] [<path>...] -'git-submodule' [--quiet] update [--init] [--] [<path>...] -'git-submodule' [--quiet] summary [--summary-limit <n>] [commit] [--] [<path>...] +'git submodule' [--quiet] add [-b branch] [--] <repository> [<path>] +'git submodule' [--quiet] status [--cached] [--] [<path>...] +'git submodule' [--quiet] init [--] [<path>...] +'git submodule' [--quiet] update [--init] [--] [<path>...] +'git submodule' [--quiet] summary [--summary-limit <n>] [commit] [--] [<path>...] COMMANDS @@ -32,11 +32,11 @@ add:: status:: Show the status of the submodules. This will print the SHA-1 of the currently checked out commit for each submodule, along with the - submodule path and the output of linkgit:git-describe[1] for the + submodule path and the output of 'git-describe' for the SHA-1. Each SHA-1 will be prefixed with `-` if the submodule is not initialized and `+` if the currently checked out submodule commit does not match the SHA-1 found in the index of the containing - repository. This command is the default command for git-submodule. + repository. This command is the default command for 'git-submodule'. init:: Initialize the submodules, i.e. register in .git/config each submodule @@ -61,10 +61,12 @@ summary:: OPTIONS ------- --q, --quiet:: +-q:: +--quiet:: Only print error messages. --b, --branch:: +-b:: +--branch:: Branch of repository to add as submodule. --cached:: @@ -72,7 +74,8 @@ OPTIONS commands typically use the commit found in the submodule HEAD, but with this option, the commit stored in the index is used instead. --n, --summary-limit:: +-n:: +--summary-limit:: This option is only valid for the summary command. Limit the summary size (number of commits shown in total). Giving 0 will disable the summary; a negative number means unlimited @@ -98,4 +101,4 @@ Written by Lars Hjemli <hjemli@gmail.com> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index c6b56b4ef3..e7c0f1c959 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -7,21 +7,21 @@ git-svn - Bidirectional operation between a single Subversion branch and git SYNOPSIS -------- -'git-svn' <command> [options] [arguments] +'git svn' <command> [options] [arguments] DESCRIPTION ----------- -git-svn is a simple conduit for changesets between Subversion and git. +'git-svn' is a simple conduit for changesets between Subversion and git. It is not to be confused with linkgit:git-svnimport[1], which is read-only. -git-svn was originally designed for an individual developer who wants a +'git-svn' was originally designed for an individual developer who wants a bidirectional flow of changesets between a single branch in Subversion and an arbitrary number of branches in git. Since its inception, -git-svn has gained the ability to track multiple branches in a manner -similar to git-svnimport. +'git-svn' has gained the ability to track multiple branches in a manner +similar to 'git-svnimport'. -git-svn is especially useful when it comes to tracking repositories +'git-svn' is especially useful when it comes to tracking repositories not organized in the way Subversion developers recommend (trunk, branches, tags directories). @@ -31,7 +31,7 @@ COMMANDS 'init':: Initializes an empty git repository with additional - metadata directories for git-svn. The Subversion URL + metadata directories for 'git-svn'. The Subversion URL may be specified as a command-line argument, or as full URL arguments to -T/-t/-b. Optionally, the target directory to operate on can be specified as a second @@ -61,6 +61,16 @@ COMMANDS Set the 'useSvnsyncProps' option in the [svn-remote] config. --rewrite-root=<URL>;; Set the 'rewriteRoot' option in the [svn-remote] config. +--use-log-author;; + When retrieving svn commits into git (as part of fetch, rebase, or + dcommit operations), look for the first From: or Signed-off-by: line + in the log message and use that as the author string. +--add-author-from;; + When committing to svn from git (as part of commit or dcommit + operations), if the existing log message doesn't already have a + From: or Signed-off-by: line, append a From: line based on the + git commit's author string. If you use this, then --use-log-author + will retrieve a valid author string for all commits. --username=<USER>;; For transports that SVN handles authentication for (http, https, and plain svn), specify the username. For other @@ -97,12 +107,12 @@ COMMANDS This fetches revisions from the SVN parent of the current HEAD and rebases the current (uncommitted to SVN) work against it. -This works similarly to 'svn update' or 'git-pull' except that +This works similarly to `svn update` or 'git-pull' except that it preserves linear history with 'git-rebase' instead of -'git-merge' for ease of dcommiting with git-svn. +'git-merge' for ease of dcommiting with 'git-svn'. This accepts all options that 'git-svn fetch' and 'git-rebase' -accepts. However '--fetch-all' only fetches from the current +accept. However, '--fetch-all' only fetches from the current [svn-remote], and not all [svn-remote] definitions. Like 'git-rebase'; this requires that the working tree be clean @@ -118,7 +128,7 @@ and have no uncommitted changes. repository, and then rebase or reset (depending on whether or not there is a diff between SVN and head). This will create a revision in SVN for each commit in git. - It is recommended that you run git-svn fetch and rebase (not + It is recommended that you run 'git-svn' fetch and rebase (not pull or merge) your commits against the latest changes in the SVN repository. An optional command-line argument may be specified as an @@ -163,7 +173,7 @@ NOTE: SVN itself only stores times in UTC and nothing else. The regular svn client converts the UTC time to the local time (or based on the TZ= environment). This command has the same behaviour. + -Any other arguments are passed directly to `git log' +Any other arguments are passed directly to 'git-log' 'blame':: Show what revision and author last modified each line of a file. The @@ -171,10 +181,10 @@ Any other arguments are passed directly to `git log' `svn blame' by default. Like the SVN blame command, local uncommitted changes in the working copy are ignored; the version of the file in the HEAD revision is annotated. Unknown - arguments are passed directly to git-blame. + arguments are passed directly to 'git-blame'. + --git-format;; - Produce output in the same format as `git blame', but with + Produce output in the same format as 'git-blame', but with SVN revision numbers instead of git commit hashes. In this mode, changes that haven't been committed to SVN (including local working-copy edits) are shown as revision 0. @@ -193,13 +203,13 @@ Any other arguments are passed directly to `git log' absolutely no attempts to do patching when committing to SVN, it simply overwrites files with those specified in the tree or commit. All merging is assumed to have taken place - independently of git-svn functions. + independently of 'git-svn' functions. 'create-ignore':: - Recursively finds the svn:ignore property on directories and creates matching .gitignore files. The resulting files are staged to - be committed, but are not committed. + be committed, but are not committed. Use -r/--revision to refer to a + specfic revision. 'show-ignore':: Recursively finds and lists the svn:ignore property on @@ -209,12 +219,12 @@ Any other arguments are passed directly to `git log' 'commit-diff':: Commits the diff of two tree-ish arguments from the command-line. This command is intended for interoperability with - git-svnimport and does not rely on being inside an git-svn - init-ed repository. This command takes three arguments, (a) the + 'git-svnimport' and does not rely on being inside an `git-svn + init`-ed repository. This command takes three arguments, (a) the original tree to diff against, (b) the new tree result, (c) the URL of the target Subversion repository. The final argument - (URL) may be omitted if you are working from a git-svn-aware - repository (that has been init-ed with git-svn). + (URL) may be omitted if you are working from a 'git-svn'-aware + repository (that has been `init`-ed with 'git-svn'). The -r<revision> option is required for this. 'info':: @@ -223,6 +233,19 @@ Any other arguments are passed directly to `git log' argument. Use the --url option to output only the value of the 'URL:' field. +'proplist':: + Lists the properties stored in the Subversion repository about a + given file or directory. Use -r/--revision to refer to a specific + Subversion revision. + +'propget':: + Gets the Subversion property given as the first argument, for a + file. A specific revision can be specified with -r/--revision. + +'show-externals':: + Shows the Subversion externals. Use -r/--revision to specify a + specific revision. + -- OPTIONS @@ -232,7 +255,7 @@ OPTIONS --shared[={false|true|umask|group|all|world|everybody}]:: --template=<template_directory>:: Only used with the 'init' command. - These are passed directly to linkgit:git-init[1]. + These are passed directly to 'git-init'. -r <ARG>:: --revision <ARG>:: @@ -254,7 +277,7 @@ Only used with the 'set-tree' command. Read a list of commits from stdin and commit them in reverse order. Only the leading sha1 is read from each line, so -git-rev-list --pretty=oneline output can be used. +'git-rev-list --pretty=oneline' output can be used. --rmdir:: @@ -284,7 +307,7 @@ config key: svn.edit Only used with the 'dcommit', 'set-tree' and 'commit-diff' commands. -They are both passed directly to git-diff-tree see +They are both passed directly to 'git-diff-tree'; see linkgit:git-diff-tree[1] for more information. [verse] @@ -294,24 +317,24 @@ config key: svn.findcopiesharder -A<filename>:: --authors-file=<filename>:: -Syntax is compatible with the files used by git-svnimport and -git-cvsimport: +Syntax is compatible with the files used by 'git-svnimport' and +'git-cvsimport': ------------------------------------------------------------------------ loginname = Joe User <user@example.com> ------------------------------------------------------------------------ -If this option is specified and git-svn encounters an SVN -committer name that does not exist in the authors-file, git-svn +If this option is specified and 'git-svn' encounters an SVN +committer name that does not exist in the authors-file, 'git-svn' will abort operation. The user will then have to add the -appropriate entry. Re-running the previous git-svn command +appropriate entry. Re-running the previous 'git-svn' command after the authors-file is modified should continue operation. config key: svn.authorsfile -q:: --quiet:: - Make git-svn less verbose. + Make 'git-svn' less verbose. --repack[=<n>]:: --repack-flags=<flags>:: @@ -323,7 +346,7 @@ with many revisions. to fetch before repacking. This defaults to repacking every 1000 commits fetched if no argument is specified. ---repack-flags are passed directly to linkgit:git-repack[1]. +--repack-flags are passed directly to 'git-repack'. [verse] config key: svn.repack @@ -336,17 +359,21 @@ config key: svn.repackflags These are only used with the 'dcommit' and 'rebase' commands. -Passed directly to git-rebase when using 'dcommit' if a -'git-reset' cannot be used (see dcommit). +Passed directly to 'git-rebase' when using 'dcommit' if a +'git-reset' cannot be used (see 'dcommit'). -n:: --dry-run:: -This is only used with the 'dcommit' command. +This can be used with the 'dcommit' and 'rebase' commands. -Print out the series of git arguments that would show +For 'dcommit', print out the series of git arguments that would show which diffs would be committed to SVN. +For 'rebase', display the local branch associated with the upstream svn +repository associated with the current branch and the URL of svn +repository that will be fetched from. + -- ADVANCED OPTIONS @@ -384,9 +411,9 @@ CONFIG FILE-ONLY OPTIONS svn.noMetadata:: svn-remote.<name>.noMetadata:: -This gets rid of the git-svn-id: lines at the end of every commit. +This gets rid of the 'git-svn-id:' lines at the end of every commit. -If you lose your .git/svn/git-svn/.rev_db file, git-svn will not +If you lose your .git/svn/git-svn/.rev_db file, 'git-svn' will not be able to rebuild it and you won't be able to fetch again, either. This is fine for one-shot imports. @@ -397,7 +424,7 @@ option for (hopefully) obvious reasons. svn.useSvmProps:: svn-remote.<name>.useSvmProps:: -This allows git-svn to re-map repository URLs and UUIDs from +This allows 'git-svn' to re-map repository URLs and UUIDs from mirrors created using SVN::Mirror (or svk) for metadata. If an SVN revision has a property, "svm:headrev", it is likely @@ -416,20 +443,21 @@ svn-remote.<name>.useSvnsyncprops:: svn-remote.<name>.rewriteRoot:: This allows users to create repositories from alternate - URLs. For example, an administrator could run git-svn on the + URLs. For example, an administrator could run 'git-svn' on the server locally (accessing via file://) but wish to distribute the repository with a public http:// or svn:// URL in the metadata so users of it will see the public URL. +-- + Since the noMetadata, rewriteRoot, useSvnsyncProps and useSvmProps -options all affect the metadata generated and used by git-svn; they +options all affect the metadata generated and used by 'git-svn'; they *must* be set in the configuration file before any history is imported and these settings should never be changed once they are set. Additionally, only one of these four options can be used per-svn-remote section because they affect the 'git-svn-id:' metadata line. --- BASIC EXAMPLES -------------- @@ -438,7 +466,7 @@ Tracking and contributing to the trunk of a Subversion-managed project: ------------------------------------------------------------------------ # Clone a repo (like git clone): - git-svn clone http://svn.foo.org/project/trunk + git svn clone http://svn.foo.org/project/trunk # Enter the newly cloned directory: cd trunk # You should be on master branch, double-check with git-branch @@ -447,12 +475,12 @@ Tracking and contributing to the trunk of a Subversion-managed project: git commit ... # Something is committed to SVN, rebase your local changes against the # latest changes in SVN: - git-svn rebase + git svn rebase # Now commit your changes (that were committed previously using git) to SVN, # as well as automatically updating your working HEAD: - git-svn dcommit + git svn dcommit # Append svn:ignore settings to the default git exclude file: - git-svn show-ignore >> .git/info/exclude + git svn show-ignore >> .git/info/exclude ------------------------------------------------------------------------ Tracking and contributing to an entire Subversion-managed project @@ -460,7 +488,7 @@ Tracking and contributing to an entire Subversion-managed project ------------------------------------------------------------------------ # Clone a repo (like git clone): - git-svn clone http://svn.foo.org/project -T trunk -b branches -t tags + git svn clone http://svn.foo.org/project -T trunk -b branches -t tags # View all branches and tags you have cloned: git branch -r # Reset your master to trunk (or any other branch, replacing 'trunk' @@ -473,45 +501,45 @@ Tracking and contributing to an entire Subversion-managed project The initial 'git-svn clone' can be quite time-consuming (especially for large Subversion repositories). If multiple people (or one person with multiple machines) want to use -git-svn to interact with the same Subversion repository, you can +'git-svn' to interact with the same Subversion repository, you can do the initial 'git-svn clone' to a repository on a server and -have each person clone that repository with 'git clone': +have each person clone that repository with 'git-clone': ------------------------------------------------------------------------ # Do the initial import on a server - ssh server "cd /pub && git-svn clone http://svn.foo.org/project + ssh server "cd /pub && git svn clone http://svn.foo.org/project # Clone locally - make sure the refs/remotes/ space matches the server mkdir project cd project - git-init + git init git remote add origin server:/pub/project - git config --add remote.origin.fetch=+refs/remotes/*:refs/remotes/* + git config --add remote.origin.fetch '+refs/remotes/*:refs/remotes/*' git fetch # Initialize git-svn locally (be sure to use the same URL and -T/-b/-t options as were used on server) - git-svn init http://svn.foo.org/project + git svn init http://svn.foo.org/project # Pull the latest changes from Subversion - git-svn rebase + git svn rebase ------------------------------------------------------------------------ REBASE VS. PULL/MERGE --------------------- -Originally, git-svn recommended that the remotes/git-svn branch be +Originally, 'git-svn' recommended that the 'remotes/git-svn' branch be pulled or merged from. This is because the author favored -'git-svn set-tree B' to commit a single head rather than the -'git-svn set-tree A..B' notation to commit multiple commits. +`git svn set-tree B` to commit a single head rather than the +`git svn set-tree A..B` notation to commit multiple commits. -If you use 'git-svn set-tree A..B' to commit several diffs and you do +If you use `git svn set-tree A..B` to commit several diffs and you do not have the latest remotes/git-svn merged into my-branch, you should -use 'git-svn rebase' to update your work branch instead of 'git pull' or -'git merge'. 'pull/merge' can cause non-linear history to be flattened +use `git svn rebase` to update your work branch instead of `git pull` or +`git merge`. `pull`/`merge' can cause non-linear history to be flattened when committing into SVN, which can lead to merge commits reversing previous commits in SVN. DESIGN PHILOSOPHY ----------------- Merge tracking in Subversion is lacking and doing branched development -with Subversion can be cumbersome as a result. While git-svn can track +with Subversion can be cumbersome as a result. While 'git-svn' can track copy history (including branches and tags) for repositories adopting a standard layout, it cannot yet represent merge history that happened inside git back upstream to SVN users. Therefore it is advised that @@ -522,30 +550,30 @@ CAVEATS ------- For the sake of simplicity and interoperating with a less-capable system -(SVN), it is recommended that all git-svn users clone, fetch and dcommit -directly from the SVN server, and avoid all git-clone/pull/merge/push +(SVN), it is recommended that all 'git-svn' users clone, fetch and dcommit +directly from the SVN server, and avoid all 'git-clone'/'pull'/'merge'/'push' operations between git repositories and branches. The recommended method of exchanging code between git branches and users is -git-format-patch and git-am, or just dcommiting to the SVN repository. +'git-format-patch' and 'git-am', or just 'dcommit'ing to the SVN repository. Running 'git-merge' or 'git-pull' is NOT recommended on a branch you -plan to dcommit from. Subversion does not represent merges in any +plan to 'dcommit' from. Subversion does not represent merges in any reasonable or useful fashion; so users using Subversion cannot see any merges you've made. Furthermore, if you merge or pull from a git branch -that is a mirror of an SVN branch, dcommit may commit to the wrong +that is a mirror of an SVN branch, 'dcommit' may commit to the wrong branch. 'git-clone' does not clone branches under the refs/remotes/ hierarchy or -any git-svn metadata, or config. So repositories created and managed with -using git-svn should use rsync(1) for cloning, if cloning is to be done +any 'git-svn' metadata, or config. So repositories created and managed with +using 'git-svn' should use 'rsync' for cloning, if cloning is to be done at all. -Since 'dcommit' uses rebase internally, any git branches you git-push to -before dcommit on will require forcing an overwrite of the existing ref +Since 'dcommit' uses rebase internally, any git branches you 'git-push' to +before 'dcommit' on will require forcing an overwrite of the existing ref on the remote repository. This is generally considered bad practice, -see the git-push(1) documentation for details. +see the linkgit:git-push[1] documentation for details. -Do not use the --amend option of git-commit(1) on a change you've +Do not use the --amend option of linkgit:git-commit[1] on a change you've already dcommitted. It is considered bad practice to --amend commits you've already pushed to a remote repository for other users, and dcommit with SVN is analogous to that. @@ -566,7 +594,7 @@ for git to detect them. CONFIGURATION ------------- -git-svn stores [svn-remote] configuration information in the +'git-svn' stores [svn-remote] configuration information in the repository .git/config file. It is similar the core git [remote] sections except 'fetch' keys do not accept glob arguments; but they are instead handled by the 'branches' @@ -587,8 +615,7 @@ Keep in mind that the '*' (asterisk) wildcard of the local ref however the remote wildcard may be anywhere as long as it's own independent path component (surrounded by '/' or EOL). This type of configuration is not automatically created by 'init' and -should be manually entered with a text-editor or using -linkgit:git-config[1] +should be manually entered with a text-editor or using 'git-config'. SEE ALSO -------- diff --git a/Documentation/git-symbolic-ref.txt b/Documentation/git-symbolic-ref.txt index a5b40f3e85..6266e6f658 100644 --- a/Documentation/git-symbolic-ref.txt +++ b/Documentation/git-symbolic-ref.txt @@ -7,7 +7,7 @@ git-symbolic-ref - Read and modify symbolic refs SYNOPSIS -------- -'git-symbolic-ref' [-q] [-m <reason>] <name> [<ref>] +'git symbolic-ref' [-q] [-m <reason>] <name> [<ref>] DESCRIPTION ----------- @@ -26,7 +26,8 @@ a regular file whose contents is `ref: refs/heads/master`. OPTIONS ------- --q, --quiet:: +-q:: +--quiet:: Do not issue an error message if the <name> is not a symbolic ref but a detached HEAD; instead exit with non-zero status silently. @@ -48,7 +49,7 @@ cumbersome. On some platforms, `ln -sf` does not even work as advertised (horrors). Therefore symbolic links are now deprecated and symbolic refs are used by default. -git-symbolic-ref will exit with status 0 if the contents of the +'git-symbolic-ref' will exit with status 0 if the contents of the symbolic ref were printed correctly, with status 1 if the requested name is not a symbolic ref, or 128 if another error occurs. @@ -58,4 +59,4 @@ Written by Junio C Hamano <junkio@cox.net> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index 9712392f79..b605e6caa2 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt @@ -9,10 +9,10 @@ git-tag - Create, list, delete or verify a tag object signed with GPG SYNOPSIS -------- [verse] -'git-tag' [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <name> [<head>] -'git-tag' -d <name>... -'git-tag' [-n[<num>]] -l [<pattern>] -'git-tag' -v <name>... +'git tag' [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <name> [<head>] +'git tag' -d <name>... +'git tag' [-n[<num>]] -l [<pattern>] +'git tag' -v <name>... DESCRIPTION ----------- @@ -82,7 +82,7 @@ OPTIONS CONFIGURATION ------------- -By default, git-tag in sign-with-default mode (-s) will use your +By default, 'git-tag' in sign-with-default mode (-s) will use your committer identity (of the form "Your Name <your@email.address>") to find a key. If you want to use a different default key, you can specify it in the repository configuration as follows: @@ -118,12 +118,12 @@ and be done with it. . The insane thing. You really want to call the new version "X" too, 'even though' -others have already seen the old one. So just use "git tag -f" +others have already seen the old one. So just use 'git-tag -f' again, as if you hadn't already published the old one. However, Git does *not* (and it should not) change tags behind -users back. So if somebody already got the old tag, doing a "git -pull" on your tree shouldn't just make them overwrite the old +users back. So if somebody already got the old tag, doing a +'git-pull' on your tree shouldn't just make them overwrite the old one. If somebody got a release tag from you, you cannot just change @@ -177,7 +177,7 @@ private anchor point tags from the other person. You would notice "please pull" messages on the mailing list says repo URL and branch name alone. This is designed to be easily -cut&pasted to "git fetch" command line: +cut&pasted to a 'git-fetch' command line: ------------ Linus, please pull from @@ -255,4 +255,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-tar-tree.txt b/Documentation/git-tar-tree.txt index 65c68176e5..a5d9558dd1 100644 --- a/Documentation/git-tar-tree.txt +++ b/Documentation/git-tar-tree.txt @@ -8,23 +8,23 @@ git-tar-tree - Create a tar archive of the files in the named tree object SYNOPSIS -------- -'git-tar-tree' [--remote=<repo>] <tree-ish> [ <base> ] +'git tar-tree' [--remote=<repo>] <tree-ish> [ <base> ] DESCRIPTION ----------- -THIS COMMAND IS DEPRECATED. Use `git-archive` with `--format=tar` +THIS COMMAND IS DEPRECATED. Use 'git-archive' with `--format=tar` option instead (and move the <base> argument to `--prefix=base/`). Creates a tar archive containing the tree structure for the named tree. When <base> is specified it is added as a leading path to the files in the generated tar archive. -git-tar-tree behaves differently when given a tree ID versus when given +'git-tar-tree' behaves differently when given a tree ID versus when given a commit ID or tag ID. In the first case the current time is used as modification time of each file in the archive. In the latter case the commit time as recorded in the referenced commit object is used instead. Additionally the commit ID is stored in a global extended pax header. -It can be extracted using git-get-tar-commit-id. +It can be extracted using 'git-get-tar-commit-id'. OPTIONS ------- @@ -86,4 +86,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-unpack-file.txt b/Documentation/git-unpack-file.txt index 1864d13ed8..995db9fead 100644 --- a/Documentation/git-unpack-file.txt +++ b/Documentation/git-unpack-file.txt @@ -9,7 +9,7 @@ git-unpack-file - Creates a temporary file with a blob's contents SYNOPSIS -------- -'git-unpack-file' <blob> +'git unpack-file' <blob> DESCRIPTION ----------- @@ -32,4 +32,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt index 50947c50df..36d1038056 100644 --- a/Documentation/git-unpack-objects.txt +++ b/Documentation/git-unpack-objects.txt @@ -8,7 +8,7 @@ git-unpack-objects - Unpack objects from a packed archive SYNOPSIS -------- -'git-unpack-objects' [-n] [-q] [-r] [--strict] <pack-file +'git unpack-objects' [-n] [-q] [-r] [--strict] <pack-file DESCRIPTION @@ -21,7 +21,7 @@ Objects that already exist in the repository will *not* be unpacked from the pack-file. Therefore, nothing will be unpacked if you use this command on a pack-file that exists within the target repository. -Please see the `git-repack` documentation for options to generate +See linkgit:git-repack[1] for options to generate new packs and replace existing ones. OPTIONS @@ -54,4 +54,4 @@ Documentation by Junio C Hamano GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt index 66be18ef36..a91fd214d2 100644 --- a/Documentation/git-update-index.txt +++ b/Documentation/git-update-index.txt @@ -9,12 +9,13 @@ git-update-index - Register file contents in the working tree to the index SYNOPSIS -------- [verse] -'git-update-index' +'git update-index' [--add] [--remove | --force-remove] [--replace] [--refresh] [-q] [--unmerged] [--ignore-missing] [--cacheinfo <mode> <object> <file>]\* [--chmod=(+|-)x] [--assume-unchanged | --no-assume-unchanged] + [--ignore-submodules] [--really-refresh] [--unresolve] [--again | -g] [--info-only] [--index-info] [-z] [--stdin] @@ -30,7 +31,7 @@ cleared. See also linkgit:git-add[1] for a more user-friendly way to do some of the most common operations on the index. -The way "git-update-index" handles files it is told about can be modified +The way 'git-update-index' handles files it is told about can be modified using the various options: OPTIONS @@ -52,11 +53,15 @@ OPTIONS -q:: Quiet. If --refresh finds that the index needs an update, the default behavior is to error out. This option makes - git-update-index continue anyway. + 'git-update-index' continue anyway. + +--ignore-submodules: + Do not try to update submodules. This option is only respected + when passed before --refresh. --unmerged:: If --refresh finds unmerged changes in the index, the default - behavior is to error out. This option makes git-update-index + behavior is to error out. This option makes 'git-update-index' continue anyway. --ignore-missing:: @@ -71,7 +76,8 @@ OPTIONS --chmod=(+|-)x:: Set the execute permissions on the updated files. ---assume-unchanged, --no-assume-unchanged:: +--assume-unchanged:: +--no-assume-unchanged:: When these flags are specified, the object name recorded for the paths are not updated. Instead, these options sets and unsets the "assume unchanged" bit for the @@ -83,8 +89,9 @@ OPTIONS filesystem that has very slow lstat(2) system call (e.g. cifs). ---again, -g:: - Runs `git-update-index` itself on the paths whose index +-g:: +--again:: + Runs 'git-update-index' itself on the paths whose index entries are different from those from the `HEAD` commit. --unresolve:: @@ -102,7 +109,7 @@ OPTIONS --replace:: By default, when a file `path` exists in the index, - git-update-index refuses an attempt to add `path/file`. + 'git-update-index' refuses an attempt to add `path/file`. Similarly if a file `path/file` exists, a file `path` cannot be added. With --replace flag, existing entries that conflicts with the entry being added are @@ -138,7 +145,7 @@ up-to-date for mode/content changes. But what it *does* do is to can refresh the index for a file that hasn't been changed but where the stat entry is out of date. -For example, you'd want to do this after doing a "git-read-tree", to link +For example, you'd want to do this after doing a 'git-read-tree', to link up the stat index details with the proper files. Using --cacheinfo or --info-only @@ -150,7 +157,7 @@ merging. To pretend you have a file with mode and sha1 at path, say: ---------------- -$ git-update-index --cacheinfo mode sha1 path +$ git update-index --cacheinfo mode sha1 path ---------------- '--info-only' is used to register files without placing them in the object @@ -179,13 +186,13 @@ back on 3-way merge. . mode SP type SP sha1 TAB path + -The second format is to stuff git-ls-tree output +The second format is to stuff 'git-ls-tree' output into the index file. . mode SP sha1 SP stage TAB path + This format is to put higher order stages into the -index file and matches git-ls-files --stage output. +index file and matches 'git-ls-files --stage' output. To place a higher stage entry to the index, the path should first be removed by feeding a mode=0 entry for the path, and @@ -240,13 +247,13 @@ In order to set "assume unchanged" bit, use `--assume-unchanged` option. To unset, use `--no-assume-unchanged`. The command looks at `core.ignorestat` configuration variable. When -this is true, paths updated with `git-update-index paths...` and +this is true, paths updated with `git update-index paths...` and paths updated with other git commands that update both index and -working tree (e.g. `git-apply --index`, `git-checkout-index -u`, -and `git-read-tree -u`) are automatically marked as "assume +working tree (e.g. 'git-apply --index', 'git-checkout-index -u', +and 'git-read-tree -u') are automatically marked as "assume unchanged". Note that "assume unchanged" bit is *not* set if -`git-update-index --refresh` finds the working tree file matches -the index (use `git-update-index --really-refresh` if you want +`git update-index --refresh` finds the working tree file matches +the index (use `git update-index --really-refresh` if you want to mark them as "assume unchanged"). @@ -255,7 +262,7 @@ Examples To update and refresh only the files already checked out: ---------------- -$ git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh +$ git checkout-index -n -f -a && git update-index --ignore-missing --refresh ---------------- On an inefficient filesystem with `core.ignorestat` set:: @@ -296,7 +303,7 @@ unreliable, this should be set to 'false' (see linkgit:git-config[1]). This causes the command to ignore differences in file modes recorded in the index and the file mode on the filesystem if they differ only on executable bit. On such an unfortunate filesystem, you may -need to use `git-update-index --chmod=`. +need to use 'git-update-index --chmod='. Quite similarly, if `core.symlinks` configuration variable is set to 'false' (see linkgit:git-config[1]), symbolic links are checked out @@ -307,7 +314,7 @@ The command looks at `core.ignorestat` configuration variable. See 'Using "assume unchanged" bit' section above. -See Also +SEE ALSO -------- linkgit:git-config[1], linkgit:git-add[1] @@ -323,4 +330,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index 4dc475992e..9639f705af 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -7,18 +7,18 @@ git-update-ref - Update the object name stored in a ref safely SYNOPSIS -------- -'git-update-ref' [-m <reason>] (-d <ref> <oldvalue> | [--no-deref] <ref> <newvalue> [<oldvalue>]) +'git update-ref' [-m <reason>] (-d <ref> [<oldvalue>] | [--no-deref] <ref> <newvalue> [<oldvalue>]) DESCRIPTION ----------- Given two arguments, stores the <newvalue> in the <ref>, possibly -dereferencing the symbolic refs. E.g. `git-update-ref HEAD +dereferencing the symbolic refs. E.g. `git update-ref HEAD <newvalue>` updates the current branch head to the new object. Given three arguments, stores the <newvalue> in the <ref>, possibly dereferencing the symbolic refs, after verifying that the current value of the <ref> matches <oldvalue>. -E.g. `git-update-ref refs/heads/master <newvalue> <oldvalue>` +E.g. `git update-ref refs/heads/master <newvalue> <oldvalue>` updates the master branch head to <newvalue> only if its current value is <oldvalue>. You can specify 40 "0" or an empty string as <oldvalue> to make sure that the ref you are creating does @@ -41,7 +41,7 @@ the result of following the symbolic pointers. In general, using - git-update-ref HEAD "$head" + git update-ref HEAD "$head" should be a _lot_ safer than doing @@ -61,7 +61,7 @@ still contains <oldvalue>. Logging Updates --------------- If config parameter "core.logAllRefUpdates" is true or the file -"$GIT_DIR/logs/<ref>" exists then `git-update-ref` will append +"$GIT_DIR/logs/<ref>" exists then `git update-ref` will append a line to the log file "$GIT_DIR/logs/<ref>" (dereferencing all symbolic refs before creating the log name) describing the change in ref value. Log lines are formatted as: @@ -90,4 +90,4 @@ Written by Linus Torvalds <torvalds@osdl.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-update-server-info.txt b/Documentation/git-update-server-info.txt index 1cf89fd79e..bc1207a317 100644 --- a/Documentation/git-update-server-info.txt +++ b/Documentation/git-update-server-info.txt @@ -8,7 +8,7 @@ git-update-server-info - Update auxiliary info file to help dumb servers SYNOPSIS -------- -'git-update-server-info' [--force] +'git update-server-info' [--force] DESCRIPTION ----------- @@ -22,7 +22,8 @@ generates such auxiliary files. OPTIONS ------- --f|--force:: +-f:: +--force:: Update the info files from scratch. @@ -30,8 +31,8 @@ OUTPUT ------ Currently the command updates the following files. Please see -link:repository-layout.html[repository-layout] for description -of what they are for: +linkgit:gitrepository-layout[5] for description of +what they are for: * objects/info/packs @@ -54,4 +55,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-upload-archive.txt b/Documentation/git-upload-archive.txt index c1ef1440bc..bbd7617587 100644 --- a/Documentation/git-upload-archive.txt +++ b/Documentation/git-upload-archive.txt @@ -8,7 +8,7 @@ git-upload-archive - Send archive back to git-archive SYNOPSIS -------- -'git-upload-archive' <directory> +'git upload-archive' <directory> DESCRIPTION ----------- @@ -34,4 +34,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-upload-pack.txt b/Documentation/git-upload-pack.txt index 2330d13814..b8e49dce4a 100644 --- a/Documentation/git-upload-pack.txt +++ b/Documentation/git-upload-pack.txt @@ -8,7 +8,7 @@ git-upload-pack - Send objects packed back to git-fetch-pack SYNOPSIS -------- -'git-upload-pack' [--strict] [--timeout=<n>] <directory> +'git upload-pack' [--strict] [--timeout=<n>] <directory> DESCRIPTION ----------- @@ -24,10 +24,10 @@ repository. For push operations, see 'git-send-pack'. OPTIONS ------- -\--strict:: +--strict:: Do not try <directory>/.git/ if <directory> is no git directory. -\--timeout=<n>:: +--timeout=<n>:: Interrupt transfer after <n> seconds of inactivity. <directory>:: @@ -43,4 +43,4 @@ Documentation by Junio C Hamano. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-var.txt b/Documentation/git-var.txt index 2980283905..3647dd6c8f 100644 --- a/Documentation/git-var.txt +++ b/Documentation/git-var.txt @@ -8,7 +8,7 @@ git-var - Show a git logical variable SYNOPSIS -------- -'git-var' [ -l | <variable> ] +'git var' [ -l | <variable> ] DESCRIPTION ----------- @@ -20,11 +20,11 @@ OPTIONS Cause the logical variables to be listed. In addition, all the variables of the git configuration file .git/config are listed as well. (However, the configuration variables listing functionality - is deprecated in favor of `git-config -l`.) + is deprecated in favor of 'git-config -l'.) EXAMPLE -------- - $ git-var GIT_AUTHOR_IDENT + $ git var GIT_AUTHOR_IDENT Eric W. Biederman <ebiederm@lnxi.com> 1121223278 -0600 @@ -45,7 +45,7 @@ Your parents must have hated you!:: Your sysadmin must hate you!:: The password(5) name field is longer than a giant static buffer. -See Also +SEE ALSO -------- linkgit:git-commit-tree[1] linkgit:git-tag[1] @@ -61,4 +61,4 @@ Documentation by Eric Biederman and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-verify-pack.txt b/Documentation/git-verify-pack.txt index ba2a157299..53a9ce3085 100644 --- a/Documentation/git-verify-pack.txt +++ b/Documentation/git-verify-pack.txt @@ -8,13 +8,13 @@ git-verify-pack - Validate packed git archive files SYNOPSIS -------- -'git-verify-pack' [-v] [--] <pack>.idx ... +'git verify-pack' [-v] [--] <pack>.idx ... DESCRIPTION ----------- -Reads given idx file for packed git archive created with -git-pack-objects command and verifies idx file and the +Reads given idx file for packed git archive created with the +'git-pack-objects' command and verifies idx file and the corresponding pack file. OPTIONS @@ -50,4 +50,4 @@ Documentation by Junio C Hamano GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-verify-tag.txt b/Documentation/git-verify-tag.txt index 7e9c1ed15b..ba837df4bc 100644 --- a/Documentation/git-verify-tag.txt +++ b/Documentation/git-verify-tag.txt @@ -7,11 +7,11 @@ git-verify-tag - Check the GPG signature of tags SYNOPSIS -------- -'git-verify-tag' <tag>... +'git verify-tag' <tag>... DESCRIPTION ----------- -Validates the gpg signature created by git-tag. +Validates the gpg signature created by 'git-tag'. OPTIONS ------- @@ -28,4 +28,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-web--browse.txt b/Documentation/git-web--browse.txt index 5ba0b9f1c9..36afad8d4e 100644 --- a/Documentation/git-web--browse.txt +++ b/Documentation/git-web--browse.txt @@ -7,7 +7,7 @@ git-web--browse - git helper script to launch a web browser SYNOPSIS -------- -'git-web--browse' [OPTIONS] URL/FILE ... +'git web--browse' [OPTIONS] URL/FILE ... DESCRIPTION ----------- @@ -31,14 +31,17 @@ Custom commands may also be specified. OPTIONS ------- --b BROWSER|--browser=BROWSER:: +-b BROWSER:: +--browser=BROWSER:: Use the specified BROWSER. It must be in the list of supported browsers. --t BROWSER|--tool=BROWSER:: +-t BROWSER:: +--tool=BROWSER:: Same as above. --c CONF.VAR|--config=CONF.VAR:: +-c CONF.VAR:: +--config=CONF.VAR:: CONF.VAR is looked up in the git config files. If it's set, then its value specify the browser that should be used. @@ -67,7 +70,7 @@ browser.<tool>.cmd When the browser, specified by options or configuration variables, is not among the supported ones, then the corresponding 'browser.<tool>.cmd' configuration variable will be looked up. If this -variable exists then "git web--browse" will treat the specified tool +variable exists then 'git-web--browse' will treat the specified tool as a custom command and will use a shell eval to run the command with the URLs passed as arguments. @@ -93,7 +96,7 @@ the following: cmd = A_PATH_TO/konqueror ------------------------------------------------ -Note about git config --global +Note about git-config --global ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Note that these configuration variables should probably be set using @@ -109,7 +112,7 @@ See linkgit:git-config[1] for more information about this. Author ------ Written by Christian Couder <chriscool@tuxfamily.org> and the git-list -<git@vger.kernel.org>, based on git-mergetool by Theodore Y. Ts'o. +<git@vger.kernel.org>, based on 'git-mergetool' by Theodore Y. Ts'o. Documentation ------------- @@ -118,4 +121,4 @@ git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-whatchanged.txt b/Documentation/git-whatchanged.txt index a6e7bd4c8b..d7fad15329 100644 --- a/Documentation/git-whatchanged.txt +++ b/Documentation/git-whatchanged.txt @@ -8,7 +8,7 @@ git-whatchanged - Show logs with difference each commit introduces SYNOPSIS -------- -'git-whatchanged' <option>... +'git whatchanged' <option>... DESCRIPTION ----------- @@ -52,12 +52,12 @@ include::pretty-formats.txt[] Examples -------- -git-whatchanged -p v2.6.12.. include/scsi drivers/scsi:: +git whatchanged -p v2.6.12.. include/scsi drivers/scsi:: Show as patches the commits since version 'v2.6.12' that changed any file in the include/scsi or drivers/scsi subdirectories -git-whatchanged --since="2 weeks ago" \-- gitk:: +git whatchanged --since="2 weeks ago" \-- gitk:: Show the changes during the last two weeks to the file 'gitk'. The "--" is necessary to avoid confusion with the *branch* named @@ -76,4 +76,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git-write-tree.txt b/Documentation/git-write-tree.txt index 461c813f5a..26d3850e73 100644 --- a/Documentation/git-write-tree.txt +++ b/Documentation/git-write-tree.txt @@ -8,7 +8,7 @@ git-write-tree - Create a tree object from the current index SYNOPSIS -------- -'git-write-tree' [--missing-ok] [--prefix=<prefix>/] +'git write-tree' [--missing-ok] [--prefix=<prefix>/] DESCRIPTION ----------- @@ -16,17 +16,17 @@ Creates a tree object using the current index. The index must be in a fully merged state. -Conceptually, `git-write-tree` sync()s the current index contents +Conceptually, 'git-write-tree' sync()s the current index contents into a set of tree files. In order to have that match what is actually in your directory right -now, you need to have done a `git-update-index` phase before you did the -`git-write-tree`. +now, you need to have done a 'git-update-index' phase before you did the +'git-write-tree'. OPTIONS ------- --missing-ok:: - Normally `git-write-tree` ensures that the objects referenced by the + Normally 'git-write-tree' ensures that the objects referenced by the directory exist in the object database. This option disables this check. @@ -46,4 +46,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/git.txt b/Documentation/git.txt index 4ffe802371..b7546aca1c 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -1,4 +1,4 @@ -git(7) +git(1) ====== NAME @@ -20,11 +20,11 @@ Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. -See this link:tutorial.html[tutorial] to get started, then see +See linkgit:gittutorial[7] to get started, then see link:everyday.html[Everyday Git] for a useful minimum set of commands, and "man git-commandname" for documentation of each command. CVS users may -also want to read link:cvs-migration.html[CVS migration]. See -link:user-manual.html[Git User's Manual] for a more in-depth +also want to read linkgit:gitcvs-migration[7]. See +the link:user-manual.html[Git User's Manual] for a more in-depth introduction. The COMMAND is either a name of a Git command (see below) or an alias @@ -43,14 +43,22 @@ unreleased) version of git, that is available from 'master' branch of the `git.git` repository. Documentation for older releases are available here: -* link:v1.5.5/git.html[documentation for release 1.5.5] +* link:v1.5.6.2/git.html[documentation for release 1.5.6.2] * release notes for + link:RelNotes-1.5.6.2.txt[1.5.6.2]. + link:RelNotes-1.5.6.1.txt[1.5.6.1]. + link:RelNotes-1.5.6.txt[1.5.6]. + +* link:v1.5.5.4/git.html[documentation for release 1.5.5.4] + +* release notes for + link:RelNotes-1.5.5.4.txt[1.5.5.4], + link:RelNotes-1.5.5.3.txt[1.5.5.3], + link:RelNotes-1.5.5.2.txt[1.5.5.2], link:RelNotes-1.5.5.1.txt[1.5.5.1], link:RelNotes-1.5.5.txt[1.5.5]. -* link:v1.5.5.1/git.html[documentation for release 1.5.5.1] - * link:v1.5.4.5/git.html[documentation for release 1.5.4.5] * release notes for @@ -74,6 +82,8 @@ Documentation for older releases are available here: link:RelNotes-1.5.3.1.txt[1.5.3.1], link:RelNotes-1.5.3.txt[1.5.3]. +* link:v1.5.2.5/git.html[documentation for release 1.5.2.5] + * release notes for link:RelNotes-1.5.2.5.txt[1.5.2.5], link:RelNotes-1.5.2.4.txt[1.5.2.4], @@ -126,16 +136,17 @@ OPTIONS + Other options are available to control how the manual page is displayed. See linkgit:git-help[1] for more information, -because 'git --help ...' is converted internally into 'git -help ...'. +because `git --help ...` is converted internally into `git +help ...`. --exec-path:: Path to wherever your core git programs are installed. This can also be controlled by setting the GIT_EXEC_PATH - environment variable. If no path is given 'git' will print + environment variable. If no path is given, 'git' will print the current setting and then exit. --p|--paginate:: +-p:: +--paginate:: Pipe all output into 'less' (or if set, $PAGER). --no-pager:: @@ -172,13 +183,14 @@ See the references above to get started using git. The following is probably more detail than necessary for a first-time user. The link:user-manual.html#git-concepts[git concepts chapter of the -user-manual] and the link:core-tutorial.html[Core tutorial] both provide +user-manual] and linkgit:gitcore-tutorial[7] both provide introductions to the underlying git architecture. See also the link:howto-index.html[howto] documents for some useful examples. -The internals are documented link:technical/api-index.html[here]. +The internals are documented in the +link:technical/api-index.html[GIT API documentation]. GIT COMMANDS ------------ @@ -362,9 +374,9 @@ For a more complete list of ways to spell object names, see File/Directory Structure ------------------------ -Please see the link:repository-layout.html[repository layout] document. +Please see the linkgit:gitrepository-layout[5] document. -Read linkgit:githooks[5][hooks] for more details about each hook. +Read linkgit:githooks[5] for more details about each hook. Higher level SCMs may provide and manage additional information in the `$GIT_DIR`. @@ -372,7 +384,7 @@ Higher level SCMs may provide and manage additional information in the Terminology ----------- -Please see the link:glossary.html[glossary] document. +Please see linkgit:gitglossary[7]. Environment Variables @@ -399,9 +411,9 @@ git so take care if using Cogito etc. 'GIT_ALTERNATE_OBJECT_DIRECTORIES':: Due to the immutable nature of git objects, old objects can be archived into shared, read-only directories. This variable - specifies a ":" separated list of git object directories which - can be used to search for git objects. New objects will not be - written to these directories. + specifies a ":" separated (on Windows ";" separated) list + of git object directories which can be used to search for git + objects. New objects will not be written to these directories. 'GIT_DIR':: If the 'GIT_DIR' environment variable is set then it @@ -480,10 +492,10 @@ other a pager. 'GIT_SSH':: - If this environment variable is set then linkgit:git-fetch[1] - and linkgit:git-push[1] will use this command instead - of `ssh` when they need to connect to a remote system. - The 'GIT_SSH' command will be given exactly two arguments: + If this environment variable is set then 'git-fetch' + and 'git-push' will use this command instead + of 'ssh' when they need to connect to a remote system. + The '$GIT_SSH' command will be given exactly two arguments: the 'username@host' (or just 'host') from the URL and the shell command to execute on that remote system. + @@ -497,8 +509,8 @@ for further details. 'GIT_FLUSH':: If this environment variable is set to "1", then commands such - as git-blame (in incremental mode), git-rev-list, git-log, - git-whatchanged, etc., will force a flush of the output stream + as 'git-blame' (in incremental mode), 'git-rev-list', 'git-log', + and 'git-whatchanged' will force a flush of the output stream after each commit-oriented record have been flushed. If this variable is set to "0", the output of these commands will be done using completely buffered I/O. If this environment variable is @@ -524,7 +536,7 @@ Discussion[[Discussion]] More detail on the following is available from the link:user-manual.html#git-concepts[git concepts chapter of the -user-manual] and the link:core-tutorial.html[Core tutorial]. +user-manual] and linkgit:gitcore-tutorial[7]. A git project normally consists of a working directory with a ".git" subdirectory at the top level. The .git directory contains, among other @@ -585,6 +597,13 @@ The documentation for git suite was started by David Greaves <david@dgreaves.com>, and later enhanced greatly by the contributors on the git-list <git@vger.kernel.org>. +SEE ALSO +-------- +linkgit:gittutorial[7], linkgit:gittutorial-2[7], +linkgit:giteveryday[7], linkgit:gitcvs-migration[7], +linkgit:gitglossary[7], linkgit:gitcore-tutorial[7], +linkgit:gitcli[7], link:user-manual.html[The Git User's Manual] + GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index 04ca63ca3d..d7b41142d2 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -87,9 +87,9 @@ Checking-out and checking-in These attributes affect how the contents stored in the repository are copied to the working tree files when commands -such as `git checkout` and `git merge` run. They also affect how +such as 'git-checkout' and 'git-merge' run. They also affect how git stores the contents you prepare in the working tree in the -repository upon `git add` and `git commit`. +repository upon 'git-add' and 'git-commit'. `crlf` ^^^^^^ @@ -148,16 +148,16 @@ an irreversible conversion. The safety triggers to prevent such a conversion done to the files in the work tree, but there are a few exceptions. Even though... -- "git add" itself does not touch the files in the work tree, the +- 'git-add' itself does not touch the files in the work tree, the next checkout would, so the safety triggers; -- "git apply" to update a text file with a patch does touch the files +- 'git-apply' to update a text file with a patch does touch the files in the work tree, but the operation is about text files and CRLF conversion is about fixing the line ending inconsistencies, so the safety does not trigger; -- "git diff" itself does not touch the files in the work tree, it is - often run to inspect the changes you intend to next "git add". To +- 'git-diff' itself does not touch the files in the work tree, it is + often run to inspect the changes you intend to next 'git-add'. To catch potential problems early, safety triggers. @@ -214,7 +214,7 @@ with `crlf`, and then `ident` and fed to `filter`. Generating diff text ~~~~~~~~~~~~~~~~~~~~ -The attribute `diff` affects if `git diff` generates textual +The attribute `diff` affects if 'git-diff' generates textual patch for the path or just says `Binary files differ`. It also can affect what line is shown on the hunk header `@@ -k,l +n,m @@` line. @@ -265,7 +265,7 @@ When git needs to show you a diff for the path with `diff` attribute set to `jcdiff`, it calls the command you specified with the above configuration, i.e. `j-c-diff`, with 7 parameters, just like `GIT_EXTERNAL_DIFF` program is called. -See linkgit:git[7] for details. +See linkgit:git[1] for details. Defining a custom hunk-header @@ -278,7 +278,7 @@ is prefixed with a line of the form: The text is called 'hunk header', and by default a line that begins with an alphabet, an underscore or a dollar sign is used, -which matches what GNU `diff -p` output uses. This default +which matches what GNU 'diff -p' output uses. This default selection however is not suited for some contents, and you can use customized pattern to make a selection. @@ -322,7 +322,7 @@ and other programs such as `git revert` and `git cherry-pick`. Set:: Built-in 3-way merge driver is used to merge the - contents in a way similar to `merge` command of `RCS` + contents in a way similar to 'merge' command of `RCS` suite. This is suitable for ordinary text files. Unset:: @@ -426,7 +426,7 @@ Checking whitespace errors ^^^^^^^^^^^^ The `core.whitespace` configuration variable allows you to define what -`diff` and `apply` should consider whitespace errors for all paths in +'diff' and 'apply' should consider whitespace errors for all paths in the project (See linkgit:git-config[1]). This attribute gives you finer control per path. @@ -450,6 +450,29 @@ String:: variable. +Creating an archive +~~~~~~~~~~~~~~~~~~~ + +`export-ignore` +^^^^^^^^^^^^^^^ + +Files and directories with the attribute `export-ignore` won't be added to +archive files. + +`export-subst` +^^^^^^^^^^^^^^ + +If the attribute `export-subst` is set for a file then git will expand +several placeholders when adding this file to an archive. The +expansion depends on the availability of a commit ID, i.e., if +linkgit:git-archive[1] has been given a tree instead of a commit or a +tag then no replacement will be done. The placeholders are the same +as those for the option `--pretty=format:` of linkgit:git-log[1], +except that they need to be wrapped like this: `$Format:PLACEHOLDERS$` +in the file. E.g. the string `$Format:%H$` will be replaced by the +commit hash. + + EXAMPLE ------- @@ -499,23 +522,7 @@ frotz unspecified ---------------------------------------------------------------- -Creating an archive -~~~~~~~~~~~~~~~~~~~ - -`export-subst` -^^^^^^^^^^^^^^ - -If the attribute `export-subst` is set for a file then git will expand -several placeholders when adding this file to an archive. The -expansion depends on the availability of a commit ID, i.e. if -linkgit:git-archive[1] has been given a tree instead of a commit or a -tag then no replacement will be done. The placeholders are the same -as those for the option `--pretty=format:` of linkgit:git-log[1], -except that they need to be wrapped like this: `$Format:PLACEHOLDERS$` -in the file. E.g. the string `$Format:%H$` will be replaced by the -commit hash. - GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/gitcli.txt b/Documentation/gitcli.txt index 835cb05f96..29e5929db2 100644 --- a/Documentation/gitcli.txt +++ b/Documentation/gitcli.txt @@ -13,8 +13,37 @@ gitcli DESCRIPTION ----------- -This manual describes best practice in how to use git CLI. Here are -the rules that you should follow when you are scripting git: +This manual describes the convention used throughout git CLI. + +Many commands take revisions (most often "commits", but sometimes +"tree-ish", depending on the context and command) and paths as their +arguments. Here are the rules: + + * Revisions come first and then paths. + E.g. in `git diff v1.0 v2.0 arch/x86 include/asm-x86`, + `v1.0` and `v2.0` are revisions and `arch/x86` and `include/asm-x86` + are paths. + + * When an argument can be misunderstood as either a revision or a path, + they can be disambiguated by placing `\--` between them. + E.g. `git diff \-- HEAD` is, "I have a file called HEAD in my work + tree. Please show changes between the version I staged in the index + and what I have in the work tree for that file". not "show difference + between the HEAD commit and the work tree as a whole". You can say + `git diff HEAD \--` to ask for the latter. + + * Without disambiguating `\--`, git makes a reasonable guess, but errors + out and asking you to disambiguate when ambiguous. E.g. if you have a + file called HEAD in your work tree, `git diff HEAD` is ambiguous, and + you have to say either `git diff HEAD \--` or `git diff \-- HEAD` to + disambiguate. + +When writing a script that is expected to handle random user-input, it is +a good practice to make it explicit which arguments are which by placing +disambiguating `\--` at appropriate places. + +Here are the rules regarding the "flags" that you should follow when you are +scripting git: * it's preferred to use the non dashed form of git commands, which means that you should prefer `"git foo"` to `"git-foo"`. @@ -34,8 +63,8 @@ the rules that you should follow when you are scripting git: if you happen to have a file called `HEAD` in the work tree. -ENHANCED CLI ------------- +ENHANCED OPTION PARSER +---------------------- From the git 1.5.4 series and further, many git commands (not all of them at the time of the writing though) come with an enhanced option parser. @@ -104,10 +133,46 @@ $ git describe --abbrev 10 HEAD # NOT WHAT YOU MEANT ---------------------------- +NOTES ON FREQUENTLY CONFUSED OPTIONS +------------------------------------ + +Many commands that can work on files in the working tree +and/or in the index can take `--cached` and/or `--index` +options. Sometimes people incorrectly think that, because +the index was originally called cache, these two are +synonyms. They are *not* -- these two options mean very +different things. + + * The `--cached` option is used to ask a command that + usually works on files in the working tree to *only* work + with the index. For example, `git grep`, when used + without a commit to specify from which commit to look for + strings in, usually works on files in the working tree, + but with the `--cached` option, it looks for strings in + the index. + + * The `--index` option is used to ask a command that + usually works on files in the working tree to *also* + affect the index. For example, `git stash apply` usually + merges changes recorded in a stash to the working tree, + but with the `--index` option, it also merges changes to + the index as well. + +`git apply` command can be used with `--cached` and +`--index` (but not at the same time). Usually the command +only affects the files in the working tree, but with +`--index`, it patches both the files and their index +entries, and with `--cached`, it modifies only the index +entries. + +See also http://marc.info/?l=git&m=116563135620359 and +http://marc.info/?l=git&m=119150393620273 for further +information. + Documentation ------------- -Documentation by Pierre Habouzit. +Documentation by Pierre Habouzit and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/core-tutorial.txt b/Documentation/gitcore-tutorial.txt index 5a5531222d..a2b92933f7 100644 --- a/Documentation/core-tutorial.txt +++ b/Documentation/gitcore-tutorial.txt @@ -1,15 +1,23 @@ -A git core tutorial for developers -================================== +gitcore-tutorial(7) +=================== -Introduction ------------- +NAME +---- +gitcore-tutorial - A git core tutorial for developers + +SYNOPSIS +-------- +git * + +DESCRIPTION +----------- This tutorial explains how to use the "core" git programs to set up and work with a git repository. If you just need to use git as a revision control system you may prefer -to start with link:tutorial.html[a tutorial introduction to git] or -link:user-manual.html[the git user manual]. +to start with "A Tutorial Introduction to GIT" (linkgit:gittutorial[7]) or +link:user-manual.html[the GIT User Manual]. However, an understanding of these low-level tools can be helpful if you want to understand git's internals. @@ -34,14 +42,14 @@ one for a totally new project, or an existing working tree that you want to import into git. For our first example, we're going to start a totally new repository from -scratch, with no pre-existing files, and we'll call it `git-tutorial`. +scratch, with no pre-existing files, and we'll call it 'git-tutorial'. To start up, create a subdirectory for it, change into that -subdirectory, and initialize the git infrastructure with `git-init`: +subdirectory, and initialize the git infrastructure with 'git-init': ------------------------------------------------ $ mkdir git-tutorial $ cd git-tutorial -$ git-init +$ git init ------------------------------------------------ to which git will reply @@ -53,7 +61,7 @@ Initialized empty Git repository in .git/ which is just git's way of saying that you haven't been doing anything strange, and that it will have created a local `.git` directory setup for your new project. You will now have a `.git` directory, and you can -inspect that with `ls`. For your new empty project, it should show you +inspect that with 'ls'. For your new empty project, it should show you three entries, among other things: - a file called `HEAD`, that has `ref: refs/heads/master` in it. @@ -100,8 +108,7 @@ references in these `refs` subdirectories when you actually start populating your tree. [NOTE] -An advanced user may want to take a look at the -link:repository-layout.html[repository layout] document +An advanced user may want to take a look at linkgit:gitrepository-layout[5] after finishing this tutorial. You have now created your first git repository. Of course, since it's @@ -132,7 +139,7 @@ but to actually check in your hard work, you will have to go through two steps: - commit that index file as an object. The first step is trivial: when you want to tell git about any changes -to your working tree, you use the `git-update-index` program. That +to your working tree, you use the 'git-update-index' program. That program normally just takes a list of filenames you want to update, but to avoid trivial mistakes, it refuses to add new entries to the index (or remove existing ones) unless you explicitly tell it that you're @@ -142,7 +149,7 @@ adding a new entry with the `\--add` flag (or removing an entry with the So to populate the index with the two files you just created, you can do ------------------------------------------------ -$ git-update-index --add hello example +$ git update-index --add hello example ------------------------------------------------ and you have now told git to track those two files. @@ -166,19 +173,19 @@ and see two files: which correspond with the objects with names of `557db...` and `f24c7...` respectively. -If you want to, you can use `git-cat-file` to look at those objects, but +If you want to, you can use 'git-cat-file' to look at those objects, but you'll have to use the object name, not the filename of the object: ---------------- -$ git-cat-file -t 557db03de997c86a4a028e1ebd3a1ceb225be238 +$ git cat-file -t 557db03de997c86a4a028e1ebd3a1ceb225be238 ---------------- -where the `-t` tells `git-cat-file` to tell you what the "type" of the +where the `-t` tells 'git-cat-file' to tell you what the "type" of the object is. git will tell you that you have a "blob" object (i.e., just a regular file), and you can see the contents with ---------------- -$ git-cat-file "blob" 557db03 +$ git cat-file "blob" 557db03 ---------------- which will print out "Hello World". The object `557db03` is nothing @@ -198,7 +205,7 @@ hexadecimal digits in most places. Anyway, as we mentioned previously, you normally never actually take a look at the objects themselves, and typing long 40-character hex names is not something you'd normally want to do. The above digression -was just to show that `git-update-index` did something magical, and +was just to show that 'git-update-index' did something magical, and actually saved away the contents of your files into the git object database. @@ -221,22 +228,22 @@ $ echo "It's a new day for git" >>hello and you can now, since you told git about the previous state of `hello`, ask git what has changed in the tree compared to your old index, using the -`git-diff-files` command: +'git-diff-files' command: ------------ -$ git-diff-files +$ git diff-files ------------ Oops. That wasn't very readable. It just spit out its own internal -version of a `diff`, but that internal version really just tells you +version of a 'diff', but that internal version really just tells you that it has noticed that "hello" has been modified, and that the old object contents it had have been replaced with something else. -To make it readable, we can tell git-diff-files to output the +To make it readable, we can tell 'git-diff-files' to output the differences as a patch, using the `-p` flag: ------------ -$ git-diff-files -p +$ git diff-files -p diff --git a/hello b/hello index 557db03..263414f 100644 --- a/hello @@ -248,11 +255,11 @@ index 557db03..263414f 100644 i.e. the diff of the change we caused by adding another line to `hello`. -In other words, `git-diff-files` always shows us the difference between +In other words, 'git-diff-files' always shows us the difference between what is recorded in the index, and what is currently in the working tree. That's very useful. -A common shorthand for `git-diff-files -p` is to just write `git +A common shorthand for `git diff-files -p` is to just write `git diff`, which will do the same thing. ------------ @@ -276,15 +283,15 @@ that in two phases: creating a 'tree' object, and committing that 'tree' object as a 'commit' object together with an explanation of what the tree was all about, along with information of how we came to that state. -Creating a tree object is trivial, and is done with `git-write-tree`. -There are no options or other input: git-write-tree will take the +Creating a tree object is trivial, and is done with 'git-write-tree'. +There are no options or other input: `git write-tree` will take the current index state, and write an object that describes that whole index. In other words, we're now tying together all the different filenames with their contents (and their permissions), and we're creating the equivalent of a git "directory" object: ------------------------------------------------ -$ git-write-tree +$ git write-tree ------------------------------------------------ and this will just output the name of the resulting tree, in this case @@ -295,34 +302,34 @@ and this will just output the name of the resulting tree, in this case ---------------- which is another incomprehensible object name. Again, if you want to, -you can use `git-cat-file -t 8988d\...` to see that this time the object +you can use `git cat-file -t 8988d\...` to see that this time the object is not a "blob" object, but a "tree" object (you can also use -`git-cat-file` to actually output the raw object contents, but you'll see +`git cat-file` to actually output the raw object contents, but you'll see mainly a binary mess, so that's less interesting). -However -- normally you'd never use `git-write-tree` on its own, because +However -- normally you'd never use 'git-write-tree' on its own, because normally you always commit a tree into a commit object using the -`git-commit-tree` command. In fact, it's easier to not actually use -`git-write-tree` on its own at all, but to just pass its result in as an -argument to `git-commit-tree`. +'git-commit-tree' command. In fact, it's easier to not actually use +'git-write-tree' on its own at all, but to just pass its result in as an +argument to 'git-commit-tree'. -`git-commit-tree` normally takes several arguments -- it wants to know +'git-commit-tree' normally takes several arguments -- it wants to know what the 'parent' of a commit was, but since this is the first commit ever in this new repository, and it has no parents, we only need to pass in -the object name of the tree. However, `git-commit-tree` also wants to get a +the object name of the tree. However, 'git-commit-tree' also wants to get a commit message on its standard input, and it will write out the resulting object name for the commit to its standard output. And this is where we create the `.git/refs/heads/master` file which is pointed at by `HEAD`. This file is supposed to contain the reference to the top-of-tree of the master branch, and since -that's exactly what `git-commit-tree` spits out, we can do this +that's exactly what 'git-commit-tree' spits out, we can do this all with a sequence of simple shell commands: ------------------------------------------------ -$ tree=$(git-write-tree) -$ commit=$(echo 'Initial commit' | git-commit-tree $tree) -$ git-update-ref HEAD $commit +$ tree=$(git write-tree) +$ commit=$(echo 'Initial commit' | git commit-tree $tree) +$ git update-ref HEAD $commit ------------------------------------------------ In this case this creates a totally new commit that is not related to @@ -338,37 +345,37 @@ instead, and it would have done the above magic scripting for you. Making a change --------------- -Remember how we did the `git-update-index` on file `hello` and then we +Remember how we did the 'git-update-index' on file `hello` and then we changed `hello` afterward, and could compare the new state of `hello` with the state we saved in the index file? -Further, remember how I said that `git-write-tree` writes the contents +Further, remember how I said that 'git-write-tree' writes the contents of the *index* file to the tree, and thus what we just committed was in fact the *original* contents of the file `hello`, not the new ones. We did that on purpose, to show the difference between the index state, and the state in the working tree, and how they don't have to match, even when we commit things. -As before, if we do `git-diff-files -p` in our git-tutorial project, +As before, if we do `git diff-files -p` in our git-tutorial project, we'll still see the same difference we saw last time: the index file hasn't changed by the act of committing anything. However, now that we have committed something, we can also learn to use a new command: -`git-diff-index`. +'git-diff-index'. -Unlike `git-diff-files`, which showed the difference between the index -file and the working tree, `git-diff-index` shows the differences +Unlike 'git-diff-files', which showed the difference between the index +file and the working tree, 'git-diff-index' shows the differences between a committed *tree* and either the index file or the working -tree. In other words, `git-diff-index` wants a tree to be diffed +tree. In other words, 'git-diff-index' wants a tree to be diffed against, and before we did the commit, we couldn't do that, because we didn't have anything to diff against. But now we can do ---------------- -$ git-diff-index -p HEAD +$ git diff-index -p HEAD ---------------- -(where `-p` has the same meaning as it did in `git-diff-files`), and it +(where `-p` has the same meaning as it did in 'git-diff-files'), and it will show us the same difference, but for a totally different reason. Now we're comparing the working tree not against the index file, but against the tree we just wrote. It just so happens that those two @@ -383,16 +390,16 @@ $ git diff HEAD which ends up doing the above for you. -In other words, `git-diff-index` normally compares a tree against the +In other words, 'git-diff-index' normally compares a tree against the working tree, but when given the `\--cached` flag, it is told to instead compare against just the index cache contents, and ignore the current working tree state entirely. Since we just wrote the index -file to HEAD, doing `git-diff-index \--cached -p HEAD` should thus return +file to HEAD, doing `git diff-index \--cached -p HEAD` should thus return an empty set of differences, and that's exactly what it does. [NOTE] ================ -`git-diff-index` really always uses the index for its +'git-diff-index' really always uses the index for its comparisons, and saying that it compares a tree against the working tree is thus not strictly accurate. In particular, the list of files to compare (the "meta-data") *always* comes from the index file, @@ -415,17 +422,17 @@ work through the index file, so the first thing we need to do is to update the index cache: ------------------------------------------------ -$ git-update-index hello +$ git update-index hello ------------------------------------------------ (note how we didn't need the `\--add` flag this time, since git knew about the file already). -Note what happens to the different `git-diff-\*` versions here. After -we've updated `hello` in the index, `git-diff-files -p` now shows no -differences, but `git-diff-index -p HEAD` still *does* show that the +Note what happens to the different 'git-diff-\*' versions here. After +we've updated `hello` in the index, `git diff-files -p` now shows no +differences, but `git diff-index -p HEAD` still *does* show that the current state is different from the state we committed. In fact, now -`git-diff-index` shows the same difference whether we use the `--cached` +'git-diff-index' shows the same difference whether we use the `--cached` flag or not, since now the index is coherent with the working tree. Now, since we've updated `hello` in the index, we can commit the new @@ -453,7 +460,7 @@ You've now made your first real git commit. And if you're interested in looking at what `git commit` really does, feel free to investigate: it's a few very simple shell scripts to generate the helpful (?) commit message headers, and a few one-liners that actually do the -commit itself (`git-commit`). +commit itself ('git-commit'). Inspecting Changes @@ -461,16 +468,16 @@ Inspecting Changes While creating changes is useful, it's even more useful if you can tell later what changed. The most useful command for this is another of the -`diff` family, namely `git-diff-tree`. +'diff' family, namely 'git-diff-tree'. -`git-diff-tree` can be given two arbitrary trees, and it will tell you the +'git-diff-tree' can be given two arbitrary trees, and it will tell you the differences between them. Perhaps even more commonly, though, you can give it just a single commit object, and it will figure out the parent of that commit itself, and show the difference directly. Thus, to get the same diff that we've already seen several times, we can now do ---------------- -$ git-diff-tree -p HEAD +$ git diff-tree -p HEAD ---------------- (again, `-p` means to show the difference as a human-readable patch), @@ -511,15 +518,15 @@ various diff-\* commands compare things. +-----------+ ============ -More interestingly, you can also give `git-diff-tree` the `--pretty` flag, +More interestingly, you can also give 'git-diff-tree' the `--pretty` flag, which tells it to also show the commit message and author and date of the commit, and you can tell it to show a whole series of diffs. Alternatively, you can tell it to be "silent", and not show the diffs at all, but just show the actual commit message. -In fact, together with the `git-rev-list` program (which generates a -list of revisions), `git-diff-tree` ends up being a veritable fount of -changes. A trivial (but very useful) script called `git-whatchanged` is +In fact, together with the 'git-rev-list' program (which generates a +list of revisions), 'git-diff-tree' ends up being a veritable fount of +changes. A trivial (but very useful) script called 'git-whatchanged' is included with git which does exactly this, and shows a log of recent activities. @@ -535,7 +542,7 @@ with the associated patches use the more complex (and much more powerful) ---------------- -$ git-whatchanged -p +$ git whatchanged -p ---------------- and you will see exactly what has changed in the repository over its @@ -546,14 +553,14 @@ When using the above two commands, the initial commit will be shown. If this is a problem because it is huge, you can hide it by setting the log.showroot configuration variable to false. Having this, you can still show it for each command just adding the `\--root` option, -which is a flag for `git-diff-tree` accepted by both commands. +which is a flag for 'git-diff-tree' accepted by both commands. With that, you should now be having some inkling of what git does, and can explore on your own. [NOTE] Most likely, you are not directly using the core -git Plumbing commands, but using Porcelain such as `git-add`, `git-rm' +git Plumbing commands, but using Porcelain such as 'git-add', `git-rm' and `git-commit'. @@ -588,7 +595,7 @@ pointer to the state you want to tag, but also a small tag name and message, along with optionally a PGP signature that says that yes, you really did that tag. You create these annotated tags with either the `-a` or -`-s` flag to `git tag`: +`-s` flag to 'git-tag': ---------------- $ git tag -s <tagname> @@ -635,7 +642,7 @@ and it will be gone. There's no external repository, and there's no history outside the project you created. - if you want to move or duplicate a git repository, you can do so. There - is `git clone` command, but if all you want to do is just to + is 'git-clone' command, but if all you want to do is just to create a copy of your repository (with all the full history that went along with it), you can do so with a regular `cp -a git-tutorial new-git-tutorial`. @@ -646,31 +653,31 @@ information for the files involved) will likely need to be refreshed. So after you do a `cp -a` to create a new copy, you'll want to do + ---------------- -$ git-update-index --refresh +$ git update-index --refresh ---------------- + in the new repository to make sure that the index file is up-to-date. Note that the second point is true even across machines. You can duplicate a remote git repository with *any* regular copy mechanism, be it -`scp`, `rsync` or `wget`. +'scp', 'rsync' or 'wget'. When copying a remote repository, you'll want to at a minimum update the index cache when you do this, and especially with other peoples' repositories you often want to make sure that the index cache is in some known state (you don't know *what* they've done and not yet checked in), -so usually you'll precede the `git-update-index` with a +so usually you'll precede the 'git-update-index' with a ---------------- -$ git-read-tree --reset HEAD -$ git-update-index --refresh +$ git read-tree --reset HEAD +$ git update-index --refresh ---------------- which will force a total index re-build from the tree pointed to by `HEAD`. -It resets the index contents to `HEAD`, and then the `git-update-index` +It resets the index contents to `HEAD`, and then the 'git-update-index' makes sure to match up all index entries with the checked-out files. If the original repository had uncommitted changes in its -working tree, `git-update-index --refresh` notices them and +working tree, `git update-index --refresh` notices them and tells you they need to be updated. The above can also be written as simply @@ -682,8 +689,8 @@ $ git reset and in fact a lot of the common git command combinations can be scripted with the `git xyz` interfaces. You can learn things by just looking at what the various git scripts do. For example, `git reset` used to be -the above two lines implemented in `git-reset`, but some things like -`git status` and `git commit` are slightly more complex scripts around +the above two lines implemented in 'git-reset', but some things like +'git-status' and 'git-commit' are slightly more complex scripts around the basic git commands. Many (most?) public remote repositories will not contain any of @@ -706,7 +713,7 @@ $ rsync -rL rsync://rsync.kernel.org/pub/scm/git/git.git/ .git followed by ---------------- -$ git-read-tree HEAD +$ git read-tree HEAD ---------------- to populate the index. However, now you have populated the index, and @@ -715,14 +722,14 @@ actually have any of the working tree files to work on. To get those, you'd check them out with ---------------- -$ git-checkout-index -u -a +$ git checkout-index -u -a ---------------- where the `-u` flag means that you want the checkout to keep the index up-to-date (so that you don't have to refresh it afterward), and the `-a` flag means "check out all files" (if you have a stale copy or an older version of a checked out tree you may also need to add the `-f` -flag first, to tell git-checkout-index to *force* overwriting of any old +flag first, to tell 'git-checkout-index' to *force* overwriting of any old files). Again, this can all be simplified with @@ -769,7 +776,7 @@ to it. ================================================ If you make the decision to start your new branch at some other point in the history than the current `HEAD`, you can do so by -just telling `git checkout` what the base of the checkout would be. +just telling 'git-checkout' what the base of the checkout would be. In other words, if you have an earlier tag or branch, you'd just do ------------ @@ -812,7 +819,7 @@ $ git branch <branchname> [startingpoint] which will simply _create_ the branch, but will not do anything further. You can then later -- once you decide that you want to actually develop -on that branch -- switch to that branch with a regular `git checkout` +on that branch -- switch to that branch with a regular 'git-checkout' with the branchname as the argument. @@ -832,7 +839,7 @@ $ git commit -m "Some work." -i hello ------------------------------------------------ Here, we just added another line to `hello`, and we used a shorthand for -doing both `git-update-index hello` and `git commit` by just giving the +doing both `git update-index hello` and `git commit` by just giving the filename directly to `git commit`, with an `-i` flag (it tells git to 'include' that file in addition to what you have done to the index file so far when making the commit). The `-m` flag is to give the @@ -871,10 +878,10 @@ means: normally it will just show you your current `HEAD`) and their histories. You can also see exactly how they came to be from a common source. -Anyway, let's exit `gitk` (`^Q` or the File menu), and decide that we want +Anyway, let's exit 'gitk' (`^Q` or the File menu), and decide that we want to merge the work we did on the `mybranch` branch into the `master` branch (which is currently our `HEAD` too). To do that, there's a nice -script called `git merge`, which wants to know which branches you want +script called 'git-merge', which wants to know which branches you want to resolve and what the merge is all about: ------------ @@ -918,7 +925,7 @@ $ git commit -i hello which will very loudly warn you that you're now committing a merge (which is correct, so never mind), and you can write a small merge -message about your adventures in git-merge-land. +message about your adventures in 'git-merge'-land. After you're done, start up `gitk \--all` to see graphically what the history looks like. Notice that `mybranch` still exists, and you can @@ -931,7 +938,7 @@ Another useful tool, especially if you do not always work in X-Window environment, is `git show-branch`. ------------------------------------------------ -$ git-show-branch --topo-order --more=1 master mybranch +$ git show-branch --topo-order --more=1 master mybranch * [master] Merge work in mybranch ! [mybranch] Some work. -- @@ -956,14 +963,14 @@ commits from the master branch. The string inside brackets before the commit log message is a short name you can use to name the commit. In the above example, 'master' and 'mybranch' are branch heads. 'master^' is the first parent of 'master' -branch head. Please see 'git-rev-parse' documentation if you +branch head. Please see linkgit:git-rev-parse[1] if you want to see more complex cases. [NOTE] Without the '--more=1' option, 'git-show-branch' would not output the '[master^]' commit, as '[mybranch]' commit is a common ancestor of -both 'master' and 'mybranch' tips. Please see 'git-show-branch' -documentation for details. +both 'master' and 'mybranch' tips. Please see linkgit:git-show-branch[1] +for details. [NOTE] If there were more commits on the 'master' branch after the merge, the @@ -974,7 +981,7 @@ merge commit visible in this case. Now, let's pretend you are the one who did all the work in `mybranch`, and the fruit of your hard work has finally been merged to the `master` branch. Let's go back to `mybranch`, and run -`git merge` to get the "upstream changes" back to your branch. +'git-merge' to get the "upstream changes" back to your branch. ------------ $ git checkout mybranch @@ -999,7 +1006,7 @@ the tree of your branch to that of the `master` branch. This is often called 'fast forward' merge. You can run `gitk \--all` again to see how the commit ancestry -looks like, or run `show-branch`, which tells you this. +looks like, or run 'show-branch', which tells you this. ------------------------------------------------ $ git show-branch master mybranch @@ -1016,12 +1023,12 @@ Merging external work It's usually much more common that you merge with somebody else than merging with your own branches, so it's worth pointing out that git makes that very easy too, and in fact, it's not that different from -doing a `git merge`. In fact, a remote merge ends up being nothing +doing a 'git-merge'. In fact, a remote merge ends up being nothing more than "fetch the work from a remote repository into a temporary tag" -followed by a `git merge`. +followed by a 'git-merge'. Fetching from a remote repository is done by, unsurprisingly, -`git fetch`: +'git-fetch': ---------------- $ git fetch <remote-repository> @@ -1059,9 +1066,9 @@ most efficient way to exchange git objects between repositories. Local directory:: `/path/to/repo.git/` + -This transport is the same as SSH transport but uses `sh` to run +This transport is the same as SSH transport but uses 'sh' to run both ends on the local machine instead of running other end on -the remote machine via `ssh`. +the remote machine via 'ssh'. git Native:: `git://remote.machine/path/to/repo.git/` @@ -1088,7 +1095,7 @@ The 'commit walkers' are sometimes also called 'dumb transports', because they do not require any git aware smart server like git Native transport does. Any stock HTTP server that does not even support directory index would suffice. But -you must prepare your repository with `git-update-server-info` +you must prepare your repository with 'git-update-server-info' to help dumb transport downloaders. Once you fetch from the remote repository, you `merge` that @@ -1108,7 +1115,7 @@ argument. [NOTE] You could do without using any branches at all, by keeping as many local repositories as you would like to have -branches, and merging between them with `git pull`, just like +branches, and merging between them with 'git-pull', just like you merge between branches. The advantage of this approach is that it lets you keep a set of files for each `branch` checked out and you may find it easier to switch back and forth if you @@ -1125,7 +1132,7 @@ like this: $ git config remote.linus.url http://www.kernel.org/pub/scm/git/git.git/ ------------------------------------------------ -and use the "linus" keyword with `git pull` instead of the full URL. +and use the "linus" keyword with 'git-pull' instead of the full URL. Examples. @@ -1161,7 +1168,7 @@ $ git show-branch --more=2 master mybranch +* [master^] Some fun. ------------ -Remember, before running `git merge`, our `master` head was at +Remember, before running 'git-merge', our `master` head was at "Some fun." commit, while our `mybranch` head was at "Some work." commit. @@ -1188,10 +1195,10 @@ Now we are ready to experiment with the merge by hand. `git merge` command, when merging two branches, uses 3-way merge algorithm. First, it finds the common ancestor between them. -The command it uses is `git-merge-base`: +The command it uses is 'git-merge-base': ------------ -$ mb=$(git-merge-base HEAD mybranch) +$ mb=$(git merge-base HEAD mybranch) ------------ The command writes the commit object name of the common ancestor @@ -1201,7 +1208,7 @@ ancestor commit is the "New day." commit in this case. You can tell it by: ------------ -$ git-name-rev $mb +$ git name-rev $mb my-first-tag ------------ @@ -1209,10 +1216,10 @@ After finding out a common ancestor commit, the second step is this: ------------ -$ git-read-tree -m -u $mb HEAD mybranch +$ git read-tree -m -u $mb HEAD mybranch ------------ -This is the same `git-read-tree` command we have already seen, +This is the same 'git-read-tree' command we have already seen, but it takes three trees, unlike previous examples. This reads the contents of each tree into different 'stage' in the index file (the first tree goes to stage 1, the second to stage 2, @@ -1228,7 +1235,7 @@ trees are left in non-zero stages. At this point, you can inspect the index file with this command: ------------ -$ git-ls-files --stage +$ git ls-files --stage 100644 7f8b141b65fdcee47321e399a2598a235a032422 0 example 100644 263414f423d0e4d70dae8fe53fa34614ff3e2860 1 hello 100644 06fa6a24256dc7e560efa5687fa84b51f0263c3a 2 hello @@ -1245,7 +1252,7 @@ stages. To look at only non-zero stages, use `\--unmerged` flag: ------------ -$ git-ls-files --unmerged +$ git ls-files --unmerged 100644 263414f423d0e4d70dae8fe53fa34614ff3e2860 1 hello 100644 06fa6a24256dc7e560efa5687fa84b51f0263c3a 2 hello 100644 cc44c73eb783565da5831b4d820c962954019b69 3 hello @@ -1253,29 +1260,29 @@ $ git-ls-files --unmerged The next step of merging is to merge these three versions of the file, using 3-way merge. This is done by giving -`git-merge-one-file` command as one of the arguments to -`git-merge-index` command: +'git-merge-one-file' command as one of the arguments to +'git-merge-index' command: ------------ -$ git-merge-index git-merge-one-file hello +$ git merge-index git-merge-one-file hello Auto-merging hello. merge: warning: conflicts during merge ERROR: Merge conflict in hello. fatal: merge program failed ------------ -`git-merge-one-file` script is called with parameters to +'git-merge-one-file' script is called with parameters to describe those three versions, and is responsible to leave the merge results in the working tree. It is a fairly straightforward shell script, and -eventually calls `merge` program from RCS suite to perform a -file-level 3-way merge. In this case, `merge` detects +eventually calls 'merge' program from RCS suite to perform a +file-level 3-way merge. In this case, 'merge' detects conflicts, and the merge result with conflict marks is left in the working tree.. This can be seen if you run `ls-files --stage` again at this point: ------------ -$ git-ls-files --stage +$ git ls-files --stage 100644 7f8b141b65fdcee47321e399a2598a235a032422 0 example 100644 263414f423d0e4d70dae8fe53fa34614ff3e2860 1 hello 100644 06fa6a24256dc7e560efa5687fa84b51f0263c3a 2 hello @@ -1283,9 +1290,9 @@ $ git-ls-files --stage ------------ This is the state of the index file and the working file after -`git merge` returns control back to you, leaving the conflicting +'git-merge' returns control back to you, leaving the conflicting merge for you to resolve. Notice that the path `hello` is still -unmerged, and what you see with `git diff` at this point is +unmerged, and what you see with 'git-diff' at this point is differences since stage 2 (i.e. your version). @@ -1313,7 +1320,7 @@ how git repositories at `kernel.org` are managed. Publishing the changes from your local (private) repository to your remote (public) repository requires a write privilege on the remote machine. You need to have an SSH account there to -run a single command, `git-receive-pack`. +run a single command, 'git-receive-pack'. First, you need to create an empty repository on the remote machine that will house your public repository. This empty @@ -1322,8 +1329,8 @@ into it later. Obviously, this repository creation needs to be done only once. [NOTE] -`git push` uses a pair of programs, -`git-send-pack` on your local machine, and `git-receive-pack` +'git-push' uses a pair of programs, +'git-send-pack' on your local machine, and 'git-receive-pack' on the remote machine. The communication between the two over the network internally uses an SSH connection. @@ -1338,30 +1345,30 @@ $ mkdir my-git.git ------------ Then, make that directory into a git repository by running -`git init`, but this time, since its name is not the usual +'git-init', but this time, since its name is not the usual `.git`, we do things slightly differently: ------------ -$ GIT_DIR=my-git.git git-init +$ GIT_DIR=my-git.git git init ------------ Make sure this directory is available for others you want your changes to be pulled by via the transport of your choice. Also -you need to make sure that you have the `git-receive-pack` +you need to make sure that you have the 'git-receive-pack' program on the `$PATH`. [NOTE] Many installations of sshd do not invoke your shell as the login shell when you directly run programs; what this means is that if -your login shell is `bash`, only `.bashrc` is read and not +your login shell is 'bash', only `.bashrc` is read and not `.bash_profile`. As a workaround, make sure `.bashrc` sets up -`$PATH` so that you can run `git-receive-pack` program. +`$PATH` so that you can run 'git-receive-pack' program. [NOTE] If you plan to publish this repository to be accessed over http, you should do `chmod +x my-git.git/hooks/post-update` at this point. This makes sure that every time you push into this -repository, `git-update-server-info` is run. +repository, `git update-server-info` is run. Your "public repository" is now ready to accept your changes. Come back to the machine you have your private repository. From @@ -1400,7 +1407,7 @@ $ git repack will do it for you. If you followed the tutorial examples, you would have accumulated about 17 objects in `.git/objects/??/` -directories by now. `git repack` tells you how many objects it +directories by now. 'git-repack' tells you how many objects it packed, and stores the packed file in `.git/objects/pack` directory. @@ -1413,7 +1420,7 @@ them together. The former holds all the data from the objects in the pack, and the latter holds the index for random access. -If you are paranoid, running `git-verify-pack` command would +If you are paranoid, running 'git-verify-pack' command would detect if you have a corrupt pack, but do not worry too much. Our programs are always perfect ;-). @@ -1480,17 +1487,17 @@ If other people are pulling from your repository over dumb transport protocols (HTTP), you need to keep this repository 'dumb transport friendly'. After `git init`, `$GIT_DIR/hooks/post-update` copied from the standard templates -would contain a call to `git-update-server-info` but the +would contain a call to 'git-update-server-info' but the `post-update` hook itself is disabled by default -- enable it -with `chmod +x post-update`. This makes sure `git-update-server-info` +with `chmod +x post-update`. This makes sure 'git-update-server-info' keeps the necessary files up-to-date. 3. Push into the public repository from your primary repository. -4. `git repack` the public repository. This establishes a big +4. 'git-repack' the public repository. This establishes a big pack that contains the initial set of objects as the - baseline, and possibly `git prune` if the transport + baseline, and possibly 'git-prune' if the transport used for pulling from your repository supports packed repositories. @@ -1504,14 +1511,14 @@ You can repack this private repository whenever you feel like. 6. Push your changes to the public repository, and announce it to the public. -7. Every once in a while, "git repack" the public repository. +7. Every once in a while, "git-repack" the public repository. Go back to step 5. and continue working. A recommended work cycle for a "subsystem maintainer" who works on that project and has an own "public repository" goes like this: -1. Prepare your work repository, by `git clone` the public +1. Prepare your work repository, by 'git-clone' the public repository of the "project lead". The URL used for the initial cloning is stored in the remote.origin.url configuration variable. @@ -1526,7 +1533,7 @@ on that project and has an own "public repository" goes like this: point at the repository you are borrowing from. 4. Push into the public repository from your primary - repository. Run `git repack`, and possibly `git prune` if the + repository. Run 'git-repack', and possibly 'git-prune' if the transport used for pulling from your repository supports packed repositories. @@ -1543,7 +1550,7 @@ like. "project lead" and possibly your "sub-subsystem maintainers" to pull from it. -7. Every once in a while, `git repack` the public repository. +7. Every once in a while, 'git-repack' the public repository. Go back to step 5. and continue working. @@ -1551,7 +1558,7 @@ A recommended work cycle for an "individual developer" who does not have a "public" repository is somewhat different. It goes like this: -1. Prepare your work repository, by `git clone` the public +1. Prepare your work repository, by 'git-clone' the public repository of the "project lead" (or a "subsystem maintainer", if you work on a subsystem). The URL used for the initial cloning is stored in the remote.origin.url @@ -1581,7 +1588,7 @@ suggested in the previous section may be new to you. You do not have to worry. git supports "shared public repository" style of cooperation you are probably more familiar with as well. -See link:cvs-migration.html[git for CVS users] for the details. +See linkgit:gitcvs-migration[7] for the details. Bundling your work together --------------------------- @@ -1648,9 +1655,9 @@ branch before these two merges by resetting it to 'master~2': $ git reset --hard master~2 ------------ -You can make sure 'git show-branch' matches the state before -those two 'git merge' you just did. Then, instead of running -two 'git merge' commands in a row, you would merge these two +You can make sure `git show-branch` matches the state before +those two 'git-merge' you just did. Then, instead of running +two 'git-merge' commands in a row, you would merge these two branch heads (this is known as 'making an Octopus'): ------------ @@ -1679,3 +1686,13 @@ merge two at a time, documenting how you resolved the conflicts, and the reason why you preferred changes made in one side over the other. Otherwise it would make the project history harder to follow, not easier. + +SEE ALSO +-------- +linkgit:gittutorial[7], linkgit:gittutorial-2[7], +linkgit:giteveryday[7], linkgit:gitcvs-migration[7], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/cvs-migration.txt b/Documentation/gitcvs-migration.txt index 374bc87b10..aaa7ef737a 100644 --- a/Documentation/cvs-migration.txt +++ b/Documentation/gitcvs-migration.txt @@ -1,5 +1,16 @@ -git for CVS users -================= +gitcvs-migration(7) +=================== + +NAME +---- +gitcvs-migration - git for CVS users + +SYNOPSIS +-------- +git cvsimport * + +DESCRIPTION +----------- Git differs from CVS in that every working tree contains a repository with a full copy of the project history, and no repository is inherently more @@ -7,9 +18,9 @@ important than any other. However, you can emulate the CVS model by designating a single shared repository which people can synchronize with; this document explains how to do that. -Some basic familiarity with git is required. This -link:tutorial.html[tutorial introduction to git] and the -link:glossary.html[git glossary] should be sufficient. +Some basic familiarity with git is required. Having gone through +linkgit:gittutorial[7] and +linkgit:gitglossary[7] should be sufficient. Developing against a shared repository -------------------------------------- @@ -23,7 +34,7 @@ $ git clone foo.com:/pub/repo.git/ my-project $ cd my-project ------------------------------------------------ -and hack away. The equivalent of `cvs update` is +and hack away. The equivalent of 'cvs update' is ------------------------------------------------ $ git pull origin @@ -35,28 +46,28 @@ them first before running git pull. [NOTE] ================================ -The `pull` command knows where to get updates from because of certain -configuration variables that were set by the first `git clone` +The 'pull' command knows where to get updates from because of certain +configuration variables that were set by the first 'git-clone' command; see `git config -l` and the linkgit:git-config[1] man page for details. ================================ You can update the shared repository with your changes by first committing -your changes, and then using the linkgit:git-push[1] command: +your changes, and then using the 'git-push' command: ------------------------------------------------ $ git push origin master ------------------------------------------------ to "push" those commits to the shared repository. If someone else has -updated the repository more recently, `git push`, like `cvs commit`, will +updated the repository more recently, 'git-push', like 'cvs commit', will complain, in which case you must pull any changes before attempting the push again. -In the `git push` command above we specify the name of the remote branch -to update (`master`). If we leave that out, `git push` tries to update +In the 'git-push' command above we specify the name of the remote branch +to update (`master`). If we leave that out, 'git-push' tries to update any branches in the remote repository that have the same name as a branch -in the local repository. So the last `push` can be done with either of: +in the local repository. So the last 'push' can be done with either of: ------------ $ git push origin @@ -70,8 +81,8 @@ Setting Up a Shared Repository ------------------------------ We assume you have already created a git repository for your project, -possibly created from scratch or from a tarball (see the -link:tutorial.html[tutorial]), or imported from an already existing CVS +possibly created from scratch or from a tarball (see +linkgit:gittutorial[7]), or imported from an already existing CVS repository (see the next section). Assume your existing repo is at /home/alice/myproject. Create a new "bare" @@ -107,7 +118,7 @@ Importing a CVS archive First, install version 2.1 or higher of cvsps from link:http://www.cobite.com/cvsps/[http://www.cobite.com/cvsps/] and make sure it is in your path. Then cd to a checked out CVS working directory -of the project you are interested in and run linkgit:git-cvsimport[1]: +of the project you are interested in and run 'git-cvsimport': ------------------------------------------- $ git cvsimport -C <destination> <module> @@ -132,12 +143,17 @@ work, you must not modify the imported branches; instead, create new branches for your own changes, and merge in the imported branches as necessary. +If you want a shared repository, you will need to make a bare clone +of the imported directory, as described above. Then treat the imported +directory as another development clone for purposes of merging +incremental imports. + Advanced Shared Repository Management ------------------------------------- Git allows you to specify scripts called "hooks" to be run at certain points. You can use these, for example, to send all commits to the shared -repository to a mailing list. See linkgit:githooks[5][Hooks used by git]. +repository to a mailing list. See linkgit:githooks[5]. You can enforce finer grained permissions using update hooks. See link:howto/update-hook-example.txt[Controlling access to branches using @@ -170,3 +186,16 @@ variants of this model. With a small group, developers may just pull changes from each other's repositories without the need for a central maintainer. + +SEE ALSO +-------- +linkgit:gittutorial[7], +linkgit:gittutorial-2[7], +linkgit:gitcore-tutorial[7], +linkgit:gitglossary[7], +link:everyday.html[Everyday Git], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/diffcore.txt b/Documentation/gitdiffcore.txt index c6a983a5d5..2bdbc3d4f6 100644 --- a/Documentation/diffcore.txt +++ b/Documentation/gitdiffcore.txt @@ -1,34 +1,40 @@ -Tweaking diff output -==================== -June 2005 +gitdiffcore(7) +============== +NAME +---- +gitdiffcore - Tweaking diff output (June 2005) -Introduction ------------- +SYNOPSIS +-------- +'git diff' * -The diff commands git-diff-index, git-diff-files, and git-diff-tree +DESCRIPTION +----------- + +The diff commands 'git-diff-index', 'git-diff-files', and 'git-diff-tree' can be told to manipulate differences they find in -unconventional ways before showing diff(1) output. The manipulation +unconventional ways before showing 'diff' output. The manipulation is collectively called "diffcore transformation". This short note -describes what they are and how to use them to produce diff outputs -that are easier to understand than the conventional kind. +describes what they are and how to use them to produce 'diff' output +that is easier to understand than the conventional kind. The chain of operation ---------------------- -The git-diff-* family works by first comparing two sets of +The 'git-diff-{asterisk}' family works by first comparing two sets of files: - - git-diff-index compares contents of a "tree" object and the + - 'git-diff-index' compares contents of a "tree" object and the working directory (when '\--cached' flag is not used) or a "tree" object and the index file (when '\--cached' flag is used); - - git-diff-files compares contents of the index file and the + - 'git-diff-files' compares contents of the index file and the working directory; - - git-diff-tree compares contents of two "tree" objects; + - 'git-diff-tree' compares contents of two "tree" objects; In all of these cases, the commands themselves compare corresponding paths in the two sets of files. The result of @@ -55,12 +61,12 @@ into another list. There are currently 6 such transformations: - diffcore-pickaxe - diffcore-order -These are applied in sequence. The set of filepairs git-diff-\* +These are applied in sequence. The set of filepairs 'git-diff-{asterisk}' commands find are used as the input to diffcore-pathspec, and the output from diffcore-pathspec is used as the input to the next transformation. The final result is then passed to the output routine and generates either diff-raw format (see Output -format sections of the manual for git-diff-\* commands) or +format sections of the manual for 'git-diff-{asterisk}' commands) or diff-patch format. @@ -69,7 +75,7 @@ diffcore-pathspec: For Ignoring Files Outside Our Consideration The first transformation in the chain is diffcore-pathspec, and is controlled by giving the pathname parameters to the -git-diff-* commands on the command line. The pathspec is used +'git-diff-{asterisk}' commands on the command line. The pathspec is used to limit the world diff operates in. It removes the filepairs outside the specified set of pathnames. E.g. If the input set of filepairs included: @@ -78,11 +84,11 @@ of filepairs included: :100644 100644 bcd1234... 0123456... M junkfile ------------------------------------------------ -but the command invocation was "git-diff-files myfile", then the +but the command invocation was `git diff-files myfile`, then the junkfile entry would be removed from the list because only "myfile" is under consideration. -Implementation note. For performance reasons, git-diff-tree +Implementation note. For performance reasons, 'git-diff-tree' uses the pathname parameters on the command line to cull set of filepairs it feeds the diffcore mechanism itself, and does not use diffcore-pathspec, but the end result is the same. @@ -92,7 +98,7 @@ diffcore-break: For Splitting Up "Complete Rewrites" ---------------------------------------------------- The second transformation in the chain is diffcore-break, and is -controlled by the -B option to the git-diff-* commands. This is +controlled by the -B option to the 'git-diff-{asterisk}' commands. This is used to detect a filepair that represents "complete rewrite" and break such filepair into two filepairs that represent delete and create. E.g. If the input contained this filepair: @@ -128,7 +134,7 @@ diffcore-rename: For Detection Renames and Copies This transformation is used to detect renames and copies, and is controlled by the -M option (to detect renames) and the -C option -(to detect copies as well) to the git-diff-* commands. If the +(to detect copies as well) to the 'git-diff-{asterisk}' commands. If the input contained these filepairs: ------------------------------------------------ @@ -173,11 +179,11 @@ number after the "-M" or "-C" option (e.g. "-M8" to tell it to use 8/10 = 80%). Note. When the "-C" option is used with `\--find-copies-harder` -option, git-diff-\* commands feed unmodified filepairs to +option, 'git-diff-{asterisk}' commands feed unmodified filepairs to diffcore mechanism as well as modified ones. This lets the copy detector consider unmodified files as copy source candidates at the expense of making it slower. Without `\--find-copies-harder`, -git-diff-\* commands can detect copies only if the file that was +'git-diff-{asterisk}' commands can detect copies only if the file that was copied happened to have been modified in the same changeset. @@ -228,7 +234,7 @@ diffcore-pickaxe: For Detecting Addition/Deletion of Specified String This transformation is used to find filepairs that represent changes that touch a specified string, and is controlled by the --S option and the `\--pickaxe-all` option to the git-diff-* +-S option and the `\--pickaxe-all` option to the 'git-diff-{asterisk}' commands. When diffcore-pickaxe is in use, it checks if there are @@ -251,7 +257,7 @@ diffcore-order: For Sorting the Output Based on Filenames This is used to reorder the filepairs according to the user's (or project's) taste, and is controlled by the -O option to the -git-diff-* commands. +'git-diff-{asterisk}' commands. This takes a text file each of whose lines is a shell glob pattern. Filepairs that match a glob pattern on an earlier line @@ -269,3 +275,18 @@ Documentation *.c t ------------------------------------------------ + +SEE ALSO +-------- +linkgit:git-diff[1], +linkgit:git-diff-files[1], +linkgit:git-diff-index[1], +linkgit:git-diff-tree[1], +linkgit:git-format-patch[1], +linkgit:git-log[1], +linkgit:gitglossary[7], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/gitglossary.txt b/Documentation/gitglossary.txt new file mode 100644 index 0000000000..5c5c31d31c --- /dev/null +++ b/Documentation/gitglossary.txt @@ -0,0 +1,25 @@ +gitglossary(7) +============== + +NAME +---- +gitglossary - A GIT Glossary + +SYNOPSIS +-------- +* + +DESCRIPTION +----------- + +include::glossary-content.txt[] + +SEE ALSO +-------- +linkgit:gittutorial[7], linkgit:gittutorial-2[7], +linkgit:giteveryday[7], linkgit:gitcvs-migration[7], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index 53747febd2..046a2a7fe7 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt @@ -15,19 +15,20 @@ DESCRIPTION Hooks are little scripts you can place in `$GIT_DIR/hooks` directory to trigger action at certain points. When -`git-init` is run, a handful example hooks are copied in the +'git-init' is run, a handful example hooks are copied in the `hooks` directory of the new repository, but by default they are -all disabled. To enable a hook, make it executable with `chmod +x`. +all disabled. To enable a hook, rename it by removing its `.sample` +suffix. This document describes the currently defined hooks. applypatch-msg -------------- -This hook is invoked by `git-am` script. It takes a single +This hook is invoked by 'git-am' script. It takes a single parameter, the name of the file that holds the proposed commit log message. Exiting with non-zero status causes -`git-am` to abort before applying the patch. +'git-am' to abort before applying the patch. The hook is allowed to edit the message file in place, and can be used to normalize the message into some project standard @@ -40,7 +41,7 @@ The default 'applypatch-msg' hook, when enabled, runs the pre-applypatch -------------- -This hook is invoked by `git-am`. It takes no parameter, and is +This hook is invoked by 'git-am'. It takes no parameter, and is invoked after the patch is applied, but before a commit is made. If it exits with non-zero status, then the working tree will not be @@ -55,33 +56,33 @@ The default 'pre-applypatch' hook, when enabled, runs the post-applypatch --------------- -This hook is invoked by `git-am`. It takes no parameter, +This hook is invoked by 'git-am'. It takes no parameter, and is invoked after the patch is applied and a commit is made. This hook is meant primarily for notification, and cannot affect -the outcome of `git-am`. +the outcome of 'git-am'. pre-commit ---------- -This hook is invoked by `git-commit`, and can be bypassed +This hook is invoked by 'git-commit', and can be bypassed with `\--no-verify` option. It takes no parameter, and is invoked before obtaining the proposed commit log message and making a commit. Exiting with non-zero status from this script -causes the `git-commit` to abort. +causes the 'git-commit' to abort. The default 'pre-commit' hook, when enabled, catches introduction of lines with trailing whitespaces and aborts the commit when such a line is found. -All the `git-commit` hooks are invoked with the environment +All the 'git-commit' hooks are invoked with the environment variable `GIT_EDITOR=:` if the command will not bring up an editor to modify the commit message. prepare-commit-msg ------------------ -This hook is invoked by `git-commit` right after preparing the +This hook is invoked by 'git-commit' right after preparing the default log message, and before the editor is started. It takes one to three parameters. The first is the name of the file @@ -93,7 +94,7 @@ commit is a merge or a `.git/MERGE_MSG` file exists); `squash` (if a `.git/SQUASH_MSG` file exists); or `commit`, followed by a commit SHA1 (if a `\-c`, `\-C` or `\--amend` option was given). -If the exit status is non-zero, `git-commit` will abort. +If the exit status is non-zero, 'git-commit' will abort. The purpose of the hook is to edit the message file in place, and it is not suppressed by the `\--no-verify` option. A non-zero exit @@ -106,10 +107,10 @@ out the `Conflicts:` part of a merge's commit message. commit-msg ---------- -This hook is invoked by `git-commit`, and can be bypassed +This hook is invoked by 'git-commit', and can be bypassed with `\--no-verify` option. It takes a single parameter, the name of the file that holds the proposed commit log message. -Exiting with non-zero status causes the `git-commit` to +Exiting with non-zero status causes the 'git-commit' to abort. The hook is allowed to edit the message file in place, and can @@ -123,21 +124,21 @@ The default 'commit-msg' hook, when enabled, detects duplicate post-commit ----------- -This hook is invoked by `git-commit`. It takes no +This hook is invoked by 'git-commit'. It takes no parameter, and is invoked after a commit is made. This hook is meant primarily for notification, and cannot affect -the outcome of `git-commit`. +the outcome of 'git-commit'. post-checkout ----------- -This hook is invoked when a `git-checkout` is run after having updated the +This hook is invoked when a 'git-checkout' is run after having updated the worktree. The hook is given three parameters: the ref of the previous HEAD, the ref of the new HEAD (which may or may not have changed), and a flag indicating whether the checkout was a branch checkout (changing branches, flag=1) or a file checkout (retrieving a file from the index, flag=0). -This hook cannot affect the outcome of `git-checkout`. +This hook cannot affect the outcome of 'git-checkout'. This hook can be used to perform repository validity checks, auto-display differences from the previous HEAD if different, or set working dir metadata @@ -146,10 +147,10 @@ properties. post-merge ----------- -This hook is invoked by `git-merge`, which happens when a `git pull` +This hook is invoked by 'git-merge', which happens when a 'git-pull' is done on a local repository. The hook takes a single parameter, a status flag specifying whether or not the merge being done was a squash merge. -This hook cannot affect the outcome of `git-merge` and is not executed, +This hook cannot affect the outcome of 'git-merge' and is not executed, if the merge failed due to conflicts. This hook can be used in conjunction with a corresponding pre-commit hook to @@ -161,8 +162,8 @@ for an example of how to do this. pre-receive ----------- -This hook is invoked by `git-receive-pack` on the remote repository, -which happens when a `git push` is done on a local repository. +This hook is invoked by 'git-receive-pack' on the remote repository, +which happens when a 'git-push' is done on a local repository. Just before starting to update refs on the remote repository, the pre-receive hook is invoked. Its exit status determines the success or failure of the update. @@ -183,15 +184,15 @@ updated. If the hook exits with zero, updating of individual refs can still be prevented by the <<update,'update'>> hook. Both standard output and standard error output are forwarded to -`git-send-pack` on the other end, so you can simply `echo` messages +'git-send-pack' on the other end, so you can simply `echo` messages for the user. [[update]] update ------ -This hook is invoked by `git-receive-pack` on the remote repository, -which happens when a `git push` is done on a local repository. +This hook is invoked by 'git-receive-pack' on the remote repository, +which happens when a 'git-push' is done on a local repository. Just before updating the ref on the remote repository, the update hook is invoked. Its exit status determines the success or failure of the ref update. @@ -204,7 +205,7 @@ three parameters: - and the new objectname to be stored in the ref. A zero exit from the update hook allows the ref to be updated. -Exiting with a non-zero status prevents `git-receive-pack` +Exiting with a non-zero status prevents 'git-receive-pack' from updating that ref. This hook can be used to prevent 'forced' update on certain refs by @@ -222,7 +223,7 @@ implement access control which is finer grained than the one based on filesystem group. Both standard output and standard error output are forwarded to -`git-send-pack` on the other end, so you can simply `echo` messages +'git-send-pack' on the other end, so you can simply `echo` messages for the user. The default 'update' hook, when enabled--and with @@ -233,8 +234,8 @@ unannotated tags to be pushed. post-receive ------------ -This hook is invoked by `git-receive-pack` on the remote repository, -which happens when a `git push` is done on a local repository. +This hook is invoked by 'git-receive-pack' on the remote repository, +which happens when a 'git-push' is done on a local repository. It executes on the remote repository once after all the refs have been updated. @@ -243,7 +244,7 @@ arguments, but gets the same information as the <<pre-receive,'pre-receive'>> hook does on its standard input. -This hook does not affect the outcome of `git-receive-pack`, as it +This hook does not affect the outcome of 'git-receive-pack', as it is called after the real work is done. This supersedes the <<post-update,'post-update'>> hook in that it gets @@ -251,7 +252,7 @@ both old and new values of all the refs in addition to their names. Both standard output and standard error output are forwarded to -`git-send-pack` on the other end, so you can simply `echo` messages +'git-send-pack' on the other end, so you can simply `echo` messages for the user. The default 'post-receive' hook is empty, but there is @@ -263,8 +264,8 @@ emails. post-update ----------- -This hook is invoked by `git-receive-pack` on the remote repository, -which happens when a `git push` is done on a local repository. +This hook is invoked by 'git-receive-pack' on the remote repository, +which happens when a 'git-push' is done on a local repository. It executes on the remote repository once after all the refs have been updated. @@ -272,7 +273,7 @@ It takes a variable number of parameters, each of which is the name of ref that was actually updated. This hook is meant primarily for notification, and cannot affect -the outcome of `git-receive-pack`. +the outcome of 'git-receive-pack'. The 'post-update' hook can tell what are the heads that were pushed, but it does not know what their original and updated values are, @@ -282,22 +283,22 @@ updated values of the refs. You might consider it instead if you need them. When enabled, the default 'post-update' hook runs -`git-update-server-info` to keep the information used by dumb +'git-update-server-info' to keep the information used by dumb transports (e.g., HTTP) up-to-date. If you are publishing a git repository that is accessible via HTTP, you should probably enable this hook. Both standard output and standard error output are forwarded to -`git-send-pack` on the other end, so you can simply `echo` messages +'git-send-pack' on the other end, so you can simply `echo` messages for the user. pre-auto-gc ----------- -This hook is invoked by `git-gc --auto`. It takes no parameter, and -exiting with non-zero status from this script causes the `git-gc --auto` +This hook is invoked by 'git-gc --auto'. It takes no parameter, and +exiting with non-zero status from this script causes the 'git-gc --auto' to abort. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/gitignore.txt b/Documentation/gitignore.txt index 613dca006f..fc0efd8ec8 100644 --- a/Documentation/gitignore.txt +++ b/Documentation/gitignore.txt @@ -51,10 +51,10 @@ the user's editor of choice) generally go into a file specified by `core.excludesfile` in the user's `~/.gitconfig`. The underlying git plumbing tools, such as -linkgit:git-ls-files[1] and linkgit:git-read-tree[1], read +'git-ls-files' and 'git-read-tree', read `gitignore` patterns specified by command-line options, or from files specified by command-line options. Higher-level git -tools, such as linkgit:git-status[1] and linkgit:git-add[1], +tools, such as 'git-status' and 'git-add', use patterns from the sources specified above. Patterns have the following format: @@ -92,7 +92,7 @@ Patterns have the following format: An example: -------------------------------------------------------------- - $ git-status + $ git status [...] # Untracked files: [...] @@ -110,7 +110,7 @@ An example: *.html # except foo.html which is maintained by hand !foo.html - $ git-status + $ git status [...] # Untracked files: [...] @@ -138,4 +138,4 @@ Frank Lichtenheld, and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/gitk.txt b/Documentation/gitk.txt index 50d12da89f..e02ecf5744 100644 --- a/Documentation/gitk.txt +++ b/Documentation/gitk.txt @@ -22,10 +22,12 @@ git repository. OPTIONS ------- To control which revisions to shown, the command takes options applicable to -the linkgit:git-rev-list[1] command. This manual page describes only the most +the 'git-rev-list' command (see linkgit:git-rev-list[1]). +This manual page describes only the most frequently used options. --n <number>, --max-count=<number>:: +-n <number>:: +--max-count=<number>:: Limits the number of commits to show. @@ -85,7 +87,7 @@ Files Gitk creates the .gitk file in your $HOME directory to store preferences such as display options, font, and colors. -See Also +SEE ALSO -------- 'qgit(1)':: A repository browser written in C++ using Qt. @@ -109,4 +111,4 @@ Documentation by Junio C Hamano, Jonas Fonseca, and the git-list GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/gitmodules.txt b/Documentation/gitmodules.txt index cc95b69f27..f8d122a8b9 100644 --- a/Documentation/gitmodules.txt +++ b/Documentation/gitmodules.txt @@ -59,4 +59,4 @@ Documentation by Lars Hjemli <hjemli@gmail.com> GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite diff --git a/Documentation/repository-layout.txt b/Documentation/gitrepository-layout.txt index 7fd187be8a..a969b3fbc3 100644 --- a/Documentation/repository-layout.txt +++ b/Documentation/gitrepository-layout.txt @@ -1,9 +1,20 @@ -git repository layout -===================== +gitrepository-layout(5) +======================= + +NAME +---- +gitrepository-layout - Git Repository Layout + +SYNOPSIS +-------- +$GIT_DIR/* + +DESCRIPTION +----------- You may find these things in your git repository (`.git` directory for a repository associated with your working tree, or -`'project'.git` directory for a public 'bare' repository. It is +`<project>.git` directory for a public 'bare' repository. It is also possible to have a working tree where `.git` is a plain ascii file containing `gitdir: <path>`, i.e. the path to the real git repository). @@ -53,7 +64,7 @@ objects/info/packs:: are available in this object store. Whenever a pack is added or removed, `git update-server-info` should be run to keep this file up-to-date if the repository is - published for dumb transports. `git repack` does this + published for dumb transports. 'git-repack' does this by default. objects/info/alternates:: @@ -74,7 +85,7 @@ objects/info/http-alternates:: refs:: References are stored in subdirectories of this - directory. The `git prune` command knows to keep + directory. The 'git-prune' command knows to keep objects reachable from refs found in this directory and its subdirectories. @@ -114,17 +125,17 @@ details. branches:: A slightly deprecated way to store shorthands to be used - to specify URL to `git fetch`, `git pull` and `git push` - commands is to store a file in `branches/'name'` and + to specify URL to 'git-fetch', 'git-pull' and 'git-push' + commands is to store a file in `branches/<name>` and give 'name' to these commands in place of 'repository' argument. hooks:: Hooks are customization scripts used by various git commands. A handful of sample hooks are installed when - `git init` is run, but all of them are disabled by + 'git-init' is run, but all of them are disabled by default. To enable, they need to be made executable. - Read linkgit:githooks[5][hooks] for more details about + Read linkgit:githooks[5] for more details about each hook. index:: @@ -139,10 +150,10 @@ info/refs:: This file helps dumb transports discover what refs are available in this repository. If the repository is published for dumb transports, this file should be - regenerated by `git update-server-info` every time a tag + regenerated by 'git-update-server-info' every time a tag or branch is created or modified. This is normally done from the `hooks/update` hook, which is run by the - `git-receive-pack` command when you `git push` into the + 'git-receive-pack' command when you 'git-push' into the repository. info/grafts:: @@ -156,18 +167,18 @@ info/grafts:: info/exclude:: This file, by convention among Porcelains, stores the exclude pattern list. `.gitignore` is the per-directory - ignore file. `git status`, `git add`, `git rm` and `git - clean` look at it but the core git commands do not look + ignore file. 'git-status', 'git-add', 'git-rm' and + 'git-clean' look at it but the core git commands do not look at it. See also: linkgit:gitignore[5]. remotes:: Stores shorthands to be used to give URL and default - refnames to interact with remote repository to `git - fetch`, `git pull` and `git push` commands. + refnames to interact with remote repository to + 'git-fetch', 'git-pull' and 'git-push' commands. logs:: Records of changes made to refs are stored in this - directory. See the documentation on git-update-ref + directory. See linkgit:git-update-ref[1] for more information. logs/refs/heads/`name`:: @@ -180,3 +191,18 @@ shallow:: This is similar to `info/grafts` but is internally used and maintained by shallow clone mechanism. See `--depth` option to linkgit:git-clone[1] and linkgit:git-fetch[1]. + +SEE ALSO +-------- +linkgit:git-init[1], +linkgit:git-clone[1], +linkgit:git-fetch[1], +linkgit:git-pack-refs[1], +linkgit:git-gc[1], +linkgit:git-checkout[1], +linkgit:gitglossary[7], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/tutorial-2.txt b/Documentation/gittutorial-2.txt index 7fac47de8b..660904686c 100644 --- a/Documentation/tutorial-2.txt +++ b/Documentation/gittutorial-2.txt @@ -1,8 +1,18 @@ -A tutorial introduction to git: part two -======================================== +gittutorial-2(7) +================ -You should work through link:tutorial.html[A tutorial introduction to -git] before reading this tutorial. +NAME +---- +gittutorial-2 - A tutorial introduction to git: part two + +SYNOPSIS +-------- +git * + +DESCRIPTION +----------- + +You should work through linkgit:gittutorial[7] before reading this tutorial. The goal of this tutorial is to introduce two fundamental pieces of git's architecture--the object database and the index file--and to @@ -44,15 +54,15 @@ following the example above generates a different SHA1 hash than the one shown above because the commit object records the time when it was created and the name of the person performing the commit. -We can ask git about this particular object with the cat-file +We can ask git about this particular object with the `cat-file` command. Don't copy the 40 hex digits from this example but use those from your own version. Note that you can shorten it to only a few characters to save yourself typing all 40 hex digits: ------------------------------------------------ -$ git-cat-file -t 54196cc2 +$ git cat-file -t 54196cc2 commit -$ git-cat-file commit 54196cc2 +$ git cat-file commit 54196cc2 tree 92b8b694ffb1675e5975148e1121810081dbdffe author J. Bruce Fields <bfields@puzzle.fieldses.org> 1143414668 -0500 committer J. Bruce Fields <bfields@puzzle.fieldses.org> 1143414668 -0500 @@ -155,7 +165,7 @@ hello world! and the "parent" object refers to the previous commit: ------------------------------------------------ -$ git-cat-file commit 54196cc2 +$ git cat-file commit 54196cc2 tree 92b8b694ffb1675e5975148e1121810081dbdffe author J. Bruce Fields <bfields@puzzle.fieldses.org> 1143414668 -0500 committer J. Bruce Fields <bfields@puzzle.fieldses.org> 1143414668 -0500 @@ -202,8 +212,8 @@ designate such an argument. The index file -------------- -The primary tool we've been using to create commits is "git commit --a", which creates a commit including every change you've made to +The primary tool we've been using to create commits is `git-commit +-a`, which creates a commit including every change you've made to your working tree. But what if you want to commit changes only to certain files? Or only certain changes to certain files? @@ -235,7 +245,7 @@ The last diff is empty, but no new commits have been made, and the head still doesn't contain the new line: ------------------------------------------------ -$ git-diff HEAD +$ git diff HEAD diff --git a/file.txt b/file.txt index a042389..513feba 100644 --- a/file.txt @@ -245,7 +255,7 @@ index a042389..513feba 100644 +hello world, again ------------------------------------------------ -So "git diff" is comparing against something other than the head. +So 'git-diff' is comparing against something other than the head. The thing that it's comparing against is actually the index file, which is stored in .git/index in a binary format, but whose contents we can examine with ls-files: @@ -260,9 +270,9 @@ hello world! hello world, again ------------------------------------------------ -So what our "git add" did was store a new blob and then put +So what our 'git-add' did was store a new blob and then put a reference to it in the index file. If we modify the file again, -we'll see that the new modifications are reflected in the "git-diff" +we'll see that the new modifications are reflected in the 'git-diff' output: ------------------------------------------------ @@ -277,7 +287,7 @@ index 513feba..ba3da7b 100644 +again? ------------------------------------------------ -With the right arguments, git diff can also show us the difference +With the right arguments, 'git-diff' can also show us the difference between the working directory and the last commit, or between the index and the last commit: @@ -301,8 +311,8 @@ index a042389..513feba 100644 +hello world, again ------------------------------------------------ -At any time, we can create a new commit using "git commit" (without -the -a option), and verify that the state committed only includes the +At any time, we can create a new commit using 'git-commit' (without +the "-a" option), and verify that the state committed only includes the changes stored in the index file, not the additional change that is still only in our working tree: @@ -319,11 +329,11 @@ index 513feba..ba3da7b 100644 +again? ------------------------------------------------ -So by default "git commit" uses the index to create the commit, not -the working tree; the -a option to commit tells it to first update +So by default 'git-commit' uses the index to create the commit, not +the working tree; the "-a" option to commit tells it to first update the index with all changes in the working tree. -Finally, it's worth looking at the effect of "git add" on the index +Finally, it's worth looking at the effect of 'git-add' on the index file: ------------------------------------------------ @@ -331,7 +341,7 @@ $ echo "goodbye, world" >closing.txt $ git add closing.txt ------------------------------------------------ -The effect of the "git add" was to add one entry to the index file: +The effect of the 'git-add' was to add one entry to the index file: ------------------------------------------------ $ git ls-files --stage @@ -372,14 +382,14 @@ it is marked "changed but not updated". At this point, running "git commit" would create a commit that added closing.txt (with its new contents), but that didn't modify file.txt. -Also, note that a bare "git diff" shows the changes to file.txt, but +Also, note that a bare `git diff` shows the changes to file.txt, but not the addition of closing.txt, because the version of closing.txt in the index file is identical to the one in the working directory. In addition to being the staging area for new commits, the index file is also populated from the object database when checking out a branch, and is used to hold the trees involved in a merge operation. -See the link:core-tutorial.html[core tutorial] and the relevant man +See linkgit:gitcore-tutorial[7] and the relevant man pages for details. What next? @@ -388,19 +398,31 @@ What next? At this point you should know everything necessary to read the man pages for any of the git commands; one good place to start would be with the commands mentioned in link:everyday.html[Everyday git]. You -should be able to find any unknown jargon in the -link:glossary.html[Glossary]. +should be able to find any unknown jargon in linkgit:gitglossary[7]. The link:user-manual.html[Git User's Manual] provides a more comprehensive introduction to git. -The link:cvs-migration.html[CVS migration] document explains how to +linkgit:gitcvs-migration[7] explains how to import a CVS repository into git, and shows how to use git in a CVS-like way. For some interesting examples of git use, see the link:howto-index.html[howtos]. -For git developers, the link:core-tutorial.html[Core tutorial] goes +For git developers, linkgit:gitcore-tutorial[7] goes into detail on the lower-level git mechanisms involved in, for example, creating a new commit. + +SEE ALSO +-------- +linkgit:gittutorial[7], +linkgit:gitcvs-migration[7], +linkgit:gitcore-tutorial[7], +linkgit:gitglossary[7], +link:everyday.html[Everyday git], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/tutorial.txt b/Documentation/gittutorial.txt index e2bbda53f0..e71b561172 100644 --- a/Documentation/tutorial.txt +++ b/Documentation/gittutorial.txt @@ -1,5 +1,16 @@ -A tutorial introduction to git (for version 1.5.1 or newer) -=========================================================== +gittutorial(7) +============== + +NAME +---- +gittutorial - A tutorial introduction to git (for version 1.5.1 or newer) + +SYNOPSIS +-------- +git * + +DESCRIPTION +----------- This tutorial explains how to import a new project into git, make changes to it, and share changes with other developers. @@ -8,11 +19,11 @@ If you are instead primarily interested in using git to fetch a project, for example, to test the latest version, you may prefer to start with the first two chapters of link:user-manual.html[The Git User's Manual]. -First, note that you can get documentation for a command such as "git -diff" with: +First, note that you can get documentation for a command such as +`git log --graph` with: ------------------------------------------------ -$ man git-diff +$ man git-log ------------------------------------------------ It is a good idea to introduce yourself to git with your name and @@ -47,7 +58,7 @@ You've now initialized the working directory--you may notice a new directory created, named ".git". Next, tell git to take a snapshot of the contents of all files under the -current directory (note the '.'), with linkgit:git-add[1]: +current directory (note the '.'), with 'git-add': ------------------------------------------------ $ git add . @@ -55,7 +66,7 @@ $ git add . This snapshot is now stored in a temporary staging area which git calls the "index". You can permanently store the contents of the index in the -repository with linkgit:git-commit[1]: +repository with 'git-commit': ------------------------------------------------ $ git commit @@ -74,15 +85,15 @@ $ git add file1 file2 file3 ------------------------------------------------ You are now ready to commit. You can see what is about to be committed -using linkgit:git-diff[1] with the --cached option: +using 'git-diff' with the --cached option: ------------------------------------------------ $ git diff --cached ------------------------------------------------ -(Without --cached, linkgit:git-diff[1] will show you any changes that +(Without --cached, 'git-diff' will show you any changes that you've made but not yet added to the index.) You can also get a brief -summary of the situation with linkgit:git-status[1]: +summary of the situation with 'git-status': ------------------------------------------------ $ git status @@ -103,10 +114,10 @@ newly modified content to the index. Finally, commit your changes with: $ git commit ------------------------------------------------ -This will again prompt your for a message describing the change, and then +This will again prompt you for a message describing the change, and then record a new version of the project. -Alternatively, instead of running `git add` beforehand, you can use +Alternatively, instead of running 'git-add' beforehand, you can use ------------------------------------------------ $ git commit -a @@ -125,9 +136,9 @@ commit in the body. Git tracks content not files ---------------------------- -Many revision control systems provide an "add" command that tells the -system to start tracking changes to a new file. Git's "add" command -does something simpler and more powerful: `git add` is used both for new +Many revision control systems provide an `add` command that tells the +system to start tracking changes to a new file. Git's `add` command +does something simpler and more powerful: 'git-add' is used both for new and newly modified files, and in both cases it takes a snapshot of the given files and stages that content in the index, ready for inclusion in the next commit. @@ -305,7 +316,7 @@ $ git remote add bob /home/bob/myrepo ------------------------------------------------ With this, Alice can perform the first operation alone using the -"git fetch" command without merging them with her own branch, +'git-fetch' command without merging them with her own branch, using: ------------------------------------- @@ -313,7 +324,7 @@ $ git fetch bob ------------------------------------- Unlike the longhand form, when Alice fetches from Bob using a -remote repository shorthand set up with `git remote`, what was +remote repository shorthand set up with 'git-remote', what was fetched is stored in a remote tracking branch, in this case `bob/master`. So after this: @@ -357,8 +368,8 @@ $ git config --get remote.origin.url /home/alice/project ------------------------------------- -(The complete configuration created by git-clone is visible using -"git config -l", and the linkgit:git-config[1] man page +(The complete configuration created by 'git-clone' is visible using +`git config -l`, and the linkgit:git-config[1] man page explains the meaning of each option.) Git also keeps a pristine copy of Alice's master branch under the @@ -381,13 +392,13 @@ see linkgit:git-pull[1] for details. Git can also be used in a CVS-like mode, with a central repository that various users push changes to; see linkgit:git-push[1] and -link:cvs-migration.html[git for CVS users]. +linkgit:gitcvs-migration[7]. Exploring history ----------------- Git history is represented as a series of interrelated commits. We -have already seen that the git log command can list those commits. +have already seen that the 'git-log' command can list those commits. Note that first line of each git log entry also gives a name for the commit: @@ -400,7 +411,7 @@ Date: Tue May 16 17:18:22 2006 -0700 merge-base: Clarify the comments on post processing. ------------------------------------- -We can give this name to git show to see the details about this +We can give this name to 'git-show' to see the details about this commit. ------------------------------------- @@ -436,7 +447,7 @@ $ git show HEAD^2 # show the second parent of HEAD You can also give commits names of your own; after running ------------------------------------- -$ git-tag v2.5 1b2e1d63ff +$ git tag v2.5 1b2e1d63ff ------------------------------------- you can refer to 1b2e1d63ff by the name "v2.5". If you intend to @@ -458,13 +469,13 @@ $ git reset --hard HEAD^ # reset your current branch and working Be careful with that last command: in addition to losing any changes in the working directory, it will also remove all later commits from this branch. If this branch is the only branch containing those -commits, they will be lost. Also, don't use "git reset" on a +commits, they will be lost. Also, don't use 'git-reset' on a publicly-visible branch that other developers pull from, as it will force needless merges on other developers to clean up the history. -If you need to undo changes that you have pushed, use linkgit:git-revert[1] +If you need to undo changes that you have pushed, use 'git-revert' instead. -The git grep command can search for strings in any version of your +The 'git-grep' command can search for strings in any version of your project, so ------------------------------------- @@ -473,7 +484,7 @@ $ git grep "hello" v2.5 searches for all occurrences of "hello" in v2.5. -If you leave out the commit name, git grep will search any of the +If you leave out the commit name, 'git-grep' will search any of the files it manages in your current directory. So ------------------------------------- @@ -483,7 +494,7 @@ $ git grep "hello" is a quick way to search just the files that are tracked by git. Many git commands also take sets of commits, which can be specified -in a number of ways. Here are some examples with git log: +in a number of ways. Here are some examples with 'git-log': ------------------------------------- $ git log v2.5..v2.6 # commits between v2.5 and v2.6 @@ -493,7 +504,7 @@ $ git log v2.5.. Makefile # commits since v2.5 which modify # Makefile ------------------------------------- -You can also give git log a "range" of commits where the first is not +You can also give 'git-log' a "range" of commits where the first is not necessarily an ancestor of the second; for example, if the tips of the branches "stable-release" and "master" diverged from a common commit some time ago, then @@ -512,13 +523,13 @@ $ git log experimental..stable will show the list of commits made on the stable branch but not the experimental branch. -The "git log" command has a weakness: it must present commits in a +The 'git-log' command has a weakness: it must present commits in a list. When the history has lines of development that diverged and -then merged back together, the order in which "git log" presents +then merged back together, the order in which 'git-log' presents those commits is meaningless. Most projects with multiple contributors (such as the linux kernel, -or git itself) have frequent merges, and gitk does a better job of +or git itself) have frequent merges, and 'gitk' does a better job of visualizing their history. For example, ------------------------------------- @@ -538,7 +549,7 @@ of the file: $ git diff v2.5:Makefile HEAD:Makefile.in ------------------------------------- -You can also use "git show" to see any such file: +You can also use 'git-show' to see any such file: ------------------------------------- $ git show v2.5:Makefile @@ -560,9 +571,9 @@ is based: used to create commits, check out working directories, and hold the various trees involved in a merge. -link:tutorial-2.html[Part two of this tutorial] explains the object +Part two of this tutorial explains the object database, the index file, and a few other odds and ends that you'll -need to make the most of git. +need to make the most of git. You can find it at linkgit:gittutorial-2[7]. If you don't want to continue with that right away, a few other digressions that may be interesting at this point are: @@ -581,4 +592,17 @@ digressions that may be interesting at this point are: * link:everyday.html[Everyday GIT with 20 Commands Or So] - * link:cvs-migration.html[git for CVS users]. + * linkgit:gitcvs-migration[7]: Git for CVS users. + +SEE ALSO +-------- +linkgit:gittutorial-2[7], +linkgit:gitcvs-migration[7], +linkgit:gitcore-tutorial[7], +linkgit:gitglossary[7], +link:everyday.html[Everyday git], +link:user-manual.html[The Git User's Manual] + +GIT +--- +Part of the linkgit:git[1] suite. diff --git a/Documentation/glossary.txt b/Documentation/glossary-content.txt index 51b63532b6..9b4a4f45e9 100644 --- a/Documentation/glossary.txt +++ b/Documentation/glossary-content.txt @@ -1,6 +1,3 @@ -GIT Glossary -============ - [[def_alternate_object_database]]alternate object database:: Via the alternates mechanism, a <<def_repository,repository>> can inherit part of its <<def_object_database,object database>> @@ -90,11 +87,10 @@ to point at the new commit. source code management tools. [[def_DAG]]DAG:: - Directed acyclic graph. The <<def_commit,commit>> objects form a + Directed acyclic graph. The <<def_commit_object,commit objects>> form a directed acyclic graph, because they have parents (directed), and the - graph of commit objects is acyclic (there is no - <<def_chain,chain>> which begins and ends with the same - <<def_object,object>>). + graph of commit objects is acyclic (there is no <<def_chain,chain>> + which begins and ends with the same <<def_object,object>>). [[def_dangling_object]]dangling object:: An <<def_unreachable_object,unreachable object>> which is not @@ -250,9 +246,10 @@ This commit is referred to as a "merge commit", or sometimes just a the <<def_hash,hash>> of the object. [[def_object_type]]object type:: - One of the identifiers - "<<def_commit,commit>>","<<def_tree,tree>>","<<def_tag,tag>>" or "<<def_blob_object,blob>>" - describing the type of an <<def_object,object>>. + One of the identifiers "<<def_commit_object,commit>>", + "<<def_tree_object,tree>>", "<<def_tag_object,tag>>" or + "<<def_blob_object,blob>>" describing the type of an + <<def_object,object>>. [[def_octopus]]octopus:: To <<def_merge,merge>> more than two <<def_branch,branches>>. Also denotes an diff --git a/Documentation/howto/setup-git-server-over-http.txt b/Documentation/howto/setup-git-server-over-http.txt index b7d09c1ec6..4032748608 100644 --- a/Documentation/howto/setup-git-server-over-http.txt +++ b/Documentation/howto/setup-git-server-over-http.txt @@ -186,7 +186,7 @@ Step 3: setup the client ------------------------ Make sure that you have HTTP support, i.e. your git was built with -curl (version more recent than 7.10). The command 'git http-push' with +libcurl (version more recent than 7.10). The command 'git http-push' with no argument should display a usage message. Then, add the following to your $HOME/.netrc (you can do without, but will be diff --git a/Documentation/howto/update-hook-example.txt b/Documentation/howto/update-hook-example.txt index 88765b5575..8b2ec502f4 100644 --- a/Documentation/howto/update-hook-example.txt +++ b/Documentation/howto/update-hook-example.txt @@ -65,10 +65,10 @@ function info { # Implement generic branch and tag policies. # - Tags should not be updated once created. -# - Branches should only be fast-forwarded. +# - Branches should only be fast-forwarded unless their pattern starts with '+' case "$1" in refs/tags/*) - [ -f "$GIT_DIR/$1" ] && + git rev-parse --verify -q "$1" && deny >/dev/null "You can't overwrite an existing tag" ;; refs/heads/*) @@ -80,7 +80,7 @@ case "$1" in mb=$(git-merge-base "$2" "$3") case "$mb,$2" in "$2,$mb") info "Update is fast-forward" ;; - *) deny >/dev/null "This is not a fast-forward update." ;; + *) noff=y; info "This is not a fast-forward update.";; esac fi ;; @@ -95,21 +95,30 @@ allowed_users_file=$GIT_DIR/info/allowed-users username=$(id -u -n) info "The user is: '$username'" -if [ -f "$allowed_users_file" ]; then +if test -f "$allowed_users_file" +then rc=$(cat $allowed_users_file | grep -v '^#' | grep -v '^$' | - while read head_pattern user_patterns; do - matchlen=$(expr "$1" : "$head_pattern") - if [ "$matchlen" == "${#1}" ]; then - info "Found matching head pattern: '$head_pattern'" - for user_pattern in $user_patterns; do - info "Checking user: '$username' against pattern: '$user_pattern'" - matchlen=$(expr "$username" : "$user_pattern") - if [ "$matchlen" == "${#username}" ]; then - grant "Allowing user: '$username' with pattern: '$user_pattern'" - fi - done - deny "The user is not in the access list for this branch" - fi + while read heads user_patterns + do + # does this rule apply to us? + head_pattern=${heads#+} + matchlen=$(expr "$1" : "${head_pattern#+}") + test "$matchlen" = ${#1} || continue + + # if non-ff, $heads must be with the '+' prefix + test -n "$noff" && + test "$head_pattern" = "$heads" && continue + + info "Found matching head pattern: '$head_pattern'" + for user_pattern in $user_patterns; do + info "Checking user: '$username' against pattern: '$user_pattern'" + matchlen=$(expr "$username" : "$user_pattern") + if test "$matchlen" = "${#username}" + then + grant "Allowing user: '$username' with pattern: '$user_pattern'" + fi + done + deny "The user is not in the access list for this branch" done ) case "$rc" in @@ -124,23 +133,32 @@ groups=$(id -G -n) info "The user belongs to the following groups:" info "'$groups'" -if [ -f "$allowed_groups_file" ]; then +if test -f "$allowed_groups_file" +then rc=$(cat $allowed_groups_file | grep -v '^#' | grep -v '^$' | - while read head_pattern group_patterns; do - matchlen=$(expr "$1" : "$head_pattern") - if [ "$matchlen" == "${#1}" ]; then - info "Found matching head pattern: '$head_pattern'" - for group_pattern in $group_patterns; do - for groupname in $groups; do - info "Checking group: '$groupname' against pattern: '$group_pattern'" - matchlen=$(expr "$groupname" : "$group_pattern") - if [ "$matchlen" == "${#groupname}" ]; then - grant "Allowing group: '$groupname' with pattern: '$group_pattern'" - fi - done + while read heads group_patterns + do + # does this rule apply to us? + head_pattern=${heads#+} + matchlen=$(expr "$1" : "${head_pattern#+}") + test "$matchlen" = ${#1} || continue + + # if non-ff, $heads must be with the '+' prefix + test -n "$noff" && + test "$head_pattern" = "$heads" && continue + + info "Found matching head pattern: '$head_pattern'" + for group_pattern in $group_patterns; do + for groupname in $groups; do + info "Checking group: '$groupname' against pattern: '$group_pattern'" + matchlen=$(expr "$groupname" : "$group_pattern") + if test "$matchlen" = "${#groupname}" + then + grant "Allowing group: '$groupname' with pattern: '$group_pattern'" + fi done - deny "None of the user's groups are in the access list for this branch" - fi + done + deny "None of the user's groups are in the access list for this branch" done ) case "$rc" in @@ -159,6 +177,7 @@ allowed-groups, to describe which heads can be pushed into by whom. The format of each file would look like this: refs/heads/master junio + +refs/heads/pu junio refs/heads/cogito$ pasky refs/heads/bw/.* linus refs/heads/tmp/.* .* @@ -166,7 +185,8 @@ whom. The format of each file would look like this: With this, Linus can push or create "bw/penguin" or "bw/zebra" or "bw/panda" branches, Pasky can do only "cogito", and JC can -do master branch and make versioned tags. And anybody can do -tmp/blah branches. +do master and pu branches and make versioned tags. And anybody +can do tmp/blah branches. The '+' sign at the pu record means +that JC can make non-fast-forward pushes on it. ------------ diff --git a/Documentation/i18n.txt b/Documentation/i18n.txt index 1e188e6e74..fb0d7da56b 100644 --- a/Documentation/i18n.txt +++ b/Documentation/i18n.txt @@ -21,7 +21,7 @@ project find it more convenient to use legacy encodings, git does not forbid it. However, there are a few things to keep in mind. -. `git-commit-tree` (hence, `git-commit` which uses it) issues +. 'git-commit-tree' (hence, 'git-commit' which uses it) issues a warning if the commit log message given to it does not look like a valid UTF-8 string, unless you explicitly say your project uses a legacy encoding. The way to say this is to @@ -37,7 +37,7 @@ of `i18n.commitencoding` in its `encoding` header. This is to help other people who look at them later. Lack of this header implies that the commit log message is encoded in UTF-8. -. `git-log`, `git-show` and friends looks at the `encoding` +. 'git-log', 'git-show' and friends looks at the `encoding` header of a commit object, and tries to re-code the log message into UTF-8 unless otherwise specified. You can specify the desired output encoding with diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt index f37a776489..007909a82f 100644 --- a/Documentation/merge-options.txt +++ b/Documentation/merge-options.txt @@ -2,10 +2,12 @@ Show a diffstat at the end of the merge. The diffstat is also controlled by the configuration option merge.stat. --n, \--no-stat:: +-n:: +--no-stat:: Do not show diffstat at the end of the merge. ---summary, \--no-summary:: +--summary:: +--no-summary:: Synonyms to --stat and --no-stat; these are deprecated and will be removed in the future. @@ -49,9 +51,10 @@ a fast-forward, only update the branch pointer. This is the default behavior of git-merge. --s <strategy>, \--strategy=<strategy>:: +-s <strategy>:: +--strategy=<strategy>:: Use the given merge strategy; can be supplied more than once to specify them in the order they should be tried. If there is no `-s` option, a built-in list of strategies - is used instead (`git-merge-recursive` when merging a single - head, `git-merge-octopus` otherwise). + is used instead ('git-merge-recursive' when merging a single + head, 'git-merge-octopus' otherwise). diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index e8bea3e18e..69e6d2fa44 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -30,7 +30,7 @@ This is designed to be as compact as possible. commit <sha1> Author: <author> - Date: <date> + Date: <author date> <title line> @@ -50,9 +50,9 @@ This is designed to be as compact as possible. commit <sha1> Author: <author> - AuthorDate: <date & time> + AuthorDate: <author date> Commit: <committer> - CommitDate: <date & time> + CommitDate: <committer date> <title line> @@ -62,7 +62,7 @@ This is designed to be as compact as possible. From <sha1> <date> From: <author> - Date: <date & time> + Date: <author date> Subject: [PATCH] <title line> <full commit message> @@ -124,3 +124,25 @@ The placeholders are: - '%m': left, right or boundary mark - '%n': newline - '%x00': print a byte from a hex code + +* 'tformat:' ++ +The 'tformat:' format works exactly like 'format:', except that it +provides "terminator" semantics instead of "separator" semantics. In +other words, each commit has the message terminator character (usually a +newline) appended, rather than a separator placed between entries. +This means that the final entry of a single-line format will be properly +terminated with a new line, just as the "oneline" format does. +For example: ++ +--------------------- +$ git log -2 --pretty=format:%h 4da45bef \ + | perl -pe '$_ .= " -- NO NEWLINE\n" unless /\n/' +4da45be +7134973 -- NO NEWLINE + +$ git log -2 --pretty=tformat:%h 4da45bef \ + | perl -pe '$_ .= " -- NO NEWLINE\n" unless /\n/' +4da45be +7134973 +--------------------- diff --git a/Documentation/pull-fetch-param.txt b/Documentation/pull-fetch-param.txt index b6eb7fc618..00a8d21047 100644 --- a/Documentation/pull-fetch-param.txt +++ b/Documentation/pull-fetch-param.txt @@ -1,6 +1,8 @@ <repository>:: The "remote" repository that is the source of a fetch - or pull operation. See the section <<URLS,GIT URLS>> below. + or pull operation. This parameter can be either a URL + (see the section <<URLS,GIT URLS>> below) or the name + of a remote (see the section <<REMOTES,REMOTES>> below). <refspec>:: The canonical format of a <refspec> parameter is @@ -30,7 +32,7 @@ must know this is the expected usage pattern for a branch. [NOTE] You never do your own development on branches that appear on the right hand side of a <refspec> colon on `Pull:` lines; -they are to be updated by `git-fetch`. If you intend to do +they are to be updated by 'git-fetch'. If you intend to do development derived from a remote branch `B`, have a `Pull:` line to track it (i.e. `Pull: B:remote-B`), and have a separate branch `my-B` to do your development on top of it. The latter @@ -42,13 +44,13 @@ on the remote branch, merge it into your development branch with + [NOTE] There is a difference between listing multiple <refspec> -directly on `git-pull` command line and having multiple +directly on 'git-pull' command line and having multiple `Pull:` <refspec> lines for a <repository> and running -`git-pull` command without any explicit <refspec> parameters. +'git-pull' command without any explicit <refspec> parameters. <refspec> listed explicitly on the command line are always merged into the current branch after fetching. In other words, if you list more than one remote refs, you would be making -an Octopus. While `git-pull` run without any explicit <refspec> +an Octopus. While 'git-pull' run without any explicit <refspec> parameter takes default <refspec>s from `Pull:` lines, it merges only the first <refspec> found into the current branch, after fetching all the remote refs. This is because making an diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index 2648a55085..37dd1d61ea 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -13,10 +13,11 @@ include::pretty-options.txt[] Synonym for `--date=relative`. ---date={relative,local,default,iso,rfc}:: +--date={relative,local,default,iso,rfc,short}:: Only takes effect for dates shown in human-readable format, such - as when using "--pretty". + as when using "--pretty". `log.date` config variable sets a default + value for log command's --date option. + `--date=relative` shows dates relative to the current time, e.g. "2 hours ago". @@ -33,17 +34,21 @@ format, often found in E-mail messages. `--date=default` shows timestamps in the original timezone (either committer's or author's). +ifdef::git-rev-list[] --header:: Print the contents of the commit in raw-format; each record is separated with a NUL character. +endif::git-rev-list[] --parents:: Print the parents of the commit. +ifdef::git-rev-list[] --timestamp:: Print the raw commit timestamp. +endif::git-rev-list[] --left-right:: @@ -75,6 +80,16 @@ you would get an output line this: -xxxxxxx... 1st on a ----------------------------------------------------------------------- +--graph:: + + Draw a text-based graphical representation of the commit history + on the left hand side of the output. This may cause extra lines + to be printed in between commits, in order for the graph history + to be drawn properly. ++ +This implies the '--topo-order' option by default, but the +'--date-order' option may also be specified. + Diff Formatting ~~~~~~~~~~~~~~~ @@ -114,7 +129,8 @@ limiting may be applied. -- --n 'number', --max-count='number':: +-n 'number':: +--max-count='number':: Limit the number of commits output. @@ -122,21 +138,25 @@ limiting may be applied. Skip 'number' commits before starting to show the commit output. ---since='date', --after='date':: +--since='date':: +--after='date':: Show commits more recent than a specific date. ---until='date', --before='date':: +--until='date':: +--before='date':: Show commits older than a specific date. ifdef::git-rev-list[] ---max-age='timestamp', --min-age='timestamp':: +--max-age='timestamp':: +--min-age='timestamp':: Limit the commits output to specified time range. endif::git-rev-list[] ---author='pattern', --committer='pattern':: +--author='pattern':: +--committer='pattern':: Limit the commits output to ones with author/committer header lines that match the specified pattern (regular expression). @@ -146,16 +166,19 @@ endif::git-rev-list[] Limit the commits output to ones with log message that matches the specified pattern (regular expression). --i, --regexp-ignore-case:: +-i:: +--regexp-ignore-case:: Match the regexp limiting patterns without regard to letters case. --E, --extended-regexp:: +-E:: +--extended-regexp:: Consider the limiting patterns to be extended regular expressions instead of the default basic regular expressions. --F, --fixed-strings:: +-F:: +--fixed-strings:: Consider the limiting patterns to be fixed strings (don't interpret pattern as a regular expression). @@ -195,6 +218,7 @@ endif::git-rev-list[] Pretend as if all the refs in `$GIT_DIR/refs/` are listed on the command line as '<commit>'. +ifdef::git-rev-list[] --stdin:: In addition to the '<commit>' listed on the command @@ -207,6 +231,7 @@ endif::git-rev-list[] test the exit status to see if a range of objects is fully connected (or not). It is faster than redirecting stdout to /dev/null as the output does not have to be formatted. +endif::git-rev-list[] --cherry-pick:: @@ -222,7 +247,8 @@ from the other branch (for example, "3rd on b" may be cherry-picked from branch A). With this option, such pairs of commits are excluded from the output. --g, --walk-reflogs:: +-g:: +--walk-reflogs:: Instead of walking the commit ancestry chain, walk reflog entries from the most recent one to older ones. @@ -251,7 +277,8 @@ See also linkgit:git-reflog[1]. Output uninteresting commits at the boundary, which are usually not shown. ---dense, --sparse:: +--dense:: +--sparse:: When optional paths are given, the default behaviour ('--dense') is to only output commits that changes at least one of them, and also ignore diff --git a/Documentation/technical/api-builtin.txt b/Documentation/technical/api-builtin.txt index 52cdb4c520..7ede1e64e5 100644 --- a/Documentation/technical/api-builtin.txt +++ b/Documentation/technical/api-builtin.txt @@ -4,7 +4,7 @@ builtin API Adding a new built-in --------------------- -There are 4 things to do to add a bulit-in command implementation to +There are 4 things to do to add a built-in command implementation to git: . Define the implementation of the built-in command `foo` with @@ -18,8 +18,8 @@ git: defined in `git.c`. The entry should look like: { "foo", cmd_foo, <options> }, - - where options is the bitwise-or of: ++ +where options is the bitwise-or of: `RUN_SETUP`:: @@ -33,6 +33,12 @@ git: If the standard output is connected to a tty, spawn a pager and feed our output to it. +`NEED_WORK_TREE`:: + + Make sure there is a work tree, i.e. the command cannot act + on bare repositories. + This makes only sense when `RUN_SETUP` is also set. + . Add `builtin-foo.o` to `BUILTIN_OBJS` in `Makefile`. Additionally, if `foo` is a new command, there are 3 more things to do: @@ -41,8 +47,7 @@ Additionally, if `foo` is a new command, there are 3 more things to do: . Write documentation in `Documentation/git-foo.txt`. -. Add an entry for `git-foo` to the list at the end of - `Documentation/cmd-list.perl`. +. Add an entry for `git-foo` to `command-list.txt`. How a built-in is called diff --git a/Documentation/technical/api-history-graph.txt b/Documentation/technical/api-history-graph.txt new file mode 100644 index 0000000000..e9559790a3 --- /dev/null +++ b/Documentation/technical/api-history-graph.txt @@ -0,0 +1,179 @@ +history graph API +================= + +The graph API is used to draw a text-based representation of the commit +history. The API generates the graph in a line-by-line fashion. + +Functions +--------- + +Core functions: + +* `graph_init()` creates a new `struct git_graph` + +* `graph_release()` destroys a `struct git_graph`, and frees the memory + associated with it. + +* `graph_update()` moves the graph to a new commit. + +* `graph_next_line()` outputs the next line of the graph into a strbuf. It + does not add a terminating newline. + +* `graph_padding_line()` outputs a line of vertical padding in the graph. It + is similar to `graph_next_line()`, but is guaranteed to never print the line + containing the current commit. Where `graph_next_line()` would print the + commit line next, `graph_padding_line()` prints a line that simply extends + all branch lines downwards one row, leaving their positions unchanged. + +* `graph_is_commit_finished()` determines if the graph has output all lines + necessary for the current commit. If `graph_update()` is called before all + lines for the current commit have been printed, the next call to + `graph_next_line()` will output an ellipsis, to indicate that a portion of + the graph was omitted. + +The following utility functions are wrappers around `graph_next_line()` and +`graph_is_commit_finished()`. They always print the output to stdout. +They can all be called with a NULL graph argument, in which case no graph +output will be printed. + +* `graph_show_commit()` calls `graph_next_line()` until it returns non-zero. + This prints all graph lines up to, and including, the line containing this + commit. Output is printed to stdout. The last line printed does not contain + a terminating newline. This should not be called if the commit line has + already been printed, or it will loop forever. + +* `graph_show_oneline()` calls `graph_next_line()` and prints the result to + stdout. The line printed does not contain a terminating newline. + +* `graph_show_padding()` calls `graph_padding_line()` and prints the result to + stdout. The line printed does not contain a terminating newline. + +* `graph_show_remainder()` calls `graph_next_line()` until + `graph_is_commit_finished()` returns non-zero. Output is printed to stdout. + The last line printed does not contain a terminating newline. Returns 1 if + output was printed, and 0 if no output was necessary. + +* `graph_show_strbuf()` prints the specified strbuf to stdout, prefixing all + lines but the first with a graph line. The caller is responsible for + ensuring graph output for the first line has already been printed to stdout. + (This can be done with `graph_show_commit()` or `graph_show_oneline()`.) If + a NULL graph is supplied, the strbuf is printed as-is. + +* `graph_show_commit_msg()` is similar to `graph_show_strbuf()`, but it also + prints the remainder of the graph, if more lines are needed after the strbuf + ends. It is better than directly calling `graph_show_strbuf()` followed by + `graph_show_remainder()` since it properly handles buffers that do not end in + a terminating newline. The output printed by `graph_show_commit_msg()` will + end in a newline if and only if the strbuf ends in a newline. + +Data structure +-------------- +`struct git_graph` is an opaque data type used to store the current graph +state. + +Calling sequence +---------------- + +* Create a `struct git_graph` by calling `graph_init()`. When using the + revision walking API, this is done automatically by `setup_revisions()` if + the '--graph' option is supplied. + +* Use the revision walking API to walk through a group of contiguous commits. + The `get_revision()` function automatically calls `graph_update()` each time + it is invoked. + +* For each commit, call `graph_next_line()` repeatedly, until + `graph_is_commit_finished()` returns non-zero. Each call go + `graph_next_line()` will output a single line of the graph. The resulting + lines will not contain any newlines. `graph_next_line()` returns 1 if the + resulting line contains the current commit, or 0 if this is merely a line + needed to adjust the graph before or after the current commit. This return + value can be used to determine where to print the commit summary information + alongside the graph output. + +Limitations +----------- + +* `graph_update()` must be called with commits in topological order. It should + not be called on a commit if it has already been invoked with an ancestor of + that commit, or the graph output will be incorrect. + +* `graph_update()` must be called on a contiguous group of commits. If + `graph_update()` is called on a particular commit, it should later be called + on all parents of that commit. Parents must not be skipped, or the graph + output will appear incorrect. ++ +`graph_update()` may be used on a pruned set of commits only if the parent list +has been rewritten so as to include only ancestors from the pruned set. + +* The graph API does not currently support reverse commit ordering. In + order to implement reverse ordering, the graphing API needs an + (efficient) mechanism to find the children of a commit. + +Sample usage +------------ + +------------ +struct commit *commit; +struct git_graph *graph = graph_init(opts); + +while ((commit = get_revision(opts)) != NULL) { + graph_update(graph, commit); + while (!graph_is_commit_finished(graph)) + { + struct strbuf sb; + int is_commit_line; + + strbuf_init(&sb, 0); + is_commit_line = graph_next_line(graph, &sb); + fputs(sb.buf, stdout); + + if (is_commit_line) + log_tree_commit(opts, commit); + else + putchar(opts->diffopt.line_termination); + } +} + +graph_release(graph); +------------ + +Sample output +------------- + +The following is an example of the output from the graph API. This output does +not include any commit summary information--callers are responsible for +outputting that information, if desired. + +------------ +* +* +M +|\ +* | +| | * +| \ \ +| \ \ +M-. \ \ +|\ \ \ \ +| | * | | +| | | | | * +| | | | | * +| | | | | M +| | | | | |\ +| | | | | | * +| * | | | | | +| | | | | M \ +| | | | | |\ | +| | | | * | | | +| | | | * | | | +* | | | | | | | +| |/ / / / / / +|/| / / / / / +* | | | | | | +|/ / / / / / +* | | | | | +| | | | | * +| | | | |/ +| | | | * +------------ diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt index b7cda94f54..539863b1f9 100644 --- a/Documentation/technical/api-parse-options.txt +++ b/Documentation/technical/api-parse-options.txt @@ -1,6 +1,206 @@ parse-options API ================= -Talk about <parse-options.h> +The parse-options API is used to parse and massage options in git +and to provide a usage help with consistent look. -(Pierre) +Basics +------ + +The argument vector `argv[]` may usually contain mandatory or optional +'non-option arguments', e.g. a filename or a branch, and 'options'. +Options are optional arguments that start with a dash and +that allow to change the behavior of a command. + +* There are basically three types of options: + 'boolean' options, + options with (mandatory) 'arguments' and + options with 'optional arguments' + (i.e. a boolean option that can be adjusted). + +* There are basically two forms of options: + 'Short options' consist of one dash (`-`) and one alphanumeric + character. + 'Long options' begin with two dashes (`\--`) and some + alphanumeric characters. + +* Options are case-sensitive. + Please define 'lower-case long options' only. + +The parse-options API allows: + +* 'sticked' and 'separate form' of options with arguments. + `-oArg` is sticked, `-o Arg` is separate form. + `\--option=Arg` is sticked, `\--option Arg` is separate form. + +* Long options may be 'abbreviated', as long as the abbreviation + is unambiguous. + +* Short options may be bundled, e.g. `-a -b` can be specified as `-ab`. + +* Boolean long options can be 'negated' (or 'unset') by prepending + `no-`, e.g. `\--no-abbrev` instead of `\--abbrev`. + +* Options and non-option arguments can clearly be separated using the `\--` + option, e.g. `-a -b \--option \-- \--this-is-a-file` indicates that + `\--this-is-a-file` must not be processed as an option. + +Steps to parse options +---------------------- + +. `#include "parse-options.h"` + +. define a NULL-terminated + `static const char * const builtin_foo_usage[]` array + containing alternative usage strings + +. define `builtin_foo_options` array as described below + in section 'Data Structure'. + +. in `cmd_foo(int argc, const char **argv, const char *prefix)` + call + + argc = parse_options(argc, argv, builtin_foo_options, builtin_foo_usage, flags); ++ +`parse_options()` will filter out the processed options of `argv[]` and leave the +non-option arguments in `argv[]`. +`argc` is updated appropriately because of the assignment. ++ +Flags are the bitwise-or of: + +`PARSE_OPT_KEEP_DASHDASH`:: + Keep the `\--` that usually separates options from + non-option arguments. + +`PARSE_OPT_STOP_AT_NON_OPTION`:: + Usually the whole argument vector is massaged and reordered. + Using this flag, processing is stopped at the first non-option + argument. + +Data Structure +-------------- + +The main data structure is an array of the `option` struct, +say `static struct option builtin_add_options[]`. +There are some macros to easily define options: + +`OPT__ABBREV(&int_var)`:: + Add `\--abbrev[=<n>]`. + +`OPT__DRY_RUN(&int_var)`:: + Add `-n, \--dry-run`. + +`OPT__QUIET(&int_var)`:: + Add `-q, \--quiet`. + +`OPT__VERBOSE(&int_var)`:: + Add `-v, \--verbose`. + +`OPT_GROUP(description)`:: + Start an option group. `description` is a short string that + describes the group or an empty string. + Start the description with an upper-case letter. + +`OPT_BOOLEAN(short, long, &int_var, description)`:: + Introduce a boolean option. + `int_var` is incremented on each use. + +`OPT_BIT(short, long, &int_var, description, mask)`:: + Introduce a boolean option. + If used, `int_var` is bitwise-ored with `mask`. + +`OPT_SET_INT(short, long, &int_var, description, integer)`:: + Introduce a boolean option. + If used, set `int_var` to `integer`. + +`OPT_SET_PTR(short, long, &ptr_var, description, ptr)`:: + Introduce a boolean option. + If used, set `ptr_var` to `ptr`. + +`OPT_STRING(short, long, &str_var, arg_str, description)`:: + Introduce an option with string argument. + The string argument is put into `str_var`. + +`OPT_INTEGER(short, long, &int_var, description)`:: + Introduce an option with integer argument. + The integer is put into `int_var`. + +`OPT_DATE(short, long, &int_var, description)`:: + Introduce an option with date argument, see `approxidate()`. + The timestamp is put into `int_var`. + +`OPT_CALLBACK(short, long, &var, arg_str, description, func_ptr)`:: + Introduce an option with argument. + The argument will be fed into the function given by `func_ptr` + and the result will be put into `var`. + See 'Option Callbacks' below for a more elaborate description. + +`OPT_ARGUMENT(long, description)`:: + Introduce a long-option argument that will be kept in `argv[]`. + + +The last element of the array must be `OPT_END()`. + +If not stated otherwise, interpret the arguments as follows: + +* `short` is a character for the short option + (e.g. `\'e\'` for `-e`, use `0` to omit), + +* `long` is a string for the long option + (e.g. `"example"` for `\--example`, use `NULL` to omit), + +* `int_var` is an integer variable, + +* `str_var` is a string variable (`char *`), + +* `arg_str` is the string that is shown as argument + (e.g. `"branch"` will result in `<branch>`). + If set to `NULL`, three dots (`...`) will be displayed. + +* `description` is a short string to describe the effect of the option. + It shall begin with a lower-case letter and a full stop (`.`) shall be + omitted at the end. + +Option Callbacks +---------------- + +The function must be defined in this form: + + int func(const struct option *opt, const char *arg, int unset) + +The callback mechanism is as follows: + +* Inside `funct`, the only interesting member of the structure + given by `opt` is the void pointer `opt->value`. + `\*opt->value` will be the value that is saved into `var`, if you + use `OPT_CALLBACK()`. + For example, do `*(unsigned long *)opt->value = 42;` to get 42 + into an `unsigned long` variable. + +* Return value `0` indicates success and non-zero return + value will invoke `usage_with_options()` and, thus, die. + +* If the user negates the option, `arg` is `NULL` and `unset` is 1. + +Sophisticated option parsing +---------------------------- + +If you need, for example, option callbacks with optional arguments +or without arguments at all, or if you need other special cases, +that are not handled by the macros above, you need to specify the +members of the `option` structure manually. + +This is not covered in this document, but well documented +in `parse-options.h` itself. + +Examples +-------- + +See `test-parse-options.c` and +`builtin-add.c`, +`builtin-clone.c`, +`builtin-commit.c`, +`builtin-fetch.c`, +`builtin-fsck.c`, +`builtin-rm.c` +for real-world examples. diff --git a/Documentation/technical/api-path-list.txt b/Documentation/technical/api-path-list.txt index d077683171..9dbedd0a67 100644 --- a/Documentation/technical/api-path-list.txt +++ b/Documentation/technical/api-path-list.txt @@ -1,9 +1,126 @@ path-list API ============= -Talk about <path-list.h>, things like +The path_list API offers a data structure and functions to handle sorted +and unsorted string lists. -* it is not just paths but strings in general; -* the calling sequence. +The name is a bit misleading, a path_list may store not only paths but +strings in general. -(Dscho) +The caller: + +. Allocates and clears a `struct path_list` variable. + +. Initializes the members. You might want to set the flag `strdup_paths` + if the strings should be strdup()ed. For example, this is necessary + when you add something like git_path("..."), since that function returns + a static buffer that will change with the next call to git_path(). ++ +If you need something advanced, you can manually malloc() the `items` +member (you need this if you add things later) and you should set the +`nr` and `alloc` members in that case, too. + +. Adds new items to the list, using `path_list_append` or `path_list_insert`. + +. Can check if a string is in the list using `path_list_has_path` or + `unsorted_path_list_has_path` and get it from the list using + `path_list_lookup` for sorted lists. + +. Can sort an unsorted list using `sort_path_list`. + +. Finally it should free the list using `path_list_clear`. + +Example: + +---- +struct path_list list; +int i; + +memset(&list, 0, sizeof(struct path_list)); +path_list_append("foo", &list); +path_list_append("bar", &list); +for (i = 0; i < list.nr; i++) + printf("%s\n", list.items[i].path) +---- + +NOTE: It is more efficient to build an unsorted list and sort it +afterwards, instead of building a sorted list (`O(n log n)` instead of +`O(n^2)`). ++ +However, if you use the list to check if a certain string was added +already, you should not do that (using unsorted_path_list_has_path()), +because the complexity would be quadratic again (but with a worse factor). + +Functions +--------- + +* General ones (works with sorted and unsorted lists as well) + +`print_path_list`:: + + Dump a path_list to stdout, useful mainly for debugging purposes. It + can take an optional header argument and it writes out the + string-pointer pairs of the path_list, each one in its own line. + +`path_list_clear`:: + + Free a path_list. The `path` pointer of the items will be freed in case + the `strdup_paths` member of the path_list is set. The second parameter + controls if the `util` pointer of the items should be freed or not. + +* Functions for sorted lists only + +`path_list_has_path`:: + + Determine if the path_list has a given string or not. + +`path_list_insert`:: + + Insert a new element to the path_list. The returned pointer can be handy + if you want to write something to the `util` pointer of the + path_list_item containing the just added string. ++ +Since this function uses xrealloc() (which die()s if it fails) if the +list needs to grow, it is safe not to check the pointer. I.e. you may +write `path_list_insert(...)->util = ...;`. + +`path_list_lookup`:: + + Look up a given string in the path_list, returning the containing + path_list_item. If the string is not found, NULL is returned. + +* Functions for unsorted lists only + +`path_list_append`:: + + Append a new string to the end of the path_list. + +`sort_path_list`:: + + Make an unsorted list sorted. + +`unsorted_path_list_has_path`:: + + It's like `path_list_has_path()` but for unsorted lists. ++ +This function needs to look through all items, as opposed to its +counterpart for sorted lists, which performs a binary search. + +Data structures +--------------- + +* `struct path_list_item` + +Represents an item of the list. The `path` member is a pointer to the +string, and you may use the `util` member for any purpose, if you want. + +* `struct path_list` + +Represents the list itself. + +. The array of items are available via the `items` member. +. The `nr` member contains the number of items stored in the list. +. The `alloc` member is used to avoid reallocating at every insertion. + You should not tamper with it. +. Setting the `strdup_paths` member to 1 will strdup() the strings + before adding them, see above. diff --git a/Documentation/technical/api-revision-walking.txt b/Documentation/technical/api-revision-walking.txt index 01a24551af..996da0503a 100644 --- a/Documentation/technical/api-revision-walking.txt +++ b/Documentation/technical/api-revision-walking.txt @@ -1,9 +1,67 @@ revision walking API ==================== +The revision walking API offers functions to build a list of revisions +and then iterate over that list. + +Calling sequence +---------------- + +The walking API has a given calling sequence: first you need to +initialize a rev_info structure, then add revisions to control what kind +of revision list do you want to get, finally you can iterate over the +revision list. + +Functions +--------- + +`init_revisions`:: + + Initialize a rev_info structure with default values. The second + parameter may be NULL or can be prefix path, and then the `.prefix` + variable will be set to it. This is typically the first function you + want to call when you want to deal with a revision list. After calling + this function, you are free to customize options, like set + `.ignore_merges` to 0 if you don't want to ignore merges, and so on. See + `revision.h` for a complete list of available options. + +`add_pending_object`:: + + This function can be used if you want to add commit objects as revision + information. You can use the `UNINTERESTING` object flag to indicate if + you want to include or exclude the given commit (and commits reachable + from the given commit) from the revision list. ++ +NOTE: If you have the commits as a string list then you probably want to +use setup_revisions(), instead of parsing each string and using this +function. + +`setup_revisions`:: + + Parse revision information, filling in the `rev_info` structure, and + removing the used arguments from the argument list. Returns the number + of arguments left that weren't recognized, which are also moved to the + head of the argument list. The last parameter is used in case no + parameter given by the first two arguments. + +`prepare_revision_walk`:: + + Prepares the rev_info structure for a walk. You should check if it + returns any error (non-zero return code) and if it does not, you can + start using get_revision() to do the iteration. + +`get_revision`:: + + Takes a pointer to a `rev_info` structure and iterates over it, + returning a `struct commit *` each time you call it. The end of the + revision list is indicated by returning a NULL pointer. + +Data structures +--------------- + Talk about <revision.h>, things like: * two diff_options, one for path limiting, another for output; -* calling sequence: init_revisions(), setup_revsions(), get_revision(); +* remaining functions; (Linus, JC, Dscho) diff --git a/Documentation/technical/api-run-command.txt b/Documentation/technical/api-run-command.txt index c364a22c8f..3e1342acf4 100644 --- a/Documentation/technical/api-run-command.txt +++ b/Documentation/technical/api-run-command.txt @@ -63,7 +63,7 @@ command to run in a sub-process. The caller: -1. allocates and clears (memset(&chld, '0', sizeof(chld));) a +1. allocates and clears (memset(&chld, 0, sizeof(chld));) a struct child_process variable; 2. initializes the members; 3. calls start_command(); @@ -136,7 +136,7 @@ to produce output that the caller reads. The caller: -1. allocates and clears (memset(&asy, '0', sizeof(asy));) a +1. allocates and clears (memset(&asy, 0, sizeof(asy));) a struct async variable; 2. initializes .proc and .data; 3. calls start_async(); diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt index a52e4f36d5..a9668e5f2d 100644 --- a/Documentation/technical/api-strbuf.txt +++ b/Documentation/technical/api-strbuf.txt @@ -1,6 +1,241 @@ strbuf API ========== -Talk about <strbuf.h> +strbuf's are meant to be used with all the usual C string and memory +APIs. Given that the length of the buffer is known, it's often better to +use the mem* functions than a str* one (memchr vs. strchr e.g.). +Though, one has to be careful about the fact that str* functions often +stop on NULs and that strbufs may have embedded NULs. -(Pierre, JC) +An strbuf is NUL terminated for convenience, but no function in the +strbuf API actually relies on the string being free of NULs. + +strbufs has some invariants that are very important to keep in mind: + +. The `buf` member is never NULL, so you it can be used in any usual C +string operations safely. strbuf's _have_ to be initialized either by +`strbuf_init()` or by `= STRBUF_INIT` before the invariants, though. ++ +Do *not* assume anything on what `buf` really is (e.g. if it is +allocated memory or not), use `strbuf_detach()` to unwrap a memory +buffer from its strbuf shell in a safe way. That is the sole supported +way. This will give you a malloced buffer that you can later `free()`. ++ +However, it it totally safe to modify anything in the string pointed by +the `buf` member, between the indices `0` and `len-1` (inclusive). + +. The `buf` member is a byte array that has at least `len + 1` bytes + allocated. The extra byte is used to store a `'\0'`, allowing the + `buf` member to be a valid C-string. Every strbuf function ensure this + invariant is preserved. ++ +NOTE: It is OK to "play" with the buffer directly if you work it this + way: ++ +---- +strbuf_grow(sb, SOME_SIZE); <1> +strbuf_setlen(sb, sb->len + SOME_OTHER_SIZE); +---- +<1> Here, the memory array starting at `sb->buf`, and of length +`strbuf_avail(sb)` is all yours, and you can be sure that +`strbuf_avail(sb)` is at least `SOME_SIZE`. ++ +NOTE: `SOME_OTHER_SIZE` must be smaller or equal to `strbuf_avail(sb)`. ++ +Doing so is safe, though if it has to be done in many places, adding the +missing API to the strbuf module is the way to go. ++ +WARNING: Do _not_ assume that the area that is yours is of size `alloc +- 1` even if it's true in the current implementation. Alloc is somehow a +"private" member that should not be messed with. Use `strbuf_avail()` +instead. + +Data structures +--------------- + +* `struct strbuf` + +This is string buffer structure. The `len` member can be used to +determine the current length of the string, and `buf` member provides access to +the string itself. + +Functions +--------- + +* Life cycle + +`strbuf_init`:: + + Initialize the structure. The second parameter can be zero or a bigger + number to allocate memory, in case you want to prevent further reallocs. + +`strbuf_release`:: + + Release a string buffer and the memory it used. You should not use the + string buffer after using this function, unless you initialize it again. + +`strbuf_detach`:: + + Detach the string from the strbuf and returns it; you now own the + storage the string occupies and it is your responsibility from then on + to release it with `free(3)` when you are done with it. + +`strbuf_attach`:: + + Attach a string to a buffer. You should specify the string to attach, + the current length of the string and the amount of allocated memory. + The amount must be larger than the string length, because the string you + pass is supposed to be a NUL-terminated string. This string _must_ be + malloc()ed, and after attaching, the pointer cannot be relied upon + anymore, and neither be free()d directly. + +`strbuf_swap`:: + + Swap the contents of two string buffers. + +* Related to the size of the buffer + +`strbuf_avail`:: + + Determine the amount of allocated but unused memory. + +`strbuf_grow`:: + + Ensure that at least this amount of unused memory is available after + `len`. This is used when you know a typical size for what you will add + and want to avoid repetitive automatic resizing of the underlying buffer. + This is never a needed operation, but can be critical for performance in + some cases. + +`strbuf_setlen`:: + + Set the length of the buffer to a given value. This function does *not* + allocate new memory, so you should not perform a `strbuf_setlen()` to a + length that is larger than `len + strbuf_avail()`. `strbuf_setlen()` is + just meant as a 'please fix invariants from this strbuf I just messed + with'. + +`strbuf_reset`:: + + Empty the buffer by setting the size of it to zero. + +* Related to the contents of the buffer + +`strbuf_rtrim`:: + + Strip whitespace from the end of a string. + +`strbuf_cmp`:: + + Compare two buffers. Returns an integer less than, equal to, or greater + than zero if the first buffer is found, respectively, to be less than, + to match, or be greater than the second buffer. + +* Adding data to the buffer + +NOTE: All of these functions in this section will grow the buffer as + necessary. + +`strbuf_addch`:: + + Add a single character to the buffer. + +`strbuf_insert`:: + + Insert data to the given position of the buffer. The remaining contents + will be shifted, not overwritten. + +`strbuf_remove`:: + + Remove given amount of data from a given position of the buffer. + +`strbuf_splice`:: + + Remove the bytes between `pos..pos+len` and replace it with the given + data. + +`strbuf_add`:: + + Add data of given length to the buffer. + +`strbuf_addstr`:: + +Add a NUL-terminated string to the buffer. ++ +NOTE: This function will *always* be implemented as an inline or a macro +that expands to: ++ +---- +strbuf_add(..., s, strlen(s)); +---- ++ +Meaning that this is efficient to write things like: ++ +---- +strbuf_addstr(sb, "immediate string"); +---- + +`strbuf_addbuf`:: + + Copy the contents of an other buffer at the end of the current one. + +`strbuf_adddup`:: + + Copy part of the buffer from a given position till a given length to the + end of the buffer. + +`strbuf_expand`:: + + This function can be used to expand a format string containing + placeholders. To that end, it parses the string and calls the specified + function for every percent sign found. ++ +The callback function is given a pointer to the character after the `%` +and a pointer to the struct strbuf. It is expected to add the expanded +version of the placeholder to the strbuf, e.g. to add a newline +character if the letter `n` appears after a `%`. The function returns +the length of the placeholder recognized and `strbuf_expand()` skips +over it. ++ +All other characters (non-percent and not skipped ones) are copied +verbatim to the strbuf. If the callback returned zero, meaning that the +placeholder is unknown, then the percent sign is copied, too. ++ +In order to facilitate caching and to make it possible to give +parameters to the callback, `strbuf_expand()` passes a context pointer, +which can be used by the programmer of the callback as she sees fit. + +`strbuf_addf`:: + + Add a formatted string to the buffer. + +`strbuf_fread`:: + + Read a given size of data from a FILE* pointer to the buffer. ++ +NOTE: The buffer is rewinded if the read fails. If -1 is returned, +`errno` must be consulted, like you would do for `read(3)`. +`strbuf_read()`, `strbuf_read_file()` and `strbuf_getline()` has the +same behaviour as well. + +`strbuf_read`:: + + Read the contents of a given file descriptor. The third argument can be + used to give a hint about the file size, to avoid reallocs. + +`strbuf_read_file`:: + + Read the contents of a file, specified by its path. The third argument + can be used to give a hint about the file size, to avoid reallocs. + +`strbuf_getline`:: + + Read a line from a FILE* pointer. The second argument specifies the line + terminator character, typically `'\n'`. + +`stripspace`:: + + Strip whitespace from a buffer. The second parameter controls if + comments are considered contents to be removed or not. + +`launch_editor`:: diff --git a/Documentation/urls-remotes.txt b/Documentation/urls-remotes.txt index 5dd1f836c6..504ae8a53b 100644 --- a/Documentation/urls-remotes.txt +++ b/Documentation/urls-remotes.txt @@ -1,55 +1,82 @@ include::urls.txt[] -REMOTES -------- +REMOTES[[REMOTES]] +------------------ -In addition to the above, as a short-hand, the name of a -file in `$GIT_DIR/remotes` directory can be given; the -named file should be in the following format: +The name of one of the following can be used instead +of a URL as `<repository>` argument: ------------- - URL: one of the above URL format - Push: <refspec> - Pull: <refspec> +* a remote in the git configuration file: `$GIT_DIR/config`, +* a file in the `$GIT_DIR/remotes` directory, or +* a file in the `$GIT_DIR/branches` directory. ------------- +All of these also allow you to omit the refspec from the command line +because they each contain a refspec which git will use by default. -Then such a short-hand is specified in place of -<repository> without <refspec> parameters on the command -line, <refspec> specified on `Push:` lines or `Pull:` -lines are used for `git-push` and `git-fetch`/`git-pull`, -respectively. Multiple `Push:` and `Pull:` lines may -be specified for additional branch mappings. +Named remote in configuration file +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Or, equivalently, in the `$GIT_DIR/config` (note the use -of `fetch` instead of `Pull:`): +You can choose to provide the name of a remote which you had previously +configured using linkgit:git-remote[1], linkgit:git-config[1] +or even by a manual edit to the `$GIT_DIR/config` file. The URL of +this remote will be used to access the repository. The refspec +of this remote will be used by default when you do +not provide a refspec on the command line. The entry in the +config file would appear like this: ------------ - [remote "<remote>"] + [remote "<name>"] url = <url> push = <refspec> fetch = <refspec> - ------------ -The name of a file in `$GIT_DIR/branches` directory can be -specified as an older notation short-hand; the named -file should contain a single line, a URL in one of the -above formats, optionally followed by a hash `#` and the -name of remote head (URL fragment notation). -`$GIT_DIR/branches/<remote>` file that stores a <url> -without the fragment is equivalent to have this in the -corresponding file in the `$GIT_DIR/remotes/` directory. + +Named file in `$GIT_DIR/remotes` +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +You can choose to provide the name of a +file in `$GIT_DIR/remotes`. The URL +in this file will be used to access the repository. The refspec +in this file will be used as default when you do not +provide a refspec on the command line. This file should have the +following format: + +------------ + URL: one of the above URL format + Push: <refspec> + Pull: <refspec> ------------ - URL: <url> - Pull: refs/heads/master:<remote> +`Push:` lines are used by 'git-push' and +`Pull:` lines are used by 'git-pull' and 'git-fetch'. +Multiple `Push:` and `Pull:` lines may +be specified for additional branch mappings. + +Named file in `$GIT_DIR/branches` +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +You can choose to provide the name of a +file in `$GIT_DIR/branches`. +The URL in this file will be used to access the repository. +This file should have the following format: + + +------------ + <url>#<head> ------------ -while having `<url>#<head>` is equivalent to +`<url>` is required; `#<head>` is optional. +When you do not provide a refspec on the command line, +git will use the following refspec, where `<head>` defaults to `master`, +and `<repository>` is the name of this file +you provided in the command line. ------------ - URL: <url> - Pull: refs/heads/<head>:<remote> + refs/heads/<head>:<repository> ------------ + + + + diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index e2db850150..01c1af6b6a 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -18,7 +18,7 @@ People needing to do actual development will also want to read Further chapters cover more specialized topics. Comprehensive reference documentation is available through the man -pages. For a command such as "git clone", just use +pages. For a command such as "git clone <repo>", just use ------------------------------------------------ $ man git-clone @@ -178,7 +178,7 @@ As you can see, a commit shows who made the latest change, what they did, and why. Every commit has a 40-hexdigit id, sometimes called the "object name" or the -"SHA1 id", shown on the first line of the "git show" output. You can usually +"SHA1 id", shown on the first line of the "git-show" output. You can usually refer to a commit by a shorter name, such as a tag or a branch name, but this longer name can also be useful. Most importantly, it is a globally unique name for this commit: so if you tell somebody else the object name (for @@ -390,7 +390,7 @@ references with the same shorthand name, see the "SPECIFYING REVISIONS" section of linkgit:git-rev-parse[1]. [[Updating-a-repository-with-git-fetch]] -Updating a repository with git fetch +Updating a repository with git-fetch ------------------------------------ Eventually the developer cloned from will do additional work in her @@ -417,7 +417,7 @@ $ git fetch linux-nfs ------------------------------------------------- New remote-tracking branches will be stored under the shorthand name -that you gave "git remote add", in this case linux-nfs: +that you gave "git-remote add", in this case linux-nfs: ------------------------------------------------- $ git branch -r @@ -1048,7 +1048,7 @@ $ git diff shows the difference between the working tree and the index file. -Note that "git add" always adds just the current contents of a file +Note that "git-add" always adds just the current contents of a file to the index; further changes to the same file will be ignored unless you run git-add on the file again. @@ -1111,7 +1111,7 @@ Ignoring files A project will often generate files that you do 'not' want to track with git. This typically includes files generated by a build process or temporary backup files made by your editor. Of course, 'not' tracking files with git -is just a matter of 'not' calling "`git add`" on them. But it quickly becomes +is just a matter of 'not' calling "`git-add`" on them. But it quickly becomes annoying to have these untracked files lying around; e.g. they make "`git add .`" and "`git commit -a`" practically useless, and they keep showing up in the output of "`git status`". @@ -1254,16 +1254,15 @@ these three "file stages" represents a different version of the file: ------------------------------------------------- $ git show :1:file.txt # the file in a common ancestor of both branches -$ git show :2:file.txt # the version from HEAD, but including any - # nonconflicting changes from MERGE_HEAD -$ git show :3:file.txt # the version from MERGE_HEAD, but including any - # nonconflicting changes from HEAD. +$ git show :2:file.txt # the version from HEAD. +$ git show :3:file.txt # the version from MERGE_HEAD. ------------------------------------------------- -Since the stage 2 and stage 3 versions have already been updated with -nonconflicting changes, the only remaining differences between them are -the important ones; thus linkgit:git-diff[1] can use the information in -the index to show only those conflicts. +When you ask linkgit:git-diff[1] to show the conflicts, it runs a +three-way diff between the conflicted merge results in the work tree with +stages 2 and 3 to show only hunks whose contents come from both sides, +mixed (in other words, when a hunk's merge results come only from stage 2, +that part is not conflicting and is not shown. Same for stage 3). The diff above shows the differences between the working-tree version of file.txt and the stage 2 and stage 3 versions. So instead of preceding @@ -1304,7 +1303,7 @@ $ git diff -3 file.txt # diff against stage 3 $ git diff --theirs file.txt # same as the above. ------------------------------------------------- -The linkgit:git-log[1] and gitk[1] commands also provide special help +The linkgit:git-log[1] and linkgit:gitk[1] commands also provide special help for merges: ------------------------------------------------- @@ -1450,7 +1449,7 @@ Checking out an old version of a file In the process of undoing a previous bad change, you may find it useful to check out an older version of a particular file using -linkgit:git-checkout[1]. We've used git checkout before to switch +linkgit:git-checkout[1]. We've used git-checkout before to switch branches, but it has quite different behavior if it is given a path name: the command @@ -1652,7 +1651,7 @@ Sharing development with others =============================== [[getting-updates-with-git-pull]] -Getting updates with git pull +Getting updates with git-pull ----------------------------- After you clone a repository and make a few changes of your own, you @@ -1771,7 +1770,7 @@ Public git repositories Another way to submit changes to a project is to tell the maintainer of that project to pull the changes from your repository using linkgit:git-pull[1]. In the section "<<getting-updates-with-git-pull, -Getting updates with git pull>>" we described this as a way to get +Getting updates with git-pull>>" we described this as a way to get updates from the "main" repository, but it works just as well in the other direction. @@ -1880,8 +1879,7 @@ $ chmod a+x hooks/post-update ------------------------------------------------- (For an explanation of the last two lines, see -linkgit:git-update-server-info[1], and the documentation -linkgit:githooks[5][Hooks used by git].) +linkgit:git-update-server-info[1] and linkgit:githooks[5].) Advertise the URL of proj.git. Anybody else should then be able to clone or pull from that URL, for example with a command line like: @@ -1965,10 +1963,10 @@ error: failed to push to 'ssh://yourserver.com/~you/proj.git' This can happen, for example, if you: - - use `git reset --hard` to remove already-published commits, or - - use `git commit --amend` to replace already-published commits + - use `git-reset --hard` to remove already-published commits, or + - use `git-commit --amend` to replace already-published commits (as in <<fixing-a-mistake-by-rewriting-history>>), or - - use `git rebase` to rebase any already-published commits (as + - use `git-rebase` to rebase any already-published commits (as in <<using-git-rebase>>). You may force git-push to perform the update anyway by preceding the @@ -1993,7 +1991,7 @@ the right to push to the same repository. In that case, the correct solution is to retry the push after first updating your work by either a pull or a fetch followed by a rebase; see the <<setting-up-a-shared-repository,next section>> and -link:cvs-migration.html[git for CVS users] for more. +linkgit:gitcvs-migration[7] for more. [[setting-up-a-shared-repository]] Setting up a shared repository @@ -2002,7 +2000,7 @@ Setting up a shared repository Another way to collaborate is by using a model similar to that commonly used in CVS, where several developers with special rights all push to and pull from a single shared repository. See -link:cvs-migration.html[git for CVS users] for instructions on how to +linkgit:gitcvs-migration[7] for instructions on how to set this up. However, while there is nothing wrong with git's support for shared @@ -2172,7 +2170,7 @@ they are for, or what status they are in. To get a reminder of what changes are in a specific branch, use: ------------------------------------------------- -$ git log linux..branchname | git-shortlog +$ git log linux..branchname | git shortlog ------------------------------------------------- To see whether it has already been merged into the test or release branches, @@ -2445,8 +2443,8 @@ patches to the new mywork. The result will look like: ................................................ In the process, it may discover conflicts. In that case it will stop -and allow you to fix the conflicts; after fixing conflicts, use "git -add" to update the index with those contents, and then, instead of +and allow you to fix the conflicts; after fixing conflicts, use "git-add" +to update the index with those contents, and then, instead of running git-commit, just run ------------------------------------------------- @@ -2702,8 +2700,8 @@ master branch. In more detail: git fetch and fast-forwards --------------------------- -In the previous example, when updating an existing branch, "git -fetch" checks to make sure that the most recent commit on the remote +In the previous example, when updating an existing branch, "git-fetch" +checks to make sure that the most recent commit on the remote branch is a descendant of the most recent commit on your copy of the branch before updating your copy of the branch to point at the new commit. Git calls this process a <<fast-forwards,fast forward>>. @@ -2728,7 +2726,7 @@ resulting in a situation like: o--o--o <-- new head of the branch ................................................ -In this case, "git fetch" will fail, and print out a warning. +In this case, "git-fetch" will fail, and print out a warning. In that case, you can still force git to update to the new head, as described in the following section. However, note that in the @@ -2737,7 +2735,7 @@ unless you've already created a reference of your own pointing to them. [[forcing-fetch]] -Forcing git fetch to do non-fast-forward updates +Forcing git-fetch to do non-fast-forward updates ------------------------------------------------ If git fetch fails because the new head of a branch is not a @@ -2812,7 +2810,7 @@ You can also add a "+" to force the update each time: $ git config remote.example.fetch +master:ref/remotes/example/master ------------------------------------------------- -Don't do this unless you're sure you won't mind "git fetch" possibly +Don't do this unless you're sure you won't mind "git-fetch" possibly throwing away commits on mybranch. Also note that all of the above configuration can be performed by @@ -3108,7 +3106,7 @@ $ git prune to remove any of the "loose" objects that are now contained in the pack. This will also remove any unreferenced objects (which may be -created when, for example, you use "git reset" to remove a commit). +created when, for example, you use "git-reset" to remove a commit). You can verify that the loose objects are gone by looking at the .git/objects directory or by running @@ -3137,7 +3135,7 @@ branch still exists, as does everything it pointed to. The branch pointer itself just doesn't, since you replaced it with another one. There are also other situations that cause dangling objects. For -example, a "dangling blob" may arise because you did a "git add" of a +example, a "dangling blob" may arise because you did a "git-add" of a file, but then, before you actually committed it and made it part of the bigger picture, you changed something else in that file and committed that *updated* thing--the old state that you added originally ends up @@ -3187,7 +3185,7 @@ Usually, dangling blobs and trees aren't very interesting. They're almost always the result of either being a half-way mergebase (the blob will often even have the conflict markers from a merge in it, if you have had conflicting merges that you fixed up by hand), or simply -because you interrupted a "git fetch" with ^C or something like that, +because you interrupted a "git-fetch" with ^C or something like that, leaving _some_ of the new objects in the object database, but just dangling and useless. @@ -3236,7 +3234,7 @@ it is with linkgit:git-fsck[1]; this may be time-consuming. Assume the output looks like this: ------------------------------------------------ -$ git-fsck --full +$ git fsck --full broken link from tree 2d9263c6d23595e7cb2a21e5ebbb53655278dff8 to blob 4b9458b3786228369c63936db65827de3cc06200 missing blob 4b9458b3786228369c63936db65827de3cc06200 @@ -3466,14 +3464,14 @@ done NOTE: Do not use local URLs here if you plan to publish your superproject! -See what files `git submodule` created: +See what files `git-submodule` created: ------------------------------------------------- $ ls -a . .. .git .gitmodules a b c d ------------------------------------------------- -The `git submodule add` command does a couple of things: +The `git-submodule add` command does a couple of things: - It clones the submodule under the current directory and by default checks out the master branch. @@ -3519,7 +3517,7 @@ init` to add the submodule repository URLs to `.git/config`: $ git submodule init ------------------------------------------------- -Now use `git submodule update` to clone the repositories and check out the +Now use `git-submodule update` to clone the repositories and check out the commits specified in the superproject: ------------------------------------------------- @@ -3529,8 +3527,8 @@ $ ls -a . .. .git a.txt ------------------------------------------------- -One major difference between `git submodule update` and `git submodule add` is -that `git submodule update` checks out a specific commit, rather than the tip +One major difference between `git-submodule update` and `git-submodule add` is +that `git-submodule update` checks out a specific commit, rather than the tip of a branch. It's like checking out a tag: the head is detached, so you're not working on a branch. @@ -3696,7 +3694,7 @@ removed. The only thing `--remove` means is that update-index will be considering a removed file to be a valid thing, and if the file really does not exist any more, it will update the index accordingly. -As a special case, you can also do `git-update-index --refresh`, which +As a special case, you can also do `git update-index --refresh`, which will refresh the "stat" information of each index to match the current stat information. It will 'not' update the object status itself, and it will only update the fields that are used to quickly test whether @@ -3731,7 +3729,7 @@ unsaved state that you might want to restore later!) your current index. Normal operation is just ------------------------------------------------- -$ git-read-tree <sha1 of tree> +$ git read-tree <sha1 of tree> ------------------------------------------------- and your index file will now be equivalent to the tree that you saved @@ -3754,7 +3752,7 @@ index file with read-tree, and then you need to check out the result with ------------------------------------------------- -$ git-checkout-index filename +$ git checkout-index filename ------------------------------------------------- or, if you want to check out all of the index, use `-a`. @@ -3772,7 +3770,7 @@ from one representation to the other: Tying it all together ~~~~~~~~~~~~~~~~~~~~~ -To commit a tree you have instantiated with "git-write-tree", you'd +To commit a tree you have instantiated with "git write-tree", you'd create a "commit" object that refers to that tree and the history behind it--most notably the "parent" commits that preceded it in history. @@ -3791,7 +3789,7 @@ You create a commit object by giving it the tree that describes the state at the time of the commit, and a list of parents: ------------------------------------------------- -$ git-commit-tree <tree> -p <parent> [-p <parent2> ..] +$ git commit-tree <tree> -p <parent> [-p <parent2> ..] ------------------------------------------------- and then giving the reason for the commit on stdin (either through @@ -3854,14 +3852,14 @@ linkgit:git-cat-file[1] to examine details about the object: ------------------------------------------------- -$ git-cat-file -t <objectname> +$ git cat-file -t <objectname> ------------------------------------------------- shows the type of the object, and once you have the type (which is usually implicit in where you find the object), you can use ------------------------------------------------- -$ git-cat-file blob|tree|commit|tag <objectname> +$ git cat-file blob|tree|commit|tag <objectname> ------------------------------------------------- to show its contents. NOTE! Trees have binary content, and as a result @@ -3875,7 +3873,7 @@ follow the convention of having the top commit name in `.git/HEAD`, you can do ------------------------------------------------- -$ git-cat-file commit HEAD +$ git cat-file commit HEAD ------------------------------------------------- to see what the top commit was. @@ -3899,7 +3897,7 @@ To get the "base" for the merge, you first look up the common parent of two commits with ------------------------------------------------- -$ git-merge-base <commit1> <commit2> +$ git merge-base <commit1> <commit2> ------------------------------------------------- which will return you the commit they are both based on. You should @@ -3907,7 +3905,7 @@ now look up the "tree" objects of those commits, which you can easily do with (for example) ------------------------------------------------- -$ git-cat-file commit <commitname> | head -1 +$ git cat-file commit <commitname> | head -1 ------------------------------------------------- since the tree object information is always the first line in a commit @@ -3924,12 +3922,12 @@ you have in your current index anyway). To do the merge, do ------------------------------------------------- -$ git-read-tree -m -u <origtree> <yourtree> <targettree> +$ git read-tree -m -u <origtree> <yourtree> <targettree> ------------------------------------------------- which will do all trivial merge operations for you directly in the index file, and you can just write the result out with -`git-write-tree`. +`git write-tree`. [[merging-multiple-trees-2]] @@ -3943,18 +3941,18 @@ entries" in it. Such an index tree can 'NOT' be written out to a tree object, and you will have to resolve any such merge clashes using other tools before you can write out the result. -You can examine such index state with `git-ls-files --unmerged` +You can examine such index state with `git ls-files --unmerged` command. An example: ------------------------------------------------ -$ git-read-tree -m $orig HEAD $target -$ git-ls-files --unmerged +$ git read-tree -m $orig HEAD $target +$ git ls-files --unmerged 100644 263414f423d0e4d70dae8fe53fa34614ff3e2860 1 hello.c 100644 06fa6a24256dc7e560efa5687fa84b51f0263c3a 2 hello.c 100644 cc44c73eb783565da5831b4d820c962954019b69 3 hello.c ------------------------------------------------ -Each line of the `git-ls-files --unmerged` output begins with +Each line of the `git ls-files --unmerged` output begins with the blob mode bits, blob SHA1, 'stage number', and the filename. The 'stage number' is git's way to say which tree it came from: stage 1 corresponds to `$orig` tree, stage 2 `HEAD` @@ -3972,9 +3970,9 @@ program, e.g. `diff3`, `merge`, or git's own merge-file, on the blob objects from these three stages yourself, like this: ------------------------------------------------ -$ git-cat-file blob 263414f... >hello.c~1 -$ git-cat-file blob 06fa6a2... >hello.c~2 -$ git-cat-file blob cc44c73... >hello.c~3 +$ git cat-file blob 263414f... >hello.c~1 +$ git cat-file blob 06fa6a2... >hello.c~2 +$ git cat-file blob cc44c73... >hello.c~3 $ git merge-file hello.c~2 hello.c~1 hello.c~3 ------------------------------------------------ @@ -3985,7 +3983,7 @@ merge result for this file is by: ------------------------------------------------- $ mv -f hello.c~2 hello.c -$ git-update-index hello.c +$ git update-index hello.c ------------------------------------------------- When a path is in unmerged state, running `git-update-index` for @@ -3998,10 +3996,10 @@ for this. There is `git-merge-index` program that extracts the stages to temporary files and calls a "merge" script on it: ------------------------------------------------- -$ git-merge-index git-merge-one-file hello.c +$ git merge-index git-merge-one-file hello.c ------------------------------------------------- -and that is what higher level `git merge -s resolve` is implemented with. +and that is what higher level `git-merge -s resolve` is implemented with. [[hacking-git]] Hacking git @@ -4097,7 +4095,7 @@ functions like `get_sha1_basic()` or the likes. This is just to get you into the groove for the most libified part of Git: the revision walker. -Basically, the initial version of `git log` was a shell script: +Basically, the initial version of `git-log` was a shell script: ---------------------------------------------------------------- $ git-rev-list --pretty $(git-rev-parse --default HEAD "$@") | \ @@ -4129,10 +4127,10 @@ commits one by one with the function `get_revision()`. If you are interested in more details of the revision walking process, just have a look at the first implementation of `cmd_log()`; call -`git-show v1.3.0{tilde}155^2{tilde}4` and scroll down to that function (note that you +`git show v1.3.0{tilde}155^2{tilde}4` and scroll down to that function (note that you no longer need to call `setup_pager()` directly). -Nowadays, `git log` is a builtin, which means that it is _contained_ in the +Nowadays, `git-log` is a builtin, which means that it is _contained_ in the command `git`. The source side of a builtin is - a function called `cmd_<bla>`, typically defined in `builtin-<bla>.c`, @@ -4148,7 +4146,7 @@ since they share quite a bit of code. In that case, the commands which are _not_ named like the `.c` file in which they live have to be listed in `BUILT_INS` in the `Makefile`. -`git log` looks more complicated in C than it does in the original script, +`git-log` looks more complicated in C than it does in the original script, but that allows for a much greater flexibility and performance. Here again it is a good point to take a pause. @@ -4159,9 +4157,9 @@ the organization of Git (after you know the basic concepts). So, think about something which you are interested in, say, "how can I access a blob just knowing the object name of it?". The first step is to find a Git command with which you can do it. In this example, it is either -`git show` or `git cat-file`. +`git-show` or `git-cat-file`. -For the sake of clarity, let's stay with `git cat-file`, because it +For the sake of clarity, let's stay with `git-cat-file`, because it - is plumbing, and @@ -4220,10 +4218,10 @@ To find out how the result can be used, just read on in `cmd_cat_file()`: ----------------------------------- Sometimes, you do not know where to look for a feature. In many such cases, -it helps to search through the output of `git log`, and then `git show` the +it helps to search through the output of `git log`, and then `git-show` the corresponding commit. -Example: If you know that there was some test case for `git bundle`, but +Example: If you know that there was some test case for `git-bundle`, but do not remember where it was (yes, you _could_ `git grep bundle t/`, but that does not illustrate the point!): @@ -4252,7 +4250,10 @@ You see, Git is actually the best tool to find out about the source of Git itself! [[glossary]] -include::glossary.txt[] +GIT Glossary +============ + +include::glossary-content.txt[] [[git-quick-start]] Appendix A: Git Quick Reference diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN index 3cabc92e7a..cb7cd4b538 100755 --- a/GIT-VERSION-GEN +++ b/GIT-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v1.5.5.GIT +DEF_VER=v1.5.6.GIT LF=' ' @@ -16,7 +16,7 @@ elif test -d .git -o -f .git && case "$VN" in *$LF*) (exit 1) ;; v[0-9]*) - test -z "$(git diff-index --name-only HEAD)" || + test -z "$(git diff-index --name-only HEAD --)" || VN="$VN-dirty" ;; esac then @@ -27,20 +27,14 @@ Issues of note: - git normally installs a helper script wrapper called "git", which conflicts with a similarly named "GNU interactive tools" program. - Tough. Either don't use the wrapper script, or delete the old GNU - interactive tools. None of the core git stuff needs the wrapper, - it's just a convenient shorthand and while it is documented in some - places, you can always replace "git commit" with "git-commit" - instead. - - But let's face it, most of us don't have GNU interactive tools, and - even if we had it, we wouldn't know what it does. I don't think it - has been actively developed since 1997, and people have moved over to + Let's face it, most of us don't have GNU interactive tools, and even + if we had it, we wouldn't know what it does. I don't think it has + been actively developed since 1997, and people have moved over to graphical file managers. - NOTE: As of gnuit-4.9.2, the GNU interactive tools package has been - renamed. You can compile gnuit with the --disable-transition - option and then it will not conflict with git. + In addition, as of gnuit-4.9.2, the GNU interactive tools package has + been renamed. You can compile gnuit with the --disable-transition + option and then it will not conflict with git. - You can use git after building but without installing if you wanted to. Various git commands need to find other git @@ -67,10 +61,10 @@ Issues of note: that come with git (git includes the one from Mozilla, and has its own PowerPC and ARM optimized ones too - see the Makefile). - - "libcurl" and "curl" executable. git-http-fetch and - git-fetch use them. If you do not use http - transfer, you are probably OK if you do not have - them. + - libcurl library; git-http-fetch and git-fetch use them. You + might also want the "curl" executable for debugging purposes. + If you do not use http transfer, you are probably OK if you + do not have them. - expat library; git-http-push uses it for remote lock management over DAV. Similar to "curl" above, this is optional. @@ -83,9 +77,6 @@ Issues of note: - "perl" and POSIX-compliant shells are needed to use most of the barebone Porcelainish scripts. - - "cpio" is used by git-clone when doing a local (possibly - hardlinked) clone. - - Some platform specific issues are dealt with Makefile rules, but depending on your specific installation, you may not have all the libraries/tools needed, or you may have @@ -13,7 +13,7 @@ all:: # Define NO_OPENSSL environment variable if you do not have OpenSSL. # This also implies MOZILLA_SHA1. # -# Define NO_CURL if you do not have curl installed. git-http-pull and +# Define NO_CURL if you do not have libcurl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. # @@ -174,7 +174,7 @@ prefix = $(HOME) bindir = $(prefix)/bin mandir = $(prefix)/share/man infodir = $(prefix)/share/info -gitexecdir = $(bindir) +gitexecdir = $(prefix)/libexec/git-core sharedir = $(prefix)/share template_dir = $(sharedir)/git-core/templates htmldir=$(sharedir)/doc/git-doc @@ -205,7 +205,7 @@ GITWEB_FAVICON = git-favicon.png GITWEB_SITE_HEADER = GITWEB_SITE_FOOTER = -export prefix bindir gitexecdir sharedir template_dir htmldir sysconfdir +export prefix bindir gitexecdir sharedir htmldir sysconfdir CC = gcc AR = ar @@ -235,14 +235,12 @@ BASIC_LDFLAGS = SCRIPT_SH += git-am.sh SCRIPT_SH += git-bisect.sh -SCRIPT_SH += git-clone.sh SCRIPT_SH += git-filter-branch.sh SCRIPT_SH += git-lost-found.sh SCRIPT_SH += git-merge-octopus.sh SCRIPT_SH += git-merge-one-file.sh SCRIPT_SH += git-merge-resolve.sh SCRIPT_SH += git-merge.sh -SCRIPT_SH += git-merge-stupid.sh SCRIPT_SH += git-mergetool.sh SCRIPT_SH += git-parse-remote.sh SCRIPT_SH += git-pull.sh @@ -274,11 +272,9 @@ EXTRA_PROGRAMS = # ... and all the rest that could be moved out of bindir to gitexecdir PROGRAMS += $(EXTRA_PROGRAMS) -PROGRAMS += git-daemon$X PROGRAMS += git-fast-import$X PROGRAMS += git-fetch-pack$X PROGRAMS += git-hash-object$X -PROGRAMS += git-imap-send$X PROGRAMS += git-index-pack$X PROGRAMS += git-merge-index$X PROGRAMS += git-merge-tree$X @@ -338,6 +334,7 @@ LIB_H += builtin.h LIB_H += cache.h LIB_H += cache-tree.h LIB_H += commit.h +LIB_H += compat/mingw.h LIB_H += csum-file.h LIB_H += decorate.h LIB_H += delta.h @@ -346,6 +343,7 @@ LIB_H += diff.h LIB_H += dir.h LIB_H += fsck.h LIB_H += git-compat-util.h +LIB_H += graph.h LIB_H += grep.h LIB_H += hash.h LIB_H += list-objects.h @@ -354,6 +352,7 @@ LIB_H += log-tree.h LIB_H += mailmap.h LIB_H += object.h LIB_H += pack.h +LIB_H += pack-refs.h LIB_H += pack-revindex.h LIB_H += parse-options.h LIB_H += patch-ids.h @@ -375,7 +374,9 @@ LIB_H += tree.h LIB_H += tree-walk.h LIB_H += unpack-trees.h LIB_H += utf8.h +LIB_H += wt-status.h +LIB_OBJS += abspath.o LIB_OBJS += alias.o LIB_OBJS += alloc.o LIB_OBJS += archive.o @@ -404,6 +405,7 @@ LIB_OBJS += diffcore-order.o LIB_OBJS += diffcore-pickaxe.o LIB_OBJS += diffcore-rename.o LIB_OBJS += diff-delta.o +LIB_OBJS += diff-no-index.o LIB_OBJS += diff-lib.o LIB_OBJS += diff.o LIB_OBJS += dir.o @@ -411,6 +413,7 @@ LIB_OBJS += entry.o LIB_OBJS += environment.o LIB_OBJS += exec_cmd.o LIB_OBJS += fsck.o +LIB_OBJS += graph.o LIB_OBJS += grep.o LIB_OBJS += hash.o LIB_OBJS += help.o @@ -426,6 +429,7 @@ LIB_OBJS += merge-file.o LIB_OBJS += name-hash.o LIB_OBJS += object.o LIB_OBJS += pack-check.o +LIB_OBJS += pack-refs.o LIB_OBJS += pack-revindex.o LIB_OBJS += pack-write.o LIB_OBJS += pager.o @@ -464,6 +468,7 @@ LIB_OBJS += unpack-trees.o LIB_OBJS += usage.o LIB_OBJS += utf8.o LIB_OBJS += walker.o +LIB_OBJS += wrapper.o LIB_OBJS += write_or_die.o LIB_OBJS += ws.o LIB_OBJS += wt-status.o @@ -482,6 +487,7 @@ BUILTIN_OBJS += builtin-check-ref-format.o BUILTIN_OBJS += builtin-checkout-index.o BUILTIN_OBJS += builtin-checkout.o BUILTIN_OBJS += builtin-clean.o +BUILTIN_OBJS += builtin-clone.o BUILTIN_OBJS += builtin-commit-tree.o BUILTIN_OBJS += builtin-commit.o BUILTIN_OBJS += builtin-config.o @@ -560,6 +566,45 @@ endif ifeq ($(uname_S),GNU/kFreeBSD) NO_STRLCPY = YesPlease endif +ifeq ($(uname_S),UnixWare) + CC = cc + NEEDS_SOCKET = YesPlease + NEEDS_NSL = YesPlease + NEEDS_SSL_WITH_CRYPTO = YesPlease + NEEDS_LIBICONV = YesPlease + SHELL_PATH = /usr/local/bin/bash + NO_IPV6 = YesPlease + NO_HSTRERROR = YesPlease + BASIC_CFLAGS += -Kthread + BASIC_CFLAGS += -I/usr/local/include + BASIC_LDFLAGS += -L/usr/local/lib + INSTALL = ginstall + TAR = gtar + NO_STRCASESTR = YesPlease + NO_MEMMEM = YesPlease +endif +ifeq ($(uname_S),SCO_SV) + ifeq ($(uname_R),3.2) + CFLAGS = -O2 + endif + ifeq ($(uname_R),5) + CC = cc + BASIC_CFLAGS += -Kthread + endif + NEEDS_SOCKET = YesPlease + NEEDS_NSL = YesPlease + NEEDS_SSL_WITH_CRYPTO = YesPlease + NEEDS_LIBICONV = YesPlease + SHELL_PATH = /usr/bin/bash + NO_IPV6 = YesPlease + NO_HSTRERROR = YesPlease + BASIC_CFLAGS += -I/usr/local/include + BASIC_LDFLAGS += -L/usr/local/lib + NO_STRCASESTR = YesPlease + NO_MEMMEM = YesPlease + INSTALL = ginstall + TAR = gtar +endif ifeq ($(uname_S),Darwin) NEEDS_SSL_WITH_CRYPTO = YesPlease NEEDS_LIBICONV = YesPlease @@ -670,6 +715,36 @@ ifeq ($(uname_S),HP-UX) NO_HSTRERROR = YesPlease NO_SYS_SELECT_H = YesPlease endif +ifneq (,$(findstring MINGW,$(uname_S))) + NO_MMAP = YesPlease + NO_PREAD = YesPlease + NO_OPENSSL = YesPlease + NO_CURL = YesPlease + NO_SYMLINK_HEAD = YesPlease + NO_IPV6 = YesPlease + NO_SETENV = YesPlease + NO_UNSETENV = YesPlease + NO_STRCASESTR = YesPlease + NO_STRLCPY = YesPlease + NO_MEMMEM = YesPlease + NEEDS_LIBICONV = YesPlease + OLD_ICONV = YesPlease + NO_C99_FORMAT = YesPlease + NO_STRTOUMAX = YesPlease + NO_MKDTEMP = YesPlease + SNPRINTF_RETURNS_BOGUS = YesPlease + NO_SVN_TESTS = YesPlease + NO_PERL_MAKEMAKER = YesPlease + NO_POSIX_ONLY_PROGRAMS = YesPlease + COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat + COMPAT_CFLAGS += -DSNPRINTF_SIZE_CORR=1 + COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\" + COMPAT_OBJS += compat/mingw.o compat/fnmatch.o compat/regex.o + EXTLIBS += -lws2_32 + X = .exe + template_dir = ../share/git-core/templates/ + ETC_GITCONFIG = ../etc/gitconfig +endif ifneq (,$(findstring arm,$(uname_M))) ARM_SHA1 = YesPlease endif @@ -730,6 +805,10 @@ ifdef ZLIB_PATH endif EXTLIBS += -lz +ifndef NO_POSIX_ONLY_PROGRAMS + PROGRAMS += git-daemon$X + PROGRAMS += git-imap-send$X +endif ifndef NO_OPENSSL OPENSSL_LIBSSL = -lssl ifdef OPENSSLDIR @@ -1221,11 +1300,18 @@ remove-dashes: ### Installation rules +ifeq ($(firstword $(subst /, ,$(template_dir))),..) +template_instdir = $(gitexecdir)/$(template_dir) +else +template_instdir = $(template_dir) +endif +export template_instdir + install: all $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(gitexecdir_SQ)' $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexecdir_SQ)' - $(INSTALL) git$X '$(DESTDIR_SQ)$(bindir_SQ)' + $(INSTALL) git$X git-upload-pack$X git-receive-pack$X git-upload-archive$X '$(DESTDIR_SQ)$(bindir_SQ)' $(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install $(MAKE) -C perl prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' install ifndef NO_TCLTK @@ -1243,10 +1329,14 @@ endif ifneq (,$X) $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), $(RM) '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p';) endif + ./check_bindir 'z$(bindir_SQ)' 'z$(gitexecdir_SQ)' '$(DESTDIR_SQ)$(bindir_SQ)/git-shell$X' install-doc: $(MAKE) -C Documentation install +install-html: + $(MAKE) -C Documentation install-html + install-info: $(MAKE) -C Documentation install-info @@ -1338,7 +1428,7 @@ check-docs:: do \ case "$$v" in \ git-merge-octopus | git-merge-ours | git-merge-recursive | \ - git-merge-resolve | git-merge-stupid | git-merge-subtree | \ + git-merge-resolve | git-merge-subtree | \ git-fsck-objects | git-init-db | \ git-?*--?* ) continue ;; \ esac ; \ @@ -1369,6 +1459,14 @@ check-docs:: documented,gitmodules | \ documented,gitcli | \ documented,git-tools | \ + documented,gitcore-tutorial | \ + documented,gitcvs-migration | \ + documented,gitdiffcore | \ + documented,gitglossary | \ + documented,githooks | \ + documented,gitrepository-layout | \ + documented,gittutorial | \ + documented,gittutorial-2 | \ sentinel,not,matching,is,ok ) continue ;; \ esac; \ case " $(ALL_PROGRAMS) $(BUILT_INS) git gitk " in \ @@ -1 +1 @@ -Documentation/RelNotes-1.5.6.txt
\ No newline at end of file +Documentation/RelNotes-1.6.0.txt
\ No newline at end of file diff --git a/abspath.c b/abspath.c new file mode 100644 index 0000000000..4f95a954d5 --- /dev/null +++ b/abspath.c @@ -0,0 +1,68 @@ +#include "cache.h" + +/* We allow "recursive" symbolic links. Only within reason, though. */ +#define MAXDEPTH 5 + +const char *make_absolute_path(const char *path) +{ + static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1]; + char cwd[1024] = ""; + int buf_index = 1, len; + + int depth = MAXDEPTH; + char *last_elem = NULL; + struct stat st; + + if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) + die ("Too long path: %.*s", 60, path); + + while (depth--) { + if (stat(buf, &st) || !S_ISDIR(st.st_mode)) { + char *last_slash = strrchr(buf, '/'); + if (last_slash) { + *last_slash = '\0'; + last_elem = xstrdup(last_slash + 1); + } else { + last_elem = xstrdup(buf); + *buf = '\0'; + } + } + + if (*buf) { + if (!*cwd && !getcwd(cwd, sizeof(cwd))) + die ("Could not get current working directory"); + + if (chdir(buf)) + die ("Could not switch to '%s'", buf); + } + if (!getcwd(buf, PATH_MAX)) + die ("Could not get current working directory"); + + if (last_elem) { + int len = strlen(buf); + if (len + strlen(last_elem) + 2 > PATH_MAX) + die ("Too long path name: '%s/%s'", + buf, last_elem); + buf[len] = '/'; + strcpy(buf + len + 1, last_elem); + free(last_elem); + last_elem = NULL; + } + + if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) { + len = readlink(buf, next_buf, PATH_MAX); + if (len < 0) + die ("Invalid symlink: %s", buf); + next_buf[len] = '\0'; + buf = next_buf; + buf_index = 1 - buf_index; + next_buf = bufs[buf_index]; + } else + break; + } + + if (*cwd && chdir(cwd)) + die ("Could not change back to '%s'", cwd); + + return buf; +} @@ -2,7 +2,8 @@ static const char *alias_key; static char *alias_val; -static int alias_lookup_cb(const char *k, const char *v) + +static int alias_lookup_cb(const char *k, const char *v, void *cb) { if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) { if (!v) @@ -17,6 +18,6 @@ char *alias_lookup(const char *alias) { alias_key = alias; alias_val = NULL; - git_config(alias_lookup_cb); + git_config(alias_lookup_cb, NULL); return alias_val; } diff --git a/archive-tar.c b/archive-tar.c index 4add80284e..99db58f1cf 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -220,7 +220,7 @@ static void write_global_extended_header(const unsigned char *sha1) strbuf_release(&ext_header); } -static int git_tar_config(const char *var, const char *value) +static int git_tar_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "tar.umask")) { if (value && !strcmp(value, "user")) { @@ -231,7 +231,7 @@ static int git_tar_config(const char *var, const char *value) } return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int write_tar_entry(const unsigned char *sha1, @@ -247,6 +247,8 @@ static int write_tar_entry(const unsigned char *sha1, strbuf_grow(&path, PATH_MAX); strbuf_add(&path, base, baselen); strbuf_addstr(&path, filename); + if (is_archive_path_ignored(path.buf + base_len)) + return 0; if (S_ISDIR(mode) || S_ISGITLINK(mode)) { strbuf_addch(&path, '/'); buffer = NULL; @@ -268,7 +270,7 @@ int write_tar_archive(struct archiver_args *args) { int plen = args->base ? strlen(args->base) : 0; - git_config(git_tar_config); + git_config(git_tar_config, NULL); archive_time = args->time; verbose = args->verbose; diff --git a/archive-zip.c b/archive-zip.c index 18c0f8710c..5742762ac3 100644 --- a/archive-zip.c +++ b/archive-zip.c @@ -176,6 +176,8 @@ static int write_zip_entry(const unsigned char *sha1, crc = crc32(0, NULL, 0); path = construct_path(base, baselen, filename, S_ISDIR(mode), &pathlen); + if (is_archive_path_ignored(path + base_len)) + return 0; if (verbose) fprintf(stderr, "%s\n", path); if (pathlen > 0xffff) { @@ -82,3 +82,16 @@ void *sha1_file_to_archive(const char *path, const unsigned char *sha1, return buffer; } +int is_archive_path_ignored(const char *path) +{ + static struct git_attr *attr_export_ignore; + struct git_attr_check check[1]; + + if (!attr_export_ignore) + attr_export_ignore = git_attr("export-ignore", 13); + + check[0].attr = attr_export_ignore; + if (git_checkattr(path, ARRAY_SIZE(check), check)) + return 0; + return ATTR_TRUE(check[0].value); +} @@ -44,5 +44,6 @@ extern int write_zip_archive(struct archiver_args *); extern void *parse_extra_zip_args(int argc, const char **argv); extern void *sha1_file_to_archive(const char *path, const unsigned char *sha1, unsigned int mode, enum object_type *type, unsigned long *size, const struct commit *commit); +extern int is_archive_path_ignored(const char *path); #endif /* ARCHIVE_H */ @@ -438,11 +438,13 @@ static void bootstrap_attr_stack(void) elem->prev = attr_stack; attr_stack = elem; - elem = read_attr(GITATTRIBUTES_FILE, 1); - elem->origin = strdup(""); - elem->prev = attr_stack; - attr_stack = elem; - debug_push(elem); + if (!is_bare_repository()) { + elem = read_attr(GITATTRIBUTES_FILE, 1); + elem->origin = strdup(""); + elem->prev = attr_stack; + attr_stack = elem; + debug_push(elem); + } elem = read_attr_from_file(git_path(INFOATTRIBUTES_FILE), 1); if (!elem) @@ -501,22 +503,24 @@ static void prepare_attr_stack(const char *path, int dirlen) /* * Read from parent directories and push them down */ - while (1) { - char *cp; - - len = strlen(attr_stack->origin); - if (dirlen <= len) - break; - memcpy(pathbuf, path, dirlen); - memcpy(pathbuf + dirlen, "/", 2); - cp = strchr(pathbuf + len + 1, '/'); - strcpy(cp + 1, GITATTRIBUTES_FILE); - elem = read_attr(pathbuf, 0); - *cp = '\0'; - elem->origin = strdup(pathbuf); - elem->prev = attr_stack; - attr_stack = elem; - debug_push(elem); + if (!is_bare_repository()) { + while (1) { + char *cp; + + len = strlen(attr_stack->origin); + if (dirlen <= len) + break; + memcpy(pathbuf, path, dirlen); + memcpy(pathbuf + dirlen, "/", 2); + cp = strchr(pathbuf + len + 1, '/'); + strcpy(cp + 1, GITATTRIBUTES_FILE); + elem = read_attr(pathbuf, 0); + *cp = '\0'; + elem->origin = strdup(pathbuf); + elem->prev = attr_stack; + attr_stack = elem; + debug_push(elem); + } } /* diff --git a/builtin-add.c b/builtin-add.c index 4a91e3eb11..9930cf53f5 100644 --- a/builtin-add.c +++ b/builtin-add.c @@ -79,12 +79,18 @@ static void fill_directory(struct dir_struct *dir, const char **pathspec, prune_directory(dir, pathspec, baselen); } +struct update_callback_data +{ + int flags; + int add_errors; +}; + static void update_callback(struct diff_queue_struct *q, struct diff_options *opt, void *cbdata) { - int i, verbose; + int i; + struct update_callback_data *data = cbdata; - verbose = *((int *)cbdata); for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; const char *path = p->one->path; @@ -94,27 +100,36 @@ static void update_callback(struct diff_queue_struct *q, case DIFF_STATUS_UNMERGED: case DIFF_STATUS_MODIFIED: case DIFF_STATUS_TYPE_CHANGED: - add_file_to_cache(path, verbose); + if (add_file_to_cache(path, data->flags)) { + if (!(data->flags & ADD_CACHE_IGNORE_ERRORS)) + die("updating files failed"); + data->add_errors++; + } break; case DIFF_STATUS_DELETED: - remove_file_from_cache(path); - if (verbose) + if (!(data->flags & ADD_CACHE_PRETEND)) + remove_file_from_cache(path); + if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE)) printf("remove '%s'\n", path); break; } } } -void add_files_to_cache(int verbose, const char *prefix, const char **pathspec) +int add_files_to_cache(const char *prefix, const char **pathspec, int flags) { + struct update_callback_data data; struct rev_info rev; init_revisions(&rev, prefix); setup_revisions(0, NULL, &rev, NULL); rev.prune_data = pathspec; rev.diffopt.output_format = DIFF_FORMAT_CALLBACK; rev.diffopt.format_callback = update_callback; - rev.diffopt.format_callback_data = &verbose; + data.flags = flags; + data.add_errors = 0; + rev.diffopt.format_callback_data = &data; run_diff_files(&rev, DIFF_RACY_IS_MODIFIED); + return !!data.add_errors; } static void refresh(int verbose, const char **pathspec) @@ -177,6 +192,7 @@ static const char ignore_error[] = "The following paths are ignored by one of your .gitignore files:\n"; static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0; +static int ignore_add_errors; static struct option builtin_add_options[] = { OPT__DRY_RUN(&show_only), @@ -184,17 +200,29 @@ static struct option builtin_add_options[] = { OPT_GROUP(""), OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"), OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"), - OPT_BOOLEAN('f', NULL, &ignored_too, "allow adding otherwise ignored files"), - OPT_BOOLEAN('u', NULL, &take_worktree_changes, "update tracked files"), + OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"), + OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"), OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"), + OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"), OPT_END(), }; +static int add_config(const char *var, const char *value, void *cb) +{ + if (!strcasecmp(var, "add.ignore-errors")) { + ignore_add_errors = git_config_bool(var, value); + return 0; + } + return git_default_config(var, value, cb); +} + int cmd_add(int argc, const char **argv, const char *prefix) { + int exit_status = 0; int i, newfd; const char **pathspec; struct dir_struct dir; + int flags; argc = parse_options(argc, argv, builtin_add_options, builtin_add_usage, 0); @@ -203,16 +231,20 @@ int cmd_add(int argc, const char **argv, const char *prefix) if (add_interactive) exit(interactive_add(argc, argv, prefix)); - git_config(git_default_config); + git_config(add_config, NULL); newfd = hold_locked_index(&lock_file, 1); + flags = ((verbose ? ADD_CACHE_VERBOSE : 0) | + (show_only ? ADD_CACHE_PRETEND : 0) | + (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0)); + if (take_worktree_changes) { const char **pathspec; if (read_cache() < 0) die("index file corrupt"); pathspec = get_pathspec(prefix, argv); - add_files_to_cache(verbose, prefix, pathspec); + exit_status = add_files_to_cache(prefix, pathspec, flags); goto finish; } @@ -230,17 +262,6 @@ int cmd_add(int argc, const char **argv, const char *prefix) fill_directory(&dir, pathspec, ignored_too); - if (show_only) { - const char *sep = "", *eof = ""; - for (i = 0; i < dir.nr; i++) { - printf("%s%s", sep, dir.entries[i]->name); - sep = " "; - eof = "\n"; - } - fputs(eof, stdout); - return 0; - } - if (read_cache() < 0) die("index file corrupt"); @@ -254,7 +275,11 @@ int cmd_add(int argc, const char **argv, const char *prefix) } for (i = 0; i < dir.nr; i++) - add_file_to_cache(dir.entries[i]->name, verbose); + if (add_file_to_cache(dir.entries[i]->name, flags)) { + if (!ignore_add_errors) + die("adding files failed"); + exit_status = 1; + } finish: if (active_cache_changed) { @@ -263,5 +288,5 @@ int cmd_add(int argc, const char **argv, const char *prefix) die("Unable to write new index file"); } - return 0; + return exit_status; } diff --git a/builtin-apply.c b/builtin-apply.c index 1103625a4a..c0f867daed 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -12,6 +12,7 @@ #include "blob.h" #include "delta.h" #include "builtin.h" +#include "path-list.h" /* * --check turns on checking that the working tree matches the @@ -153,6 +154,7 @@ struct patch { unsigned int is_binary:1; unsigned int is_copy:1; unsigned int is_rename:1; + unsigned int recount:1; struct fragment *fragments; char *result; size_t resultsize; @@ -185,6 +187,13 @@ struct image { struct line *line; }; +/* + * Records filenames that have been touched, in order to handle + * the case where more than one patches touch the same file. + */ + +static struct path_list fn_table; + static uint32_t hash_line(const char *cp, size_t len) { size_t i; @@ -418,7 +427,7 @@ static int guess_p_value(const char *nameline) } /* - * Get the name etc info from the --/+++ lines of a traditional patch header + * Get the name etc info from the ---/+++ lines of a traditional patch header * * FIXME! The end-of-filename heuristics are kind of screwy. For existing * files, we can happily check the index for a match, but for creating a @@ -882,6 +891,56 @@ static int parse_range(const char *line, int len, int offset, const char *expect return offset + ex; } +static void recount_diff(char *line, int size, struct fragment *fragment) +{ + int oldlines = 0, newlines = 0, ret = 0; + + if (size < 1) { + warning("recount: ignore empty hunk"); + return; + } + + for (;;) { + int len = linelen(line, size); + size -= len; + line += len; + + if (size < 1) + break; + + switch (*line) { + case ' ': case '\n': + newlines++; + /* fall through */ + case '-': + oldlines++; + continue; + case '+': + newlines++; + continue; + case '\\': + continue; + case '@': + ret = size < 3 || prefixcmp(line, "@@ "); + break; + case 'd': + ret = size < 5 || prefixcmp(line, "diff "); + break; + default: + ret = -1; + break; + } + if (ret) { + warning("recount: unexpected line: %.*s", + (int)linelen(line, size), line); + return; + } + break; + } + fragment->oldlines = oldlines; + fragment->newlines = newlines; +} + /* * Parse a unified diff fragment header of the * form "@@ -a,b +c,d @@" @@ -979,8 +1038,7 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc static void check_whitespace(const char *line, int len, unsigned ws_rule) { char *err; - unsigned result = check_and_emit_line(line + 1, len - 1, ws_rule, - NULL, NULL, NULL, NULL); + unsigned result = ws_check(line + 1, len - 1, ws_rule); if (!result) return; @@ -991,7 +1049,7 @@ static void check_whitespace(const char *line, int len, unsigned ws_rule) else { err = whitespace_error_string(result); fprintf(stderr, "%s:%d: %s.\n%.*s\n", - patch_input_file, linenr, err, len - 2, line + 1); + patch_input_file, linenr, err, len - 2, line + 1); free(err); } } @@ -1013,6 +1071,8 @@ static int parse_fragment(char *line, unsigned long size, offset = parse_fragment_header(line, len, fragment); if (offset < 0) return -1; + if (offset > 0 && patch->recount) + recount_diff(line + offset, size - offset, fragment); oldlines = fragment->oldlines; newlines = fragment->newlines; leading = 0; @@ -1143,21 +1203,6 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc if (patch->is_delete < 0 && (newlines || (patch->fragments && patch->fragments->next))) patch->is_delete = 0; - if (!unidiff_zero || context) { - /* If the user says the patch is not generated with - * --unified=0, or if we have seen context lines, - * then not having oldlines means the patch is creation, - * and not having newlines means the patch is deletion. - */ - if (patch->is_new < 0 && !oldlines) { - patch->is_new = 1; - patch->old_name = NULL; - } - if (patch->is_delete < 0 && !newlines) { - patch->is_delete = 1; - patch->new_name = NULL; - } - } if (0 < patch->is_new && oldlines) die("new file %s depends on old contents", patch->new_name); @@ -2191,15 +2236,62 @@ static int read_file_or_gitlink(struct cache_entry *ce, struct strbuf *buf) return 0; } +static struct patch *in_fn_table(const char *name) +{ + struct path_list_item *item; + + if (name == NULL) + return NULL; + + item = path_list_lookup(name, &fn_table); + if (item != NULL) + return (struct patch *)item->util; + + return NULL; +} + +static void add_to_fn_table(struct patch *patch) +{ + struct path_list_item *item; + + /* + * Always add new_name unless patch is a deletion + * This should cover the cases for normal diffs, + * file creations and copies + */ + if (patch->new_name != NULL) { + item = path_list_insert(patch->new_name, &fn_table); + item->util = patch; + } + + /* + * store a failure on rename/deletion cases because + * later chunks shouldn't patch old names + */ + if ((patch->new_name == NULL) || (patch->is_rename)) { + item = path_list_insert(patch->old_name, &fn_table); + item->util = (struct patch *) -1; + } +} + static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *ce) { struct strbuf buf; struct image image; size_t len; char *img; + struct patch *tpatch; strbuf_init(&buf, 0); - if (cached) { + + if ((tpatch = in_fn_table(patch->old_name)) != NULL) { + if (tpatch == (struct patch *) -1) { + return error("patch %s has been renamed/deleted", + patch->old_name); + } + /* We have a patched copy in memory use that */ + strbuf_add(&buf, tpatch->result, tpatch->resultsize); + } else if (cached) { if (read_file_or_gitlink(ce, &buf)) return error("read of %s failed", patch->old_name); } else if (patch->old_name) { @@ -2226,6 +2318,7 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry * return -1; /* note with --reject this succeeds. */ patch->result = image.buf; patch->resultsize = image.len; + add_to_fn_table(patch); free(image.line_allocated); if (0 < patch->is_delete && patch->resultsize) @@ -2267,16 +2360,12 @@ static int verify_index_match(struct cache_entry *ce, struct stat *st) return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID); } -static int check_patch(struct patch *patch, struct patch *prev_patch) +static int check_preimage(struct patch *patch, struct cache_entry **ce, struct stat *st) { - struct stat st; const char *old_name = patch->old_name; - const char *new_name = patch->new_name; - const char *name = old_name ? old_name : new_name; - struct cache_entry *ce = NULL; - int ok_if_exists; - - patch->rejected = 1; /* we will drop this after we succeed */ + struct patch *tpatch; + int stat_ret = 0; + unsigned st_mode = 0; /* * Make sure that we do not have local modifications from the @@ -2284,60 +2373,90 @@ static int check_patch(struct patch *patch, struct patch *prev_patch) * we have the preimage file to be patched in the work tree, * unless --cached, which tells git to apply only in the index. */ - if (old_name) { - int stat_ret = 0; - unsigned st_mode = 0; - - if (!cached) - stat_ret = lstat(old_name, &st); - if (check_index) { - int pos = cache_name_pos(old_name, strlen(old_name)); - if (pos < 0) - return error("%s: does not exist in index", - old_name); - ce = active_cache[pos]; - if (stat_ret < 0) { - struct checkout costate; - if (errno != ENOENT) - return error("%s: %s", old_name, - strerror(errno)); - /* checkout */ - costate.base_dir = ""; - costate.base_dir_len = 0; - costate.force = 0; - costate.quiet = 0; - costate.not_new = 0; - costate.refresh_cache = 1; - if (checkout_entry(ce, - &costate, - NULL) || - lstat(old_name, &st)) - return -1; - } - if (!cached && verify_index_match(ce, &st)) - return error("%s: does not match index", - old_name); - if (cached) - st_mode = ce->ce_mode; - } else if (stat_ret < 0) + if (!old_name) + return 0; + + assert(patch->is_new <= 0); + if ((tpatch = in_fn_table(old_name)) != NULL) { + if (tpatch == (struct patch *) -1) { + return error("%s: has been deleted/renamed", old_name); + } + st_mode = tpatch->new_mode; + } else if (!cached) { + stat_ret = lstat(old_name, st); + if (stat_ret && errno != ENOENT) return error("%s: %s", old_name, strerror(errno)); + } + if (check_index && !tpatch) { + int pos = cache_name_pos(old_name, strlen(old_name)); + if (pos < 0) { + if (patch->is_new < 0) + goto is_new; + return error("%s: does not exist in index", old_name); + } + *ce = active_cache[pos]; + if (stat_ret < 0) { + struct checkout costate; + /* checkout */ + costate.base_dir = ""; + costate.base_dir_len = 0; + costate.force = 0; + costate.quiet = 0; + costate.not_new = 0; + costate.refresh_cache = 1; + if (checkout_entry(*ce, &costate, NULL) || + lstat(old_name, st)) + return -1; + } + if (!cached && verify_index_match(*ce, st)) + return error("%s: does not match index", old_name); + if (cached) + st_mode = (*ce)->ce_mode; + } else if (stat_ret < 0) { + if (patch->is_new < 0) + goto is_new; + return error("%s: %s", old_name, strerror(errno)); + } - if (!cached) - st_mode = ce_mode_from_stat(ce, st.st_mode); + if (!cached) + st_mode = ce_mode_from_stat(*ce, st->st_mode); - if (patch->is_new < 0) - patch->is_new = 0; - if (!patch->old_mode) - patch->old_mode = st_mode; - if ((st_mode ^ patch->old_mode) & S_IFMT) - return error("%s: wrong type", old_name); - if (st_mode != patch->old_mode) - fprintf(stderr, "warning: %s has type %o, expected %o\n", - old_name, st_mode, patch->old_mode); - } - - if (new_name && prev_patch && 0 < prev_patch->is_delete && - !strcmp(prev_patch->old_name, new_name)) + if (patch->is_new < 0) + patch->is_new = 0; + if (!patch->old_mode) + patch->old_mode = st_mode; + if ((st_mode ^ patch->old_mode) & S_IFMT) + return error("%s: wrong type", old_name); + if (st_mode != patch->old_mode) + fprintf(stderr, "warning: %s has type %o, expected %o\n", + old_name, st_mode, patch->old_mode); + return 0; + + is_new: + patch->is_new = 1; + patch->is_delete = 0; + patch->old_name = NULL; + return 0; +} + +static int check_patch(struct patch *patch) +{ + struct stat st; + const char *old_name = patch->old_name; + const char *new_name = patch->new_name; + const char *name = old_name ? old_name : new_name; + struct cache_entry *ce = NULL; + int ok_if_exists; + int status; + + patch->rejected = 1; /* we will drop this after we succeed */ + + status = check_preimage(patch, &ce, &st); + if (status) + return status; + old_name = patch->old_name; + + if (in_fn_table(new_name) == (struct patch *) -1) /* * A type-change diff is always split into a patch to * delete old, immediately followed by a patch to @@ -2387,15 +2506,14 @@ static int check_patch(struct patch *patch, struct patch *prev_patch) static int check_patch_list(struct patch *patch) { - struct patch *prev_patch = NULL; int err = 0; - for (prev_patch = NULL; patch ; patch = patch->next) { + while (patch) { if (apply_verbosely) say_patch_name(stderr, "Checking patch ", patch, "...\n"); - err |= check_patch(patch, prev_patch); - prev_patch = patch; + err |= check_patch(patch); + patch = patch->next; } return err; } @@ -2906,13 +3024,18 @@ static void prefix_patches(struct patch *p) } } -static int apply_patch(int fd, const char *filename, int inaccurate_eof) +#define INACCURATE_EOF (1<<0) +#define RECOUNT (1<<1) + +static int apply_patch(int fd, const char *filename, int options) { size_t offset; struct strbuf buf; struct patch *list = NULL, **listp = &list; int skipped_patch = 0; + /* FIXME - memory leak when using multiple patch files as inputs */ + memset(&fn_table, 0, sizeof(struct path_list)); strbuf_init(&buf, 0); patch_input_file = filename; read_patch_file(&buf, fd); @@ -2922,7 +3045,8 @@ static int apply_patch(int fd, const char *filename, int inaccurate_eof) int nr; patch = xcalloc(1, sizeof(*patch)); - patch->inaccurate_eof = inaccurate_eof; + patch->inaccurate_eof = !!(options & INACCURATE_EOF); + patch->recount = !!(options & RECOUNT); nr = parse_chunk(buf.buf + offset, buf.len - offset, patch); if (nr < 0) break; @@ -2979,11 +3103,11 @@ static int apply_patch(int fd, const char *filename, int inaccurate_eof) return 0; } -static int git_apply_config(const char *var, const char *value) +static int git_apply_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "apply.whitespace")) return git_config_string(&apply_default_whitespace, var, value); - return git_default_config(var, value); + return git_default_config(var, value, cb); } @@ -2991,7 +3115,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) { int i; int read_stdin = 1; - int inaccurate_eof = 0; + int options = 0; int errs = 0; int is_not_gitdir; @@ -2999,7 +3123,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) prefix = setup_git_directory_gently(&is_not_gitdir); prefix_length = prefix ? strlen(prefix) : 0; - git_config(git_apply_config); + git_config(git_apply_config, NULL); if (apply_default_whitespace) parse_whitespace_option(apply_default_whitespace); @@ -3009,7 +3133,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) int fd; if (!strcmp(arg, "-")) { - errs |= apply_patch(0, "<stdin>", inaccurate_eof); + errs |= apply_patch(0, "<stdin>", options); read_stdin = 0; continue; } @@ -3109,7 +3233,11 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) continue; } if (!strcmp(arg, "--inaccurate-eof")) { - inaccurate_eof = 1; + options |= INACCURATE_EOF; + continue; + } + if (!strcmp(arg, "--recount")) { + options |= RECOUNT; continue; } if (0 < prefix_length) @@ -3120,12 +3248,12 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) die("can't open patch '%s': %s", arg, strerror(errno)); read_stdin = 0; set_default_whitespace_mode(whitespace_option); - errs |= apply_patch(fd, arg, inaccurate_eof); + errs |= apply_patch(fd, arg, options); close(fd); } set_default_whitespace_mode(whitespace_option); if (read_stdin) - errs |= apply_patch(0, "<stdin>", inaccurate_eof); + errs |= apply_patch(0, "<stdin>", options); if (whitespace_error) { if (squelch_whitespace_errors && squelch_whitespace_errors < whitespace_error) { diff --git a/builtin-blame.c b/builtin-blame.c index bfd562d7d2..b451f6c64d 100644 --- a/builtin-blame.c +++ b/builtin-blame.c @@ -1993,7 +1993,7 @@ static void prepare_blame_range(struct scoreboard *sb, usage(blame_usage); } -static int git_blame_config(const char *var, const char *value) +static int git_blame_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "blame.showroot")) { show_root = git_config_bool(var, value); @@ -2003,7 +2003,7 @@ static int git_blame_config(const char *var, const char *value) blank_boundary = git_config_bool(var, value); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static struct commit *fake_working_tree_commit(const char *path, const char *contents_from) @@ -2141,7 +2141,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix) cmd_is_annotate = !strcmp(argv[0], "annotate"); - git_config(git_blame_config); + git_config(git_blame_config, NULL); save_commit_buffer = 0; opt = 0; diff --git a/builtin-branch.c b/builtin-branch.c index 19c508a608..d279702ba9 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -63,7 +63,7 @@ static int parse_branch_color_slot(const char *var, int ofs) die("bad config variable '%s'", var); } -static int git_branch_config(const char *var, const char *value) +static int git_branch_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "color.branch")) { branch_use_color = git_config_colorbool(var, value, -1); @@ -76,7 +76,7 @@ static int git_branch_config(const char *var, const char *value) color_parse(value, var, branch_colors[slot]); return 0; } - return git_color_default_config(var, value); + return git_color_default_config(var, value, cb); } static const char *branch_get_color(enum color_branch ix) @@ -461,7 +461,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_END(), }; - git_config(git_branch_config); + git_config(git_branch_config, NULL); if (branch_use_color == -1) branch_use_color = git_use_color_default; diff --git a/builtin-cat-file.c b/builtin-cat-file.c index f132d583d3..880e75af5e 100644 --- a/builtin-cat-file.c +++ b/builtin-cat-file.c @@ -8,6 +8,10 @@ #include "tag.h" #include "tree.h" #include "builtin.h" +#include "parse-options.h" + +#define BATCH 1 +#define BATCH_CHECK 2 static void pprint_tag(const unsigned char *sha1, const char *buf, unsigned long size) { @@ -76,31 +80,16 @@ static void pprint_tag(const unsigned char *sha1, const char *buf, unsigned long write_or_die(1, cp, endp - cp); } -int cmd_cat_file(int argc, const char **argv, const char *prefix) +static int cat_one_file(int opt, const char *exp_type, const char *obj_name) { unsigned char sha1[20]; enum object_type type; void *buf; unsigned long size; - int opt; - const char *exp_type, *obj_name; - - git_config(git_default_config); - if (argc != 3) - usage("git-cat-file [-t|-s|-e|-p|<type>] <sha1>"); - exp_type = argv[1]; - obj_name = argv[2]; if (get_sha1(obj_name, sha1)) die("Not a valid object name %s", obj_name); - opt = 0; - if ( exp_type[0] == '-' ) { - opt = exp_type[1]; - if ( !opt || exp_type[2] ) - opt = -1; /* Not a single character option */ - } - buf = NULL; switch (opt) { case 't': @@ -157,3 +146,113 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix) write_or_die(1, buf, size); return 0; } + +static int batch_one_object(const char *obj_name, int print_contents) +{ + unsigned char sha1[20]; + enum object_type type = 0; + unsigned long size; + void *contents = contents; + + if (!obj_name) + return 1; + + if (get_sha1(obj_name, sha1)) { + printf("%s missing\n", obj_name); + fflush(stdout); + return 0; + } + + if (print_contents == BATCH) + contents = read_sha1_file(sha1, &type, &size); + else + type = sha1_object_info(sha1, &size); + + if (type <= 0) { + printf("%s missing\n", obj_name); + fflush(stdout); + return 0; + } + + printf("%s %s %lu\n", sha1_to_hex(sha1), typename(type), size); + fflush(stdout); + + if (print_contents == BATCH) { + write_or_die(1, contents, size); + printf("\n"); + fflush(stdout); + free(contents); + } + + return 0; +} + +static int batch_objects(int print_contents) +{ + struct strbuf buf; + + strbuf_init(&buf, 0); + while (strbuf_getline(&buf, stdin, '\n') != EOF) { + int error = batch_one_object(buf.buf, print_contents); + if (error) + return error; + } + + return 0; +} + +static const char * const cat_file_usage[] = { + "git-cat-file [-t|-s|-e|-p|<type>] <sha1>", + "git-cat-file [--batch|--batch-check] < <list_of_sha1s>", + NULL +}; + +int cmd_cat_file(int argc, const char **argv, const char *prefix) +{ + int opt = 0, batch = 0; + const char *exp_type = NULL, *obj_name = NULL; + + const struct option options[] = { + OPT_GROUP("<type> can be one of: blob, tree, commit, tag"), + OPT_SET_INT('t', NULL, &opt, "show object type", 't'), + OPT_SET_INT('s', NULL, &opt, "show object size", 's'), + OPT_SET_INT('e', NULL, &opt, + "exit with zero when there's no error", 'e'), + OPT_SET_INT('p', NULL, &opt, "pretty-print object's content", 'p'), + OPT_SET_INT(0, "batch", &batch, + "show info and content of objects feeded on stdin", BATCH), + OPT_SET_INT(0, "batch-check", &batch, + "show info about objects feeded on stdin", + BATCH_CHECK), + OPT_END() + }; + + git_config(git_default_config, NULL); + + if (argc != 3 && argc != 2) + usage_with_options(cat_file_usage, options); + + argc = parse_options(argc, argv, options, cat_file_usage, 0); + + if (opt) { + if (argc == 1) + obj_name = argv[0]; + else + usage_with_options(cat_file_usage, options); + } + if (!opt && !batch) { + if (argc == 2) { + exp_type = argv[0]; + obj_name = argv[1]; + } else + usage_with_options(cat_file_usage, options); + } + if (batch && (opt || argc)) { + usage_with_options(cat_file_usage, options); + } + + if (batch) + return batch_objects(batch); + + return cat_one_file(opt, exp_type, obj_name); +} diff --git a/builtin-checkout-index.c b/builtin-checkout-index.c index 7e42024c67..eb1fc9aa6f 100644 --- a/builtin-checkout-index.c +++ b/builtin-checkout-index.c @@ -166,7 +166,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) int read_from_stdin = 0; int prefix_length; - git_config(git_default_config); + git_config(git_default_config, NULL); state.base_dir = ""; prefix_length = prefix ? strlen(prefix) : 0; diff --git a/builtin-checkout.c b/builtin-checkout.c index 10ec137cce..93ea69bfaa 100644 --- a/builtin-checkout.c +++ b/builtin-checkout.c @@ -84,6 +84,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec) unsigned char rev[20]; int flag; struct commit *head; + int errs = 0; int newfd; struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); @@ -106,13 +107,14 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec) if (report_path_error(ps_matched, pathspec, 0)) return 1; + /* Now we are committed to check them out */ memset(&state, 0, sizeof(state)); state.force = 1; state.refresh_cache = 1; for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; if (pathspec_match(pathspec, NULL, ce->name, 0)) { - checkout_entry(ce, &state, NULL); + errs |= checkout_entry(ce, &state, NULL); } } @@ -123,7 +125,8 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec) resolve_ref("HEAD", rev, 0, &flag); head = lookup_commit_reference_gently(rev, 1); - return post_checkout_hook(head, head, 0); + errs |= post_checkout_hook(head, head, 0); + return errs; } static void show_local_changes(struct object *head) @@ -148,57 +151,50 @@ static void describe_detached_head(char *msg, struct commit *commit) strbuf_release(&sb); } -static int reset_to_new(struct tree *tree, int quiet) -{ - struct unpack_trees_options opts; - struct tree_desc tree_desc; +struct checkout_opts { + int quiet; + int merge; + int force; + int writeout_error; - memset(&opts, 0, sizeof(opts)); - opts.head_idx = -1; - opts.update = 1; - opts.reset = 1; - opts.merge = 1; - opts.fn = oneway_merge; - opts.verbose_update = !quiet; - opts.src_index = &the_index; - opts.dst_index = &the_index; - parse_tree(tree); - init_tree_desc(&tree_desc, tree->buffer, tree->size); - if (unpack_trees(1, &tree_desc, &opts)) - return 128; - return 0; -} + char *new_branch; + int new_branch_log; + enum branch_track track; +}; -static void reset_clean_to_new(struct tree *tree, int quiet) +static int reset_tree(struct tree *tree, struct checkout_opts *o, int worktree) { struct unpack_trees_options opts; struct tree_desc tree_desc; memset(&opts, 0, sizeof(opts)); opts.head_idx = -1; - opts.skip_unmerged = 1; + opts.update = worktree; + opts.skip_unmerged = !worktree; opts.reset = 1; opts.merge = 1; opts.fn = oneway_merge; - opts.verbose_update = !quiet; + opts.verbose_update = !o->quiet; opts.src_index = &the_index; opts.dst_index = &the_index; parse_tree(tree); init_tree_desc(&tree_desc, tree->buffer, tree->size); - if (unpack_trees(1, &tree_desc, &opts)) - exit(128); + switch (unpack_trees(1, &tree_desc, &opts)) { + case -2: + o->writeout_error = 1; + /* + * We return 0 nevertheless, as the index is all right + * and more importantly we have made best efforts to + * update paths in the work tree, and we cannot revert + * them. + */ + case 0: + return 0; + default: + return 128; + } } -struct checkout_opts { - int quiet; - int merge; - int force; - - char *new_branch; - int new_branch_log; - enum branch_track track; -}; - struct branch_info { const char *name; /* The short name used */ const char *path; /* The full name of a real branch */ @@ -223,7 +219,7 @@ static int merge_working_tree(struct checkout_opts *opts, read_cache(); if (opts->force) { - ret = reset_to_new(new->commit->tree, opts->quiet); + ret = reset_tree(new->commit->tree, opts, 1); if (ret) return ret; } else { @@ -236,6 +232,8 @@ static int merge_working_tree(struct checkout_opts *opts, topts.src_index = &the_index; topts.dst_index = &the_index; + topts.msgs.not_uptodate_file = "You have local changes to '%s'; cannot switch branches."; + refresh_cache(REFRESH_QUIET); if (unmerged_cache()) { @@ -257,7 +255,8 @@ static int merge_working_tree(struct checkout_opts *opts, tree = parse_tree_indirect(new->commit->object.sha1); init_tree_desc(&trees[1], tree->buffer, tree->size); - if (unpack_trees(2, trees, &topts)) { + ret = unpack_trees(2, trees, &topts); + if (ret == -1) { /* * Unpack couldn't do a trivial merge; either * give up or do a real merge, depending on @@ -282,15 +281,17 @@ static int merge_working_tree(struct checkout_opts *opts, * entries in the index. */ - add_files_to_cache(0, NULL, NULL); + add_files_to_cache(NULL, NULL, 0); work = write_tree_from_memory(); - ret = reset_to_new(new->commit->tree, opts->quiet); + ret = reset_tree(new->commit->tree, opts, 1); if (ret) return ret; merge_trees(new->commit->tree, work, old->commit->tree, new->name, "local", &result); - reset_clean_to_new(new->commit->tree, opts->quiet); + ret = reset_tree(new->commit->tree, opts, 0); + if (ret) + return ret; } } @@ -490,7 +491,8 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) update_refs_for_switch(opts, &old, new); - return post_checkout_hook(old.commit, new->commit, 1); + ret = post_checkout_hook(old.commit, new->commit, 1); + return ret || opts->writeout_error; } int cmd_checkout(int argc, const char **argv, const char *prefix) @@ -514,7 +516,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) memset(&opts, 0, sizeof(opts)); memset(&new, 0, sizeof(new)); - git_config(git_default_config); + git_config(git_default_config, NULL); opts.track = git_branch_track; diff --git a/builtin-clean.c b/builtin-clean.c index 6778a03ae4..80a7ff9ae4 100644 --- a/builtin-clean.c +++ b/builtin-clean.c @@ -19,11 +19,11 @@ static const char *const builtin_clean_usage[] = { NULL }; -static int git_clean_config(const char *var, const char *value) +static int git_clean_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "clean.requireforce")) force = !git_config_bool(var, value); - return git_default_config(var, value); + return git_default_config(var, value, cb); } int cmd_clean(int argc, const char **argv, const char *prefix) @@ -50,7 +50,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix) OPT_END() }; - git_config(git_clean_config); + git_config(git_clean_config, NULL); if (force < 0) force = 0; else diff --git a/builtin-clone.c b/builtin-clone.c new file mode 100644 index 0000000000..4a0f1ab8ac --- /dev/null +++ b/builtin-clone.c @@ -0,0 +1,569 @@ +/* + * Builtin "git clone" + * + * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>, + * 2008 Daniel Barkalow <barkalow@iabervon.org> + * Based on git-commit.sh by Junio C Hamano and Linus Torvalds + * + * Clone a repository into a different directory that does not yet exist. + */ + +#include "cache.h" +#include "parse-options.h" +#include "fetch-pack.h" +#include "refs.h" +#include "tree.h" +#include "tree-walk.h" +#include "unpack-trees.h" +#include "transport.h" +#include "strbuf.h" +#include "dir.h" +#include "pack-refs.h" + +/* + * Overall FIXMEs: + * - respect DB_ENVIRONMENT for .git/objects. + * + * Implementation notes: + * - dropping use-separate-remote and no-separate-remote compatibility + * + */ +static const char * const builtin_clone_usage[] = { + "git-clone [options] [--] <repo> [<dir>]", + NULL +}; + +static int option_quiet, option_no_checkout, option_bare; +static int option_local, option_no_hardlinks, option_shared; +static char *option_template, *option_reference, *option_depth; +static char *option_origin = NULL; +static char *option_upload_pack = "git-upload-pack"; + +static struct option builtin_clone_options[] = { + OPT__QUIET(&option_quiet), + OPT_BOOLEAN('n', "no-checkout", &option_no_checkout, + "don't create a checkout"), + OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"), + OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"), + OPT_BOOLEAN('l', "local", &option_local, + "to clone from a local repository"), + OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks, + "don't use local hardlinks, always copy"), + OPT_BOOLEAN('s', "shared", &option_shared, + "setup as shared repository"), + OPT_STRING(0, "template", &option_template, "path", + "path the template repository"), + OPT_STRING(0, "reference", &option_reference, "repo", + "reference repository"), + OPT_STRING('o', "origin", &option_origin, "branch", + "use <branch> instead or 'origin' to track upstream"), + OPT_STRING('u', "upload-pack", &option_upload_pack, "path", + "path to git-upload-pack on the remote"), + OPT_STRING(0, "depth", &option_depth, "depth", + "create a shallow clone of that depth"), + + OPT_END() +}; + +static char *get_repo_path(const char *repo, int *is_bundle) +{ + static char *suffix[] = { "/.git", ".git", "" }; + static char *bundle_suffix[] = { ".bundle", "" }; + struct stat st; + int i; + + for (i = 0; i < ARRAY_SIZE(suffix); i++) { + const char *path; + path = mkpath("%s%s", repo, suffix[i]); + if (!stat(path, &st) && S_ISDIR(st.st_mode)) { + *is_bundle = 0; + return xstrdup(make_nonrelative_path(path)); + } + } + + for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { + const char *path; + path = mkpath("%s%s", repo, bundle_suffix[i]); + if (!stat(path, &st) && S_ISREG(st.st_mode)) { + *is_bundle = 1; + return xstrdup(make_nonrelative_path(path)); + } + } + + return NULL; +} + +static char *guess_dir_name(const char *repo, int is_bundle) +{ + const char *p, *start, *end, *limit; + int after_slash_or_colon; + + /* Guess dir name from repository: strip trailing '/', + * strip trailing '[:/]*.{git,bundle}', strip leading '.*[/:]'. */ + + after_slash_or_colon = 1; + limit = repo + strlen(repo); + start = repo; + end = limit; + for (p = repo; p < limit; p++) { + const char *prefix = is_bundle ? ".bundle" : ".git"; + if (!prefixcmp(p, prefix)) { + if (!after_slash_or_colon) + end = p; + p += strlen(prefix) - 1; + } else if (!prefixcmp(p, ".bundle")) { + if (!after_slash_or_colon) + end = p; + p += 7; + } else if (*p == '/' || *p == ':') { + if (end == limit) + end = p; + after_slash_or_colon = 1; + } else if (after_slash_or_colon) { + start = p; + end = limit; + after_slash_or_colon = 0; + } + } + + return xstrndup(start, end - start); +} + +static int is_directory(const char *path) +{ + struct stat buf; + + return !stat(path, &buf) && S_ISDIR(buf.st_mode); +} + +static void setup_reference(const char *repo) +{ + const char *ref_git; + char *ref_git_copy; + + struct remote *remote; + struct transport *transport; + const struct ref *extra; + + ref_git = make_absolute_path(option_reference); + + if (is_directory(mkpath("%s/.git/objects", ref_git))) + ref_git = mkpath("%s/.git", ref_git); + else if (!is_directory(mkpath("%s/objects", ref_git))) + die("reference repository '%s' is not a local directory.", + option_reference); + + ref_git_copy = xstrdup(ref_git); + + add_to_alternates_file(ref_git_copy); + + remote = remote_get(ref_git_copy); + transport = transport_get(remote, ref_git_copy); + for (extra = transport_get_remote_refs(transport); extra; + extra = extra->next) + add_extra_ref(extra->name, extra->old_sha1, 0); + + transport_disconnect(transport); + + free(ref_git_copy); +} + +static void copy_or_link_directory(char *src, char *dest) +{ + struct dirent *de; + struct stat buf; + int src_len, dest_len; + DIR *dir; + + dir = opendir(src); + if (!dir) + die("failed to open %s\n", src); + + if (mkdir(dest, 0777)) { + if (errno != EEXIST) + die("failed to create directory %s\n", dest); + else if (stat(dest, &buf)) + die("failed to stat %s\n", dest); + else if (!S_ISDIR(buf.st_mode)) + die("%s exists and is not a directory\n", dest); + } + + src_len = strlen(src); + src[src_len] = '/'; + dest_len = strlen(dest); + dest[dest_len] = '/'; + + while ((de = readdir(dir)) != NULL) { + strcpy(src + src_len + 1, de->d_name); + strcpy(dest + dest_len + 1, de->d_name); + if (stat(src, &buf)) { + warning ("failed to stat %s\n", src); + continue; + } + if (S_ISDIR(buf.st_mode)) { + if (de->d_name[0] != '.') + copy_or_link_directory(src, dest); + continue; + } + + if (unlink(dest) && errno != ENOENT) + die("failed to unlink %s\n", dest); + if (!option_no_hardlinks) { + if (!link(src, dest)) + continue; + if (option_local) + die("failed to create link %s\n", dest); + option_no_hardlinks = 1; + } + if (copy_file(dest, src, 0666)) + die("failed to copy file to %s\n", dest); + } + closedir(dir); +} + +static const struct ref *clone_local(const char *src_repo, + const char *dest_repo) +{ + const struct ref *ret; + char src[PATH_MAX]; + char dest[PATH_MAX]; + struct remote *remote; + struct transport *transport; + + if (option_shared) + add_to_alternates_file(src_repo); + else { + snprintf(src, PATH_MAX, "%s/objects", src_repo); + snprintf(dest, PATH_MAX, "%s/objects", dest_repo); + copy_or_link_directory(src, dest); + } + + remote = remote_get(src_repo); + transport = transport_get(remote, src_repo); + ret = transport_get_remote_refs(transport); + transport_disconnect(transport); + return ret; +} + +static const char *junk_work_tree; +static const char *junk_git_dir; +pid_t junk_pid; + +static void remove_junk(void) +{ + struct strbuf sb; + if (getpid() != junk_pid) + return; + strbuf_init(&sb, 0); + if (junk_git_dir) { + strbuf_addstr(&sb, junk_git_dir); + remove_dir_recursively(&sb, 0); + strbuf_reset(&sb); + } + if (junk_work_tree) { + strbuf_addstr(&sb, junk_work_tree); + remove_dir_recursively(&sb, 0); + strbuf_reset(&sb); + } +} + +static void remove_junk_on_signal(int signo) +{ + remove_junk(); + signal(SIGINT, SIG_DFL); + raise(signo); +} + +static const struct ref *locate_head(const struct ref *refs, + const struct ref *mapped_refs, + const struct ref **remote_head_p) +{ + const struct ref *remote_head = NULL; + const struct ref *remote_master = NULL; + const struct ref *r; + for (r = refs; r; r = r->next) + if (!strcmp(r->name, "HEAD")) + remote_head = r; + + for (r = mapped_refs; r; r = r->next) + if (!strcmp(r->name, "refs/heads/master")) + remote_master = r; + + if (remote_head_p) + *remote_head_p = remote_head; + + /* If there's no HEAD value at all, never mind. */ + if (!remote_head) + return NULL; + + /* If refs/heads/master could be right, it is. */ + if (remote_master && !hashcmp(remote_master->old_sha1, + remote_head->old_sha1)) + return remote_master; + + /* Look for another ref that points there */ + for (r = mapped_refs; r; r = r->next) + if (r != remote_head && + !hashcmp(r->old_sha1, remote_head->old_sha1)) + return r; + + /* Nothing is the same */ + return NULL; +} + +static struct ref *write_remote_refs(const struct ref *refs, + struct refspec *refspec, const char *reflog) +{ + struct ref *local_refs = NULL; + struct ref **tail = &local_refs; + struct ref *r; + + get_fetch_map(refs, refspec, &tail, 0); + get_fetch_map(refs, tag_refspec, &tail, 0); + + for (r = local_refs; r; r = r->next) + add_extra_ref(r->peer_ref->name, r->old_sha1, 0); + + pack_refs(PACK_REFS_ALL); + clear_extra_refs(); + + return local_refs; +} + +int cmd_clone(int argc, const char **argv, const char *prefix) +{ + int use_local_hardlinks = 1; + int use_separate_remote = 1; + int is_bundle = 0; + struct stat buf; + const char *repo_name, *repo, *work_tree, *git_dir; + char *path, *dir; + const struct ref *refs, *head_points_at, *remote_head, *mapped_refs; + char branch_top[256], key[256], value[256]; + struct strbuf reflog_msg; + + struct refspec refspec; + + junk_pid = getpid(); + + argc = parse_options(argc, argv, builtin_clone_options, + builtin_clone_usage, 0); + + if (argc == 0) + die("You must specify a repository to clone."); + + if (option_no_hardlinks) + use_local_hardlinks = 0; + + if (option_bare) { + if (option_origin) + die("--bare and --origin %s options are incompatible.", + option_origin); + option_no_checkout = 1; + use_separate_remote = 0; + } + + if (!option_origin) + option_origin = "origin"; + + repo_name = argv[0]; + + path = get_repo_path(repo_name, &is_bundle); + if (path) + repo = path; + else if (!strchr(repo_name, ':')) + repo = xstrdup(make_absolute_path(repo_name)); + else + repo = repo_name; + + if (argc == 2) + dir = xstrdup(argv[1]); + else + dir = guess_dir_name(repo_name, is_bundle); + + if (!stat(dir, &buf)) + die("destination directory '%s' already exists.", dir); + + strbuf_init(&reflog_msg, 0); + strbuf_addf(&reflog_msg, "clone: from %s", repo); + + if (option_bare) + work_tree = NULL; + else { + work_tree = getenv("GIT_WORK_TREE"); + if (work_tree && !stat(work_tree, &buf)) + die("working tree '%s' already exists.", work_tree); + } + + if (option_bare || work_tree) + git_dir = xstrdup(dir); + else { + work_tree = dir; + git_dir = xstrdup(mkpath("%s/.git", dir)); + } + + if (!option_bare) { + junk_work_tree = work_tree; + if (safe_create_leading_directories_const(work_tree) < 0) + die("could not create leading directories of '%s'", + work_tree); + if (mkdir(work_tree, 0755)) + die("could not create work tree dir '%s'.", work_tree); + set_git_work_tree(work_tree); + } + junk_git_dir = git_dir; + atexit(remove_junk); + signal(SIGINT, remove_junk_on_signal); + + setenv(CONFIG_ENVIRONMENT, xstrdup(mkpath("%s/config", git_dir)), 1); + + if (safe_create_leading_directories_const(git_dir) < 0) + die("could not create leading directories of '%s'", git_dir); + set_git_dir(make_absolute_path(git_dir)); + + init_db(option_template, option_quiet ? INIT_DB_QUIET : 0); + + /* + * At this point, the config exists, so we do not need the + * environment variable. We actually need to unset it, too, to + * re-enable parsing of the global configs. + */ + unsetenv(CONFIG_ENVIRONMENT); + + if (option_reference) + setup_reference(git_dir); + + git_config(git_default_config, NULL); + + if (option_bare) { + strcpy(branch_top, "refs/heads/"); + + git_config_set("core.bare", "true"); + } else { + snprintf(branch_top, sizeof(branch_top), + "refs/remotes/%s/", option_origin); + + /* Configure the remote */ + snprintf(key, sizeof(key), "remote.%s.url", option_origin); + git_config_set(key, repo); + + snprintf(key, sizeof(key), "remote.%s.fetch", option_origin); + snprintf(value, sizeof(value), + "+refs/heads/*:%s*", branch_top); + git_config_set_multivar(key, value, "^$", 0); + } + + refspec.force = 0; + refspec.pattern = 1; + refspec.src = "refs/heads/"; + refspec.dst = branch_top; + + if (path && !is_bundle) + refs = clone_local(path, git_dir); + else { + struct remote *remote = remote_get(argv[0]); + struct transport *transport = + transport_get(remote, remote->url[0]); + + if (!transport->get_refs_list || !transport->fetch) + die("Don't know how to clone %s", transport->url); + + transport_set_option(transport, TRANS_OPT_KEEP, "yes"); + + if (option_depth) + transport_set_option(transport, TRANS_OPT_DEPTH, + option_depth); + + if (option_quiet) + transport->verbose = -1; + + refs = transport_get_remote_refs(transport); + transport_fetch_refs(transport, refs); + } + + clear_extra_refs(); + + mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf); + + head_points_at = locate_head(refs, mapped_refs, &remote_head); + + if (head_points_at) { + /* Local default branch link */ + create_symref("HEAD", head_points_at->name, NULL); + + if (!option_bare) { + struct strbuf head_ref; + const char *head = head_points_at->name; + + if (!prefixcmp(head, "refs/heads/")) + head += 11; + + /* Set up the initial local branch */ + + /* Local branch initial value */ + update_ref(reflog_msg.buf, "HEAD", + head_points_at->old_sha1, + NULL, 0, DIE_ON_ERR); + + strbuf_init(&head_ref, 0); + strbuf_addstr(&head_ref, branch_top); + strbuf_addstr(&head_ref, "HEAD"); + + /* Remote branch link */ + create_symref(head_ref.buf, + head_points_at->peer_ref->name, + reflog_msg.buf); + + snprintf(key, sizeof(key), "branch.%s.remote", head); + git_config_set(key, option_origin); + snprintf(key, sizeof(key), "branch.%s.merge", head); + git_config_set(key, head_points_at->name); + } + } else if (remote_head) { + /* Source had detached HEAD pointing somewhere. */ + if (!option_bare) + update_ref(reflog_msg.buf, "HEAD", + remote_head->old_sha1, + NULL, REF_NODEREF, DIE_ON_ERR); + } else { + /* Nothing to checkout out */ + if (!option_no_checkout) + warning("remote HEAD refers to nonexistent ref, " + "unable to checkout.\n"); + option_no_checkout = 1; + } + + if (!option_no_checkout) { + struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); + struct unpack_trees_options opts; + struct tree *tree; + struct tree_desc t; + int fd; + + /* We need to be in the new work tree for the checkout */ + setup_work_tree(); + + fd = hold_locked_index(lock_file, 1); + + memset(&opts, 0, sizeof opts); + opts.update = 1; + opts.merge = 1; + opts.fn = oneway_merge; + opts.verbose_update = !option_quiet; + opts.src_index = &the_index; + opts.dst_index = &the_index; + + tree = parse_tree_indirect(remote_head->old_sha1); + parse_tree(tree); + init_tree_desc(&t, tree->buffer, tree->size); + unpack_trees(1, &t, &opts); + + if (write_cache(fd, active_cache, active_nr) || + commit_locked_index(lock_file)) + die("unable to write new index file"); + } + + strbuf_release(&reflog_msg); + junk_pid = 0; + return 0; +} diff --git a/builtin-commit-tree.c b/builtin-commit-tree.c index 6610d18358..3881f6c2f5 100644 --- a/builtin-commit-tree.c +++ b/builtin-commit-tree.c @@ -24,26 +24,20 @@ static void check_valid(unsigned char *sha1, enum object_type expect) typename(expect)); } -/* - * Having more than two parents is not strange at all, and this is - * how multi-way merges are represented. - */ -#define MAXPARENT (16) -static unsigned char parent_sha1[MAXPARENT][20]; - static const char commit_tree_usage[] = "git-commit-tree <sha1> [-p <sha1>]* < changelog"; -static int new_parent(int idx) +static void new_parent(struct commit *parent, struct commit_list **parents_p) { - int i; - unsigned char *sha1 = parent_sha1[idx]; - for (i = 0; i < idx; i++) { - if (!hashcmp(parent_sha1[i], sha1)) { + unsigned char *sha1 = parent->object.sha1; + struct commit_list *parents; + for (parents = *parents_p; parents; parents = parents->next) { + if (parents->item == parent) { error("duplicate parent %s ignored", sha1_to_hex(sha1)); - return 0; + return; } + parents_p = &parents->next; } - return 1; + commit_list_insert(parent, parents_p); } static const char commit_utf8_warn[] = @@ -54,13 +48,13 @@ static const char commit_utf8_warn[] = int cmd_commit_tree(int argc, const char **argv, const char *prefix) { int i; - int parents = 0; + struct commit_list *parents = NULL; unsigned char tree_sha1[20]; unsigned char commit_sha1[20]; struct strbuf buffer; int encoding_is_utf8; - git_config(git_default_config); + git_config(git_default_config, NULL); if (argc < 2) usage(commit_tree_usage); @@ -69,18 +63,16 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) check_valid(tree_sha1, OBJ_TREE); for (i = 2; i < argc; i += 2) { + unsigned char sha1[20]; const char *a, *b; a = argv[i]; b = argv[i+1]; if (!b || strcmp(a, "-p")) usage(commit_tree_usage); - if (parents >= MAXPARENT) - die("Too many parents (%d max)", MAXPARENT); - if (get_sha1(b, parent_sha1[parents])) + if (get_sha1(b, sha1)) die("Not a valid object name %s", b); - check_valid(parent_sha1[parents], OBJ_COMMIT); - if (new_parent(parents)) - parents++; + check_valid(sha1, OBJ_COMMIT); + new_parent(lookup_commit(sha1), &parents); } /* Not having i18n.commitencoding is the same as having utf-8 */ @@ -94,8 +86,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) * different order of parents will be a _different_ changeset even * if everything else stays the same. */ - for (i = 0; i < parents; i++) - strbuf_addf(&buffer, "parent %s\n", sha1_to_hex(parent_sha1[i])); + while (parents) { + struct commit_list *next = parents->next; + strbuf_addf(&buffer, "parent %s\n", + sha1_to_hex(parents->item->object.sha1)); + free(parents); + parents = next; + } /* Person/date information */ strbuf_addf(&buffer, "author %s\n", git_author_info(IDENT_ERROR_ON_NO_NAME)); diff --git a/builtin-commit.c b/builtin-commit.c index 0baec6db6a..745c11e773 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -45,11 +45,13 @@ static enum { COMMIT_PARTIAL, } commit_style; -static char *logfile, *force_author, *template_file; +static char *logfile, *force_author; +static const char *template_file; static char *edit_message, *use_message; static char *author_name, *author_email, *author_date; static int all, edit_flag, also, interactive, only, amend, signoff; -static int quiet, verbose, untracked_files, no_verify, allow_empty; +static int quiet, verbose, no_verify, allow_empty; +static char *untracked_files_arg; /* * The default commit message cleanup mode will remove the lines * beginning with # (shell comments) and leading and trailing @@ -102,7 +104,7 @@ static struct option builtin_commit_options[] = { OPT_BOOLEAN('o', "only", &only, "commit only specified files"), OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), - OPT_BOOLEAN('u', "untracked-files", &untracked_files, "show all untracked files"), + { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"), OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), @@ -179,9 +181,10 @@ static void add_remove_files(struct path_list *list) struct stat st; struct path_list_item *p = &(list->items[i]); - if (!lstat(p->path, &st)) - add_to_cache(p->path, &st, 0); - else + if (!lstat(p->path, &st)) { + if (add_to_cache(p->path, &st, 0)) + die("updating files failed"); + } else remove_file_from_cache(p->path); } } @@ -222,6 +225,8 @@ static char *prepare_index(int argc, const char **argv, const char *prefix) if (interactive) { interactive_add(argc, argv, prefix); + if (read_cache() < 0) + die("index file corrupt"); commit_style = COMMIT_AS_IS; return get_index_file(); } @@ -246,7 +251,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix) */ if (all || (also && pathspec && *pathspec)) { int fd = hold_locked_index(&index_lock, 1); - add_files_to_cache(0, also ? prefix : NULL, pathspec); + add_files_to_cache(also ? prefix : NULL, pathspec, 0); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) @@ -344,7 +349,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int s.reference = "HEAD^1"; } s.verbose = verbose; - s.untracked = untracked_files; + s.untracked = (show_untracked_files == SHOW_ALL_UNTRACKED_FILES); s.index_file = index_file; s.fp = fp; s.nowarn = nowarn; @@ -499,7 +504,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix) fp = fopen(git_path(commit_editmsg), "w"); if (fp == NULL) - die("could not open %s", git_path(commit_editmsg)); + die("could not open %s: %s", + git_path(commit_editmsg), strerror(errno)); if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, 0); @@ -792,6 +798,17 @@ static int parse_and_validate_options(int argc, const char *argv[], else die("Invalid cleanup mode %s", cleanup_arg); + if (!untracked_files_arg) + ; /* default already initialized */ + else if (!strcmp(untracked_files_arg, "no")) + show_untracked_files = SHOW_NO_UNTRACKED_FILES; + else if (!strcmp(untracked_files_arg, "normal")) + show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; + else if (!strcmp(untracked_files_arg, "all")) + show_untracked_files = SHOW_ALL_UNTRACKED_FILES; + else + die("Invalid untracked files mode '%s'", untracked_files_arg); + if (all && argc > 0) die("Paths with -a does not make sense."); else if (interactive && argc > 0) @@ -805,7 +822,7 @@ int cmd_status(int argc, const char **argv, const char *prefix) const char *index_file; int commitable; - git_config(git_status_config); + git_config(git_status_config, NULL); if (wt_status_use_color == -1) wt_status_use_color = git_use_color_default; @@ -859,16 +876,12 @@ static void print_summary(const char *prefix, const unsigned char *sha1) } } -int git_commit_config(const char *k, const char *v) +int git_commit_config(const char *k, const char *v, void *cb) { - if (!strcmp(k, "commit.template")) { - if (!v) - return config_error_nonbool(v); - template_file = xstrdup(v); - return 0; - } + if (!strcmp(k, "commit.template")) + return git_config_string(&template_file, k, v); - return git_status_config(k, v); + return git_status_config(k, v, cb); } static const char commit_utf8_warn[] = @@ -880,10 +893,19 @@ static void add_parent(struct strbuf *sb, const unsigned char *sha1) { struct object *obj = parse_object(sha1); const char *parent = sha1_to_hex(sha1); + const char *cp; + if (!obj) die("Unable to find commit parent %s", parent); if (obj->type != OBJ_COMMIT) die("Parent %s isn't a proper commit", parent); + + for (cp = sb->buf; cp && (cp = strstr(cp, "\nparent ")); cp += 8) { + if (!memcmp(cp + 8, parent, 40) && cp[48] == '\n') { + error("duplicate parent %s ignored", parent); + return; + } + } strbuf_addf(sb, "parent %s\n", parent); } @@ -896,7 +918,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) unsigned char commit_sha1[20]; struct ref_lock *ref_lock; - git_config(git_commit_config); + git_config(git_commit_config, NULL); argc = parse_and_validate_options(argc, argv, builtin_commit_usage); diff --git a/builtin-config.c b/builtin-config.c index 8ee01bdecd..39f63d7b10 100644 --- a/builtin-config.c +++ b/builtin-config.c @@ -18,7 +18,7 @@ static char key_delim = ' '; static char term = '\n'; static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW; -static int show_all_config(const char *key_, const char *value_) +static int show_all_config(const char *key_, const char *value_, void *cb) { if (value_) printf("%s%c%s%c", key_, delim, value_, term); @@ -27,7 +27,7 @@ static int show_all_config(const char *key_, const char *value_) return 0; } -static int show_config(const char* key_, const char* value_) +static int show_config(const char* key_, const char* value_, void *cb) { char value[256]; const char *vptr = value; @@ -81,12 +81,10 @@ static int get_value(const char* key_, const char* regex_) char *global = NULL, *repo_config = NULL; const char *system_wide = NULL, *local; - local = getenv(CONFIG_ENVIRONMENT); + local = config_exclusive_filename; if (!local) { const char *home = getenv("HOME"); - local = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!local) - local = repo_config = xstrdup(git_path("config")); + local = repo_config = xstrdup(git_path("config")); if (git_config_global() && home) global = xstrdup(mkpath("%s/.gitconfig", home)); if (git_config_system()) @@ -121,14 +119,14 @@ static int get_value(const char* key_, const char* regex_) } if (do_all && system_wide) - git_config_from_file(show_config, system_wide); + git_config_from_file(show_config, system_wide, NULL); if (do_all && global) - git_config_from_file(show_config, global); - git_config_from_file(show_config, local); + git_config_from_file(show_config, global, NULL); + git_config_from_file(show_config, local, NULL); if (!do_all && !seen && global) - git_config_from_file(show_config, global); + git_config_from_file(show_config, global, NULL); if (!do_all && !seen && system_wide) - git_config_from_file(show_config, system_wide); + git_config_from_file(show_config, system_wide, NULL); free(key); if (regexp) { @@ -182,7 +180,7 @@ static int get_color_found; static const char *get_color_slot; static char parsed_color[COLOR_MAXLEN]; -static int git_get_color_config(const char *var, const char *value) +static int git_get_color_config(const char *var, const char *value, void *cb) { if (!strcmp(var, get_color_slot)) { if (!value) @@ -218,7 +216,7 @@ static int get_color(int argc, const char **argv) get_color_found = 0; parsed_color[0] = '\0'; - git_config(git_get_color_config); + git_config(git_get_color_config, NULL); if (!get_color_found && def_color) color_parse(def_color, "command line", parsed_color); @@ -230,7 +228,8 @@ static int get_color(int argc, const char **argv) static int stdout_is_tty; static int get_colorbool_found; static int get_diff_color_found; -static int git_get_colorbool_config(const char *var, const char *value) +static int git_get_colorbool_config(const char *var, const char *value, + void *cb) { if (!strcmp(var, get_color_slot)) { get_colorbool_found = @@ -265,7 +264,7 @@ static int get_colorbool(int argc, const char **argv) get_colorbool_found = -1; get_diff_color_found = -1; get_color_slot = argv[0]; - git_config(git_get_colorbool_config); + git_config(git_get_colorbool_config, NULL); if (get_colorbool_found < 0) { if (!strcmp(get_color_slot, "color.diff")) @@ -288,6 +287,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) char* value; const char *file = setup_git_directory_gently(&nongit); + config_exclusive_filename = getenv(CONFIG_ENVIRONMENT); + while (1 < argc) { if (!strcmp(argv[1], "--int")) type = T_INT; @@ -298,7 +299,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) { if (argc != 2) usage(git_config_set_usage); - if (git_config(show_all_config) < 0 && file && errno) + if (git_config(show_all_config, NULL) < 0 && + file && errno) die("unable to read config file %s: %s", file, strerror(errno)); return 0; @@ -307,14 +309,13 @@ int cmd_config(int argc, const char **argv, const char *prefix) char *home = getenv("HOME"); if (home) { char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); - setenv(CONFIG_ENVIRONMENT, user_config, 1); - free(user_config); + config_exclusive_filename = user_config; } else { die("$HOME not set"); } } else if (!strcmp(argv[1], "--system")) - setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1); + config_exclusive_filename = git_etc_gitconfig(); else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) { if (argc < 3) usage(git_config_set_usage); @@ -323,7 +324,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) argv[2]); else file = argv[2]; - setenv(CONFIG_ENVIRONMENT, file, 1); + config_exclusive_filename = file; argc--; argv++; } diff --git a/builtin-describe.c b/builtin-describe.c index df554b30af..e515f9ca9b 100644 --- a/builtin-describe.c +++ b/builtin-describe.c @@ -80,12 +80,13 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void * Otherwise only annotated tags are used. */ if (might_be_tag) { - if (is_tag) { + if (is_tag) prio = 2; - if (pattern && fnmatch(pattern, path + 10, 0)) - prio = 0; - } else + else prio = 1; + + if (pattern && fnmatch(pattern, path + 10, 0)) + prio = 0; } else prio = 0; @@ -203,7 +204,7 @@ static void describe(const char *arg, int last_one) */ display_name(n); if (longformat) - show_suffix(0, n->tag->tagged->sha1); + show_suffix(0, n->tag ? n->tag->tagged->sha1 : sha1); printf("\n"); return; } diff --git a/builtin-diff-files.c b/builtin-diff-files.c index e2306c162a..384d871263 100644 --- a/builtin-diff-files.c +++ b/builtin-diff-files.c @@ -10,26 +10,54 @@ #include "builtin.h" static const char diff_files_usage[] = -"git-diff-files [-q] [-0/-1/2/3 |-c|--cc|--no-index] [<common diff options>] [<path>...]" +"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]" COMMON_DIFF_OPTIONS_HELP; int cmd_diff_files(int argc, const char **argv, const char *prefix) { struct rev_info rev; - int nongit; int result; + unsigned options = 0; - prefix = setup_git_directory_gently(&nongit); init_revisions(&rev, prefix); - git_config(git_diff_basic_config); /* no "diff" UI options */ + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ rev.abbrev = 0; - if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix)) - argc = 0; - else - argc = setup_revisions(argc, argv, &rev, NULL); + argc = setup_revisions(argc, argv, &rev, NULL); + while (1 < argc && argv[1][0] == '-') { + if (!strcmp(argv[1], "--base")) + rev.max_count = 1; + else if (!strcmp(argv[1], "--ours")) + rev.max_count = 2; + else if (!strcmp(argv[1], "--theirs")) + rev.max_count = 3; + else if (!strcmp(argv[1], "-q")) + options |= DIFF_SILENT_ON_REMOVED; + else + usage(diff_files_usage); + argv++; argc--; + } if (!rev.diffopt.output_format) rev.diffopt.output_format = DIFF_FORMAT_RAW; - result = run_diff_files_cmd(&rev, argc, argv); + + /* + * Make sure there are NO revision (i.e. pending object) parameter, + * rev.max_count is reasonable (0 <= n <= 3), and + * there is no other revision filtering parameters. + */ + if (rev.pending.nr || + rev.min_age != -1 || rev.max_age != -1 || + 3 < rev.max_count) + usage(diff_files_usage); + + if (rev.max_count == -1 && + (rev.diffopt.output_format & DIFF_FORMAT_PATCH)) + rev.combine_merges = rev.dense_combined_merges = 1; + + if (read_cache() < 0) { + perror("read_cache"); + return -1; + } + result = run_diff_files(&rev, options); return diff_result_code(&rev.diffopt, result); } diff --git a/builtin-diff-index.c b/builtin-diff-index.c index 2b955deb91..2f44ebfcdd 100644 --- a/builtin-diff-index.c +++ b/builtin-diff-index.c @@ -17,7 +17,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) int result; init_revisions(&rev, prefix); - git_config(git_diff_basic_config); /* no "diff" UI options */ + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ rev.abbrev = 0; argc = setup_revisions(argc, argv, &rev, NULL); diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c index 832797ff3b..9d2a48fd68 100644 --- a/builtin-diff-tree.c +++ b/builtin-diff-tree.c @@ -68,7 +68,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) int read_stdin = 0; init_revisions(opt, prefix); - git_config(git_diff_basic_config); /* no "diff" UI options */ + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ nr_sha1 = 0; opt->abbrev = 0; opt->diff = 1; diff --git a/builtin-diff.c b/builtin-diff.c index 7c2a8412fa..4c289e798a 100644 --- a/builtin-diff.c +++ b/builtin-diff.c @@ -202,6 +202,37 @@ static void refresh_index_quietly(void) rollback_lock_file(lock_file); } +static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv) +{ + int result; + unsigned int options = 0; + + while (1 < argc && argv[1][0] == '-') { + if (!strcmp(argv[1], "--base")) + revs->max_count = 1; + else if (!strcmp(argv[1], "--ours")) + revs->max_count = 2; + else if (!strcmp(argv[1], "--theirs")) + revs->max_count = 3; + else if (!strcmp(argv[1], "-q")) + options |= DIFF_SILENT_ON_REMOVED; + else + return error("invalid option: %s", argv[1]); + argv++; argc--; + } + + if (revs->max_count == -1 && + (revs->diffopt.output_format & DIFF_FORMAT_PATCH)) + revs->combine_merges = revs->dense_combined_merges = 1; + + if (read_cache() < 0) { + perror("read_cache"); + return -1; + } + result = run_diff_files(revs, options); + return diff_result_code(&revs->diffopt, result); +} + int cmd_diff(int argc, const char **argv, const char *prefix) { int i; @@ -230,31 +261,34 @@ int cmd_diff(int argc, const char **argv, const char *prefix) * N=2, M=0: * tree vs tree (diff-tree) * + * N=0, M=0, P=2: + * compare two filesystem entities (aka --no-index). + * * Other cases are errors. */ prefix = setup_git_directory_gently(&nongit); - git_config(git_diff_ui_config); + git_config(git_diff_ui_config, NULL); if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; init_revisions(&rev, prefix); + + /* If this is a no-index diff, just run it and exit there. */ + diff_no_index(&rev, argc, argv, nongit, prefix); + + /* Otherwise, we are doing the usual "git" diff */ rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index; - if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix)) - argc = 0; - else - argc = setup_revisions(argc, argv, &rev, NULL); + if (nongit) + die("Not a git repository"); + argc = setup_revisions(argc, argv, &rev, NULL); if (!rev.diffopt.output_format) { rev.diffopt.output_format = DIFF_FORMAT_PATCH; if (diff_setup_done(&rev.diffopt) < 0) die("diff_setup_done failed"); } - if (rev.diffopt.prefix && nongit) { - rev.diffopt.prefix = NULL; - rev.diffopt.prefix_length = 0; - } DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL); DIFF_OPT_SET(&rev.diffopt, RECURSIVE); @@ -265,7 +299,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) if (!DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS)) setup_pager(); - /* Do we have --cached and not have a pending object, then + /* + * Do we have --cached and not have a pending object, then * default to HEAD by hand. Eek. */ if (!rev.pending.nr) { @@ -333,7 +368,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) if (!ents) { switch (blobs) { case 0: - result = run_diff_files_cmd(&rev, argc, argv); + result = builtin_diff_files(&rev, argc, argv); break; case 1: if (paths != 1) diff --git a/builtin-fast-export.c b/builtin-fast-export.c index e1c56303e5..75132bacfa 100755..100644 --- a/builtin-fast-export.c +++ b/builtin-fast-export.c @@ -56,10 +56,24 @@ static int has_unshown_parent(struct commit *commit) } /* Since intptr_t is C99, we do not use it here */ -static void mark_object(struct object *object) +static inline uint32_t *mark_to_ptr(uint32_t mark) { - last_idnum++; - add_decoration(&idnums, object, ((uint32_t *)NULL) + last_idnum); + return ((uint32_t *)NULL) + mark; +} + +static inline uint32_t ptr_to_mark(void * mark) +{ + return (uint32_t *)mark - (uint32_t *)NULL; +} + +static inline void mark_object(struct object *object, uint32_t mark) +{ + add_decoration(&idnums, object, mark_to_ptr(mark)); +} + +static inline void mark_next_object(struct object *object) +{ + mark_object(object, ++last_idnum); } static int get_object_mark(struct object *object) @@ -67,7 +81,7 @@ static int get_object_mark(struct object *object) void *decoration = lookup_decoration(&idnums, object); if (!decoration) return 0; - return (uint32_t *)decoration - (uint32_t *)NULL; + return ptr_to_mark(decoration); } static void show_progress(void) @@ -100,9 +114,9 @@ static void handle_object(const unsigned char *sha1) if (!buf) die ("Could not read blob %s", sha1_to_hex(sha1)); - mark_object(object); + mark_next_object(object); - printf("blob\nmark :%d\ndata %lu\n", last_idnum, size); + printf("blob\nmark :%"PRIu32"\ndata %lu\n", last_idnum, size); if (size && fwrite(buf, size, 1, stdout) != 1) die ("Could not write blob %s", sha1_to_hex(sha1)); printf("\n"); @@ -185,10 +199,12 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) for (i = 0; i < diff_queued_diff.nr; i++) handle_object(diff_queued_diff.queue[i]->two->sha1); - mark_object(&commit->object); + mark_next_object(&commit->object); if (!is_encoding_utf8(encoding)) reencoded = reencode_string(message, "UTF-8", encoding); - printf("commit %s\nmark :%d\n%.*s\n%.*s\ndata %u\n%s", + if (!commit->parents) + printf("reset %s\n", (const char*)commit->util); + printf("commit %s\nmark :%"PRIu32"\n%.*s\n%.*s\ndata %u\n%s", (const char *)commit->util, last_idnum, (int)(author_end - author), author, (int)(committer_end - committer), committer, @@ -204,14 +220,10 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) continue; if (i == 0) printf("from :%d\n", mark); - else if (i == 1) - printf("merge :%d", mark); else - printf(" :%d", mark); + printf("merge :%d\n", mark); i++; } - if (i > 1) - printf("\n"); log_tree_diff_flush(rev); rev->diffopt.output_format = saved_output_format; @@ -356,23 +368,90 @@ static void handle_tags_and_duplicates(struct path_list *extra_refs) } } +static void export_marks(char *file) +{ + unsigned int i; + uint32_t mark; + struct object_decoration *deco = idnums.hash; + FILE *f; + + f = fopen(file, "w"); + if (!f) + error("Unable to open marks file %s for writing", file); + + for (i = 0; i < idnums.size; i++) { + if (deco->base && deco->base->type == 1) { + mark = ptr_to_mark(deco->decoration); + fprintf(f, ":%u %s\n", mark, sha1_to_hex(deco->base->sha1)); + } + deco++; + } + + if (ferror(f) || fclose(f)) + error("Unable to write marks file %s.", file); +} + +static void import_marks(char *input_file) +{ + char line[512]; + FILE *f = fopen(input_file, "r"); + if (!f) + die("cannot read %s: %s", input_file, strerror(errno)); + + while (fgets(line, sizeof(line), f)) { + uint32_t mark; + char *line_end, *mark_end; + unsigned char sha1[20]; + struct object *object; + + line_end = strchr(line, '\n'); + if (line[0] != ':' || !line_end) + die("corrupt mark line: %s", line); + *line_end = '\0'; + + mark = strtoumax(line + 1, &mark_end, 10); + if (!mark || mark_end == line + 1 + || *mark_end != ' ' || get_sha1(mark_end + 1, sha1)) + die("corrupt mark line: %s", line); + + object = parse_object(sha1); + if (!object) + die ("Could not read blob %s", sha1_to_hex(sha1)); + + if (object->flags & SHOWN) + error("Object %s already has a mark", sha1); + + mark_object(object, mark); + if (last_idnum < mark) + last_idnum = mark; + + object->flags |= SHOWN; + } + fclose(f); +} + int cmd_fast_export(int argc, const char **argv, const char *prefix) { struct rev_info revs; struct object_array commits = { 0, 0, NULL }; struct path_list extra_refs = { NULL, 0, 0, 0 }; struct commit *commit; + char *export_filename = NULL, *import_filename = NULL; struct option options[] = { OPT_INTEGER(0, "progress", &progress, "show progress after <n> objects"), OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, "mode", "select handling of signed tags", parse_opt_signed_tag_mode), + OPT_STRING(0, "export-marks", &export_filename, "FILE", + "Dump marks to this file"), + OPT_STRING(0, "import-marks", &import_filename, "FILE", + "Import marks from this file"), OPT_END() }; /* we handle encodings */ - git_config(git_default_config); + git_config(git_default_config, NULL); init_revisions(&revs, prefix); argc = setup_revisions(argc, argv, &revs, NULL); @@ -380,6 +459,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (argc > 1) usage_with_options (fast_export_usage, options); + if (import_filename) + import_marks(import_filename); + get_tags_and_duplicates(&revs.pending, &extra_refs); if (prepare_revision_walk(&revs)) @@ -402,5 +484,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) handle_tags_and_duplicates(&extra_refs); + if (export_filename) + export_marks(export_filename); + return 0; } diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c index c97a42739d..1ea7040639 100644 --- a/builtin-fetch-pack.c +++ b/builtin-fetch-pack.c @@ -309,7 +309,8 @@ done: } flushes--; } - return retval; + /* it is no error to fetch into a completely empty repo */ + return count ? retval : 0; } static struct commit_list *complete; @@ -519,7 +520,8 @@ static int get_pack(int xd[2], char **pack_lockfile) if (read_pack_header(demux.out, &header)) die("protocol error: bad pack header"); - snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u", + snprintf(hdr_arg, sizeof(hdr_arg), + "--pack_header=%"PRIu32",%"PRIu32, ntohl(header.hdr_version), ntohl(header.hdr_entries)); if (ntohl(header.hdr_entries) < unpack_limit) do_keep = 0; @@ -635,7 +637,7 @@ static int remove_duplicates(int nr_heads, char **heads) return dst; } -static int fetch_pack_config(const char *var, const char *value) +static int fetch_pack_config(const char *var, const char *value, void *cb) { if (strcmp(var, "fetch.unpacklimit") == 0) { fetch_unpack_limit = git_config_int(var, value); @@ -647,7 +649,7 @@ static int fetch_pack_config(const char *var, const char *value) return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static struct lock_file lock; @@ -657,7 +659,7 @@ static void fetch_pack_setup(void) static int did_setup; if (did_setup) return; - git_config(fetch_pack_config); + git_config(fetch_pack_config, NULL); if (0 <= transfer_unpack_limit) unpack_limit = transfer_unpack_limit; else if (0 <= fetch_unpack_limit) @@ -820,5 +822,6 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args, } } + reprepare_packed_git(); return ref_cpy; } diff --git a/builtin-fetch.c b/builtin-fetch.c index f6584ecea1..97fdc51e31 100644 --- a/builtin-fetch.c +++ b/builtin-fetch.c @@ -127,14 +127,8 @@ static struct ref *get_ref_map(struct transport *transport, /* Merge everything on the command line, but not --tags */ for (rm = ref_map; rm; rm = rm->next) rm->merge = 1; - if (tags == TAGS_SET) { - struct refspec refspec; - refspec.src = "refs/tags/"; - refspec.dst = "refs/tags/"; - refspec.pattern = 1; - refspec.force = 0; - get_fetch_map(remote_refs, &refspec, &tail, 0); - } + if (tags == TAGS_SET) + get_fetch_map(remote_refs, tag_refspec, &tail, 0); } else { /* Use the defaults */ struct remote *remote = transport->remote; @@ -187,9 +181,9 @@ static int s_update_ref(const char *action, lock = lock_any_ref_for_update(ref->name, check_old ? ref->old_sha1 : NULL, 0); if (!lock) - return 1; + return 2; if (write_ref_sha1(lock, ref->new_sha1, msg) < 0) - return 1; + return 2; return 0; } @@ -239,10 +233,12 @@ static int update_local_ref(struct ref *ref, if (!is_null_sha1(ref->old_sha1) && !prefixcmp(ref->name, "refs/tags/")) { - sprintf(display, "- %-*s %-*s -> %s", + int r; + r = s_update_ref("updating tag", ref, 0); + sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '-', SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote, - pretty_ref); - return s_update_ref("updating tag", ref, 0); + pretty_ref, r ? " (unable to update local ref)" : ""); + return r; } current = lookup_commit_reference_gently(ref->old_sha1, 1); @@ -250,6 +246,7 @@ static int update_local_ref(struct ref *ref, if (!current || !updated) { const char *msg; const char *what; + int r; if (!strncmp(ref->name, "refs/tags/", 10)) { msg = "storing tag"; what = "[new tag]"; @@ -259,27 +256,36 @@ static int update_local_ref(struct ref *ref, what = "[new branch]"; } - sprintf(display, "* %-*s %-*s -> %s", SUMMARY_WIDTH, what, - REFCOL_WIDTH, remote, pretty_ref); - return s_update_ref(msg, ref, 0); + r = s_update_ref(msg, ref, 0); + sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '*', + SUMMARY_WIDTH, what, REFCOL_WIDTH, remote, pretty_ref, + r ? " (unable to update local ref)" : ""); + return r; } if (in_merge_bases(current, &updated, 1)) { char quickref[83]; + int r; strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV)); strcat(quickref, ".."); strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV)); - sprintf(display, " %-*s %-*s -> %s", SUMMARY_WIDTH, quickref, - REFCOL_WIDTH, remote, pretty_ref); - return s_update_ref("fast forward", ref, 1); + r = s_update_ref("fast forward", ref, 1); + sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : ' ', + SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, + pretty_ref, r ? " (unable to update local ref)" : ""); + return r; } else if (force || ref->force) { char quickref[84]; + int r; strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV)); strcat(quickref, "..."); strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV)); - sprintf(display, "+ %-*s %-*s -> %s (forced update)", - SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, pretty_ref); - return s_update_ref("forced-update", ref, 1); + r = s_update_ref("forced-update", ref, 1); + sprintf(display, "%c %-*s %-*s -> %s (%s)", r ? '!' : '+', + SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, + pretty_ref, + r ? "unable to update local ref" : "forced update"); + return r; } else { sprintf(display, "! %-*s %-*s -> %s (non fast forward)", SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote, @@ -288,11 +294,12 @@ static int update_local_ref(struct ref *ref, } } -static int store_updated_refs(const char *url, struct ref *ref_map) +static int store_updated_refs(const char *url, const char *remote_name, + struct ref *ref_map) { FILE *fp; struct commit *commit; - int url_len, i, note_len, shown_url = 0; + int url_len, i, note_len, shown_url = 0, rc = 0; char note[1024]; const char *what, *kind; struct ref *rm; @@ -359,7 +366,7 @@ static int store_updated_refs(const char *url, struct ref *ref_map) note); if (ref) - update_local_ref(ref, what, verbose, note); + rc |= update_local_ref(ref, what, verbose, note); else sprintf(note, "* %-*s %-*s -> FETCH_HEAD", SUMMARY_WIDTH, *kind ? kind : "branch", @@ -374,7 +381,11 @@ static int store_updated_refs(const char *url, struct ref *ref_map) } } fclose(fp); - return 0; + if (rc & 2) + error("some local refs could not be updated; try running\n" + " 'git remote prune %s' to remove any old, conflicting " + "branches", remote_name); + return rc; } /* @@ -444,7 +455,9 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map) if (ret) ret = transport_fetch_refs(transport, ref_map); if (!ret) - ret |= store_updated_refs(transport->url, ref_map); + ret |= store_updated_refs(transport->url, + transport->remote->name, + ref_map); transport_unlock_pack(transport); return ret; } diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c index b72cb59e6a..b892621ab5 100644 --- a/builtin-fmt-merge-msg.c +++ b/builtin-fmt-merge-msg.c @@ -10,7 +10,7 @@ static const char *fmt_merge_msg_usage = static int merge_summary; -static int fmt_merge_msg_config(const char *key, const char *value) +static int fmt_merge_msg_config(const char *key, const char *value, void *cb) { static int found_merge_log = 0; if (!strcmp("merge.log", key)) { @@ -260,7 +260,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) unsigned char head_sha1[20]; const char *current_branch; - git_config(fmt_merge_msg_config); + git_config(fmt_merge_msg_config, NULL); while (argc > 1) { if (!strcmp(argv[1], "--log") || !strcmp(argv[1], "--summary")) diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c index 07d9c57212..fef93d7488 100644 --- a/builtin-for-each-ref.c +++ b/builtin-for-each-ref.c @@ -234,6 +234,13 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob name++; if (!strcmp(name, "tag")) v->s = tag->tag; + else if (!strcmp(name, "type") && tag->tagged) + v->s = typename(tag->tagged->type); + else if (!strcmp(name, "object") && tag->tagged) { + char *s = xmalloc(41); + strcpy(s, sha1_to_hex(tag->tagged->sha1)); + v->s = s; + } } } diff --git a/builtin-fsck.c b/builtin-fsck.c index 78a6e1ff71..b0f9648f86 100644 --- a/builtin-fsck.c +++ b/builtin-fsck.c @@ -585,7 +585,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) prepare_packed_git(); for (p = packed_git; p; p = p->next) /* verify gives error messages itself */ - verify_pack(p, 0); + verify_pack(p); for (p = packed_git; p; p = p->next) { uint32_t j, num; diff --git a/builtin-gc.c b/builtin-gc.c index f99ebc7926..f5625bb9fb 100644 --- a/builtin-gc.c +++ b/builtin-gc.c @@ -35,7 +35,7 @@ static const char *argv_repack[MAX_ADD] = {"repack", "-d", "-l", NULL}; static const char *argv_prune[] = {"prune", "--expire", NULL, NULL}; static const char *argv_rerere[] = {"rerere", "gc", NULL}; -static int gc_config(const char *var, const char *value) +static int gc_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "gc.packrefs")) { if (value && !strcmp(value, "notbare")) @@ -67,7 +67,7 @@ static int gc_config(const char *var, const char *value) prune_expire = xstrdup(value); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static void append_option(const char **cmd, const char *opt, int max_length) @@ -219,14 +219,14 @@ int cmd_gc(int argc, const char **argv, const char *prefix) char buf[80]; struct option builtin_gc_options[] = { - OPT_BOOLEAN(0, "prune", &prune, "prune unreferenced objects"), + OPT_BOOLEAN(0, "prune", &prune, "prune unreferenced objects (deprecated)"), OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"), OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"), OPT_BOOLEAN('q', "quiet", &quiet, "suppress progress reports"), OPT_END() }; - git_config(gc_config); + git_config(gc_config, NULL); if (pack_refs < 0) pack_refs = !is_bare_repository(); @@ -249,24 +249,14 @@ int cmd_gc(int argc, const char **argv, const char *prefix) /* * Auto-gc should be least intrusive as possible. */ - prune = 0; if (!need_to_gc()) return 0; fprintf(stderr, "Auto packing your repository for optimum " "performance. You may also\n" "run \"git gc\" manually. See " "\"git help gc\" for more information.\n"); - } else { - /* - * Use safer (for shared repos) "-A" option to - * repack when not pruning. Auto-gc makes its - * own decision. - */ - if (prune) - append_option(argv_repack, "-a", MAX_ADD); - else - append_option(argv_repack, "-A", MAX_ADD); - } + } else + append_option(argv_repack, "-A", MAX_ADD); if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD)) return error(FAILED_RUN, argv_pack_refs[0]); diff --git a/builtin-http-fetch.c b/builtin-http-fetch.c index b1f33891c3..3a062487a7 100644 --- a/builtin-http-fetch.c +++ b/builtin-http-fetch.c @@ -18,7 +18,7 @@ int cmd_http_fetch(int argc, const char **argv, const char *prefix) int get_verbosely = 0; int get_recover = 0; - git_config(git_default_config); + git_config(git_default_config, NULL); while (arg < argc && argv[arg][0] == '-') { if (argv[arg][1] == 't') { diff --git a/builtin-init-db.c b/builtin-init-db.c index a76f5d3474..e23b8438c7 100644 --- a/builtin-init-db.c +++ b/builtin-init-db.c @@ -104,12 +104,14 @@ static void copy_templates_1(char *path, int baselen, } } -static void copy_templates(const char *git_dir, int len, const char *template_dir) +static void copy_templates(const char *template_dir) { char path[PATH_MAX]; char template_path[PATH_MAX]; int template_len; DIR *dir; + const char *git_dir = get_git_dir(); + int len = strlen(git_dir); if (!template_dir) template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT); @@ -142,7 +144,7 @@ static void copy_templates(const char *git_dir, int len, const char *template_di strcpy(template_path + template_len, "config"); repository_format_version = 0; git_config_from_file(check_repository_format_version, - template_path); + template_path, NULL); template_path[template_len] = 0; if (repository_format_version && @@ -156,6 +158,8 @@ static void copy_templates(const char *git_dir, int len, const char *template_di } memcpy(path, git_dir, len); + if (len && path[len - 1] != '/') + path[len++] = '/'; path[len] = 0; copy_templates_1(path, len, template_path, template_len, @@ -163,8 +167,9 @@ static void copy_templates(const char *git_dir, int len, const char *template_di closedir(dir); } -static int create_default_files(const char *git_dir, const char *template_path) +static int create_default_files(const char *template_path) { + const char *git_dir = get_git_dir(); unsigned len = strlen(git_dir); static char path[PATH_MAX]; struct stat st1; @@ -183,35 +188,27 @@ static int create_default_files(const char *git_dir, const char *template_path) /* * Create .git/refs/{heads,tags} */ - strcpy(path + len, "refs"); - safe_create_dir(path, 1); - strcpy(path + len, "refs/heads"); - safe_create_dir(path, 1); - strcpy(path + len, "refs/tags"); - safe_create_dir(path, 1); + safe_create_dir(git_path("refs"), 1); + safe_create_dir(git_path("refs/heads"), 1); + safe_create_dir(git_path("refs/tags"), 1); /* First copy the templates -- we might have the default * config file there, in which case we would want to read * from it after installing. */ - path[len] = 0; - copy_templates(path, len, template_path); + copy_templates(template_path); - git_config(git_default_config); + git_config(git_default_config, NULL); /* * We would have created the above under user's umask -- under * shared-repository settings, we would need to fix them up. */ if (shared_repository) { - path[len] = 0; - adjust_shared_perm(path); - strcpy(path + len, "refs"); - adjust_shared_perm(path); - strcpy(path + len, "refs/heads"); - adjust_shared_perm(path); - strcpy(path + len, "refs/tags"); - adjust_shared_perm(path); + adjust_shared_perm(get_git_dir()); + adjust_shared_perm(git_path("refs")); + adjust_shared_perm(git_path("refs/heads")); + adjust_shared_perm(git_path("refs/tags")); } /* @@ -251,12 +248,14 @@ static int create_default_files(const char *git_dir, const char *template_path) /* allow template config file to override the default */ if (log_all_ref_updates == -1) git_config_set("core.logallrefupdates", "true"); - if (work_tree != git_work_tree_cfg) + if (prefixcmp(git_dir, work_tree) || + strcmp(git_dir + strlen(work_tree), "/.git")) { git_config_set("core.worktree", work_tree); + } } - /* Check if symlink is supported in the work tree */ if (!reinit) { + /* Check if symlink is supported in the work tree */ path[len] = 0; strcpy(path + len, "tXXXXXX"); if (!close(xmkstemp(path)) && @@ -267,51 +266,105 @@ static int create_default_files(const char *git_dir, const char *template_path) unlink(path); /* good */ else git_config_set("core.symlinks", "false"); + + /* Check if the filesystem is case-insensitive */ + path[len] = 0; + strcpy(path + len, "CoNfIg"); + if (!access(path, F_OK)) + git_config_set("core.ignorecase", "true"); } return reinit; } -static void guess_repository_type(const char *git_dir) +int init_db(const char *template_dir, unsigned int flags) +{ + const char *sha1_dir; + char *path; + int len, reinit; + + safe_create_dir(get_git_dir(), 0); + + /* Check to see if the repository version is right. + * Note that a newly created repository does not have + * config file, so this will not fail. What we are catching + * is an attempt to reinitialize new repository with an old tool. + */ + check_repository_format(); + + reinit = create_default_files(template_dir); + + sha1_dir = get_object_directory(); + len = strlen(sha1_dir); + path = xmalloc(len + 40); + memcpy(path, sha1_dir, len); + + safe_create_dir(sha1_dir, 1); + strcpy(path+len, "/pack"); + safe_create_dir(path, 1); + strcpy(path+len, "/info"); + safe_create_dir(path, 1); + + if (shared_repository) { + char buf[10]; + /* We do not spell "group" and such, so that + * the configuration can be read by older version + * of git. Note, we use octal numbers for new share modes, + * and compatibility values for PERM_GROUP and + * PERM_EVERYBODY. + */ + if (shared_repository == PERM_GROUP) + sprintf(buf, "%d", OLD_PERM_GROUP); + else if (shared_repository == PERM_EVERYBODY) + sprintf(buf, "%d", OLD_PERM_EVERYBODY); + else + sprintf(buf, "0%o", shared_repository); + git_config_set("core.sharedrepository", buf); + git_config_set("receive.denyNonFastforwards", "true"); + } + + if (!(flags & INIT_DB_QUIET)) + printf("%s%s Git repository in %s/\n", + reinit ? "Reinitialized existing" : "Initialized empty", + shared_repository ? " shared" : "", + get_git_dir()); + + return 0; +} + +static int guess_repository_type(const char *git_dir) { char cwd[PATH_MAX]; const char *slash; - if (0 <= is_bare_repository_cfg) - return; - if (!git_dir) - return; - /* * "GIT_DIR=. git init" is always bare. * "GIT_DIR=`pwd` git init" too. */ if (!strcmp(".", git_dir)) - goto force_bare; + return 1; if (!getcwd(cwd, sizeof(cwd))) die("cannot tell cwd"); if (!strcmp(git_dir, cwd)) - goto force_bare; + return 1; /* * "GIT_DIR=.git or GIT_DIR=something/.git is usually not. */ if (!strcmp(git_dir, ".git")) - return; + return 0; slash = strrchr(git_dir, '/'); if (slash && !strcmp(slash, "/.git")) - return; + return 0; /* * Otherwise it is often bare. At this point * we are just guessing. */ - force_bare: - is_bare_repository_cfg = 1; - return; + return 1; } static const char init_db_usage[] = -"git-init [-q | --quiet] [--template=<template-directory>] [--shared]"; +"git-init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]]"; /* * If you want to, you can share the DB area with any number of branches. @@ -322,22 +375,25 @@ static const char init_db_usage[] = int cmd_init_db(int argc, const char **argv, const char *prefix) { const char *git_dir; - const char *sha1_dir; const char *template_dir = NULL; - char *path; - int len, i, reinit; - int quiet = 0; + unsigned int flags = 0; + int i; for (i = 1; i < argc; i++, argv++) { const char *arg = argv[1]; if (!prefixcmp(arg, "--template=")) template_dir = arg+11; - else if (!strcmp(arg, "--shared")) + else if (!strcmp(arg, "--bare")) { + static char git_dir[PATH_MAX+1]; + is_bare_repository_cfg = 1; + setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, + sizeof(git_dir)), 0); + } else if (!strcmp(arg, "--shared")) shared_repository = PERM_GROUP; else if (!prefixcmp(arg, "--shared=")) shared_repository = git_config_perm("arg", arg+9); else if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) - quiet = 1; + flags |= INIT_DB_QUIET; else usage(init_db_usage); } @@ -354,71 +410,35 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) GIT_WORK_TREE_ENVIRONMENT, GIT_DIR_ENVIRONMENT); - guess_repository_type(git_dir); - - if (is_bare_repository_cfg <= 0) { - git_work_tree_cfg = xcalloc(PATH_MAX, 1); - if (!getcwd(git_work_tree_cfg, PATH_MAX)) - die ("Cannot access current working directory."); - if (access(get_git_work_tree(), X_OK)) - die ("Cannot access work tree '%s'", - get_git_work_tree()); - } - /* * Set up the default .git directory contents */ - git_dir = getenv(GIT_DIR_ENVIRONMENT); if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; - safe_create_dir(git_dir, 0); - - /* Check to see if the repository version is right. - * Note that a newly created repository does not have - * config file, so this will not fail. What we are catching - * is an attempt to reinitialize new repository with an old tool. - */ - check_repository_format(); - - reinit = create_default_files(git_dir, template_dir); - /* - * And set up the object store. - */ - sha1_dir = get_object_directory(); - len = strlen(sha1_dir); - path = xmalloc(len + 40); - memcpy(path, sha1_dir, len); - - safe_create_dir(sha1_dir, 1); - strcpy(path+len, "/pack"); - safe_create_dir(path, 1); - strcpy(path+len, "/info"); - safe_create_dir(path, 1); - - if (shared_repository) { - char buf[10]; - /* We do not spell "group" and such, so that - * the configuration can be read by older version - * of git. Note, we use octal numbers for new share modes, - * and compatibility values for PERM_GROUP and - * PERM_EVERYBODY. - */ - if (shared_repository == PERM_GROUP) - sprintf(buf, "%d", OLD_PERM_GROUP); - else if (shared_repository == PERM_EVERYBODY) - sprintf(buf, "%d", OLD_PERM_EVERYBODY); - else - sprintf(buf, "0%o", shared_repository); - git_config_set("core.sharedrepository", buf); - git_config_set("receive.denyNonFastforwards", "true"); + if (is_bare_repository_cfg < 0) + is_bare_repository_cfg = guess_repository_type(git_dir); + + if (!is_bare_repository_cfg) { + if (git_dir) { + const char *git_dir_parent = strrchr(git_dir, '/'); + if (git_dir_parent) { + char *rel = xstrndup(git_dir, git_dir_parent - git_dir); + git_work_tree_cfg = xstrdup(make_absolute_path(rel)); + free(rel); + } + } + if (!git_work_tree_cfg) { + git_work_tree_cfg = xcalloc(PATH_MAX, 1); + if (!getcwd(git_work_tree_cfg, PATH_MAX)) + die ("Cannot access current working directory."); + } + if (access(get_git_work_tree(), X_OK)) + die ("Cannot access work tree '%s'", + get_git_work_tree()); } - if (!quiet) - printf("%s%s Git repository in %s/\n", - reinit ? "Reinitialized existing" : "Initialized empty", - shared_repository ? " shared" : "", - git_dir); + set_git_dir(make_absolute_path(git_dir)); - return 0; + return init_db(template_dir, flags); } diff --git a/builtin-log.c b/builtin-log.c index 9d046b2e03..430d87661e 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -18,6 +18,9 @@ #include "run-command.h" #include "shortlog.h" +/* Set a default date-time format for git log ("log.date" config variable) */ +static const char *default_date_mode = NULL; + static int default_show_root = 1; static const char *fmt_patch_subject_prefix = "PATCH"; static const char *fmt_pretty; @@ -61,7 +64,12 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix, DIFF_OPT_SET(&rev->diffopt, RECURSIVE); rev->show_root_diff = default_show_root; rev->subject_prefix = fmt_patch_subject_prefix; + + if (default_date_mode) + rev->date_mode = parse_date_format(default_date_mode); + argc = setup_revisions(argc, argv, rev, "HEAD"); + if (rev->diffopt.pickaxe || rev->diffopt.filter) rev->always_show_header = 0; if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) { @@ -222,28 +230,26 @@ static int cmd_log_walk(struct rev_info *rev) return 0; } -static int git_log_config(const char *var, const char *value) +static int git_log_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "format.pretty")) return git_config_string(&fmt_pretty, var, value); - if (!strcmp(var, "format.subjectprefix")) { - if (!value) - config_error_nonbool(var); - fmt_patch_subject_prefix = xstrdup(value); - return 0; - } + if (!strcmp(var, "format.subjectprefix")) + return git_config_string(&fmt_patch_subject_prefix, var, value); + if (!strcmp(var, "log.date")) + return git_config_string(&default_date_mode, var, value); if (!strcmp(var, "log.showroot")) { default_show_root = git_config_bool(var, value); return 0; } - return git_diff_ui_config(var, value); + return git_diff_ui_config(var, value, cb); } int cmd_whatchanged(int argc, const char **argv, const char *prefix) { struct rev_info rev; - git_config(git_log_config); + git_config(git_log_config, NULL); if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; @@ -319,7 +325,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) struct object_array_entry *objects; int i, count, ret = 0; - git_config(git_log_config); + git_config(git_log_config, NULL); if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; @@ -350,7 +356,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) t->tag, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); ret = show_object(o->sha1, 1, &rev); - objects[i].item = (struct object *)t->tagged; + objects[i].item = parse_object(t->tagged->sha1); i--; break; } @@ -383,7 +389,7 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix) { struct rev_info rev; - git_config(git_log_config); + git_config(git_log_config, NULL); if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; @@ -416,7 +422,7 @@ int cmd_log(int argc, const char **argv, const char *prefix) { struct rev_info rev; - git_config(git_log_config); + git_config(git_log_config, NULL); if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; @@ -471,7 +477,7 @@ static void add_header(const char *value) extra_hdr[extra_hdr_nr++] = xstrndup(value, len); } -static int git_format_config(const char *var, const char *value) +static int git_format_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "format.headers")) { if (!value) @@ -479,12 +485,8 @@ static int git_format_config(const char *var, const char *value) add_header(value); return 0; } - if (!strcmp(var, "format.suffix")) { - if (!value) - return config_error_nonbool(var); - fmt_patch_suffix = xstrdup(value); - return 0; - } + if (!strcmp(var, "format.suffix")) + return git_config_string(&fmt_patch_suffix, var, value); if (!strcmp(var, "format.cc")) { if (!value) return config_error_nonbool(var); @@ -504,7 +506,7 @@ static int git_format_config(const char *var, const char *value) return 0; } - return git_log_config(var, value); + return git_log_config(var, value, cb); } @@ -771,7 +773,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) char *add_signoff = NULL; struct strbuf buf; - git_config(git_format_config); + git_config(git_format_config, NULL); init_revisions(&rev, prefix); rev.commit_format = CMIT_FMT_EMAIL; rev.verbose_header = 1; diff --git a/builtin-ls-files.c b/builtin-ls-files.c index dc7eab89b3..75ba42246e 100644 --- a/builtin-ls-files.c +++ b/builtin-ls-files.c @@ -437,7 +437,7 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix) memset(&dir, 0, sizeof(dir)); if (prefix) prefix_offset = strlen(prefix); - git_config(git_default_config); + git_config(git_default_config, NULL); for (i = 1; i < argc; i++) { const char *arg = argv[i]; diff --git a/builtin-ls-tree.c b/builtin-ls-tree.c index 7abe333ce9..f4a75ddbc3 100644 --- a/builtin-ls-tree.c +++ b/builtin-ls-tree.c @@ -122,7 +122,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) unsigned char sha1[20]; struct tree *tree; - git_config(git_default_config); + git_config(git_default_config, NULL); ls_tree_prefix = prefix; if (prefix && *prefix) chomp_prefix = strlen(prefix); diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c index 11f154b31f..fa6e8f90a4 100644 --- a/builtin-mailinfo.c +++ b/builtin-mailinfo.c @@ -434,6 +434,7 @@ static int read_one_header_line(char *line, int sz, FILE *in) static int decode_q_segment(char *in, char *ot, unsigned otsize, char *ep, int rfc2047) { + char *otbegin = ot; char *otend = ot + otsize; int c; while ((c = *in++) != 0 && (in <= ep)) { @@ -453,13 +454,14 @@ static int decode_q_segment(char *in, char *ot, unsigned otsize, char *ep, int r *ot++ = c; } *ot = 0; - return 0; + return (ot - otbegin); } static int decode_b_segment(char *in, char *ot, unsigned otsize, char *ep) { /* Decode in..ep, possibly in-place to ot */ int c, pos = 0, acc = 0; + char *otbegin = ot; char *otend = ot + otsize; while ((c = *in++) != 0 && (in <= ep)) { @@ -505,7 +507,7 @@ static int decode_b_segment(char *in, char *ot, unsigned otsize, char *ep) } } *ot = 0; - return 0; + return (ot - otbegin); } /* @@ -623,25 +625,24 @@ static void decode_header(char *it, unsigned itsize) convert_to_utf8(it, itsize, ""); } -static void decode_transfer_encoding(char *line, unsigned linesize) +static int decode_transfer_encoding(char *line, unsigned linesize, int inputlen) { char *ep; switch (transfer_encoding) { case TE_QP: - ep = line + strlen(line); - decode_q_segment(line, line, linesize, ep, 0); - break; + ep = line + inputlen; + return decode_q_segment(line, line, linesize, ep, 0); case TE_BASE64: - ep = line + strlen(line); - decode_b_segment(line, line, linesize, ep); - break; + ep = line + inputlen; + return decode_b_segment(line, line, linesize, ep); case TE_DONTCARE: - break; + default: + return inputlen; } } -static int handle_filter(char *line, unsigned linesize); +static int handle_filter(char *line, unsigned linesize, int linelen); static int find_boundary(void) { @@ -669,7 +670,7 @@ again: "can't recover\n"); exit(1); } - handle_filter(newline, sizeof(newline)); + handle_filter(newline, sizeof(newline), strlen(newline)); /* skip to the next boundary */ if (!find_boundary()) @@ -759,14 +760,14 @@ static int handle_commit_msg(char *line, unsigned linesize) return 0; } -static int handle_patch(char *line) +static int handle_patch(char *line, int len) { - fputs(line, patchfile); + fwrite(line, 1, len, patchfile); patch_lines++; return 0; } -static int handle_filter(char *line, unsigned linesize) +static int handle_filter(char *line, unsigned linesize, int linelen) { static int filter = 0; @@ -779,7 +780,7 @@ static int handle_filter(char *line, unsigned linesize) break; filter++; case 1: - if (!handle_patch(line)) + if (!handle_patch(line, linelen)) break; filter++; default: @@ -794,6 +795,7 @@ static void handle_body(void) int rc = 0; static char newline[2000]; static char *np = newline; + int len = strlen(line); /* Skip up to the first boundary */ if (content_top->boundary) { @@ -805,16 +807,20 @@ static void handle_body(void) /* process any boundary lines */ if (content_top->boundary && is_multipart_boundary(line)) { /* flush any leftover */ - if ((transfer_encoding == TE_BASE64) && - (np != newline)) { - handle_filter(newline, sizeof(newline)); - } + if (np != newline) + handle_filter(newline, sizeof(newline), + np - newline); if (!handle_boundary()) return; + len = strlen(line); } /* Unwrap transfer encoding */ - decode_transfer_encoding(line, sizeof(line)); + len = decode_transfer_encoding(line, sizeof(line), len); + if (len < 0) { + error("Malformed input line"); + return; + } switch (transfer_encoding) { case TE_BASE64: @@ -824,39 +830,40 @@ static void handle_body(void) /* binary data most likely doesn't have newlines */ if (message_type != TYPE_TEXT) { - rc = handle_filter(line, sizeof(newline)); + rc = handle_filter(line, sizeof(line), len); break; } - /* this is a decoded line that may contain + /* + * This is a decoded line that may contain * multiple new lines. Pass only one chunk * at a time to handle_filter() */ - do { - while (*op != '\n' && *op != 0) + while (op < line + len && *op != '\n') *np++ = *op++; *np = *op; if (*np != 0) { /* should be sitting on a new line */ *(++np) = 0; op++; - rc = handle_filter(newline, sizeof(newline)); + rc = handle_filter(newline, sizeof(newline), np - newline); np = newline; } - } while (*op != 0); - /* the partial chunk is saved in newline and - * will be appended by the next iteration of fgets + } while (op < line + len); + /* + * The partial chunk is saved in newline and will be + * appended by the next iteration of read_line_with_nul(). */ break; } default: - rc = handle_filter(line, sizeof(newline)); + rc = handle_filter(line, sizeof(line), len); } if (rc) /* nothing left to filter */ break; - } while (fgets(line, sizeof(line), fin)); + } while ((len = read_line_with_nul(line, sizeof(line), fin))); return; } @@ -962,7 +969,7 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix) /* NEEDSWORK: might want to do the optional .git/ directory * discovery */ - git_config(git_default_config); + git_config(git_default_config, NULL); def_charset = (git_commit_encoding ? git_commit_encoding : "utf-8"); metainfo_charset = def_charset; diff --git a/builtin-mailsplit.c b/builtin-mailsplit.c index 46b27cdaea..ae2b4cb21b 100644 --- a/builtin-mailsplit.c +++ b/builtin-mailsplit.c @@ -45,6 +45,24 @@ static int is_from_line(const char *line, int len) /* Could be as small as 64, enough to hold a Unix "From " line. */ static char buf[4096]; +/* We cannot use fgets() because our lines can contain NULs */ +int read_line_with_nul(char *buf, int size, FILE *in) +{ + int len = 0, c; + + for (;;) { + c = getc(in); + if (c == EOF) + break; + buf[len++] = c; + if (c == '\n' || len + 1 >= size) + break; + } + buf[len] = '\0'; + + return len; +} + /* Called with the first line (potentially partial) * already in buf[] -- normally that should begin with * the Unix "From " line. Write it into the specified @@ -70,19 +88,19 @@ static int split_one(FILE *mbox, const char *name, int allow_bare) * "From " and having something that looks like a date format. */ for (;;) { - int is_partial = (buf[len-1] != '\n'); + int is_partial = len && buf[len-1] != '\n'; - if (fputs(buf, output) == EOF) + if (fwrite(buf, 1, len, output) != len) die("cannot write output"); - if (fgets(buf, sizeof(buf), mbox) == NULL) { + len = read_line_with_nul(buf, sizeof(buf), mbox); + if (len == 0) { if (feof(mbox)) { status = 1; break; } die("cannot read mbox"); } - len = strlen(buf); if (!is_partial && !is_bare && is_from_line(buf, len)) break; /* done with one message */ } diff --git a/builtin-merge-base.c b/builtin-merge-base.c index 0108e22ade..bcf9395aaf 100644 --- a/builtin-merge-base.c +++ b/builtin-merge-base.c @@ -28,7 +28,7 @@ int cmd_merge_base(int argc, const char **argv, const char *prefix) unsigned char rev1key[20], rev2key[20]; int show_all = 0; - git_config(git_default_config); + git_config(git_default_config, NULL); while (1 < argc && argv[1][0] == '-') { const char *arg = argv[1]; diff --git a/builtin-merge-recursive.c b/builtin-merge-recursive.c index 46e636fdcf..43bf6aa45e 100644 --- a/builtin-merge-recursive.c +++ b/builtin-merge-recursive.c @@ -481,15 +481,6 @@ static char *unique_path(const char *path, const char *branch) return newpath; } -static int mkdir_p(const char *path, unsigned long mode) -{ - /* path points to cache entries, so xstrdup before messing with it */ - char *buf = xstrdup(path); - int result = safe_create_leading_directories(buf); - free(buf); - return result; -} - static void flush_buffer(int fd, const char *buf, unsigned long size) { while (size > 0) { @@ -512,7 +503,7 @@ static int make_room_for_path(const char *path) int status; const char *msg = "failed to create path '%s'%s"; - status = mkdir_p(path, 0777); + status = safe_create_leading_directories_const(path); if (status) { if (status == -3) { /* something else exists */ @@ -555,9 +546,19 @@ static void update_file_flags(const unsigned char *sha, die("cannot read object %s '%s'", sha1_to_hex(sha), path); if (type != OBJ_BLOB) die("blob expected for %s '%s'", sha1_to_hex(sha), path); + if (S_ISREG(mode)) { + struct strbuf strbuf; + strbuf_init(&strbuf, 0); + if (convert_to_working_tree(path, buf, size, &strbuf)) { + free(buf); + size = strbuf.len; + buf = strbuf_detach(&strbuf, NULL); + } + } if (make_room_for_path(path) < 0) { update_wd = 0; + free(buf); goto update_index; } if (S_ISREG(mode) || (!has_symlinks && S_ISLNK(mode))) { @@ -573,13 +574,14 @@ static void update_file_flags(const unsigned char *sha, close(fd); } else if (S_ISLNK(mode)) { char *lnk = xmemdupz(buf, size); - mkdir_p(path, 0777); + safe_create_leading_directories_const(path); unlink(path); symlink(lnk, path); free(lnk); } else die("do not know what to do with %06o %s '%s'", mode, sha1_to_hex(sha), path); + free(buf); } update_index: if (update_cache) @@ -1340,7 +1342,7 @@ static struct commit *get_ref(const char *ref) return (struct commit *)object; } -static int merge_config(const char *var, const char *value) +static int merge_config(const char *var, const char *value, void *cb) { if (!strcasecmp(var, "merge.verbosity")) { verbosity = git_config_int(var, value); @@ -1354,7 +1356,7 @@ static int merge_config(const char *var, const char *value) merge_rename_limit = git_config_int(var, value); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } int cmd_merge_recursive(int argc, const char **argv, const char *prefix) @@ -1375,7 +1377,7 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix) subtree_merge = 1; } - git_config(merge_config); + git_config(merge_config, NULL); if (getenv("GIT_MERGE_VERBOSITY")) verbosity = strtol(getenv("GIT_MERGE_VERBOSITY"), NULL, 10); diff --git a/builtin-mv.c b/builtin-mv.c index 94f6dd2aad..5530e11b89 100644 --- a/builtin-mv.c +++ b/builtin-mv.c @@ -81,7 +81,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix) struct path_list deleted = {NULL, 0, 0, 0}; struct path_list changed = {NULL, 0, 0, 0}; - git_config(git_default_config); + git_config(git_default_config, NULL); newfd = hold_locked_index(&lock_file, 1); if (read_cache() < 0) @@ -256,7 +256,8 @@ int cmd_mv(int argc, const char **argv, const char *prefix) for (i = 0; i < added.nr; i++) { const char *path = added.items[i].path; - add_file_to_cache(path, verbose); + if (add_file_to_cache(path, verbose ? ADD_CACHE_VERBOSE : 0)) + die("updating index entries failed"); } for (i = 0; i < deleted.nr; i++) diff --git a/builtin-name-rev.c b/builtin-name-rev.c index 384da4db13..f153da012f 100644 --- a/builtin-name-rev.c +++ b/builtin-name-rev.c @@ -195,7 +195,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) OPT_END(), }; - git_config(git_default_config); + git_config(git_default_config, NULL); argc = parse_options(argc, argv, opts, name_rev_usage, 0); if (!!all + !!transform_stdin + !!argc > 1) { error("Specify either a list, or --all, not both!"); @@ -280,9 +280,13 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) int i, max; max = get_max_object_index(); - for (i = 0; i < max; i++) - show_name(get_indexed_object(i), NULL, + for (i = 0; i < max; i++) { + struct object *obj = get_indexed_object(i); + if (!obj) + continue; + show_name(obj, NULL, always, allow_undefined, data.name_only); + } } else { int i; for (i = 0; i < revs.nr; i++) diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 777f272668..2dadec1630 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -28,7 +28,8 @@ git-pack-objects [{ -q | --progress | --all-progress }] \n\ [--window=N] [--window-memory=N] [--depth=N] \n\ [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset] \n\ [--threads=N] [--non-empty] [--revs [--unpacked | --all]*] [--reflog] \n\ - [--stdout | base-name] [--include-tag] [--keep-unreachable] \n\ + [--stdout | base-name] [--include-tag] \n\ + [--keep-unreachable | --unpack-unreachable] \n\ [<ref-list | <object-list]"; struct object_entry { @@ -43,6 +44,7 @@ struct object_entry { */ void *delta_data; /* cached delta (uncompressed) */ unsigned long delta_size; /* delta data size (uncompressed) */ + unsigned long z_delta_size; /* delta data size (compressed) */ unsigned int hash; /* name hint hash */ enum object_type type; enum object_type in_pack_type; /* could be delta */ @@ -65,7 +67,8 @@ static struct pack_idx_entry **written_list; static uint32_t nr_objects, nr_alloc, nr_result, nr_written; static int non_empty; -static int no_reuse_delta, no_reuse_object, keep_unreachable, include_tag; +static int reuse_delta = 1, reuse_object = 1; +static int keep_unreachable, unpack_unreachable, include_tag; static int local; static int incremental; static int allow_ofs_delta; @@ -102,24 +105,53 @@ static uint32_t written, written_delta; static uint32_t reused, reused_delta; -static void *delta_against(void *buf, unsigned long size, struct object_entry *entry) +static void *get_delta(struct object_entry *entry) { - unsigned long othersize, delta_size; + unsigned long size, base_size, delta_size; + void *buf, *base_buf, *delta_buf; enum object_type type; - void *otherbuf = read_sha1_file(entry->delta->idx.sha1, &type, &othersize); - void *delta_buf; - if (!otherbuf) + buf = read_sha1_file(entry->idx.sha1, &type, &size); + if (!buf) + die("unable to read %s", sha1_to_hex(entry->idx.sha1)); + base_buf = read_sha1_file(entry->delta->idx.sha1, &type, &base_size); + if (!base_buf) die("unable to read %s", sha1_to_hex(entry->delta->idx.sha1)); - delta_buf = diff_delta(otherbuf, othersize, + delta_buf = diff_delta(base_buf, base_size, buf, size, &delta_size, 0); - if (!delta_buf || delta_size != entry->delta_size) + if (!delta_buf || delta_size != entry->delta_size) die("delta size changed"); - free(buf); - free(otherbuf); + free(buf); + free(base_buf); return delta_buf; } +static unsigned long do_compress(void **pptr, unsigned long size) +{ + z_stream stream; + void *in, *out; + unsigned long maxsize; + + memset(&stream, 0, sizeof(stream)); + deflateInit(&stream, pack_compression_level); + maxsize = deflateBound(&stream, size); + + in = *pptr; + out = xmalloc(maxsize); + *pptr = out; + + stream.next_in = in; + stream.avail_in = size; + stream.next_out = out; + stream.avail_out = maxsize; + while (deflate(&stream, Z_FINISH) == Z_OK) + ; /* nothing */ + deflateEnd(&stream); + + free(in); + return stream.total_out; +} + /* * The per-object header is a pretty dense thing, which is * - first byte: low four bits are "size", then three bits of "type", @@ -177,28 +209,6 @@ static int check_pack_inflate(struct packed_git *p, stream.total_in == len) ? 0 : -1; } -static int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, - off_t offset, off_t len, unsigned int nr) -{ - const uint32_t *index_crc; - uint32_t data_crc = crc32(0, Z_NULL, 0); - - do { - unsigned int avail; - void *data = use_pack(p, w_curs, offset, &avail); - if (avail > len) - avail = len; - data_crc = crc32(data_crc, data, avail); - offset += avail; - len -= avail; - } while (len); - - index_crc = p->index_data; - index_crc += 2 + 256 + p->num_objects * (20/4) + nr; - - return data_crc != ntohl(*index_crc); -} - static void copy_pack_data(struct sha1file *f, struct packed_git *p, struct pack_window **w_curs, @@ -222,42 +232,42 @@ static unsigned long write_object(struct sha1file *f, struct object_entry *entry, off_t write_offset) { - unsigned long size; - enum object_type type; + unsigned long size, limit, datalen; void *buf; - unsigned char header[10]; - unsigned char dheader[10]; + unsigned char header[10], dheader[10]; unsigned hdrlen; - off_t datalen; - enum object_type obj_type; - int to_reuse = 0; - /* write limit if limited packsize and not first object */ - unsigned long limit = pack_size_limit && nr_written ? - pack_size_limit - write_offset : 0; - /* no if no delta */ - int usable_delta = !entry->delta ? 0 : - /* yes if unlimited packfile */ - !pack_size_limit ? 1 : - /* no if base written to previous pack */ - entry->delta->idx.offset == (off_t)-1 ? 0 : - /* otherwise double-check written to this - * pack, like we do below - */ - entry->delta->idx.offset ? 1 : 0; + enum object_type type; + int usable_delta, to_reuse; if (!pack_to_stdout) crc32_begin(f); - obj_type = entry->type; - if (no_reuse_object) + type = entry->type; + + /* write limit if limited packsize and not first object */ + limit = pack_size_limit && nr_written ? + pack_size_limit - write_offset : 0; + + if (!entry->delta) + usable_delta = 0; /* no delta */ + else if (!pack_size_limit) + usable_delta = 1; /* unlimited packfile */ + else if (entry->delta->idx.offset == (off_t)-1) + usable_delta = 0; /* base was written to another pack */ + else if (entry->delta->idx.offset) + usable_delta = 1; /* base already exists in this pack */ + else + usable_delta = 0; /* base could end up in another pack */ + + if (!reuse_object) to_reuse = 0; /* explicit */ else if (!entry->in_pack) to_reuse = 0; /* can't reuse what we don't have */ - else if (obj_type == OBJ_REF_DELTA || obj_type == OBJ_OFS_DELTA) + else if (type == OBJ_REF_DELTA || type == OBJ_OFS_DELTA) /* check_object() decided it for us ... */ to_reuse = usable_delta; /* ... but pack split may override that */ - else if (obj_type != entry->in_pack_type) + else if (type != entry->in_pack_type) to_reuse = 0; /* pack has delta which is unusable */ else if (entry->delta) to_reuse = 0; /* we want to pack afresh */ @@ -267,50 +277,42 @@ static unsigned long write_object(struct sha1file *f, */ if (!to_reuse) { - z_stream stream; - unsigned long maxsize; - void *out; if (!usable_delta) { - buf = read_sha1_file(entry->idx.sha1, &obj_type, &size); + buf = read_sha1_file(entry->idx.sha1, &type, &size); if (!buf) die("unable to read %s", sha1_to_hex(entry->idx.sha1)); + /* + * make sure no cached delta data remains from a + * previous attempt before a pack split occured. + */ + free(entry->delta_data); + entry->delta_data = NULL; + entry->z_delta_size = 0; } else if (entry->delta_data) { size = entry->delta_size; buf = entry->delta_data; entry->delta_data = NULL; - obj_type = (allow_ofs_delta && entry->delta->idx.offset) ? + type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; } else { - buf = read_sha1_file(entry->idx.sha1, &type, &size); - if (!buf) - die("unable to read %s", sha1_to_hex(entry->idx.sha1)); - buf = delta_against(buf, size, entry); + buf = get_delta(entry); size = entry->delta_size; - obj_type = (allow_ofs_delta && entry->delta->idx.offset) ? + type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; } - /* compress the data to store and put compressed length in datalen */ - memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, pack_compression_level); - maxsize = deflateBound(&stream, size); - out = xmalloc(maxsize); - /* Compress it */ - stream.next_in = buf; - stream.avail_in = size; - stream.next_out = out; - stream.avail_out = maxsize; - while (deflate(&stream, Z_FINISH) == Z_OK) - /* nothing */; - deflateEnd(&stream); - datalen = stream.total_out; + + if (entry->z_delta_size) + datalen = entry->z_delta_size; + else + datalen = do_compress(&buf, size); /* * The object header is a byte of 'type' followed by zero or * more bytes of length. */ - hdrlen = encode_header(obj_type, size, header); + hdrlen = encode_header(type, size, header); - if (obj_type == OBJ_OFS_DELTA) { + if (type == OBJ_OFS_DELTA) { /* * Deltas with relative base contain an additional * encoding of the relative offset for the delta @@ -322,20 +324,18 @@ static unsigned long write_object(struct sha1file *f, while (ofs >>= 7) dheader[--pos] = 128 | (--ofs & 127); if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) { - free(out); free(buf); return 0; } sha1write(f, header, hdrlen); sha1write(f, dheader + pos, sizeof(dheader) - pos); hdrlen += sizeof(dheader) - pos; - } else if (obj_type == OBJ_REF_DELTA) { + } else if (type == OBJ_REF_DELTA) { /* * Deltas with a base reference contain * an additional 20 bytes for the base sha1. */ if (limit && hdrlen + 20 + datalen + 20 >= limit) { - free(out); free(buf); return 0; } @@ -344,14 +344,12 @@ static unsigned long write_object(struct sha1file *f, hdrlen += 20; } else { if (limit && hdrlen + datalen + 20 >= limit) { - free(out); free(buf); return 0; } sha1write(f, header, hdrlen); } - sha1write(f, out, datalen); - free(out); + sha1write(f, buf, datalen); free(buf); } else { @@ -361,11 +359,11 @@ static unsigned long write_object(struct sha1file *f, off_t offset; if (entry->delta) { - obj_type = (allow_ofs_delta && entry->delta->idx.offset) ? + type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; reused_delta++; } - hdrlen = encode_header(obj_type, entry->size, header); + hdrlen = encode_header(type, entry->size, header); offset = entry->in_pack_offset; revidx = find_pack_revindex(p, offset); datalen = revidx[1].offset - offset; @@ -374,7 +372,7 @@ static unsigned long write_object(struct sha1file *f, die("bad packed object CRC for %s", sha1_to_hex(entry->idx.sha1)); offset += entry->in_pack_header_size; datalen -= entry->in_pack_header_size; - if (obj_type == OBJ_OFS_DELTA) { + if (type == OBJ_OFS_DELTA) { off_t ofs = entry->idx.offset - entry->delta->idx.offset; unsigned pos = sizeof(dheader) - 1; dheader[pos] = ofs & 127; @@ -385,7 +383,7 @@ static unsigned long write_object(struct sha1file *f, sha1write(f, header, hdrlen); sha1write(f, dheader + pos, sizeof(dheader) - pos); hdrlen += sizeof(dheader) - pos; - } else if (obj_type == OBJ_REF_DELTA) { + } else if (type == OBJ_REF_DELTA) { if (limit && hdrlen + 20 + datalen + 20 >= limit) return 0; sha1write(f, header, hdrlen); @@ -452,11 +450,10 @@ static void write_pack_file(void) struct sha1file *f; off_t offset, offset_one, last_obj_offset = 0; struct pack_header hdr; - int do_progress = progress >> pack_to_stdout; uint32_t nr_remaining = nr_result; time_t last_mtime = 0; - if (do_progress) + if (progress > pack_to_stdout) progress_state = start_progress("Writing objects", nr_result); written_list = xmalloc(nr_objects * sizeof(*written_list)); @@ -495,11 +492,14 @@ static void write_pack_file(void) * Did we write the wrong # entries in the header? * If so, rewrite it like in fast-import */ - if (pack_to_stdout || nr_written == nr_remaining) { - sha1close(f, sha1, 1); + if (pack_to_stdout) { + sha1close(f, sha1, CSUM_CLOSE); + } else if (nr_written == nr_remaining) { + sha1close(f, sha1, CSUM_FSYNC); } else { int fd = sha1close(f, NULL, 0); fixup_pack_header_footer(fd, sha1, pack_tmp_name, nr_written); + fsync_or_die(fd, pack_tmp_name); close(fd); } @@ -568,7 +568,8 @@ static void write_pack_file(void) free(written_list); stop_progress(&progress_state); if (written != nr_result) - die("wrote %u objects while expecting %u", written, nr_result); + die("wrote %"PRIu32" objects while expecting %"PRIu32, + written, nr_result); /* * We have scanned through [0 ... i). Since we have written * the correct number of objects, the remaining [i ... nr_objects) @@ -580,7 +581,8 @@ static void write_pack_file(void) j += !e->idx.offset && !e->preferred_base; } if (j) - die("wrote %u objects as expected but %u unwritten", written, j); + die("wrote %"PRIu32" objects as expected but %"PRIu32 + " unwritten", written, j); } static int locate_object_entry_hash(const unsigned char *sha1) @@ -1022,7 +1024,7 @@ static void check_object(struct object_entry *entry) unuse_pack(&w_curs); return; case OBJ_REF_DELTA: - if (!no_reuse_delta && !entry->preferred_base) + if (reuse_delta && !entry->preferred_base) base_ref = use_pack(p, &w_curs, entry->in_pack_offset + used, NULL); entry->in_pack_header_size = used + 20; @@ -1045,7 +1047,7 @@ static void check_object(struct object_entry *entry) die("delta base offset out of bound for %s", sha1_to_hex(entry->idx.sha1)); ofs = entry->in_pack_offset - ofs; - if (!no_reuse_delta && !entry->preferred_base) { + if (reuse_delta && !entry->preferred_base) { struct revindex_entry *revidx; revidx = find_pack_revindex(p, ofs); base_ref = nth_packed_object_sha1(p, revidx->nr); @@ -1126,8 +1128,6 @@ static void get_object_details(void) sorted_by_offset[i] = objects + i; qsort(sorted_by_offset, nr_objects, sizeof(*sorted_by_offset), pack_offset_sort); - init_pack_revindex(); - for (i = 0; i < nr_objects; i++) check_object(sorted_by_offset[i]); @@ -1233,7 +1233,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, * We do not bother to try a delta that we discarded * on an earlier try, but only when reusing delta data. */ - if (!no_reuse_delta && trg_entry->in_pack && + if (reuse_delta && trg_entry->in_pack && trg_entry->in_pack == src_entry->in_pack && trg_entry->in_pack_type != OBJ_REF_DELTA && trg_entry->in_pack_type != OBJ_OFS_DELTA) @@ -1441,11 +1441,34 @@ static void find_deltas(struct object_entry **list, unsigned *list_size, best_base = other_idx; } + /* + * If we decided to cache the delta data, then it is best + * to compress it right away. First because we have to do + * it anyway, and doing it here while we're threaded will + * save a lot of time in the non threaded write phase, + * as well as allow for caching more deltas within + * the same cache size limit. + * ... + * But only if not writing to stdout, since in that case + * the network is most likely throttling writes anyway, + * and therefore it is best to go to the write phase ASAP + * instead, as we can afford spending more time compressing + * between writes at that moment. + */ + if (entry->delta_data && !pack_to_stdout) { + entry->z_delta_size = do_compress(&entry->delta_data, + entry->delta_size); + cache_lock(); + delta_cache_size -= entry->delta_size; + delta_cache_size += entry->z_delta_size; + cache_unlock(); + } + /* if we made n a delta, and if n is already at max * depth, leaving it in the window is pointless. we * should evict it first. */ - if (entry->delta && depth <= n->depth) + if (entry->delta && max_depth <= n->depth) continue; /* @@ -1673,7 +1696,8 @@ static int add_ref_tag(const char *path, const unsigned char *sha1, int flag, vo static void prepare_pack(int window, int depth) { struct object_entry **delta_list; - uint32_t i, n, nr_deltas; + uint32_t i, nr_deltas; + unsigned n; get_object_details(); @@ -1688,7 +1712,7 @@ static void prepare_pack(int window, int depth) if (entry->delta) /* This happens if we decided to reuse existing - * delta from a pack. "!no_reuse_delta &&" is implied. + * delta from a pack. "reuse_delta &&" is implied. */ continue; @@ -1718,7 +1742,7 @@ static void prepare_pack(int window, int depth) free(delta_list); } -static int git_pack_config(const char *k, const char *v) +static int git_pack_config(const char *k, const char *v, void *cb) { if(!strcmp(k, "pack.window")) { window = git_config_int(k, v); @@ -1764,14 +1788,15 @@ static int git_pack_config(const char *k, const char *v) if (!strcmp(k, "pack.indexversion")) { pack_idx_default_version = git_config_int(k, v); if (pack_idx_default_version > 2) - die("bad pack.indexversion=%d", pack_idx_default_version); + die("bad pack.indexversion=%"PRIu32, + pack_idx_default_version); return 0; } if (!strcmp(k, "pack.packsizelimit")) { pack_size_limit_cfg = git_config_ulong(k, v); return 0; } - return git_default_config(k, v); + return git_default_config(k, v, cb); } static void read_object_list_from_stdin(void) @@ -1905,6 +1930,32 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs) free(in_pack.array); } +static void loosen_unused_packed_objects(struct rev_info *revs) +{ + struct packed_git *p; + uint32_t i; + const unsigned char *sha1; + + for (p = packed_git; p; p = p->next) { + for (i = 0; i < revs->num_ignore_packed; i++) { + if (matches_pack_name(p, revs->ignore_packed[i])) + break; + } + if (revs->num_ignore_packed <= i) + continue; + + if (open_pack_index(p)) + die("cannot open pack index"); + + for (i = 0; i < p->num_objects; i++) { + sha1 = nth_packed_object_sha1(p, i); + if (!locate_object_entry(sha1)) + if (force_object_loose(sha1, p->mtime)) + die("unable to force loose object"); + } + } +} + static void get_object_list(int ac, const char **av) { struct rev_info revs; @@ -1939,6 +1990,8 @@ static void get_object_list(int ac, const char **av) if (keep_unreachable) add_objects_in_unpacked_packs(&revs); + if (unpack_unreachable) + loosen_unused_packed_objects(&revs); } static int adjust_perm(const char *path, mode_t mode) @@ -1963,7 +2016,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) rp_av[1] = "--objects"; /* --thin will make it --objects-edge */ rp_ac = 2; - git_config(git_pack_config); + git_config(git_pack_config, NULL); if (!pack_compression_seen && core_compression_seen) pack_compression_level = core_compression_level; @@ -2050,11 +2103,11 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) continue; } if (!strcmp("--no-reuse-delta", arg)) { - no_reuse_delta = 1; + reuse_delta = 0; continue; } if (!strcmp("--no-reuse-object", arg)) { - no_reuse_object = no_reuse_delta = 1; + reuse_object = reuse_delta = 0; continue; } if (!strcmp("--delta-base-offset", arg)) { @@ -2073,6 +2126,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) keep_unreachable = 1; continue; } + if (!strcmp("--unpack-unreachable", arg)) { + unpack_unreachable = 1; + continue; + } if (!strcmp("--include-tag", arg)) { include_tag = 1; continue; @@ -2138,6 +2195,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) if (!pack_to_stdout && thin) die("--thin cannot be used to build an indexable pack."); + if (keep_unreachable && unpack_unreachable) + die("--keep-unreachable and --unpack-unreachable are incompatible."); + #ifdef THREADED_DELTA_SEARCH if (!delta_search_threads) /* --threads=0 means autodetect */ delta_search_threads = online_cpus(); @@ -2163,7 +2223,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) prepare_pack(window, depth); write_pack_file(); if (progress) - fprintf(stderr, "Total %u (delta %u), reused %u (delta %u)\n", + fprintf(stderr, "Total %"PRIu32" (delta %"PRIu32")," + " reused %"PRIu32" (delta %"PRIu32")\n", written, written_delta, reused, reused_delta); return 0; } diff --git a/builtin-pack-refs.c b/builtin-pack-refs.c index 1aaa76dd1f..ff90aefa1c 100644 --- a/builtin-pack-refs.c +++ b/builtin-pack-refs.c @@ -1,125 +1,6 @@ -#include "builtin.h" #include "cache.h" -#include "refs.h" -#include "object.h" -#include "tag.h" #include "parse-options.h" - -struct ref_to_prune { - struct ref_to_prune *next; - unsigned char sha1[20]; - char name[FLEX_ARRAY]; -}; - -#define PACK_REFS_PRUNE 0x0001 -#define PACK_REFS_ALL 0x0002 - -struct pack_refs_cb_data { - unsigned int flags; - struct ref_to_prune *ref_to_prune; - FILE *refs_file; -}; - -static int do_not_prune(int flags) -{ - /* If it is already packed or if it is a symref, - * do not prune it. - */ - return (flags & (REF_ISSYMREF|REF_ISPACKED)); -} - -static int handle_one_ref(const char *path, const unsigned char *sha1, - int flags, void *cb_data) -{ - struct pack_refs_cb_data *cb = cb_data; - int is_tag_ref; - - /* Do not pack the symbolic refs */ - if ((flags & REF_ISSYMREF)) - return 0; - is_tag_ref = !prefixcmp(path, "refs/tags/"); - - /* ALWAYS pack refs that were already packed or are tags */ - if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref && !(flags & REF_ISPACKED)) - return 0; - - fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path); - if (is_tag_ref) { - struct object *o = parse_object(sha1); - if (o->type == OBJ_TAG) { - o = deref_tag(o, path, 0); - if (o) - fprintf(cb->refs_file, "^%s\n", - sha1_to_hex(o->sha1)); - } - } - - if ((cb->flags & PACK_REFS_PRUNE) && !do_not_prune(flags)) { - int namelen = strlen(path) + 1; - struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen); - hashcpy(n->sha1, sha1); - strcpy(n->name, path); - n->next = cb->ref_to_prune; - cb->ref_to_prune = n; - } - return 0; -} - -/* make sure nobody touched the ref, and unlink */ -static void prune_ref(struct ref_to_prune *r) -{ - struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1); - - if (lock) { - unlink(git_path("%s", r->name)); - unlock_ref(lock); - } -} - -static void prune_refs(struct ref_to_prune *r) -{ - while (r) { - prune_ref(r); - r = r->next; - } -} - -static struct lock_file packed; - -static int pack_refs(unsigned int flags) -{ - int fd; - struct pack_refs_cb_data cbdata; - - memset(&cbdata, 0, sizeof(cbdata)); - cbdata.flags = flags; - - fd = hold_lock_file_for_update(&packed, git_path("packed-refs"), 1); - cbdata.refs_file = fdopen(fd, "w"); - if (!cbdata.refs_file) - die("unable to create ref-pack file structure (%s)", - strerror(errno)); - - /* perhaps other traits later as well */ - fprintf(cbdata.refs_file, "# pack-refs with: peeled \n"); - - for_each_ref(handle_one_ref, &cbdata); - if (ferror(cbdata.refs_file)) - die("failed to write ref-pack file"); - if (fflush(cbdata.refs_file) || fsync(fd) || fclose(cbdata.refs_file)) - die("failed to write ref-pack file (%s)", strerror(errno)); - /* - * Since the lock file was fdopen()'ed and then fclose()'ed above, - * assign -1 to the lock file descriptor so that commit_lock_file() - * won't try to close() it. - */ - packed.fd = -1; - if (commit_lock_file(&packed) < 0) - die("unable to overwrite old ref-pack file (%s)", strerror(errno)); - if (cbdata.flags & PACK_REFS_PRUNE) - prune_refs(cbdata.ref_to_prune); - return 0; -} +#include "pack-refs.h" static char const * const pack_refs_usage[] = { "git-pack-refs [options]", diff --git a/builtin-prune-packed.c b/builtin-prune-packed.c index 23faf3129f..241afbbab5 100644 --- a/builtin-prune-packed.c +++ b/builtin-prune-packed.c @@ -85,7 +85,6 @@ int cmd_prune_packed(int argc, const char **argv, const char *prefix) /* Handle arguments here .. */ usage(prune_packed_usage); } - sync(); prune_packed_objects(opts); return 0; } diff --git a/builtin-prune.c b/builtin-prune.c index 25f9304b82..bd3d2f67f3 100644 --- a/builtin-prune.c +++ b/builtin-prune.c @@ -156,7 +156,6 @@ int cmd_prune(int argc, const char **argv, const char *prefix) mark_reachable_objects(&revs, 1); prune_object_dir(get_object_directory()); - sync(); prune_packed_objects(show_only); remove_temporary_files(); return 0; diff --git a/builtin-read-tree.c b/builtin-read-tree.c index 7ac30883bc..5a09e17f1a 100644 --- a/builtin-read-tree.c +++ b/builtin-read-tree.c @@ -104,12 +104,10 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) opts.src_index = &the_index; opts.dst_index = &the_index; - git_config(git_default_config); + git_config(git_default_config, NULL); newfd = hold_locked_index(&lock_file, 1); - git_config(git_default_config); - for (i = 1; i < argc; i++) { const char *arg = argv[i]; diff --git a/builtin-reflog.c b/builtin-reflog.c index 280e24e151..b151e24ff9 100644 --- a/builtin-reflog.c +++ b/builtin-reflog.c @@ -307,6 +307,8 @@ static int expire_reflog(const char *ref, const unsigned char *sha1, int unused, unlink(newlog_path); } else if (cmd->updateref && commit_ref(lock)) { status |= error("Couldn't set %s", lock->ref_name); + } else { + adjust_shared_perm(log_file); } } free(newlog_path); @@ -329,7 +331,7 @@ static int collect_reflog(const char *ref, const unsigned char *sha1, int unused return 0; } -static int reflog_expire_config(const char *var, const char *value) +static int reflog_expire_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "gc.reflogexpire")) { if (!value) @@ -343,7 +345,7 @@ static int reflog_expire_config(const char *var, const char *value) default_reflog_expire_unreachable = approxidate(value); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) @@ -352,7 +354,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) unsigned long now = time(NULL); int i, status, do_all; - git_config(reflog_expire_config); + git_config(reflog_expire_config, NULL); save_commit_buffer = 0; do_all = status = 0; diff --git a/builtin-remote.c b/builtin-remote.c index 8b63619ef0..145dd8568c 100644 --- a/builtin-remote.c +++ b/builtin-remote.c @@ -153,7 +153,7 @@ struct branch_info { static struct path_list branch_list; -static int config_read_branches(const char *key, const char *value) +static int config_read_branches(const char *key, const char *value, void *cb) { if (!prefixcmp(key, "branch.")) { char *name; @@ -200,13 +200,12 @@ static void read_branches(void) { if (branch_list.nr) return; - git_config(config_read_branches); + git_config(config_read_branches, NULL); sort_path_list(&branch_list); } struct ref_states { struct remote *remote; - struct strbuf remote_prefix; struct path_list new, stale, tracked; }; @@ -262,35 +261,71 @@ static int get_ref_states(const struct ref *ref, struct ref_states *states) } free_refs(fetch_map); - strbuf_addf(&states->remote_prefix, - "refs/remotes/%s/", states->remote->name); for_each_ref(handle_one_branch, states); sort_path_list(&states->stale); return 0; } +struct known_remote { + struct known_remote *next; + struct remote *remote; +}; + +struct known_remotes { + struct remote *to_delete; + struct known_remote *list; +}; + +static int add_known_remote(struct remote *remote, void *cb_data) +{ + struct known_remotes *all = cb_data; + struct known_remote *r; + + if (!strcmp(all->to_delete->name, remote->name)) + return 0; + + r = xmalloc(sizeof(*r)); + r->remote = remote; + r->next = all->list; + all->list = r; + return 0; +} + struct branches_for_remote { - const char *prefix; + struct remote *remote; struct path_list *branches; + struct known_remotes *keep; }; static int add_branch_for_removal(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct branches_for_remote *branches = cb_data; + struct refspec refspec; + struct path_list_item *item; + struct known_remote *kr; - if (!prefixcmp(refname, branches->prefix)) { - struct path_list_item *item; + memset(&refspec, 0, sizeof(refspec)); + refspec.dst = (char *)refname; + if (remote_find_tracking(branches->remote, &refspec)) + return 0; + + /* don't delete a branch if another remote also uses it */ + for (kr = branches->keep->list; kr; kr = kr->next) { + memset(&refspec, 0, sizeof(refspec)); + refspec.dst = (char *)refname; + if (!remote_find_tracking(kr->remote, &refspec)) + return 0; + } - /* make sure that symrefs are deleted */ - if (flags & REF_ISSYMREF) - return unlink(git_path(refname)); + /* make sure that symrefs are deleted */ + if (flags & REF_ISSYMREF) + return unlink(git_path(refname)); - item = path_list_append(refname, branches->branches); - item->util = xmalloc(20); - hashcpy(item->util, sha1); - } + item = path_list_append(refname, branches->branches); + item->util = xmalloc(20); + hashcpy(item->util, sha1); return 0; } @@ -316,8 +351,9 @@ static int rm(int argc, const char **argv) }; struct remote *remote; struct strbuf buf; + struct known_remotes known_remotes = { NULL, NULL }; struct path_list branches = { NULL, 0, 0, 1 }; - struct branches_for_remote cb_data = { NULL, &branches }; + struct branches_for_remote cb_data = { NULL, &branches, &known_remotes }; int i; if (argc != 2) @@ -327,6 +363,9 @@ static int rm(int argc, const char **argv) if (!remote) die("No such remote: %s", argv[1]); + known_remotes.to_delete = remote; + for_each_remote(add_known_remote, &known_remotes); + strbuf_init(&buf, 0); strbuf_addf(&buf, "remote.%s", remote->name); if (git_config_rename_section(buf.buf, NULL) < 1) @@ -355,9 +394,7 @@ static int rm(int argc, const char **argv) * the branches one by one, since for_each_ref() relies on cached * refs, which are invalidated when deleting a branch. */ - strbuf_reset(&buf); - strbuf_addf(&buf, "refs/remotes/%s/", remote->name); - cb_data.prefix = buf.buf; + cb_data.remote = remote; i = for_each_ref(add_branch_for_removal, &cb_data); strbuf_release(&buf); @@ -382,69 +419,68 @@ static void show_list(const char *title, struct path_list *list) printf("\n"); } -static int show_or_prune(int argc, const char **argv, int prune) +static int get_remote_ref_states(const char *name, + struct ref_states *states, + int query) { - int dry_run = 0, result = 0; + struct transport *transport; + const struct ref *ref; + + states->remote = remote_get(name); + if (!states->remote) + return error("No such remote: %s", name); + + read_branches(); + + if (query) { + transport = transport_get(NULL, states->remote->url_nr > 0 ? + states->remote->url[0] : NULL); + ref = transport_get_remote_refs(transport); + transport_disconnect(transport); + + get_ref_states(ref, states); + } + + return 0; +} + +static int append_ref_to_tracked_list(const char *refname, + const unsigned char *sha1, int flags, void *cb_data) +{ + struct ref_states *states = cb_data; + struct refspec refspec; + + memset(&refspec, 0, sizeof(refspec)); + refspec.dst = (char *)refname; + if (!remote_find_tracking(states->remote, &refspec)) { + path_list_append(skip_prefix(refspec.src, "refs/heads/"), + &states->tracked); + } + + return 0; +} + +static int show(int argc, const char **argv) +{ + int no_query = 0, result = 0; struct option options[] = { OPT_GROUP("show specific options"), - OPT__DRY_RUN(&dry_run), + OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"), OPT_END() }; struct ref_states states; argc = parse_options(argc, argv, options, builtin_remote_usage, 0); - if (argc < 1) { - if (!prune) - return show_all(); - usage_with_options(builtin_remote_usage, options); - } + if (argc < 1) + return show_all(); memset(&states, 0, sizeof(states)); for (; argc; argc--, argv++) { - struct transport *transport; - const struct ref *ref; struct strbuf buf; - int i, got_states; - - states.remote = remote_get(*argv); - if (!states.remote) - return error("No such remote: %s", *argv); - transport = transport_get(NULL, states.remote->url_nr > 0 ? - states.remote->url[0] : NULL); - ref = transport_get_remote_refs(transport); - transport_disconnect(transport); - - read_branches(); - got_states = get_ref_states(ref, &states); - if (got_states) - result = error("Error getting local info for '%s'", - states.remote->name); - - if (prune) { - struct strbuf buf; - int prefix_len; - - strbuf_init(&buf, 0); - if (states.remote->fetch_refspec_nr == 1 && - states.remote->fetch->pattern && - !strcmp(states.remote->fetch->src, - states.remote->fetch->dst)) - /* handle --mirror remote */ - strbuf_addstr(&buf, "refs/heads/"); - else - strbuf_addf(&buf, "refs/remotes/%s/", *argv); - prefix_len = buf.len; - - for (i = 0; i < states.stale.nr; i++) { - strbuf_setlen(&buf, prefix_len); - strbuf_addstr(&buf, states.stale.items[i].path); - result |= delete_ref(buf.buf, NULL); - } + int i; - strbuf_release(&buf); - goto cleanup_states; - } + get_remote_ref_states(*argv, &states, !no_query); printf("* remote %s\n URL: %s\n", *argv, states.remote->url_nr > 0 ? @@ -466,17 +502,19 @@ static int show_or_prune(int argc, const char **argv, int prune) printf("\n"); } - if (got_states) - continue; - strbuf_init(&buf, 0); - strbuf_addf(&buf, " New remote branch%%s (next fetch will " - "store in remotes/%s)", states.remote->name); - show_list(buf.buf, &states.new); - strbuf_release(&buf); - show_list(" Stale tracking branch%s (use 'git remote prune')", - &states.stale); - show_list(" Tracked remote branch%s", - &states.tracked); + if (!no_query) { + strbuf_init(&buf, 0); + strbuf_addf(&buf, " New remote branch%%s (next fetch " + "will store in remotes/%s)", states.remote->name); + show_list(buf.buf, &states.new); + strbuf_release(&buf); + show_list(" Stale tracking branch%s (use 'git remote " + "prune')", &states.stale); + } + + if (no_query) + for_each_ref(append_ref_to_tracked_list, &states); + show_list(" Tracked remote branch%s", &states.tracked); if (states.remote->push_refspec_nr) { printf(" Local branch%s pushed with 'git push'\n ", @@ -491,7 +529,55 @@ static int show_or_prune(int argc, const char **argv, int prune) } printf("\n"); } -cleanup_states: + + /* NEEDSWORK: free remote */ + path_list_clear(&states.new, 0); + path_list_clear(&states.stale, 0); + path_list_clear(&states.tracked, 0); + } + + return result; +} + +static int prune(int argc, const char **argv) +{ + int dry_run = 0, result = 0; + struct option options[] = { + OPT_GROUP("prune specific options"), + OPT__DRY_RUN(&dry_run), + OPT_END() + }; + struct ref_states states; + + argc = parse_options(argc, argv, options, builtin_remote_usage, 0); + + if (argc < 1) + usage_with_options(builtin_remote_usage, options); + + memset(&states, 0, sizeof(states)); + for (; argc; argc--, argv++) { + int i; + + get_remote_ref_states(*argv, &states, 1); + + if (states.stale.nr) { + printf("Pruning %s\n", *argv); + printf("URL: %s\n", + states.remote->url_nr + ? states.remote->url[0] + : "(no URL)"); + } + + for (i = 0; i < states.stale.nr; i++) { + const char *refname = states.stale.items[i].util; + + if (!dry_run) + result |= delete_ref(refname, NULL); + + printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned", + skip_prefix(refname, "refs/remotes/")); + } + /* NEEDSWORK: free remote */ path_list_clear(&states.new, 0); path_list_clear(&states.stale, 0); @@ -514,7 +600,7 @@ struct remote_group { struct path_list *list; } remote_group; -static int get_remote_group(const char *key, const char *value) +static int get_remote_group(const char *key, const char *value, void *cb) { if (!prefixcmp(key, "remotes.") && !strcmp(key + 8, remote_group.name)) { @@ -546,7 +632,7 @@ static int update(int argc, const char **argv) remote_group.list = &list; for (i = 1; i < argc; i++) { remote_group.name = argv[i]; - result = git_config(get_remote_group); + result = git_config(get_remote_group, NULL); } if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default")) @@ -612,9 +698,9 @@ int cmd_remote(int argc, const char **argv, const char *prefix) else if (!strcmp(argv[0], "rm")) result = rm(argc, argv); else if (!strcmp(argv[0], "show")) - result = show_or_prune(argc, argv, 0); + result = show(argc, argv); else if (!strcmp(argv[0], "prune")) - result = show_or_prune(argc, argv, 1); + result = prune(argc, argv); else if (!strcmp(argv[0], "update")) result = update(argc, argv); else { diff --git a/builtin-rerere.c b/builtin-rerere.c index c607aade63..85222d9bc5 100644 --- a/builtin-rerere.c +++ b/builtin-rerere.c @@ -43,7 +43,7 @@ static void read_rr(struct path_list *rr) ; /* do nothing */ if (i == sizeof(buf)) die("filename too long"); - path_list_insert(buf, rr)->util = xstrdup(name); + path_list_insert(buf, rr)->util = name; } fclose(in); } @@ -339,7 +339,7 @@ tail_optimization: return write_rr(rr, fd); } -static int git_rerere_config(const char *var, const char *value) +static int git_rerere_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "gc.rerereresolved")) cutoff_resolve = git_config_int(var, value); @@ -348,7 +348,7 @@ static int git_rerere_config(const char *var, const char *value) else if (!strcmp(var, "rerere.enabled")) rerere_enabled = git_config_bool(var, value); else - return git_default_config(var, value); + return git_default_config(var, value, cb); return 0; } @@ -376,7 +376,7 @@ static int setup_rerere(struct path_list *merge_rr) { int fd; - git_config(git_rerere_config); + git_config(git_rerere_config, NULL); if (!is_rerere_enabled()) return -1; diff --git a/builtin-reset.c b/builtin-reset.c index 79424bb26e..a0321694c5 100644 --- a/builtin-reset.c +++ b/builtin-reset.c @@ -49,13 +49,14 @@ static inline int is_merge(void) return !access(git_path("MERGE_HEAD"), F_OK); } -static int reset_index_file(const unsigned char *sha1, int is_hard_reset) +static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int quiet) { int i = 0; const char *args[6]; args[i++] = "read-tree"; - args[i++] = "-v"; + if (!quiet) + args[i++] = "-v"; args[i++] = "--reset"; if (is_hard_reset) args[i++] = "-u"; @@ -182,19 +183,51 @@ int cmd_reset(int argc, const char **argv, const char *prefix) OPT_SET_INT(0, "hard", &reset_type, "reset HEAD, index and working tree", HARD), OPT_BOOLEAN('q', NULL, &quiet, - "disable showing new HEAD in hard reset"), + "disable showing new HEAD in hard reset and progress message"), OPT_END() }; - git_config(git_default_config); + git_config(git_default_config, NULL); argc = parse_options(argc, argv, options, git_reset_usage, PARSE_OPT_KEEP_DASHDASH); reflog_action = args_to_str(argv); setenv("GIT_REFLOG_ACTION", reflog_action, 0); - if (i < argc && strcmp(argv[i], "--")) - rev = argv[i++]; + /* + * Possible arguments are: + * + * git reset [-opts] <rev> <paths>... + * git reset [-opts] <rev> -- <paths>... + * git reset [-opts] -- <paths>... + * git reset [-opts] <paths>... + * + * At this point, argv[i] points immediately after [-opts]. + */ + + if (i < argc) { + if (!strcmp(argv[i], "--")) { + i++; /* reset to HEAD, possibly with paths */ + } else if (i + 1 < argc && !strcmp(argv[i+1], "--")) { + rev = argv[i]; + i += 2; + } + /* + * Otherwise, argv[i] could be either <rev> or <paths> and + * has to be unambigous. + */ + else if (!get_sha1(argv[i], sha1)) { + /* + * Ok, argv[i] looks like a rev; it should not + * be a filename. + */ + verify_non_filename(prefix, argv[i]); + rev = argv[i++]; + } else { + /* Otherwise we treat this as a filename */ + verify_filename(prefix, argv[i]); + } + } if (get_sha1(rev, sha1)) die("Failed to resolve '%s' as a valid ref.", rev); @@ -204,9 +237,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix) die("Could not parse object '%s'.", rev); hashcpy(sha1, commit->object.sha1); - if (i < argc && !strcmp(argv[i], "--")) - i++; - /* git reset tree [--] paths... can be used to * load chosen paths from the tree into the index without * affecting the working tree nor HEAD. */ @@ -231,7 +261,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (is_merge() || read_cache() < 0 || unmerged_cache()) die("Cannot do a soft reset in the middle of a merge."); } - else if (reset_index_file(sha1, (reset_type == HARD))) + else if (reset_index_file(sha1, (reset_type == HARD), quiet)) die("Could not reset index file to revision '%s'.", rev); /* Any resets update HEAD to the head being switched to, diff --git a/builtin-rev-list.c b/builtin-rev-list.c index edc0bd35bb..54b6672969 100644 --- a/builtin-rev-list.c +++ b/builtin-rev-list.c @@ -10,6 +10,7 @@ #include "list-objects.h" #include "builtin.h" #include "log-tree.h" +#include "graph.h" /* bits #0-15 in revision.h */ @@ -58,26 +59,31 @@ static const char *header_prefix; static void finish_commit(struct commit *commit); static void show_commit(struct commit *commit) { + graph_show_commit(revs.graph); + if (show_timestamp) printf("%lu ", commit->date); if (header_prefix) fputs(header_prefix, stdout); - if (commit->object.flags & BOUNDARY) - putchar('-'); - else if (commit->object.flags & UNINTERESTING) - putchar('^'); - else if (revs.left_right) { - if (commit->object.flags & SYMMETRIC_LEFT) - putchar('<'); - else - putchar('>'); + + if (!revs.graph) { + if (commit->object.flags & BOUNDARY) + putchar('-'); + else if (commit->object.flags & UNINTERESTING) + putchar('^'); + else if (revs.left_right) { + if (commit->object.flags & SYMMETRIC_LEFT) + putchar('<'); + else + putchar('>'); + } } if (revs.abbrev_commit && revs.abbrev) fputs(find_unique_abbrev(commit->object.sha1, revs.abbrev), stdout); else fputs(sha1_to_hex(commit->object.sha1), stdout); - if (revs.parents) { + if (revs.print_parents) { struct commit_list *parents = commit->parents; while (parents) { printf(" %s", sha1_to_hex(parents->item->object.sha1)); @@ -96,9 +102,48 @@ static void show_commit(struct commit *commit) pretty_print_commit(revs.commit_format, commit, &buf, revs.abbrev, NULL, NULL, revs.date_mode, 0); - if (buf.len) - printf("%s%c", buf.buf, hdr_termination); + if (revs.graph) { + if (buf.len) { + if (revs.commit_format != CMIT_FMT_ONELINE) + graph_show_oneline(revs.graph); + + graph_show_commit_msg(revs.graph, &buf); + + /* + * Add a newline after the commit message. + * + * Usually, this newline produces a blank + * padding line between entries, in which case + * we need to add graph padding on this line. + * + * However, the commit message may not end in a + * newline. In this case the newline simply + * ends the last line of the commit message, + * and we don't need any graph output. (This + * always happens with CMIT_FMT_ONELINE, and it + * happens with CMIT_FMT_USERFORMAT when the + * format doesn't explicitly end in a newline.) + */ + if (buf.len && buf.buf[buf.len - 1] == '\n') + graph_show_padding(revs.graph); + putchar('\n'); + } else { + /* + * If the message buffer is empty, just show + * the rest of the graph output for this + * commit. + */ + if (graph_show_remainder(revs.graph)) + putchar('\n'); + } + } else { + if (buf.len) + printf("%s%c", buf.buf, hdr_termination); + } strbuf_release(&buf); + } else { + if (graph_show_remainder(revs.graph)) + putchar('\n'); } maybe_flush_or_die(stdout, "stdout"); finish_commit(commit); @@ -520,23 +565,6 @@ static struct commit_list *find_bisection(struct commit_list *list, return best; } -static void read_revisions_from_stdin(struct rev_info *revs) -{ - char line[1000]; - - while (fgets(line, sizeof(line), stdin) != NULL) { - int len = strlen(line); - if (len && line[len - 1] == '\n') - line[--len] = 0; - if (!len) - break; - if (line[0] == '-') - die("options not supported in --stdin mode"); - if (handle_revision_arg(line, revs, 0, 1)) - die("bad revision '%s'", line); - } -} - int cmd_rev_list(int argc, const char **argv, const char *prefix) { struct commit_list *list; @@ -546,7 +574,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) int bisect_find_all = 0; int quiet = 0; - git_config(git_default_config); + git_config(git_default_config, NULL); init_revisions(&revs, prefix); revs.abbrev = 0; revs.commit_format = CMIT_FMT_UNSPECIFIED; diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c index f8d8548e9c..a7860ed75a 100644 --- a/builtin-rev-parse.c +++ b/builtin-rev-parse.c @@ -94,6 +94,14 @@ static void show(const char *arg) puts(arg); } +/* Like show(), but with a negation prefix according to type */ +static void show_with_type(int type, const char *arg) +{ + if (type != show_type) + putchar('^'); + show(arg); +} + /* Output a revision, only if filter allows it */ static void show_rev(int type, const unsigned char *sha1, const char *name) { @@ -101,8 +109,6 @@ static void show_rev(int type, const unsigned char *sha1, const char *name) return; def = NULL; - if (type != show_type) - putchar('^'); if (symbolic && name) { if (symbolic == SHOW_SYMBOLIC_FULL) { unsigned char discard[20]; @@ -119,20 +125,20 @@ static void show_rev(int type, const unsigned char *sha1, const char *name) */ break; case 1: /* happy */ - show(full); + show_with_type(type, full); break; default: /* ambiguous */ error("refname '%s' is ambiguous", name); break; } } else { - show(name); + show_with_type(type, name); } } else if (abbrev) - show(find_unique_abbrev(sha1, abbrev)); + show_with_type(type, find_unique_abbrev(sha1, abbrev)); else - show(sha1_to_hex(sha1)); + show_with_type(type, sha1_to_hex(sha1)); } /* Output a flag, only if filter allows it. */ @@ -381,7 +387,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) return cmd_parseopt(argc - 1, argv + 1, prefix); prefix = setup_git_directory(); - git_config(git_default_config); + git_config(git_default_config, NULL); for (i = 1; i < argc; i++) { const char *arg = argv[i]; diff --git a/builtin-revert.c b/builtin-revert.c index 2b57525d72..0270f9b85a 100644 --- a/builtin-revert.c +++ b/builtin-revert.c @@ -269,7 +269,7 @@ static int revert_or_cherry_pick(int argc, const char **argv) const char *message, *encoding; const char *defmsg = xstrdup(git_path("MERGE_MSG")); - git_config(git_default_config); + git_config(git_default_config, NULL); me = action == REVERT ? "revert" : "cherry-pick"; setenv(GIT_REFLOG_ACTION, me, 0); parse_args(argc, argv); diff --git a/builtin-rm.c b/builtin-rm.c index c0a8bb6cf5..22c9bd1c6c 100644 --- a/builtin-rm.c +++ b/builtin-rm.c @@ -144,7 +144,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix) const char **pathspec; char *seen; - git_config(git_default_config); + git_config(git_default_config, NULL); newfd = hold_locked_index(&lock_file, 1); diff --git a/builtin-send-pack.c b/builtin-send-pack.c index bb9c33a650..d76260c09e 100644 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@ -537,9 +537,17 @@ static void verify_remote_names(int nr_heads, const char **heads) int i; for (i = 0; i < nr_heads; i++) { + const char *local = heads[i]; const char *remote = strrchr(heads[i], ':'); - remote = remote ? (remote + 1) : heads[i]; + if (*local == '+') + local++; + + /* A matching refspec is okay. */ + if (remote == local && remote[1] == '\0') + continue; + + remote = remote ? (remote + 1) : local; switch (check_ref_format(remote)) { case 0: /* ok */ case CHECK_REF_FORMAT_ONELEVEL: diff --git a/builtin-show-branch.c b/builtin-show-branch.c index 019abd3527..93047f5117 100644 --- a/builtin-show-branch.c +++ b/builtin-show-branch.c @@ -533,7 +533,7 @@ static void append_one_rev(const char *av) die("bad sha1 reference %s", av); } -static int git_show_branch_config(const char *var, const char *value) +static int git_show_branch_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "showbranch.default")) { if (!value) @@ -547,7 +547,7 @@ static int git_show_branch_config(const char *var, const char *value) return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int omit_in_dense(struct commit *commit, struct commit **rev, int n) @@ -611,7 +611,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) int reflog = 0; const char *reflog_base = NULL; - git_config(git_show_branch_config); + git_config(git_show_branch_config, NULL); /* If nothing is specified, try the default first */ if (ac == 1 && default_num) { @@ -782,8 +782,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) has_head++; } if (!has_head) { - int pfxlen = strlen("refs/heads/"); - append_one_rev(head + pfxlen); + int offset = !prefixcmp(head, "refs/heads/") ? 11 : 0; + append_one_rev(head + offset); } } diff --git a/builtin-symbolic-ref.c b/builtin-symbolic-ref.c index d33982b967..b49bdb6900 100644 --- a/builtin-symbolic-ref.c +++ b/builtin-symbolic-ref.c @@ -35,7 +35,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) OPT_END(), }; - git_config(git_default_config); + git_config(git_default_config, NULL); argc = parse_options(argc, argv, options, git_symbolic_ref_usage, 0); if (msg &&!*msg) die("Refusing to perform update with empty message"); diff --git a/builtin-tag.c b/builtin-tag.c index 129ff57f11..3c97c696a5 100644 --- a/builtin-tag.c +++ b/builtin-tag.c @@ -256,16 +256,16 @@ static void set_signingkey(const char *value) die("signing key value too long (%.10s...)", value); } -static int git_tag_config(const char *var, const char *value) +static int git_tag_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "user.signingkey")) { if (!value) - return config_error_nonbool(value); + return config_error_nonbool(var); set_signingkey(value); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static void write_tag_body(int fd, const unsigned char *sha1) @@ -408,7 +408,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) OPT_END() }; - git_config(git_tag_config); + git_config(git_tag_config, NULL); argc = parse_options(argc, argv, options, git_tag_usage, 0); diff --git a/builtin-unpack-objects.c b/builtin-unpack-objects.c index fecf0be779..a891866665 100644 --- a/builtin-unpack-objects.c +++ b/builtin-unpack-objects.c @@ -471,7 +471,8 @@ static void unpack_all(void) if (ntohl(hdr->hdr_signature) != PACK_SIGNATURE) die("bad pack file"); if (!pack_version_ok(hdr->hdr_version)) - die("unknown pack file version %d", ntohl(hdr->hdr_version)); + die("unknown pack file version %"PRIu32, + ntohl(hdr->hdr_version)); use(sizeof(struct pack_header)); if (!quiet) @@ -493,7 +494,7 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) int i; unsigned char sha1[20]; - git_config(git_default_config); + git_config(git_default_config, NULL); quiet = !isatty(2); diff --git a/builtin-update-index.c b/builtin-update-index.c index a8795d3d5f..9e0d7ab11e 100644 --- a/builtin-update-index.c +++ b/builtin-update-index.c @@ -567,7 +567,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) int lock_error = 0; struct lock_file *lock_file; - git_config(git_default_config); + git_config(git_default_config, NULL); /* We can't free this memory, it becomes part of a linked list parsed atexit() */ lock_file = xcalloc(1, sizeof(struct lock_file)); @@ -593,6 +593,10 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) refresh_flags |= REFRESH_QUIET; continue; } + if (!strcmp(path, "--ignore-submodules")) { + refresh_flags |= REFRESH_IGNORE_SUBMODULES; + continue; + } if (!strcmp(path, "--add")) { allow_add = 1; continue; diff --git a/builtin-update-ref.c b/builtin-update-ref.c index e90737c350..d90d11d2e3 100644 --- a/builtin-update-ref.c +++ b/builtin-update-ref.c @@ -4,14 +4,14 @@ #include "parse-options.h" static const char * const git_update_ref_usage[] = { - "git-update-ref [options] -d <refname> <oldval>", + "git-update-ref [options] -d <refname> [<oldval>]", "git-update-ref [options] <refname> <newval> [<oldval>]", NULL }; int cmd_update_ref(int argc, const char **argv, const char *prefix) { - const char *refname, *value, *oldval, *msg=NULL; + const char *refname, *oldval, *msg=NULL; unsigned char sha1[20], oldsha1[20]; int delete = 0, no_deref = 0; struct option options[] = { @@ -22,30 +22,34 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) OPT_END(), }; - git_config(git_default_config); + git_config(git_default_config, NULL); argc = parse_options(argc, argv, options, git_update_ref_usage, 0); if (msg && !*msg) die("Refusing to perform update with empty message."); - if (argc < 2 || argc > 3) - usage_with_options(git_update_ref_usage, options); - refname = argv[0]; - value = argv[1]; - oldval = argv[2]; - - if (get_sha1(value, sha1)) - die("%s: not a valid SHA1", value); - if (delete) { - if (oldval) + if (argc < 1 || argc > 2) + usage_with_options(git_update_ref_usage, options); + refname = argv[0]; + oldval = argv[1]; + } else { + const char *value; + if (argc < 2 || argc > 3) usage_with_options(git_update_ref_usage, options); - return delete_ref(refname, sha1); + refname = argv[0]; + value = argv[1]; + oldval = argv[2]; + if (get_sha1(value, sha1)) + die("%s: not a valid SHA1", value); } - hashclr(oldsha1); + hashclr(oldsha1); /* all-zero hash in case oldval is the empty string */ if (oldval && *oldval && get_sha1(oldval, oldsha1)) die("%s: not a valid old SHA1", oldval); - return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL, - no_deref ? REF_NODEREF : 0, DIE_ON_ERR); + if (delete) + return delete_ref(refname, oldval ? oldsha1 : NULL); + else + return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL, + no_deref ? REF_NODEREF : 0, DIE_ON_ERR); } diff --git a/builtin-upload-archive.c b/builtin-upload-archive.c index 48ae09e9b5..371400d49a 100644 --- a/builtin-upload-archive.c +++ b/builtin-upload-archive.c @@ -30,7 +30,7 @@ static int run_upload_archive(int argc, const char **argv, const char *prefix) if (argc != 2) usage(upload_archive_usage); - if (strlen(argv[1]) > sizeof(buf)) + if (strlen(argv[1]) + 1 > sizeof(buf)) die("insanely long repository name"); strcpy(buf, argv[1]); /* enter-repo smudges its argument */ diff --git a/builtin-verify-pack.c b/builtin-verify-pack.c index 4958bbbf11..f4ac595695 100644 --- a/builtin-verify-pack.c +++ b/builtin-verify-pack.c @@ -2,6 +2,58 @@ #include "cache.h" #include "pack.h" + +#define MAX_CHAIN 50 + +static void show_pack_info(struct packed_git *p) +{ + uint32_t nr_objects, i, chain_histogram[MAX_CHAIN+1]; + + nr_objects = p->num_objects; + memset(chain_histogram, 0, sizeof(chain_histogram)); + + for (i = 0; i < nr_objects; i++) { + const unsigned char *sha1; + unsigned char base_sha1[20]; + const char *type; + unsigned long size; + unsigned long store_size; + off_t offset; + unsigned int delta_chain_length; + + sha1 = nth_packed_object_sha1(p, i); + if (!sha1) + die("internal error pack-check nth-packed-object"); + offset = nth_packed_object_offset(p, i); + type = packed_object_info_detail(p, offset, &size, &store_size, + &delta_chain_length, + base_sha1); + printf("%s ", sha1_to_hex(sha1)); + if (!delta_chain_length) + printf("%-6s %lu %lu %"PRIuMAX"\n", + type, size, store_size, (uintmax_t)offset); + else { + printf("%-6s %lu %lu %"PRIuMAX" %u %s\n", + type, size, store_size, (uintmax_t)offset, + delta_chain_length, sha1_to_hex(base_sha1)); + if (delta_chain_length <= MAX_CHAIN) + chain_histogram[delta_chain_length]++; + else + chain_histogram[0]++; + } + } + + for (i = 0; i <= MAX_CHAIN; i++) { + if (!chain_histogram[i]) + continue; + printf("chain length = %"PRIu32": %"PRIu32" object%s\n", i, + chain_histogram[i], chain_histogram[i] > 1 ? "s" : ""); + } + if (chain_histogram[0]) + printf("chain length > %d: %"PRIu32" object%s\n", MAX_CHAIN, + chain_histogram[0], chain_histogram[0] > 1 ? "s" : ""); +} + static int verify_one_pack(const char *path, int verbose) { char arg[PATH_MAX]; @@ -41,7 +93,16 @@ static int verify_one_pack(const char *path, int verbose) return error("packfile %s not found.", arg); install_packed_git(pack); - err = verify_pack(pack, verbose); + err = verify_pack(pack); + + if (verbose) { + if (err) + printf("%s: bad\n", pack->pack_name); + else { + show_pack_info(pack); + printf("%s: ok\n", pack->pack_name); + } + } return err; } @@ -55,7 +116,7 @@ int cmd_verify_pack(int argc, const char **argv, const char *prefix) int no_more_options = 0; int nothing_done = 1; - git_config(git_default_config); + git_config(git_default_config, NULL); while (1 < argc) { if (!no_more_options && argv[1][0] == '-') { if (!strcmp("-v", argv[1])) diff --git a/builtin-verify-tag.c b/builtin-verify-tag.c index db81496b46..92eaa89a45 100644 --- a/builtin-verify-tag.c +++ b/builtin-verify-tag.c @@ -90,7 +90,7 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix) { int i = 1, verbose = 0, had_error = 0; - git_config(git_default_config); + git_config(git_default_config, NULL); if (argc == 1) usage(builtin_verify_tag_usage); diff --git a/builtin-write-tree.c b/builtin-write-tree.c index e838d01233..c218799744 100644 --- a/builtin-write-tree.c +++ b/builtin-write-tree.c @@ -18,7 +18,7 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix) unsigned char sha1[20]; const char *me = "git-write-tree"; - git_config(git_default_config); + git_config(git_default_config, NULL); while (1 < argc) { const char *arg = argv[1]; if (!strcmp(arg, "--missing-ok")) @@ -5,10 +5,12 @@ extern const char git_version_string[]; extern const char git_usage_string[]; +extern const char git_more_info_string[]; extern void list_common_cmds_help(void); extern void help_unknown_cmd(const char *cmd); extern void prune_packed_objects(int); +extern int read_line_with_nul(char *buf, int size, FILE *file); extern int cmd_add(int argc, const char **argv, const char *prefix); extern int cmd_annotate(int argc, const char **argv, const char *prefix); @@ -24,6 +26,7 @@ extern int cmd_check_attr(int argc, const char **argv, const char *prefix); extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix); extern int cmd_cherry(int argc, const char **argv, const char *prefix); extern int cmd_cherry_pick(int argc, const char **argv, const char *prefix); +extern int cmd_clone(int argc, const char **argv, const char *prefix); extern int cmd_clean(int argc, const char **argv, const char *prefix); extern int cmd_commit(int argc, const char **argv, const char *prefix); extern int cmd_commit_tree(int argc, const char **argv, const char *prefix); @@ -261,8 +261,8 @@ static inline void remove_name_hash(struct cache_entry *ce) #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) -#define add_to_cache(path, st, verbose) add_to_index(&the_index, (path), (st), (verbose)) -#define add_file_to_cache(path, verbose) add_file_to_index(&the_index, (path), (verbose)) +#define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) +#define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL) #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) @@ -298,7 +298,6 @@ static inline enum object_type object_type(unsigned int mode) #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" #define CONFIG_ENVIRONMENT "GIT_CONFIG" -#define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL" #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" #define GITATTRIBUTES_FILE ".gitattributes" @@ -312,12 +311,12 @@ extern char *git_work_tree_cfg; extern int is_inside_work_tree(void); extern const char *get_git_dir(void); extern char *get_object_directory(void); -extern char *get_refs_directory(void); extern char *get_index_file(void); extern char *get_graft_file(void); extern int set_git_dir(const char *path); extern const char *get_git_work_tree(void); extern const char *read_gitfile_gently(const char *path); +extern void set_git_work_tree(const char *tree); #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" @@ -330,6 +329,10 @@ extern const char *prefix_filename(const char *prefix, int len, const char *path extern void verify_filename(const char *prefix, const char *name); extern void verify_non_filename(const char *prefix, const char *name); +#define INIT_DB_QUIET 0x0001 + +extern int init_db(const char *template_dir, unsigned int flags); + #define alloc_nr(x) (((x)+16)*3/2) /* @@ -367,8 +370,11 @@ extern int add_index_entry(struct index_state *, struct cache_entry *ce, int opt extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); extern int remove_index_entry_at(struct index_state *, int pos); extern int remove_file_from_index(struct index_state *, const char *path); -extern int add_to_index(struct index_state *, const char *path, struct stat *, int verbose); -extern int add_file_to_index(struct index_state *, const char *path, int verbose); +#define ADD_CACHE_VERBOSE 1 +#define ADD_CACHE_PRETEND 2 +#define ADD_CACHE_IGNORE_ERRORS 4 +extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); +extern int add_file_to_index(struct index_state *, const char *path, int flags); extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); @@ -389,6 +395,7 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ #define REFRESH_QUIET 0x0004 /* be quiet about it */ #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ +#define REFRESH_IGNORE_SUBMODULES 0x0008 /* ignore submodules */ extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen); struct lock_file { @@ -399,6 +406,7 @@ struct lock_file { char filename[PATH_MAX]; }; extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); +extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); extern int commit_lock_file(struct lock_file *); extern int hold_locked_index(struct lock_file *, int); @@ -426,6 +434,7 @@ extern size_t packed_git_window_size; extern size_t packed_git_limit; extern size_t delta_base_cache_limit; extern int auto_crlf; +extern int fsync_object_files; enum safe_crlf { SAFE_CRLF_FALSE = 0, @@ -509,12 +518,15 @@ enum sharedrepo { int git_config_perm(const char *var, const char *value); int adjust_shared_perm(const char *path); int safe_create_leading_directories(char *path); +int safe_create_leading_directories_const(const char *path); char *enter_repo(char *path, int strict); static inline int is_absolute_path(const char *path) { - return path[0] == '/'; + return path[0] == '/' || has_dos_drive_prefix(path); } const char *make_absolute_path(const char *path); +const char *make_nonrelative_path(const char *path); +const char *make_relative_path(const char *abs, const char *base); int normalize_absolute_path(char *buf, const char *path); int longest_ancestor_length(const char *path, const char *prefix_list); @@ -524,12 +536,10 @@ extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); +extern int force_object_loose(const unsigned char *sha1, time_t mtime); extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); -extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer, - size_t bufsize, size_t *bufposn); -extern int write_sha1_to_fd(int fd, const unsigned char *sha1); extern int move_temp_to_file(const char *tmpfile, const char *filename); extern int has_sha1_pack(const unsigned char *sha1, const char **ignore); @@ -617,6 +627,7 @@ extern struct alternate_object_database { char base[FLEX_ARRAY]; /* more */ } *alt_odb_list; extern void prepare_alt_odb(void); +extern void add_to_alternates_file(const char *reference); struct pack_window { struct pack_window *next; @@ -634,6 +645,8 @@ extern struct packed_git { const void *index_data; size_t index_size; uint32_t num_objects; + uint32_t num_bad_objects; + unsigned char *bad_object_sha1; int index_version; time_t mtime; int pack_fd; @@ -687,8 +700,6 @@ extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, ch extern int server_supports(const char *feature); extern struct packed_git *parse_pack_index(unsigned char *sha1); -extern struct packed_git *parse_pack_index_file(const unsigned char *sha1, - const char *idx_path); extern void prepare_packed_git(void); extern void reprepare_packed_git(void); @@ -704,6 +715,7 @@ extern void close_pack_windows(struct packed_git *); extern void unuse_pack(struct pack_window **); extern struct packed_git *add_packed_git(const char *, int, int); extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); +extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); @@ -714,10 +726,10 @@ extern int matches_pack_name(struct packed_git *p, const char *name); /* Dumb servers support */ extern int update_server_info(int); -typedef int (*config_fn_t)(const char *, const char *); -extern int git_default_config(const char *, const char *); -extern int git_config_from_file(config_fn_t fn, const char *); -extern int git_config(config_fn_t fn); +typedef int (*config_fn_t)(const char *, const char *, void *); +extern int git_default_config(const char *, const char *, void *); +extern int git_config_from_file(config_fn_t fn, const char *, void *); +extern int git_config(config_fn_t fn, void *); extern int git_parse_long(const char *, long *); extern int git_parse_ulong(const char *, unsigned long *); extern int git_config_int(const char *, const char *); @@ -729,11 +741,11 @@ extern int git_config_set(const char *, const char *); extern int git_config_set_multivar(const char *, const char *, const char *, int); extern int git_config_rename_section(const char *, const char *); extern const char *git_etc_gitconfig(void); -extern int check_repository_format_version(const char *var, const char *value); -extern int git_env_bool(const char *, int); +extern int check_repository_format_version(const char *var, const char *value, void *cb); extern int git_config_system(void); extern int git_config_global(void); extern int config_error_nonbool(const char *); +extern const char *config_exclusive_filename; #define MAX_GITNAME (1000) extern char git_default_email[MAX_GITNAME]; @@ -752,6 +764,7 @@ extern ssize_t write_in_full(int fd, const void *buf, size_t count); extern void write_or_die(int fd, const void *buf, size_t count); extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); +extern void fsync_or_die(int fd, const char *); /* pager.c */ extern void setup_pager(void); @@ -785,7 +798,11 @@ extern int convert_to_git(const char *path, const char *src, size_t len, extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst); /* add */ -void add_files_to_cache(int verbose, const char *prefix, const char **pathspec); +/* + * return 0 if success, 1 - if addition of a file failed and + * ADD_FILES_IGNORE_ERRORS was specified in flags + */ +int add_files_to_cache(const char *prefix, const char **pathspec, int flags); /* diff.c */ extern int diff_auto_refresh_index; @@ -805,11 +822,11 @@ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, i extern unsigned whitespace_rule_cfg; extern unsigned whitespace_rule(const char *); extern unsigned parse_whitespace_rule(const char *); -extern unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule, - FILE *stream, const char *set, - const char *reset, const char *ws); +extern unsigned ws_check(const char *line, int len, unsigned ws_rule); +extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); extern char *whitespace_error_string(unsigned ws); extern int ws_fix_copy(char *, const char *, int, unsigned, int *); +extern int ws_blank_line(const char *line, int len, unsigned ws_rule); /* ls-files */ int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen); diff --git a/check_bindir b/check_bindir new file mode 100755 index 0000000000..a1c4c3e8d8 --- /dev/null +++ b/check_bindir @@ -0,0 +1,13 @@ +#!/bin/sh +bindir="$1" +gitexecdir="$2" +gitcmd="$3" +if test "$bindir" != "$gitexecdir" -a -x "$gitcmd" +then + echo + echo "!! You have installed git-* commands to new gitexecdir." + echo "!! Old version git-* commands still remain in bindir." + echo "!! Mixing two versions of Git will lead to problems." + echo "!! Please remove old version commands in bindir now." + echo +fi @@ -145,14 +145,14 @@ int git_config_colorbool(const char *var, const char *value, int stdout_is_tty) return 0; } -int git_color_default_config(const char *var, const char *value) +int git_color_default_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "color.ui")) { git_use_color_default = git_config_colorbool(var, value, -1); return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int color_vfprintf(FILE *fp, const char *color, const char *fmt, @@ -13,7 +13,7 @@ extern int git_use_color_default; /* * Use this instead of git_default_config if you need the value of color.ui. */ -int git_color_default_config(const char *var, const char *value); +int git_color_default_config(const char *var, const char *value, void *cb); int git_config_colorbool(const char *var, const char *value, int stdout_is_tty); void color_parse(const char *var, const char *value, char *dst); diff --git a/combine-diff.c b/combine-diff.c index 588c58bc55..9f80a1c5e3 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -84,6 +84,7 @@ struct sline { /* bit 0 up to (N-1) are on if the parent has this line (i.e. * we did not change it). * bit N is used for "interesting" lines, including context. + * bit (N+1) is used for "do not show deletion before this". */ unsigned long flag; unsigned long *p_lno; @@ -308,6 +309,7 @@ static int give_context(struct sline *sline, unsigned long cnt, int num_parent) { unsigned long all_mask = (1UL<<num_parent) - 1; unsigned long mark = (1UL<<num_parent); + unsigned long no_pre_delete = (2UL<<num_parent); unsigned long i; /* Two groups of interesting lines may have a short gap of @@ -329,7 +331,7 @@ static int give_context(struct sline *sline, unsigned long cnt, int num_parent) /* Paint a few lines before the first interesting line. */ while (j < i) - sline[j++].flag |= mark; + sline[j++].flag |= mark | no_pre_delete; again: /* we know up to i is to be included. where does the @@ -502,6 +504,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, int use_color) { unsigned long mark = (1UL<<num_parent); + unsigned long no_pre_delete = (2UL<<num_parent); int i; unsigned long lno = 0; const char *c_frag = diff_get_color(use_color, DIFF_FRAGINFO); @@ -581,7 +584,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, int j; unsigned long p_mask; sl = &sline[lno++]; - ll = sl->lost_head; + ll = (sl->flag & no_pre_delete) ? NULL : sl->lost_head; while (ll) { fputs(c_old, stdout); for (j = 0; j < num_parent; j++) { @@ -243,7 +243,6 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size) unsigned char parent[20]; struct commit_list **pptr; struct commit_graft *graft; - unsigned n_refs = 0; if (item->object.parsed) return 0; @@ -255,8 +254,6 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size) return error("bad tree pointer in commit %s", sha1_to_hex(item->object.sha1)); item->tree = lookup_tree(parent); - if (item->tree) - n_refs++; bufptr += 46; /* "tree " + "hex sha1" + "\n" */ pptr = &item->parents; @@ -272,10 +269,8 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size) if (graft) continue; new_parent = lookup_commit(parent); - if (new_parent) { + if (new_parent) pptr = &commit_list_insert(new_parent, pptr)->next; - n_refs++; - } } if (graft) { int i; @@ -285,7 +280,6 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size) if (!new_parent) continue; pptr = &commit_list_insert(new_parent, pptr)->next; - n_refs++; } } item->date = parse_commit_date(bufptr, tail); diff --git a/compat/fnmatch.c b/compat/fnmatch.c new file mode 100644 index 0000000000..1f4ead5f98 --- /dev/null +++ b/compat/fnmatch.c @@ -0,0 +1,488 @@ +/* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +/* Enable GNU extensions in fnmatch.h. */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +#endif + +#include <errno.h> +#include <fnmatch.h> +#include <ctype.h> + +#if HAVE_STRING_H || defined _LIBC +# include <string.h> +#else +# include <strings.h> +#endif + +#if defined STDC_HEADERS || defined _LIBC +# include <stdlib.h> +#endif + +/* For platform which support the ISO C amendement 1 functionality we + support user defined character classes. */ +#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) +/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */ +# include <wchar.h> +# include <wctype.h> +#endif + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#if defined _LIBC || !defined __GNU_LIBRARY__ + + +# if defined STDC_HEADERS || !defined isascii +# define ISASCII(c) 1 +# else +# define ISASCII(c) isascii(c) +# endif + +# ifdef isblank +# define ISBLANK(c) (ISASCII (c) && isblank (c)) +# else +# define ISBLANK(c) ((c) == ' ' || (c) == '\t') +# endif +# ifdef isgraph +# define ISGRAPH(c) (ISASCII (c) && isgraph (c)) +# else +# define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c)) +# endif + +# define ISPRINT(c) (ISASCII (c) && isprint (c)) +# define ISDIGIT(c) (ISASCII (c) && isdigit (c)) +# define ISALNUM(c) (ISASCII (c) && isalnum (c)) +# define ISALPHA(c) (ISASCII (c) && isalpha (c)) +# define ISCNTRL(c) (ISASCII (c) && iscntrl (c)) +# define ISLOWER(c) (ISASCII (c) && islower (c)) +# define ISPUNCT(c) (ISASCII (c) && ispunct (c)) +# define ISSPACE(c) (ISASCII (c) && isspace (c)) +# define ISUPPER(c) (ISASCII (c) && isupper (c)) +# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c)) + +# define STREQ(s1, s2) ((strcmp (s1, s2) == 0)) + +# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) +/* The GNU C library provides support for user-defined character classes + and the functions from ISO C amendement 1. */ +# ifdef CHARCLASS_NAME_MAX +# define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX +# else +/* This shouldn't happen but some implementation might still have this + problem. Use a reasonable default value. */ +# define CHAR_CLASS_MAX_LENGTH 256 +# endif + +# ifdef _LIBC +# define IS_CHAR_CLASS(string) __wctype (string) +# else +# define IS_CHAR_CLASS(string) wctype (string) +# endif +# else +# define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */ + +# define IS_CHAR_CLASS(string) \ + (STREQ (string, "alpha") || STREQ (string, "upper") \ + || STREQ (string, "lower") || STREQ (string, "digit") \ + || STREQ (string, "alnum") || STREQ (string, "xdigit") \ + || STREQ (string, "space") || STREQ (string, "print") \ + || STREQ (string, "punct") || STREQ (string, "graph") \ + || STREQ (string, "cntrl") || STREQ (string, "blank")) +# endif + +/* Avoid depending on library functions or files + whose names are inconsistent. */ + +# if !defined _LIBC && !defined getenv +extern char *getenv (); +# endif + +# ifndef errno +extern int errno; +# endif + +/* This function doesn't exist on most systems. */ + +# if !defined HAVE___STRCHRNUL && !defined _LIBC +static char * +__strchrnul (s, c) + const char *s; + int c; +{ + char *result = strchr (s, c); + if (result == NULL) + result = strchr (s, '\0'); + return result; +} +# endif + +# ifndef internal_function +/* Inside GNU libc we mark some function in a special way. In other + environments simply ignore the marking. */ +# define internal_function +# endif + +/* Match STRING against the filename pattern PATTERN, returning zero if + it matches, nonzero if not. */ +static int internal_fnmatch __P ((const char *pattern, const char *string, + int no_leading_period, int flags)) + internal_function; +static int +internal_function +internal_fnmatch (pattern, string, no_leading_period, flags) + const char *pattern; + const char *string; + int no_leading_period; + int flags; +{ + register const char *p = pattern, *n = string; + register unsigned char c; + +/* Note that this evaluates C many times. */ +# ifdef _LIBC +# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c)) +# else +# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) +# endif + + while ((c = *p++) != '\0') + { + c = FOLD (c); + + switch (c) + { + case '?': + if (*n == '\0') + return FNM_NOMATCH; + else if (*n == '/' && (flags & FNM_FILE_NAME)) + return FNM_NOMATCH; + else if (*n == '.' && no_leading_period + && (n == string + || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) + return FNM_NOMATCH; + break; + + case '\\': + if (!(flags & FNM_NOESCAPE)) + { + c = *p++; + if (c == '\0') + /* Trailing \ loses. */ + return FNM_NOMATCH; + c = FOLD (c); + } + if (FOLD ((unsigned char) *n) != c) + return FNM_NOMATCH; + break; + + case '*': + if (*n == '.' && no_leading_period + && (n == string + || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) + return FNM_NOMATCH; + + for (c = *p++; c == '?' || c == '*'; c = *p++) + { + if (*n == '/' && (flags & FNM_FILE_NAME)) + /* A slash does not match a wildcard under FNM_FILE_NAME. */ + return FNM_NOMATCH; + else if (c == '?') + { + /* A ? needs to match one character. */ + if (*n == '\0') + /* There isn't another character; no match. */ + return FNM_NOMATCH; + else + /* One character of the string is consumed in matching + this ? wildcard, so *??? won't match if there are + less than three characters. */ + ++n; + } + } + + if (c == '\0') + /* The wildcard(s) is/are the last element of the pattern. + If the name is a file name and contains another slash + this does mean it cannot match. */ + return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL + ? FNM_NOMATCH : 0); + else + { + const char *endp; + + endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0'); + + if (c == '[') + { + int flags2 = ((flags & FNM_FILE_NAME) + ? flags : (flags & ~FNM_PERIOD)); + + for (--p; n < endp; ++n) + if (internal_fnmatch (p, n, + (no_leading_period + && (n == string + || (n[-1] == '/' + && (flags + & FNM_FILE_NAME)))), + flags2) + == 0) + return 0; + } + else if (c == '/' && (flags & FNM_FILE_NAME)) + { + while (*n != '\0' && *n != '/') + ++n; + if (*n == '/' + && (internal_fnmatch (p, n + 1, flags & FNM_PERIOD, + flags) == 0)) + return 0; + } + else + { + int flags2 = ((flags & FNM_FILE_NAME) + ? flags : (flags & ~FNM_PERIOD)); + + if (c == '\\' && !(flags & FNM_NOESCAPE)) + c = *p; + c = FOLD (c); + for (--p; n < endp; ++n) + if (FOLD ((unsigned char) *n) == c + && (internal_fnmatch (p, n, + (no_leading_period + && (n == string + || (n[-1] == '/' + && (flags + & FNM_FILE_NAME)))), + flags2) == 0)) + return 0; + } + } + + /* If we come here no match is possible with the wildcard. */ + return FNM_NOMATCH; + + case '[': + { + /* Nonzero if the sense of the character class is inverted. */ + static int posixly_correct; + register int not; + char cold; + + if (posixly_correct == 0) + posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1; + + if (*n == '\0') + return FNM_NOMATCH; + + if (*n == '.' && no_leading_period && (n == string + || (n[-1] == '/' + && (flags + & FNM_FILE_NAME)))) + return FNM_NOMATCH; + + if (*n == '/' && (flags & FNM_FILE_NAME)) + /* `/' cannot be matched. */ + return FNM_NOMATCH; + + not = (*p == '!' || (posixly_correct < 0 && *p == '^')); + if (not) + ++p; + + c = *p++; + for (;;) + { + unsigned char fn = FOLD ((unsigned char) *n); + + if (!(flags & FNM_NOESCAPE) && c == '\\') + { + if (*p == '\0') + return FNM_NOMATCH; + c = FOLD ((unsigned char) *p); + ++p; + + if (c == fn) + goto matched; + } + else if (c == '[' && *p == ':') + { + /* Leave room for the null. */ + char str[CHAR_CLASS_MAX_LENGTH + 1]; + size_t c1 = 0; +# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) + wctype_t wt; +# endif + const char *startp = p; + + for (;;) + { + if (c1 == CHAR_CLASS_MAX_LENGTH) + /* The name is too long and therefore the pattern + is ill-formed. */ + return FNM_NOMATCH; + + c = *++p; + if (c == ':' && p[1] == ']') + { + p += 2; + break; + } + if (c < 'a' || c >= 'z') + { + /* This cannot possibly be a character class name. + Match it as a normal range. */ + p = startp; + c = '['; + goto normal_bracket; + } + str[c1++] = c; + } + str[c1] = '\0'; + +# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) + wt = IS_CHAR_CLASS (str); + if (wt == 0) + /* Invalid character class name. */ + return FNM_NOMATCH; + + if (__iswctype (__btowc ((unsigned char) *n), wt)) + goto matched; +# else + if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n)) + || (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n)) + || (STREQ (str, "blank") && ISBLANK ((unsigned char) *n)) + || (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n)) + || (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n)) + || (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n)) + || (STREQ (str, "lower") && ISLOWER ((unsigned char) *n)) + || (STREQ (str, "print") && ISPRINT ((unsigned char) *n)) + || (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n)) + || (STREQ (str, "space") && ISSPACE ((unsigned char) *n)) + || (STREQ (str, "upper") && ISUPPER ((unsigned char) *n)) + || (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n))) + goto matched; +# endif + } + else if (c == '\0') + /* [ (unterminated) loses. */ + return FNM_NOMATCH; + else + { + normal_bracket: + if (FOLD (c) == fn) + goto matched; + + cold = c; + c = *p++; + + if (c == '-' && *p != ']') + { + /* It is a range. */ + unsigned char cend = *p++; + if (!(flags & FNM_NOESCAPE) && cend == '\\') + cend = *p++; + if (cend == '\0') + return FNM_NOMATCH; + + if (cold <= fn && fn <= FOLD (cend)) + goto matched; + + c = *p++; + } + } + + if (c == ']') + break; + } + + if (!not) + return FNM_NOMATCH; + break; + + matched: + /* Skip the rest of the [...] that already matched. */ + while (c != ']') + { + if (c == '\0') + /* [... (unterminated) loses. */ + return FNM_NOMATCH; + + c = *p++; + if (!(flags & FNM_NOESCAPE) && c == '\\') + { + if (*p == '\0') + return FNM_NOMATCH; + /* XXX 1003.2d11 is unclear if this is right. */ + ++p; + } + else if (c == '[' && *p == ':') + { + do + if (*++p == '\0') + return FNM_NOMATCH; + while (*p != ':' || p[1] == ']'); + p += 2; + c = *p; + } + } + if (not) + return FNM_NOMATCH; + } + break; + + default: + if (c != FOLD ((unsigned char) *n)) + return FNM_NOMATCH; + } + + ++n; + } + + if (*n == '\0') + return 0; + + if ((flags & FNM_LEADING_DIR) && *n == '/') + /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */ + return 0; + + return FNM_NOMATCH; + +# undef FOLD +} + + +int +fnmatch (pattern, string, flags) + const char *pattern; + const char *string; + int flags; +{ + return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags); +} + +#endif /* _LIBC or not __GNU_LIBRARY__. */ diff --git a/compat/fnmatch.h b/compat/fnmatch.h new file mode 100644 index 0000000000..cc3ec37940 --- /dev/null +++ b/compat/fnmatch.h @@ -0,0 +1,84 @@ +/* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _FNMATCH_H +#define _FNMATCH_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32 +# if !defined __GLIBC__ || !defined __P +# undef __P +# define __P(protos) protos +# endif +#else /* Not C++ or ANSI C. */ +# undef __P +# define __P(protos) () +/* We can get away without defining `const' here only because in this file + it is used only inside the prototype for `fnmatch', which is elided in + non-ANSI C where `const' is problematical. */ +#endif /* C++ or ANSI C. */ + +#ifndef const +# if (defined __STDC__ && __STDC__) || defined __cplusplus +# define __const const +# else +# define __const +# endif +#endif + +/* We #undef these before defining them because some losing systems + (HP-UX A.08.07 for example) define these in <unistd.h>. */ +#undef FNM_PATHNAME +#undef FNM_NOESCAPE +#undef FNM_PERIOD + +/* Bits set in the FLAGS argument to `fnmatch'. */ +#define FNM_PATHNAME (1 << 0) /* No wildcard can ever match `/'. */ +#define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */ +#define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */ + +#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _GNU_SOURCE +# define FNM_FILE_NAME FNM_PATHNAME /* Preferred GNU name. */ +# define FNM_LEADING_DIR (1 << 3) /* Ignore `/...' after a match. */ +# define FNM_CASEFOLD (1 << 4) /* Compare without regard to case. */ +#endif + +/* Value returned by `fnmatch' if STRING does not match PATTERN. */ +#define FNM_NOMATCH 1 + +/* This value is returned if the implementation does not support + `fnmatch'. Since this is not the case here it will never be + returned but the conformance test suites still require the symbol + to be defined. */ +#ifdef _XOPEN_SOURCE +# define FNM_NOSYS (-1) +#endif + +/* Match NAME against the filename pattern PATTERN, + returning zero if it matches, FNM_NOMATCH if not. */ +extern int fnmatch __P ((__const char *__pattern, __const char *__name, + int __flags)); + +#ifdef __cplusplus +} +#endif + +#endif /* fnmatch.h */ diff --git a/compat/mingw.c b/compat/mingw.c new file mode 100644 index 0000000000..3a05fe7da6 --- /dev/null +++ b/compat/mingw.c @@ -0,0 +1,1019 @@ +#include "../git-compat-util.h" +#include "../strbuf.h" + +unsigned int _CRT_fmode = _O_BINARY; + +#undef open +int mingw_open (const char *filename, int oflags, ...) +{ + va_list args; + unsigned mode; + va_start(args, oflags); + mode = va_arg(args, int); + va_end(args); + + if (!strcmp(filename, "/dev/null")) + filename = "nul"; + int fd = open(filename, oflags, mode); + if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) { + DWORD attrs = GetFileAttributes(filename); + if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY)) + errno = EISDIR; + } + return fd; +} + +static inline time_t filetime_to_time_t(const FILETIME *ft) +{ + long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime; + winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */ + winTime /= 10000000; /* Nano to seconds resolution */ + return (time_t)winTime; +} + +static inline size_t size_to_blocks(size_t s) +{ + return (s+511)/512; +} + +extern int _getdrive( void ); +/* We keep the do_lstat code in a separate function to avoid recursion. + * When a path ends with a slash, the stat will fail with ENOENT. In + * this case, we strip the trailing slashes and stat again. + */ +static int do_lstat(const char *file_name, struct stat *buf) +{ + WIN32_FILE_ATTRIBUTE_DATA fdata; + + if (GetFileAttributesExA(file_name, GetFileExInfoStandard, &fdata)) { + int fMode = S_IREAD; + if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) + fMode |= S_IFDIR; + else + fMode |= S_IFREG; + if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) + fMode |= S_IWRITE; + + buf->st_ino = 0; + buf->st_gid = 0; + buf->st_uid = 0; + buf->st_mode = fMode; + buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */ + buf->st_blocks = size_to_blocks(buf->st_size); + buf->st_dev = _getdrive() - 1; + buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); + buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); + buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); + errno = 0; + return 0; + } + + switch (GetLastError()) { + case ERROR_ACCESS_DENIED: + case ERROR_SHARING_VIOLATION: + case ERROR_LOCK_VIOLATION: + case ERROR_SHARING_BUFFER_EXCEEDED: + errno = EACCES; + break; + case ERROR_BUFFER_OVERFLOW: + errno = ENAMETOOLONG; + break; + case ERROR_NOT_ENOUGH_MEMORY: + errno = ENOMEM; + break; + default: + errno = ENOENT; + break; + } + return -1; +} + +/* We provide our own lstat/fstat functions, since the provided + * lstat/fstat functions are so slow. These stat functions are + * tailored for Git's usage (read: fast), and are not meant to be + * complete. Note that Git stat()s are redirected to mingw_lstat() + * too, since Windows doesn't really handle symlinks that well. + */ +int mingw_lstat(const char *file_name, struct mingw_stat *buf) +{ + int namelen; + static char alt_name[PATH_MAX]; + + if (!do_lstat(file_name, buf)) + return 0; + + /* if file_name ended in a '/', Windows returned ENOENT; + * try again without trailing slashes + */ + if (errno != ENOENT) + return -1; + + namelen = strlen(file_name); + if (namelen && file_name[namelen-1] != '/') + return -1; + while (namelen && file_name[namelen-1] == '/') + --namelen; + if (!namelen || namelen >= PATH_MAX) + return -1; + + memcpy(alt_name, file_name, namelen); + alt_name[namelen] = 0; + return do_lstat(alt_name, buf); +} + +#undef fstat +#undef stat +int mingw_fstat(int fd, struct mingw_stat *buf) +{ + HANDLE fh = (HANDLE)_get_osfhandle(fd); + BY_HANDLE_FILE_INFORMATION fdata; + + if (fh == INVALID_HANDLE_VALUE) { + errno = EBADF; + return -1; + } + /* direct non-file handles to MS's fstat() */ + if (GetFileType(fh) != FILE_TYPE_DISK) { + struct stat st; + if (fstat(fd, &st)) + return -1; + buf->st_ino = st.st_ino; + buf->st_gid = st.st_gid; + buf->st_uid = st.st_uid; + buf->st_mode = st.st_mode; + buf->st_size = st.st_size; + buf->st_blocks = size_to_blocks(buf->st_size); + buf->st_dev = st.st_dev; + buf->st_atime = st.st_atime; + buf->st_mtime = st.st_mtime; + buf->st_ctime = st.st_ctime; + return 0; + } + + if (GetFileInformationByHandle(fh, &fdata)) { + int fMode = S_IREAD; + if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) + fMode |= S_IFDIR; + else + fMode |= S_IFREG; + if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) + fMode |= S_IWRITE; + + buf->st_ino = 0; + buf->st_gid = 0; + buf->st_uid = 0; + buf->st_mode = fMode; + buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */ + buf->st_blocks = size_to_blocks(buf->st_size); + buf->st_dev = _getdrive() - 1; + buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); + buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); + buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); + return 0; + } + errno = EBADF; + return -1; +} + +static inline void time_t_to_filetime(time_t t, FILETIME *ft) +{ + long long winTime = t * 10000000LL + 116444736000000000LL; + ft->dwLowDateTime = winTime; + ft->dwHighDateTime = winTime >> 32; +} + +int mingw_utime (const char *file_name, const struct utimbuf *times) +{ + FILETIME mft, aft; + int fh, rc; + + /* must have write permission */ + if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0) + return -1; + + time_t_to_filetime(times->modtime, &mft); + time_t_to_filetime(times->actime, &aft); + if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) { + errno = EINVAL; + rc = -1; + } else + rc = 0; + close(fh); + return rc; +} + +unsigned int sleep (unsigned int seconds) +{ + Sleep(seconds*1000); + return 0; +} + +int mkstemp(char *template) +{ + char *filename = mktemp(template); + if (filename == NULL) + return -1; + return open(filename, O_RDWR | O_CREAT, 0600); +} + +int gettimeofday(struct timeval *tv, void *tz) +{ + SYSTEMTIME st; + struct tm tm; + GetSystemTime(&st); + tm.tm_year = st.wYear-1900; + tm.tm_mon = st.wMonth-1; + tm.tm_mday = st.wDay; + tm.tm_hour = st.wHour; + tm.tm_min = st.wMinute; + tm.tm_sec = st.wSecond; + tv->tv_sec = tm_to_time_t(&tm); + if (tv->tv_sec < 0) + return -1; + tv->tv_usec = st.wMilliseconds*1000; + return 0; +} + +int pipe(int filedes[2]) +{ + int fd; + HANDLE h[2], parent; + + if (_pipe(filedes, 8192, 0) < 0) + return -1; + + parent = GetCurrentProcess(); + + if (!DuplicateHandle (parent, (HANDLE)_get_osfhandle(filedes[0]), + parent, &h[0], 0, FALSE, DUPLICATE_SAME_ACCESS)) { + close(filedes[0]); + close(filedes[1]); + return -1; + } + if (!DuplicateHandle (parent, (HANDLE)_get_osfhandle(filedes[1]), + parent, &h[1], 0, FALSE, DUPLICATE_SAME_ACCESS)) { + close(filedes[0]); + close(filedes[1]); + CloseHandle(h[0]); + return -1; + } + fd = _open_osfhandle((int)h[0], O_NOINHERIT); + if (fd < 0) { + close(filedes[0]); + close(filedes[1]); + CloseHandle(h[0]); + CloseHandle(h[1]); + return -1; + } + close(filedes[0]); + filedes[0] = fd; + fd = _open_osfhandle((int)h[1], O_NOINHERIT); + if (fd < 0) { + close(filedes[0]); + close(filedes[1]); + CloseHandle(h[1]); + return -1; + } + close(filedes[1]); + filedes[1] = fd; + return 0; +} + +int poll(struct pollfd *ufds, unsigned int nfds, int timeout) +{ + int i, pending; + + if (timeout != -1) + return errno = EINVAL, error("poll timeout not supported"); + + /* When there is only one fd to wait for, then we pretend that + * input is available and let the actual wait happen when the + * caller invokes read(). + */ + if (nfds == 1) { + if (!(ufds[0].events & POLLIN)) + return errno = EINVAL, error("POLLIN not set"); + ufds[0].revents = POLLIN; + return 0; + } + +repeat: + pending = 0; + for (i = 0; i < nfds; i++) { + DWORD avail = 0; + HANDLE h = (HANDLE) _get_osfhandle(ufds[i].fd); + if (h == INVALID_HANDLE_VALUE) + return -1; /* errno was set */ + + if (!(ufds[i].events & POLLIN)) + return errno = EINVAL, error("POLLIN not set"); + + /* this emulation works only for pipes */ + if (!PeekNamedPipe(h, NULL, 0, NULL, &avail, NULL)) { + int err = GetLastError(); + if (err == ERROR_BROKEN_PIPE) { + ufds[i].revents = POLLHUP; + pending++; + } else { + errno = EINVAL; + return error("PeekNamedPipe failed," + " GetLastError: %u", err); + } + } else if (avail) { + ufds[i].revents = POLLIN; + pending++; + } else + ufds[i].revents = 0; + } + if (!pending) { + /* The only times that we spin here is when the process + * that is connected through the pipes is waiting for + * its own input data to become available. But since + * the process (pack-objects) is itself CPU intensive, + * it will happily pick up the time slice that we are + * relinguishing here. + */ + Sleep(0); + goto repeat; + } + return 0; +} + +struct tm *gmtime_r(const time_t *timep, struct tm *result) +{ + /* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */ + memcpy(result, gmtime(timep), sizeof(struct tm)); + return result; +} + +struct tm *localtime_r(const time_t *timep, struct tm *result) +{ + /* localtime() in MSVCRT.DLL is thread-safe, but not reentrant */ + memcpy(result, localtime(timep), sizeof(struct tm)); + return result; +} + +#undef getcwd +char *mingw_getcwd(char *pointer, int len) +{ + int i; + char *ret = getcwd(pointer, len); + if (!ret) + return ret; + for (i = 0; pointer[i]; i++) + if (pointer[i] == '\\') + pointer[i] = '/'; + return ret; +} + +#undef getenv +char *mingw_getenv(const char *name) +{ + char *result = getenv(name); + if (!result && !strcmp(name, "TMPDIR")) { + /* on Windows it is TMP and TEMP */ + result = getenv("TMP"); + if (!result) + result = getenv("TEMP"); + } + return result; +} + +/* + * See http://msdn2.microsoft.com/en-us/library/17w5ykft(vs.71).aspx + * (Parsing C++ Command-Line Arguments) + */ +static const char *quote_arg(const char *arg) +{ + /* count chars to quote */ + int len = 0, n = 0; + int force_quotes = 0; + char *q, *d; + const char *p = arg; + if (!*p) force_quotes = 1; + while (*p) { + if (isspace(*p) || *p == '*' || *p == '?' || *p == '{') + force_quotes = 1; + else if (*p == '"') + n++; + else if (*p == '\\') { + int count = 0; + while (*p == '\\') { + count++; + p++; + len++; + } + if (*p == '"') + n += count*2 + 1; + continue; + } + len++; + p++; + } + if (!force_quotes && n == 0) + return arg; + + /* insert \ where necessary */ + d = q = xmalloc(len+n+3); + *d++ = '"'; + while (*arg) { + if (*arg == '"') + *d++ = '\\'; + else if (*arg == '\\') { + int count = 0; + while (*arg == '\\') { + count++; + *d++ = *arg++; + } + if (*arg == '"') { + while (count-- > 0) + *d++ = '\\'; + *d++ = '\\'; + } + } + *d++ = *arg++; + } + *d++ = '"'; + *d++ = 0; + return q; +} + +static const char *parse_interpreter(const char *cmd) +{ + static char buf[100]; + char *p, *opt; + int n, fd; + + /* don't even try a .exe */ + n = strlen(cmd); + if (n >= 4 && !strcasecmp(cmd+n-4, ".exe")) + return NULL; + + fd = open(cmd, O_RDONLY); + if (fd < 0) + return NULL; + n = read(fd, buf, sizeof(buf)-1); + close(fd); + if (n < 4) /* at least '#!/x' and not error */ + return NULL; + + if (buf[0] != '#' || buf[1] != '!') + return NULL; + buf[n] = '\0'; + p = strchr(buf, '\n'); + if (!p) + return NULL; + + *p = '\0'; + if (!(p = strrchr(buf+2, '/')) && !(p = strrchr(buf+2, '\\'))) + return NULL; + /* strip options */ + if ((opt = strchr(p+1, ' '))) + *opt = '\0'; + return p+1; +} + +/* + * Splits the PATH into parts. + */ +static char **get_path_split(void) +{ + char *p, **path, *envpath = getenv("PATH"); + int i, n = 0; + + if (!envpath || !*envpath) + return NULL; + + envpath = xstrdup(envpath); + p = envpath; + while (p) { + char *dir = p; + p = strchr(p, ';'); + if (p) *p++ = '\0'; + if (*dir) { /* not earlier, catches series of ; */ + ++n; + } + } + if (!n) + return NULL; + + path = xmalloc((n+1)*sizeof(char*)); + p = envpath; + i = 0; + do { + if (*p) + path[i++] = xstrdup(p); + p = p+strlen(p)+1; + } while (i < n); + path[i] = NULL; + + free(envpath); + + return path; +} + +static void free_path_split(char **path) +{ + if (!path) + return; + + char **p = path; + while (*p) + free(*p++); + free(path); +} + +/* + * exe_only means that we only want to detect .exe files, but not scripts + * (which do not have an extension) + */ +static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only) +{ + char path[MAX_PATH]; + snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd); + + if (!isexe && access(path, F_OK) == 0) + return xstrdup(path); + path[strlen(path)-4] = '\0'; + if ((!exe_only || isexe) && access(path, F_OK) == 0) + return xstrdup(path); + return NULL; +} + +/* + * Determines the absolute path of cmd using the the split path in path. + * If cmd contains a slash or backslash, no lookup is performed. + */ +static char *path_lookup(const char *cmd, char **path, int exe_only) +{ + char *prog = NULL; + int len = strlen(cmd); + int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe"); + + if (strchr(cmd, '/') || strchr(cmd, '\\')) + prog = xstrdup(cmd); + + while (!prog && *path) + prog = lookup_prog(*path++, cmd, isexe, exe_only); + + return prog; +} + +static int env_compare(const void *a, const void *b) +{ + char *const *ea = a; + char *const *eb = b; + return strcasecmp(*ea, *eb); +} + +static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, + int prepend_cmd) +{ + STARTUPINFO si; + PROCESS_INFORMATION pi; + struct strbuf envblk, args; + unsigned flags; + BOOL ret; + + /* Determine whether or not we are associated to a console */ + HANDLE cons = CreateFile("CONOUT$", GENERIC_WRITE, + FILE_SHARE_WRITE, NULL, OPEN_EXISTING, + FILE_ATTRIBUTE_NORMAL, NULL); + if (cons == INVALID_HANDLE_VALUE) { + /* There is no console associated with this process. + * Since the child is a console process, Windows + * would normally create a console window. But + * since we'll be redirecting std streams, we do + * not need the console. + */ + flags = CREATE_NO_WINDOW; + } else { + /* There is already a console. If we specified + * CREATE_NO_WINDOW here, too, Windows would + * disassociate the child from the console. + * Go figure! + */ + flags = 0; + CloseHandle(cons); + } + memset(&si, 0, sizeof(si)); + si.cb = sizeof(si); + si.dwFlags = STARTF_USESTDHANDLES; + si.hStdInput = (HANDLE) _get_osfhandle(0); + si.hStdOutput = (HANDLE) _get_osfhandle(1); + si.hStdError = (HANDLE) _get_osfhandle(2); + + /* concatenate argv, quoting args as we go */ + strbuf_init(&args, 0); + if (prepend_cmd) { + char *quoted = (char *)quote_arg(cmd); + strbuf_addstr(&args, quoted); + if (quoted != cmd) + free(quoted); + } + for (; *argv; argv++) { + char *quoted = (char *)quote_arg(*argv); + if (*args.buf) + strbuf_addch(&args, ' '); + strbuf_addstr(&args, quoted); + if (quoted != *argv) + free(quoted); + } + + if (env) { + int count = 0; + char **e, **sorted_env; + + for (e = env; *e; e++) + count++; + + /* environment must be sorted */ + sorted_env = xmalloc(sizeof(*sorted_env) * (count + 1)); + memcpy(sorted_env, env, sizeof(*sorted_env) * (count + 1)); + qsort(sorted_env, count, sizeof(*sorted_env), env_compare); + + strbuf_init(&envblk, 0); + for (e = sorted_env; *e; e++) { + strbuf_addstr(&envblk, *e); + strbuf_addch(&envblk, '\0'); + } + free(sorted_env); + } + + memset(&pi, 0, sizeof(pi)); + ret = CreateProcess(cmd, args.buf, NULL, NULL, TRUE, flags, + env ? envblk.buf : NULL, NULL, &si, &pi); + + if (env) + strbuf_release(&envblk); + strbuf_release(&args); + + if (!ret) { + errno = ENOENT; + return -1; + } + CloseHandle(pi.hThread); + return (pid_t)pi.hProcess; +} + +pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env) +{ + pid_t pid; + char **path = get_path_split(); + char *prog = path_lookup(cmd, path, 0); + + if (!prog) { + errno = ENOENT; + pid = -1; + } + else { + const char *interpr = parse_interpreter(prog); + + if (interpr) { + const char *argv0 = argv[0]; + char *iprog = path_lookup(interpr, path, 1); + argv[0] = prog; + if (!iprog) { + errno = ENOENT; + pid = -1; + } + else { + pid = mingw_spawnve(iprog, argv, env, 1); + free(iprog); + } + argv[0] = argv0; + } + else + pid = mingw_spawnve(prog, argv, env, 0); + free(prog); + } + free_path_split(path); + return pid; +} + +static int try_shell_exec(const char *cmd, char *const *argv, char **env) +{ + const char *interpr = parse_interpreter(cmd); + char **path; + char *prog; + int pid = 0; + + if (!interpr) + return 0; + path = get_path_split(); + prog = path_lookup(interpr, path, 1); + if (prog) { + int argc = 0; + const char **argv2; + while (argv[argc]) argc++; + argv2 = xmalloc(sizeof(*argv) * (argc+1)); + argv2[0] = (char *)cmd; /* full path to the script file */ + memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc); + pid = mingw_spawnve(prog, argv2, env, 1); + if (pid >= 0) { + int status; + if (waitpid(pid, &status, 0) < 0) + status = 255; + exit(status); + } + pid = 1; /* indicate that we tried but failed */ + free(prog); + free(argv2); + } + free_path_split(path); + return pid; +} + +static void mingw_execve(const char *cmd, char *const *argv, char *const *env) +{ + /* check if git_command is a shell script */ + if (!try_shell_exec(cmd, argv, (char **)env)) { + int pid, status; + + pid = mingw_spawnve(cmd, (const char **)argv, (char **)env, 0); + if (pid < 0) + return; + if (waitpid(pid, &status, 0) < 0) + status = 255; + exit(status); + } +} + +void mingw_execvp(const char *cmd, char *const *argv) +{ + char **path = get_path_split(); + char *prog = path_lookup(cmd, path, 0); + + if (prog) { + mingw_execve(prog, argv, environ); + free(prog); + } else + errno = ENOENT; + + free_path_split(path); +} + +char **copy_environ() +{ + char **env; + int i = 0; + while (environ[i]) + i++; + env = xmalloc((i+1)*sizeof(*env)); + for (i = 0; environ[i]; i++) + env[i] = xstrdup(environ[i]); + env[i] = NULL; + return env; +} + +void free_environ(char **env) +{ + int i; + for (i = 0; env[i]; i++) + free(env[i]); + free(env); +} + +static int lookup_env(char **env, const char *name, size_t nmln) +{ + int i; + + for (i = 0; env[i]; i++) { + if (0 == strncmp(env[i], name, nmln) + && '=' == env[i][nmln]) + /* matches */ + return i; + } + return -1; +} + +/* + * If name contains '=', then sets the variable, otherwise it unsets it + */ +char **env_setenv(char **env, const char *name) +{ + char *eq = strchrnul(name, '='); + int i = lookup_env(env, name, eq-name); + + if (i < 0) { + if (*eq) { + for (i = 0; env[i]; i++) + ; + env = xrealloc(env, (i+2)*sizeof(*env)); + env[i] = xstrdup(name); + env[i+1] = NULL; + } + } + else { + free(env[i]); + if (*eq) + env[i] = xstrdup(name); + else + for (; env[i]; i++) + env[i] = env[i+1]; + } + return env; +} + +/* this is the first function to call into WS_32; initialize it */ +#undef gethostbyname +struct hostent *mingw_gethostbyname(const char *host) +{ + WSADATA wsa; + + if (WSAStartup(MAKEWORD(2,2), &wsa)) + die("unable to initialize winsock subsystem, error %d", + WSAGetLastError()); + atexit((void(*)(void)) WSACleanup); + return gethostbyname(host); +} + +int mingw_socket(int domain, int type, int protocol) +{ + int sockfd; + SOCKET s = WSASocket(domain, type, protocol, NULL, 0, 0); + if (s == INVALID_SOCKET) { + /* + * WSAGetLastError() values are regular BSD error codes + * biased by WSABASEERR. + * However, strerror() does not know about networking + * specific errors, which are values beginning at 38 or so. + * Therefore, we choose to leave the biased error code + * in errno so that _if_ someone looks up the code somewhere, + * then it is at least the number that are usually listed. + */ + errno = WSAGetLastError(); + return -1; + } + /* convert into a file descriptor */ + if ((sockfd = _open_osfhandle(s, O_RDWR|O_BINARY)) < 0) { + closesocket(s); + return error("unable to make a socket file descriptor: %s", + strerror(errno)); + } + return sockfd; +} + +#undef connect +int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz) +{ + SOCKET s = (SOCKET)_get_osfhandle(sockfd); + return connect(s, sa, sz); +} + +#undef rename +int mingw_rename(const char *pold, const char *pnew) +{ + /* + * Try native rename() first to get errno right. + * It is based on MoveFile(), which cannot overwrite existing files. + */ + if (!rename(pold, pnew)) + return 0; + if (errno != EEXIST) + return -1; + if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING)) + return 0; + /* TODO: translate more errors */ + if (GetLastError() == ERROR_ACCESS_DENIED) { + DWORD attrs = GetFileAttributes(pnew); + if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY)) { + errno = EISDIR; + return -1; + } + } + errno = EACCES; + return -1; +} + +struct passwd *getpwuid(int uid) +{ + static char user_name[100]; + static struct passwd p; + + DWORD len = sizeof(user_name); + if (!GetUserName(user_name, &len)) + return NULL; + p.pw_name = user_name; + p.pw_gecos = "unknown"; + p.pw_dir = NULL; + return &p; +} + +static HANDLE timer_event; +static HANDLE timer_thread; +static int timer_interval; +static int one_shot; +static sig_handler_t timer_fn = SIG_DFL; + +/* The timer works like this: + * The thread, ticktack(), is a trivial routine that most of the time + * only waits to receive the signal to terminate. The main thread tells + * the thread to terminate by setting the timer_event to the signalled + * state. + * But ticktack() interrupts the wait state after the timer's interval + * length to call the signal handler. + */ + +static __stdcall unsigned ticktack(void *dummy) +{ + while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) { + if (timer_fn == SIG_DFL) + die("Alarm"); + if (timer_fn != SIG_IGN) + timer_fn(SIGALRM); + if (one_shot) + break; + } + return 0; +} + +static int start_timer_thread(void) +{ + timer_event = CreateEvent(NULL, FALSE, FALSE, NULL); + if (timer_event) { + timer_thread = (HANDLE) _beginthreadex(NULL, 0, ticktack, NULL, 0, NULL); + if (!timer_thread ) + return errno = ENOMEM, + error("cannot start timer thread"); + } else + return errno = ENOMEM, + error("cannot allocate resources for timer"); + return 0; +} + +static void stop_timer_thread(void) +{ + if (timer_event) + SetEvent(timer_event); /* tell thread to terminate */ + if (timer_thread) { + int rc = WaitForSingleObject(timer_thread, 1000); + if (rc == WAIT_TIMEOUT) + error("timer thread did not terminate timely"); + else if (rc != WAIT_OBJECT_0) + error("waiting for timer thread failed: %lu", + GetLastError()); + CloseHandle(timer_thread); + } + if (timer_event) + CloseHandle(timer_event); + timer_event = NULL; + timer_thread = NULL; +} + +static inline int is_timeval_eq(const struct timeval *i1, const struct timeval *i2) +{ + return i1->tv_sec == i2->tv_sec && i1->tv_usec == i2->tv_usec; +} + +int setitimer(int type, struct itimerval *in, struct itimerval *out) +{ + static const struct timeval zero; + static int atexit_done; + + if (out != NULL) + return errno = EINVAL, + error("setitimer param 3 != NULL not implemented"); + if (!is_timeval_eq(&in->it_interval, &zero) && + !is_timeval_eq(&in->it_interval, &in->it_value)) + return errno = EINVAL, + error("setitimer: it_interval must be zero or eq it_value"); + + if (timer_thread) + stop_timer_thread(); + + if (is_timeval_eq(&in->it_value, &zero) && + is_timeval_eq(&in->it_interval, &zero)) + return 0; + + timer_interval = in->it_value.tv_sec * 1000 + in->it_value.tv_usec / 1000; + one_shot = is_timeval_eq(&in->it_interval, &zero); + if (!atexit_done) { + atexit(stop_timer_thread); + atexit_done = 1; + } + return start_timer_thread(); +} + +int sigaction(int sig, struct sigaction *in, struct sigaction *out) +{ + if (sig != SIGALRM) + return errno = EINVAL, + error("sigaction only implemented for SIGALRM"); + if (out != NULL) + return errno = EINVAL, + error("sigaction: param 3 != NULL not implemented"); + + timer_fn = in->sa_handler; + return 0; +} + +#undef signal +sig_handler_t mingw_signal(int sig, sig_handler_t handler) +{ + if (sig != SIGALRM) + return signal(sig, handler); + sig_handler_t old = timer_fn; + timer_fn = handler; + return old; +} diff --git a/compat/mingw.h b/compat/mingw.h new file mode 100644 index 0000000000..6bc049ad99 --- /dev/null +++ b/compat/mingw.h @@ -0,0 +1,211 @@ +#include <winsock2.h> + +/* + * things that are not available in header files + */ + +typedef int pid_t; +#define hstrerror strerror + +#define S_IFLNK 0120000 /* Symbolic link */ +#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK) +#define S_ISSOCK(x) 0 +#define S_IRGRP 0 +#define S_IWGRP 0 +#define S_IXGRP 0 +#define S_ISGID 0 +#define S_IROTH 0 +#define S_IXOTH 0 + +#define WIFEXITED(x) ((unsigned)(x) < 259) /* STILL_ACTIVE */ +#define WEXITSTATUS(x) ((x) & 0xff) +#define WIFSIGNALED(x) ((unsigned)(x) > 259) + +#define SIGKILL 0 +#define SIGCHLD 0 +#define SIGPIPE 0 +#define SIGHUP 0 +#define SIGQUIT 0 +#define SIGALRM 100 + +#define F_GETFD 1 +#define F_SETFD 2 +#define FD_CLOEXEC 0x1 + +struct passwd { + char *pw_name; + char *pw_gecos; + char *pw_dir; +}; + +struct pollfd { + int fd; /* file descriptor */ + short events; /* requested events */ + short revents; /* returned events */ +}; +#define POLLIN 1 +#define POLLHUP 2 + +typedef void (__cdecl *sig_handler_t)(int); +struct sigaction { + sig_handler_t sa_handler; + unsigned sa_flags; +}; +#define sigemptyset(x) (void)0 +#define SA_RESTART 0 + +struct itimerval { + struct timeval it_value, it_interval; +}; +#define ITIMER_REAL 0 + +/* + * trivial stubs + */ + +static inline int readlink(const char *path, char *buf, size_t bufsiz) +{ errno = ENOSYS; return -1; } +static inline int symlink(const char *oldpath, const char *newpath) +{ errno = ENOSYS; return -1; } +static inline int link(const char *oldpath, const char *newpath) +{ errno = ENOSYS; return -1; } +static inline int fchmod(int fildes, mode_t mode) +{ errno = ENOSYS; return -1; } +static inline int fork(void) +{ errno = ENOSYS; return -1; } +static inline unsigned int alarm(unsigned int seconds) +{ return 0; } +static inline int fsync(int fd) +{ return 0; } +static inline int getppid(void) +{ return 1; } +static inline void sync(void) +{} +static inline int getuid() +{ return 1; } +static inline struct passwd *getpwnam(const char *name) +{ return NULL; } +static inline int fcntl(int fd, int cmd, long arg) +{ + if (cmd == F_GETFD || cmd == F_SETFD) + return 0; + errno = EINVAL; + return -1; +} + +/* + * simple adaptors + */ + +static inline int mingw_mkdir(const char *path, int mode) +{ + return mkdir(path); +} +#define mkdir mingw_mkdir + +static inline int mingw_unlink(const char *pathname) +{ + /* read-only files cannot be removed */ + chmod(pathname, 0666); + return unlink(pathname); +} +#define unlink mingw_unlink + +static inline int waitpid(pid_t pid, unsigned *status, unsigned options) +{ + if (options == 0) + return _cwait(status, pid, 0); + errno = EINVAL; + return -1; +} + +/* + * implementations of missing functions + */ + +int pipe(int filedes[2]); +unsigned int sleep (unsigned int seconds); +int mkstemp(char *template); +int gettimeofday(struct timeval *tv, void *tz); +int poll(struct pollfd *ufds, unsigned int nfds, int timeout); +struct tm *gmtime_r(const time_t *timep, struct tm *result); +struct tm *localtime_r(const time_t *timep, struct tm *result); +int getpagesize(void); /* defined in MinGW's libgcc.a */ +struct passwd *getpwuid(int uid); +int setitimer(int type, struct itimerval *in, struct itimerval *out); +int sigaction(int sig, struct sigaction *in, struct sigaction *out); + +/* + * replacements of existing functions + */ + +int mingw_open (const char *filename, int oflags, ...); +#define open mingw_open + +char *mingw_getcwd(char *pointer, int len); +#define getcwd mingw_getcwd + +char *mingw_getenv(const char *name); +#define getenv mingw_getenv + +struct hostent *mingw_gethostbyname(const char *host); +#define gethostbyname mingw_gethostbyname + +int mingw_socket(int domain, int type, int protocol); +#define socket mingw_socket + +int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz); +#define connect mingw_connect + +int mingw_rename(const char*, const char*); +#define rename mingw_rename + +/* Use mingw_lstat() instead of lstat()/stat() and + * mingw_fstat() instead of fstat() on Windows. + * struct stat is redefined because it lacks the st_blocks member. + */ +struct mingw_stat { + unsigned st_mode; + time_t st_mtime, st_atime, st_ctime; + unsigned st_dev, st_ino, st_uid, st_gid; + size_t st_size; + size_t st_blocks; +}; +int mingw_lstat(const char *file_name, struct mingw_stat *buf); +int mingw_fstat(int fd, struct mingw_stat *buf); +#define fstat mingw_fstat +#define lstat mingw_lstat +#define stat mingw_stat +static inline int mingw_stat(const char *file_name, struct mingw_stat *buf) +{ return mingw_lstat(file_name, buf); } + +int mingw_utime(const char *file_name, const struct utimbuf *times); +#define utime mingw_utime + +pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env); +void mingw_execvp(const char *cmd, char *const *argv); +#define execvp mingw_execvp + +static inline unsigned int git_ntohl(unsigned int x) +{ return (unsigned int)ntohl(x); } +#define ntohl git_ntohl + +sig_handler_t mingw_signal(int sig, sig_handler_t handler); +#define signal mingw_signal + +/* + * git specific compatibility + */ + +#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':') +#define is_dir_sep(c) ((c) == '/' || (c) == '\\') +#define PATH_SEP ';' +#define PRIuMAX "I64u" + +/* + * helpers + */ + +char **copy_environ(void); +void free_environ(char **env); +char **env_setenv(char **env, const char *name); diff --git a/compat/regex.c b/compat/regex.c new file mode 100644 index 0000000000..87b33e4669 --- /dev/null +++ b/compat/regex.c @@ -0,0 +1,4927 @@ +/* Extended regular expression matching and search library, + version 0.12. + (Implements POSIX draft P10003.2/D11.2, except for + internationalization features.) + + Copyright (C) 1993 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* AIX requires this to be the first thing in the file. */ +#if defined (_AIX) && !defined (REGEX_MALLOC) + #pragma alloca +#endif + +#define _GNU_SOURCE + +/* We need this for `regex.h', and perhaps for the Emacs include files. */ +#include <sys/types.h> + +/* We used to test for `BSTRING' here, but only GCC and Emacs define + `BSTRING', as far as I know, and neither of them use this code. */ +#include <string.h> +#ifndef bcmp +#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n)) +#endif +#ifndef bcopy +#define bcopy(s, d, n) memcpy ((d), (s), (n)) +#endif +#ifndef bzero +#define bzero(s, n) memset ((s), 0, (n)) +#endif + +#include <stdlib.h> + + +/* Define the syntax stuff for \<, \>, etc. */ + +/* This must be nonzero for the wordchar and notwordchar pattern + commands in re_match_2. */ +#ifndef Sword +#define Sword 1 +#endif + +#ifdef SYNTAX_TABLE + +extern char *re_syntax_table; + +#else /* not SYNTAX_TABLE */ + +/* How many characters in the character set. */ +#define CHAR_SET_SIZE 256 + +static char re_syntax_table[CHAR_SET_SIZE]; + +static void +init_syntax_once () +{ + register int c; + static int done = 0; + + if (done) + return; + + bzero (re_syntax_table, sizeof re_syntax_table); + + for (c = 'a'; c <= 'z'; c++) + re_syntax_table[c] = Sword; + + for (c = 'A'; c <= 'Z'; c++) + re_syntax_table[c] = Sword; + + for (c = '0'; c <= '9'; c++) + re_syntax_table[c] = Sword; + + re_syntax_table['_'] = Sword; + + done = 1; +} + +#endif /* not SYNTAX_TABLE */ + +#define SYNTAX(c) re_syntax_table[c] + + +/* Get the interface, including the syntax bits. */ +#include "regex.h" + +/* isalpha etc. are used for the character classes. */ +#include <ctype.h> + +#ifndef isascii +#define isascii(c) 1 +#endif + +#ifdef isblank +#define ISBLANK(c) (isascii (c) && isblank (c)) +#else +#define ISBLANK(c) ((c) == ' ' || (c) == '\t') +#endif +#ifdef isgraph +#define ISGRAPH(c) (isascii (c) && isgraph (c)) +#else +#define ISGRAPH(c) (isascii (c) && isprint (c) && !isspace (c)) +#endif + +#define ISPRINT(c) (isascii (c) && isprint (c)) +#define ISDIGIT(c) (isascii (c) && isdigit (c)) +#define ISALNUM(c) (isascii (c) && isalnum (c)) +#define ISALPHA(c) (isascii (c) && isalpha (c)) +#define ISCNTRL(c) (isascii (c) && iscntrl (c)) +#define ISLOWER(c) (isascii (c) && islower (c)) +#define ISPUNCT(c) (isascii (c) && ispunct (c)) +#define ISSPACE(c) (isascii (c) && isspace (c)) +#define ISUPPER(c) (isascii (c) && isupper (c)) +#define ISXDIGIT(c) (isascii (c) && isxdigit (c)) + +#ifndef NULL +#define NULL 0 +#endif + +/* We remove any previous definition of `SIGN_EXTEND_CHAR', + since ours (we hope) works properly with all combinations of + machines, compilers, `char' and `unsigned char' argument types. + (Per Bothner suggested the basic approach.) */ +#undef SIGN_EXTEND_CHAR +#if __STDC__ +#define SIGN_EXTEND_CHAR(c) ((signed char) (c)) +#else /* not __STDC__ */ +/* As in Harbison and Steele. */ +#define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128) +#endif + +/* Should we use malloc or alloca? If REGEX_MALLOC is not defined, we + use `alloca' instead of `malloc'. This is because using malloc in + re_search* or re_match* could cause memory leaks when C-g is used in + Emacs; also, malloc is slower and causes storage fragmentation. On + the other hand, malloc is more portable, and easier to debug. + + Because we sometimes use alloca, some routines have to be macros, + not functions -- `alloca'-allocated space disappears at the end of the + function it is called in. */ + +#ifdef REGEX_MALLOC + +#define REGEX_ALLOCATE malloc +#define REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize) + +#else /* not REGEX_MALLOC */ + +/* Emacs already defines alloca, sometimes. */ +#ifndef alloca + +/* Make alloca work the best possible way. */ +#ifdef __GNUC__ +#define alloca __builtin_alloca +#else /* not __GNUC__ */ +#if HAVE_ALLOCA_H +#include <alloca.h> +#else /* not __GNUC__ or HAVE_ALLOCA_H */ +#ifndef _AIX /* Already did AIX, up at the top. */ +char *alloca (); +#endif /* not _AIX */ +#endif /* not HAVE_ALLOCA_H */ +#endif /* not __GNUC__ */ + +#endif /* not alloca */ + +#define REGEX_ALLOCATE alloca + +/* Assumes a `char *destination' variable. */ +#define REGEX_REALLOCATE(source, osize, nsize) \ + (destination = (char *) alloca (nsize), \ + bcopy (source, destination, osize), \ + destination) + +#endif /* not REGEX_MALLOC */ + + +/* True if `size1' is non-NULL and PTR is pointing anywhere inside + `string1' or just past its end. This works if PTR is NULL, which is + a good thing. */ +#define FIRST_STRING_P(ptr) \ + (size1 && string1 <= (ptr) && (ptr) <= string1 + size1) + +/* (Re)Allocate N items of type T using malloc, or fail. */ +#define TALLOC(n, t) ((t *) malloc ((n) * sizeof (t))) +#define RETALLOC(addr, n, t) ((addr) = (t *) realloc (addr, (n) * sizeof (t))) +#define REGEX_TALLOC(n, t) ((t *) REGEX_ALLOCATE ((n) * sizeof (t))) + +#define BYTEWIDTH 8 /* In bits. */ + +#define STREQ(s1, s2) ((strcmp (s1, s2) == 0)) + +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + +typedef char boolean; +#define false 0 +#define true 1 + +/* These are the command codes that appear in compiled regular + expressions. Some opcodes are followed by argument bytes. A + command code can specify any interpretation whatsoever for its + arguments. Zero bytes may appear in the compiled regular expression. + + The value of `exactn' is needed in search.c (search_buffer) in Emacs. + So regex.h defines a symbol `RE_EXACTN_VALUE' to be 1; the value of + `exactn' we use here must also be 1. */ + +typedef enum +{ + no_op = 0, + + /* Followed by one byte giving n, then by n literal bytes. */ + exactn = 1, + + /* Matches any (more or less) character. */ + anychar, + + /* Matches any one char belonging to specified set. First + following byte is number of bitmap bytes. Then come bytes + for a bitmap saying which chars are in. Bits in each byte + are ordered low-bit-first. A character is in the set if its + bit is 1. A character too large to have a bit in the map is + automatically not in the set. */ + charset, + + /* Same parameters as charset, but match any character that is + not one of those specified. */ + charset_not, + + /* Start remembering the text that is matched, for storing in a + register. Followed by one byte with the register number, in + the range 0 to one less than the pattern buffer's re_nsub + field. Then followed by one byte with the number of groups + inner to this one. (This last has to be part of the + start_memory only because we need it in the on_failure_jump + of re_match_2.) */ + start_memory, + + /* Stop remembering the text that is matched and store it in a + memory register. Followed by one byte with the register + number, in the range 0 to one less than `re_nsub' in the + pattern buffer, and one byte with the number of inner groups, + just like `start_memory'. (We need the number of inner + groups here because we don't have any easy way of finding the + corresponding start_memory when we're at a stop_memory.) */ + stop_memory, + + /* Match a duplicate of something remembered. Followed by one + byte containing the register number. */ + duplicate, + + /* Fail unless at beginning of line. */ + begline, + + /* Fail unless at end of line. */ + endline, + + /* Succeeds if at beginning of buffer (if emacs) or at beginning + of string to be matched (if not). */ + begbuf, + + /* Analogously, for end of buffer/string. */ + endbuf, + + /* Followed by two byte relative address to which to jump. */ + jump, + + /* Same as jump, but marks the end of an alternative. */ + jump_past_alt, + + /* Followed by two-byte relative address of place to resume at + in case of failure. */ + on_failure_jump, + + /* Like on_failure_jump, but pushes a placeholder instead of the + current string position when executed. */ + on_failure_keep_string_jump, + + /* Throw away latest failure point and then jump to following + two-byte relative address. */ + pop_failure_jump, + + /* Change to pop_failure_jump if know won't have to backtrack to + match; otherwise change to jump. This is used to jump + back to the beginning of a repeat. If what follows this jump + clearly won't match what the repeat does, such that we can be + sure that there is no use backtracking out of repetitions + already matched, then we change it to a pop_failure_jump. + Followed by two-byte address. */ + maybe_pop_jump, + + /* Jump to following two-byte address, and push a dummy failure + point. This failure point will be thrown away if an attempt + is made to use it for a failure. A `+' construct makes this + before the first repeat. Also used as an intermediary kind + of jump when compiling an alternative. */ + dummy_failure_jump, + + /* Push a dummy failure point and continue. Used at the end of + alternatives. */ + push_dummy_failure, + + /* Followed by two-byte relative address and two-byte number n. + After matching N times, jump to the address upon failure. */ + succeed_n, + + /* Followed by two-byte relative address, and two-byte number n. + Jump to the address N times, then fail. */ + jump_n, + + /* Set the following two-byte relative address to the + subsequent two-byte number. The address *includes* the two + bytes of number. */ + set_number_at, + + wordchar, /* Matches any word-constituent character. */ + notwordchar, /* Matches any char that is not a word-constituent. */ + + wordbeg, /* Succeeds if at word beginning. */ + wordend, /* Succeeds if at word end. */ + + wordbound, /* Succeeds if at a word boundary. */ + notwordbound /* Succeeds if not at a word boundary. */ + +#ifdef emacs + ,before_dot, /* Succeeds if before point. */ + at_dot, /* Succeeds if at point. */ + after_dot, /* Succeeds if after point. */ + + /* Matches any character whose syntax is specified. Followed by + a byte which contains a syntax code, e.g., Sword. */ + syntaxspec, + + /* Matches any character whose syntax is not that specified. */ + notsyntaxspec +#endif /* emacs */ +} re_opcode_t; + +/* Common operations on the compiled pattern. */ + +/* Store NUMBER in two contiguous bytes starting at DESTINATION. */ + +#define STORE_NUMBER(destination, number) \ + do { \ + (destination)[0] = (number) & 0377; \ + (destination)[1] = (number) >> 8; \ + } while (0) + +/* Same as STORE_NUMBER, except increment DESTINATION to + the byte after where the number is stored. Therefore, DESTINATION + must be an lvalue. */ + +#define STORE_NUMBER_AND_INCR(destination, number) \ + do { \ + STORE_NUMBER (destination, number); \ + (destination) += 2; \ + } while (0) + +/* Put into DESTINATION a number stored in two contiguous bytes starting + at SOURCE. */ + +#define EXTRACT_NUMBER(destination, source) \ + do { \ + (destination) = *(source) & 0377; \ + (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8; \ + } while (0) + +#ifdef DEBUG +static void +extract_number (dest, source) + int *dest; + unsigned char *source; +{ + int temp = SIGN_EXTEND_CHAR (*(source + 1)); + *dest = *source & 0377; + *dest += temp << 8; +} + +#ifndef EXTRACT_MACROS /* To debug the macros. */ +#undef EXTRACT_NUMBER +#define EXTRACT_NUMBER(dest, src) extract_number (&dest, src) +#endif /* not EXTRACT_MACROS */ + +#endif /* DEBUG */ + +/* Same as EXTRACT_NUMBER, except increment SOURCE to after the number. + SOURCE must be an lvalue. */ + +#define EXTRACT_NUMBER_AND_INCR(destination, source) \ + do { \ + EXTRACT_NUMBER (destination, source); \ + (source) += 2; \ + } while (0) + +#ifdef DEBUG +static void +extract_number_and_incr (destination, source) + int *destination; + unsigned char **source; +{ + extract_number (destination, *source); + *source += 2; +} + +#ifndef EXTRACT_MACROS +#undef EXTRACT_NUMBER_AND_INCR +#define EXTRACT_NUMBER_AND_INCR(dest, src) \ + extract_number_and_incr (&dest, &src) +#endif /* not EXTRACT_MACROS */ + +#endif /* DEBUG */ + +/* If DEBUG is defined, Regex prints many voluminous messages about what + it is doing (if the variable `debug' is nonzero). If linked with the + main program in `iregex.c', you can enter patterns and strings + interactively. And if linked with the main program in `main.c' and + the other test files, you can run the already-written tests. */ + +#ifdef DEBUG + +/* We use standard I/O for debugging. */ +#include <stdio.h> + +/* It is useful to test things that ``must'' be true when debugging. */ +#include <assert.h> + +static int debug = 0; + +#define DEBUG_STATEMENT(e) e +#define DEBUG_PRINT1(x) if (debug) printf (x) +#define DEBUG_PRINT2(x1, x2) if (debug) printf (x1, x2) +#define DEBUG_PRINT3(x1, x2, x3) if (debug) printf (x1, x2, x3) +#define DEBUG_PRINT4(x1, x2, x3, x4) if (debug) printf (x1, x2, x3, x4) +#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) \ + if (debug) print_partial_compiled_pattern (s, e) +#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2) \ + if (debug) print_double_string (w, s1, sz1, s2, sz2) + + +extern void printchar (); + +/* Print the fastmap in human-readable form. */ + +void +print_fastmap (fastmap) + char *fastmap; +{ + unsigned was_a_range = 0; + unsigned i = 0; + + while (i < (1 << BYTEWIDTH)) + { + if (fastmap[i++]) + { + was_a_range = 0; + printchar (i - 1); + while (i < (1 << BYTEWIDTH) && fastmap[i]) + { + was_a_range = 1; + i++; + } + if (was_a_range) + { + printf ("-"); + printchar (i - 1); + } + } + } + putchar ('\n'); +} + + +/* Print a compiled pattern string in human-readable form, starting at + the START pointer into it and ending just before the pointer END. */ + +void +print_partial_compiled_pattern (start, end) + unsigned char *start; + unsigned char *end; +{ + int mcnt, mcnt2; + unsigned char *p = start; + unsigned char *pend = end; + + if (start == NULL) + { + printf ("(null)\n"); + return; + } + + /* Loop over pattern commands. */ + while (p < pend) + { + switch ((re_opcode_t) *p++) + { + case no_op: + printf ("/no_op"); + break; + + case exactn: + mcnt = *p++; + printf ("/exactn/%d", mcnt); + do + { + putchar ('/'); + printchar (*p++); + } + while (--mcnt); + break; + + case start_memory: + mcnt = *p++; + printf ("/start_memory/%d/%d", mcnt, *p++); + break; + + case stop_memory: + mcnt = *p++; + printf ("/stop_memory/%d/%d", mcnt, *p++); + break; + + case duplicate: + printf ("/duplicate/%d", *p++); + break; + + case anychar: + printf ("/anychar"); + break; + + case charset: + case charset_not: + { + register int c; + + printf ("/charset%s", + (re_opcode_t) *(p - 1) == charset_not ? "_not" : ""); + + assert (p + *p < pend); + + for (c = 0; c < *p; c++) + { + unsigned bit; + unsigned char map_byte = p[1 + c]; + + putchar ('/'); + + for (bit = 0; bit < BYTEWIDTH; bit++) + if (map_byte & (1 << bit)) + printchar (c * BYTEWIDTH + bit); + } + p += 1 + *p; + break; + } + + case begline: + printf ("/begline"); + break; + + case endline: + printf ("/endline"); + break; + + case on_failure_jump: + extract_number_and_incr (&mcnt, &p); + printf ("/on_failure_jump/0/%d", mcnt); + break; + + case on_failure_keep_string_jump: + extract_number_and_incr (&mcnt, &p); + printf ("/on_failure_keep_string_jump/0/%d", mcnt); + break; + + case dummy_failure_jump: + extract_number_and_incr (&mcnt, &p); + printf ("/dummy_failure_jump/0/%d", mcnt); + break; + + case push_dummy_failure: + printf ("/push_dummy_failure"); + break; + + case maybe_pop_jump: + extract_number_and_incr (&mcnt, &p); + printf ("/maybe_pop_jump/0/%d", mcnt); + break; + + case pop_failure_jump: + extract_number_and_incr (&mcnt, &p); + printf ("/pop_failure_jump/0/%d", mcnt); + break; + + case jump_past_alt: + extract_number_and_incr (&mcnt, &p); + printf ("/jump_past_alt/0/%d", mcnt); + break; + + case jump: + extract_number_and_incr (&mcnt, &p); + printf ("/jump/0/%d", mcnt); + break; + + case succeed_n: + extract_number_and_incr (&mcnt, &p); + extract_number_and_incr (&mcnt2, &p); + printf ("/succeed_n/0/%d/0/%d", mcnt, mcnt2); + break; + + case jump_n: + extract_number_and_incr (&mcnt, &p); + extract_number_and_incr (&mcnt2, &p); + printf ("/jump_n/0/%d/0/%d", mcnt, mcnt2); + break; + + case set_number_at: + extract_number_and_incr (&mcnt, &p); + extract_number_and_incr (&mcnt2, &p); + printf ("/set_number_at/0/%d/0/%d", mcnt, mcnt2); + break; + + case wordbound: + printf ("/wordbound"); + break; + + case notwordbound: + printf ("/notwordbound"); + break; + + case wordbeg: + printf ("/wordbeg"); + break; + + case wordend: + printf ("/wordend"); + +#ifdef emacs + case before_dot: + printf ("/before_dot"); + break; + + case at_dot: + printf ("/at_dot"); + break; + + case after_dot: + printf ("/after_dot"); + break; + + case syntaxspec: + printf ("/syntaxspec"); + mcnt = *p++; + printf ("/%d", mcnt); + break; + + case notsyntaxspec: + printf ("/notsyntaxspec"); + mcnt = *p++; + printf ("/%d", mcnt); + break; +#endif /* emacs */ + + case wordchar: + printf ("/wordchar"); + break; + + case notwordchar: + printf ("/notwordchar"); + break; + + case begbuf: + printf ("/begbuf"); + break; + + case endbuf: + printf ("/endbuf"); + break; + + default: + printf ("?%d", *(p-1)); + } + } + printf ("/\n"); +} + + +void +print_compiled_pattern (bufp) + struct re_pattern_buffer *bufp; +{ + unsigned char *buffer = bufp->buffer; + + print_partial_compiled_pattern (buffer, buffer + bufp->used); + printf ("%d bytes used/%d bytes allocated.\n", bufp->used, bufp->allocated); + + if (bufp->fastmap_accurate && bufp->fastmap) + { + printf ("fastmap: "); + print_fastmap (bufp->fastmap); + } + + printf ("re_nsub: %d\t", bufp->re_nsub); + printf ("regs_alloc: %d\t", bufp->regs_allocated); + printf ("can_be_null: %d\t", bufp->can_be_null); + printf ("newline_anchor: %d\n", bufp->newline_anchor); + printf ("no_sub: %d\t", bufp->no_sub); + printf ("not_bol: %d\t", bufp->not_bol); + printf ("not_eol: %d\t", bufp->not_eol); + printf ("syntax: %d\n", bufp->syntax); + /* Perhaps we should print the translate table? */ +} + + +void +print_double_string (where, string1, size1, string2, size2) + const char *where; + const char *string1; + const char *string2; + int size1; + int size2; +{ + unsigned this_char; + + if (where == NULL) + printf ("(null)"); + else + { + if (FIRST_STRING_P (where)) + { + for (this_char = where - string1; this_char < size1; this_char++) + printchar (string1[this_char]); + + where = string2; + } + + for (this_char = where - string2; this_char < size2; this_char++) + printchar (string2[this_char]); + } +} + +#else /* not DEBUG */ + +#undef assert +#define assert(e) + +#define DEBUG_STATEMENT(e) +#define DEBUG_PRINT1(x) +#define DEBUG_PRINT2(x1, x2) +#define DEBUG_PRINT3(x1, x2, x3) +#define DEBUG_PRINT4(x1, x2, x3, x4) +#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) +#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2) + +#endif /* not DEBUG */ + +/* Set by `re_set_syntax' to the current regexp syntax to recognize. Can + also be assigned to arbitrarily: each pattern buffer stores its own + syntax, so it can be changed between regex compilations. */ +reg_syntax_t re_syntax_options = RE_SYNTAX_EMACS; + + +/* Specify the precise syntax of regexps for compilation. This provides + for compatibility for various utilities which historically have + different, incompatible syntaxes. + + The argument SYNTAX is a bit mask comprised of the various bits + defined in regex.h. We return the old syntax. */ + +reg_syntax_t +re_set_syntax (syntax) + reg_syntax_t syntax; +{ + reg_syntax_t ret = re_syntax_options; + + re_syntax_options = syntax; + return ret; +} + +/* This table gives an error message for each of the error codes listed + in regex.h. Obviously the order here has to be same as there. */ + +static const char *re_error_msg[] = + { NULL, /* REG_NOERROR */ + "No match", /* REG_NOMATCH */ + "Invalid regular expression", /* REG_BADPAT */ + "Invalid collation character", /* REG_ECOLLATE */ + "Invalid character class name", /* REG_ECTYPE */ + "Trailing backslash", /* REG_EESCAPE */ + "Invalid back reference", /* REG_ESUBREG */ + "Unmatched [ or [^", /* REG_EBRACK */ + "Unmatched ( or \\(", /* REG_EPAREN */ + "Unmatched \\{", /* REG_EBRACE */ + "Invalid content of \\{\\}", /* REG_BADBR */ + "Invalid range end", /* REG_ERANGE */ + "Memory exhausted", /* REG_ESPACE */ + "Invalid preceding regular expression", /* REG_BADRPT */ + "Premature end of regular expression", /* REG_EEND */ + "Regular expression too big", /* REG_ESIZE */ + "Unmatched ) or \\)", /* REG_ERPAREN */ + }; + +/* Subroutine declarations and macros for regex_compile. */ + +static void store_op1 (), store_op2 (); +static void insert_op1 (), insert_op2 (); +static boolean at_begline_loc_p (), at_endline_loc_p (); +static boolean group_in_compile_stack (); +static reg_errcode_t compile_range (); + +/* Fetch the next character in the uncompiled pattern---translating it + if necessary. Also cast from a signed character in the constant + string passed to us by the user to an unsigned char that we can use + as an array index (in, e.g., `translate'). */ +#define PATFETCH(c) \ + do {if (p == pend) return REG_EEND; \ + c = (unsigned char) *p++; \ + if (translate) c = translate[c]; \ + } while (0) + +/* Fetch the next character in the uncompiled pattern, with no + translation. */ +#define PATFETCH_RAW(c) \ + do {if (p == pend) return REG_EEND; \ + c = (unsigned char) *p++; \ + } while (0) + +/* Go backwards one character in the pattern. */ +#define PATUNFETCH p-- + + +/* If `translate' is non-null, return translate[D], else just D. We + cast the subscript to translate because some data is declared as + `char *', to avoid warnings when a string constant is passed. But + when we use a character as a subscript we must make it unsigned. */ +#define TRANSLATE(d) (translate ? translate[(unsigned char) (d)] : (d)) + + +/* Macros for outputting the compiled pattern into `buffer'. */ + +/* If the buffer isn't allocated when it comes in, use this. */ +#define INIT_BUF_SIZE 32 + +/* Make sure we have at least N more bytes of space in buffer. */ +#define GET_BUFFER_SPACE(n) \ + while (b - bufp->buffer + (n) > bufp->allocated) \ + EXTEND_BUFFER () + +/* Make sure we have one more byte of buffer space and then add C to it. */ +#define BUF_PUSH(c) \ + do { \ + GET_BUFFER_SPACE (1); \ + *b++ = (unsigned char) (c); \ + } while (0) + + +/* Ensure we have two more bytes of buffer space and then append C1 and C2. */ +#define BUF_PUSH_2(c1, c2) \ + do { \ + GET_BUFFER_SPACE (2); \ + *b++ = (unsigned char) (c1); \ + *b++ = (unsigned char) (c2); \ + } while (0) + + +/* As with BUF_PUSH_2, except for three bytes. */ +#define BUF_PUSH_3(c1, c2, c3) \ + do { \ + GET_BUFFER_SPACE (3); \ + *b++ = (unsigned char) (c1); \ + *b++ = (unsigned char) (c2); \ + *b++ = (unsigned char) (c3); \ + } while (0) + + +/* Store a jump with opcode OP at LOC to location TO. We store a + relative address offset by the three bytes the jump itself occupies. */ +#define STORE_JUMP(op, loc, to) \ + store_op1 (op, loc, (to) - (loc) - 3) + +/* Likewise, for a two-argument jump. */ +#define STORE_JUMP2(op, loc, to, arg) \ + store_op2 (op, loc, (to) - (loc) - 3, arg) + +/* Like `STORE_JUMP', but for inserting. Assume `b' is the buffer end. */ +#define INSERT_JUMP(op, loc, to) \ + insert_op1 (op, loc, (to) - (loc) - 3, b) + +/* Like `STORE_JUMP2', but for inserting. Assume `b' is the buffer end. */ +#define INSERT_JUMP2(op, loc, to, arg) \ + insert_op2 (op, loc, (to) - (loc) - 3, arg, b) + + +/* This is not an arbitrary limit: the arguments which represent offsets + into the pattern are two bytes long. So if 2^16 bytes turns out to + be too small, many things would have to change. */ +#define MAX_BUF_SIZE (1L << 16) + + +/* Extend the buffer by twice its current size via realloc and + reset the pointers that pointed into the old block to point to the + correct places in the new one. If extending the buffer results in it + being larger than MAX_BUF_SIZE, then flag memory exhausted. */ +#define EXTEND_BUFFER() \ + do { \ + unsigned char *old_buffer = bufp->buffer; \ + if (bufp->allocated == MAX_BUF_SIZE) \ + return REG_ESIZE; \ + bufp->allocated <<= 1; \ + if (bufp->allocated > MAX_BUF_SIZE) \ + bufp->allocated = MAX_BUF_SIZE; \ + bufp->buffer = (unsigned char *) realloc (bufp->buffer, bufp->allocated);\ + if (bufp->buffer == NULL) \ + return REG_ESPACE; \ + /* If the buffer moved, move all the pointers into it. */ \ + if (old_buffer != bufp->buffer) \ + { \ + b = (b - old_buffer) + bufp->buffer; \ + begalt = (begalt - old_buffer) + bufp->buffer; \ + if (fixup_alt_jump) \ + fixup_alt_jump = (fixup_alt_jump - old_buffer) + bufp->buffer;\ + if (laststart) \ + laststart = (laststart - old_buffer) + bufp->buffer; \ + if (pending_exact) \ + pending_exact = (pending_exact - old_buffer) + bufp->buffer; \ + } \ + } while (0) + + +/* Since we have one byte reserved for the register number argument to + {start,stop}_memory, the maximum number of groups we can report + things about is what fits in that byte. */ +#define MAX_REGNUM 255 + +/* But patterns can have more than `MAX_REGNUM' registers. We just + ignore the excess. */ +typedef unsigned regnum_t; + + +/* Macros for the compile stack. */ + +/* Since offsets can go either forwards or backwards, this type needs to + be able to hold values from -(MAX_BUF_SIZE - 1) to MAX_BUF_SIZE - 1. */ +typedef int pattern_offset_t; + +typedef struct +{ + pattern_offset_t begalt_offset; + pattern_offset_t fixup_alt_jump; + pattern_offset_t inner_group_offset; + pattern_offset_t laststart_offset; + regnum_t regnum; +} compile_stack_elt_t; + + +typedef struct +{ + compile_stack_elt_t *stack; + unsigned size; + unsigned avail; /* Offset of next open position. */ +} compile_stack_type; + + +#define INIT_COMPILE_STACK_SIZE 32 + +#define COMPILE_STACK_EMPTY (compile_stack.avail == 0) +#define COMPILE_STACK_FULL (compile_stack.avail == compile_stack.size) + +/* The next available element. */ +#define COMPILE_STACK_TOP (compile_stack.stack[compile_stack.avail]) + + +/* Set the bit for character C in a list. */ +#define SET_LIST_BIT(c) \ + (b[((unsigned char) (c)) / BYTEWIDTH] \ + |= 1 << (((unsigned char) c) % BYTEWIDTH)) + + +/* Get the next unsigned number in the uncompiled pattern. */ +#define GET_UNSIGNED_NUMBER(num) \ + { if (p != pend) \ + { \ + PATFETCH (c); \ + while (ISDIGIT (c)) \ + { \ + if (num < 0) \ + num = 0; \ + num = num * 10 + c - '0'; \ + if (p == pend) \ + break; \ + PATFETCH (c); \ + } \ + } \ + } + +#define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */ + +#define IS_CHAR_CLASS(string) \ + (STREQ (string, "alpha") || STREQ (string, "upper") \ + || STREQ (string, "lower") || STREQ (string, "digit") \ + || STREQ (string, "alnum") || STREQ (string, "xdigit") \ + || STREQ (string, "space") || STREQ (string, "print") \ + || STREQ (string, "punct") || STREQ (string, "graph") \ + || STREQ (string, "cntrl") || STREQ (string, "blank")) + +/* `regex_compile' compiles PATTERN (of length SIZE) according to SYNTAX. + Returns one of error codes defined in `regex.h', or zero for success. + + Assumes the `allocated' (and perhaps `buffer') and `translate' + fields are set in BUFP on entry. + + If it succeeds, results are put in BUFP (if it returns an error, the + contents of BUFP are undefined): + `buffer' is the compiled pattern; + `syntax' is set to SYNTAX; + `used' is set to the length of the compiled pattern; + `fastmap_accurate' is zero; + `re_nsub' is the number of subexpressions in PATTERN; + `not_bol' and `not_eol' are zero; + + The `fastmap' and `newline_anchor' fields are neither + examined nor set. */ + +static reg_errcode_t +regex_compile (pattern, size, syntax, bufp) + const char *pattern; + int size; + reg_syntax_t syntax; + struct re_pattern_buffer *bufp; +{ + /* We fetch characters from PATTERN here. Even though PATTERN is + `char *' (i.e., signed), we declare these variables as unsigned, so + they can be reliably used as array indices. */ + register unsigned char c, c1; + + /* A random tempory spot in PATTERN. */ + const char *p1; + + /* Points to the end of the buffer, where we should append. */ + register unsigned char *b; + + /* Keeps track of unclosed groups. */ + compile_stack_type compile_stack; + + /* Points to the current (ending) position in the pattern. */ + const char *p = pattern; + const char *pend = pattern + size; + + /* How to translate the characters in the pattern. */ + char *translate = bufp->translate; + + /* Address of the count-byte of the most recently inserted `exactn' + command. This makes it possible to tell if a new exact-match + character can be added to that command or if the character requires + a new `exactn' command. */ + unsigned char *pending_exact = 0; + + /* Address of start of the most recently finished expression. + This tells, e.g., postfix * where to find the start of its + operand. Reset at the beginning of groups and alternatives. */ + unsigned char *laststart = 0; + + /* Address of beginning of regexp, or inside of last group. */ + unsigned char *begalt; + + /* Place in the uncompiled pattern (i.e., the {) to + which to go back if the interval is invalid. */ + const char *beg_interval; + + /* Address of the place where a forward jump should go to the end of + the containing expression. Each alternative of an `or' -- except the + last -- ends with a forward jump of this sort. */ + unsigned char *fixup_alt_jump = 0; + + /* Counts open-groups as they are encountered. Remembered for the + matching close-group on the compile stack, so the same register + number is put in the stop_memory as the start_memory. */ + regnum_t regnum = 0; + +#ifdef DEBUG + DEBUG_PRINT1 ("\nCompiling pattern: "); + if (debug) + { + unsigned debug_count; + + for (debug_count = 0; debug_count < size; debug_count++) + printchar (pattern[debug_count]); + putchar ('\n'); + } +#endif /* DEBUG */ + + /* Initialize the compile stack. */ + compile_stack.stack = TALLOC (INIT_COMPILE_STACK_SIZE, compile_stack_elt_t); + if (compile_stack.stack == NULL) + return REG_ESPACE; + + compile_stack.size = INIT_COMPILE_STACK_SIZE; + compile_stack.avail = 0; + + /* Initialize the pattern buffer. */ + bufp->syntax = syntax; + bufp->fastmap_accurate = 0; + bufp->not_bol = bufp->not_eol = 0; + + /* Set `used' to zero, so that if we return an error, the pattern + printer (for debugging) will think there's no pattern. We reset it + at the end. */ + bufp->used = 0; + + /* Always count groups, whether or not bufp->no_sub is set. */ + bufp->re_nsub = 0; + +#if !defined (emacs) && !defined (SYNTAX_TABLE) + /* Initialize the syntax table. */ + init_syntax_once (); +#endif + + if (bufp->allocated == 0) + { + if (bufp->buffer) + { /* If zero allocated, but buffer is non-null, try to realloc + enough space. This loses if buffer's address is bogus, but + that is the user's responsibility. */ + RETALLOC (bufp->buffer, INIT_BUF_SIZE, unsigned char); + } + else + { /* Caller did not allocate a buffer. Do it for them. */ + bufp->buffer = TALLOC (INIT_BUF_SIZE, unsigned char); + } + if (!bufp->buffer) return REG_ESPACE; + + bufp->allocated = INIT_BUF_SIZE; + } + + begalt = b = bufp->buffer; + + /* Loop through the uncompiled pattern until we're at the end. */ + while (p != pend) + { + PATFETCH (c); + + switch (c) + { + case '^': + { + if ( /* If at start of pattern, it's an operator. */ + p == pattern + 1 + /* If context independent, it's an operator. */ + || syntax & RE_CONTEXT_INDEP_ANCHORS + /* Otherwise, depends on what's come before. */ + || at_begline_loc_p (pattern, p, syntax)) + BUF_PUSH (begline); + else + goto normal_char; + } + break; + + + case '$': + { + if ( /* If at end of pattern, it's an operator. */ + p == pend + /* If context independent, it's an operator. */ + || syntax & RE_CONTEXT_INDEP_ANCHORS + /* Otherwise, depends on what's next. */ + || at_endline_loc_p (p, pend, syntax)) + BUF_PUSH (endline); + else + goto normal_char; + } + break; + + + case '+': + case '?': + if ((syntax & RE_BK_PLUS_QM) + || (syntax & RE_LIMITED_OPS)) + goto normal_char; + handle_plus: + case '*': + /* If there is no previous pattern... */ + if (!laststart) + { + if (syntax & RE_CONTEXT_INVALID_OPS) + return REG_BADRPT; + else if (!(syntax & RE_CONTEXT_INDEP_OPS)) + goto normal_char; + } + + { + /* Are we optimizing this jump? */ + boolean keep_string_p = false; + + /* 1 means zero (many) matches is allowed. */ + char zero_times_ok = 0, many_times_ok = 0; + + /* If there is a sequence of repetition chars, collapse it + down to just one (the right one). We can't combine + interval operators with these because of, e.g., `a{2}*', + which should only match an even number of `a's. */ + + for (;;) + { + zero_times_ok |= c != '+'; + many_times_ok |= c != '?'; + + if (p == pend) + break; + + PATFETCH (c); + + if (c == '*' + || (!(syntax & RE_BK_PLUS_QM) && (c == '+' || c == '?'))) + ; + + else if (syntax & RE_BK_PLUS_QM && c == '\\') + { + if (p == pend) return REG_EESCAPE; + + PATFETCH (c1); + if (!(c1 == '+' || c1 == '?')) + { + PATUNFETCH; + PATUNFETCH; + break; + } + + c = c1; + } + else + { + PATUNFETCH; + break; + } + + /* If we get here, we found another repeat character. */ + } + + /* Star, etc. applied to an empty pattern is equivalent + to an empty pattern. */ + if (!laststart) + break; + + /* Now we know whether or not zero matches is allowed + and also whether or not two or more matches is allowed. */ + if (many_times_ok) + { /* More than one repetition is allowed, so put in at the + end a backward relative jump from `b' to before the next + jump we're going to put in below (which jumps from + laststart to after this jump). + + But if we are at the `*' in the exact sequence `.*\n', + insert an unconditional jump backwards to the ., + instead of the beginning of the loop. This way we only + push a failure point once, instead of every time + through the loop. */ + assert (p - 1 > pattern); + + /* Allocate the space for the jump. */ + GET_BUFFER_SPACE (3); + + /* We know we are not at the first character of the pattern, + because laststart was nonzero. And we've already + incremented `p', by the way, to be the character after + the `*'. Do we have to do something analogous here + for null bytes, because of RE_DOT_NOT_NULL? */ + if (TRANSLATE (*(p - 2)) == TRANSLATE ('.') + && zero_times_ok + && p < pend && TRANSLATE (*p) == TRANSLATE ('\n') + && !(syntax & RE_DOT_NEWLINE)) + { /* We have .*\n. */ + STORE_JUMP (jump, b, laststart); + keep_string_p = true; + } + else + /* Anything else. */ + STORE_JUMP (maybe_pop_jump, b, laststart - 3); + + /* We've added more stuff to the buffer. */ + b += 3; + } + + /* On failure, jump from laststart to b + 3, which will be the + end of the buffer after this jump is inserted. */ + GET_BUFFER_SPACE (3); + INSERT_JUMP (keep_string_p ? on_failure_keep_string_jump + : on_failure_jump, + laststart, b + 3); + pending_exact = 0; + b += 3; + + if (!zero_times_ok) + { + /* At least one repetition is required, so insert a + `dummy_failure_jump' before the initial + `on_failure_jump' instruction of the loop. This + effects a skip over that instruction the first time + we hit that loop. */ + GET_BUFFER_SPACE (3); + INSERT_JUMP (dummy_failure_jump, laststart, laststart + 6); + b += 3; + } + } + break; + + + case '.': + laststart = b; + BUF_PUSH (anychar); + break; + + + case '[': + { + boolean had_char_class = false; + + if (p == pend) return REG_EBRACK; + + /* Ensure that we have enough space to push a charset: the + opcode, the length count, and the bitset; 34 bytes in all. */ + GET_BUFFER_SPACE (34); + + laststart = b; + + /* We test `*p == '^' twice, instead of using an if + statement, so we only need one BUF_PUSH. */ + BUF_PUSH (*p == '^' ? charset_not : charset); + if (*p == '^') + p++; + + /* Remember the first position in the bracket expression. */ + p1 = p; + + /* Push the number of bytes in the bitmap. */ + BUF_PUSH ((1 << BYTEWIDTH) / BYTEWIDTH); + + /* Clear the whole map. */ + bzero (b, (1 << BYTEWIDTH) / BYTEWIDTH); + + /* charset_not matches newline according to a syntax bit. */ + if ((re_opcode_t) b[-2] == charset_not + && (syntax & RE_HAT_LISTS_NOT_NEWLINE)) + SET_LIST_BIT ('\n'); + + /* Read in characters and ranges, setting map bits. */ + for (;;) + { + if (p == pend) return REG_EBRACK; + + PATFETCH (c); + + /* \ might escape characters inside [...] and [^...]. */ + if ((syntax & RE_BACKSLASH_ESCAPE_IN_LISTS) && c == '\\') + { + if (p == pend) return REG_EESCAPE; + + PATFETCH (c1); + SET_LIST_BIT (c1); + continue; + } + + /* Could be the end of the bracket expression. If it's + not (i.e., when the bracket expression is `[]' so + far), the ']' character bit gets set way below. */ + if (c == ']' && p != p1 + 1) + break; + + /* Look ahead to see if it's a range when the last thing + was a character class. */ + if (had_char_class && c == '-' && *p != ']') + return REG_ERANGE; + + /* Look ahead to see if it's a range when the last thing + was a character: if this is a hyphen not at the + beginning or the end of a list, then it's the range + operator. */ + if (c == '-' + && !(p - 2 >= pattern && p[-2] == '[') + && !(p - 3 >= pattern && p[-3] == '[' && p[-2] == '^') + && *p != ']') + { + reg_errcode_t ret + = compile_range (&p, pend, translate, syntax, b); + if (ret != REG_NOERROR) return ret; + } + + else if (p[0] == '-' && p[1] != ']') + { /* This handles ranges made up of characters only. */ + reg_errcode_t ret; + + /* Move past the `-'. */ + PATFETCH (c1); + + ret = compile_range (&p, pend, translate, syntax, b); + if (ret != REG_NOERROR) return ret; + } + + /* See if we're at the beginning of a possible character + class. */ + + else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == ':') + { /* Leave room for the null. */ + char str[CHAR_CLASS_MAX_LENGTH + 1]; + + PATFETCH (c); + c1 = 0; + + /* If pattern is `[[:'. */ + if (p == pend) return REG_EBRACK; + + for (;;) + { + PATFETCH (c); + if (c == ':' || c == ']' || p == pend + || c1 == CHAR_CLASS_MAX_LENGTH) + break; + str[c1++] = c; + } + str[c1] = '\0'; + + /* If isn't a word bracketed by `[:' and:`]': + undo the ending character, the letters, and leave + the leading `:' and `[' (but set bits for them). */ + if (c == ':' && *p == ']') + { + int ch; + boolean is_alnum = STREQ (str, "alnum"); + boolean is_alpha = STREQ (str, "alpha"); + boolean is_blank = STREQ (str, "blank"); + boolean is_cntrl = STREQ (str, "cntrl"); + boolean is_digit = STREQ (str, "digit"); + boolean is_graph = STREQ (str, "graph"); + boolean is_lower = STREQ (str, "lower"); + boolean is_print = STREQ (str, "print"); + boolean is_punct = STREQ (str, "punct"); + boolean is_space = STREQ (str, "space"); + boolean is_upper = STREQ (str, "upper"); + boolean is_xdigit = STREQ (str, "xdigit"); + + if (!IS_CHAR_CLASS (str)) return REG_ECTYPE; + + /* Throw away the ] at the end of the character + class. */ + PATFETCH (c); + + if (p == pend) return REG_EBRACK; + + for (ch = 0; ch < 1 << BYTEWIDTH; ch++) + { + if ( (is_alnum && ISALNUM (ch)) + || (is_alpha && ISALPHA (ch)) + || (is_blank && ISBLANK (ch)) + || (is_cntrl && ISCNTRL (ch)) + || (is_digit && ISDIGIT (ch)) + || (is_graph && ISGRAPH (ch)) + || (is_lower && ISLOWER (ch)) + || (is_print && ISPRINT (ch)) + || (is_punct && ISPUNCT (ch)) + || (is_space && ISSPACE (ch)) + || (is_upper && ISUPPER (ch)) + || (is_xdigit && ISXDIGIT (ch))) + SET_LIST_BIT (ch); + } + had_char_class = true; + } + else + { + c1++; + while (c1--) + PATUNFETCH; + SET_LIST_BIT ('['); + SET_LIST_BIT (':'); + had_char_class = false; + } + } + else + { + had_char_class = false; + SET_LIST_BIT (c); + } + } + + /* Discard any (non)matching list bytes that are all 0 at the + end of the map. Decrease the map-length byte too. */ + while ((int) b[-1] > 0 && b[b[-1] - 1] == 0) + b[-1]--; + b += b[-1]; + } + break; + + + case '(': + if (syntax & RE_NO_BK_PARENS) + goto handle_open; + else + goto normal_char; + + + case ')': + if (syntax & RE_NO_BK_PARENS) + goto handle_close; + else + goto normal_char; + + + case '\n': + if (syntax & RE_NEWLINE_ALT) + goto handle_alt; + else + goto normal_char; + + + case '|': + if (syntax & RE_NO_BK_VBAR) + goto handle_alt; + else + goto normal_char; + + + case '{': + if (syntax & RE_INTERVALS && syntax & RE_NO_BK_BRACES) + goto handle_interval; + else + goto normal_char; + + + case '\\': + if (p == pend) return REG_EESCAPE; + + /* Do not translate the character after the \, so that we can + distinguish, e.g., \B from \b, even if we normally would + translate, e.g., B to b. */ + PATFETCH_RAW (c); + + switch (c) + { + case '(': + if (syntax & RE_NO_BK_PARENS) + goto normal_backslash; + + handle_open: + bufp->re_nsub++; + regnum++; + + if (COMPILE_STACK_FULL) + { + RETALLOC (compile_stack.stack, compile_stack.size << 1, + compile_stack_elt_t); + if (compile_stack.stack == NULL) return REG_ESPACE; + + compile_stack.size <<= 1; + } + + /* These are the values to restore when we hit end of this + group. They are all relative offsets, so that if the + whole pattern moves because of realloc, they will still + be valid. */ + COMPILE_STACK_TOP.begalt_offset = begalt - bufp->buffer; + COMPILE_STACK_TOP.fixup_alt_jump + = fixup_alt_jump ? fixup_alt_jump - bufp->buffer + 1 : 0; + COMPILE_STACK_TOP.laststart_offset = b - bufp->buffer; + COMPILE_STACK_TOP.regnum = regnum; + + /* We will eventually replace the 0 with the number of + groups inner to this one. But do not push a + start_memory for groups beyond the last one we can + represent in the compiled pattern. */ + if (regnum <= MAX_REGNUM) + { + COMPILE_STACK_TOP.inner_group_offset = b - bufp->buffer + 2; + BUF_PUSH_3 (start_memory, regnum, 0); + } + + compile_stack.avail++; + + fixup_alt_jump = 0; + laststart = 0; + begalt = b; + /* If we've reached MAX_REGNUM groups, then this open + won't actually generate any code, so we'll have to + clear pending_exact explicitly. */ + pending_exact = 0; + break; + + + case ')': + if (syntax & RE_NO_BK_PARENS) goto normal_backslash; + + if (COMPILE_STACK_EMPTY) + { + if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD) + goto normal_backslash; + else + return REG_ERPAREN; + } + + handle_close: + if (fixup_alt_jump) + { /* Push a dummy failure point at the end of the + alternative for a possible future + `pop_failure_jump' to pop. See comments at + `push_dummy_failure' in `re_match_2'. */ + BUF_PUSH (push_dummy_failure); + + /* We allocated space for this jump when we assigned + to `fixup_alt_jump', in the `handle_alt' case below. */ + STORE_JUMP (jump_past_alt, fixup_alt_jump, b - 1); + } + + /* See similar code for backslashed left paren above. */ + if (COMPILE_STACK_EMPTY) + { + if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD) + goto normal_char; + else + return REG_ERPAREN; + } + + /* Since we just checked for an empty stack above, this + ``can't happen''. */ + assert (compile_stack.avail != 0); + { + /* We don't just want to restore into `regnum', because + later groups should continue to be numbered higher, + as in `(ab)c(de)' -- the second group is #2. */ + regnum_t this_group_regnum; + + compile_stack.avail--; + begalt = bufp->buffer + COMPILE_STACK_TOP.begalt_offset; + fixup_alt_jump + = COMPILE_STACK_TOP.fixup_alt_jump + ? bufp->buffer + COMPILE_STACK_TOP.fixup_alt_jump - 1 + : 0; + laststart = bufp->buffer + COMPILE_STACK_TOP.laststart_offset; + this_group_regnum = COMPILE_STACK_TOP.regnum; + /* If we've reached MAX_REGNUM groups, then this open + won't actually generate any code, so we'll have to + clear pending_exact explicitly. */ + pending_exact = 0; + + /* We're at the end of the group, so now we know how many + groups were inside this one. */ + if (this_group_regnum <= MAX_REGNUM) + { + unsigned char *inner_group_loc + = bufp->buffer + COMPILE_STACK_TOP.inner_group_offset; + + *inner_group_loc = regnum - this_group_regnum; + BUF_PUSH_3 (stop_memory, this_group_regnum, + regnum - this_group_regnum); + } + } + break; + + + case '|': /* `\|'. */ + if (syntax & RE_LIMITED_OPS || syntax & RE_NO_BK_VBAR) + goto normal_backslash; + handle_alt: + if (syntax & RE_LIMITED_OPS) + goto normal_char; + + /* Insert before the previous alternative a jump which + jumps to this alternative if the former fails. */ + GET_BUFFER_SPACE (3); + INSERT_JUMP (on_failure_jump, begalt, b + 6); + pending_exact = 0; + b += 3; + + /* The alternative before this one has a jump after it + which gets executed if it gets matched. Adjust that + jump so it will jump to this alternative's analogous + jump (put in below, which in turn will jump to the next + (if any) alternative's such jump, etc.). The last such + jump jumps to the correct final destination. A picture: + _____ _____ + | | | | + | v | v + a | b | c + + If we are at `b', then fixup_alt_jump right now points to a + three-byte space after `a'. We'll put in the jump, set + fixup_alt_jump to right after `b', and leave behind three + bytes which we'll fill in when we get to after `c'. */ + + if (fixup_alt_jump) + STORE_JUMP (jump_past_alt, fixup_alt_jump, b); + + /* Mark and leave space for a jump after this alternative, + to be filled in later either by next alternative or + when know we're at the end of a series of alternatives. */ + fixup_alt_jump = b; + GET_BUFFER_SPACE (3); + b += 3; + + laststart = 0; + begalt = b; + break; + + + case '{': + /* If \{ is a literal. */ + if (!(syntax & RE_INTERVALS) + /* If we're at `\{' and it's not the open-interval + operator. */ + || ((syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES)) + || (p - 2 == pattern && p == pend)) + goto normal_backslash; + + handle_interval: + { + /* If got here, then the syntax allows intervals. */ + + /* At least (most) this many matches must be made. */ + int lower_bound = -1, upper_bound = -1; + + beg_interval = p - 1; + + if (p == pend) + { + if (syntax & RE_NO_BK_BRACES) + goto unfetch_interval; + else + return REG_EBRACE; + } + + GET_UNSIGNED_NUMBER (lower_bound); + + if (c == ',') + { + GET_UNSIGNED_NUMBER (upper_bound); + if (upper_bound < 0) upper_bound = RE_DUP_MAX; + } + else + /* Interval such as `{1}' => match exactly once. */ + upper_bound = lower_bound; + + if (lower_bound < 0 || upper_bound > RE_DUP_MAX + || lower_bound > upper_bound) + { + if (syntax & RE_NO_BK_BRACES) + goto unfetch_interval; + else + return REG_BADBR; + } + + if (!(syntax & RE_NO_BK_BRACES)) + { + if (c != '\\') return REG_EBRACE; + + PATFETCH (c); + } + + if (c != '}') + { + if (syntax & RE_NO_BK_BRACES) + goto unfetch_interval; + else + return REG_BADBR; + } + + /* We just parsed a valid interval. */ + + /* If it's invalid to have no preceding re. */ + if (!laststart) + { + if (syntax & RE_CONTEXT_INVALID_OPS) + return REG_BADRPT; + else if (syntax & RE_CONTEXT_INDEP_OPS) + laststart = b; + else + goto unfetch_interval; + } + + /* If the upper bound is zero, don't want to succeed at + all; jump from `laststart' to `b + 3', which will be + the end of the buffer after we insert the jump. */ + if (upper_bound == 0) + { + GET_BUFFER_SPACE (3); + INSERT_JUMP (jump, laststart, b + 3); + b += 3; + } + + /* Otherwise, we have a nontrivial interval. When + we're all done, the pattern will look like: + set_number_at <jump count> <upper bound> + set_number_at <succeed_n count> <lower bound> + succeed_n <after jump addr> <succed_n count> + <body of loop> + jump_n <succeed_n addr> <jump count> + (The upper bound and `jump_n' are omitted if + `upper_bound' is 1, though.) */ + else + { /* If the upper bound is > 1, we need to insert + more at the end of the loop. */ + unsigned nbytes = 10 + (upper_bound > 1) * 10; + + GET_BUFFER_SPACE (nbytes); + + /* Initialize lower bound of the `succeed_n', even + though it will be set during matching by its + attendant `set_number_at' (inserted next), + because `re_compile_fastmap' needs to know. + Jump to the `jump_n' we might insert below. */ + INSERT_JUMP2 (succeed_n, laststart, + b + 5 + (upper_bound > 1) * 5, + lower_bound); + b += 5; + + /* Code to initialize the lower bound. Insert + before the `succeed_n'. The `5' is the last two + bytes of this `set_number_at', plus 3 bytes of + the following `succeed_n'. */ + insert_op2 (set_number_at, laststart, 5, lower_bound, b); + b += 5; + + if (upper_bound > 1) + { /* More than one repetition is allowed, so + append a backward jump to the `succeed_n' + that starts this interval. + + When we've reached this during matching, + we'll have matched the interval once, so + jump back only `upper_bound - 1' times. */ + STORE_JUMP2 (jump_n, b, laststart + 5, + upper_bound - 1); + b += 5; + + /* The location we want to set is the second + parameter of the `jump_n'; that is `b-2' as + an absolute address. `laststart' will be + the `set_number_at' we're about to insert; + `laststart+3' the number to set, the source + for the relative address. But we are + inserting into the middle of the pattern -- + so everything is getting moved up by 5. + Conclusion: (b - 2) - (laststart + 3) + 5, + i.e., b - laststart. + + We insert this at the beginning of the loop + so that if we fail during matching, we'll + reinitialize the bounds. */ + insert_op2 (set_number_at, laststart, b - laststart, + upper_bound - 1, b); + b += 5; + } + } + pending_exact = 0; + beg_interval = NULL; + } + break; + + unfetch_interval: + /* If an invalid interval, match the characters as literals. */ + assert (beg_interval); + p = beg_interval; + beg_interval = NULL; + + /* normal_char and normal_backslash need `c'. */ + PATFETCH (c); + + if (!(syntax & RE_NO_BK_BRACES)) + { + if (p > pattern && p[-1] == '\\') + goto normal_backslash; + } + goto normal_char; + +#ifdef emacs + /* There is no way to specify the before_dot and after_dot + operators. rms says this is ok. --karl */ + case '=': + BUF_PUSH (at_dot); + break; + + case 's': + laststart = b; + PATFETCH (c); + BUF_PUSH_2 (syntaxspec, syntax_spec_code[c]); + break; + + case 'S': + laststart = b; + PATFETCH (c); + BUF_PUSH_2 (notsyntaxspec, syntax_spec_code[c]); + break; +#endif /* emacs */ + + + case 'w': + laststart = b; + BUF_PUSH (wordchar); + break; + + + case 'W': + laststart = b; + BUF_PUSH (notwordchar); + break; + + + case '<': + BUF_PUSH (wordbeg); + break; + + case '>': + BUF_PUSH (wordend); + break; + + case 'b': + BUF_PUSH (wordbound); + break; + + case 'B': + BUF_PUSH (notwordbound); + break; + + case '`': + BUF_PUSH (begbuf); + break; + + case '\'': + BUF_PUSH (endbuf); + break; + + case '1': case '2': case '3': case '4': case '5': + case '6': case '7': case '8': case '9': + if (syntax & RE_NO_BK_REFS) + goto normal_char; + + c1 = c - '0'; + + if (c1 > regnum) + return REG_ESUBREG; + + /* Can't back reference to a subexpression if inside of it. */ + if (group_in_compile_stack (compile_stack, c1)) + goto normal_char; + + laststart = b; + BUF_PUSH_2 (duplicate, c1); + break; + + + case '+': + case '?': + if (syntax & RE_BK_PLUS_QM) + goto handle_plus; + else + goto normal_backslash; + + default: + normal_backslash: + /* You might think it would be useful for \ to mean + not to translate; but if we don't translate it + it will never match anything. */ + c = TRANSLATE (c); + goto normal_char; + } + break; + + + default: + /* Expects the character in `c'. */ + normal_char: + /* If no exactn currently being built. */ + if (!pending_exact + + /* If last exactn not at current position. */ + || pending_exact + *pending_exact + 1 != b + + /* We have only one byte following the exactn for the count. */ + || *pending_exact == (1 << BYTEWIDTH) - 1 + + /* If followed by a repetition operator. */ + || *p == '*' || *p == '^' + || ((syntax & RE_BK_PLUS_QM) + ? *p == '\\' && (p[1] == '+' || p[1] == '?') + : (*p == '+' || *p == '?')) + || ((syntax & RE_INTERVALS) + && ((syntax & RE_NO_BK_BRACES) + ? *p == '{' + : (p[0] == '\\' && p[1] == '{')))) + { + /* Start building a new exactn. */ + + laststart = b; + + BUF_PUSH_2 (exactn, 0); + pending_exact = b - 1; + } + + BUF_PUSH (c); + (*pending_exact)++; + break; + } /* switch (c) */ + } /* while p != pend */ + + + /* Through the pattern now. */ + + if (fixup_alt_jump) + STORE_JUMP (jump_past_alt, fixup_alt_jump, b); + + if (!COMPILE_STACK_EMPTY) + return REG_EPAREN; + + free (compile_stack.stack); + + /* We have succeeded; set the length of the buffer. */ + bufp->used = b - bufp->buffer; + +#ifdef DEBUG + if (debug) + { + DEBUG_PRINT1 ("\nCompiled pattern: "); + print_compiled_pattern (bufp); + } +#endif /* DEBUG */ + + return REG_NOERROR; +} /* regex_compile */ + +/* Subroutines for `regex_compile'. */ + +/* Store OP at LOC followed by two-byte integer parameter ARG. */ + +static void +store_op1 (op, loc, arg) + re_opcode_t op; + unsigned char *loc; + int arg; +{ + *loc = (unsigned char) op; + STORE_NUMBER (loc + 1, arg); +} + + +/* Like `store_op1', but for two two-byte parameters ARG1 and ARG2. */ + +static void +store_op2 (op, loc, arg1, arg2) + re_opcode_t op; + unsigned char *loc; + int arg1, arg2; +{ + *loc = (unsigned char) op; + STORE_NUMBER (loc + 1, arg1); + STORE_NUMBER (loc + 3, arg2); +} + + +/* Copy the bytes from LOC to END to open up three bytes of space at LOC + for OP followed by two-byte integer parameter ARG. */ + +static void +insert_op1 (op, loc, arg, end) + re_opcode_t op; + unsigned char *loc; + int arg; + unsigned char *end; +{ + register unsigned char *pfrom = end; + register unsigned char *pto = end + 3; + + while (pfrom != loc) + *--pto = *--pfrom; + + store_op1 (op, loc, arg); +} + + +/* Like `insert_op1', but for two two-byte parameters ARG1 and ARG2. */ + +static void +insert_op2 (op, loc, arg1, arg2, end) + re_opcode_t op; + unsigned char *loc; + int arg1, arg2; + unsigned char *end; +{ + register unsigned char *pfrom = end; + register unsigned char *pto = end + 5; + + while (pfrom != loc) + *--pto = *--pfrom; + + store_op2 (op, loc, arg1, arg2); +} + + +/* P points to just after a ^ in PATTERN. Return true if that ^ comes + after an alternative or a begin-subexpression. We assume there is at + least one character before the ^. */ + +static boolean +at_begline_loc_p (pattern, p, syntax) + const char *pattern, *p; + reg_syntax_t syntax; +{ + const char *prev = p - 2; + boolean prev_prev_backslash = prev > pattern && prev[-1] == '\\'; + + return + /* After a subexpression? */ + (*prev == '(' && (syntax & RE_NO_BK_PARENS || prev_prev_backslash)) + /* After an alternative? */ + || (*prev == '|' && (syntax & RE_NO_BK_VBAR || prev_prev_backslash)); +} + + +/* The dual of at_begline_loc_p. This one is for $. We assume there is + at least one character after the $, i.e., `P < PEND'. */ + +static boolean +at_endline_loc_p (p, pend, syntax) + const char *p, *pend; + int syntax; +{ + const char *next = p; + boolean next_backslash = *next == '\\'; + const char *next_next = p + 1 < pend ? p + 1 : NULL; + + return + /* Before a subexpression? */ + (syntax & RE_NO_BK_PARENS ? *next == ')' + : next_backslash && next_next && *next_next == ')') + /* Before an alternative? */ + || (syntax & RE_NO_BK_VBAR ? *next == '|' + : next_backslash && next_next && *next_next == '|'); +} + + +/* Returns true if REGNUM is in one of COMPILE_STACK's elements and + false if it's not. */ + +static boolean +group_in_compile_stack (compile_stack, regnum) + compile_stack_type compile_stack; + regnum_t regnum; +{ + int this_element; + + for (this_element = compile_stack.avail - 1; + this_element >= 0; + this_element--) + if (compile_stack.stack[this_element].regnum == regnum) + return true; + + return false; +} + + +/* Read the ending character of a range (in a bracket expression) from the + uncompiled pattern *P_PTR (which ends at PEND). We assume the + starting character is in `P[-2]'. (`P[-1]' is the character `-'.) + Then we set the translation of all bits between the starting and + ending characters (inclusive) in the compiled pattern B. + + Return an error code. + + We use these short variable names so we can use the same macros as + `regex_compile' itself. */ + +static reg_errcode_t +compile_range (p_ptr, pend, translate, syntax, b) + const char **p_ptr, *pend; + char *translate; + reg_syntax_t syntax; + unsigned char *b; +{ + unsigned this_char; + + const char *p = *p_ptr; + int range_start, range_end; + + if (p == pend) + return REG_ERANGE; + + /* Even though the pattern is a signed `char *', we need to fetch + with unsigned char *'s; if the high bit of the pattern character + is set, the range endpoints will be negative if we fetch using a + signed char *. + + We also want to fetch the endpoints without translating them; the + appropriate translation is done in the bit-setting loop below. */ + range_start = ((unsigned char *) p)[-2]; + range_end = ((unsigned char *) p)[0]; + + /* Have to increment the pointer into the pattern string, so the + caller isn't still at the ending character. */ + (*p_ptr)++; + + /* If the start is after the end, the range is empty. */ + if (range_start > range_end) + return syntax & RE_NO_EMPTY_RANGES ? REG_ERANGE : REG_NOERROR; + + /* Here we see why `this_char' has to be larger than an `unsigned + char' -- the range is inclusive, so if `range_end' == 0xff + (assuming 8-bit characters), we would otherwise go into an infinite + loop, since all characters <= 0xff. */ + for (this_char = range_start; this_char <= range_end; this_char++) + { + SET_LIST_BIT (TRANSLATE (this_char)); + } + + return REG_NOERROR; +} + +/* Failure stack declarations and macros; both re_compile_fastmap and + re_match_2 use a failure stack. These have to be macros because of + REGEX_ALLOCATE. */ + + +/* Number of failure points for which to initially allocate space + when matching. If this number is exceeded, we allocate more + space, so it is not a hard limit. */ +#ifndef INIT_FAILURE_ALLOC +#define INIT_FAILURE_ALLOC 5 +#endif + +/* Roughly the maximum number of failure points on the stack. Would be + exactly that if always used MAX_FAILURE_SPACE each time we failed. + This is a variable only so users of regex can assign to it; we never + change it ourselves. */ +int re_max_failures = 2000; + +typedef const unsigned char *fail_stack_elt_t; + +typedef struct +{ + fail_stack_elt_t *stack; + unsigned size; + unsigned avail; /* Offset of next open position. */ +} fail_stack_type; + +#define FAIL_STACK_EMPTY() (fail_stack.avail == 0) +#define FAIL_STACK_PTR_EMPTY() (fail_stack_ptr->avail == 0) +#define FAIL_STACK_FULL() (fail_stack.avail == fail_stack.size) +#define FAIL_STACK_TOP() (fail_stack.stack[fail_stack.avail]) + + +/* Initialize `fail_stack'. Do `return -2' if the alloc fails. */ + +#define INIT_FAIL_STACK() \ + do { \ + fail_stack.stack = (fail_stack_elt_t *) \ + REGEX_ALLOCATE (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t)); \ + \ + if (fail_stack.stack == NULL) \ + return -2; \ + \ + fail_stack.size = INIT_FAILURE_ALLOC; \ + fail_stack.avail = 0; \ + } while (0) + + +/* Double the size of FAIL_STACK, up to approximately `re_max_failures' items. + + Return 1 if succeeds, and 0 if either ran out of memory + allocating space for it or it was already too large. + + REGEX_REALLOCATE requires `destination' be declared. */ + +#define DOUBLE_FAIL_STACK(fail_stack) \ + ((fail_stack).size > re_max_failures * MAX_FAILURE_ITEMS \ + ? 0 \ + : ((fail_stack).stack = (fail_stack_elt_t *) \ + REGEX_REALLOCATE ((fail_stack).stack, \ + (fail_stack).size * sizeof (fail_stack_elt_t), \ + ((fail_stack).size << 1) * sizeof (fail_stack_elt_t)), \ + \ + (fail_stack).stack == NULL \ + ? 0 \ + : ((fail_stack).size <<= 1, \ + 1))) + + +/* Push PATTERN_OP on FAIL_STACK. + + Return 1 if was able to do so and 0 if ran out of memory allocating + space to do so. */ +#define PUSH_PATTERN_OP(pattern_op, fail_stack) \ + ((FAIL_STACK_FULL () \ + && !DOUBLE_FAIL_STACK (fail_stack)) \ + ? 0 \ + : ((fail_stack).stack[(fail_stack).avail++] = pattern_op, \ + 1)) + +/* This pushes an item onto the failure stack. Must be a four-byte + value. Assumes the variable `fail_stack'. Probably should only + be called from within `PUSH_FAILURE_POINT'. */ +#define PUSH_FAILURE_ITEM(item) \ + fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item + +/* The complement operation. Assumes `fail_stack' is nonempty. */ +#define POP_FAILURE_ITEM() fail_stack.stack[--fail_stack.avail] + +/* Used to omit pushing failure point id's when we're not debugging. */ +#ifdef DEBUG +#define DEBUG_PUSH PUSH_FAILURE_ITEM +#define DEBUG_POP(item_addr) *(item_addr) = POP_FAILURE_ITEM () +#else +#define DEBUG_PUSH(item) +#define DEBUG_POP(item_addr) +#endif + + +/* Push the information about the state we will need + if we ever fail back to it. + + Requires variables fail_stack, regstart, regend, reg_info, and + num_regs be declared. DOUBLE_FAIL_STACK requires `destination' be + declared. + + Does `return FAILURE_CODE' if runs out of memory. */ + +#define PUSH_FAILURE_POINT(pattern_place, string_place, failure_code) \ + do { \ + char *destination; \ + /* Must be int, so when we don't save any registers, the arithmetic \ + of 0 + -1 isn't done as unsigned. */ \ + int this_reg; \ + \ + DEBUG_STATEMENT (failure_id++); \ + DEBUG_STATEMENT (nfailure_points_pushed++); \ + DEBUG_PRINT2 ("\nPUSH_FAILURE_POINT #%u:\n", failure_id); \ + DEBUG_PRINT2 (" Before push, next avail: %d\n", (fail_stack).avail);\ + DEBUG_PRINT2 (" size: %d\n", (fail_stack).size);\ + \ + DEBUG_PRINT2 (" slots needed: %d\n", NUM_FAILURE_ITEMS); \ + DEBUG_PRINT2 (" available: %d\n", REMAINING_AVAIL_SLOTS); \ + \ + /* Ensure we have enough space allocated for what we will push. */ \ + while (REMAINING_AVAIL_SLOTS < NUM_FAILURE_ITEMS) \ + { \ + if (!DOUBLE_FAIL_STACK (fail_stack)) \ + return failure_code; \ + \ + DEBUG_PRINT2 ("\n Doubled stack; size now: %d\n", \ + (fail_stack).size); \ + DEBUG_PRINT2 (" slots available: %d\n", REMAINING_AVAIL_SLOTS);\ + } \ + \ + /* Push the info, starting with the registers. */ \ + DEBUG_PRINT1 ("\n"); \ + \ + for (this_reg = lowest_active_reg; this_reg <= highest_active_reg; \ + this_reg++) \ + { \ + DEBUG_PRINT2 (" Pushing reg: %d\n", this_reg); \ + DEBUG_STATEMENT (num_regs_pushed++); \ + \ + DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \ + PUSH_FAILURE_ITEM (regstart[this_reg]); \ + \ + DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \ + PUSH_FAILURE_ITEM (regend[this_reg]); \ + \ + DEBUG_PRINT2 (" info: 0x%x\n ", reg_info[this_reg]); \ + DEBUG_PRINT2 (" match_null=%d", \ + REG_MATCH_NULL_STRING_P (reg_info[this_reg])); \ + DEBUG_PRINT2 (" active=%d", IS_ACTIVE (reg_info[this_reg])); \ + DEBUG_PRINT2 (" matched_something=%d", \ + MATCHED_SOMETHING (reg_info[this_reg])); \ + DEBUG_PRINT2 (" ever_matched=%d", \ + EVER_MATCHED_SOMETHING (reg_info[this_reg])); \ + DEBUG_PRINT1 ("\n"); \ + PUSH_FAILURE_ITEM (reg_info[this_reg].word); \ + } \ + \ + DEBUG_PRINT2 (" Pushing low active reg: %d\n", lowest_active_reg);\ + PUSH_FAILURE_ITEM (lowest_active_reg); \ + \ + DEBUG_PRINT2 (" Pushing high active reg: %d\n", highest_active_reg);\ + PUSH_FAILURE_ITEM (highest_active_reg); \ + \ + DEBUG_PRINT2 (" Pushing pattern 0x%x: ", pattern_place); \ + DEBUG_PRINT_COMPILED_PATTERN (bufp, pattern_place, pend); \ + PUSH_FAILURE_ITEM (pattern_place); \ + \ + DEBUG_PRINT2 (" Pushing string 0x%x: `", string_place); \ + DEBUG_PRINT_DOUBLE_STRING (string_place, string1, size1, string2, \ + size2); \ + DEBUG_PRINT1 ("'\n"); \ + PUSH_FAILURE_ITEM (string_place); \ + \ + DEBUG_PRINT2 (" Pushing failure id: %u\n", failure_id); \ + DEBUG_PUSH (failure_id); \ + } while (0) + +/* This is the number of items that are pushed and popped on the stack + for each register. */ +#define NUM_REG_ITEMS 3 + +/* Individual items aside from the registers. */ +#ifdef DEBUG +#define NUM_NONREG_ITEMS 5 /* Includes failure point id. */ +#else +#define NUM_NONREG_ITEMS 4 +#endif + +/* We push at most this many items on the stack. */ +#define MAX_FAILURE_ITEMS ((num_regs - 1) * NUM_REG_ITEMS + NUM_NONREG_ITEMS) + +/* We actually push this many items. */ +#define NUM_FAILURE_ITEMS \ + ((highest_active_reg - lowest_active_reg + 1) * NUM_REG_ITEMS \ + + NUM_NONREG_ITEMS) + +/* How many items can still be added to the stack without overflowing it. */ +#define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail) + + +/* Pops what PUSH_FAIL_STACK pushes. + + We restore into the parameters, all of which should be lvalues: + STR -- the saved data position. + PAT -- the saved pattern position. + LOW_REG, HIGH_REG -- the highest and lowest active registers. + REGSTART, REGEND -- arrays of string positions. + REG_INFO -- array of information about each subexpression. + + Also assumes the variables `fail_stack' and (if debugging), `bufp', + `pend', `string1', `size1', `string2', and `size2'. */ + +#define POP_FAILURE_POINT(str, pat, low_reg, high_reg, regstart, regend, reg_info)\ +{ \ + DEBUG_STATEMENT (fail_stack_elt_t failure_id;) \ + int this_reg; \ + const unsigned char *string_temp; \ + \ + assert (!FAIL_STACK_EMPTY ()); \ + \ + /* Remove failure points and point to how many regs pushed. */ \ + DEBUG_PRINT1 ("POP_FAILURE_POINT:\n"); \ + DEBUG_PRINT2 (" Before pop, next avail: %d\n", fail_stack.avail); \ + DEBUG_PRINT2 (" size: %d\n", fail_stack.size); \ + \ + assert (fail_stack.avail >= NUM_NONREG_ITEMS); \ + \ + DEBUG_POP (&failure_id); \ + DEBUG_PRINT2 (" Popping failure id: %u\n", failure_id); \ + \ + /* If the saved string location is NULL, it came from an \ + on_failure_keep_string_jump opcode, and we want to throw away the \ + saved NULL, thus retaining our current position in the string. */ \ + string_temp = POP_FAILURE_ITEM (); \ + if (string_temp != NULL) \ + str = (const char *) string_temp; \ + \ + DEBUG_PRINT2 (" Popping string 0x%x: `", str); \ + DEBUG_PRINT_DOUBLE_STRING (str, string1, size1, string2, size2); \ + DEBUG_PRINT1 ("'\n"); \ + \ + pat = (unsigned char *) POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" Popping pattern 0x%x: ", pat); \ + DEBUG_PRINT_COMPILED_PATTERN (bufp, pat, pend); \ + \ + /* Restore register info. */ \ + high_reg = (unsigned) POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" Popping high active reg: %d\n", high_reg); \ + \ + low_reg = (unsigned) POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" Popping low active reg: %d\n", low_reg); \ + \ + for (this_reg = high_reg; this_reg >= low_reg; this_reg--) \ + { \ + DEBUG_PRINT2 (" Popping reg: %d\n", this_reg); \ + \ + reg_info[this_reg].word = POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" info: 0x%x\n", reg_info[this_reg]); \ + \ + regend[this_reg] = (const char *) POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \ + \ + regstart[this_reg] = (const char *) POP_FAILURE_ITEM (); \ + DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \ + } \ + \ + DEBUG_STATEMENT (nfailure_points_popped++); \ +} /* POP_FAILURE_POINT */ + +/* re_compile_fastmap computes a ``fastmap'' for the compiled pattern in + BUFP. A fastmap records which of the (1 << BYTEWIDTH) possible + characters can start a string that matches the pattern. This fastmap + is used by re_search to skip quickly over impossible starting points. + + The caller must supply the address of a (1 << BYTEWIDTH)-byte data + area as BUFP->fastmap. + + We set the `fastmap', `fastmap_accurate', and `can_be_null' fields in + the pattern buffer. + + Returns 0 if we succeed, -2 if an internal error. */ + +int +re_compile_fastmap (bufp) + struct re_pattern_buffer *bufp; +{ + int j, k; + fail_stack_type fail_stack; +#ifndef REGEX_MALLOC + char *destination; +#endif + /* We don't push any register information onto the failure stack. */ + unsigned num_regs = 0; + + register char *fastmap = bufp->fastmap; + unsigned char *pattern = bufp->buffer; + unsigned long size = bufp->used; + const unsigned char *p = pattern; + register unsigned char *pend = pattern + size; + + /* Assume that each path through the pattern can be null until + proven otherwise. We set this false at the bottom of switch + statement, to which we get only if a particular path doesn't + match the empty string. */ + boolean path_can_be_null = true; + + /* We aren't doing a `succeed_n' to begin with. */ + boolean succeed_n_p = false; + + assert (fastmap != NULL && p != NULL); + + INIT_FAIL_STACK (); + bzero (fastmap, 1 << BYTEWIDTH); /* Assume nothing's valid. */ + bufp->fastmap_accurate = 1; /* It will be when we're done. */ + bufp->can_be_null = 0; + + while (p != pend || !FAIL_STACK_EMPTY ()) + { + if (p == pend) + { + bufp->can_be_null |= path_can_be_null; + + /* Reset for next path. */ + path_can_be_null = true; + + p = fail_stack.stack[--fail_stack.avail]; + } + + /* We should never be about to go beyond the end of the pattern. */ + assert (p < pend); + +#ifdef SWITCH_ENUM_BUG + switch ((int) ((re_opcode_t) *p++)) +#else + switch ((re_opcode_t) *p++) +#endif + { + + /* I guess the idea here is to simply not bother with a fastmap + if a backreference is used, since it's too hard to figure out + the fastmap for the corresponding group. Setting + `can_be_null' stops `re_search_2' from using the fastmap, so + that is all we do. */ + case duplicate: + bufp->can_be_null = 1; + return 0; + + + /* Following are the cases which match a character. These end + with `break'. */ + + case exactn: + fastmap[p[1]] = 1; + break; + + + case charset: + for (j = *p++ * BYTEWIDTH - 1; j >= 0; j--) + if (p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH))) + fastmap[j] = 1; + break; + + + case charset_not: + /* Chars beyond end of map must be allowed. */ + for (j = *p * BYTEWIDTH; j < (1 << BYTEWIDTH); j++) + fastmap[j] = 1; + + for (j = *p++ * BYTEWIDTH - 1; j >= 0; j--) + if (!(p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH)))) + fastmap[j] = 1; + break; + + + case wordchar: + for (j = 0; j < (1 << BYTEWIDTH); j++) + if (SYNTAX (j) == Sword) + fastmap[j] = 1; + break; + + + case notwordchar: + for (j = 0; j < (1 << BYTEWIDTH); j++) + if (SYNTAX (j) != Sword) + fastmap[j] = 1; + break; + + + case anychar: + /* `.' matches anything ... */ + for (j = 0; j < (1 << BYTEWIDTH); j++) + fastmap[j] = 1; + + /* ... except perhaps newline. */ + if (!(bufp->syntax & RE_DOT_NEWLINE)) + fastmap['\n'] = 0; + + /* Return if we have already set `can_be_null'; if we have, + then the fastmap is irrelevant. Something's wrong here. */ + else if (bufp->can_be_null) + return 0; + + /* Otherwise, have to check alternative paths. */ + break; + + +#ifdef emacs + case syntaxspec: + k = *p++; + for (j = 0; j < (1 << BYTEWIDTH); j++) + if (SYNTAX (j) == (enum syntaxcode) k) + fastmap[j] = 1; + break; + + + case notsyntaxspec: + k = *p++; + for (j = 0; j < (1 << BYTEWIDTH); j++) + if (SYNTAX (j) != (enum syntaxcode) k) + fastmap[j] = 1; + break; + + + /* All cases after this match the empty string. These end with + `continue'. */ + + + case before_dot: + case at_dot: + case after_dot: + continue; +#endif /* not emacs */ + + + case no_op: + case begline: + case endline: + case begbuf: + case endbuf: + case wordbound: + case notwordbound: + case wordbeg: + case wordend: + case push_dummy_failure: + continue; + + + case jump_n: + case pop_failure_jump: + case maybe_pop_jump: + case jump: + case jump_past_alt: + case dummy_failure_jump: + EXTRACT_NUMBER_AND_INCR (j, p); + p += j; + if (j > 0) + continue; + + /* Jump backward implies we just went through the body of a + loop and matched nothing. Opcode jumped to should be + `on_failure_jump' or `succeed_n'. Just treat it like an + ordinary jump. For a * loop, it has pushed its failure + point already; if so, discard that as redundant. */ + if ((re_opcode_t) *p != on_failure_jump + && (re_opcode_t) *p != succeed_n) + continue; + + p++; + EXTRACT_NUMBER_AND_INCR (j, p); + p += j; + + /* If what's on the stack is where we are now, pop it. */ + if (!FAIL_STACK_EMPTY () + && fail_stack.stack[fail_stack.avail - 1] == p) + fail_stack.avail--; + + continue; + + + case on_failure_jump: + case on_failure_keep_string_jump: + handle_on_failure_jump: + EXTRACT_NUMBER_AND_INCR (j, p); + + /* For some patterns, e.g., `(a?)?', `p+j' here points to the + end of the pattern. We don't want to push such a point, + since when we restore it above, entering the switch will + increment `p' past the end of the pattern. We don't need + to push such a point since we obviously won't find any more + fastmap entries beyond `pend'. Such a pattern can match + the null string, though. */ + if (p + j < pend) + { + if (!PUSH_PATTERN_OP (p + j, fail_stack)) + return -2; + } + else + bufp->can_be_null = 1; + + if (succeed_n_p) + { + EXTRACT_NUMBER_AND_INCR (k, p); /* Skip the n. */ + succeed_n_p = false; + } + + continue; + + + case succeed_n: + /* Get to the number of times to succeed. */ + p += 2; + + /* Increment p past the n for when k != 0. */ + EXTRACT_NUMBER_AND_INCR (k, p); + if (k == 0) + { + p -= 4; + succeed_n_p = true; /* Spaghetti code alert. */ + goto handle_on_failure_jump; + } + continue; + + + case set_number_at: + p += 4; + continue; + + + case start_memory: + case stop_memory: + p += 2; + continue; + + + default: + abort (); /* We have listed all the cases. */ + } /* switch *p++ */ + + /* Getting here means we have found the possible starting + characters for one path of the pattern -- and that the empty + string does not match. We need not follow this path further. + Instead, look at the next alternative (remembered on the + stack), or quit if no more. The test at the top of the loop + does these things. */ + path_can_be_null = false; + p = pend; + } /* while p */ + + /* Set `can_be_null' for the last path (also the first path, if the + pattern is empty). */ + bufp->can_be_null |= path_can_be_null; + return 0; +} /* re_compile_fastmap */ + +/* Set REGS to hold NUM_REGS registers, storing them in STARTS and + ENDS. Subsequent matches using PATTERN_BUFFER and REGS will use + this memory for recording register information. STARTS and ENDS + must be allocated using the malloc library routine, and must each + be at least NUM_REGS * sizeof (regoff_t) bytes long. + + If NUM_REGS == 0, then subsequent matches should allocate their own + register data. + + Unless this function is called, the first search or match using + PATTERN_BUFFER will allocate its own register data, without + freeing the old data. */ + +void +re_set_registers (bufp, regs, num_regs, starts, ends) + struct re_pattern_buffer *bufp; + struct re_registers *regs; + unsigned num_regs; + regoff_t *starts, *ends; +{ + if (num_regs) + { + bufp->regs_allocated = REGS_REALLOCATE; + regs->num_regs = num_regs; + regs->start = starts; + regs->end = ends; + } + else + { + bufp->regs_allocated = REGS_UNALLOCATED; + regs->num_regs = 0; + regs->start = regs->end = (regoff_t) 0; + } +} + +/* Searching routines. */ + +/* Like re_search_2, below, but only one string is specified, and + doesn't let you say where to stop matching. */ + +int +re_search (bufp, string, size, startpos, range, regs) + struct re_pattern_buffer *bufp; + const char *string; + int size, startpos, range; + struct re_registers *regs; +{ + return re_search_2 (bufp, NULL, 0, string, size, startpos, range, + regs, size); +} + + +/* Using the compiled pattern in BUFP->buffer, first tries to match the + virtual concatenation of STRING1 and STRING2, starting first at index + STARTPOS, then at STARTPOS + 1, and so on. + + STRING1 and STRING2 have length SIZE1 and SIZE2, respectively. + + RANGE is how far to scan while trying to match. RANGE = 0 means try + only at STARTPOS; in general, the last start tried is STARTPOS + + RANGE. + + In REGS, return the indices of the virtual concatenation of STRING1 + and STRING2 that matched the entire BUFP->buffer and its contained + subexpressions. + + Do not consider matching one past the index STOP in the virtual + concatenation of STRING1 and STRING2. + + We return either the position in the strings at which the match was + found, -1 if no match, or -2 if error (such as failure + stack overflow). */ + +int +re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop) + struct re_pattern_buffer *bufp; + const char *string1, *string2; + int size1, size2; + int startpos; + int range; + struct re_registers *regs; + int stop; +{ + int val; + register char *fastmap = bufp->fastmap; + register char *translate = bufp->translate; + int total_size = size1 + size2; + int endpos = startpos + range; + + /* Check for out-of-range STARTPOS. */ + if (startpos < 0 || startpos > total_size) + return -1; + + /* Fix up RANGE if it might eventually take us outside + the virtual concatenation of STRING1 and STRING2. */ + if (endpos < -1) + range = -1 - startpos; + else if (endpos > total_size) + range = total_size - startpos; + + /* If the search isn't to be a backwards one, don't waste time in a + search for a pattern that must be anchored. */ + if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == begbuf && range > 0) + { + if (startpos > 0) + return -1; + else + range = 1; + } + + /* Update the fastmap now if not correct already. */ + if (fastmap && !bufp->fastmap_accurate) + if (re_compile_fastmap (bufp) == -2) + return -2; + + /* Loop through the string, looking for a place to start matching. */ + for (;;) + { + /* If a fastmap is supplied, skip quickly over characters that + cannot be the start of a match. If the pattern can match the + null string, however, we don't need to skip characters; we want + the first null string. */ + if (fastmap && startpos < total_size && !bufp->can_be_null) + { + if (range > 0) /* Searching forwards. */ + { + register const char *d; + register int lim = 0; + int irange = range; + + if (startpos < size1 && startpos + range >= size1) + lim = range - (size1 - startpos); + + d = (startpos >= size1 ? string2 - size1 : string1) + startpos; + + /* Written out as an if-else to avoid testing `translate' + inside the loop. */ + if (translate) + while (range > lim + && !fastmap[(unsigned char) + translate[(unsigned char) *d++]]) + range--; + else + while (range > lim && !fastmap[(unsigned char) *d++]) + range--; + + startpos += irange - range; + } + else /* Searching backwards. */ + { + register char c = (size1 == 0 || startpos >= size1 + ? string2[startpos - size1] + : string1[startpos]); + + if (!fastmap[(unsigned char) TRANSLATE (c)]) + goto advance; + } + } + + /* If can't match the null string, and that's all we have left, fail. */ + if (range >= 0 && startpos == total_size && fastmap + && !bufp->can_be_null) + return -1; + + val = re_match_2 (bufp, string1, size1, string2, size2, + startpos, regs, stop); + if (val >= 0) + return startpos; + + if (val == -2) + return -2; + + advance: + if (!range) + break; + else if (range > 0) + { + range--; + startpos++; + } + else + { + range++; + startpos--; + } + } + return -1; +} /* re_search_2 */ + +/* Declarations and macros for re_match_2. */ + +static int bcmp_translate (); +static boolean alt_match_null_string_p (), + common_op_match_null_string_p (), + group_match_null_string_p (); + +/* Structure for per-register (a.k.a. per-group) information. + This must not be longer than one word, because we push this value + onto the failure stack. Other register information, such as the + starting and ending positions (which are addresses), and the list of + inner groups (which is a bits list) are maintained in separate + variables. + + We are making a (strictly speaking) nonportable assumption here: that + the compiler will pack our bit fields into something that fits into + the type of `word', i.e., is something that fits into one item on the + failure stack. */ +typedef union +{ + fail_stack_elt_t word; + struct + { + /* This field is one if this group can match the empty string, + zero if not. If not yet determined, `MATCH_NULL_UNSET_VALUE'. */ +#define MATCH_NULL_UNSET_VALUE 3 + unsigned match_null_string_p : 2; + unsigned is_active : 1; + unsigned matched_something : 1; + unsigned ever_matched_something : 1; + } bits; +} register_info_type; + +#define REG_MATCH_NULL_STRING_P(R) ((R).bits.match_null_string_p) +#define IS_ACTIVE(R) ((R).bits.is_active) +#define MATCHED_SOMETHING(R) ((R).bits.matched_something) +#define EVER_MATCHED_SOMETHING(R) ((R).bits.ever_matched_something) + + +/* Call this when have matched a real character; it sets `matched' flags + for the subexpressions which we are currently inside. Also records + that those subexprs have matched. */ +#define SET_REGS_MATCHED() \ + do \ + { \ + unsigned r; \ + for (r = lowest_active_reg; r <= highest_active_reg; r++) \ + { \ + MATCHED_SOMETHING (reg_info[r]) \ + = EVER_MATCHED_SOMETHING (reg_info[r]) \ + = 1; \ + } \ + } \ + while (0) + + +/* This converts PTR, a pointer into one of the search strings `string1' + and `string2' into an offset from the beginning of that string. */ +#define POINTER_TO_OFFSET(ptr) \ + (FIRST_STRING_P (ptr) ? (ptr) - string1 : (ptr) - string2 + size1) + +/* Registers are set to a sentinel when they haven't yet matched. */ +#define REG_UNSET_VALUE ((char *) -1) +#define REG_UNSET(e) ((e) == REG_UNSET_VALUE) + + +/* Macros for dealing with the split strings in re_match_2. */ + +#define MATCHING_IN_FIRST_STRING (dend == end_match_1) + +/* Call before fetching a character with *d. This switches over to + string2 if necessary. */ +#define PREFETCH() \ + while (d == dend) \ + { \ + /* End of string2 => fail. */ \ + if (dend == end_match_2) \ + goto fail; \ + /* End of string1 => advance to string2. */ \ + d = string2; \ + dend = end_match_2; \ + } + + +/* Test if at very beginning or at very end of the virtual concatenation + of `string1' and `string2'. If only one string, it's `string2'. */ +#define AT_STRINGS_BEG(d) ((d) == (size1 ? string1 : string2) || !size2) +#define AT_STRINGS_END(d) ((d) == end2) + + +/* Test if D points to a character which is word-constituent. We have + two special cases to check for: if past the end of string1, look at + the first character in string2; and if before the beginning of + string2, look at the last character in string1. */ +#define WORDCHAR_P(d) \ + (SYNTAX ((d) == end1 ? *string2 \ + : (d) == string2 - 1 ? *(end1 - 1) : *(d)) \ + == Sword) + +/* Test if the character before D and the one at D differ with respect + to being word-constituent. */ +#define AT_WORD_BOUNDARY(d) \ + (AT_STRINGS_BEG (d) || AT_STRINGS_END (d) \ + || WORDCHAR_P (d - 1) != WORDCHAR_P (d)) + + +/* Free everything we malloc. */ +#ifdef REGEX_MALLOC +#define FREE_VAR(var) if (var) free (var); var = NULL +#define FREE_VARIABLES() \ + do { \ + FREE_VAR (fail_stack.stack); \ + FREE_VAR (regstart); \ + FREE_VAR (regend); \ + FREE_VAR (old_regstart); \ + FREE_VAR (old_regend); \ + FREE_VAR (best_regstart); \ + FREE_VAR (best_regend); \ + FREE_VAR (reg_info); \ + FREE_VAR (reg_dummy); \ + FREE_VAR (reg_info_dummy); \ + } while (0) +#else /* not REGEX_MALLOC */ +/* Some MIPS systems (at least) want this to free alloca'd storage. */ +#define FREE_VARIABLES() alloca (0) +#endif /* not REGEX_MALLOC */ + + +/* These values must meet several constraints. They must not be valid + register values; since we have a limit of 255 registers (because + we use only one byte in the pattern for the register number), we can + use numbers larger than 255. They must differ by 1, because of + NUM_FAILURE_ITEMS above. And the value for the lowest register must + be larger than the value for the highest register, so we do not try + to actually save any registers when none are active. */ +#define NO_HIGHEST_ACTIVE_REG (1 << BYTEWIDTH) +#define NO_LOWEST_ACTIVE_REG (NO_HIGHEST_ACTIVE_REG + 1) + +/* Matching routines. */ + +#ifndef emacs /* Emacs never uses this. */ +/* re_match is like re_match_2 except it takes only a single string. */ + +int +re_match (bufp, string, size, pos, regs) + struct re_pattern_buffer *bufp; + const char *string; + int size, pos; + struct re_registers *regs; + { + return re_match_2 (bufp, NULL, 0, string, size, pos, regs, size); +} +#endif /* not emacs */ + + +/* re_match_2 matches the compiled pattern in BUFP against the + the (virtual) concatenation of STRING1 and STRING2 (of length SIZE1 + and SIZE2, respectively). We start matching at POS, and stop + matching at STOP. + + If REGS is non-null and the `no_sub' field of BUFP is nonzero, we + store offsets for the substring each group matched in REGS. See the + documentation for exactly how many groups we fill. + + We return -1 if no match, -2 if an internal error (such as the + failure stack overflowing). Otherwise, we return the length of the + matched substring. */ + +int +re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop) + struct re_pattern_buffer *bufp; + const char *string1, *string2; + int size1, size2; + int pos; + struct re_registers *regs; + int stop; +{ + /* General temporaries. */ + int mcnt; + unsigned char *p1; + + /* Just past the end of the corresponding string. */ + const char *end1, *end2; + + /* Pointers into string1 and string2, just past the last characters in + each to consider matching. */ + const char *end_match_1, *end_match_2; + + /* Where we are in the data, and the end of the current string. */ + const char *d, *dend; + + /* Where we are in the pattern, and the end of the pattern. */ + unsigned char *p = bufp->buffer; + register unsigned char *pend = p + bufp->used; + + /* We use this to map every character in the string. */ + char *translate = bufp->translate; + + /* Failure point stack. Each place that can handle a failure further + down the line pushes a failure point on this stack. It consists of + restart, regend, and reg_info for all registers corresponding to + the subexpressions we're currently inside, plus the number of such + registers, and, finally, two char *'s. The first char * is where + to resume scanning the pattern; the second one is where to resume + scanning the strings. If the latter is zero, the failure point is + a ``dummy''; if a failure happens and the failure point is a dummy, + it gets discarded and the next next one is tried. */ + fail_stack_type fail_stack; +#ifdef DEBUG + static unsigned failure_id = 0; + unsigned nfailure_points_pushed = 0, nfailure_points_popped = 0; +#endif + + /* We fill all the registers internally, independent of what we + return, for use in backreferences. The number here includes + an element for register zero. */ + unsigned num_regs = bufp->re_nsub + 1; + + /* The currently active registers. */ + unsigned lowest_active_reg = NO_LOWEST_ACTIVE_REG; + unsigned highest_active_reg = NO_HIGHEST_ACTIVE_REG; + + /* Information on the contents of registers. These are pointers into + the input strings; they record just what was matched (on this + attempt) by a subexpression part of the pattern, that is, the + regnum-th regstart pointer points to where in the pattern we began + matching and the regnum-th regend points to right after where we + stopped matching the regnum-th subexpression. (The zeroth register + keeps track of what the whole pattern matches.) */ + const char **regstart = NULL, **regend = NULL; + + /* If a group that's operated upon by a repetition operator fails to + match anything, then the register for its start will need to be + restored because it will have been set to wherever in the string we + are when we last see its open-group operator. Similarly for a + register's end. */ + const char **old_regstart = NULL, **old_regend = NULL; + + /* The is_active field of reg_info helps us keep track of which (possibly + nested) subexpressions we are currently in. The matched_something + field of reg_info[reg_num] helps us tell whether or not we have + matched any of the pattern so far this time through the reg_num-th + subexpression. These two fields get reset each time through any + loop their register is in. */ + register_info_type *reg_info = NULL; + + /* The following record the register info as found in the above + variables when we find a match better than any we've seen before. + This happens as we backtrack through the failure points, which in + turn happens only if we have not yet matched the entire string. */ + unsigned best_regs_set = false; + const char **best_regstart = NULL, **best_regend = NULL; + + /* Logically, this is `best_regend[0]'. But we don't want to have to + allocate space for that if we're not allocating space for anything + else (see below). Also, we never need info about register 0 for + any of the other register vectors, and it seems rather a kludge to + treat `best_regend' differently than the rest. So we keep track of + the end of the best match so far in a separate variable. We + initialize this to NULL so that when we backtrack the first time + and need to test it, it's not garbage. */ + const char *match_end = NULL; + + /* Used when we pop values we don't care about. */ + const char **reg_dummy = NULL; + register_info_type *reg_info_dummy = NULL; + +#ifdef DEBUG + /* Counts the total number of registers pushed. */ + unsigned num_regs_pushed = 0; +#endif + + DEBUG_PRINT1 ("\n\nEntering re_match_2.\n"); + + INIT_FAIL_STACK (); + + /* Do not bother to initialize all the register variables if there are + no groups in the pattern, as it takes a fair amount of time. If + there are groups, we include space for register 0 (the whole + pattern), even though we never use it, since it simplifies the + array indexing. We should fix this. */ + if (bufp->re_nsub) + { + regstart = REGEX_TALLOC (num_regs, const char *); + regend = REGEX_TALLOC (num_regs, const char *); + old_regstart = REGEX_TALLOC (num_regs, const char *); + old_regend = REGEX_TALLOC (num_regs, const char *); + best_regstart = REGEX_TALLOC (num_regs, const char *); + best_regend = REGEX_TALLOC (num_regs, const char *); + reg_info = REGEX_TALLOC (num_regs, register_info_type); + reg_dummy = REGEX_TALLOC (num_regs, const char *); + reg_info_dummy = REGEX_TALLOC (num_regs, register_info_type); + + if (!(regstart && regend && old_regstart && old_regend && reg_info + && best_regstart && best_regend && reg_dummy && reg_info_dummy)) + { + FREE_VARIABLES (); + return -2; + } + } +#ifdef REGEX_MALLOC + else + { + /* We must initialize all our variables to NULL, so that + `FREE_VARIABLES' doesn't try to free them. */ + regstart = regend = old_regstart = old_regend = best_regstart + = best_regend = reg_dummy = NULL; + reg_info = reg_info_dummy = (register_info_type *) NULL; + } +#endif /* REGEX_MALLOC */ + + /* The starting position is bogus. */ + if (pos < 0 || pos > size1 + size2) + { + FREE_VARIABLES (); + return -1; + } + + /* Initialize subexpression text positions to -1 to mark ones that no + start_memory/stop_memory has been seen for. Also initialize the + register information struct. */ + for (mcnt = 1; mcnt < num_regs; mcnt++) + { + regstart[mcnt] = regend[mcnt] + = old_regstart[mcnt] = old_regend[mcnt] = REG_UNSET_VALUE; + + REG_MATCH_NULL_STRING_P (reg_info[mcnt]) = MATCH_NULL_UNSET_VALUE; + IS_ACTIVE (reg_info[mcnt]) = 0; + MATCHED_SOMETHING (reg_info[mcnt]) = 0; + EVER_MATCHED_SOMETHING (reg_info[mcnt]) = 0; + } + + /* We move `string1' into `string2' if the latter's empty -- but not if + `string1' is null. */ + if (size2 == 0 && string1 != NULL) + { + string2 = string1; + size2 = size1; + string1 = 0; + size1 = 0; + } + end1 = string1 + size1; + end2 = string2 + size2; + + /* Compute where to stop matching, within the two strings. */ + if (stop <= size1) + { + end_match_1 = string1 + stop; + end_match_2 = string2; + } + else + { + end_match_1 = end1; + end_match_2 = string2 + stop - size1; + } + + /* `p' scans through the pattern as `d' scans through the data. + `dend' is the end of the input string that `d' points within. `d' + is advanced into the following input string whenever necessary, but + this happens before fetching; therefore, at the beginning of the + loop, `d' can be pointing at the end of a string, but it cannot + equal `string2'. */ + if (size1 > 0 && pos <= size1) + { + d = string1 + pos; + dend = end_match_1; + } + else + { + d = string2 + pos - size1; + dend = end_match_2; + } + + DEBUG_PRINT1 ("The compiled pattern is: "); + DEBUG_PRINT_COMPILED_PATTERN (bufp, p, pend); + DEBUG_PRINT1 ("The string to match is: `"); + DEBUG_PRINT_DOUBLE_STRING (d, string1, size1, string2, size2); + DEBUG_PRINT1 ("'\n"); + + /* This loops over pattern commands. It exits by returning from the + function if the match is complete, or it drops through if the match + fails at this starting point in the input data. */ + for (;;) + { + DEBUG_PRINT2 ("\n0x%x: ", p); + + if (p == pend) + { /* End of pattern means we might have succeeded. */ + DEBUG_PRINT1 ("end of pattern ... "); + + /* If we haven't matched the entire string, and we want the + longest match, try backtracking. */ + if (d != end_match_2) + { + DEBUG_PRINT1 ("backtracking.\n"); + + if (!FAIL_STACK_EMPTY ()) + { /* More failure points to try. */ + boolean same_str_p = (FIRST_STRING_P (match_end) + == MATCHING_IN_FIRST_STRING); + + /* If exceeds best match so far, save it. */ + if (!best_regs_set + || (same_str_p && d > match_end) + || (!same_str_p && !MATCHING_IN_FIRST_STRING)) + { + best_regs_set = true; + match_end = d; + + DEBUG_PRINT1 ("\nSAVING match as best so far.\n"); + + for (mcnt = 1; mcnt < num_regs; mcnt++) + { + best_regstart[mcnt] = regstart[mcnt]; + best_regend[mcnt] = regend[mcnt]; + } + } + goto fail; + } + + /* If no failure points, don't restore garbage. */ + else if (best_regs_set) + { + restore_best_regs: + /* Restore best match. It may happen that `dend == + end_match_1' while the restored d is in string2. + For example, the pattern `x.*y.*z' against the + strings `x-' and `y-z-', if the two strings are + not consecutive in memory. */ + DEBUG_PRINT1 ("Restoring best registers.\n"); + + d = match_end; + dend = ((d >= string1 && d <= end1) + ? end_match_1 : end_match_2); + + for (mcnt = 1; mcnt < num_regs; mcnt++) + { + regstart[mcnt] = best_regstart[mcnt]; + regend[mcnt] = best_regend[mcnt]; + } + } + } /* d != end_match_2 */ + + DEBUG_PRINT1 ("Accepting match.\n"); + + /* If caller wants register contents data back, do it. */ + if (regs && !bufp->no_sub) + { + /* Have the register data arrays been allocated? */ + if (bufp->regs_allocated == REGS_UNALLOCATED) + { /* No. So allocate them with malloc. We need one + extra element beyond `num_regs' for the `-1' marker + GNU code uses. */ + regs->num_regs = MAX (RE_NREGS, num_regs + 1); + regs->start = TALLOC (regs->num_regs, regoff_t); + regs->end = TALLOC (regs->num_regs, regoff_t); + if (regs->start == NULL || regs->end == NULL) + return -2; + bufp->regs_allocated = REGS_REALLOCATE; + } + else if (bufp->regs_allocated == REGS_REALLOCATE) + { /* Yes. If we need more elements than were already + allocated, reallocate them. If we need fewer, just + leave it alone. */ + if (regs->num_regs < num_regs + 1) + { + regs->num_regs = num_regs + 1; + RETALLOC (regs->start, regs->num_regs, regoff_t); + RETALLOC (regs->end, regs->num_regs, regoff_t); + if (regs->start == NULL || regs->end == NULL) + return -2; + } + } + else + assert (bufp->regs_allocated == REGS_FIXED); + + /* Convert the pointer data in `regstart' and `regend' to + indices. Register zero has to be set differently, + since we haven't kept track of any info for it. */ + if (regs->num_regs > 0) + { + regs->start[0] = pos; + regs->end[0] = (MATCHING_IN_FIRST_STRING ? d - string1 + : d - string2 + size1); + } + + /* Go through the first `min (num_regs, regs->num_regs)' + registers, since that is all we initialized. */ + for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++) + { + if (REG_UNSET (regstart[mcnt]) || REG_UNSET (regend[mcnt])) + regs->start[mcnt] = regs->end[mcnt] = -1; + else + { + regs->start[mcnt] = POINTER_TO_OFFSET (regstart[mcnt]); + regs->end[mcnt] = POINTER_TO_OFFSET (regend[mcnt]); + } + } + + /* If the regs structure we return has more elements than + were in the pattern, set the extra elements to -1. If + we (re)allocated the registers, this is the case, + because we always allocate enough to have at least one + -1 at the end. */ + for (mcnt = num_regs; mcnt < regs->num_regs; mcnt++) + regs->start[mcnt] = regs->end[mcnt] = -1; + } /* regs && !bufp->no_sub */ + + FREE_VARIABLES (); + DEBUG_PRINT4 ("%u failure points pushed, %u popped (%u remain).\n", + nfailure_points_pushed, nfailure_points_popped, + nfailure_points_pushed - nfailure_points_popped); + DEBUG_PRINT2 ("%u registers pushed.\n", num_regs_pushed); + + mcnt = d - pos - (MATCHING_IN_FIRST_STRING + ? string1 + : string2 - size1); + + DEBUG_PRINT2 ("Returning %d from re_match_2.\n", mcnt); + + return mcnt; + } + + /* Otherwise match next pattern command. */ +#ifdef SWITCH_ENUM_BUG + switch ((int) ((re_opcode_t) *p++)) +#else + switch ((re_opcode_t) *p++) +#endif + { + /* Ignore these. Used to ignore the n of succeed_n's which + currently have n == 0. */ + case no_op: + DEBUG_PRINT1 ("EXECUTING no_op.\n"); + break; + + + /* Match the next n pattern characters exactly. The following + byte in the pattern defines n, and the n bytes after that + are the characters to match. */ + case exactn: + mcnt = *p++; + DEBUG_PRINT2 ("EXECUTING exactn %d.\n", mcnt); + + /* This is written out as an if-else so we don't waste time + testing `translate' inside the loop. */ + if (translate) + { + do + { + PREFETCH (); + if (translate[(unsigned char) *d++] != (char) *p++) + goto fail; + } + while (--mcnt); + } + else + { + do + { + PREFETCH (); + if (*d++ != (char) *p++) goto fail; + } + while (--mcnt); + } + SET_REGS_MATCHED (); + break; + + + /* Match any character except possibly a newline or a null. */ + case anychar: + DEBUG_PRINT1 ("EXECUTING anychar.\n"); + + PREFETCH (); + + if ((!(bufp->syntax & RE_DOT_NEWLINE) && TRANSLATE (*d) == '\n') + || (bufp->syntax & RE_DOT_NOT_NULL && TRANSLATE (*d) == '\000')) + goto fail; + + SET_REGS_MATCHED (); + DEBUG_PRINT2 (" Matched `%d'.\n", *d); + d++; + break; + + + case charset: + case charset_not: + { + register unsigned char c; + boolean not = (re_opcode_t) *(p - 1) == charset_not; + + DEBUG_PRINT2 ("EXECUTING charset%s.\n", not ? "_not" : ""); + + PREFETCH (); + c = TRANSLATE (*d); /* The character to match. */ + + /* Cast to `unsigned' instead of `unsigned char' in case the + bit list is a full 32 bytes long. */ + if (c < (unsigned) (*p * BYTEWIDTH) + && p[1 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH))) + not = !not; + + p += 1 + *p; + + if (!not) goto fail; + + SET_REGS_MATCHED (); + d++; + break; + } + + + /* The beginning of a group is represented by start_memory. + The arguments are the register number in the next byte, and the + number of groups inner to this one in the next. The text + matched within the group is recorded (in the internal + registers data structure) under the register number. */ + case start_memory: + DEBUG_PRINT3 ("EXECUTING start_memory %d (%d):\n", *p, p[1]); + + /* Find out if this group can match the empty string. */ + p1 = p; /* To send to group_match_null_string_p. */ + + if (REG_MATCH_NULL_STRING_P (reg_info[*p]) == MATCH_NULL_UNSET_VALUE) + REG_MATCH_NULL_STRING_P (reg_info[*p]) + = group_match_null_string_p (&p1, pend, reg_info); + + /* Save the position in the string where we were the last time + we were at this open-group operator in case the group is + operated upon by a repetition operator, e.g., with `(a*)*b' + against `ab'; then we want to ignore where we are now in + the string in case this attempt to match fails. */ + old_regstart[*p] = REG_MATCH_NULL_STRING_P (reg_info[*p]) + ? REG_UNSET (regstart[*p]) ? d : regstart[*p] + : regstart[*p]; + DEBUG_PRINT2 (" old_regstart: %d\n", + POINTER_TO_OFFSET (old_regstart[*p])); + + regstart[*p] = d; + DEBUG_PRINT2 (" regstart: %d\n", POINTER_TO_OFFSET (regstart[*p])); + + IS_ACTIVE (reg_info[*p]) = 1; + MATCHED_SOMETHING (reg_info[*p]) = 0; + + /* This is the new highest active register. */ + highest_active_reg = *p; + + /* If nothing was active before, this is the new lowest active + register. */ + if (lowest_active_reg == NO_LOWEST_ACTIVE_REG) + lowest_active_reg = *p; + + /* Move past the register number and inner group count. */ + p += 2; + break; + + + /* The stop_memory opcode represents the end of a group. Its + arguments are the same as start_memory's: the register + number, and the number of inner groups. */ + case stop_memory: + DEBUG_PRINT3 ("EXECUTING stop_memory %d (%d):\n", *p, p[1]); + + /* We need to save the string position the last time we were at + this close-group operator in case the group is operated + upon by a repetition operator, e.g., with `((a*)*(b*)*)*' + against `aba'; then we want to ignore where we are now in + the string in case this attempt to match fails. */ + old_regend[*p] = REG_MATCH_NULL_STRING_P (reg_info[*p]) + ? REG_UNSET (regend[*p]) ? d : regend[*p] + : regend[*p]; + DEBUG_PRINT2 (" old_regend: %d\n", + POINTER_TO_OFFSET (old_regend[*p])); + + regend[*p] = d; + DEBUG_PRINT2 (" regend: %d\n", POINTER_TO_OFFSET (regend[*p])); + + /* This register isn't active anymore. */ + IS_ACTIVE (reg_info[*p]) = 0; + + /* If this was the only register active, nothing is active + anymore. */ + if (lowest_active_reg == highest_active_reg) + { + lowest_active_reg = NO_LOWEST_ACTIVE_REG; + highest_active_reg = NO_HIGHEST_ACTIVE_REG; + } + else + { /* We must scan for the new highest active register, since + it isn't necessarily one less than now: consider + (a(b)c(d(e)f)g). When group 3 ends, after the f), the + new highest active register is 1. */ + unsigned char r = *p - 1; + while (r > 0 && !IS_ACTIVE (reg_info[r])) + r--; + + /* If we end up at register zero, that means that we saved + the registers as the result of an `on_failure_jump', not + a `start_memory', and we jumped to past the innermost + `stop_memory'. For example, in ((.)*) we save + registers 1 and 2 as a result of the *, but when we pop + back to the second ), we are at the stop_memory 1. + Thus, nothing is active. */ + if (r == 0) + { + lowest_active_reg = NO_LOWEST_ACTIVE_REG; + highest_active_reg = NO_HIGHEST_ACTIVE_REG; + } + else + highest_active_reg = r; + } + + /* If just failed to match something this time around with a + group that's operated on by a repetition operator, try to + force exit from the ``loop'', and restore the register + information for this group that we had before trying this + last match. */ + if ((!MATCHED_SOMETHING (reg_info[*p]) + || (re_opcode_t) p[-3] == start_memory) + && (p + 2) < pend) + { + boolean is_a_jump_n = false; + + p1 = p + 2; + mcnt = 0; + switch ((re_opcode_t) *p1++) + { + case jump_n: + is_a_jump_n = true; + case pop_failure_jump: + case maybe_pop_jump: + case jump: + case dummy_failure_jump: + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + if (is_a_jump_n) + p1 += 2; + break; + + default: + /* do nothing */ ; + } + p1 += mcnt; + + /* If the next operation is a jump backwards in the pattern + to an on_failure_jump right before the start_memory + corresponding to this stop_memory, exit from the loop + by forcing a failure after pushing on the stack the + on_failure_jump's jump in the pattern, and d. */ + if (mcnt < 0 && (re_opcode_t) *p1 == on_failure_jump + && (re_opcode_t) p1[3] == start_memory && p1[4] == *p) + { + /* If this group ever matched anything, then restore + what its registers were before trying this last + failed match, e.g., with `(a*)*b' against `ab' for + regstart[1], and, e.g., with `((a*)*(b*)*)*' + against `aba' for regend[3]. + + Also restore the registers for inner groups for, + e.g., `((a*)(b*))*' against `aba' (register 3 would + otherwise get trashed). */ + + if (EVER_MATCHED_SOMETHING (reg_info[*p])) + { + unsigned r; + + EVER_MATCHED_SOMETHING (reg_info[*p]) = 0; + + /* Restore this and inner groups' (if any) registers. */ + for (r = *p; r < *p + *(p + 1); r++) + { + regstart[r] = old_regstart[r]; + + /* xx why this test? */ + if ((int) old_regend[r] >= (int) regstart[r]) + regend[r] = old_regend[r]; + } + } + p1++; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + PUSH_FAILURE_POINT (p1 + mcnt, d, -2); + + goto fail; + } + } + + /* Move past the register number and the inner group count. */ + p += 2; + break; + + + /* \<digit> has been turned into a `duplicate' command which is + followed by the numeric value of <digit> as the register number. */ + case duplicate: + { + register const char *d2, *dend2; + int regno = *p++; /* Get which register to match against. */ + DEBUG_PRINT2 ("EXECUTING duplicate %d.\n", regno); + + /* Can't back reference a group which we've never matched. */ + if (REG_UNSET (regstart[regno]) || REG_UNSET (regend[regno])) + goto fail; + + /* Where in input to try to start matching. */ + d2 = regstart[regno]; + + /* Where to stop matching; if both the place to start and + the place to stop matching are in the same string, then + set to the place to stop, otherwise, for now have to use + the end of the first string. */ + + dend2 = ((FIRST_STRING_P (regstart[regno]) + == FIRST_STRING_P (regend[regno])) + ? regend[regno] : end_match_1); + for (;;) + { + /* If necessary, advance to next segment in register + contents. */ + while (d2 == dend2) + { + if (dend2 == end_match_2) break; + if (dend2 == regend[regno]) break; + + /* End of string1 => advance to string2. */ + d2 = string2; + dend2 = regend[regno]; + } + /* At end of register contents => success */ + if (d2 == dend2) break; + + /* If necessary, advance to next segment in data. */ + PREFETCH (); + + /* How many characters left in this segment to match. */ + mcnt = dend - d; + + /* Want how many consecutive characters we can match in + one shot, so, if necessary, adjust the count. */ + if (mcnt > dend2 - d2) + mcnt = dend2 - d2; + + /* Compare that many; failure if mismatch, else move + past them. */ + if (translate + ? bcmp_translate (d, d2, mcnt, translate) + : bcmp (d, d2, mcnt)) + goto fail; + d += mcnt, d2 += mcnt; + } + } + break; + + + /* begline matches the empty string at the beginning of the string + (unless `not_bol' is set in `bufp'), and, if + `newline_anchor' is set, after newlines. */ + case begline: + DEBUG_PRINT1 ("EXECUTING begline.\n"); + + if (AT_STRINGS_BEG (d)) + { + if (!bufp->not_bol) break; + } + else if (d[-1] == '\n' && bufp->newline_anchor) + { + break; + } + /* In all other cases, we fail. */ + goto fail; + + + /* endline is the dual of begline. */ + case endline: + DEBUG_PRINT1 ("EXECUTING endline.\n"); + + if (AT_STRINGS_END (d)) + { + if (!bufp->not_eol) break; + } + + /* We have to ``prefetch'' the next character. */ + else if ((d == end1 ? *string2 : *d) == '\n' + && bufp->newline_anchor) + { + break; + } + goto fail; + + + /* Match at the very beginning of the data. */ + case begbuf: + DEBUG_PRINT1 ("EXECUTING begbuf.\n"); + if (AT_STRINGS_BEG (d)) + break; + goto fail; + + + /* Match at the very end of the data. */ + case endbuf: + DEBUG_PRINT1 ("EXECUTING endbuf.\n"); + if (AT_STRINGS_END (d)) + break; + goto fail; + + + /* on_failure_keep_string_jump is used to optimize `.*\n'. It + pushes NULL as the value for the string on the stack. Then + `pop_failure_point' will keep the current value for the + string, instead of restoring it. To see why, consider + matching `foo\nbar' against `.*\n'. The .* matches the foo; + then the . fails against the \n. But the next thing we want + to do is match the \n against the \n; if we restored the + string value, we would be back at the foo. + + Because this is used only in specific cases, we don't need to + check all the things that `on_failure_jump' does, to make + sure the right things get saved on the stack. Hence we don't + share its code. The only reason to push anything on the + stack at all is that otherwise we would have to change + `anychar's code to do something besides goto fail in this + case; that seems worse than this. */ + case on_failure_keep_string_jump: + DEBUG_PRINT1 ("EXECUTING on_failure_keep_string_jump"); + + EXTRACT_NUMBER_AND_INCR (mcnt, p); + DEBUG_PRINT3 (" %d (to 0x%x):\n", mcnt, p + mcnt); + + PUSH_FAILURE_POINT (p + mcnt, NULL, -2); + break; + + + /* Uses of on_failure_jump: + + Each alternative starts with an on_failure_jump that points + to the beginning of the next alternative. Each alternative + except the last ends with a jump that in effect jumps past + the rest of the alternatives. (They really jump to the + ending jump of the following alternative, because tensioning + these jumps is a hassle.) + + Repeats start with an on_failure_jump that points past both + the repetition text and either the following jump or + pop_failure_jump back to this on_failure_jump. */ + case on_failure_jump: + on_failure: + DEBUG_PRINT1 ("EXECUTING on_failure_jump"); + + EXTRACT_NUMBER_AND_INCR (mcnt, p); + DEBUG_PRINT3 (" %d (to 0x%x)", mcnt, p + mcnt); + + /* If this on_failure_jump comes right before a group (i.e., + the original * applied to a group), save the information + for that group and all inner ones, so that if we fail back + to this point, the group's information will be correct. + For example, in \(a*\)*\1, we need the preceding group, + and in \(\(a*\)b*\)\2, we need the inner group. */ + + /* We can't use `p' to check ahead because we push + a failure point to `p + mcnt' after we do this. */ + p1 = p; + + /* We need to skip no_op's before we look for the + start_memory in case this on_failure_jump is happening as + the result of a completed succeed_n, as in \(a\)\{1,3\}b\1 + against aba. */ + while (p1 < pend && (re_opcode_t) *p1 == no_op) + p1++; + + if (p1 < pend && (re_opcode_t) *p1 == start_memory) + { + /* We have a new highest active register now. This will + get reset at the start_memory we are about to get to, + but we will have saved all the registers relevant to + this repetition op, as described above. */ + highest_active_reg = *(p1 + 1) + *(p1 + 2); + if (lowest_active_reg == NO_LOWEST_ACTIVE_REG) + lowest_active_reg = *(p1 + 1); + } + + DEBUG_PRINT1 (":\n"); + PUSH_FAILURE_POINT (p + mcnt, d, -2); + break; + + + /* A smart repeat ends with `maybe_pop_jump'. + We change it to either `pop_failure_jump' or `jump'. */ + case maybe_pop_jump: + EXTRACT_NUMBER_AND_INCR (mcnt, p); + DEBUG_PRINT2 ("EXECUTING maybe_pop_jump %d.\n", mcnt); + { + register unsigned char *p2 = p; + + /* Compare the beginning of the repeat with what in the + pattern follows its end. If we can establish that there + is nothing that they would both match, i.e., that we + would have to backtrack because of (as in, e.g., `a*a') + then we can change to pop_failure_jump, because we'll + never have to backtrack. + + This is not true in the case of alternatives: in + `(a|ab)*' we do need to backtrack to the `ab' alternative + (e.g., if the string was `ab'). But instead of trying to + detect that here, the alternative has put on a dummy + failure point which is what we will end up popping. */ + + /* Skip over open/close-group commands. */ + while (p2 + 2 < pend + && ((re_opcode_t) *p2 == stop_memory + || (re_opcode_t) *p2 == start_memory)) + p2 += 3; /* Skip over args, too. */ + + /* If we're at the end of the pattern, we can change. */ + if (p2 == pend) + { + /* Consider what happens when matching ":\(.*\)" + against ":/". I don't really understand this code + yet. */ + p[-3] = (unsigned char) pop_failure_jump; + DEBUG_PRINT1 + (" End of pattern: change to `pop_failure_jump'.\n"); + } + + else if ((re_opcode_t) *p2 == exactn + || (bufp->newline_anchor && (re_opcode_t) *p2 == endline)) + { + register unsigned char c + = *p2 == (unsigned char) endline ? '\n' : p2[2]; + p1 = p + mcnt; + + /* p1[0] ... p1[2] are the `on_failure_jump' corresponding + to the `maybe_finalize_jump' of this case. Examine what + follows. */ + if ((re_opcode_t) p1[3] == exactn && p1[5] != c) + { + p[-3] = (unsigned char) pop_failure_jump; + DEBUG_PRINT3 (" %c != %c => pop_failure_jump.\n", + c, p1[5]); + } + + else if ((re_opcode_t) p1[3] == charset + || (re_opcode_t) p1[3] == charset_not) + { + int not = (re_opcode_t) p1[3] == charset_not; + + if (c < (unsigned char) (p1[4] * BYTEWIDTH) + && p1[5 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH))) + not = !not; + + /* `not' is equal to 1 if c would match, which means + that we can't change to pop_failure_jump. */ + if (!not) + { + p[-3] = (unsigned char) pop_failure_jump; + DEBUG_PRINT1 (" No match => pop_failure_jump.\n"); + } + } + } + } + p -= 2; /* Point at relative address again. */ + if ((re_opcode_t) p[-1] != pop_failure_jump) + { + p[-1] = (unsigned char) jump; + DEBUG_PRINT1 (" Match => jump.\n"); + goto unconditional_jump; + } + /* Note fall through. */ + + + /* The end of a simple repeat has a pop_failure_jump back to + its matching on_failure_jump, where the latter will push a + failure point. The pop_failure_jump takes off failure + points put on by this pop_failure_jump's matching + on_failure_jump; we got through the pattern to here from the + matching on_failure_jump, so didn't fail. */ + case pop_failure_jump: + { + /* We need to pass separate storage for the lowest and + highest registers, even though we don't care about the + actual values. Otherwise, we will restore only one + register from the stack, since lowest will == highest in + `pop_failure_point'. */ + unsigned dummy_low_reg, dummy_high_reg; + unsigned char *pdummy; + const char *sdummy; + + DEBUG_PRINT1 ("EXECUTING pop_failure_jump.\n"); + POP_FAILURE_POINT (sdummy, pdummy, + dummy_low_reg, dummy_high_reg, + reg_dummy, reg_dummy, reg_info_dummy); + } + /* Note fall through. */ + + + /* Unconditionally jump (without popping any failure points). */ + case jump: + unconditional_jump: + EXTRACT_NUMBER_AND_INCR (mcnt, p); /* Get the amount to jump. */ + DEBUG_PRINT2 ("EXECUTING jump %d ", mcnt); + p += mcnt; /* Do the jump. */ + DEBUG_PRINT2 ("(to 0x%x).\n", p); + break; + + + /* We need this opcode so we can detect where alternatives end + in `group_match_null_string_p' et al. */ + case jump_past_alt: + DEBUG_PRINT1 ("EXECUTING jump_past_alt.\n"); + goto unconditional_jump; + + + /* Normally, the on_failure_jump pushes a failure point, which + then gets popped at pop_failure_jump. We will end up at + pop_failure_jump, also, and with a pattern of, say, `a+', we + are skipping over the on_failure_jump, so we have to push + something meaningless for pop_failure_jump to pop. */ + case dummy_failure_jump: + DEBUG_PRINT1 ("EXECUTING dummy_failure_jump.\n"); + /* It doesn't matter what we push for the string here. What + the code at `fail' tests is the value for the pattern. */ + PUSH_FAILURE_POINT (0, 0, -2); + goto unconditional_jump; + + + /* At the end of an alternative, we need to push a dummy failure + point in case we are followed by a `pop_failure_jump', because + we don't want the failure point for the alternative to be + popped. For example, matching `(a|ab)*' against `aab' + requires that we match the `ab' alternative. */ + case push_dummy_failure: + DEBUG_PRINT1 ("EXECUTING push_dummy_failure.\n"); + /* See comments just above at `dummy_failure_jump' about the + two zeroes. */ + PUSH_FAILURE_POINT (0, 0, -2); + break; + + /* Have to succeed matching what follows at least n times. + After that, handle like `on_failure_jump'. */ + case succeed_n: + EXTRACT_NUMBER (mcnt, p + 2); + DEBUG_PRINT2 ("EXECUTING succeed_n %d.\n", mcnt); + + assert (mcnt >= 0); + /* Originally, this is how many times we HAVE to succeed. */ + if (mcnt > 0) + { + mcnt--; + p += 2; + STORE_NUMBER_AND_INCR (p, mcnt); + DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p, mcnt); + } + else if (mcnt == 0) + { + DEBUG_PRINT2 (" Setting two bytes from 0x%x to no_op.\n", p+2); + p[2] = (unsigned char) no_op; + p[3] = (unsigned char) no_op; + goto on_failure; + } + break; + + case jump_n: + EXTRACT_NUMBER (mcnt, p + 2); + DEBUG_PRINT2 ("EXECUTING jump_n %d.\n", mcnt); + + /* Originally, this is how many times we CAN jump. */ + if (mcnt) + { + mcnt--; + STORE_NUMBER (p + 2, mcnt); + goto unconditional_jump; + } + /* If don't have to jump any more, skip over the rest of command. */ + else + p += 4; + break; + + case set_number_at: + { + DEBUG_PRINT1 ("EXECUTING set_number_at.\n"); + + EXTRACT_NUMBER_AND_INCR (mcnt, p); + p1 = p + mcnt; + EXTRACT_NUMBER_AND_INCR (mcnt, p); + DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p1, mcnt); + STORE_NUMBER (p1, mcnt); + break; + } + + case wordbound: + DEBUG_PRINT1 ("EXECUTING wordbound.\n"); + if (AT_WORD_BOUNDARY (d)) + break; + goto fail; + + case notwordbound: + DEBUG_PRINT1 ("EXECUTING notwordbound.\n"); + if (AT_WORD_BOUNDARY (d)) + goto fail; + break; + + case wordbeg: + DEBUG_PRINT1 ("EXECUTING wordbeg.\n"); + if (WORDCHAR_P (d) && (AT_STRINGS_BEG (d) || !WORDCHAR_P (d - 1))) + break; + goto fail; + + case wordend: + DEBUG_PRINT1 ("EXECUTING wordend.\n"); + if (!AT_STRINGS_BEG (d) && WORDCHAR_P (d - 1) + && (!WORDCHAR_P (d) || AT_STRINGS_END (d))) + break; + goto fail; + +#ifdef emacs +#ifdef emacs19 + case before_dot: + DEBUG_PRINT1 ("EXECUTING before_dot.\n"); + if (PTR_CHAR_POS ((unsigned char *) d) >= point) + goto fail; + break; + + case at_dot: + DEBUG_PRINT1 ("EXECUTING at_dot.\n"); + if (PTR_CHAR_POS ((unsigned char *) d) != point) + goto fail; + break; + + case after_dot: + DEBUG_PRINT1 ("EXECUTING after_dot.\n"); + if (PTR_CHAR_POS ((unsigned char *) d) <= point) + goto fail; + break; +#else /* not emacs19 */ + case at_dot: + DEBUG_PRINT1 ("EXECUTING at_dot.\n"); + if (PTR_CHAR_POS ((unsigned char *) d) + 1 != point) + goto fail; + break; +#endif /* not emacs19 */ + + case syntaxspec: + DEBUG_PRINT2 ("EXECUTING syntaxspec %d.\n", mcnt); + mcnt = *p++; + goto matchsyntax; + + case wordchar: + DEBUG_PRINT1 ("EXECUTING Emacs wordchar.\n"); + mcnt = (int) Sword; + matchsyntax: + PREFETCH (); + if (SYNTAX (*d++) != (enum syntaxcode) mcnt) + goto fail; + SET_REGS_MATCHED (); + break; + + case notsyntaxspec: + DEBUG_PRINT2 ("EXECUTING notsyntaxspec %d.\n", mcnt); + mcnt = *p++; + goto matchnotsyntax; + + case notwordchar: + DEBUG_PRINT1 ("EXECUTING Emacs notwordchar.\n"); + mcnt = (int) Sword; + matchnotsyntax: + PREFETCH (); + if (SYNTAX (*d++) == (enum syntaxcode) mcnt) + goto fail; + SET_REGS_MATCHED (); + break; + +#else /* not emacs */ + case wordchar: + DEBUG_PRINT1 ("EXECUTING non-Emacs wordchar.\n"); + PREFETCH (); + if (!WORDCHAR_P (d)) + goto fail; + SET_REGS_MATCHED (); + d++; + break; + + case notwordchar: + DEBUG_PRINT1 ("EXECUTING non-Emacs notwordchar.\n"); + PREFETCH (); + if (WORDCHAR_P (d)) + goto fail; + SET_REGS_MATCHED (); + d++; + break; +#endif /* not emacs */ + + default: + abort (); + } + continue; /* Successfully executed one pattern command; keep going. */ + + + /* We goto here if a matching operation fails. */ + fail: + if (!FAIL_STACK_EMPTY ()) + { /* A restart point is known. Restore to that state. */ + DEBUG_PRINT1 ("\nFAIL:\n"); + POP_FAILURE_POINT (d, p, + lowest_active_reg, highest_active_reg, + regstart, regend, reg_info); + + /* If this failure point is a dummy, try the next one. */ + if (!p) + goto fail; + + /* If we failed to the end of the pattern, don't examine *p. */ + assert (p <= pend); + if (p < pend) + { + boolean is_a_jump_n = false; + + /* If failed to a backwards jump that's part of a repetition + loop, need to pop this failure point and use the next one. */ + switch ((re_opcode_t) *p) + { + case jump_n: + is_a_jump_n = true; + case maybe_pop_jump: + case pop_failure_jump: + case jump: + p1 = p + 1; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + p1 += mcnt; + + if ((is_a_jump_n && (re_opcode_t) *p1 == succeed_n) + || (!is_a_jump_n + && (re_opcode_t) *p1 == on_failure_jump)) + goto fail; + break; + default: + /* do nothing */ ; + } + } + + if (d >= string1 && d <= end1) + dend = end_match_1; + } + else + break; /* Matching at this starting point really fails. */ + } /* for (;;) */ + + if (best_regs_set) + goto restore_best_regs; + + FREE_VARIABLES (); + + return -1; /* Failure to match. */ +} /* re_match_2 */ + +/* Subroutine definitions for re_match_2. */ + + +/* We are passed P pointing to a register number after a start_memory. + + Return true if the pattern up to the corresponding stop_memory can + match the empty string, and false otherwise. + + If we find the matching stop_memory, sets P to point to one past its number. + Otherwise, sets P to an undefined byte less than or equal to END. + + We don't handle duplicates properly (yet). */ + +static boolean +group_match_null_string_p (p, end, reg_info) + unsigned char **p, *end; + register_info_type *reg_info; +{ + int mcnt; + /* Point to after the args to the start_memory. */ + unsigned char *p1 = *p + 2; + + while (p1 < end) + { + /* Skip over opcodes that can match nothing, and return true or + false, as appropriate, when we get to one that can't, or to the + matching stop_memory. */ + + switch ((re_opcode_t) *p1) + { + /* Could be either a loop or a series of alternatives. */ + case on_failure_jump: + p1++; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + + /* If the next operation is not a jump backwards in the + pattern. */ + + if (mcnt >= 0) + { + /* Go through the on_failure_jumps of the alternatives, + seeing if any of the alternatives cannot match nothing. + The last alternative starts with only a jump, + whereas the rest start with on_failure_jump and end + with a jump, e.g., here is the pattern for `a|b|c': + + /on_failure_jump/0/6/exactn/1/a/jump_past_alt/0/6 + /on_failure_jump/0/6/exactn/1/b/jump_past_alt/0/3 + /exactn/1/c + + So, we have to first go through the first (n-1) + alternatives and then deal with the last one separately. */ + + + /* Deal with the first (n-1) alternatives, which start + with an on_failure_jump (see above) that jumps to right + past a jump_past_alt. */ + + while ((re_opcode_t) p1[mcnt-3] == jump_past_alt) + { + /* `mcnt' holds how many bytes long the alternative + is, including the ending `jump_past_alt' and + its number. */ + + if (!alt_match_null_string_p (p1, p1 + mcnt - 3, + reg_info)) + return false; + + /* Move to right after this alternative, including the + jump_past_alt. */ + p1 += mcnt; + + /* Break if it's the beginning of an n-th alternative + that doesn't begin with an on_failure_jump. */ + if ((re_opcode_t) *p1 != on_failure_jump) + break; + + /* Still have to check that it's not an n-th + alternative that starts with an on_failure_jump. */ + p1++; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + if ((re_opcode_t) p1[mcnt-3] != jump_past_alt) + { + /* Get to the beginning of the n-th alternative. */ + p1 -= 3; + break; + } + } + + /* Deal with the last alternative: go back and get number + of the `jump_past_alt' just before it. `mcnt' contains + the length of the alternative. */ + EXTRACT_NUMBER (mcnt, p1 - 2); + + if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info)) + return false; + + p1 += mcnt; /* Get past the n-th alternative. */ + } /* if mcnt > 0 */ + break; + + + case stop_memory: + assert (p1[1] == **p); + *p = p1 + 2; + return true; + + + default: + if (!common_op_match_null_string_p (&p1, end, reg_info)) + return false; + } + } /* while p1 < end */ + + return false; +} /* group_match_null_string_p */ + + +/* Similar to group_match_null_string_p, but doesn't deal with alternatives: + It expects P to be the first byte of a single alternative and END one + byte past the last. The alternative can contain groups. */ + +static boolean +alt_match_null_string_p (p, end, reg_info) + unsigned char *p, *end; + register_info_type *reg_info; +{ + int mcnt; + unsigned char *p1 = p; + + while (p1 < end) + { + /* Skip over opcodes that can match nothing, and break when we get + to one that can't. */ + + switch ((re_opcode_t) *p1) + { + /* It's a loop. */ + case on_failure_jump: + p1++; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + p1 += mcnt; + break; + + default: + if (!common_op_match_null_string_p (&p1, end, reg_info)) + return false; + } + } /* while p1 < end */ + + return true; +} /* alt_match_null_string_p */ + + +/* Deals with the ops common to group_match_null_string_p and + alt_match_null_string_p. + + Sets P to one after the op and its arguments, if any. */ + +static boolean +common_op_match_null_string_p (p, end, reg_info) + unsigned char **p, *end; + register_info_type *reg_info; +{ + int mcnt; + boolean ret; + int reg_no; + unsigned char *p1 = *p; + + switch ((re_opcode_t) *p1++) + { + case no_op: + case begline: + case endline: + case begbuf: + case endbuf: + case wordbeg: + case wordend: + case wordbound: + case notwordbound: +#ifdef emacs + case before_dot: + case at_dot: + case after_dot: +#endif + break; + + case start_memory: + reg_no = *p1; + assert (reg_no > 0 && reg_no <= MAX_REGNUM); + ret = group_match_null_string_p (&p1, end, reg_info); + + /* Have to set this here in case we're checking a group which + contains a group and a back reference to it. */ + + if (REG_MATCH_NULL_STRING_P (reg_info[reg_no]) == MATCH_NULL_UNSET_VALUE) + REG_MATCH_NULL_STRING_P (reg_info[reg_no]) = ret; + + if (!ret) + return false; + break; + + /* If this is an optimized succeed_n for zero times, make the jump. */ + case jump: + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + if (mcnt >= 0) + p1 += mcnt; + else + return false; + break; + + case succeed_n: + /* Get to the number of times to succeed. */ + p1 += 2; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + + if (mcnt == 0) + { + p1 -= 4; + EXTRACT_NUMBER_AND_INCR (mcnt, p1); + p1 += mcnt; + } + else + return false; + break; + + case duplicate: + if (!REG_MATCH_NULL_STRING_P (reg_info[*p1])) + return false; + break; + + case set_number_at: + p1 += 4; + + default: + /* All other opcodes mean we cannot match the empty string. */ + return false; + } + + *p = p1; + return true; +} /* common_op_match_null_string_p */ + + +/* Return zero if TRANSLATE[S1] and TRANSLATE[S2] are identical for LEN + bytes; nonzero otherwise. */ + +static int +bcmp_translate( + unsigned char *s1, + unsigned char *s2, + int len, + char *translate +) +{ + register unsigned char *p1 = s1, *p2 = s2; + while (len) + { + if (translate[*p1++] != translate[*p2++]) return 1; + len--; + } + return 0; +} + +/* Entry points for GNU code. */ + +/* re_compile_pattern is the GNU regular expression compiler: it + compiles PATTERN (of length SIZE) and puts the result in BUFP. + Returns 0 if the pattern was valid, otherwise an error string. + + Assumes the `allocated' (and perhaps `buffer') and `translate' fields + are set in BUFP on entry. + + We call regex_compile to do the actual compilation. */ + +const char * +re_compile_pattern (pattern, length, bufp) + const char *pattern; + int length; + struct re_pattern_buffer *bufp; +{ + reg_errcode_t ret; + + /* GNU code is written to assume at least RE_NREGS registers will be set + (and at least one extra will be -1). */ + bufp->regs_allocated = REGS_UNALLOCATED; + + /* And GNU code determines whether or not to get register information + by passing null for the REGS argument to re_match, etc., not by + setting no_sub. */ + bufp->no_sub = 0; + + /* Match anchors at newline. */ + bufp->newline_anchor = 1; + + ret = regex_compile (pattern, length, re_syntax_options, bufp); + + return re_error_msg[(int) ret]; +} + +/* Entry points compatible with 4.2 BSD regex library. We don't define + them if this is an Emacs or POSIX compilation. */ + +#if !defined (emacs) && !defined (_POSIX_SOURCE) + +/* BSD has one and only one pattern buffer. */ +static struct re_pattern_buffer re_comp_buf; + +char * +re_comp (s) + const char *s; +{ + reg_errcode_t ret; + + if (!s) + { + if (!re_comp_buf.buffer) + return "No previous regular expression"; + return 0; + } + + if (!re_comp_buf.buffer) + { + re_comp_buf.buffer = (unsigned char *) malloc (200); + if (re_comp_buf.buffer == NULL) + return "Memory exhausted"; + re_comp_buf.allocated = 200; + + re_comp_buf.fastmap = (char *) malloc (1 << BYTEWIDTH); + if (re_comp_buf.fastmap == NULL) + return "Memory exhausted"; + } + + /* Since `re_exec' always passes NULL for the `regs' argument, we + don't need to initialize the pattern buffer fields which affect it. */ + + /* Match anchors at newlines. */ + re_comp_buf.newline_anchor = 1; + + ret = regex_compile (s, strlen (s), re_syntax_options, &re_comp_buf); + + /* Yes, we're discarding `const' here. */ + return (char *) re_error_msg[(int) ret]; +} + + +int +re_exec (s) + const char *s; +{ + const int len = strlen (s); + return + 0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0); +} +#endif /* not emacs and not _POSIX_SOURCE */ + +/* POSIX.2 functions. Don't define these for Emacs. */ + +#ifndef emacs + +/* regcomp takes a regular expression as a string and compiles it. + + PREG is a regex_t *. We do not expect any fields to be initialized, + since POSIX says we shouldn't. Thus, we set + + `buffer' to the compiled pattern; + `used' to the length of the compiled pattern; + `syntax' to RE_SYNTAX_POSIX_EXTENDED if the + REG_EXTENDED bit in CFLAGS is set; otherwise, to + RE_SYNTAX_POSIX_BASIC; + `newline_anchor' to REG_NEWLINE being set in CFLAGS; + `fastmap' and `fastmap_accurate' to zero; + `re_nsub' to the number of subexpressions in PATTERN. + + PATTERN is the address of the pattern string. + + CFLAGS is a series of bits which affect compilation. + + If REG_EXTENDED is set, we use POSIX extended syntax; otherwise, we + use POSIX basic syntax. + + If REG_NEWLINE is set, then . and [^...] don't match newline. + Also, regexec will try a match beginning after every newline. + + If REG_ICASE is set, then we considers upper- and lowercase + versions of letters to be equivalent when matching. + + If REG_NOSUB is set, then when PREG is passed to regexec, that + routine will report only success or failure, and nothing about the + registers. + + It returns 0 if it succeeds, nonzero if it doesn't. (See regex.h for + the return codes and their meanings.) */ + +int +regcomp (preg, pattern, cflags) + regex_t *preg; + const char *pattern; + int cflags; +{ + reg_errcode_t ret; + unsigned syntax + = (cflags & REG_EXTENDED) ? + RE_SYNTAX_POSIX_EXTENDED : RE_SYNTAX_POSIX_BASIC; + + /* regex_compile will allocate the space for the compiled pattern. */ + preg->buffer = 0; + preg->allocated = 0; + + /* Don't bother to use a fastmap when searching. This simplifies the + REG_NEWLINE case: if we used a fastmap, we'd have to put all the + characters after newlines into the fastmap. This way, we just try + every character. */ + preg->fastmap = 0; + + if (cflags & REG_ICASE) + { + unsigned i; + + preg->translate = (char *) malloc (CHAR_SET_SIZE); + if (preg->translate == NULL) + return (int) REG_ESPACE; + + /* Map uppercase characters to corresponding lowercase ones. */ + for (i = 0; i < CHAR_SET_SIZE; i++) + preg->translate[i] = ISUPPER (i) ? tolower (i) : i; + } + else + preg->translate = NULL; + + /* If REG_NEWLINE is set, newlines are treated differently. */ + if (cflags & REG_NEWLINE) + { /* REG_NEWLINE implies neither . nor [^...] match newline. */ + syntax &= ~RE_DOT_NEWLINE; + syntax |= RE_HAT_LISTS_NOT_NEWLINE; + /* It also changes the matching behavior. */ + preg->newline_anchor = 1; + } + else + preg->newline_anchor = 0; + + preg->no_sub = !!(cflags & REG_NOSUB); + + /* POSIX says a null character in the pattern terminates it, so we + can use strlen here in compiling the pattern. */ + ret = regex_compile (pattern, strlen (pattern), syntax, preg); + + /* POSIX doesn't distinguish between an unmatched open-group and an + unmatched close-group: both are REG_EPAREN. */ + if (ret == REG_ERPAREN) ret = REG_EPAREN; + + return (int) ret; +} + + +/* regexec searches for a given pattern, specified by PREG, in the + string STRING. + + If NMATCH is zero or REG_NOSUB was set in the cflags argument to + `regcomp', we ignore PMATCH. Otherwise, we assume PMATCH has at + least NMATCH elements, and we set them to the offsets of the + corresponding matched substrings. + + EFLAGS specifies `execution flags' which affect matching: if + REG_NOTBOL is set, then ^ does not match at the beginning of the + string; if REG_NOTEOL is set, then $ does not match at the end. + + We return 0 if we find a match and REG_NOMATCH if not. */ + +int +regexec (preg, string, nmatch, pmatch, eflags) + const regex_t *preg; + const char *string; + size_t nmatch; + regmatch_t pmatch[]; + int eflags; +{ + int ret; + struct re_registers regs; + regex_t private_preg; + int len = strlen (string); + boolean want_reg_info = !preg->no_sub && nmatch > 0; + + private_preg = *preg; + + private_preg.not_bol = !!(eflags & REG_NOTBOL); + private_preg.not_eol = !!(eflags & REG_NOTEOL); + + /* The user has told us exactly how many registers to return + information about, via `nmatch'. We have to pass that on to the + matching routines. */ + private_preg.regs_allocated = REGS_FIXED; + + if (want_reg_info) + { + regs.num_regs = nmatch; + regs.start = TALLOC (nmatch, regoff_t); + regs.end = TALLOC (nmatch, regoff_t); + if (regs.start == NULL || regs.end == NULL) + return (int) REG_NOMATCH; + } + + /* Perform the searching operation. */ + ret = re_search (&private_preg, string, len, + /* start: */ 0, /* range: */ len, + want_reg_info ? ®s : (struct re_registers *) 0); + + /* Copy the register information to the POSIX structure. */ + if (want_reg_info) + { + if (ret >= 0) + { + unsigned r; + + for (r = 0; r < nmatch; r++) + { + pmatch[r].rm_so = regs.start[r]; + pmatch[r].rm_eo = regs.end[r]; + } + } + + /* If we needed the temporary register info, free the space now. */ + free (regs.start); + free (regs.end); + } + + /* We want zero return to mean success, unlike `re_search'. */ + return ret >= 0 ? (int) REG_NOERROR : (int) REG_NOMATCH; +} + + +/* Returns a message corresponding to an error code, ERRCODE, returned + from either regcomp or regexec. We don't use PREG here. */ + +size_t +regerror (errcode, preg, errbuf, errbuf_size) + int errcode; + const regex_t *preg; + char *errbuf; + size_t errbuf_size; +{ + const char *msg; + size_t msg_size; + + if (errcode < 0 + || errcode >= (sizeof (re_error_msg) / sizeof (re_error_msg[0]))) + /* Only error codes returned by the rest of the code should be passed + to this routine. If we are given anything else, or if other regex + code generates an invalid error code, then the program has a bug. + Dump core so we can fix it. */ + abort (); + + msg = re_error_msg[errcode]; + + /* POSIX doesn't require that we do anything in this case, but why + not be nice. */ + if (! msg) + msg = "Success"; + + msg_size = strlen (msg) + 1; /* Includes the null. */ + + if (errbuf_size != 0) + { + if (msg_size > errbuf_size) + { + strncpy (errbuf, msg, errbuf_size - 1); + errbuf[errbuf_size - 1] = 0; + } + else + strcpy (errbuf, msg); + } + + return msg_size; +} + + +/* Free dynamically allocated space used by PREG. */ + +void +regfree (preg) + regex_t *preg; +{ + if (preg->buffer != NULL) + free (preg->buffer); + preg->buffer = NULL; + + preg->allocated = 0; + preg->used = 0; + + if (preg->fastmap != NULL) + free (preg->fastmap); + preg->fastmap = NULL; + preg->fastmap_accurate = 0; + + if (preg->translate != NULL) + free (preg->translate); + preg->translate = NULL; +} + +#endif /* not emacs */ + +/* +Local variables: +make-backup-files: t +version-control: t +trim-versions-without-asking: nil +End: +*/ diff --git a/compat/regex.h b/compat/regex.h new file mode 100644 index 0000000000..6eb64f1402 --- /dev/null +++ b/compat/regex.h @@ -0,0 +1,490 @@ +/* Definitions for data structures and routines for the regular + expression library, version 0.12. + + Copyright (C) 1985, 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef __REGEXP_LIBRARY_H__ +#define __REGEXP_LIBRARY_H__ + +/* POSIX says that <sys/types.h> must be included (by the caller) before + <regex.h>. */ + +#ifdef VMS +/* VMS doesn't have `size_t' in <sys/types.h>, even though POSIX says it + should be there. */ +#include <stddef.h> +#endif + + +/* The following bits are used to determine the regexp syntax we + recognize. The set/not-set meanings are chosen so that Emacs syntax + remains the value 0. The bits are given in alphabetical order, and + the definitions shifted by one from the previous bit; thus, when we + add or remove a bit, only one other definition need change. */ +typedef unsigned reg_syntax_t; + +/* If this bit is not set, then \ inside a bracket expression is literal. + If set, then such a \ quotes the following character. */ +#define RE_BACKSLASH_ESCAPE_IN_LISTS (1) + +/* If this bit is not set, then + and ? are operators, and \+ and \? are + literals. + If set, then \+ and \? are operators and + and ? are literals. */ +#define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1) + +/* If this bit is set, then character classes are supported. They are: + [:alpha:], [:upper:], [:lower:], [:digit:], [:alnum:], [:xdigit:], + [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:]. + If not set, then character classes are not supported. */ +#define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1) + +/* If this bit is set, then ^ and $ are always anchors (outside bracket + expressions, of course). + If this bit is not set, then it depends: + ^ is an anchor if it is at the beginning of a regular + expression or after an open-group or an alternation operator; + $ is an anchor if it is at the end of a regular expression, or + before a close-group or an alternation operator. + + This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because + POSIX draft 11.2 says that * etc. in leading positions is undefined. + We already implemented a previous draft which made those constructs + invalid, though, so we haven't changed the code back. */ +#define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1) + +/* If this bit is set, then special characters are always special + regardless of where they are in the pattern. + If this bit is not set, then special characters are special only in + some contexts; otherwise they are ordinary. Specifically, + * + ? and intervals are only special when not after the beginning, + open-group, or alternation operator. */ +#define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1) + +/* If this bit is set, then *, +, ?, and { cannot be first in an re or + immediately after an alternation or begin-group operator. */ +#define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1) + +/* If this bit is set, then . matches newline. + If not set, then it doesn't. */ +#define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1) + +/* If this bit is set, then . doesn't match NUL. + If not set, then it does. */ +#define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1) + +/* If this bit is set, nonmatching lists [^...] do not match newline. + If not set, they do. */ +#define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1) + +/* If this bit is set, either \{...\} or {...} defines an + interval, depending on RE_NO_BK_BRACES. + If not set, \{, \}, {, and } are literals. */ +#define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1) + +/* If this bit is set, +, ? and | aren't recognized as operators. + If not set, they are. */ +#define RE_LIMITED_OPS (RE_INTERVALS << 1) + +/* If this bit is set, newline is an alternation operator. + If not set, newline is literal. */ +#define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1) + +/* If this bit is set, then `{...}' defines an interval, and \{ and \} + are literals. + If not set, then `\{...\}' defines an interval. */ +#define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1) + +/* If this bit is set, (...) defines a group, and \( and \) are literals. + If not set, \(...\) defines a group, and ( and ) are literals. */ +#define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1) + +/* If this bit is set, then \<digit> matches <digit>. + If not set, then \<digit> is a back-reference. */ +#define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1) + +/* If this bit is set, then | is an alternation operator, and \| is literal. + If not set, then \| is an alternation operator, and | is literal. */ +#define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1) + +/* If this bit is set, then an ending range point collating higher + than the starting range point, as in [z-a], is invalid. + If not set, then when ending range point collates higher than the + starting range point, the range is ignored. */ +#define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1) + +/* If this bit is set, then an unmatched ) is ordinary. + If not set, then an unmatched ) is invalid. */ +#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1) + +/* This global variable defines the particular regexp syntax to use (for + some interfaces). When a regexp is compiled, the syntax used is + stored in the pattern buffer, so changing this does not affect + already-compiled regexps. */ +extern reg_syntax_t re_syntax_options; + +/* Define combinations of the above bits for the standard possibilities. + (The [[[ comments delimit what gets put into the Texinfo file, so + don't delete them!) */ +/* [[[begin syntaxes]]] */ +#define RE_SYNTAX_EMACS 0 + +#define RE_SYNTAX_AWK \ + (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \ + | RE_NO_BK_PARENS | RE_NO_BK_REFS \ + | RE_NO_BK_VBAR | RE_NO_EMPTY_RANGES \ + | RE_UNMATCHED_RIGHT_PAREN_ORD) + +#define RE_SYNTAX_POSIX_AWK \ + (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS) + +#define RE_SYNTAX_GREP \ + (RE_BK_PLUS_QM | RE_CHAR_CLASSES \ + | RE_HAT_LISTS_NOT_NEWLINE | RE_INTERVALS \ + | RE_NEWLINE_ALT) + +#define RE_SYNTAX_EGREP \ + (RE_CHAR_CLASSES | RE_CONTEXT_INDEP_ANCHORS \ + | RE_CONTEXT_INDEP_OPS | RE_HAT_LISTS_NOT_NEWLINE \ + | RE_NEWLINE_ALT | RE_NO_BK_PARENS \ + | RE_NO_BK_VBAR) + +#define RE_SYNTAX_POSIX_EGREP \ + (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES) + +/* P1003.2/D11.2, section 4.20.7.1, lines 5078ff. */ +#define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC + +#define RE_SYNTAX_SED RE_SYNTAX_POSIX_BASIC + +/* Syntax bits common to both basic and extended POSIX regex syntax. */ +#define _RE_SYNTAX_POSIX_COMMON \ + (RE_CHAR_CLASSES | RE_DOT_NEWLINE | RE_DOT_NOT_NULL \ + | RE_INTERVALS | RE_NO_EMPTY_RANGES) + +#define RE_SYNTAX_POSIX_BASIC \ + (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM) + +/* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes + RE_LIMITED_OPS, i.e., \? \+ \| are not recognized. Actually, this + isn't minimal, since other operators, such as \`, aren't disabled. */ +#define RE_SYNTAX_POSIX_MINIMAL_BASIC \ + (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS) + +#define RE_SYNTAX_POSIX_EXTENDED \ + (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \ + | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \ + | RE_NO_BK_PARENS | RE_NO_BK_VBAR \ + | RE_UNMATCHED_RIGHT_PAREN_ORD) + +/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS + replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added. */ +#define RE_SYNTAX_POSIX_MINIMAL_EXTENDED \ + (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \ + | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES \ + | RE_NO_BK_PARENS | RE_NO_BK_REFS \ + | RE_NO_BK_VBAR | RE_UNMATCHED_RIGHT_PAREN_ORD) +/* [[[end syntaxes]]] */ + +/* Maximum number of duplicates an interval can allow. Some systems + (erroneously) define this in other header files, but we want our + value, so remove any previous define. */ +#ifdef RE_DUP_MAX +#undef RE_DUP_MAX +#endif +#define RE_DUP_MAX ((1 << 15) - 1) + + +/* POSIX `cflags' bits (i.e., information for `regcomp'). */ + +/* If this bit is set, then use extended regular expression syntax. + If not set, then use basic regular expression syntax. */ +#define REG_EXTENDED 1 + +/* If this bit is set, then ignore case when matching. + If not set, then case is significant. */ +#define REG_ICASE (REG_EXTENDED << 1) + +/* If this bit is set, then anchors do not match at newline + characters in the string. + If not set, then anchors do match at newlines. */ +#define REG_NEWLINE (REG_ICASE << 1) + +/* If this bit is set, then report only success or fail in regexec. + If not set, then returns differ between not matching and errors. */ +#define REG_NOSUB (REG_NEWLINE << 1) + + +/* POSIX `eflags' bits (i.e., information for regexec). */ + +/* If this bit is set, then the beginning-of-line operator doesn't match + the beginning of the string (presumably because it's not the + beginning of a line). + If not set, then the beginning-of-line operator does match the + beginning of the string. */ +#define REG_NOTBOL 1 + +/* Like REG_NOTBOL, except for the end-of-line. */ +#define REG_NOTEOL (1 << 1) + + +/* If any error codes are removed, changed, or added, update the + `re_error_msg' table in regex.c. */ +typedef enum +{ + REG_NOERROR = 0, /* Success. */ + REG_NOMATCH, /* Didn't find a match (for regexec). */ + + /* POSIX regcomp return error codes. (In the order listed in the + standard.) */ + REG_BADPAT, /* Invalid pattern. */ + REG_ECOLLATE, /* Not implemented. */ + REG_ECTYPE, /* Invalid character class name. */ + REG_EESCAPE, /* Trailing backslash. */ + REG_ESUBREG, /* Invalid back reference. */ + REG_EBRACK, /* Unmatched left bracket. */ + REG_EPAREN, /* Parenthesis imbalance. */ + REG_EBRACE, /* Unmatched \{. */ + REG_BADBR, /* Invalid contents of \{\}. */ + REG_ERANGE, /* Invalid range end. */ + REG_ESPACE, /* Ran out of memory. */ + REG_BADRPT, /* No preceding re for repetition op. */ + + /* Error codes we've added. */ + REG_EEND, /* Premature end. */ + REG_ESIZE, /* Compiled pattern bigger than 2^16 bytes. */ + REG_ERPAREN /* Unmatched ) or \); not returned from regcomp. */ +} reg_errcode_t; + +/* This data structure represents a compiled pattern. Before calling + the pattern compiler, the fields `buffer', `allocated', `fastmap', + `translate', and `no_sub' can be set. After the pattern has been + compiled, the `re_nsub' field is available. All other fields are + private to the regex routines. */ + +struct re_pattern_buffer +{ +/* [[[begin pattern_buffer]]] */ + /* Space that holds the compiled pattern. It is declared as + `unsigned char *' because its elements are + sometimes used as array indexes. */ + unsigned char *buffer; + + /* Number of bytes to which `buffer' points. */ + unsigned long allocated; + + /* Number of bytes actually used in `buffer'. */ + unsigned long used; + + /* Syntax setting with which the pattern was compiled. */ + reg_syntax_t syntax; + + /* Pointer to a fastmap, if any, otherwise zero. re_search uses + the fastmap, if there is one, to skip over impossible + starting points for matches. */ + char *fastmap; + + /* Either a translate table to apply to all characters before + comparing them, or zero for no translation. The translation + is applied to a pattern when it is compiled and to a string + when it is matched. */ + char *translate; + + /* Number of subexpressions found by the compiler. */ + size_t re_nsub; + + /* Zero if this pattern cannot match the empty string, one else. + Well, in truth it's used only in `re_search_2', to see + whether or not we should use the fastmap, so we don't set + this absolutely perfectly; see `re_compile_fastmap' (the + `duplicate' case). */ + unsigned can_be_null : 1; + + /* If REGS_UNALLOCATED, allocate space in the `regs' structure + for `max (RE_NREGS, re_nsub + 1)' groups. + If REGS_REALLOCATE, reallocate space if necessary. + If REGS_FIXED, use what's there. */ +#define REGS_UNALLOCATED 0 +#define REGS_REALLOCATE 1 +#define REGS_FIXED 2 + unsigned regs_allocated : 2; + + /* Set to zero when `regex_compile' compiles a pattern; set to one + by `re_compile_fastmap' if it updates the fastmap. */ + unsigned fastmap_accurate : 1; + + /* If set, `re_match_2' does not return information about + subexpressions. */ + unsigned no_sub : 1; + + /* If set, a beginning-of-line anchor doesn't match at the + beginning of the string. */ + unsigned not_bol : 1; + + /* Similarly for an end-of-line anchor. */ + unsigned not_eol : 1; + + /* If true, an anchor at a newline matches. */ + unsigned newline_anchor : 1; + +/* [[[end pattern_buffer]]] */ +}; + +typedef struct re_pattern_buffer regex_t; + + +/* search.c (search_buffer) in Emacs needs this one opcode value. It is + defined both in `regex.c' and here. */ +#define RE_EXACTN_VALUE 1 + +/* Type for byte offsets within the string. POSIX mandates this. */ +typedef int regoff_t; + + +/* This is the structure we store register match data in. See + regex.texinfo for a full description of what registers match. */ +struct re_registers +{ + unsigned num_regs; + regoff_t *start; + regoff_t *end; +}; + + +/* If `regs_allocated' is REGS_UNALLOCATED in the pattern buffer, + `re_match_2' returns information about at least this many registers + the first time a `regs' structure is passed. */ +#ifndef RE_NREGS +#define RE_NREGS 30 +#endif + + +/* POSIX specification for registers. Aside from the different names than + `re_registers', POSIX uses an array of structures, instead of a + structure of arrays. */ +typedef struct +{ + regoff_t rm_so; /* Byte offset from string's start to substring's start. */ + regoff_t rm_eo; /* Byte offset from string's start to substring's end. */ +} regmatch_t; + +/* Declarations for routines. */ + +/* To avoid duplicating every routine declaration -- once with a + prototype (if we are ANSI), and once without (if we aren't) -- we + use the following macro to declare argument types. This + unfortunately clutters up the declarations a bit, but I think it's + worth it. */ + +#if __STDC__ + +#define _RE_ARGS(args) args + +#else /* not __STDC__ */ + +#define _RE_ARGS(args) () + +#endif /* not __STDC__ */ + +/* Sets the current default syntax to SYNTAX, and return the old syntax. + You can also simply assign to the `re_syntax_options' variable. */ +extern reg_syntax_t re_set_syntax _RE_ARGS ((reg_syntax_t syntax)); + +/* Compile the regular expression PATTERN, with length LENGTH + and syntax given by the global `re_syntax_options', into the buffer + BUFFER. Return NULL if successful, and an error string if not. */ +extern const char *re_compile_pattern + _RE_ARGS ((const char *pattern, int length, + struct re_pattern_buffer *buffer)); + + +/* Compile a fastmap for the compiled pattern in BUFFER; used to + accelerate searches. Return 0 if successful and -2 if was an + internal error. */ +extern int re_compile_fastmap _RE_ARGS ((struct re_pattern_buffer *buffer)); + + +/* Search in the string STRING (with length LENGTH) for the pattern + compiled into BUFFER. Start searching at position START, for RANGE + characters. Return the starting position of the match, -1 for no + match, or -2 for an internal error. Also return register + information in REGS (if REGS and BUFFER->no_sub are nonzero). */ +extern int re_search + _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string, + int length, int start, int range, struct re_registers *regs)); + + +/* Like `re_search', but search in the concatenation of STRING1 and + STRING2. Also, stop searching at index START + STOP. */ +extern int re_search_2 + _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1, + int length1, const char *string2, int length2, + int start, int range, struct re_registers *regs, int stop)); + + +/* Like `re_search', but return how many characters in STRING the regexp + in BUFFER matched, starting at position START. */ +extern int re_match + _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string, + int length, int start, struct re_registers *regs)); + + +/* Relates to `re_match' as `re_search_2' relates to `re_search'. */ +extern int re_match_2 + _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1, + int length1, const char *string2, int length2, + int start, struct re_registers *regs, int stop)); + + +/* Set REGS to hold NUM_REGS registers, storing them in STARTS and + ENDS. Subsequent matches using BUFFER and REGS will use this memory + for recording register information. STARTS and ENDS must be + allocated with malloc, and must each be at least `NUM_REGS * sizeof + (regoff_t)' bytes long. + + If NUM_REGS == 0, then subsequent matches should allocate their own + register data. + + Unless this function is called, the first search or match using + PATTERN_BUFFER will allocate its own register data, without + freeing the old data. */ +extern void re_set_registers + _RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs, + unsigned num_regs, regoff_t *starts, regoff_t *ends)); + +/* 4.2 bsd compatibility. */ +extern char *re_comp _RE_ARGS ((const char *)); +extern int re_exec _RE_ARGS ((const char *)); + +/* POSIX compatibility. */ +extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags)); +extern int regexec + _RE_ARGS ((const regex_t *preg, const char *string, size_t nmatch, + regmatch_t pmatch[], int eflags)); +extern size_t regerror + _RE_ARGS ((int errcode, const regex_t *preg, char *errbuf, + size_t errbuf_size)); +extern void regfree _RE_ARGS ((regex_t *preg)); + +#endif /* not __REGEXP_LIBRARY_H__ */ + +/* +Local variables: +make-backup-files: t +version-control: t +trim-versions-without-asking: nil +End: +*/ diff --git a/compat/snprintf.c b/compat/snprintf.c index dbfc2d6b6e..580966e56a 100644 --- a/compat/snprintf.c +++ b/compat/snprintf.c @@ -1,12 +1,25 @@ #include "../git-compat-util.h" +/* + * The size parameter specifies the available space, i.e. includes + * the trailing NUL byte; but Windows's vsnprintf expects the + * number of characters to write without the trailing NUL. + */ +#ifndef SNPRINTF_SIZE_CORR +#define SNPRINTF_SIZE_CORR 0 +#endif + #undef vsnprintf int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap) { char *s; - int ret; + int ret = -1; - ret = vsnprintf(str, maxsize, format, ap); + if (maxsize > 0) { + ret = vsnprintf(str, maxsize-SNPRINTF_SIZE_CORR, format, ap); + /* Windows does not NUL-terminate if result fills buffer */ + str[maxsize-1] = 0; + } if (ret != -1) return ret; @@ -20,7 +33,7 @@ int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap) if (! str) break; s = str; - ret = vsnprintf(str, maxsize, format, ap); + ret = vsnprintf(str, maxsize-SNPRINTF_SIZE_CORR, format, ap); } free(s); return ret; @@ -16,6 +16,8 @@ static int config_linenr; static int config_file_eof; static int zlib_compression_seen; +const char *config_exclusive_filename = NULL; + static int get_next_char(void) { int c; @@ -111,7 +113,7 @@ static inline int iskeychar(int c) return isalnum(c) || c == '-'; } -static int get_value(config_fn_t fn, char *name, unsigned int len) +static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) { int c; char *value; @@ -139,7 +141,7 @@ static int get_value(config_fn_t fn, char *name, unsigned int len) if (!value) return -1; } - return fn(name, value); + return fn(name, value, data); } static int get_extended_base_var(char *name, int baselen, int c) @@ -197,7 +199,7 @@ static int get_base_var(char *name) } } -static int git_parse_file(config_fn_t fn) +static int git_parse_file(config_fn_t fn, void *data) { int comment = 0; int baselen = 0; @@ -228,7 +230,7 @@ static int git_parse_file(config_fn_t fn) if (!isalpha(c)) break; var[baselen] = tolower(c); - if (get_value(fn, var, baselen+1) < 0) + if (get_value(fn, data, var, baselen+1) < 0) break; } die("bad config file line %d in %s", config_linenr, config_file_name); @@ -332,7 +334,7 @@ int git_config_string(const char **dest, const char *var, const char *value) return 0; } -int git_default_config(const char *var, const char *value) +static int git_default_core_config(const char *var, const char *value) { /* This needs a better name */ if (!strcmp(var, "core.filemode")) { @@ -444,6 +446,33 @@ int git_default_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.pager")) + return git_config_string(&pager_program, var, value); + + if (!strcmp(var, "core.editor")) + return git_config_string(&editor_program, var, value); + + if (!strcmp(var, "core.excludesfile")) + return git_config_string(&excludes_file, var, value); + + if (!strcmp(var, "core.whitespace")) { + if (!value) + return config_error_nonbool(var); + whitespace_rule_cfg = parse_whitespace_rule(value); + return 0; + } + + if (!strcmp(var, "core.fsyncobjectfiles")) { + fsync_object_files = git_config_bool(var, value); + return 0; + } + + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +static int git_default_user_config(const char *var, const char *value) +{ if (!strcmp(var, "user.name")) { if (!value) return config_error_nonbool(var); @@ -462,32 +491,24 @@ int git_default_config(const char *var, const char *value) return 0; } + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +static int git_default_i18n_config(const char *var, const char *value) +{ if (!strcmp(var, "i18n.commitencoding")) return git_config_string(&git_commit_encoding, var, value); if (!strcmp(var, "i18n.logoutputencoding")) return git_config_string(&git_log_output_encoding, var, value); - if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { - pager_use_color = git_config_bool(var,value); - return 0; - } - - if (!strcmp(var, "core.pager")) - return git_config_string(&pager_program, var, value); - - if (!strcmp(var, "core.editor")) - return git_config_string(&editor_program, var, value); - - if (!strcmp(var, "core.excludesfile")) - return git_config_string(&excludes_file, var, value); + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} - if (!strcmp(var, "core.whitespace")) { - if (!value) - return config_error_nonbool(var); - whitespace_rule_cfg = parse_whitespace_rule(value); - return 0; - } +static int git_default_branch_config(const char *var, const char *value) +{ if (!strcmp(var, "branch.autosetupmerge")) { if (value && !strcasecmp(value, "always")) { git_branch_track = BRANCH_TRACK_ALWAYS; @@ -516,7 +537,30 @@ int git_default_config(const char *var, const char *value) return 0; } -int git_config_from_file(config_fn_t fn, const char *filename) +int git_default_config(const char *var, const char *value, void *dummy) +{ + if (!prefixcmp(var, "core.")) + return git_default_core_config(var, value); + + if (!prefixcmp(var, "user.")) + return git_default_user_config(var, value); + + if (!prefixcmp(var, "i18n.")) + return git_default_i18n_config(var, value); + + if (!prefixcmp(var, "branch.")) + return git_default_branch_config(var, value); + + if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { + pager_use_color = git_config_bool(var,value); + return 0; + } + + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +int git_config_from_file(config_fn_t fn, const char *filename, void *data) { int ret; FILE *f = fopen(filename, "r"); @@ -527,7 +571,7 @@ int git_config_from_file(config_fn_t fn, const char *filename) config_file_name = filename; config_linenr = 1; config_file_eof = 0; - ret = git_parse_file(fn); + ret = git_parse_file(fn, data); fclose(f); config_file_name = NULL; } @@ -549,7 +593,7 @@ const char *git_etc_gitconfig(void) return system_wide; } -int git_env_bool(const char *k, int def) +static int git_env_bool(const char *k, int def) { const char *v = getenv(k); return v ? git_config_bool(k, v) : def; @@ -565,34 +609,32 @@ int git_config_global(void) return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0); } -int git_config(config_fn_t fn) +int git_config(config_fn_t fn, void *data) { int ret = 0; char *repo_config = NULL; - const char *home = NULL, *filename; + const char *home = NULL; /* $GIT_CONFIG makes git read _only_ the given config file, * $GIT_CONFIG_LOCAL will make it process it in addition to the * global config file, the same way it would the per-repository * config file otherwise. */ - filename = getenv(CONFIG_ENVIRONMENT); - if (!filename) { - if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) - ret += git_config_from_file(fn, git_etc_gitconfig()); - home = getenv("HOME"); - filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!filename) - filename = repo_config = xstrdup(git_path("config")); - } + if (config_exclusive_filename) + return git_config_from_file(fn, config_exclusive_filename, data); + if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) + ret += git_config_from_file(fn, git_etc_gitconfig(), + data); + home = getenv("HOME"); if (git_config_global() && home) { char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); if (!access(user_config, R_OK)) - ret = git_config_from_file(fn, user_config); + ret += git_config_from_file(fn, user_config, data); free(user_config); } - ret += git_config_from_file(fn, filename); + repo_config = xstrdup(git_path("config")); + ret += git_config_from_file(fn, repo_config, data); free(repo_config); return ret; } @@ -622,7 +664,7 @@ static int matches(const char* key, const char* value) !regexec(store.value_regex, value, 0, NULL, 0))); } -static int store_aux(const char* key, const char* value) +static int store_aux(const char* key, const char* value, void *cb) { const char *ep; size_t section_len; @@ -830,13 +872,10 @@ int git_config_set_multivar(const char* key, const char* value, struct lock_file *lock = NULL; const char* last_dot = strrchr(key, '.'); - config_filename = getenv(CONFIG_ENVIRONMENT); - if (!config_filename) { - config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!config_filename) - config_filename = git_path("config"); - } - config_filename = xstrdup(config_filename); + if (config_exclusive_filename) + config_filename = xstrdup(config_exclusive_filename); + else + config_filename = xstrdup(git_path("config")); /* * Since "key" actually contains the section name and the real @@ -951,7 +990,7 @@ int git_config_set_multivar(const char* key, const char* value, * As a side effect, we make sure to transform only a valid * existing config file. */ - if (git_config_from_file(store_aux, config_filename)) { + if (git_config_from_file(store_aux, config_filename, NULL)) { error("invalid config file %s", config_filename); free(store.key); if (store.value_regex != NULL) { @@ -1093,13 +1132,10 @@ int git_config_rename_section(const char *old_name, const char *new_name) int out_fd; char buf[1024]; - config_filename = getenv(CONFIG_ENVIRONMENT); - if (!config_filename) { - config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!config_filename) - config_filename = git_path("config"); - } - config_filename = xstrdup(config_filename); + if (config_exclusive_filename) + config_filename = xstrdup(config_exclusive_filename); + else + config_filename = xstrdup(git_path("config")); out_fd = hold_lock_file_for_update(lock, config_filename, 0); if (out_fd < 0) { ret = error("could not lock config file %s", config_filename); diff --git a/config.mak.in b/config.mak.in index 7868dfd93a..b776149531 100644 --- a/config.mak.in +++ b/config.mak.in @@ -11,7 +11,7 @@ TCLTK_PATH = @TCLTK_PATH@ prefix = @prefix@ exec_prefix = @exec_prefix@ bindir = @bindir@ -#gitexecdir = @libexecdir@/git-core/ +gitexecdir = @libexecdir@/git-core/ datarootdir = @datarootdir@ template_dir = @datadir@/git-core/templates/ diff --git a/configure.ac b/configure.ac index 82584e9153..7c2856efc9 100644 --- a/configure.ac +++ b/configure.ac @@ -158,7 +158,7 @@ AC_CHECK_LIB([crypto], [SHA1_Init], AC_SUBST(NEEDS_SSL_WITH_CRYPTO) AC_SUBST(NO_OPENSSL) # -# Define NO_CURL if you do not have curl installed. git-http-pull and +# Define NO_CURL if you do not have libcurl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. AC_CHECK_LIB([curl], [curl_global_init], @@ -360,7 +360,8 @@ static char *git_proxy_command; static const char *rhost_name; static int rhost_len; -static int git_proxy_command_options(const char *var, const char *value) +static int git_proxy_command_options(const char *var, const char *value, + void *cb) { if (!strcmp(var, "core.gitproxy")) { const char *for_pos; @@ -404,7 +405,7 @@ static int git_proxy_command_options(const char *var, const char *value) return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int git_use_proxy(const char *host) @@ -412,7 +413,7 @@ static int git_use_proxy(const char *host) rhost_name = host; rhost_len = strlen(host); git_proxy_command = getenv("GIT_PROXY_COMMAND"); - git_config(git_proxy_command_options); + git_config(git_proxy_command_options, NULL); rhost_name = NULL; return (git_proxy_command && *git_proxy_command); } @@ -528,7 +529,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig, end = host; path = strchr(end, c); - if (path) { + if (path && !has_dos_drive_prefix(end)) { if (c == ':') { protocol = PROTO_SSH; *path++ = '\0'; diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 16984632d9..d54aa8d62c 100755 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -500,7 +500,10 @@ _git_add () local cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in --*) - __gitcomp "--interactive --refresh" + __gitcomp " + --interactive --refresh --patch --update --dry-run + --ignore-errors + " return esac COMPREPLY=() @@ -508,7 +511,7 @@ _git_add () _git_bisect () { - local subcommands="start bad good reset visualize replay log" + local subcommands="start bad good skip reset visualize replay log run" local subcommand="$(__git_find_subcommand "$subcommands")" if [ -z "$subcommand" ]; then __gitcomp "$subcommands" @@ -516,7 +519,7 @@ _git_bisect () fi case "$subcommand" in - bad|good|reset) + bad|good|reset|skip) __gitcomp "$(__git_refs)" ;; *) @@ -758,6 +761,10 @@ _git_log () --pretty= --name-status --name-only --raw --not --all --left-right --cherry-pick + --graph + --stat --numstat --shortstat + --decorate --diff-filter= + --color-words --walk-reflogs " return ;; @@ -1034,7 +1041,6 @@ _git_config () pull.octopus pull.twohead repack.useDeltaBaseOffset - show.difftree showbranch.default tar.umask transfer.unpackLimit @@ -1043,7 +1049,6 @@ _git_config () user.name user.email user.signingkey - whatchanged.difftree branch. remote. " } diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el index 2557a7667f..4fa853fae7 100644 --- a/contrib/emacs/git.el +++ b/contrib/emacs/git.el @@ -232,8 +232,10 @@ and returns the process output as a string, or nil if the git failed." (defun git-run-command-region (buffer start end env &rest args) "Run a git command with specified buffer region as input." - (unless (eq 0 (let ((process-environment (append (git-get-env-strings env) - process-environment))) + (unless (eq 0 (if env + (git-run-process-region + buffer start end "env" + (append (git-get-env-strings env) (list "git") args)) (git-run-process-region buffer start end "git" args))) (error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string)))) @@ -248,8 +250,9 @@ and returns the process output as a string, or nil if the git failed." (erase-buffer) (cd dir) (setq status - (let ((process-environment (append (git-get-env-strings env) - process-environment))) + (if env + (apply #'call-process "env" nil (list buffer t) nil + (append (git-get-env-strings env) (list hook-name) args)) (apply #'call-process hook-name nil (list buffer t) nil args)))) (display-message-or-buffer buffer) (eq 0 status))))) diff --git a/git-clone.sh b/contrib/examples/git-clone.sh index 547228e13c..547228e13c 100755 --- a/git-clone.sh +++ b/contrib/examples/git-clone.sh diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4 index d8de9f6c25..87ca51e401 100755 --- a/contrib/fast-import/git-p4 +++ b/contrib/fast-import/git-p4 @@ -687,6 +687,10 @@ class P4Submit(Command): else: return False + allowSubmit = gitConfig("git-p4.allowSubmit") + if len(allowSubmit) > 0 and not self.master in allowSubmit.split(","): + die("%s is not in git-p4.allowSubmit" % self.master) + [upstream, settings] = findUpstreamBranchPoint() self.depotPath = settings['depot-paths'][0] if len(self.origin) == 0: diff --git a/contrib/fast-import/import-zips.py b/contrib/fast-import/import-zips.py new file mode 100755 index 0000000000..c674fa2d1b --- /dev/null +++ b/contrib/fast-import/import-zips.py @@ -0,0 +1,72 @@ +#!/usr/bin/python + +## zip archive frontend for git-fast-import +## +## For example: +## +## mkdir project; cd project; git init +## python import-zips.py *.zip +## git log --stat import-zips + +from os import popen, path +from sys import argv, exit +from time import mktime +from zipfile import ZipFile + +if len(argv) < 2: + print 'Usage:', argv[0], '<zipfile>...' + exit(1) + +branch_ref = 'refs/heads/import-zips' +committer_name = 'Z Ip Creator' +committer_email = 'zip@example.com' + +fast_import = popen('git fast-import --quiet', 'w') +def printlines(list): + for str in list: + fast_import.write(str + "\n") + +for zipfile in argv[1:]: + commit_time = 0 + next_mark = 1 + common_prefix = None + mark = dict() + + zip = ZipFile(zipfile, 'r') + for name in zip.namelist(): + if name.endswith('/'): + continue + info = zip.getinfo(name) + + if commit_time < info.date_time: + commit_time = info.date_time + if common_prefix == None: + common_prefix = name[:name.rfind('/') + 1] + else: + while not name.startswith(common_prefix): + common_prefix = name[:name.rfind('/') + 1] + + mark[name] = ':' + str(next_mark) + next_mark += 1 + + printlines(('blob', 'mark ' + mark[name], \ + 'data ' + str(info.file_size))) + fast_import.write(zip.read(name) + "\n") + + committer = committer_name + ' <' + committer_email + '> %d +0000' % \ + mktime(commit_time + (0, 0, 0)) + + printlines(('commit ' + branch_ref, 'committer ' + committer, \ + 'data <<EOM', 'Imported from ' + zipfile + '.', 'EOM', \ + '', 'deleteall')) + + for name in mark.keys(): + fast_import.write('M 100644 ' + mark[name] + ' ' + + name[len(common_prefix):] + "\n") + + printlines(('', 'tag ' + path.basename(zipfile), \ + 'from ' + branch_ref, 'tagger ' + committer, \ + 'data <<EOM', 'Package ' + zipfile, 'EOM', '')) + +if fast_import.close(): + exit(1) diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py index d72ffbb777..7b03204ed1 100755 --- a/contrib/hg-to-git/hg-to-git.py +++ b/contrib/hg-to-git/hg-to-git.py @@ -46,6 +46,7 @@ options: for incrementals -n, --nrepack=INT: number of changesets that will trigger a repack (default=0, -1 to deactivate) + -v, --verbose: be verbose required: hgprj: name of the HG project to import (directory) @@ -75,17 +76,20 @@ def getgitenv(user, date): state = '' opt_nrepack = 0 +verbose = False try: - opts, args = getopt.getopt(sys.argv[1:], 's:t:n:', ['gitstate=', 'tempdir=', 'nrepack=']) + opts, args = getopt.getopt(sys.argv[1:], 's:t:n:v', ['gitstate=', 'tempdir=', 'nrepack=', 'verbose']) for o, a in opts: if o in ('-s', '--gitstate'): state = a state = os.path.abspath(state) if o in ('-n', '--nrepack'): opt_nrepack = int(a) + if o in ('-v', '--verbose'): + verbose = True if len(args) != 1: - raise('params') + raise Exception('params') except: usage() sys.exit(1) @@ -95,17 +99,23 @@ os.chdir(hgprj) if state: if os.path.exists(state): - print 'State does exist, reading' + if verbose: + print 'State does exist, reading' f = open(state, 'r') hgvers = pickle.load(f) else: print 'State does not exist, first run' -tip = os.popen('hg tip --template "{rev}"').read() -print 'tip is', tip +sock = os.popen('hg tip --template "{rev}"') +tip = sock.read() +if sock.close(): + sys.exit(1) +if verbose: + print 'tip is', tip # Calculate the branches -print 'analysing the branches...' +if verbose: + print 'analysing the branches...' hgchildren["0"] = () hgparents["0"] = (None, None) hgbranch["0"] = "master" @@ -142,7 +152,7 @@ for cset in range(1, int(tip) + 1): if not hgvers.has_key("0"): print 'creating repository' - os.system('git-init-db') + os.system('git init') # loop through every hg changeset for cset in range(int(tip) + 1): @@ -184,10 +194,10 @@ for cset in range(int(tip) + 1): if cset != 0: if hgbranch[str(cset)] == "branch-" + str(cset): print 'creating new branch', hgbranch[str(cset)] - os.system('git-checkout -b %s %s' % (hgbranch[str(cset)], hgvers[parent])) + os.system('git checkout -b %s %s' % (hgbranch[str(cset)], hgvers[parent])) else: print 'checking out branch', hgbranch[str(cset)] - os.system('git-checkout %s' % hgbranch[str(cset)]) + os.system('git checkout %s' % hgbranch[str(cset)]) # merge if mparent: @@ -196,7 +206,7 @@ for cset in range(int(tip) + 1): else: otherbranch = hgbranch[parent] print 'merging', otherbranch, 'into', hgbranch[str(cset)] - os.system(getgitenv(user, date) + 'git-merge --no-commit -s ours "" %s %s' % (hgbranch[str(cset)], otherbranch)) + os.system(getgitenv(user, date) + 'git merge --no-commit -s ours "" %s %s' % (hgbranch[str(cset)], otherbranch)) # remove everything except .git and .hg directories os.system('find . \( -path "./.hg" -o -path "./.git" \) -prune -o ! -name "." -print | xargs rm -rf') @@ -205,9 +215,9 @@ for cset in range(int(tip) + 1): os.system('hg update -C %d' % cset) # add new files - os.system('git-ls-files -x .hg --others | git-update-index --add --stdin') + os.system('git ls-files -x .hg --others | git update-index --add --stdin') # delete removed files - os.system('git-ls-files -x .hg --deleted | git-update-index --remove --stdin') + os.system('git ls-files -x .hg --deleted | git update-index --remove --stdin') # commit os.system(getgitenv(user, date) + 'git commit --allow-empty -a -F %s' % filecomment) @@ -215,24 +225,25 @@ for cset in range(int(tip) + 1): # tag if tag and tag != 'tip': - os.system(getgitenv(user, date) + 'git-tag %s' % tag) + os.system(getgitenv(user, date) + 'git tag %s' % tag) # delete branch if not used anymore... if mparent and len(hgchildren[str(cset)]): print "Deleting unused branch:", otherbranch - os.system('git-branch -d %s' % otherbranch) + os.system('git branch -d %s' % otherbranch) # retrieve and record the version - vvv = os.popen('git-show --quiet --pretty=format:%H').read() + vvv = os.popen('git show --quiet --pretty=format:%H').read() print 'record', cset, '->', vvv hgvers[str(cset)] = vvv if hgnewcsets >= opt_nrepack and opt_nrepack != -1: - os.system('git-repack -a -d') + os.system('git repack -a -d') # write the state for incrementals if state: - print 'Writing state' + if verbose: + print 'Writing state' f = open(state, 'w') pickle.dump(hgvers, f) diff --git a/contrib/hooks/update-paranoid b/contrib/hooks/update-paranoid index 068fa37083..d18b317b2f 100644 --- a/contrib/hooks/update-paranoid +++ b/contrib/hooks/update-paranoid @@ -136,6 +136,7 @@ sub parse_config ($$$$) { local $ENV{GIT_DIR} = shift; my $br = shift; my $fn = shift; + return unless git_value('rev-list','--max-count=1',$br,'--',$fn); info "Loading $br:$fn"; open(I,'-|','git','cat-file','blob',"$br:$fn"); my $section = ''; @@ -225,14 +226,12 @@ sub load_diff ($) { local $/ = "\0"; my %this_diff; if ($base =~ /^0{40}$/) { - open(T,'-|','git','ls-tree', - '-r','--name-only','-z', - $new) or return undef; - while (<T>) { - chop; - $this_diff{$_} = 'A'; - } - close T or return undef; + # Don't load the diff at all; we are making the + # branch and have no base to compare to in this + # case. A file level ACL makes no sense in this + # context. Having an empty diff will allow the + # branch creation. + # } else { open(T,'-|','git','diff-tree', '-r','--name-status','-z', @@ -260,6 +259,7 @@ deny "Refusing funny ref $ref" unless $ref =~ s,^refs/,,; deny "Bad old value $old" unless $old =~ /^[a-z0-9]{40}$/; deny "Bad new value $new" unless $new =~ /^[a-z0-9]{40}$/; deny "Cannot determine who you are." unless $this_user; +grant "No change requested." if $old eq $new; $repository_name = File::Spec->rel2abs($git_dir); $repository_name =~ m,/([^/]+)(?:\.git|/\.git)$,; diff --git a/contrib/thunderbird-patch-inline/README b/contrib/thunderbird-patch-inline/README new file mode 100644 index 0000000000..39f96aa115 --- /dev/null +++ b/contrib/thunderbird-patch-inline/README @@ -0,0 +1,20 @@ +appp.sh is a script that is supposed to be used together with ExternalEditor +for Mozilla Thundebird. It will let you include patches inline in e-mails +in an easy way. + +Usage: +- Generate the patch with git format-patch. +- Start writing a new e-mail in Thunderbird. +- Press the external editor button (or Ctrl-E) to run appp.sh +- Select the previosly generated patch file. +- Finish editing the e-mail. + +Any text that is entered into the message editor before appp.sh is called +will be moved to the section between the --- and the diffstat. + +All S-O-B:s and Cc:s in the patch will be added to the CC list. + +To set it up, just install External Editor and tell it to use appp.sh as the +editor. + +Zenity is a required dependency. diff --git a/contrib/thunderbird-patch-inline/appp.sh b/contrib/thunderbird-patch-inline/appp.sh new file mode 100755 index 0000000000..cc518f3c89 --- /dev/null +++ b/contrib/thunderbird-patch-inline/appp.sh @@ -0,0 +1,55 @@ +#!/bin/bash +# Copyright 2008 Lukas Sandström <luksan@gmail.com> +# +# AppendPatch - A script to be used together with ExternalEditor +# for Mozilla Thunderbird to properly include pathes inline i e-mails. + +# ExternalEditor can be downloaded at http://globs.org/articles.php?lng=en&pg=2 + +CONFFILE=~/.appprc + +SEP="-=-=-=-=-=-=-=-=-=# Don't remove this line #=-=-=-=-=-=-=-=-=-" +if [ -e "$CONFFILE" ] ; then + LAST_DIR=`grep -m 1 "^LAST_DIR=" "${CONFFILE}"|sed -e 's/^LAST_DIR=//'` + cd "${LAST_DIR}" +else + cd > /dev/null +fi + +PATCH=$(zenity --file-selection) + +if [ "$?" != "0" ] ; then + #zenity --error --text "No patchfile given." + exit 1 +fi + +cd - > /dev/null + +SUBJECT=`sed -n -e '/^Subject: /p' "${PATCH}"` +HEADERS=`sed -e '/^'"${SEP}"'$/,$d' $1` +BODY=`sed -e "1,/${SEP}/d" $1` +CMT_MSG=`sed -e '1,/^$/d' -e '/^---$/,$d' "${PATCH}"` +DIFF=`sed -e '1,/^---$/d' "${PATCH}"` + +CCS=`echo -e "$CMT_MSG\n$HEADERS" | sed -n -e 's/^Cc: \(.*\)$/\1,/gp' \ + -e 's/^Signed-off-by: \(.*\)/\1,/gp'` + +echo "$SUBJECT" > $1 +echo "Cc: $CCS" >> $1 +echo "$HEADERS" | sed -e '/^Subject: /d' -e '/^Cc: /d' >> $1 +echo "$SEP" >> $1 + +echo "$CMT_MSG" >> $1 +echo "---" >> $1 +if [ "x${BODY}x" != "xx" ] ; then + echo >> $1 + echo "$BODY" >> $1 + echo >> $1 +fi +echo "$DIFF" >> $1 + +LAST_DIR=`dirname "${PATCH}"` + +grep -v "^LAST_DIR=" "${CONFFILE}" > "${CONFFILE}_" +echo "LAST_DIR=${LAST_DIR}" >> "${CONFFILE}_" +mv "${CONFFILE}_" "${CONFFILE}" @@ -319,11 +319,11 @@ static int apply_filter(const char *path, const char *src, size_t len, static struct convert_driver { const char *name; struct convert_driver *next; - char *smudge; - char *clean; + const char *smudge; + const char *clean; } *user_convert, **user_convert_tail; -static int read_convert_config(const char *var, const char *value) +static int read_convert_config(const char *var, const char *value, void *cb) { const char *ep, *name; int namelen; @@ -358,19 +358,12 @@ static int read_convert_config(const char *var, const char *value) * The command-line will not be interpolated in any way. */ - if (!strcmp("smudge", ep)) { - if (!value) - return config_error_nonbool(var); - drv->smudge = strdup(value); - return 0; - } + if (!strcmp("smudge", ep)) + return git_config_string(&drv->smudge, var, value); + + if (!strcmp("clean", ep)) + return git_config_string(&drv->clean, var, value); - if (!strcmp("clean", ep)) { - if (!value) - return config_error_nonbool(var); - drv->clean = strdup(value); - return 0; - } return 0; } @@ -385,7 +378,7 @@ static void setup_convert_check(struct git_attr_check *check) attr_ident = git_attr("ident", 5); attr_filter = git_attr("filter", 6); user_convert_tail = &user_convert; - git_config(read_convert_config); + git_config(read_convert_config, NULL); } check[0].attr = attr_crlf; check[1].attr = attr_ident; @@ -576,7 +569,7 @@ int convert_to_git(const char *path, const char *src, size_t len, struct git_attr_check check[3]; int crlf = CRLF_GUESS; int ident = 0, ret = 0; - char *filter = NULL; + const char *filter = NULL; setup_convert_check(check); if (!git_checkattr(path, ARRAY_SIZE(check), check)) { @@ -606,7 +599,7 @@ int convert_to_working_tree(const char *path, const char *src, size_t len, struc struct git_attr_check check[3]; int crlf = CRLF_GUESS; int ident = 0, ret = 0; - char *filter = NULL; + const char *filter = NULL; setup_convert_check(check); if (!git_checkattr(path, ARRAY_SIZE(check), check)) { diff --git a/csum-file.c b/csum-file.c index 9728a99541..ace64f165e 100644 --- a/csum-file.c +++ b/csum-file.c @@ -32,21 +32,24 @@ static void sha1flush(struct sha1file *f, unsigned int count) } } -int sha1close(struct sha1file *f, unsigned char *result, int final) +int sha1close(struct sha1file *f, unsigned char *result, unsigned int flags) { int fd; unsigned offset = f->offset; + if (offset) { SHA1_Update(&f->ctx, f->buffer, offset); sha1flush(f, offset); f->offset = 0; } - if (final) { + if (flags & (CSUM_CLOSE | CSUM_FSYNC)) { /* write checksum and close fd */ SHA1_Final(f->buffer, &f->ctx); if (result) hashcpy(result, f->buffer); sha1flush(f, 20); + if (flags & CSUM_FSYNC) + fsync_or_die(f->fd, f->name); if (close(f->fd)) die("%s: sha1 file error on close (%s)", f->name, strerror(errno)); diff --git a/csum-file.h b/csum-file.h index 1af76562f3..72c9487f4f 100644 --- a/csum-file.h +++ b/csum-file.h @@ -16,9 +16,13 @@ struct sha1file { unsigned char buffer[8192]; }; +/* sha1close flags */ +#define CSUM_CLOSE 1 +#define CSUM_FSYNC 2 + extern struct sha1file *sha1fd(int fd, const char *name); extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp); -extern int sha1close(struct sha1file *, unsigned char *, int); +extern int sha1close(struct sha1file *, unsigned char *, unsigned int); extern int sha1write(struct sha1file *, void *, unsigned int); extern void crc32_begin(struct sha1file *); extern uint32_t crc32_end(struct sha1file *); @@ -306,7 +306,7 @@ struct daemon_service { static struct daemon_service *service_looking_at; static int service_enabled; -static int git_daemon_config(const char *var, const char *value) +static int git_daemon_config(const char *var, const char *value, void *cb) { if (!prefixcmp(var, "daemon.") && !strcmp(var + 7, service_looking_at->config_name)) { @@ -356,7 +356,7 @@ static int run_service(struct interp *itable, struct daemon_service *service) if (service->overridable) { service_looking_at = service; service_enabled = -1; - git_config(git_daemon_config); + git_config(git_daemon_config, NULL); if (0 <= service_enabled) enabled = service_enabled; } @@ -6,7 +6,10 @@ #include "cache.h" -static time_t my_mktime(struct tm *tm) +/* + * This is like mktime, but without normalization of tm_wday and tm_yday. + */ +time_t tm_to_time_t(const struct tm *tm) { static const int mdays[] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 @@ -67,7 +70,7 @@ static int local_tzoffset(unsigned long time) t = time; localtime_r(&t, &tm); - t_local = my_mktime(&tm); + t_local = tm_to_time_t(&tm); if (t_local < t) { eastwest = -1; @@ -322,7 +325,7 @@ static int is_date(int year, int month, int day, struct tm *now_tm, time_t now, if (!now_tm) return 1; - specified = my_mktime(r); + specified = tm_to_time_t(r); /* Be it commit time or author time, it does not make * sense to specify timestamp way into the future. Make @@ -572,7 +575,7 @@ int parse_date(const char *date, char *result, int maxlen) } /* mktime uses local timezone */ - then = my_mktime(&tm); + then = tm_to_time_t(&tm); if (offset == -1) offset = (then - mktime(&tm)) / 60; @@ -611,7 +614,7 @@ void datestamp(char *buf, int bufsize) time(&now); - offset = my_mktime(localtime(&now)) - now; + offset = tm_to_time_t(localtime(&now)) - now; offset /= 60; date_string(now, offset, buf, bufsize); @@ -682,10 +685,8 @@ static void date_am(struct tm *tm, int *num) static void date_never(struct tm *tm, int *num) { - tm->tm_mon = tm->tm_wday = tm->tm_yday - = tm->tm_hour = tm->tm_min = tm->tm_sec = 0; - tm->tm_year = 70; - tm->tm_mday = 1; + time_t n = 0; + localtime_r(&n, tm); } static const struct special { diff --git a/decorate.c b/decorate.c index 23f6b0040f..d9668d2ef9 100644 --- a/decorate.c +++ b/decorate.c @@ -37,10 +37,7 @@ static void grow_decoration(struct decoration *n) { int i; int old_size = n->size; - struct object_decoration *old_hash; - - old_size = n->size; - old_hash = n->hash; + struct object_decoration *old_hash = n->hash; n->size = (old_size + 1000) * 3 / 2; n->hash = xcalloc(n->size, sizeof(struct object_decoration)); diff --git a/diff-lib.c b/diff-lib.c index fe2ccec7e6..b17722d66a 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -8,7 +8,6 @@ #include "diffcore.h" #include "revision.h" #include "cache-tree.h" -#include "path-list.h" #include "unpack-trees.h" #include "refs.h" @@ -16,328 +15,6 @@ * diff-files */ -static int read_directory(const char *path, struct path_list *list) -{ - DIR *dir; - struct dirent *e; - - if (!(dir = opendir(path))) - return error("Could not open directory %s", path); - - while ((e = readdir(dir))) - if (strcmp(".", e->d_name) && strcmp("..", e->d_name)) - path_list_insert(e->d_name, list); - - closedir(dir); - return 0; -} - -static int get_mode(const char *path, int *mode) -{ - struct stat st; - - if (!path || !strcmp(path, "/dev/null")) - *mode = 0; - else if (!strcmp(path, "-")) - *mode = create_ce_mode(0666); - else if (stat(path, &st)) - return error("Could not access '%s'", path); - else - *mode = st.st_mode; - return 0; -} - -static int queue_diff(struct diff_options *o, - const char *name1, const char *name2) -{ - int mode1 = 0, mode2 = 0; - - if (get_mode(name1, &mode1) || get_mode(name2, &mode2)) - return -1; - - if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2)) - return error("file/directory conflict: %s, %s", name1, name2); - - if (S_ISDIR(mode1) || S_ISDIR(mode2)) { - char buffer1[PATH_MAX], buffer2[PATH_MAX]; - struct path_list p1 = {NULL, 0, 0, 1}, p2 = {NULL, 0, 0, 1}; - int len1 = 0, len2 = 0, i1, i2, ret = 0; - - if (name1 && read_directory(name1, &p1)) - return -1; - if (name2 && read_directory(name2, &p2)) { - path_list_clear(&p1, 0); - return -1; - } - - if (name1) { - len1 = strlen(name1); - if (len1 > 0 && name1[len1 - 1] == '/') - len1--; - memcpy(buffer1, name1, len1); - buffer1[len1++] = '/'; - } - - if (name2) { - len2 = strlen(name2); - if (len2 > 0 && name2[len2 - 1] == '/') - len2--; - memcpy(buffer2, name2, len2); - buffer2[len2++] = '/'; - } - - for (i1 = i2 = 0; !ret && (i1 < p1.nr || i2 < p2.nr); ) { - const char *n1, *n2; - int comp; - - if (i1 == p1.nr) - comp = 1; - else if (i2 == p2.nr) - comp = -1; - else - comp = strcmp(p1.items[i1].path, - p2.items[i2].path); - - if (comp > 0) - n1 = NULL; - else { - n1 = buffer1; - strncpy(buffer1 + len1, p1.items[i1++].path, - PATH_MAX - len1); - } - - if (comp < 0) - n2 = NULL; - else { - n2 = buffer2; - strncpy(buffer2 + len2, p2.items[i2++].path, - PATH_MAX - len2); - } - - ret = queue_diff(o, n1, n2); - } - path_list_clear(&p1, 0); - path_list_clear(&p2, 0); - - return ret; - } else { - struct diff_filespec *d1, *d2; - - if (DIFF_OPT_TST(o, REVERSE_DIFF)) { - unsigned tmp; - const char *tmp_c; - tmp = mode1; mode1 = mode2; mode2 = tmp; - tmp_c = name1; name1 = name2; name2 = tmp_c; - } - - if (!name1) - name1 = "/dev/null"; - if (!name2) - name2 = "/dev/null"; - d1 = alloc_filespec(name1); - d2 = alloc_filespec(name2); - fill_filespec(d1, null_sha1, mode1); - fill_filespec(d2, null_sha1, mode2); - - diff_queue(&diff_queued_diff, d1, d2); - return 0; - } -} - -/* - * Does the path name a blob in the working tree, or a directory - * in the working tree? - */ -static int is_in_index(const char *path) -{ - int len, pos; - struct cache_entry *ce; - - len = strlen(path); - while (path[len-1] == '/') - len--; - if (!len) - return 1; /* "." */ - pos = cache_name_pos(path, len); - if (0 <= pos) - return 1; - pos = -1 - pos; - while (pos < active_nr) { - ce = active_cache[pos++]; - if (ce_namelen(ce) <= len || - strncmp(ce->name, path, len) || - (ce->name[len] > '/')) - break; /* path cannot be a prefix */ - if (ce->name[len] == '/') - return 1; - } - return 0; -} - -static int handle_diff_files_args(struct rev_info *revs, - int argc, const char **argv, - unsigned int *options) -{ - *options = 0; - - /* revs->max_count == -2 means --no-index */ - while (1 < argc && argv[1][0] == '-') { - if (!strcmp(argv[1], "--base")) - revs->max_count = 1; - else if (!strcmp(argv[1], "--ours")) - revs->max_count = 2; - else if (!strcmp(argv[1], "--theirs")) - revs->max_count = 3; - else if (!strcmp(argv[1], "-n") || - !strcmp(argv[1], "--no-index")) { - revs->max_count = -2; - DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS); - DIFF_OPT_SET(&revs->diffopt, NO_INDEX); - } - else if (!strcmp(argv[1], "-q")) - *options |= DIFF_SILENT_ON_REMOVED; - else - return error("invalid option: %s", argv[1]); - argv++; argc--; - } - - if (revs->max_count == -1 && revs->diffopt.nr_paths == 2) { - /* - * If two files are specified, and at least one is untracked, - * default to no-index. - */ - read_cache(); - if (!is_in_index(revs->diffopt.paths[0]) || - !is_in_index(revs->diffopt.paths[1])) { - revs->max_count = -2; - DIFF_OPT_SET(&revs->diffopt, NO_INDEX); - } - } - - /* - * Make sure there are NO revision (i.e. pending object) parameter, - * rev.max_count is reasonable (0 <= n <= 3), - * there is no other revision filtering parameters. - */ - if (revs->pending.nr || revs->max_count > 3 || - revs->min_age != -1 || revs->max_age != -1) - return error("no revision allowed with diff-files"); - - if (revs->max_count == -1 && - (revs->diffopt.output_format & DIFF_FORMAT_PATCH)) - revs->combine_merges = revs->dense_combined_merges = 1; - - return 0; -} - -static int is_outside_repo(const char *path, int nongit, const char *prefix) -{ - int i; - if (nongit || !strcmp(path, "-") || is_absolute_path(path)) - return 1; - if (prefixcmp(path, "../")) - return 0; - if (!prefix) - return 1; - for (i = strlen(prefix); !prefixcmp(path, "../"); ) { - while (i > 0 && prefix[i - 1] != '/') - i--; - if (--i < 0) - return 1; - path += 3; - } - return 0; -} - -int setup_diff_no_index(struct rev_info *revs, - int argc, const char ** argv, int nongit, const char *prefix) -{ - int i; - for (i = 1; i < argc; i++) - if (argv[i][0] != '-' || argv[i][1] == '\0') - break; - else if (!strcmp(argv[i], "--")) { - i++; - break; - } else if (i < argc - 3 && !strcmp(argv[i], "--no-index")) { - i = argc - 3; - DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS); - break; - } - if (nongit && argc != i + 2) - die("git diff [--no-index] takes two paths"); - - if (argc != i + 2 || (!is_outside_repo(argv[i + 1], nongit, prefix) && - !is_outside_repo(argv[i], nongit, prefix))) - return -1; - - diff_setup(&revs->diffopt); - for (i = 1; i < argc - 2; ) - if (!strcmp(argv[i], "--no-index")) - i++; - else { - int j = diff_opt_parse(&revs->diffopt, - argv + i, argc - i); - if (!j) - die("invalid diff option/value: %s", argv[i]); - i += j; - } - - if (prefix) { - int len = strlen(prefix); - - revs->diffopt.paths = xcalloc(2, sizeof(char*)); - for (i = 0; i < 2; i++) { - const char *p = argv[argc - 2 + i]; - /* - * stdin should be spelled as '-'; if you have - * path that is '-', spell it as ./-. - */ - p = (strcmp(p, "-") - ? xstrdup(prefix_filename(prefix, len, p)) - : p); - revs->diffopt.paths[i] = p; - } - } - else - revs->diffopt.paths = argv + argc - 2; - revs->diffopt.nr_paths = 2; - DIFF_OPT_SET(&revs->diffopt, NO_INDEX); - revs->max_count = -2; - if (diff_setup_done(&revs->diffopt) < 0) - die("diff_setup_done failed"); - return 0; -} - -int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv) -{ - unsigned int options; - - if (handle_diff_files_args(revs, argc, argv, &options)) - return -1; - - if (DIFF_OPT_TST(&revs->diffopt, NO_INDEX)) { - if (revs->diffopt.nr_paths != 2) - return error("need two files/directories with --no-index"); - if (queue_diff(&revs->diffopt, revs->diffopt.paths[0], - revs->diffopt.paths[1])) - return -1; - diffcore_std(&revs->diffopt); - diff_flush(&revs->diffopt); - /* - * The return code for --no-index imitates diff(1): - * 0 = no changes, 1 = changes, else error - */ - return revs->diffopt.found_changes; - } - - if (read_cache() < 0) { - perror("read_cache"); - return -1; - } - return run_diff_files(revs, options); -} - /* * Has the work tree entity been removed? * diff --git a/diff-no-index.c b/diff-no-index.c new file mode 100644 index 0000000000..f6994cf5fb --- /dev/null +++ b/diff-no-index.c @@ -0,0 +1,263 @@ +/* + * "diff --no-index" support + * Copyright (c) 2007 by Johannes Schindelin + * Copyright (c) 2008 by Junio C Hamano + */ + +#include "cache.h" +#include "color.h" +#include "commit.h" +#include "blob.h" +#include "tag.h" +#include "diff.h" +#include "diffcore.h" +#include "revision.h" +#include "log-tree.h" +#include "builtin.h" +#include "path-list.h" + +static int read_directory(const char *path, struct path_list *list) +{ + DIR *dir; + struct dirent *e; + + if (!(dir = opendir(path))) + return error("Could not open directory %s", path); + + while ((e = readdir(dir))) + if (strcmp(".", e->d_name) && strcmp("..", e->d_name)) + path_list_insert(e->d_name, list); + + closedir(dir); + return 0; +} + +static int get_mode(const char *path, int *mode) +{ + struct stat st; + + if (!path || !strcmp(path, "/dev/null")) + *mode = 0; + else if (!strcmp(path, "-")) + *mode = create_ce_mode(0666); + else if (stat(path, &st)) + return error("Could not access '%s'", path); + else + *mode = st.st_mode; + return 0; +} + +static int queue_diff(struct diff_options *o, + const char *name1, const char *name2) +{ + int mode1 = 0, mode2 = 0; + + if (get_mode(name1, &mode1) || get_mode(name2, &mode2)) + return -1; + + if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2)) + return error("file/directory conflict: %s, %s", name1, name2); + + if (S_ISDIR(mode1) || S_ISDIR(mode2)) { + char buffer1[PATH_MAX], buffer2[PATH_MAX]; + struct path_list p1 = {NULL, 0, 0, 1}, p2 = {NULL, 0, 0, 1}; + int len1 = 0, len2 = 0, i1, i2, ret = 0; + + if (name1 && read_directory(name1, &p1)) + return -1; + if (name2 && read_directory(name2, &p2)) { + path_list_clear(&p1, 0); + return -1; + } + + if (name1) { + len1 = strlen(name1); + if (len1 > 0 && name1[len1 - 1] == '/') + len1--; + memcpy(buffer1, name1, len1); + buffer1[len1++] = '/'; + } + + if (name2) { + len2 = strlen(name2); + if (len2 > 0 && name2[len2 - 1] == '/') + len2--; + memcpy(buffer2, name2, len2); + buffer2[len2++] = '/'; + } + + for (i1 = i2 = 0; !ret && (i1 < p1.nr || i2 < p2.nr); ) { + const char *n1, *n2; + int comp; + + if (i1 == p1.nr) + comp = 1; + else if (i2 == p2.nr) + comp = -1; + else + comp = strcmp(p1.items[i1].path, + p2.items[i2].path); + + if (comp > 0) + n1 = NULL; + else { + n1 = buffer1; + strncpy(buffer1 + len1, p1.items[i1++].path, + PATH_MAX - len1); + } + + if (comp < 0) + n2 = NULL; + else { + n2 = buffer2; + strncpy(buffer2 + len2, p2.items[i2++].path, + PATH_MAX - len2); + } + + ret = queue_diff(o, n1, n2); + } + path_list_clear(&p1, 0); + path_list_clear(&p2, 0); + + return ret; + } else { + struct diff_filespec *d1, *d2; + + if (DIFF_OPT_TST(o, REVERSE_DIFF)) { + unsigned tmp; + const char *tmp_c; + tmp = mode1; mode1 = mode2; mode2 = tmp; + tmp_c = name1; name1 = name2; name2 = tmp_c; + } + + if (!name1) + name1 = "/dev/null"; + if (!name2) + name2 = "/dev/null"; + d1 = alloc_filespec(name1); + d2 = alloc_filespec(name2); + fill_filespec(d1, null_sha1, mode1); + fill_filespec(d2, null_sha1, mode2); + + diff_queue(&diff_queued_diff, d1, d2); + return 0; + } +} + +static int path_outside_repo(const char *path) +{ + /* + * We have already done setup_git_directory_gently() so we + * know we are inside a git work tree already. + */ + const char *work_tree; + size_t len; + + if (!is_absolute_path(path)) + return 0; + work_tree = get_git_work_tree(); + len = strlen(work_tree); + if (strncmp(path, work_tree, len) || + (path[len] != '\0' && path[len] != '/')) + return 1; + return 0; +} + +void diff_no_index(struct rev_info *revs, + int argc, const char **argv, + int nongit, const char *prefix) +{ + int i; + int no_index = 0; + unsigned options = 0; + + /* Were we asked to do --no-index explicitly? */ + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "--")) + return; + if (!strcmp(argv[i], "--no-index")) + no_index = 1; + if (argv[i][0] != '-') + break; + } + + if (!no_index && !nongit) { + /* + * Inside a git repository, without --no-index. Only + * when a path outside the repository is given, + * e.g. "git diff /var/tmp/[12]", or "git diff + * Makefile /var/tmp/Makefile", allow it to be used as + * a colourful "diff" replacement. + */ + if ((argc != i + 2) || + (!path_outside_repo(argv[i]) && + !path_outside_repo(argv[i+1]))) + return; + } + if (argc != i + 2) + die("git diff %s takes two paths", + no_index ? "--no-index" : "[--no-index]"); + + /* + * If the user asked for our exit code then don't start a + * pager or we would end up reporting its exit code instead. + */ + if (!DIFF_OPT_TST(&revs->diffopt, EXIT_WITH_STATUS)) + setup_pager(); + + diff_setup(&revs->diffopt); + if (!revs->diffopt.output_format) + revs->diffopt.output_format = DIFF_FORMAT_PATCH; + for (i = 1; i < argc - 2; ) { + int j; + if (!strcmp(argv[i], "--no-index")) + i++; + else if (!strcmp(argv[1], "-q")) + options |= DIFF_SILENT_ON_REMOVED; + else { + j = diff_opt_parse(&revs->diffopt, argv + i, argc - i); + if (!j) + die("invalid diff option/value: %s", argv[i]); + i += j; + } + } + + if (prefix) { + int len = strlen(prefix); + + revs->diffopt.paths = xcalloc(2, sizeof(char*)); + for (i = 0; i < 2; i++) { + const char *p = argv[argc - 2 + i]; + /* + * stdin should be spelled as '-'; if you have + * path that is '-', spell it as ./-. + */ + p = (strcmp(p, "-") + ? xstrdup(prefix_filename(prefix, len, p)) + : p); + revs->diffopt.paths[i] = p; + } + } + else + revs->diffopt.paths = argv + argc - 2; + revs->diffopt.nr_paths = 2; + + DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS); + DIFF_OPT_SET(&revs->diffopt, NO_INDEX); + + revs->max_count = -2; + if (diff_setup_done(&revs->diffopt) < 0) + die("diff_setup_done failed"); + + if (queue_diff(&revs->diffopt, revs->diffopt.paths[0], + revs->diffopt.paths[1])) + exit(1); + diffcore_std(&revs->diffopt); + diff_flush(&revs->diffopt); + + /* + * The return code for --no-index imitates diff(1): + * 0 = no changes, 1 = changes, else error + */ + exit(revs->diffopt.found_changes); +} @@ -129,7 +129,7 @@ static int parse_funcname_pattern(const char *var, const char *ep, const char *v * never be affected by the setting of diff.renames * the user happens to have in the configuration file. */ -int git_diff_ui_config(const char *var, const char *value) +int git_diff_ui_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "diff.renamelimit")) { diff_rename_limit_default = git_config_int(var, value); @@ -153,12 +153,8 @@ int git_diff_ui_config(const char *var, const char *value) diff_auto_refresh_index = git_config_bool(var, value); return 0; } - if (!strcmp(var, "diff.external")) { - if (!value) - return config_error_nonbool(var); - external_diff_cmd_cfg = xstrdup(value); - return 0; - } + if (!strcmp(var, "diff.external")) + return git_config_string(&external_diff_cmd_cfg, var, value); if (!prefixcmp(var, "diff.")) { const char *ep = strrchr(var, '.'); @@ -166,10 +162,10 @@ int git_diff_ui_config(const char *var, const char *value) return parse_lldiff_command(var, ep, value); } - return git_diff_basic_config(var, value); + return git_diff_basic_config(var, value, cb); } -int git_diff_basic_config(const char *var, const char *value) +int git_diff_basic_config(const char *var, const char *value, void *cb) { if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) { int slot = parse_diff_color_slot(var, 11); @@ -190,7 +186,7 @@ int git_diff_basic_config(const char *var, const char *value) } } - return git_color_default_config(var, value); + return git_color_default_config(var, value, cb); } static char *quote_two(const char *one, const char *two) @@ -514,9 +510,15 @@ const char *diff_get_color(int diff_use_color, enum color_diff ix) static void emit_line(FILE *file, const char *set, const char *reset, const char *line, int len) { + int has_trailing_newline = (len > 0 && line[len-1] == '\n'); + if (has_trailing_newline) + len--; + fputs(set, file); fwrite(line, len, 1, file); fputs(reset, file); + if (has_trailing_newline) + fputc('\n', file); } static void emit_add_line(const char *reset, struct emit_callback *ecbdata, const char *line, int len) @@ -529,9 +531,9 @@ static void emit_add_line(const char *reset, struct emit_callback *ecbdata, cons else { /* Emit just the prefix, then the rest. */ emit_line(ecbdata->file, set, reset, line, ecbdata->nparents); - (void)check_and_emit_line(line + ecbdata->nparents, - len - ecbdata->nparents, ecbdata->ws_rule, - ecbdata->file, set, reset, ws); + ws_check_emit(line + ecbdata->nparents, + len - ecbdata->nparents, ecbdata->ws_rule, + ecbdata->file, set, reset, ws); } } @@ -824,12 +826,12 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options) /* Sanity: give at least 5 columns to the graph, * but leave at least 10 columns for the name. */ - if (width < name_width + 15) { - if (name_width <= 25) - width = name_width + 15; - else - name_width = width - 15; - } + if (width < 25) + width = 25; + if (name_width < 10) + name_width = 10; + else if (width < name_width + 15) + name_width = width - 15; /* Find the longest filename and max number of changes */ reset = diff_get_color_opt(options, DIFF_RESET); @@ -922,7 +924,8 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options) total = add + del; } show_name(options->file, prefix, name, len, reset, set); - fprintf(options->file, "%5d ", added + deleted); + fprintf(options->file, "%5d%s", added + deleted, + added + deleted ? " " : ""); show_graph(options->file, '+', add, add_c, reset); show_graph(options->file, '-', del, del_c, reset); fprintf(options->file, "\n"); @@ -1129,40 +1132,85 @@ static void free_diffstat_info(struct diffstat_t *diffstat) struct checkdiff_t { struct xdiff_emit_state xm; const char *filename; - int lineno, color_diff; + int lineno; + struct diff_options *o; unsigned ws_rule; unsigned status; - FILE *file; + int trailing_blanks_start; }; +static int is_conflict_marker(const char *line, unsigned long len) +{ + char firstchar; + int cnt; + + if (len < 8) + return 0; + firstchar = line[0]; + switch (firstchar) { + case '=': case '>': case '<': + break; + default: + return 0; + } + for (cnt = 1; cnt < 7; cnt++) + if (line[cnt] != firstchar) + return 0; + /* line[0] thru line[6] are same as firstchar */ + if (firstchar == '=') { + /* divider between ours and theirs? */ + if (len != 8 || line[7] != '\n') + return 0; + } else if (len < 8 || !isspace(line[7])) { + /* not divider before ours nor after theirs */ + return 0; + } + return 1; +} + static void checkdiff_consume(void *priv, char *line, unsigned long len) { struct checkdiff_t *data = priv; - const char *ws = diff_get_color(data->color_diff, DIFF_WHITESPACE); - const char *reset = diff_get_color(data->color_diff, DIFF_RESET); - const char *set = diff_get_color(data->color_diff, DIFF_FILE_NEW); + int color_diff = DIFF_OPT_TST(data->o, COLOR_DIFF); + const char *ws = diff_get_color(color_diff, DIFF_WHITESPACE); + const char *reset = diff_get_color(color_diff, DIFF_RESET); + const char *set = diff_get_color(color_diff, DIFF_FILE_NEW); char *err; if (line[0] == '+') { + unsigned bad; data->lineno++; - data->status = check_and_emit_line(line + 1, len - 1, - data->ws_rule, NULL, NULL, NULL, NULL); - if (!data->status) + if (!ws_blank_line(line + 1, len - 1, data->ws_rule)) + data->trailing_blanks_start = 0; + else if (!data->trailing_blanks_start) + data->trailing_blanks_start = data->lineno; + if (is_conflict_marker(line + 1, len - 1)) { + data->status |= 1; + fprintf(data->o->file, + "%s:%d: leftover conflict marker\n", + data->filename, data->lineno); + } + bad = ws_check(line + 1, len - 1, data->ws_rule); + if (!bad) return; - err = whitespace_error_string(data->status); - fprintf(data->file, "%s:%d: %s.\n", data->filename, data->lineno, err); + data->status |= bad; + err = whitespace_error_string(bad); + fprintf(data->o->file, "%s:%d: %s.\n", + data->filename, data->lineno, err); free(err); - emit_line(data->file, set, reset, line, 1); - (void)check_and_emit_line(line + 1, len - 1, data->ws_rule, - data->file, set, reset, ws); - } else if (line[0] == ' ') + emit_line(data->o->file, set, reset, line, 1); + ws_check_emit(line + 1, len - 1, data->ws_rule, + data->o->file, set, reset, ws); + } else if (line[0] == ' ') { data->lineno++; - else if (line[0] == '@') { + data->trailing_blanks_start = 0; + } else if (line[0] == '@') { char *plus = strchr(line, '+'); if (plus) data->lineno = strtol(plus, NULL, 10) - 1; else die("invalid diff"); + data->trailing_blanks_start = 0; } } @@ -1535,8 +1583,9 @@ static void builtin_diffstat(const char *name_a, const char *name_b, static void builtin_checkdiff(const char *name_a, const char *name_b, const char *attr_path, - struct diff_filespec *one, - struct diff_filespec *two, struct diff_options *o) + struct diff_filespec *one, + struct diff_filespec *two, + struct diff_options *o) { mmfile_t mf1, mf2; struct checkdiff_t data; @@ -1548,13 +1597,18 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, data.xm.consume = checkdiff_consume; data.filename = name_b ? name_b : name_a; data.lineno = 0; - data.color_diff = DIFF_OPT_TST(o, COLOR_DIFF); + data.o = o; data.ws_rule = whitespace_rule(attr_path); - data.file = o->file; if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) die("unable to read files to diff"); + /* + * All the other codepaths check both sides, but not checking + * the "old" side here is deliberate. We are checking the newly + * introduced changes, and as long as the "new" side is text, we + * can and should check what it introduces. + */ if (diff_filespec_is_binary(two)) goto free_and_return; else { @@ -1568,6 +1622,12 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, ecb.outf = xdiff_outf; ecb.priv = &data; xdi_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); + + if (data.trailing_blanks_start) { + fprintf(o->file, "%s:%d: ends with blank lines.\n", + data.filename, data.trailing_blanks_start); + data.status = 1; /* report errors */ + } } free_and_return: diff_free_filespec_data(one); @@ -2496,6 +2556,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) DIFF_OPT_SET(options, ALLOW_EXTERNAL); else if (!strcmp(arg, "--no-ext-diff")) DIFF_OPT_CLR(options, ALLOW_EXTERNAL); + else if (!strcmp(arg, "--ignore-submodules")) + DIFF_OPT_SET(options, IGNORE_SUBMODULES); /* misc options */ else if (!strcmp(arg, "-z")) @@ -3355,6 +3417,9 @@ void diff_addremove(struct diff_options *options, char concatpath[PATH_MAX]; struct diff_filespec *one, *two; + if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode)) + return; + /* This may look odd, but it is a preparation for * feeding "there are unchanged files which should * not produce diffs, but when you are doing copy @@ -3399,6 +3464,10 @@ void diff_change(struct diff_options *options, char concatpath[PATH_MAX]; struct diff_filespec *one, *two; + if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode) + && S_ISGITLINK(new_mode)) + return; + if (DIFF_OPT_TST(options, REVERSE_DIFF)) { unsigned tmp; const unsigned char *tmp_c; @@ -63,6 +63,7 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, #define DIFF_OPT_REVERSE_DIFF (1 << 15) #define DIFF_OPT_CHECK_FAILED (1 << 16) #define DIFF_OPT_RELATIVE_NAME (1 << 17) +#define DIFF_OPT_IGNORE_SUBMODULES (1 << 18) #define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag) #define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag) #define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag) @@ -181,8 +182,8 @@ extern void diff_unmerge(struct diff_options *, #define DIFF_SETUP_USE_CACHE 2 #define DIFF_SETUP_USE_SIZE_CACHE 4 -extern int git_diff_basic_config(const char *var, const char *value); -extern int git_diff_ui_config(const char *var, const char *value); +extern int git_diff_basic_config(const char *var, const char *value, void *cb); +extern int git_diff_ui_config(const char *var, const char *value, void *cb); extern int diff_use_color_default; extern void diff_setup(struct diff_options *); extern int diff_opt_parse(struct diff_options *, const char **, int); @@ -250,10 +251,6 @@ extern const char *diff_unique_abbrev(const unsigned char *, int); /* report racily-clean paths as modified */ #define DIFF_RACY_IS_MODIFIED 02 extern int run_diff_files(struct rev_info *revs, unsigned int option); -extern int setup_diff_no_index(struct rev_info *revs, - int argc, const char ** argv, int nongit, const char *prefix); -extern int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv); - extern int run_diff_index(struct rev_info *revs, int cached); extern int do_diff_cache(const unsigned char *, struct diff_options *); @@ -261,4 +258,6 @@ extern int diff_flush_patch_id(struct diff_options *, unsigned char *); extern int diff_result_code(struct diff_options *, int); +extern void diff_no_index(struct rev_info *, int, const char **, int, const char *); + #endif /* DIFF_H */ diff --git a/environment.c b/environment.c index 4fcb471248..4a88a17d54 100644 --- a/environment.c +++ b/environment.c @@ -13,7 +13,6 @@ char git_default_email[MAX_GITNAME]; char git_default_name[MAX_GITNAME]; int user_ident_explicitly_given; int trust_executable_bit = 1; -int quote_path_fully = 1; int has_symlinks = 1; int ignore_case; int assume_unchanged; @@ -29,6 +28,7 @@ const char *apply_default_whitespace; int zlib_compression_level = Z_BEST_SPEED; int core_compression_level; int core_compression_seen; +int fsync_object_files; size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; size_t delta_base_cache_limit = 16 * 1024 * 1024; @@ -44,7 +44,7 @@ enum rebase_setup_type autorebase = AUTOREBASE_NEVER; /* This is set by setup_git_dir_gently() and/or git_default_config() */ char *git_work_tree_cfg; -static const char *work_tree; +static char *work_tree; static const char *git_dir; static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file; @@ -86,10 +86,26 @@ const char *get_git_dir(void) return git_dir; } +static int git_work_tree_initialized; + +/* + * Note. This works only before you used a work tree. This was added + * primarily to support git-clone to work in a new repository it just + * created, and is not meant to flip between different work trees. + */ +void set_git_work_tree(const char *new_work_tree) +{ + if (is_bare_repository_cfg >= 0) + die("cannot set work tree after initialization"); + git_work_tree_initialized = 1; + free(work_tree); + work_tree = xstrdup(make_absolute_path(new_work_tree)); + is_bare_repository_cfg = 0; +} + const char *get_git_work_tree(void) { - static int initialized = 0; - if (!initialized) { + if (!git_work_tree_initialized) { work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT); /* core.bare = true overrides implicit and config work tree */ if (!work_tree && is_bare_repository_cfg < 1) { @@ -99,7 +115,7 @@ const char *get_git_work_tree(void) work_tree = xstrdup(make_absolute_path(git_path(work_tree))); } else if (work_tree) work_tree = xstrdup(make_absolute_path(work_tree)); - initialized = 1; + git_work_tree_initialized = 1; if (work_tree) is_bare_repository_cfg = 0; } @@ -113,13 +129,6 @@ char *get_object_directory(void) return git_object_dir; } -char *get_refs_directory(void) -{ - if (!git_refs_dir) - setup_git_env(); - return git_refs_dir; -} - char *get_index_file(void) { if (!git_index_file) diff --git a/exec_cmd.c b/exec_cmd.c index e189caca62..da04efe951 100644 --- a/exec_cmd.c +++ b/exec_cmd.c @@ -4,9 +4,42 @@ #define MAX_ARGS 32 extern char **environ; -static const char *builtin_exec_path = GIT_EXEC_PATH; static const char *argv_exec_path; +static const char *builtin_exec_path(void) +{ +#ifndef __MINGW32__ + return GIT_EXEC_PATH; +#else + int len; + char *p, *q, *sl; + static char *ep; + if (ep) + return ep; + + len = strlen(_pgmptr); + if (len < 2) + return ep = "."; + + p = ep = xmalloc(len+1); + q = _pgmptr; + sl = NULL; + /* copy program name, turn '\\' into '/', skip last part */ + while ((*p = *q)) { + if (*q == '\\' || *q == '/') { + *p = '/'; + sl = p; + } + p++, q++; + } + if (sl) + *sl = '\0'; + else + ep[0] = '.', ep[1] = '\0'; + return ep; +#endif +} + void git_set_argv_exec_path(const char *exec_path) { argv_exec_path = exec_path; @@ -26,7 +59,7 @@ const char *git_exec_path(void) return env; } - return builtin_exec_path; + return builtin_exec_path(); } static void add_path(struct strbuf *out, const char *path) @@ -37,7 +70,7 @@ static void add_path(struct strbuf *out, const char *path) else strbuf_addstr(out, make_absolute_path(path)); - strbuf_addch(out, ':'); + strbuf_addch(out, PATH_SEP); } } @@ -50,7 +83,7 @@ void setup_path(const char *cmd_path) add_path(&new_path, argv_exec_path); add_path(&new_path, getenv(EXEC_PATH_ENVIRONMENT)); - add_path(&new_path, builtin_exec_path); + add_path(&new_path, builtin_exec_path()); add_path(&new_path, cmd_path); if (old_path) @@ -65,32 +98,25 @@ void setup_path(const char *cmd_path) int execv_git_cmd(const char **argv) { - struct strbuf cmd; - const char *tmp; - - strbuf_init(&cmd, 0); - strbuf_addf(&cmd, "git-%s", argv[0]); + int argc; + const char **nargv; - /* - * argv[0] must be the git command, but the argv array - * belongs to the caller, and may be reused in - * subsequent loop iterations. Save argv[0] and - * restore it on error. - */ - tmp = argv[0]; - argv[0] = cmd.buf; + for (argc = 0; argv[argc]; argc++) + ; /* just counting */ + nargv = xmalloc(sizeof(*nargv) * (argc + 2)); - trace_argv_printf(argv, "trace: exec:"); + nargv[0] = "git"; + for (argc = 0; argv[argc]; argc++) + nargv[argc + 1] = argv[argc]; + nargv[argc + 1] = NULL; + trace_argv_printf(nargv, "trace: exec:"); /* execvp() can only ever return if it fails */ - execvp(cmd.buf, (char **)argv); + execvp("git", (char **)nargv); trace_printf("trace: exec failed: %s\n", strerror(errno)); - argv[0] = tmp; - - strbuf_release(&cmd); - + free(nargv); return -1; } diff --git a/fast-import.c b/fast-import.c index caea684338..e72b286794 100644 --- a/fast-import.c +++ b/fast-import.c @@ -890,7 +890,7 @@ static char *create_index(void) SHA1_Update(&ctx, (*c)->sha1, 20); } sha1write(f, pack_data->sha1, sizeof(pack_data->sha1)); - sha1close(f, NULL, 1); + sha1close(f, NULL, CSUM_FSYNC); free(idx); SHA1_Final(pack_data->sha1, &ctx); return tmpfile; @@ -2352,7 +2352,7 @@ static void import_marks(const char *input_file) fclose(f); } -static int git_pack_config(const char *k, const char *v) +static int git_pack_config(const char *k, const char *v, void *cb) { if (!strcmp(k, "pack.depth")) { max_depth = git_config_int(k, v); @@ -2370,7 +2370,7 @@ static int git_pack_config(const char *k, const char *v) pack_compression_seen = 1; return 0; } - return git_default_config(k, v); + return git_default_config(k, v, cb); } static const char fast_import_usage[] = @@ -2381,7 +2381,7 @@ int main(int argc, const char **argv) unsigned int i, show_stats = 1; setup_git_directory(); - git_config(git_pack_config); + git_config(git_pack_config, NULL); if (!pack_compression_seen && core_compression_seen) pack_compression_level = core_compression_level; @@ -11,7 +11,7 @@ git-am [options] --skip -- d,dotest= (removed -- do not use) i,interactive run interactively -b,binary pass --allo-binary-replacement to git-apply +b,binary pass --allow-binary-replacement to git-apply 3,3way allow fall back on 3way merging if needed s,signoff add a Signed-off-by line to the commit message u,utf8 recode into utf8 (default) @@ -421,7 +421,7 @@ do else action=yes fi - FIRSTLINE=$(head -1 "$dotest/final-commit") + FIRSTLINE=$(sed 1q "$dotest/final-commit") if test $action = skip then diff --git a/git-bisect.sh b/git-bisect.sh index 164e8ed81f..991b2ef37e 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -44,7 +44,7 @@ sq() { } bisect_autostart() { - test -f "$GIT_DIR/BISECT_NAMES" || { + test -s "$GIT_DIR/BISECT_START" || { echo >&2 'You need to start by "git bisect start"' if test -t 0 then @@ -63,42 +63,42 @@ bisect_autostart() { bisect_start() { # - # Verify HEAD. If we were bisecting before this, reset to the - # top-of-line master first! + # Verify HEAD. # head=$(GIT_DIR="$GIT_DIR" git symbolic-ref -q HEAD) || head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) || die "Bad HEAD - I need a HEAD" + # - # Check that we either already have BISECT_START, or that the - # branches bisect, new-bisect don't exist, to not override them. + # Check if we are bisecting. # - test -s "$GIT_DIR/BISECT_START" || - if git show-ref --verify -q refs/heads/bisect || - git show-ref --verify -q refs/heads/new-bisect; then - die 'The branches "bisect" and "new-bisect" must not exist.' - fi start_head='' - case "$head" in - refs/heads/bisect) - branch=`cat "$GIT_DIR/BISECT_START"` - git checkout $branch || exit - ;; - refs/heads/*|$_x40) - # This error message should only be triggered by cogito usage, - # and cogito users should understand it relates to cg-seek. - [ -s "$GIT_DIR/head-name" ] && die "won't bisect on seeked tree" - start_head="${head#refs/heads/}" - ;; - *) - die "Bad HEAD - strange symbolic ref" - ;; - esac + if test -s "$GIT_DIR/BISECT_START" + then + # Reset to the rev from where we started. + start_head=$(cat "$GIT_DIR/BISECT_START") + git checkout "$start_head" || exit + else + # Get rev from where we start. + case "$head" in + refs/heads/*|$_x40) + # This error message should only be triggered by + # cogito usage, and cogito users should understand + # it relates to cg-seek. + [ -s "$GIT_DIR/head-name" ] && + die "won't bisect on seeked tree" + start_head="${head#refs/heads/}" + ;; + *) + die "Bad HEAD - strange symbolic ref" + ;; + esac + fi # - # Get rid of any old bisect state + # Get rid of any old bisect state. # - bisect_clean_state + bisect_clean_state || exit # # Check for one bad and then some good revisions. @@ -118,7 +118,7 @@ bisect_start() { break ;; *) - rev=$(git rev-parse --verify "$arg^{commit}" 2>/dev/null) || { + rev=$(git rev-parse -q --verify "$arg^{commit}") || { test $has_double_dash -eq 1 && die "'$arg' does not appear to be a valid revision" break @@ -133,11 +133,29 @@ bisect_start() { esac done - sq "$@" >"$GIT_DIR/BISECT_NAMES" - test -n "$start_head" && echo "$start_head" >"$GIT_DIR/BISECT_START" - eval "$eval" - echo "git-bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" + # + # Change state. + # In case of mistaken revs or checkout error, or signals received, + # "bisect_auto_next" below may exit or misbehave. + # We have to trap this to be able to clean up using + # "bisect_clean_state". + # + trap 'bisect_clean_state' 0 + trap 'exit 255' 1 2 3 15 + + # + # Write new start state. + # + echo "$start_head" >"$GIT_DIR/BISECT_START" && + sq "$@" >"$GIT_DIR/BISECT_NAMES" && + eval "$eval" && + echo "git-bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit + # + # Check if we can proceed to the next bisect state. + # bisect_auto_next + + trap '-' 0 } bisect_write() { @@ -149,9 +167,9 @@ bisect_write() { good|skip) tag="$state"-"$rev" ;; *) die "Bad bisect_write argument: $state" ;; esac - git update-ref "refs/bisect/$tag" "$rev" + git update-ref "refs/bisect/$tag" "$rev" || exit echo "# $state: $(git show-branch $rev)" >>"$GIT_DIR/BISECT_LOG" - test -z "$nolog" && echo "git-bisect $state $rev" >>"$GIT_DIR/BISECT_LOG" + test -n "$nolog" || echo "git-bisect $state $rev" >>"$GIT_DIR/BISECT_LOG" } bisect_state() { @@ -208,7 +226,7 @@ bisect_next_check() { ;; *) THEN='' - test -f "$GIT_DIR/BISECT_NAMES" || { + test -s "$GIT_DIR/BISECT_START" || { echo >&2 'You need to start by "git bisect start".' THEN='then ' } @@ -348,9 +366,7 @@ bisect_next() { exit_if_skipped_commits "$bisect_rev" echo "Bisecting: $bisect_nr revisions left to test after this" - git branch -D new-bisect 2> /dev/null - git checkout -q -b new-bisect "$bisect_rev" || exit - git branch -M new-bisect bisect + git checkout -q "$bisect_rev" || exit git show-branch "$bisect_rev" } @@ -376,40 +392,35 @@ bisect_visualize() { } bisect_reset() { - test -f "$GIT_DIR/BISECT_NAMES" || { + test -s "$GIT_DIR/BISECT_START" || { echo "We are not bisecting." return } case "$#" in - 0) if [ -s "$GIT_DIR/BISECT_START" ]; then - branch=`cat "$GIT_DIR/BISECT_START"` - else - branch=master - fi ;; + 0) branch=$(cat "$GIT_DIR/BISECT_START") ;; 1) git show-ref --verify --quiet -- "refs/heads/$1" || die "$1 does not seem to be a valid branch" branch="$1" ;; *) usage ;; esac - if git checkout "$branch"; then - # Cleanup head-name if it got left by an old version of git-bisect - rm -f "$GIT_DIR/head-name" - rm -f "$GIT_DIR/BISECT_START" - bisect_clean_state - fi + git checkout "$branch" && bisect_clean_state } bisect_clean_state() { # There may be some refs packed during bisection. - git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* refs/heads/bisect | + git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* | while read ref hash do - git update-ref -d $ref $hash + git update-ref -d $ref $hash || exit done - rm -f "$GIT_DIR/BISECT_LOG" - rm -f "$GIT_DIR/BISECT_NAMES" - rm -f "$GIT_DIR/BISECT_RUN" + rm -f "$GIT_DIR/BISECT_LOG" && + rm -f "$GIT_DIR/BISECT_NAMES" && + rm -f "$GIT_DIR/BISECT_RUN" && + # Cleanup head-name if it got left by an old version of git-bisect + rm -f "$GIT_DIR/head-name" && + + rm -f "$GIT_DIR/BISECT_START" } bisect_replay () { diff --git a/git-compat-util.h b/git-compat-util.h index 01c4045e89..545df59242 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -39,7 +39,7 @@ /* Approximation of the length of the decimal representation of this type. */ #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) -#if !defined(__APPLE__) && !defined(__FreeBSD__) +#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && !defined(_M_UNIX) #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */ #endif @@ -63,17 +63,18 @@ #include <sys/time.h> #include <time.h> #include <signal.h> -#include <sys/wait.h> #include <fnmatch.h> +#include <assert.h> +#include <regex.h> +#include <utime.h> +#ifndef __MINGW32__ +#include <sys/wait.h> #include <sys/poll.h> #include <sys/socket.h> #include <sys/ioctl.h> -#include <utime.h> #ifndef NO_SYS_SELECT_H #include <sys/select.h> #endif -#include <assert.h> -#include <regex.h> #include <netinet/in.h> #include <netinet/tcp.h> #include <arpa/inet.h> @@ -89,6 +90,10 @@ #include <grp.h> #define _ALL_SOURCE 1 #endif +#else /* __MINGW32__ */ +/* pull in Windows compatibility stuff */ +#include "compat/mingw.h" +#endif /* __MINGW32__ */ #ifndef NO_ICONV #include <iconv.h> @@ -105,6 +110,22 @@ #define PRIuMAX "llu" #endif +#ifndef PATH_SEP +#define PATH_SEP ':' +#endif + +#ifndef STRIP_EXTENSION +#define STRIP_EXTENSION "" +#endif + +#ifndef has_dos_drive_prefix +#define has_dos_drive_prefix(path) 0 +#endif + +#ifndef is_dir_sep +#define is_dir_sep(c) ((c) == '/') +#endif + #ifdef __GNUC__ #define NORETURN __attribute__((__noreturn__)) #else @@ -126,6 +147,7 @@ extern void set_error_routine(void (*routine)(const char *err, va_list params)); extern void set_warn_routine(void (*routine)(const char *warn, va_list params)); extern int prefixcmp(const char *str, const char *prefix); +extern time_t tm_to_time_t(const struct tm *tm); #ifdef NO_MMAP @@ -163,6 +185,12 @@ extern int git_munmap(void *start, size_t length); #define pread git_pread extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset); #endif +/* + * Forward decl that will remind us if its twin in cache.h changes. + * This function is used in compat/pread.c. But we can't include + * cache.h there. + */ +extern ssize_t read_in_full(int fd, void *buf, size_t count); #ifdef NO_SETENV #define setenv gitsetenv @@ -240,161 +268,18 @@ static inline char *gitstrchrnul(const char *s, int c) extern void release_pack_memory(size_t, int); -static inline char* xstrdup(const char *str) -{ - char *ret = strdup(str); - if (!ret) { - release_pack_memory(strlen(str) + 1, -1); - ret = strdup(str); - if (!ret) - die("Out of memory, strdup failed"); - } - return ret; -} - -static inline void *xmalloc(size_t size) -{ - void *ret = malloc(size); - if (!ret && !size) - ret = malloc(1); - if (!ret) { - release_pack_memory(size, -1); - ret = malloc(size); - if (!ret && !size) - ret = malloc(1); - if (!ret) - die("Out of memory, malloc failed"); - } -#ifdef XMALLOC_POISON - memset(ret, 0xA5, size); -#endif - return ret; -} - -/* - * xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of - * "data" to the allocated memory, zero terminates the allocated memory, - * and returns a pointer to the allocated memory. If the allocation fails, - * the program dies. - */ -static inline void *xmemdupz(const void *data, size_t len) -{ - char *p = xmalloc(len + 1); - memcpy(p, data, len); - p[len] = '\0'; - return p; -} - -static inline char *xstrndup(const char *str, size_t len) -{ - char *p = memchr(str, '\0', len); - return xmemdupz(str, p ? p - str : len); -} - -static inline void *xrealloc(void *ptr, size_t size) -{ - void *ret = realloc(ptr, size); - if (!ret && !size) - ret = realloc(ptr, 1); - if (!ret) { - release_pack_memory(size, -1); - ret = realloc(ptr, size); - if (!ret && !size) - ret = realloc(ptr, 1); - if (!ret) - die("Out of memory, realloc failed"); - } - return ret; -} - -static inline void *xcalloc(size_t nmemb, size_t size) -{ - void *ret = calloc(nmemb, size); - if (!ret && (!nmemb || !size)) - ret = calloc(1, 1); - if (!ret) { - release_pack_memory(nmemb * size, -1); - ret = calloc(nmemb, size); - if (!ret && (!nmemb || !size)) - ret = calloc(1, 1); - if (!ret) - die("Out of memory, calloc failed"); - } - return ret; -} - -static inline void *xmmap(void *start, size_t length, - int prot, int flags, int fd, off_t offset) -{ - void *ret = mmap(start, length, prot, flags, fd, offset); - if (ret == MAP_FAILED) { - if (!length) - return NULL; - release_pack_memory(length, fd); - ret = mmap(start, length, prot, flags, fd, offset); - if (ret == MAP_FAILED) - die("Out of memory? mmap failed: %s", strerror(errno)); - } - return ret; -} - -/* - * xread() is the same a read(), but it automatically restarts read() - * operations with a recoverable error (EAGAIN and EINTR). xread() - * DOES NOT GUARANTEE that "len" bytes is read even if the data is available. - */ -static inline ssize_t xread(int fd, void *buf, size_t len) -{ - ssize_t nr; - while (1) { - nr = read(fd, buf, len); - if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) - continue; - return nr; - } -} - -/* - * xwrite() is the same a write(), but it automatically restarts write() - * operations with a recoverable error (EAGAIN and EINTR). xwrite() DOES NOT - * GUARANTEE that "len" bytes is written even if the operation is successful. - */ -static inline ssize_t xwrite(int fd, const void *buf, size_t len) -{ - ssize_t nr; - while (1) { - nr = write(fd, buf, len); - if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) - continue; - return nr; - } -} - -static inline int xdup(int fd) -{ - int ret = dup(fd); - if (ret < 0) - die("dup failed: %s", strerror(errno)); - return ret; -} - -static inline FILE *xfdopen(int fd, const char *mode) -{ - FILE *stream = fdopen(fd, mode); - if (stream == NULL) - die("Out of memory? fdopen failed: %s", strerror(errno)); - return stream; -} - -static inline int xmkstemp(char *template) -{ - int fd; - - fd = mkstemp(template); - if (fd < 0) - die("Unable to create temporary file: %s", strerror(errno)); - return fd; -} +extern char *xstrdup(const char *str); +extern void *xmalloc(size_t size); +extern void *xmemdupz(const void *data, size_t len); +extern char *xstrndup(const char *str, size_t len); +extern void *xrealloc(void *ptr, size_t size); +extern void *xcalloc(size_t nmemb, size_t size); +extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); +extern ssize_t xread(int fd, void *buf, size_t len); +extern ssize_t xwrite(int fd, const void *buf, size_t len); +extern int xdup(int fd); +extern FILE *xfdopen(int fd, const char *mode); +extern int xmkstemp(char *template); static inline size_t xsize_t(off_t len) { diff --git a/git-cvsexportcommit.perl b/git-cvsexportcommit.perl index b6036bd4d3..c6c70e9eba 100755 --- a/git-cvsexportcommit.perl +++ b/git-cvsexportcommit.perl @@ -6,16 +6,21 @@ use File::Temp qw(tempdir); use Data::Dumper; use File::Basename qw(basename dirname); use File::Spec; +use Git; -our ($opt_h, $opt_P, $opt_p, $opt_v, $opt_c, $opt_f, $opt_a, $opt_m, $opt_d, $opt_u, $opt_w); +our ($opt_h, $opt_P, $opt_p, $opt_v, $opt_c, $opt_f, $opt_a, $opt_m, $opt_d, $opt_u, $opt_w, $opt_W); -getopts('uhPpvcfam:d:w:'); +getopts('uhPpvcfam:d:w:W'); $opt_h && usage(); die "Need at least one commit identifier!" unless @ARGV; -if ($opt_w) { +# Get git-config settings +my $repo = Git->repository(); +$opt_w = $repo->config('cvsexportcommit.cvsdir') unless defined $opt_w; + +if ($opt_w || $opt_W) { # Remember where GIT_DIR is before changing to CVS checkout unless ($ENV{GIT_DIR}) { # No GIT_DIR set. Figure it out for ourselves @@ -25,7 +30,9 @@ if ($opt_w) { } # Make sure GIT_DIR is absolute $ENV{GIT_DIR} = File::Spec->rel2abs($ENV{GIT_DIR}); +} +if ($opt_w) { if (! -d $opt_w."/CVS" ) { die "$opt_w is not a CVS checkout"; } @@ -116,6 +123,15 @@ if ($parent) { } } +my $go_back_to = 0; + +if ($opt_W) { + $opt_v && print "Resetting to $parent\n"; + $go_back_to = `git symbolic-ref HEAD 2> /dev/null || + git rev-parse HEAD` || die "Could not determine current branch"; + system("git checkout -q $parent^0") && die "Could not check out $parent^0"; +} + $opt_v && print "Applying to CVS commit $commit from parent $parent\n"; # grab the commit message @@ -210,7 +226,8 @@ if (@canstatusfiles) { my $basename = basename($name); $basename = "no file " . $basename if (exists($added{$basename})); - chomp($basename); + $basename =~ s/^\s+//; + $basename =~ s/\s+$//; if (!exists($fullname{$basename})) { $fullname{$basename} = $name; @@ -259,7 +276,11 @@ if ($dirty) { } print "Applying\n"; -`GIT_DIR= git-apply $context --summary --numstat --apply <.cvsexportcommit.diff` || die "cannot patch"; +if ($opt_W) { + system("git checkout -q $commit^0") && die "cannot patch"; +} else { + `GIT_DIR= git-apply $context --summary --numstat --apply <.cvsexportcommit.diff` || die "cannot patch"; +} print "Patch applied successfully. Adding new files and directories to CVS\n"; my $dirtypatch = 0; @@ -312,7 +333,9 @@ if ($dirtypatch) { print "using a patch program. After applying the patch and resolving the\n"; print "problems you may commit using:"; print "\n cd \"$opt_w\"" if $opt_w; - print "\n $cmd\n\n"; + print "\n $cmd\n"; + print "\n git checkout $go_back_to\n" if $go_back_to; + print "\n"; exit(1); } @@ -332,6 +355,14 @@ if ($opt_c) { # clean up unlink(".cvsexportcommit.diff"); +if ($opt_W) { + system("git checkout $go_back_to") && die "cannot move back to $go_back_to"; + if (!($go_back_to =~ /^[0-9a-fA-F]{40}$/)) { + system("git symbolic-ref HEAD $go_back_to") && + die "cannot move back to $go_back_to"; + } +} + # CVS version 1.11.x and 1.12.x sleeps the wrong way to ensure the timestamp # used by CVS and the one set by subsequence file modifications are different. # If they are not different CVS will not detect changes. diff --git a/git-cvsimport.perl b/git-cvsimport.perl index bdac5d51b6..cacbfc0259 100755 --- a/git-cvsimport.perl +++ b/git-cvsimport.perl @@ -227,6 +227,7 @@ sub conn { $proxyport = $1; } } + $repo ||= '/'; # if username is not explicit in CVSROOT, then use current user, as cvs would $user=(getlogin() || $ENV{'LOGNAME'} || $ENV{'USER'} || "anonymous") unless $user; @@ -780,6 +781,7 @@ sub commit { $xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY ** $xtag =~ tr/_/\./ if ( $opt_u ); $xtag =~ s/[\/]/$opt_s/g; + $xtag =~ s/\[//g; system('git-tag', '-f', $xtag, $cid) == 0 or die "Cannot create tag $xtag: $!\n"; diff --git a/git-cvsserver.perl b/git-cvsserver.perl index 29dbfc940b..920bbe15a3 100755 --- a/git-cvsserver.perl +++ b/git-cvsserver.perl @@ -21,6 +21,7 @@ use bytes; use Fcntl; use File::Temp qw/tempdir tempfile/; +use File::Path qw/rmtree/; use File::Basename; use Getopt::Long qw(:config require_order no_ignore_case); @@ -86,6 +87,17 @@ my $methods = { # $state holds all the bits of information the clients sends us that could # potentially be useful when it comes to actually _doing_ something. my $state = { prependdir => '' }; + +# Work is for managing temporary working directory +my $work = + { + state => undef, # undef, 1 (empty), 2 (with stuff) + workDir => undef, + index => undef, + emptyDir => undef, + tmpDir => undef + }; + $log->info("--------------- STARTING -----------------"); my $usage = @@ -189,6 +201,9 @@ while (<STDIN>) $log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]); $log->info("--------------- FINISH -----------------"); +chdir '/'; +exit 0; + # Magic catchall method. # This is the method that will handle all commands we haven't yet # implemented. It simply sends a warning to the log file indicating a @@ -487,7 +502,7 @@ sub req_add print $state->{CVSROOT} . "/$state->{module}/$filename\n"; # this is an "entries" line - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash}); $log->debug("/$filepart/1.$meta->{revision}//$kopts/"); print "/$filepart/1.$meta->{revision}//$kopts/\n"; # permissions @@ -518,9 +533,26 @@ sub req_add print "Checked-in $dirpart\n"; print "$filename\n"; - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path($filename,"file", + $state->{entries}{$filename}{modified_filename}); print "/$filepart/0//$kopts/\n"; + my $requestedKopts = $state->{opt}{k}; + if(defined($requestedKopts)) + { + $requestedKopts = "-k$requestedKopts"; + } + else + { + $requestedKopts = ""; + } + if( $kopts ne $requestedKopts ) + { + $log->warn("Ignoring requested -k='$requestedKopts'" + . " for '$filename'; detected -k='$kopts' instead"); + #TODO: Also have option to send warning to user? + } + $addcount++; } @@ -600,7 +632,7 @@ sub req_remove print "Checked-in $dirpart\n"; print "$filename\n"; - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash}); print "/$filepart/-1.$wrev//$kopts/\n"; $rmcount++; @@ -770,6 +802,7 @@ sub req_co argsplit("co"); my $module = $state->{args}[0]; + $state->{module} = $module; my $checkout_path = $module; # use the user specified directory if we're given it @@ -847,6 +880,7 @@ sub req_co # Don't want to check out deleted files next if ( $git->{filehash} eq "deleted" ); + my $fullName = $git->{name}; ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name}); if (length($git->{dir}) && $git->{dir} ne './' @@ -877,7 +911,7 @@ sub req_co print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n"; # this is an "entries" line - my $kopts = kopts_from_path($git->{name}); + my $kopts = kopts_from_path($fullName,"sha1",$git->{filehash}); print "/$git->{name}/1.$git->{revision}//$kopts/\n"; # permissions print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n"; @@ -1086,7 +1120,7 @@ sub req_update print $state->{CVSROOT} . "/$state->{module}/$filename\n"; # this is an "entries" line - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash}); $log->debug("/$filepart/1.$meta->{revision}//$kopts/"); print "/$filepart/1.$meta->{revision}//$kopts/\n"; @@ -1101,10 +1135,10 @@ sub req_update $log->info("Updating '$filename'"); my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1); - my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/"; + my $mergeDir = setupTmpDir(); - chdir $dir; my $file_local = $filepart . ".mine"; + my $mergedFile = "$mergeDir/$file_local"; system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local); my $file_old = $filepart . "." . $oldmeta->{revision}; transmitfile($oldmeta->{filehash}, { targetfile => $file_old }); @@ -1115,11 +1149,13 @@ sub req_update $log->info("Merging $file_local, $file_old, $file_new"); print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n"; - $log->debug("Temporary directory for merge is $dir"); + $log->debug("Temporary directory for merge is $mergeDir"); my $return = system("git", "merge-file", $file_local, $file_old, $file_new); $return >>= 8; + cleanupTmpDir(); + if ( $return == 0 ) { $log->info("Merged successfully"); @@ -1132,7 +1168,8 @@ sub req_update print "Merged $dirpart\n"; $log->debug($state->{CVSROOT} . "/$state->{module}/$filename"); print $state->{CVSROOT} . "/$state->{module}/$filename\n"; - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path("$dirpart/$filepart", + "file",$mergedFile); $log->debug("/$filepart/1.$meta->{revision}//$kopts/"); print "/$filepart/1.$meta->{revision}//$kopts/\n"; } @@ -1148,7 +1185,8 @@ sub req_update { print "Merged $dirpart\n"; print $state->{CVSROOT} . "/$state->{module}/$filename\n"; - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path("$dirpart/$filepart", + "file",$mergedFile); print "/$filepart/1.$meta->{revision}/+/$kopts/\n"; } } @@ -1168,13 +1206,11 @@ sub req_update # transmit file, format is single integer on a line by itself (file # size) followed by the file contents # TODO : we should copy files in blocks - my $data = `cat $file_local`; + my $data = `cat $mergedFile`; $log->debug("File size : " . length($data)); print length($data) . "\n"; print $data; } - - chdir "/"; } } @@ -1195,6 +1231,7 @@ sub req_ci if ( $state->{method} eq 'pserver') { print "error 1 pserver access cannot commit\n"; + cleanupWorkTree(); exit; } @@ -1202,6 +1239,7 @@ sub req_ci { $log->warn("file 'index' already exists in the git repository"); print "error 1 Index already exists in git repo\n"; + cleanupWorkTree(); exit; } @@ -1209,31 +1247,20 @@ sub req_ci my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log); $updater->update(); - my $tmpdir = tempdir ( DIR => $TEMP_DIR ); - my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 ); - $log->info("Lockless commit start, basing commit on '$tmpdir', index file is '$file_index'"); - - $ENV{GIT_DIR} = $state->{CVSROOT} . "/"; - $ENV{GIT_WORK_TREE} = "."; - $ENV{GIT_INDEX_FILE} = $file_index; - # Remember where the head was at the beginning. my $parenthash = `git show-ref -s refs/heads/$state->{module}`; chomp $parenthash; if ($parenthash !~ /^[0-9a-f]{40}$/) { print "error 1 pserver cannot find the current HEAD of module"; + cleanupWorkTree(); exit; } - chdir $tmpdir; + setupWorkTree($parenthash); - # populate the temporary index - system("git-read-tree", $parenthash); - unless ($? == 0) - { - die "Error running git-read-tree $state->{module} $file_index $!"; - } - $log->info("Created index '$file_index' for head $state->{module} - exit status $?"); + $log->info("Lockless commit start, basing commit on '$work->{workDir}', index file is '$work->{index}'"); + + $log->info("Created index '$work->{index}' for head $state->{module} - exit status $?"); my @committedfiles = (); my %oldmeta; @@ -1271,7 +1298,7 @@ sub req_ci { # fail everything if an up to date check fails print "error 1 Up to date check failed for $filename\n"; - chdir "/"; + cleanupWorkTree(); exit; } @@ -1313,7 +1340,7 @@ sub req_ci { print "E No files to commit\n"; print "ok\n"; - chdir "/"; + cleanupWorkTree(); return; } @@ -1336,7 +1363,7 @@ sub req_ci { $log->warn("Commit failed (Invalid commit hash)"); print "error 1 Commit failed (unknown reason)\n"; - chdir "/"; + cleanupWorkTree(); exit; } @@ -1348,7 +1375,7 @@ sub req_ci { $log->warn("Commit failed (update hook declined to update ref)"); print "error 1 Commit failed (update hook declined)\n"; - chdir "/"; + cleanupWorkTree(); exit; } } @@ -1358,6 +1385,7 @@ sub req_ci "refs/heads/$state->{module}", $commithash, $parenthash)) { $log->warn("update-ref for $state->{module} failed."); print "error 1 Cannot commit -- update first\n"; + cleanupWorkTree(); exit; } @@ -1409,12 +1437,12 @@ sub req_ci } print "Checked-in $dirpart\n"; print "$filename\n"; - my $kopts = kopts_from_path($filepart); + my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash}); print "/$filepart/1.$meta->{revision}//$kopts/\n"; } } - chdir "/"; + cleanupWorkTree(); print "ok\n"; } @@ -1757,15 +1785,9 @@ sub req_annotate argsfromdir($updater); # we'll need a temporary checkout dir - my $tmpdir = tempdir ( DIR => $TEMP_DIR ); - my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 ); - $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'"); - - $ENV{GIT_DIR} = $state->{CVSROOT} . "/"; - $ENV{GIT_WORK_TREE} = "."; - $ENV{GIT_INDEX_FILE} = $file_index; + setupWorkTree(); - chdir $tmpdir; + $log->info("Temp checkoutdir creation successful, basing annotate session work on '$work->{workDir}', index file is '$ENV{GIT_INDEX_FILE}'"); # foreach file specified on the command line ... foreach my $filename ( @{$state->{args}} ) @@ -1789,10 +1811,10 @@ sub req_annotate system("git-read-tree", $lastseenin); unless ($? == 0) { - print "E error running git-read-tree $lastseenin $file_index $!\n"; + print "E error running git-read-tree $lastseenin $ENV{GIT_INDEX_FILE} $!\n"; return; } - $log->info("Created index '$file_index' with commit $lastseenin - exit status $?"); + $log->info("Created index '$ENV{GIT_INDEX_FILE}' with commit $lastseenin - exit status $?"); # do a checkout of the file system('git-checkout-index', '-f', '-u', $filename); @@ -1808,7 +1830,7 @@ sub req_annotate # git-jsannotate telling us about commits we are hiding # from the client. - my $a_hints = "$tmpdir/.annotate_hints"; + my $a_hints = "$work->{workDir}/.annotate_hints"; if (!open(ANNOTATEHINTS, '>', $a_hints)) { print "E failed to open '$a_hints' for writing: $!\n"; return; @@ -1862,7 +1884,7 @@ sub req_annotate } # done; get out of the tempdir - chdir "/"; + cleanupWorkDir(); print "ok\n"; @@ -2115,26 +2137,388 @@ sub filecleanup return $filename; } +sub validateGitDir +{ + if( !defined($state->{CVSROOT}) ) + { + print "error 1 CVSROOT not specified\n"; + cleanupWorkTree(); + exit; + } + if( $ENV{GIT_DIR} ne ($state->{CVSROOT} . '/') ) + { + print "error 1 Internally inconsistent CVSROOT\n"; + cleanupWorkTree(); + exit; + } +} + +# Setup working directory in a work tree with the requested version +# loaded in the index. +sub setupWorkTree +{ + my ($ver) = @_; + + validateGitDir(); + + if( ( defined($work->{state}) && $work->{state} != 1 ) || + defined($work->{tmpDir}) ) + { + $log->warn("Bad work tree state management"); + print "error 1 Internal setup multiple work trees without cleanup\n"; + cleanupWorkTree(); + exit; + } + + $work->{workDir} = tempdir ( DIR => $TEMP_DIR ); + + if( !defined($work->{index}) ) + { + (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 ); + } + + chdir $work->{workDir} or + die "Unable to chdir to $work->{workDir}\n"; + + $log->info("Setting up GIT_WORK_TREE as '.' in '$work->{workDir}', index file is '$work->{index}'"); + + $ENV{GIT_WORK_TREE} = "."; + $ENV{GIT_INDEX_FILE} = $work->{index}; + $work->{state} = 2; + + if($ver) + { + system("git","read-tree",$ver); + unless ($? == 0) + { + $log->warn("Error running git-read-tree"); + die "Error running git-read-tree $ver in $work->{workDir} $!\n"; + } + } + # else # req_annotate reads tree for each file +} + +# Ensure current directory is in some kind of working directory, +# with a recent version loaded in the index. +sub ensureWorkTree +{ + if( defined($work->{tmpDir}) ) + { + $log->warn("Bad work tree state management [ensureWorkTree()]"); + print "error 1 Internal setup multiple dirs without cleanup\n"; + cleanupWorkTree(); + exit; + } + if( $work->{state} ) + { + return; + } + + validateGitDir(); + + if( !defined($work->{emptyDir}) ) + { + $work->{emptyDir} = tempdir ( DIR => $TEMP_DIR, OPEN => 0); + } + chdir $work->{emptyDir} or + die "Unable to chdir to $work->{emptyDir}\n"; + + my $ver = `git show-ref -s refs/heads/$state->{module}`; + chomp $ver; + if ($ver !~ /^[0-9a-f]{40}$/) + { + $log->warn("Error from git show-ref -s refs/head$state->{module}"); + print "error 1 cannot find the current HEAD of module"; + cleanupWorkTree(); + exit; + } + + if( !defined($work->{index}) ) + { + (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 ); + } + + $ENV{GIT_WORK_TREE} = "."; + $ENV{GIT_INDEX_FILE} = $work->{index}; + $work->{state} = 1; + + system("git","read-tree",$ver); + unless ($? == 0) + { + die "Error running git-read-tree $ver $!\n"; + } +} + +# Cleanup working directory that is not needed any longer. +sub cleanupWorkTree +{ + if( ! $work->{state} ) + { + return; + } + + chdir "/" or die "Unable to chdir '/'\n"; + + if( defined($work->{workDir}) ) + { + rmtree( $work->{workDir} ); + undef $work->{workDir}; + } + undef $work->{state}; +} + +# Setup a temporary directory (not a working tree), typically for +# merging dirty state as in req_update. +sub setupTmpDir +{ + $work->{tmpDir} = tempdir ( DIR => $TEMP_DIR ); + chdir $work->{tmpDir} or die "Unable to chdir $work->{tmpDir}\n"; + + return $work->{tmpDir}; +} + +# Clean up a previously setupTmpDir. Restore previous work tree if +# appropriate. +sub cleanupTmpDir +{ + if ( !defined($work->{tmpDir}) ) + { + $log->warn("cleanup tmpdir that has not been setup"); + die "Cleanup tmpDir that has not been setup\n"; + } + if( defined($work->{state}) ) + { + if( $work->{state} == 1 ) + { + chdir $work->{emptyDir} or + die "Unable to chdir to $work->{emptyDir}\n"; + } + elsif( $work->{state} == 2 ) + { + chdir $work->{workDir} or + die "Unable to chdir to $work->{emptyDir}\n"; + } + else + { + $log->warn("Inconsistent work dir state"); + die "Inconsistent work dir state\n"; + } + } + else + { + chdir "/" or die "Unable to chdir '/'\n"; + } +} + # Given a path, this function returns a string containing the kopts # that should go into that path's Entries line. For example, a binary # file should get -kb. sub kopts_from_path { - my ($path) = @_; + my ($path, $srcType, $name) = @_; - # Once it exists, the git attributes system should be used to look up - # what attributes apply to this path. + if ( defined ( $cfg->{gitcvs}{usecrlfattr} ) and + $cfg->{gitcvs}{usecrlfattr} =~ /\s*(1|true|yes)\s*$/i ) + { + my ($val) = check_attr( "crlf", $path ); + if ( $val eq "set" ) + { + return ""; + } + elsif ( $val eq "unset" ) + { + return "-kb" + } + else + { + $log->info("Unrecognized check_attr crlf $path : $val"); + } + } - # Until then, take the setting from the config file - unless ( defined ( $cfg->{gitcvs}{allbinary} ) and $cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i ) + if ( defined ( $cfg->{gitcvs}{allbinary} ) ) { - # Return "" to give no special treatment to any path - return ""; - } else { - # Alternatively, to have all files treated as if they are binary (which - # is more like git itself), always return the "-kb" option - return "-kb"; + if( ($cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i) ) + { + return "-kb"; + } + elsif( ($cfg->{gitcvs}{allbinary} =~ /^\s*guess\s*$/i) ) + { + if( $srcType eq "sha1Or-k" && + !defined($name) ) + { + my ($ret)=$state->{entries}{$path}{options}; + if( !defined($ret) ) + { + $ret=$state->{opt}{k}; + if(defined($ret)) + { + $ret="-k$ret"; + } + else + { + $ret=""; + } + } + if( ! ($ret=~/^(|-kb|-kkv|-kkvl|-kk|-ko|-kv)$/) ) + { + print "E Bad -k option\n"; + $log->warn("Bad -k option: $ret"); + die "Error: Bad -k option: $ret\n"; + } + + return $ret; + } + else + { + if( is_binary($srcType,$name) ) + { + $log->debug("... as binary"); + return "-kb"; + } + else + { + $log->debug("... as text"); + } + } + } + } + # Return "" to give no special treatment to any path + return ""; +} + +sub check_attr +{ + my ($attr,$path) = @_; + ensureWorkTree(); + if ( open my $fh, '-|', "git", "check-attr", $attr, "--", $path ) + { + my $val = <$fh>; + close $fh; + $val =~ s/.*: ([^:\r\n]*)\s*$/$1/; + return $val; + } + else + { + return undef; + } +} + +# This should have the same heuristics as convert.c:is_binary() and related. +# Note that the bare CR test is done by callers in convert.c. +sub is_binary +{ + my ($srcType,$name) = @_; + $log->debug("is_binary($srcType,$name)"); + + # Minimize amount of interpreted code run in the inner per-character + # loop for large files, by totalling each character value and + # then analyzing the totals. + my @counts; + my $i; + for($i=0;$i<256;$i++) + { + $counts[$i]=0; + } + + my $fh = open_blob_or_die($srcType,$name); + my $line; + while( defined($line=<$fh>) ) + { + # Any '\0' and bare CR are considered binary. + if( $line =~ /\0|(\r[^\n])/ ) + { + close($fh); + return 1; + } + + # Count up each character in the line: + my $len=length($line); + for($i=0;$i<$len;$i++) + { + $counts[ord(substr($line,$i,1))]++; + } + } + close $fh; + + # Don't count CR and LF as either printable/nonprintable + $counts[ord("\n")]=0; + $counts[ord("\r")]=0; + + # Categorize individual character count into printable and nonprintable: + my $printable=0; + my $nonprintable=0; + for($i=0;$i<256;$i++) + { + if( $i < 32 && + $i != ord("\b") && + $i != ord("\t") && + $i != 033 && # ESC + $i != 014 ) # FF + { + $nonprintable+=$counts[$i]; + } + elsif( $i==127 ) # DEL + { + $nonprintable+=$counts[$i]; + } + else + { + $printable+=$counts[$i]; + } + } + + return ($printable >> 7) < $nonprintable; +} + +# Returns open file handle. Possible invocations: +# - open_blob_or_die("file",$filename); +# - open_blob_or_die("sha1",$filehash); +sub open_blob_or_die +{ + my ($srcType,$name) = @_; + my ($fh); + if( $srcType eq "file" ) + { + if( !open $fh,"<",$name ) + { + $log->warn("Unable to open file $name: $!"); + die "Unable to open file $name: $!\n"; + } + } + elsif( $srcType eq "sha1" || $srcType eq "sha1Or-k" ) + { + unless ( defined ( $name ) and $name =~ /^[a-zA-Z0-9]{40}$/ ) + { + $log->warn("Need filehash"); + die "Need filehash\n"; + } + + my $type = `git cat-file -t $name`; + chomp $type; + + unless ( defined ( $type ) and $type eq "blob" ) + { + $log->warn("Invalid type '$type' for '$name'"); + die ( "Invalid type '$type' (expected 'blob')" ) + } + + my $size = `git cat-file -s $name`; + chomp $size; + + $log->debug("open_blob_or_die($name) size=$size, type=$type"); + + unless( open $fh, '-|', "git", "cat-file", "blob", $name ) + { + $log->warn("Unable to open sha1 $name"); + die "Unable to open sha1 $name\n"; + } + } + else + { + $log->warn("Unknown type of blob source: $srcType"); + die "Unknown type of blob source: $srcType\n"; } + return $fh; } # Generate a CVS author name from Git author information, by taking diff --git a/git-filter-branch.sh b/git-filter-branch.sh index 80e99e5394..d04c346e12 100755 --- a/git-filter-branch.sh +++ b/git-filter-branch.sh @@ -234,7 +234,7 @@ case "$filter_subdir" in ;; *) git rev-list --reverse --topo-order --default HEAD \ - --parents --full-history "$@" -- "$filter_subdir" + --parents "$@" -- "$filter_subdir" esac > ../revs || die "Could not get the commits" commits=$(wc -l <../revs | tr -d " ") diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh index 9df49710e1..d89f156fd5 100755 --- a/git-gui/git-gui.sh +++ b/git-gui/git-gui.sh @@ -122,6 +122,14 @@ set _reponame {} set _iscygwin {} set _search_path {} +set _trace [lsearch -exact $argv --trace] +if {$_trace >= 0} { + set argv [lreplace $argv $_trace $_trace] + set _trace 1 +} else { + set _trace 0 +} + proc appname {} { global _appname return $_appname @@ -245,6 +253,21 @@ proc get_config {name} { ## ## handy utils +proc _trace_exec {cmd} { + if {!$::_trace} return + set d {} + foreach v $cmd { + if {$d ne {}} { + append d { } + } + if {[regexp {[ \t\r\n'"$?*]} $v]} { + set v [sq $v] + } + append d $v + } + puts stderr $d +} + proc _git_cmd {name} { global _git_cmd_path @@ -339,7 +362,7 @@ proc _lappend_nice {cmd_var} { } proc git {args} { - set opt [list exec] + set opt [list] while {1} { switch -- [lindex $args 0] { @@ -359,12 +382,18 @@ proc git {args} { set cmdp [_git_cmd [lindex $args 0]] set args [lrange $args 1 end] - return [eval $opt $cmdp $args] + _trace_exec [concat $opt $cmdp $args] + set result [eval exec $opt $cmdp $args] + if {$::_trace} { + puts stderr "< $result" + } + return $result } proc _open_stdout_stderr {cmd} { + _trace_exec $cmd if {[catch { - set fd [open $cmd r] + set fd [open [concat [list | ] $cmd] r] } err]} { if { [lindex $cmd end] eq {2>@1} && $err eq {can not find channel named "1"} @@ -375,6 +404,7 @@ proc _open_stdout_stderr {cmd} { # to try to start it a second time. # set fd [open [concat \ + [list | ] \ [lrange $cmd 0 end-1] \ [list |& cat] \ ] r] @@ -387,7 +417,7 @@ proc _open_stdout_stderr {cmd} { } proc git_read {args} { - set opt [list |] + set opt [list] while {1} { switch -- [lindex $args 0] { @@ -415,7 +445,7 @@ proc git_read {args} { } proc git_write {args} { - set opt [list |] + set opt [list] while {1} { switch -- [lindex $args 0] { @@ -435,7 +465,8 @@ proc git_write {args} { set cmdp [_git_cmd [lindex $args 0]] set args [lrange $args 1 end] - return [open [concat $opt $cmdp $args] w] + _trace_exec [concat $opt $cmdp $args] + return [open [concat [list | ] $opt $cmdp $args] w] } proc githook_read {hook_name args} { @@ -455,12 +486,12 @@ proc githook_read {hook_name args} { } set scr {if test -x "$1";then exec "$@";fi} - set sh_c [list | $interp -c $scr $interp $pchook] + set sh_c [list $interp -c $scr $interp $pchook] return [_open_stdout_stderr [concat $sh_c $args]] } if {[file executable $pchook]} { - return [_open_stdout_stderr [concat [list | $pchook] $args]] + return [_open_stdout_stderr [concat [list $pchook] $args]] } return {} @@ -1096,27 +1127,18 @@ proc rescan {after {honor_trustmtime 1}} { } if {[is_Cygwin]} { - set is_git_info_link {} set is_git_info_exclude {} proc have_info_exclude {} { - global is_git_info_link is_git_info_exclude - - if {$is_git_info_link eq {}} { - set is_git_info_link [file isfile [gitdir info.lnk]] - } + global is_git_info_exclude - if {$is_git_info_link} { - if {$is_git_info_exclude eq {}} { - if {[catch {exec test -f [gitdir info exclude]}]} { - set is_git_info_exclude 0 - } else { - set is_git_info_exclude 1 - } + if {$is_git_info_exclude eq {}} { + if {[catch {exec test -f [gitdir info exclude]}]} { + set is_git_info_exclude 0 + } else { + set is_git_info_exclude 1 } - return $is_git_info_exclude - } else { - return [file readable [gitdir info exclude]] } + return $is_git_info_exclude } } else { proc have_info_exclude {} { @@ -1752,6 +1774,11 @@ proc do_commit {} { commit_tree } +proc next_diff {} { + global next_diff_p next_diff_w next_diff_i + show_diff $next_diff_p $next_diff_w $next_diff_i +} + proc toggle_or_diff {w x y} { global file_states file_lists current_diff_path ui_index ui_workdir global last_clicked selected_paths @@ -1770,12 +1797,34 @@ proc toggle_or_diff {w x y} { $ui_index tag remove in_sel 0.0 end $ui_workdir tag remove in_sel 0.0 end - if {$col == 0} { - if {$current_diff_path eq $path} { + if {$col == 0 && $y > 1} { + set i [expr {$lno-1}] + set ll [expr {[llength $file_lists($w)]-1}] + + if {$i == $ll && $i == 0} { set after {reshow_diff;} } else { - set after {} + global next_diff_p next_diff_w next_diff_i + + set next_diff_w $w + + if {$i < $ll} { + set i [expr {$i + 1}] + set next_diff_i $i + } else { + set next_diff_i $i + set i [expr {$i - 1}] + } + + set next_diff_p [lindex $file_lists($w) $i] + + if {$next_diff_p ne {} && $current_diff_path ne {}} { + set after {next_diff;} + } else { + set after {} + } } + if {$w eq $ui_index} { update_indexinfo \ "Unstaging [short_path $path] from commit" \ @@ -2617,6 +2666,11 @@ $ctxm add command \ -command {apply_hunk $cursorX $cursorY} set ui_diff_applyhunk [$ctxm index last] lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state] +$ctxm add command \ + -label [mc "Apply/Reverse Line"] \ + -command {apply_line $cursorX $cursorY; do_rescan} +set ui_diff_applyline [$ctxm index last] +lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state] $ctxm add separator $ctxm add command \ -label [mc "Show Less Context"] \ @@ -2665,8 +2719,10 @@ proc popup_diff_menu {ctxm x y X Y} { set ::cursorY $y if {$::ui_index eq $::current_diff_side} { set l [mc "Unstage Hunk From Commit"] + set t [mc "Unstage Line From Commit"] } else { set l [mc "Stage Hunk For Commit"] + set t [mc "Stage Line For Commit"] } if {$::is_3way_diff || $current_diff_path eq {} @@ -2677,6 +2733,7 @@ proc popup_diff_menu {ctxm x y X Y} { set s normal } $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l + $ctxm entryconf $::ui_diff_applyline -state $s -label $t tk_popup $ctxm $X $Y } bind_button3 $ui_diff [list popup_diff_menu $ctxm %x %y %X %Y] diff --git a/git-gui/lib/choose_repository.tcl b/git-gui/lib/choose_repository.tcl index ae4a4cd0a8..3180786158 100644 --- a/git-gui/lib/choose_repository.tcl +++ b/git-gui/lib/choose_repository.tcl @@ -388,9 +388,7 @@ method _do_new {} { -command [cb _new_local_path] set w_localpath $w_body.where.t - pack $w_body.where.b -side right - pack $w_body.where.l -side left - pack $w_body.where.t -fill x + grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew pack $w_body.where -fill x trace add variable @local_path write [cb _write_local_path] @@ -987,9 +985,7 @@ method _do_open {} { -text [mc "Browse"] \ -command [cb _open_local_path] - pack $w_body.where.b -side right - pack $w_body.where.l -side left - pack $w_body.where.t -fill x + grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew pack $w_body.where -fill x trace add variable @local_path write [cb _write_local_path] diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl index d04f6dbde2..96ba94906c 100644 --- a/git-gui/lib/diff.tcl +++ b/git-gui/lib/diff.tcl @@ -362,3 +362,90 @@ proc apply_hunk {x y} { set current_diff_path $current_diff_path } } + +proc apply_line {x y} { + global current_diff_path current_diff_header current_diff_side + global ui_diff ui_index file_states + + if {$current_diff_path eq {} || $current_diff_header eq {}} return + if {![lock_index apply_hunk]} return + + set apply_cmd {apply --cached --whitespace=nowarn} + set mi [lindex $file_states($current_diff_path) 0] + if {$current_diff_side eq $ui_index} { + set failed_msg [mc "Failed to unstage selected line."] + set to_context {+} + lappend apply_cmd --reverse + if {[string index $mi 0] ne {M}} { + unlock_index + return + } + } else { + set failed_msg [mc "Failed to stage selected line."] + set to_context {-} + if {[string index $mi 1] ne {M}} { + unlock_index + return + } + } + + set the_l [$ui_diff index @$x,$y] + + # operate only on change lines + set c1 [$ui_diff get "$the_l linestart"] + if {$c1 ne {+} && $c1 ne {-}} { + unlock_index + return + } + set sign $c1 + + set i_l [$ui_diff search -backwards -regexp ^@@ $the_l 0.0] + if {$i_l eq {}} { + unlock_index + return + } + # $i_l is now at the beginning of a line + + # pick start line number from hunk header + set hh [$ui_diff get $i_l "$i_l + 1 lines"] + set hh [lindex [split $hh ,] 0] + set hln [lindex [split $hh -] 1] + + set n 0 + set i_l [$ui_diff index "$i_l + 1 lines"] + set patch {} + while {[$ui_diff compare $i_l < "end - 1 chars"] && + [$ui_diff get $i_l "$i_l + 2 chars"] ne {@@}} { + set next_l [$ui_diff index "$i_l + 1 lines"] + set c1 [$ui_diff get $i_l] + if {[$ui_diff compare $i_l <= $the_l] && + [$ui_diff compare $the_l < $next_l]} { + # the line to stage/unstage + set ln [$ui_diff get $i_l $next_l] + set patch "$patch$ln" + } elseif {$c1 ne {-} && $c1 ne {+}} { + # context line + set ln [$ui_diff get $i_l $next_l] + set patch "$patch$ln" + set n [expr $n+1] + } elseif {$c1 eq $to_context} { + # turn change line into context line + set ln [$ui_diff get "$i_l + 1 chars" $next_l] + set patch "$patch $ln" + set n [expr $n+1] + } + set i_l $next_l + } + set patch "@@ -$hln,$n +$hln,[eval expr $n $sign 1] @@\n$patch" + + if {[catch { + set p [eval git_write $apply_cmd] + fconfigure $p -translation binary -encoding binary + puts -nonewline $p $current_diff_header + puts -nonewline $p $patch + close $p} err]} { + error_popup [append $failed_msg "\n\n$err"] + } + + unlock_index +} diff --git a/git-instaweb.sh b/git-instaweb.sh index 6f91c8f845..af0fde538c 100755 --- a/git-instaweb.sh +++ b/git-instaweb.sh @@ -22,10 +22,10 @@ restart restart the web server . git-sh-setup fqgitdir="$GIT_DIR" -local="`git config --bool --get instaweb.local`" -httpd="`git config --get instaweb.httpd`" -port=`git config --get instaweb.port` -module_path="`git config --get instaweb.modulepath`" +local="$(git config --bool --get instaweb.local)" +httpd="$(git config --get instaweb.httpd)" +port=$(git config --get instaweb.port) +module_path="$(git config --get instaweb.modulepath)" conf="$GIT_DIR/gitweb/httpd.conf" @@ -37,11 +37,21 @@ test -z "$httpd" && httpd='lighttpd -f' # any untaken local port will do... test -z "$port" && port=1234 -start_httpd () { - httpd_only="`echo $httpd | cut -f1 -d' '`" +resolve_full_httpd () { + case "$httpd" in + *apache2*|*lighttpd*) + # ensure that the apache2/lighttpd command ends with "-f" + if ! echo "$httpd" | grep -- '-f *$' >/dev/null 2>&1 + then + httpd="$httpd -f" + fi + ;; + esac + + httpd_only="$(echo $httpd | cut -f1 -d' ')" if case "$httpd_only" in /*) : ;; *) which $httpd_only >/dev/null;; esac then - $httpd "$fqgitdir/gitweb/httpd.conf" + full_httpd=$httpd else # many httpds are installed in /usr/sbin or /usr/local/sbin # these days and those are not in most users $PATHs @@ -51,16 +61,23 @@ start_httpd () { do if test -x "$i/$httpd_only" then - # don't quote $httpd, there can be - # arguments to it (-f) - $i/$httpd "$fqgitdir/gitweb/httpd.conf" + full_httpd=$i/$httpd return fi done - echo "$httpd_only not found. Install $httpd_only or use" \ - "--httpd to specify another http daemon." + + echo >&2 "$httpd_only not found. Install $httpd_only or use" \ + "--httpd to specify another httpd daemon." exit 1 fi +} + +start_httpd () { + # here $httpd should have a meaningful value + resolve_full_httpd + + # don't quote $full_httpd, there can be arguments to it (-f) + $full_httpd "$fqgitdir/gitweb/httpd.conf" if test $? != 0; then echo "Could not execute http daemon $httpd." exit 1 @@ -68,7 +85,7 @@ start_httpd () { } stop_httpd () { - test -f "$fqgitdir/pid" && kill `cat "$fqgitdir/pid"` + test -f "$fqgitdir/pid" && kill $(cat "$fqgitdir/pid") } while test $# != 0 @@ -116,7 +133,7 @@ do done mkdir -p "$GIT_DIR/gitweb/tmp" -GIT_EXEC_PATH="`git --exec-path`" +GIT_EXEC_PATH="$(git --exec-path)" GIT_DIR="$fqgitdir" export GIT_EXEC_PATH GIT_DIR @@ -215,7 +232,8 @@ PerlPassEnv GIT_EXEC_DIR EOF else # plain-old CGI - list_mods=`echo "$httpd" | sed "s/-f$/-l/"` + resolve_full_httpd + list_mods=$(echo "$full_httpd" | sed "s/-f$/-l/") $list_mods | grep 'mod_cgi\.c' >/dev/null 2>&1 || \ echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf" cat >> "$conf" <<EOF diff --git a/git-merge-stupid.sh b/git-merge-stupid.sh deleted file mode 100755 index f612d4729c..0000000000 --- a/git-merge-stupid.sh +++ /dev/null @@ -1,80 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2005 Linus Torvalds -# -# Resolve two trees, 'stupid merge'. - -# The first parameters up to -- are merge bases; the rest are heads. -bases= head= remotes= sep_seen= -for arg -do - case ",$sep_seen,$head,$arg," in - *,--,) - sep_seen=yes - ;; - ,yes,,*) - head=$arg - ;; - ,yes,*) - remotes="$remotes$arg " - ;; - *) - bases="$bases$arg " - ;; - esac -done - -# Give up if we are given two or more remotes -- not handling octopus. -case "$remotes" in -?*' '?*) - exit 2 ;; -esac - -# Find an optimum merge base if there are more than one candidates. -case "$bases" in -?*' '?*) - echo "Trying to find the optimum merge base." - G=.tmp-index$$ - best= - best_cnt=-1 - for c in $bases - do - rm -f $G - GIT_INDEX_FILE=$G git read-tree -m $c $head $remotes \ - 2>/dev/null || continue - # Count the paths that are unmerged. - cnt=`GIT_INDEX_FILE=$G git ls-files --unmerged | wc -l` - if test $best_cnt -le 0 -o $cnt -le $best_cnt - then - best=$c - best_cnt=$cnt - if test "$best_cnt" -eq 0 - then - # Cannot do any better than all trivial merge. - break - fi - fi - done - rm -f $G - common="$best" - ;; -*) - common="$bases" - ;; -esac - -git update-index --refresh 2>/dev/null -git read-tree -u -m $common $head $remotes || exit 2 -echo "Trying simple merge." -if result_tree=$(git write-tree 2>/dev/null) -then - exit 0 -else - echo "Simple merge failed, trying Automatic merge." - if git-merge-index -o git-merge-one-file -a - then - exit 0 - else - exit 1 - fi -fi diff --git a/git-merge.sh b/git-merge.sh index 69b35d87e6..8026ccff4a 100755 --- a/git-merge.sh +++ b/git-merge.sh @@ -9,13 +9,11 @@ git-merge [options] <remote>... git-merge [options] <msg> HEAD <remote> -- stat show a diffstat at the end of the merge -n,no-stat don't show a diffstat at the end of the merge +n don't show a diffstat at the end of the merge summary (synonym to --stat) -no-summary (synonym to --no-stat) log add list of one-line log to merge commit message -no-log don't add list of one-line log to merge commit message squash create a single commit instead of doing a merge -commit perform a commit if the merge sucesses (default) +commit perform a commit if the merge succeeds (default) ff allow fast forward (default) s,strategy= merge strategy to use m,message= message to be used for the merge commit (if any) diff --git a/git-mergetool.sh b/git-mergetool.sh index fcdec4a504..94187c306c 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -141,10 +141,10 @@ merge_file () { fi ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')" - BACKUP="$MERGED.BACKUP.$ext" - LOCAL="$MERGED.LOCAL.$ext" - REMOTE="$MERGED.REMOTE.$ext" - BASE="$MERGED.BASE.$ext" + BACKUP="./$MERGED.BACKUP.$ext" + LOCAL="./$MERGED.LOCAL.$ext" + REMOTE="./$MERGED.REMOTE.$ext" + BASE="./$MERGED.BASE.$ext" mv -- "$MERGED" "$BACKUP" cp -- "$BACKUP" "$MERGED" @@ -183,29 +183,29 @@ merge_file () { kdiff3) if base_present ; then ("$merge_tool_path" --auto --L1 "$MERGED (Base)" --L2 "$MERGED (Local)" --L3 "$MERGED (Remote)" \ - -o "$MERGED" -- "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1) + -o "$MERGED" "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1) else ("$merge_tool_path" --auto --L1 "$MERGED (Local)" --L2 "$MERGED (Remote)" \ - -o "$MERGED" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1) + -o "$MERGED" "$LOCAL" "$REMOTE" > /dev/null 2>&1) fi status=$? ;; tkdiff) if base_present ; then - "$merge_tool_path" -a "$BASE" -o "$MERGED" -- "$LOCAL" "$REMOTE" + "$merge_tool_path" -a "$BASE" -o "$MERGED" "$LOCAL" "$REMOTE" else - "$merge_tool_path" -o "$MERGED" -- "$LOCAL" "$REMOTE" + "$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE" fi status=$? ;; meld|vimdiff) touch "$BACKUP" - "$merge_tool_path" -- "$LOCAL" "$MERGED" "$REMOTE" + "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE" check_unchanged ;; gvimdiff) touch "$BACKUP" - "$merge_tool_path" -f -- "$LOCAL" "$MERGED" "$REMOTE" + "$merge_tool_path" -f "$LOCAL" "$MERGED" "$REMOTE" check_unchanged ;; xxdiff) @@ -215,13 +215,13 @@ merge_file () { -R 'Accel.SaveAsMerged: "Ctrl-S"' \ -R 'Accel.Search: "Ctrl+F"' \ -R 'Accel.SearchForward: "Ctrl-G"' \ - --merged-file "$MERGED" -- "$LOCAL" "$BASE" "$REMOTE" + --merged-file "$MERGED" "$LOCAL" "$BASE" "$REMOTE" else "$merge_tool_path" -X --show-merged-pane \ -R 'Accel.SaveAsMerged: "Ctrl-S"' \ -R 'Accel.Search: "Ctrl+F"' \ -R 'Accel.SearchForward: "Ctrl-G"' \ - --merged-file "$MERGED" -- "$LOCAL" "$REMOTE" + --merged-file "$MERGED" "$LOCAL" "$REMOTE" fi check_unchanged ;; diff --git a/git-pull.sh b/git-pull.sh index bf0c2985af..809e537a4d 100755 --- a/git-pull.sh +++ b/git-pull.sh @@ -107,6 +107,11 @@ error_on_no_merge_candidates () { } test true = "$rebase" && { + git update-index --refresh && + git diff-files --quiet && + git diff-index --cached --quiet HEAD -- || + die "refusing to pull with rebase: your working tree is not up-to-date" + . git-parse-remote && origin="$1" test -z "$origin" && origin=$(get_default_remote) diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh index 8aa73712ca..a64d9d57ab 100755 --- a/git-rebase--interactive.sh +++ b/git-rebase--interactive.sh @@ -56,9 +56,9 @@ output () { require_clean_work_tree () { # test if working tree is dirty git rev-parse --verify HEAD > /dev/null && - git update-index --refresh && - git diff-files --quiet && - git diff-index --cached --quiet HEAD -- || + git update-index --ignore-submodules --refresh && + git diff-files --quiet --ignore-submodules && + git diff-index --cached --quiet HEAD --ignore-submodules -- || die "Working tree is dirty" } @@ -377,11 +377,12 @@ do # Sanity check git rev-parse --verify HEAD >/dev/null || die "Cannot read HEAD" - git update-index --refresh && git diff-files --quiet || + git update-index --ignore-submodules --refresh && + git diff-files --quiet --ignore-submodules || die "Working tree is dirty" # do we have anything to commit? - if git diff-index --cached --quiet HEAD -- + if git diff-index --cached --quiet --ignore-submodules HEAD -- then : Nothing to commit -- skip this else @@ -474,6 +475,9 @@ do require_clean_work_tree + UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base" + test -z "$ONTO" && ONTO=$UPSTREAM + if test ! -z "$2" then output git show-ref --verify --quiet "refs/heads/$2" || @@ -483,12 +487,8 @@ do fi HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?" - UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base" - mkdir "$DOTEST" || die "Could not create temporary $DOTEST" - test -z "$ONTO" && ONTO=$UPSTREAM - : > "$DOTEST"/interactive || die "Could not mark as interactive" git symbolic-ref HEAD > "$DOTEST"/head-name 2> /dev/null || echo "detached HEAD" > "$DOTEST"/head-name @@ -530,9 +530,9 @@ do # Rebase $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO # # Commands: -# pick = use commit -# edit = use commit, but stop for amending -# squash = use commit, but meld into previous commit +# p, pick = use commit +# e, edit = use commit, but stop for amending +# s, squash = use commit, but meld into previous commit # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted. diff --git a/git-rebase.sh b/git-rebase.sh index 68855c18ae..e2d85eeeab 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -60,7 +60,7 @@ continue_merge () { fi cmt=`cat "$dotest/current"` - if ! git diff-index --quiet HEAD -- + if ! git diff-index --quiet --ignore-submodules HEAD -- then if ! git commit --no-verify -C "$cmt" then @@ -150,7 +150,10 @@ while test $# != 0 do case "$1" in --continue) - git diff-files --quiet || { + test -d "$dotest" -o -d .dotest || + die "No rebase in progress?" + + git diff-files --quiet --ignore-submodules || { echo "You must edit all merge conflicts and then" echo "mark them as resolved using git add" exit 1 @@ -178,6 +181,9 @@ do exit ;; --skip) + test -d "$dotest" -o -d .dotest || + die "No rebase in progress?" + git reset --hard HEAD || exit $? if test -d "$dotest" then @@ -203,16 +209,16 @@ do exit ;; --abort) + test -d "$dotest" -o -d .dotest || + die "No rebase in progress?" + git rerere clear if test -d "$dotest" then move_to_original_branch - elif test -d .dotest - then + else dotest=.dotest move_to_original_branch - else - die "No rebase in progress?" fi git reset --hard $(cat "$dotest/orig-head") rm -r "$dotest" @@ -282,8 +288,8 @@ else fi # The tree must be really really clean. -git update-index --refresh || exit -diff=$(git diff-index --cached --name-status -r HEAD --) +git update-index --ignore-submodules --refresh || exit +diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --) case "$diff" in ?*) echo "cannot rebase: your index is not up-to-date" echo "$diff" diff --git a/git-repack.sh b/git-repack.sh index 501519ab68..8c3bc134ad 100755 --- a/git-repack.sh +++ b/git-repack.sh @@ -8,7 +8,7 @@ OPTIONS_SPEC="\ git-repack [options] -- a pack everything in a single pack -A same as -a, and keep unreachable objects too +A same as -a, and turn unreachable objects loose d remove redundant packs, and run git-prune-packed f pass --no-reuse-delta to git-pack-objects n do not run git-update-server-info @@ -23,7 +23,7 @@ max-pack-size= maximum size of each packfile SUBDIRECTORY_OK='Yes' . git-sh-setup -no_update_info= all_into_one= remove_redundant= keep_unreachable= +no_update_info= all_into_one= remove_redundant= unpack_unreachable= local= quiet= no_reuse= extra= while test $# != 0 do @@ -31,7 +31,7 @@ do -n) no_update_info=t ;; -a) all_into_one=t ;; -A) all_into_one=t - keep_unreachable=--keep-unreachable ;; + unpack_unreachable=--unpack-unreachable ;; -d) remove_redundant=t ;; -q) quiet=-q ;; -f) no_reuse=--no-reuse-object ;; @@ -44,11 +44,7 @@ do shift done -# Later we will default repack.UseDeltaBaseOffset to true -default_dbo=false - -case "`git config --bool repack.usedeltabaseoffset || - echo $default_dbo`" in +case "`git config --bool repack.usedeltabaseoffset || echo true`" in true) extra="$extra --delta-base-offset" ;; esac @@ -79,9 +75,9 @@ case ",$all_into_one," in if test -z "$args" then args='--unpacked --incremental' - elif test -n "$keep_unreachable" + elif test -n "$unpack_unreachable" then - args="$args $keep_unreachable" + args="$args $unpack_unreachable" fi ;; esac @@ -125,7 +121,6 @@ then # We know $existing are all redundant. if [ -n "$existing" ] then - sync ( cd "$PACKDIR" && for e in $existing do diff --git a/git-send-email.perl b/git-send-email.perl index 1e1d98656d..3564419e81 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -84,7 +84,10 @@ Options: --smtp-pass The password for SMTP-AUTH. - --smtp-ssl If set, connects to the SMTP server using SSL. + --smtp-encryption Specify 'tls' for STARTTLS encryption, or 'ssl' for SSL. + Any other value disables the feature. + + --smtp-ssl Synonym for '--smtp-encryption=ssl'. Deprecated. --suppress-cc Suppress the specified category of auto-CC. The category can be one of 'author' for the patch author, 'self' to @@ -184,7 +187,7 @@ my ($quiet, $dry_run) = (0, 0); # Variables with corresponding config settings my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd); -my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_ssl); +my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption); my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts); my ($no_validate); my (@suppress_cc); @@ -194,7 +197,6 @@ my %config_bool_settings = ( "chainreplyto" => [\$chain_reply_to, 1], "suppressfrom" => [\$suppress_from, undef], "signedoffcc" => [\$signed_off_cc, undef], - "smtpssl" => [\$smtp_ssl, 0], ); my %config_settings = ( @@ -209,6 +211,7 @@ my %config_settings = ( "bcc" => \@bcclist, "aliasesfile" => \@alias_files, "suppresscc" => \@suppress_cc, + "envelopesender" => \$envelope_sender, ); # Handle Uncouth Termination @@ -248,7 +251,8 @@ my $rc = GetOptions("sender|from=s" => \$sender, "smtp-server-port=s" => \$smtp_server_port, "smtp-user=s" => \$smtp_authuser, "smtp-pass:s" => \$smtp_authpass, - "smtp-ssl!" => \$smtp_ssl, + "smtp-ssl" => sub { $smtp_encryption = 'ssl' }, + "smtp-encryption=s" => \$smtp_encryption, "identity=s" => \$identity, "compose" => \$compose, "quiet" => \$quiet, @@ -288,6 +292,15 @@ sub read_config { $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target); } } + + if (!defined $smtp_encryption) { + my $enc = Git::config(@repo, "$prefix.smtpencryption"); + if (defined $enc) { + $smtp_encryption = $enc; + } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) { + $smtp_encryption = 'ssl'; + } + } } # read configuration from [sendemail "$identity"], fall back on [sendemail] @@ -300,6 +313,9 @@ foreach my $setting (values %config_bool_settings) { ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]})); } +# 'default' encryption is none -- this only prevents a warning +$smtp_encryption = '' unless (defined $smtp_encryption); + # Set CC suppressions my(%suppress_cc); if (@suppress_cc) { @@ -392,7 +408,7 @@ for my $f (@ARGV) { push @files, grep { -f $_ } map { +$f . "/" . $_ } sort readdir(DH); - } elsif (-f $f) { + } elsif (-f $f or -p $f) { push @files, $f; } else { @@ -402,8 +418,10 @@ for my $f (@ARGV) { if (!$no_validate) { foreach my $f (@files) { - my $error = validate_patch($f); - $error and die "fatal: $f: $error\nwarning: no patches were sent\n"; + unless (-p $f) { + my $error = validate_patch($f); + $error and die "fatal: $f: $error\nwarning: no patches were sent\n"; + } } } @@ -441,7 +459,7 @@ if (!@to) { } my $to = $_; - push @to, split /,/, $to; + push @to, split /,\s*/, $to; $prompting++; } @@ -521,8 +539,30 @@ EOT open(C,"<",$compose_filename) or die "Failed to open $compose_filename : " . $!; + my $need_8bit_cte = file_has_nonascii($compose_filename); + my $in_body = 0; while(<C>) { next if m/^GIT: /; + if (!$in_body && /^\n$/) { + $in_body = 1; + if ($need_8bit_cte) { + print C2 "MIME-Version: 1.0\n", + "Content-Type: text/plain; ", + "charset=utf-8\n", + "Content-Transfer-Encoding: 8bit\n"; + } + } + if (!$in_body && /^MIME-Version:/i) { + $need_8bit_cte = 0; + } + if (!$in_body && /^Subject: ?(.*)/i) { + my $subject = $1; + $_ = "Subject: " . + ($subject =~ /[^[:ascii:]]/ ? + quote_rfc2047($subject) : + $subject) . + "\n"; + } print C2 $_; } close(C); @@ -613,6 +653,14 @@ sub unquote_rfc2047 { return wantarray ? ($_, $encoding) : $_; } +sub quote_rfc2047 { + local $_ = shift; + my $encoding = shift || 'utf-8'; + s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg; + s/(.*)/=\?$encoding\?q\?$1\?=/; + return $_; +} + # use the simplest quoting being able to handle the recipient sub sanitize_address { @@ -630,13 +678,12 @@ sub sanitize_address # rfc2047 is needed if a non-ascii char is included if ($recipient_name =~ /[^[:ascii:]]/) { - $recipient_name =~ s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg; - $recipient_name =~ s/(.*)/=\?utf-8\?q\?$1\?=/; + $recipient_name = quote_rfc2047($recipient_name); } # double quotes are needed if specials or CTLs are included elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) { - $recipient_name =~ s/(["\\\r])/\\$1/; + $recipient_name =~ s/(["\\\r])/\\$1/g; $recipient_name = "\"$recipient_name\""; } @@ -708,7 +755,7 @@ X-Mailer: git-send-email $gitversion die "The required SMTP server is not properly defined." } - if ($smtp_ssl) { + if ($smtp_encryption eq 'ssl') { $smtp_server_port ||= 465; # ssmtp require Net::SMTP::SSL; $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port); @@ -718,6 +765,18 @@ X-Mailer: git-send-email $gitversion $smtp ||= Net::SMTP->new((defined $smtp_server_port) ? "$smtp_server:$smtp_server_port" : $smtp_server); + if ($smtp_encryption eq 'tls') { + require Net::SMTP::SSL; + $smtp->command('STARTTLS'); + $smtp->response(); + if ($smtp->code == 220) { + $smtp = Net::SMTP::SSL->start_SSL($smtp) + or die "STARTTLS failed! ".$smtp->message; + $smtp_encryption = ''; + } else { + die "Server does not support STARTTLS! ".$smtp->message; + } + } } if (!$smtp) { @@ -959,3 +1018,13 @@ sub validate_patch { } return undef; } + +sub file_has_nonascii { + my $fn = shift; + open(my $fh, '<', $fn) + or die "unable to open $fn: $!\n"; + while (my $line = <$fh>) { + return 1 if $line =~ /[^[:ascii:]]/; + } + return 0; +} diff --git a/git-sh-setup.sh b/git-sh-setup.sh index a44b1c74a3..9cceb21a82 100755 --- a/git-sh-setup.sh +++ b/git-sh-setup.sh @@ -142,3 +142,16 @@ then } : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} fi + +# Fix some commands on Windows +case $(uname -s) in +*MINGW*) + # Windows has its own (incompatible) sort and find + sort () { + /usr/bin/sort "$@" + } + find () { + /usr/bin/find "$@" + } + ;; +esac diff --git a/git-stash.sh b/git-stash.sh index c2b68205a2..4938ade589 100755 --- a/git-stash.sh +++ b/git-stash.sh @@ -15,8 +15,8 @@ trap 'rm -f "$TMP-*"' 0 ref_stash=refs/stash no_changes () { - git diff-index --quiet --cached HEAD -- && - git diff-files --quiet + git diff-index --quiet --cached HEAD --ignore-submodules -- && + git diff-files --quiet --ignore-submodules } clear_stash () { @@ -130,7 +130,7 @@ show_stash () { } apply_stash () { - git diff-files --quiet || + git diff-files --quiet --ignore-submodules || die 'Cannot restore on top of a dirty state' unstash_index= diff --git a/git-submodule.sh b/git-submodule.sh index 100737210d..3eb78cc724 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -45,8 +45,8 @@ resolve_relative_url () branch="$(git symbolic-ref HEAD 2>/dev/null)" remote="$(git config branch.${branch#refs/heads/}.remote)" remote="${remote:-origin}" - remoteurl="$(git config remote.$remote.url)" || - die "remote ($remote) does not have a url in .git/config" + remoteurl=$(git config "remote.$remote.url") || + die "remote ($remote) does not have a url defined in .git/config" url="$1" while test -n "$url" do @@ -73,7 +73,7 @@ resolve_relative_url () module_name() { # Do we have "submodule.<something>.path = $1" defined in .gitmodules file? - re=$(printf '%s' "$1" | sed -e 's/[].[^$\\*]/\\&/g') + re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g') name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' | sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' ) test -z "$name" && @@ -178,7 +178,8 @@ cmd_add() case "$repo" in ./*|../*) # dereference source url relative to parent's url - realrepo="$(resolve_relative_url $repo)" ;; + realrepo=$(resolve_relative_url "$repo") || exit + ;; *) # Turn the source into an absolute path if # it is local @@ -246,7 +247,7 @@ cmd_init() # Possibly a url relative to parent case "$url" in ./*|../*) - url="$(resolve_relative_url "$url")" + url=$(resolve_relative_url "$url") || exit ;; esac diff --git a/git-svn.perl b/git-svn.perl index 2c53f39aef..f789a6eeca 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -4,7 +4,7 @@ use warnings; use strict; use vars qw/ $AUTHOR $VERSION - $sha1 $sha1_short $_revision + $sha1 $sha1_short $_revision $_repository $_q $_authors %users/; $AUTHOR = 'Eric Wong <normalperson@yhbt.net>'; $VERSION = '@@GIT_VERSION@@'; @@ -83,6 +83,7 @@ my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent, 'repack-flags|repack-args|repack-opts=s' => \$Git::SVN::_repack_flags, 'use-log-author' => \$Git::SVN::_use_log_author, + 'add-author-from' => \$Git::SVN::_add_author_from, %remote_opts ); my ($_trunk, $_tags, $_branches, $_stdlayout); @@ -176,6 +177,7 @@ my %cmd = ( 'strategy|s=s' => \$_strategy, 'local|l' => \$_local, 'fetch-all|all' => \$_fetch_all, + 'dry-run|n' => \$_dry_run, %fc_opts } ], 'commit-diff' => [ \&cmd_commit_diff, 'Commit a diff between two trees', @@ -221,6 +223,7 @@ unless ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) { } $ENV{GIT_DIR} = $git_dir; } + $_repository = Git->repository(Repository => $ENV{GIT_DIR}); } my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd); @@ -302,6 +305,7 @@ sub do_git_init_db { } } command_noisy(@init_db); + $_repository = Git->repository(Repository => ".git"); } my $set; my $pfx = "svn-remote.$Git::SVN::default_repo_id"; @@ -318,6 +322,7 @@ sub init_subdir { mkpath([$repo_path]) unless -d $repo_path; chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n"; $ENV{GIT_DIR} = '.git'; + $_repository = Git->repository(Repository => $ENV{GIT_DIR}); } sub cmd_clone { @@ -553,6 +558,11 @@ sub cmd_rebase { die "Unable to determine upstream SVN information from ", "working tree history\n"; } + if ($_dry_run) { + print "Remote Branch: " . $gs->refname . "\n"; + print "SVN URL: " . $url . "\n"; + return; + } if (command(qw/diff-index HEAD --/)) { print STDERR "Cannot rebase with uncommited changes:\n"; command_noisy('status'); @@ -741,7 +751,7 @@ sub cmd_commit_diff { my $usage = "Usage: $0 commit-diff -r<revision> ". "<tree-ish> <tree-ish> [<URL>]"; fatal($usage) if (!defined $ta || !defined $tb); - my $svn_path; + my $svn_path = ''; if (!defined $url) { my $gs = eval { Git::SVN->new }; if (!$gs) { @@ -765,7 +775,6 @@ sub cmd_commit_diff { $_message ||= get_commit_entry($tb)->{log}; } my $ra ||= Git::SVN::Ra->new($url); - $svn_path ||= $ra->{svn_path}; my $r = $_revision; if ($r eq 'HEAD') { $r = $ra->get_latest_revnum; @@ -1012,17 +1021,30 @@ sub get_commit_entry { my ($msg_fh, $ctx) = command_output_pipe('cat-file', $type, $treeish); my $in_msg = 0; + my $author; + my $saw_from = 0; + my $msgbuf = ""; while (<$msg_fh>) { if (!$in_msg) { $in_msg = 1 if (/^\s*$/); + $author = $1 if (/^author (.*>)/); } elsif (/^git-svn-id: /) { # skip this for now, we regenerate the # correct one on re-fetch anyways # TODO: set *:merge properties or like... } else { - print $log_fh $_ or croak $!; + if (/^From:/ || /^Signed-off-by:/) { + $saw_from = 1; + } + $msgbuf .= $_; } } + $msgbuf =~ s/\s+$//s; + if ($Git::SVN::_add_author_from && defined($author) + && !$saw_from) { + $msgbuf .= "\n\nFrom: $author"; + } + print $log_fh $msgbuf or croak $!; command_close_pipe($msg_fh, $ctx); } close $log_fh or croak $!; @@ -1249,7 +1271,7 @@ use constant rev_map_fmt => 'NH40'; use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent $_repack $_repack_flags $_use_svm_props $_head $_use_svnsync_props $no_reuse_existing $_minimize_url - $_use_log_author/; + $_use_log_author $_add_author_from/; use Carp qw/croak/; use File::Path qw/mkpath/; use File::Copy qw/copy/; @@ -1440,13 +1462,6 @@ sub verify_remotes_sanity { } } -# we allow more chars than remotes2config.sh... -sub sanitize_remote_name { - my ($name) = @_; - $name =~ tr{A-Za-z0-9:,/+-}{.}c; - $name; -} - sub find_existing_remote { my ($url, $remotes) = @_; return undef if $no_reuse_existing; @@ -1903,7 +1918,7 @@ sub prop_walk { foreach (sort keys %$dirent) { next if $dirent->{$_}->{kind} != $SVN::Node::dir; - $self->prop_walk($p . $_, $rev, $sub); + $self->prop_walk($self->{path} . $p . $_, $rev, $sub); } } @@ -2555,8 +2570,8 @@ sub rebuild { my ($log, $ctx) = command_output_pipe(qw/rev-list --pretty=raw --no-color --reverse/, $self->refname, '--'); - my $full_url = $self->full_url; - remove_username($full_url); + my $metadata_url = $self->metadata_url; + remove_username($metadata_url); my $svn_uuid = $self->ra_uuid; my $c; while (<$log>) { @@ -2574,7 +2589,7 @@ sub rebuild { # if we merged or otherwise started elsewhere, this is # how we break out of it if (($uuid ne $svn_uuid) || - ($full_url && $url && ($url ne $full_url))) { + ($metadata_url && $url && ($url ne $metadata_url))) { next; } @@ -2831,7 +2846,7 @@ sub _new { unless (defined $ref_id && length $ref_id) { $_[2] = $ref_id = $Git::SVN::default_ref_id; } - $_[1] = $repo_id = sanitize_remote_name($repo_id); + $_[1] = $repo_id; my $dir = "$ENV{GIT_DIR}/svn/$ref_id"; $_[3] = $path = '' unless (defined $path); mkpath(["$ENV{GIT_DIR}/svn"]); @@ -3018,6 +3033,7 @@ use vars qw/@ISA/; use strict; use warnings; use Carp qw/croak/; +use File::Temp qw/tempfile/; use IO::File qw//; # file baton members: path, mode_a, mode_b, pool, fh, blob, base @@ -3173,14 +3189,9 @@ sub apply_textdelta { my $base = IO::File->new_tmpfile; $base->autoflush(1); if ($fb->{blob}) { - defined (my $pid = fork) or croak $!; - if (!$pid) { - open STDOUT, '>&', $base or croak $!; - print STDOUT 'link ' if ($fb->{mode_a} == 120000); - exec qw/git-cat-file blob/, $fb->{blob} or croak $!; - } - waitpid $pid, 0; - croak $? if $?; + print $base 'link ' if ($fb->{mode_a} == 120000); + my $size = $::_repository->cat_blob($fb->{blob}, $base); + die "Failed to read object $fb->{blob}" if ($size < 0); if (defined $exp) { seek $base, 0, 0 or croak $!; @@ -3221,14 +3232,21 @@ sub close_file { sysseek($fh, 0, 0) or croak $!; } } - defined(my $pid = open my $out,'-|') or die "Can't fork: $!\n"; - if (!$pid) { - open STDIN, '<&', $fh or croak $!; - exec qw/git-hash-object -w --stdin/ or croak $!; + + my ($tmp_fh, $tmp_filename) = File::Temp::tempfile(UNLINK => 1); + my $result; + while ($result = sysread($fh, my $string, 1024)) { + my $wrote = syswrite($tmp_fh, $string, $result); + defined($wrote) && $wrote == $result + or croak("write $tmp_filename: $!\n"); } - chomp($hash = do { local $/; <$out> }); - close $out or croak $!; + defined $result or croak $!; + close $tmp_fh or croak $!; + close $fh or croak $!; + + $hash = $::_repository->hash_and_insert_object($tmp_filename); + unlink($tmp_filename); $hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n"; close $fb->{base} or croak $!; } else { @@ -3554,13 +3572,8 @@ sub chg_file { } elsif ($m->{mode_a} =~ /^120/ && $m->{mode_b} !~ /^120/) { $self->change_file_prop($fbat,'svn:special',undef); } - defined(my $pid = fork) or croak $!; - if (!$pid) { - open STDOUT, '>&', $fh or croak $!; - exec qw/git-cat-file blob/, $m->{sha1_b} or croak $!; - } - waitpid $pid, 0; - croak $? if $?; + my $size = $::_repository->cat_blob($m->{sha1_b}, $fh); + croak "Failed to read object $m->{sha1_b}" if ($size < 0); $fh->flush == 0 or croak $!; seek $fh, 0, 0 or croak $!; @@ -4687,8 +4700,7 @@ sub minimize_connections { # skip existing cases where we already connect to the root if (($ra->{url} eq $ra->{repos_root}) || - (Git::SVN::sanitize_remote_name($ra->{repos_root}) eq - $repo_id)) { + ($ra->{repos_root} eq $repo_id)) { $root_repos->{$ra->{url}} = $repo_id; next; } @@ -4727,8 +4739,7 @@ sub minimize_connections { foreach my $url (keys %$new_urls) { # see if we can re-use an existing [svn-remote "repo_id"] # instead of creating a(n ugly) new section: - my $repo_id = $root_repos->{$url} || - Git::SVN::sanitize_remote_name($url); + my $repo_id = $root_repos->{$url} || $url; my $fetch = $new_urls->{$url}; foreach my $path (keys %$fetch) { @@ -6,6 +6,9 @@ const char git_usage_string[] = "git [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate|--no-pager] [--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE] [--help] COMMAND [ARGS]"; +const char git_more_info_string[] = + "See 'git help COMMAND' for more information on a specific command."; + static int handle_options(const char*** argv, int* argc, int* envchanged) { int handled = 0; @@ -283,9 +286,10 @@ static void handle_internal_command(int argc, const char **argv) { "checkout-index", cmd_checkout_index, RUN_SETUP | NEED_WORK_TREE}, { "check-ref-format", cmd_check_ref_format }, - { "check-attr", cmd_check_attr, RUN_SETUP | NEED_WORK_TREE }, + { "check-attr", cmd_check_attr, RUN_SETUP }, { "cherry", cmd_cherry, RUN_SETUP }, { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, + { "clone", cmd_clone }, { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE }, { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, { "commit-tree", cmd_commit_tree, RUN_SETUP }, @@ -293,7 +297,7 @@ static void handle_internal_command(int argc, const char **argv) { "count-objects", cmd_count_objects, RUN_SETUP }, { "describe", cmd_describe, RUN_SETUP }, { "diff", cmd_diff }, - { "diff-files", cmd_diff_files }, + { "diff-files", cmd_diff_files, RUN_SETUP }, { "diff-index", cmd_diff_index, RUN_SETUP }, { "diff-tree", cmd_diff_tree, RUN_SETUP }, { "fast-export", cmd_fast_export, RUN_SETUP }, @@ -365,6 +369,16 @@ static void handle_internal_command(int argc, const char **argv) { "pack-refs", cmd_pack_refs, RUN_SETUP }, }; int i; + static const char ext[] = STRIP_EXTENSION; + + if (sizeof(ext) > 1) { + i = strlen(argv[0]) - strlen(ext); + if (i > 0 && !strcmp(argv[0] + i, ext)) { + char *argv0 = strdup(argv[0]); + argv[0] = cmd = argv0; + argv0[i] = '\0'; + } + } /* Turn "git cmd --help" into "git help cmd" */ if (argc > 1 && !strcmp(argv[1], "--help")) { @@ -380,10 +394,40 @@ static void handle_internal_command(int argc, const char **argv) } } +static void execv_dashed_external(const char **argv) +{ + struct strbuf cmd; + const char *tmp; + + strbuf_init(&cmd, 0); + strbuf_addf(&cmd, "git-%s", argv[0]); + + /* + * argv[0] must be the git command, but the argv array + * belongs to the caller, and may be reused in + * subsequent loop iterations. Save argv[0] and + * restore it on error. + */ + tmp = argv[0]; + argv[0] = cmd.buf; + + trace_argv_printf(argv, "trace: exec:"); + + /* execvp() can only ever return if it fails */ + execvp(cmd.buf, (char **)argv); + + trace_printf("trace: exec failed: %s\n", strerror(errno)); + + argv[0] = tmp; + + strbuf_release(&cmd); +} + + int main(int argc, const char **argv) { - const char *cmd = argv[0] ? argv[0] : "git-help"; - char *slash = strrchr(cmd, '/'); + const char *cmd = argv[0] && *argv[0] ? argv[0] : "git-help"; + char *slash = (char *)cmd + strlen(cmd); const char *cmd_path = NULL; int done_alias = 0; @@ -392,7 +436,10 @@ int main(int argc, const char **argv) * name, and the dirname as the default exec_path * if we don't have anything better. */ - if (slash) { + do + --slash; + while (cmd <= slash && !is_dir_sep(*slash)); + if (cmd <= slash) { *slash++ = 0; cmd_path = cmd; cmd = slash; @@ -426,6 +473,7 @@ int main(int argc, const char **argv) /* The user didn't specify a command; give them help */ printf("usage: %s\n\n", git_usage_string); list_common_cmds_help(); + printf("\n%s\n", git_more_info_string); exit(1); } cmd = argv[0]; @@ -443,7 +491,7 @@ int main(int argc, const char **argv) handle_internal_command(argc, argv); /* .. then try the external ones */ - execv_git_cmd(argv); + execv_dashed_external(argv); /* It could be an alias -- this works around the insanity * of overriding "git log" with "git show" by having diff --git a/git.spec.in b/git.spec.in index 97a26be29a..c6492e5be2 100644 --- a/git.spec.in +++ b/git.spec.in @@ -12,7 +12,7 @@ BuildRequires: zlib-devel >= 1.2, openssl-devel, curl-devel, expat-devel, gettex BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) Requires: perl-Git = %{version}-%{release} -Requires: zlib >= 1.2, rsync, curl, less, openssh-clients, expat +Requires: zlib >= 1.2, rsync, less, openssh-clients, expat Provides: git-core = %{version}-%{release} Obsoletes: git-core <= 1.5.4.2 Obsoletes: git-p4 @@ -117,6 +117,7 @@ find $RPM_BUILD_ROOT -type f -name '*.bs' -empty -exec rm -f {} ';' find $RPM_BUILD_ROOT -type f -name perllocal.pod -exec rm -f {} ';' (find $RPM_BUILD_ROOT%{_bindir} -type f | grep -vE "archimport|svn|cvs|email|gitk|git-gui|git-citool" | sed -e s@^$RPM_BUILD_ROOT@@) > bin-man-doc-files +(find $RPM_BUILD_ROOT%{_libexecdir}/git-core -type f | grep -vE "archimport|svn|cvs|email|gitk|git-gui|git-citool" | sed -e s@^$RPM_BUILD_ROOT@@) >> bin-man-doc-files (find $RPM_BUILD_ROOT%{perl_vendorlib} -type f | sed -e s@^$RPM_BUILD_ROOT@@) >> perl-files %if %{!?_without_docs:1}0 (find $RPM_BUILD_ROOT%{_mandir} $RPM_BUILD_ROOT/Documentation -type f | grep -vE "archimport|svn|git-cvs|email|gitk|git-gui|git-citool" | sed -e s@^$RPM_BUILD_ROOT@@ -e 's/$/*/' ) >> bin-man-doc-files @@ -136,7 +137,7 @@ rm -rf $RPM_BUILD_ROOT %files svn %defattr(-,root,root) -%{_bindir}/*svn* +%{_libexecdir}/git-core/*svn* %doc Documentation/*svn*.txt %{!?_without_docs: %{_mandir}/man1/*svn*.1*} %{!?_without_docs: %doc Documentation/*svn*.html } @@ -144,28 +145,28 @@ rm -rf $RPM_BUILD_ROOT %files cvs %defattr(-,root,root) %doc Documentation/*git-cvs*.txt -%{_bindir}/*cvs* +%{_libexecdir}/git-core/*cvs* %{!?_without_docs: %{_mandir}/man1/*cvs*.1*} %{!?_without_docs: %doc Documentation/*git-cvs*.html } %files arch %defattr(-,root,root) %doc Documentation/git-archimport.txt -%{_bindir}/git-archimport +%{_libexecdir}/git-core/git-archimport %{!?_without_docs: %{_mandir}/man1/git-archimport.1*} %{!?_without_docs: %doc Documentation/git-archimport.html } %files email %defattr(-,root,root) %doc Documentation/*email*.txt -%{_bindir}/*email* +%{_libexecdir}/git-core/*email* %{!?_without_docs: %{_mandir}/man1/*email*.1*} %{!?_without_docs: %doc Documentation/*email*.html } %files gui %defattr(-,root,root) -%{_bindir}/git-gui -%{_bindir}/git-citool +%{_libexecdir}/git-core/git-gui +%{_libexecdir}/git-core/git-citool %{_datadir}/git-gui/ %{!?_without_docs: %{_mandir}/man1/git-gui.1*} %{!?_without_docs: %doc Documentation/git-gui.html} @@ -187,6 +188,9 @@ rm -rf $RPM_BUILD_ROOT # No files for you! %changelog +* Sun Jun 15 2008 Junio C Hamano <gitster@pobox.com> +- Remove curl from Requires list. + * Fri Feb 15 2008 Kristian Høgsberg <krh@redhat.com> - Rename git-core to just git and rename meta package from git to git-all. diff --git a/gitk-git/gitk b/gitk-git/gitk index 9ab6dbaa46..fddcb45817 100644 --- a/gitk-git/gitk +++ b/gitk-git/gitk @@ -296,7 +296,7 @@ proc start_rev_list {view} { global startmsecs commitidx viewcomplete curview global commfd leftover tclencoding global viewargs viewargscmd viewfiles vfilelimit - global showlocalchanges commitinterest mainheadid + global showlocalchanges commitinterest global viewactive loginstance viewinstances vmergeonly global pending_select mainheadid global vcanopt vflags vrevs vorigargs @@ -358,7 +358,7 @@ proc start_rev_list {view} { set viewinstances($view) [list $i] set commfd($i) $fd set leftover($i) {} - if {$showlocalchanges} { + if {$showlocalchanges && $mainheadid ne {}} { lappend commitinterest($mainheadid) {dodiffindex} } fconfigure $fd -blocking 0 -translation lf -eofchar {} @@ -406,7 +406,7 @@ proc getcommits {} { proc updatecommits {} { global curview vcanopt vorigargs vfilelimit viewinstances - global viewactive viewcomplete loginstance tclencoding mainheadid + global viewactive viewcomplete loginstance tclencoding global startmsecs commfd showneartags showlocalchanges leftover global mainheadid pending_select global isworktree @@ -495,7 +495,7 @@ proc reloadcommits {} { stop_rev_list $curview } resetvarcs $curview - catch {unset selectedline} + set selectedline {} catch {unset currentid} catch {unset thickerline} catch {unset treediffs} @@ -927,7 +927,7 @@ proc removefakerow {id} { modify_arc $v $a $i if {[info exist currentid] && $id eq $currentid} { unset currentid - unset selectedline + set selectedline {} } if {[info exists targetid] && $targetid eq $id} { set targetid $p @@ -1467,7 +1467,6 @@ proc chewcommits {} { if {$viewcomplete($curview)} { global commitidx varctok global numcommits startmsecs - global mainheadid nullid if {[info exists pending_select]} { set row [first_real_row] @@ -1604,12 +1603,10 @@ proc readrefs {} { set mainhead {} set mainheadid {} catch { + set mainheadid [exec git rev-parse HEAD] set thehead [exec git symbolic-ref HEAD] if {[string match "refs/heads/*" $thehead]} { set mainhead [string range $thehead 11 end] - if {[info exists headids($mainhead)]} { - set mainheadid $headids($mainhead) - } } } } @@ -1838,7 +1835,7 @@ proc makewindow {} { pack .tf.bar.rowlabel .tf.bar.rownum .tf.bar.rowlabel2 .tf.bar.numcommits \ -side left global selectedline - trace add variable selectedline {write unset} selectedline_change + trace add variable selectedline write selectedline_change # Status label and progress bar set statusw .tf.bar.status @@ -2185,7 +2182,7 @@ proc windows_mousewheel_redirector {W X Y D} { proc selectedline_change {n1 n2 op} { global selectedline rownumsel - if {$op eq "unset"} { + if {$selectedline eq {}} { set rownumsel {} } else { set rownumsel [expr {$selectedline + 1}] @@ -3274,7 +3271,7 @@ proc showview {n} { set ytop [expr {[lindex $span 0] * $ymax}] set ybot [expr {[lindex $span 1] * $ymax}] set yscreen [expr {($ybot - $ytop) / 2}] - if {[info exists selectedline]} { + if {$selectedline ne {}} { set selid $currentid set y [yc $selectedline] if {$ytop < $y && $y < $ybot} { @@ -3388,7 +3385,7 @@ proc bolden {row font} { lappend boldrows $row $canv itemconf $linehtag($row) -font $font - if {[info exists selectedline] && $row == $selectedline} { + if {$row == $selectedline} { $canv delete secsel set t [eval $canv create rect [$canv bbox $linehtag($row)] \ -outline {{}} -tags secsel \ @@ -3402,7 +3399,7 @@ proc bolden_name {row font} { lappend boldnamerows $row $canv2 itemconf $linentag($row) -font $font - if {[info exists selectedline] && $row == $selectedline} { + if {$row == $selectedline} { $canv2 delete secsel set t [eval $canv2 create rect [$canv2 bbox $linentag($row)] \ -outline {{}} -tags secsel \ @@ -3831,7 +3828,7 @@ proc askrelhighlight {row id} { global descendent highlight_related iddrawn rhighlights global selectedline ancestor - if {![info exists selectedline]} return + if {$selectedline eq {}} return set isbold 0 if {$highlight_related eq [mc "Descendant"] || $highlight_related eq [mc "Not descendant"]} { @@ -4005,7 +4002,7 @@ proc visiblerows {} { proc layoutmore {} { global commitidx viewcomplete curview - global numcommits pending_select selectedline curview + global numcommits pending_select curview global lastscrollset lastscrollrows commitinterest if {$lastscrollrows < 100 || $viewcomplete($curview) || @@ -4022,6 +4019,7 @@ proc layoutmore {} { proc doshowlocalchanges {} { global curview mainheadid + if {$mainheadid eq {}} return if {[commitinview $mainheadid $curview]} { dodiffindex } else { @@ -4841,7 +4839,8 @@ proc drawcmittext {id row col} { global cmitlisted commitinfo rowidlist parentlist global rowtextx idpos idtags idheads idotherrefs global linehtag linentag linedtag selectedline - global canvxmax boldrows boldnamerows fgcolor nullid nullid2 + global canvxmax boldrows boldnamerows fgcolor + global mainheadid nullid nullid2 circleitem circlecolors # listed is 0 for boundary, 1 for normal, 2 for negative, 3 for left, 4 for right set listed $cmitlisted($curview,$id) @@ -4849,8 +4848,10 @@ proc drawcmittext {id row col} { set ofill red } elseif {$id eq $nullid2} { set ofill green + } elseif {$id eq $mainheadid} { + set ofill yellow } else { - set ofill [expr {$listed != 0 ? $listed == 2 ? "gray" : "blue" : "white"}] + set ofill [lindex $circlecolors $listed] } set x [xc $row $col] set y [yc $row] @@ -4874,6 +4875,7 @@ proc drawcmittext {id row col} { [expr {$x - $orad}] [expr {$y + $orad - 1}] \ -fill $ofill -outline $fgcolor -width 1 -tags circle] } + set circleitem($row) $t $canv raise $t $canv bind $t <1> {selcanvline {} %x %y} set rmx [llength [lindex $rowidlist $row]] @@ -4916,7 +4918,7 @@ proc drawcmittext {id row col} { -text $name -font $nfont -tags text] set linedtag($row) [$canv3 create text 3 $y -anchor w -fill $fgcolor \ -text $date -font mainfont -tags text] - if {[info exists selectedline] && $selectedline == $row} { + if {$selectedline == $row} { make_secsel $row } set xr [expr {$xt + [font measure $font $headline]}] @@ -5107,7 +5109,7 @@ proc drawvisible {} { if {$endrow >= $vrowmod($curview)} { update_arcrows $curview } - if {[info exists selectedline] && + if {$selectedline ne {} && $row <= $selectedline && $selectedline <= $endrow} { set targetrow $selectedline } elseif {[info exists targetid]} { @@ -5125,10 +5127,16 @@ proc drawvisible {} { proc clear_display {} { global iddrawn linesegs need_redisplay nrows_drawn global vhighlights fhighlights nhighlights rhighlights + global linehtag linentag linedtag boldrows boldnamerows allcanvs delete all catch {unset iddrawn} catch {unset linesegs} + catch {unset linehtag} + catch {unset linentag} + catch {unset linedtag} + set boldrows {} + set boldnamerows {} catch {unset vhighlights} catch {unset fhighlights} catch {unset nhighlights} @@ -5423,7 +5431,7 @@ proc dofind {{dirn 1} {wrap 1}} { } focus . if {$findstring eq {} || $numcommits == 0} return - if {![info exists selectedline]} { + if {$selectedline eq {}} { set findstartline [lindex [visiblerows] [expr {$dirn < 0}]] } else { set findstartline $selectedline @@ -5619,7 +5627,7 @@ proc markmatches {canv l str tag matches font row} { [expr {$x0+$xlen+2}] $y1 \ -outline {} -tags [list match$l matches] -fill yellow] $canv lower $t - if {[info exists selectedline] && $row == $selectedline} { + if {$row == $selectedline} { $canv raise $t secsel } } @@ -5778,7 +5786,7 @@ proc appendrefs {pos ids var} { proc dispneartags {delay} { global selectedline currentid showneartags tagphase - if {![info exists selectedline] || !$showneartags} return + if {$selectedline eq {} || !$showneartags} return after cancel dispnexttag if {$delay} { after 200 dispnexttag @@ -5792,7 +5800,7 @@ proc dispneartags {delay} { proc dispnexttag {} { global selectedline currentid showneartags tagphase ctext - if {![info exists selectedline] || !$showneartags} return + if {$selectedline eq {} || !$showneartags} return switch -- $tagphase { 0 { set dtags [desctags $currentid] @@ -6014,7 +6022,7 @@ proc sellastline {} { proc selnextline {dir} { global selectedline focus . - if {![info exists selectedline]} return + if {$selectedline eq {}} return set l [expr {$selectedline + $dir}] unmarkmatches selectline $l 1 @@ -6029,7 +6037,7 @@ proc selnextpage {dir} { } allcanvs yview scroll [expr {$dir * $lpp}] units drawvisible - if {![info exists selectedline]} return + if {$selectedline eq {}} return set l [expr {$selectedline + $dir * $lpp}] if {$l < 0} { set l 0 @@ -6043,7 +6051,7 @@ proc selnextpage {dir} { proc unselectline {} { global selectedline currentid - catch {unset selectedline} + set selectedline {} catch {unset currentid} allcanvs delete secsel rhighlight_none @@ -6052,7 +6060,7 @@ proc unselectline {} { proc reselectline {} { global selectedline - if {[info exists selectedline]} { + if {$selectedline ne {}} { selectline $selectedline 0 } } @@ -6864,7 +6872,7 @@ proc redisplay {} { setcanvscroll allcanvs yview moveto [lindex $span 0] drawvisible - if {[info exists selectedline]} { + if {$selectedline ne {}} { selectline $selectedline 0 allcanvs yview moveto [lindex $span 0] } @@ -7185,8 +7193,7 @@ proc rowmenu {x y id} { stopfinding set rowmenuid $id - if {![info exists selectedline] - || [rowofcommit $id] eq $selectedline} { + if {$selectedline eq {} || [rowofcommit $id] eq $selectedline} { set state disabled } else { set state normal @@ -7210,7 +7217,7 @@ proc rowmenu {x y id} { proc diffvssel {dirn} { global rowmenuid selectedline - if {![info exists selectedline]} return + if {$selectedline eq {}} return if {$dirn} { set oldid [commitonrow $selectedline] set newid $rowmenuid @@ -7394,12 +7401,18 @@ proc domktag {} { } proc redrawtags {id} { - global canv linehtag idpos currentid curview - global canvxmax iddrawn + global canv linehtag idpos currentid curview cmitlisted + global canvxmax iddrawn circleitem mainheadid circlecolors if {![commitinview $id $curview]} return if {![info exists iddrawn($id)]} return set row [rowofcommit $id] + if {$id eq $mainheadid} { + set ofill yellow + } else { + set ofill [lindex $circlecolors $cmitlisted($curview,$id)] + } + $canv itemconf $circleitem($row) -fill $ofill $canv delete tag.$id set xt [eval drawtags $id $idpos($id)] $canv coords $linehtag($row) $xt [lindex $idpos($id) 2] @@ -7569,8 +7582,8 @@ proc cherrypick {} { if {$mainhead ne {}} { movehead $newhead $mainhead movedhead $newhead $mainhead - set mainheadid $newhead } + set mainheadid $newhead redrawtags $oldhead redrawtags $newhead selbyid $newhead @@ -7670,7 +7683,7 @@ proc headmenu {x y id head} { } proc cobranch {} { - global headmenuid headmenuhead mainhead headids + global headmenuid headmenuhead headids global showlocalchanges mainheadid # check the tree is clean first?? @@ -7706,12 +7719,10 @@ proc readcheckoutstat {fd newhead newheadid} { if {[catch {close $fd} err]} { error_popup $err } - set oldmainhead $mainhead + set oldmainid $mainheadid set mainhead $newhead set mainheadid $newheadid - if {[info exists headids($oldmainhead)]} { - redrawtags $headids($oldmainhead) - } + redrawtags $oldmainid redrawtags $newheadid selbyid $newheadid if {$showlocalchanges} { @@ -9011,12 +9022,14 @@ proc rereadrefs {} { [array names idheads] [array names idotherrefs]]] foreach id $refids { set v [listrefs $id] - if {![info exists ref($id)] || $ref($id) != $v || - ($id eq $oldmainhead && $id ne $mainheadid) || - ($id eq $mainheadid && $id ne $oldmainhead)} { + if {![info exists ref($id)] || $ref($id) != $v} { redrawtags $id } } + if {$oldmainhead ne $mainheadid} { + redrawtags $oldmainhead + redrawtags $mainheadid + } run refill_reflist } @@ -9756,6 +9769,8 @@ set diffcontext 3 set ignorespace 0 set selectbgcolor gray85 +set circlecolors {white blue gray blue blue} + ## For msgcat loading, first locate the installation location. if { [info exists ::env(GITK_MSGSDIR)] } { ## Msgsdir was manually set in the environment. @@ -9886,6 +9901,7 @@ set viewperm(0) 0 set viewargs(0) {} set viewargscmd(0) {} +set selectedline {} set numcommits 0 set loginstance 0 set cmdlineok 0 diff --git a/gitk-git/gitk-git/po/es.po b/gitk-git/po/es.po index 2cb1486247..2cb1486247 100644 --- a/gitk-git/gitk-git/po/es.po +++ b/gitk-git/po/es.po diff --git a/gitweb/README b/gitweb/README index 8f7ea367ba..356ab7b327 100644 --- a/gitweb/README +++ b/gitweb/README @@ -255,12 +255,15 @@ Webserver configuration If you want to have one URL for both gitweb and your http:// repositories, you can configure apache like this: -<VirtualHost www:80> - ServerName git.domain.org +<VirtualHost *:80> + ServerName git.example.org DocumentRoot /pub/git - RewriteEngine on - RewriteRule ^/(.*\.git/(?!/?(info|objects|refs)).*)?$ /cgi-bin/gitweb.cgi%{REQUEST_URI} [L,PT] SetEnv GITWEB_CONFIG /etc/gitweb.conf + RewriteEngine on + # make the front page an internal rewrite to the gitweb script + RewriteRule ^/$ /cgi-bin/gitweb.cgi + # make access for "dumb clients" work + RewriteRule ^/(.*\.git/(?!/?(HEAD|info|objects|refs)).*)?$ /cgi-bin/gitweb.cgi%{REQUEST_URI} [L,PT] </VirtualHost> The above configuration expects your public repositories to live under @@ -276,6 +279,13 @@ override the defaults given at the head of the gitweb.perl (or gitweb.cgi). Look at the comments in that file for information on which variables and what they mean. +If you use the rewrite rules from the example you'll likely also need +something like the following in your gitweb.conf (or gitweb_config.perl) file: + + @stylesheets = ("/some/absolute/path/gitweb.css"); + $my_uri = "/"; + $home_link = "/"; + Originally written by: Kay Sievers <kay.sievers@vrfy.org> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 2facf2db7a..90cd99bf91 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -377,7 +377,7 @@ if (-e $GITWEB_CONFIG) { } # version of the core git binary -our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown"; +our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown"; $projects_list ||= $projectroot; @@ -386,7 +386,7 @@ $projects_list ||= $projectroot; our $action = $cgi->param('a'); if (defined $action) { if ($action =~ m/[^0-9a-zA-Z\.\-_]/) { - die_error(undef, "Invalid action parameter"); + die_error(400, "Invalid action parameter"); } } @@ -399,21 +399,21 @@ if (defined $project) { ($export_ok && !(-e "$projectroot/$project/$export_ok")) || ($strict_export && !project_in_list($project))) { undef $project; - die_error(undef, "No such project"); + die_error(404, "No such project"); } } our $file_name = $cgi->param('f'); if (defined $file_name) { if (!validate_pathname($file_name)) { - die_error(undef, "Invalid file parameter"); + die_error(400, "Invalid file parameter"); } } our $file_parent = $cgi->param('fp'); if (defined $file_parent) { if (!validate_pathname($file_parent)) { - die_error(undef, "Invalid file parent parameter"); + die_error(400, "Invalid file parent parameter"); } } @@ -421,21 +421,21 @@ if (defined $file_parent) { our $hash = $cgi->param('h'); if (defined $hash) { if (!validate_refname($hash)) { - die_error(undef, "Invalid hash parameter"); + die_error(400, "Invalid hash parameter"); } } our $hash_parent = $cgi->param('hp'); if (defined $hash_parent) { if (!validate_refname($hash_parent)) { - die_error(undef, "Invalid hash parent parameter"); + die_error(400, "Invalid hash parent parameter"); } } our $hash_base = $cgi->param('hb'); if (defined $hash_base) { if (!validate_refname($hash_base)) { - die_error(undef, "Invalid hash base parameter"); + die_error(400, "Invalid hash base parameter"); } } @@ -447,10 +447,10 @@ our @extra_options = $cgi->param('opt'); if (defined @extra_options) { foreach my $opt (@extra_options) { if (not exists $allowed_options{$opt}) { - die_error(undef, "Invalid option parameter"); + die_error(400, "Invalid option parameter"); } if (not grep(/^$action$/, @{$allowed_options{$opt}})) { - die_error(undef, "Invalid option parameter for this action"); + die_error(400, "Invalid option parameter for this action"); } } } @@ -458,7 +458,7 @@ if (defined @extra_options) { our $hash_parent_base = $cgi->param('hpb'); if (defined $hash_parent_base) { if (!validate_refname($hash_parent_base)) { - die_error(undef, "Invalid hash parent base parameter"); + die_error(400, "Invalid hash parent base parameter"); } } @@ -466,14 +466,14 @@ if (defined $hash_parent_base) { our $page = $cgi->param('pg'); if (defined $page) { if ($page =~ m/[^0-9]/) { - die_error(undef, "Invalid page parameter"); + die_error(400, "Invalid page parameter"); } } our $searchtype = $cgi->param('st'); if (defined $searchtype) { if ($searchtype =~ m/[^a-z]/) { - die_error(undef, "Invalid searchtype parameter"); + die_error(400, "Invalid searchtype parameter"); } } @@ -483,7 +483,7 @@ our $searchtext = $cgi->param('s'); our $search_regexp; if (defined $searchtext) { if (length($searchtext) < 2) { - die_error(undef, "At least two characters are required for search parameter"); + die_error(403, "At least two characters are required for search parameter"); } $search_regexp = $search_use_regexp ? $searchtext : quotemeta $searchtext; } @@ -539,7 +539,7 @@ $git_dir = "$projectroot/$project" if $project; # dispatch my %actions = ( - "blame" => \&git_blame2, + "blame" => \&git_blame, "blobdiff" => \&git_blobdiff, "blobdiff_plain" => \&git_blobdiff_plain, "blob" => \&git_blob, @@ -580,11 +580,11 @@ if (!defined $action) { } } if (!defined($actions{$action})) { - die_error(undef, "Unknown action"); + die_error(400, "Unknown action"); } if ($action !~ m/^(opml|project_list|project_index)$/ && !$project) { - die_error(undef, "Project needed"); + die_error(400, "Project needed"); } $actions{$action}->(); exit; @@ -866,6 +866,10 @@ sub chop_str { my $add_len = shift || 10; my $where = shift || 'right'; # 'left' | 'center' | 'right' + # Make sure perl knows it is utf8 encoded so we don't + # cut in the middle of a utf8 multibyte char. + $str = to_utf8($str); + # allow only $len chars, but don't cut a word if it would fit in $add_len # if it doesn't fit, cut it if it's still longer than the dots we would add # remove chopped character entities entirely @@ -1496,9 +1500,13 @@ sub git_cmd { return $GIT, '--git-dir='.$git_dir; } -# returns path to the core git executable and the --git-dir parameter as string -sub git_cmd_str { - return join(' ', git_cmd()); +# quote the given arguments for passing them to the shell +# quote_command("command", "arg 1", "arg with ' and ! characters") +# => "'command' 'arg 1' 'arg with '\'' and '\!' characters'" +# Try to avoid using this function wherever possible. +sub quote_command { + return join(' ', + map( { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ )); } # get HEAD ref of given project as hash @@ -1657,7 +1665,7 @@ sub git_get_hash_by_path { $path =~ s,/+$,,; open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path - or die_error(undef, "Open git-ls-tree failed"); + or die_error(500, "Open git-ls-tree failed"); my $line = <$fd>; close $fd or return undef; @@ -2119,7 +2127,7 @@ sub parse_commit { "--max-count=1", $commit_id, "--", - or die_error(undef, "Open git-rev-list failed"); + or die_error(500, "Open git-rev-list failed"); %co = parse_commit_text(<$fd>, 1); close $fd; @@ -2144,7 +2152,7 @@ sub parse_commits { $commit_id, "--", ($filename ? ($filename) : ()) - or die_error(undef, "Open git-rev-list failed"); + or die_error(500, "Open git-rev-list failed"); while (my $line = <$fd>) { my %co = parse_commit_text($line); push @cos, \%co; @@ -2154,49 +2162,6 @@ sub parse_commits { return wantarray ? @cos : \@cos; } -# parse ref from ref_file, given by ref_id, with given type -sub parse_ref { - my $ref_file = shift; - my $ref_id = shift; - my $type = shift || git_get_type($ref_id); - my %ref_item; - - $ref_item{'type'} = $type; - $ref_item{'id'} = $ref_id; - $ref_item{'epoch'} = 0; - $ref_item{'age'} = "unknown"; - if ($type eq "tag") { - my %tag = parse_tag($ref_id); - $ref_item{'comment'} = $tag{'comment'}; - if ($tag{'type'} eq "commit") { - my %co = parse_commit($tag{'object'}); - $ref_item{'epoch'} = $co{'committer_epoch'}; - $ref_item{'age'} = $co{'age_string'}; - } elsif (defined($tag{'epoch'})) { - my $age = time - $tag{'epoch'}; - $ref_item{'epoch'} = $tag{'epoch'}; - $ref_item{'age'} = age_string($age); - } - $ref_item{'reftype'} = $tag{'type'}; - $ref_item{'name'} = $tag{'name'}; - $ref_item{'refid'} = $tag{'object'}; - } elsif ($type eq "commit"){ - my %co = parse_commit($ref_id); - $ref_item{'reftype'} = "commit"; - $ref_item{'name'} = $ref_file; - $ref_item{'title'} = $co{'title'}; - $ref_item{'refid'} = $ref_id; - $ref_item{'epoch'} = $co{'committer_epoch'}; - $ref_item{'age'} = $co{'age_string'}; - } else { - $ref_item{'reftype'} = $type; - $ref_item{'name'} = $ref_file; - $ref_item{'refid'} = $ref_id; - } - - return %ref_item; -} - # parse line of git-diff-tree "raw" output sub parse_difftree_raw_line { my $line = shift; @@ -2477,8 +2442,7 @@ sub blob_mimetype { return $default_blob_plain_mimetype unless $fd; if (-T $fd) { - return 'text/plain' . - ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : ''); + return 'text/plain'; } elsif (! $filename) { return 'application/octet-stream'; } elsif ($filename =~ m/\.png$/i) { @@ -2492,6 +2456,17 @@ sub blob_mimetype { } } +sub blob_contenttype { + my ($fd, $file_name, $type) = @_; + + $type ||= blob_mimetype($fd, $file_name); + if ($type eq 'text/plain' && defined $default_text_plain_charset) { + $type .= "; charset=$default_text_plain_charset"; + } + + return $type; +} + ## ====================================================================== ## functions printing HTML: header, footer, error page @@ -2619,7 +2594,7 @@ EOF print "</div>\n"; my ($have_search) = gitweb_check_feature('search'); - if ((defined $project) && ($have_search)) { + if (defined $project && $have_search) { if (!defined $searchtext) { $searchtext = ""; } @@ -2635,16 +2610,13 @@ EOF my ($use_pathinfo) = gitweb_check_feature('pathinfo'); if ($use_pathinfo) { $action .= "/".esc_url($project); - } else { - $cgi->param("p", $project); } - $cgi->param("a", "search"); - $cgi->param("h", $search_hash); print $cgi->startform(-method => "get", -action => $action) . "<div class=\"search\">\n" . - (!$use_pathinfo && $cgi->hidden(-name => "p") . "\n") . - $cgi->hidden(-name => "a") . "\n" . - $cgi->hidden(-name => "h") . "\n" . + (!$use_pathinfo && + $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") . + $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" . + $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" . $cgi->popup_menu(-name => 'st', -default => 'commit', -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) . $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) . @@ -2700,11 +2672,26 @@ sub git_footer_html { "</html>"; } +# die_error(<http_status_code>, <error_message>) +# Example: die_error(404, 'Hash not found') +# By convention, use the following status codes (as defined in RFC 2616): +# 400: Invalid or missing CGI parameters, or +# requested object exists but has wrong type. +# 403: Requested feature (like "pickaxe" or "snapshot") not enabled on +# this server or project. +# 404: Requested object/revision/project doesn't exist. +# 500: The server isn't configured properly, or +# an internal error occurred (e.g. failed assertions caused by bugs), or +# an unknown error occurred (e.g. the git binary died unexpectedly). sub die_error { - my $status = shift || "403 Forbidden"; - my $error = shift || "Malformed query, file missing or permission denied"; - - git_header_html($status); + my $status = shift || 500; + my $error = shift || "Internal server error"; + + my %http_responses = (400 => '400 Bad Request', + 403 => '403 Forbidden', + 404 => '404 Not Found', + 500 => '500 Internal Server Error'); + git_header_html($http_responses{$status}); print <<EOF; <div class="page_body"> <br /><br /> @@ -2752,7 +2739,7 @@ sub git_print_page_nav { } sub format_paging_nav { - my ($action, $hash, $head, $page, $nrevs) = @_; + my ($action, $hash, $head, $page, $has_next_link) = @_; my $paging_nav; @@ -2770,7 +2757,7 @@ sub format_paging_nav { $paging_nav .= " ⋅ prev"; } - if ($nrevs >= (100 * ($page+1)-1)) { + if ($has_next_link) { $paging_nav .= " ⋅ " . $cgi->a({-href => href(-replay=>1, page=>$page+1), -accesskey => "n", -title => "Alt-n"}, "next"); @@ -3548,21 +3535,24 @@ sub git_patchset_body { # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -sub git_project_list_body { - my ($projlist, $order, $from, $to, $extra, $no_header) = @_; - - my ($check_forks) = gitweb_check_feature('forks'); - +# fills project list info (age, description, owner, forks) for each +# project in the list, removing invalid projects from returned list +# NOTE: modifies $projlist, but does not remove entries from it +sub fill_project_list_info { + my ($projlist, $check_forks) = @_; my @projects; + + PROJECT: foreach my $pr (@$projlist) { - my (@aa) = git_get_last_activity($pr->{'path'}); - unless (@aa) { - next; + my (@activity) = git_get_last_activity($pr->{'path'}); + unless (@activity) { + next PROJECT; } - ($pr->{'age'}, $pr->{'age_string'}) = @aa; + ($pr->{'age'}, $pr->{'age_string'}) = @activity; if (!defined $pr->{'descr'}) { my $descr = git_get_project_description($pr->{'path'}) || ""; - $pr->{'descr_long'} = to_utf8($descr); + $descr = to_utf8($descr); + $pr->{'descr_long'} = $descr; $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5); } if (!defined $pr->{'owner'}) { @@ -3574,14 +3564,52 @@ sub git_project_list_body { ($pname !~ /\/$/) && (-d "$projectroot/$pname")) { $pr->{'forks'} = "-d $projectroot/$pname"; - } - else { + } else { $pr->{'forks'} = 0; } } push @projects, $pr; } + return @projects; +} + +# print 'sort by' <th> element, either sorting by $key if $name eq $order +# (changing $list), or generating 'sort by $name' replay link otherwise +sub print_sort_th { + my ($str_sort, $name, $order, $key, $header, $list) = @_; + $key ||= $name; + $header ||= ucfirst($name); + + if ($order eq $name) { + if ($str_sort) { + @$list = sort {$a->{$key} cmp $b->{$key}} @$list; + } else { + @$list = sort {$a->{$key} <=> $b->{$key}} @$list; + } + print "<th>$header</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(-replay=>1, order=>$name), + -class => "header"}, $header) . + "</th>\n"; + } +} + +sub print_sort_th_str { + print_sort_th(1, @_); +} + +sub print_sort_th_num { + print_sort_th(0, @_); +} + +sub git_project_list_body { + my ($projlist, $order, $from, $to, $extra, $no_header) = @_; + + my ($check_forks) = gitweb_check_feature('forks'); + my @projects = fill_project_list_info($projlist, $check_forks); + $order ||= $default_projects_order; $from = 0 unless defined $from; $to = $#projects if (!defined $to || $#projects < $to); @@ -3592,43 +3620,15 @@ sub git_project_list_body { if ($check_forks) { print "<th></th>\n"; } - if ($order eq "project") { - @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects; - print "<th>Project</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'project'), - -class => "header"}, "Project") . - "</th>\n"; - } - if ($order eq "descr") { - @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects; - print "<th>Description</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'descr'), - -class => "header"}, "Description") . - "</th>\n"; - } - if ($order eq "owner") { - @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects; - print "<th>Owner</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'owner'), - -class => "header"}, "Owner") . - "</th>\n"; - } - if ($order eq "age") { - @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects; - print "<th>Last Change</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'age'), - -class => "header"}, "Last Change") . - "</th>\n"; - } - print "<th></th>\n" . + print_sort_th_str('project', $order, 'path', + 'Project', \@projects); + print_sort_th_str('descr', $order, 'descr_long', + 'Description', \@projects); + print_sort_th_str('owner', $order, 'owner', + 'Owner', \@projects); + print_sort_th_num('age', $order, 'age', + 'Last Change', \@projects); + print "<th></th>\n" . # for links "</tr>\n"; } my $alternate = 1; @@ -3952,12 +3952,12 @@ sub git_search_grep_body { sub git_project_list { my $order = $cgi->param('o'); if (defined $order && $order !~ m/none|project|descr|owner|age/) { - die_error(undef, "Unknown order parameter"); + die_error(400, "Unknown order parameter"); } my @list = git_get_projects_list(); if (!@list) { - die_error(undef, "No projects found"); + die_error(404, "No projects found"); } git_header_html(); @@ -3975,12 +3975,12 @@ sub git_project_list { sub git_forks { my $order = $cgi->param('o'); if (defined $order && $order !~ m/none|project|descr|owner|age/) { - die_error(undef, "Unknown order parameter"); + die_error(400, "Unknown order parameter"); } my @list = git_get_projects_list($project); if (!@list) { - die_error(undef, "No forks found"); + die_error(404, "No forks found"); } git_header_html(); @@ -4109,7 +4109,7 @@ sub git_tag { my %tag = parse_tag($hash); if (! %tag) { - die_error(undef, "Unknown tag object"); + die_error(404, "Unknown tag object"); } git_print_header_div('commit', esc_html($tag{'name'}), $hash); @@ -4141,30 +4141,29 @@ sub git_tag { git_footer_html(); } -sub git_blame2 { +sub git_blame { my $fd; my $ftype; - my ($have_blame) = gitweb_check_feature('blame'); - if (!$have_blame) { - die_error('403 Permission denied', "Permission denied"); - } - die_error('404 Not Found', "File name not defined") if (!$file_name); + gitweb_check_feature('blame') + or die_error(403, "Blame view not allowed"); + + die_error(400, "No file name given") unless $file_name; $hash_base ||= git_get_head_hash($project); - die_error(undef, "Couldn't find base commit") unless ($hash_base); + die_error(404, "Couldn't find base commit") unless ($hash_base); my %co = parse_commit($hash_base) - or die_error(undef, "Reading commit failed"); + or die_error(404, "Commit not found"); if (!defined $hash) { $hash = git_get_hash_by_path($hash_base, $file_name, "blob") - or die_error(undef, "Error looking up file"); + or die_error(404, "Error looking up file"); } $ftype = git_get_type($hash); if ($ftype !~ "blob") { - die_error('400 Bad Request', "Object is not a blob"); + die_error(400, "Object is not a blob"); } open ($fd, "-|", git_cmd(), "blame", '-p', '--', $file_name, $hash_base) - or die_error(undef, "Open git-blame failed"); + or die_error(500, "Open git-blame failed"); git_header_html(); my $formats_nav = $cgi->a({-href => href(action=>"blob", -replay=>1)}, @@ -4226,7 +4225,7 @@ HTML print "</td>\n"; } open (my $dd, "-|", git_cmd(), "rev-parse", "$full_rev^") - or die_error(undef, "Open git-rev-parse failed"); + or die_error(500, "Open git-rev-parse failed"); my $parent_commit = <$dd>; close $dd; chomp($parent_commit); @@ -4249,103 +4248,6 @@ HTML git_footer_html(); } -sub git_blame { - my $fd; - - my ($have_blame) = gitweb_check_feature('blame'); - if (!$have_blame) { - die_error('403 Permission denied', "Permission denied"); - } - die_error('404 Not Found', "File name not defined") if (!$file_name); - $hash_base ||= git_get_head_hash($project); - die_error(undef, "Couldn't find base commit") unless ($hash_base); - my %co = parse_commit($hash_base) - or die_error(undef, "Reading commit failed"); - if (!defined $hash) { - $hash = git_get_hash_by_path($hash_base, $file_name, "blob") - or die_error(undef, "Error lookup file"); - } - open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base) - or die_error(undef, "Open git-annotate failed"); - git_header_html(); - my $formats_nav = - $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)}, - "blob") . - " | " . - $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)}, - "history") . - " | " . - $cgi->a({-href => href(action=>"blame", file_name=>$file_name)}, - "HEAD"); - git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); - git_print_header_div('commit', esc_html($co{'title'}), $hash_base); - git_print_page_path($file_name, 'blob', $hash_base); - print "<div class=\"page_body\">\n"; - print <<HTML; -<table class="blame"> - <tr> - <th>Commit</th> - <th>Age</th> - <th>Author</th> - <th>Line</th> - <th>Data</th> - </tr> -HTML - my @line_class = (qw(light dark)); - my $line_class_len = scalar (@line_class); - my $line_class_num = $#line_class; - while (my $line = <$fd>) { - my $long_rev; - my $short_rev; - my $author; - my $time; - my $lineno; - my $data; - my $age; - my $age_str; - my $age_class; - - chomp $line; - $line_class_num = ($line_class_num + 1) % $line_class_len; - - if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) { - $long_rev = $1; - $author = $2; - $time = $3; - $lineno = $4; - $data = $5; - } else { - print qq( <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n); - next; - } - $short_rev = substr ($long_rev, 0, 8); - $age = time () - $time; - $age_str = age_string ($age); - $age_str =~ s/ / /g; - $age_class = age_class($age); - $author = esc_html ($author); - $author =~ s/ / /g; - - $data = untabify($data); - $data = esc_html ($data); - - print <<HTML; - <tr class="$line_class[$line_class_num]"> - <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td> - <td class="$age_class">$age_str</td> - <td>$author</td> - <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td> - <td class="pre">$data</td> - </tr> -HTML - } # while (my $line = <$fd>) - print "</table>\n\n"; - close $fd - or print "Reading blob failed.\n"; - print "</div>"; - git_footer_html(); -} - sub git_tags { my $head = git_get_head_hash($project); git_header_html(); @@ -4373,28 +4275,29 @@ sub git_heads { } sub git_blob_plain { + my $type = shift; my $expires; if (!defined $hash) { if (defined $file_name) { my $base = $hash_base || git_get_head_hash($project); $hash = git_get_hash_by_path($base, $file_name, "blob") - or die_error(undef, "Error lookup file"); + or die_error(404, "Cannot find file"); } else { - die_error(undef, "No file name defined"); + die_error(400, "No file name defined"); } } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { # blobs defined by non-textual hash id's can be cached $expires = "+1d"; } - my $type = shift; open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash - or die_error(undef, "Couldn't cat $file_name, $hash"); + or die_error(500, "Open git-cat-file blob '$hash' failed"); - $type ||= blob_mimetype($fd, $file_name); + # content-type (can include charset) + $type = blob_contenttype($fd, $file_name, $type); - # save as filename, even when no $file_name is given + # "save as" filename, even when no $file_name is given my $save_as = "$hash"; if (defined $file_name) { $save_as = $file_name; @@ -4403,9 +4306,9 @@ sub git_blob_plain { } print $cgi->header( - -type => "$type", - -expires=>$expires, - -content_disposition => 'inline; filename="' . "$save_as" . '"'); + -type => $type, + -expires => $expires, + -content_disposition => 'inline; filename="' . $save_as . '"'); undef $/; binmode STDOUT, ':raw'; print <$fd>; @@ -4421,9 +4324,9 @@ sub git_blob { if (defined $file_name) { my $base = $hash_base || git_get_head_hash($project); $hash = git_get_hash_by_path($base, $file_name, "blob") - or die_error(undef, "Error lookup file"); + or die_error(404, "Cannot find file"); } else { - die_error(undef, "No file name defined"); + die_error(400, "No file name defined"); } } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { # blobs defined by non-textual hash id's can be cached @@ -4432,7 +4335,7 @@ sub git_blob { my ($have_blame) = gitweb_check_feature('blame'); open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash - or die_error(undef, "Couldn't cat $file_name, $hash"); + or die_error(500, "Couldn't cat $file_name, $hash"); my $mimetype = blob_mimetype($fd, $file_name); if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) { close $fd; @@ -4513,9 +4416,9 @@ sub git_tree { } $/ = "\0"; open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash - or die_error(undef, "Open git-ls-tree failed"); + or die_error(500, "Open git-ls-tree failed"); my @entries = map { chomp; $_ } <$fd>; - close $fd or die_error(undef, "Reading tree failed"); + close $fd or die_error(404, "Reading tree failed"); $/ = "\n"; my $refs = git_get_references(); @@ -4605,23 +4508,22 @@ sub git_snapshot { my $format = $cgi->param('sf'); if (!@supported_fmts) { - die_error('403 Permission denied', "Permission denied"); + die_error(403, "Snapshots not allowed"); } # default to first supported snapshot format $format ||= $supported_fmts[0]; if ($format !~ m/^[a-z0-9]+$/) { - die_error(undef, "Invalid snapshot format parameter"); + die_error(400, "Invalid snapshot format parameter"); } elsif (!exists($known_snapshot_formats{$format})) { - die_error(undef, "Unknown snapshot format"); + die_error(400, "Unknown snapshot format"); } elsif (!grep($_ eq $format, @supported_fmts)) { - die_error(undef, "Unsupported snapshot format"); + die_error(403, "Unsupported snapshot format"); } if (!defined $hash) { $hash = git_get_head_hash($project); } - my $git_command = git_cmd_str(); my $name = $project; $name =~ s,([^/])/*\.git$,$1,; $name = basename($name); @@ -4629,11 +4531,12 @@ sub git_snapshot { $name =~ s/\047/\047\\\047\047/g; my $cmd; $filename .= "-$hash$known_snapshot_formats{$format}{'suffix'}"; - $cmd = "$git_command archive " . - "--format=$known_snapshot_formats{$format}{'format'} " . - "--prefix=\'$name\'/ $hash"; + $cmd = quote_command( + git_cmd(), 'archive', + "--format=$known_snapshot_formats{$format}{'format'}", + "--prefix=$name/", $hash); if (exists $known_snapshot_formats{$format}{'compressor'}) { - $cmd .= ' | ' . join ' ', @{$known_snapshot_formats{$format}{'compressor'}}; + $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}}); } print $cgi->header( @@ -4642,7 +4545,7 @@ sub git_snapshot { -status => '200 OK'); open my $fd, "-|", $cmd - or die_error(undef, "Execute git-archive failed"); + or die_error(500, "Execute git-archive failed"); binmode STDOUT, ':raw'; print <$fd>; binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi @@ -4661,7 +4564,7 @@ sub git_log { my @commitlist = parse_commits($hash, 101, (100 * $page)); - my $paging_nav = format_paging_nav('log', $hash, $head, $page, (100 * ($page+1))); + my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#commitlist >= 100); git_header_html(); git_print_page_nav('log','', $hash,undef,undef, $paging_nav); @@ -4710,10 +4613,8 @@ sub git_log { sub git_commit { $hash ||= $hash_base || "HEAD"; - my %co = parse_commit($hash); - if (!%co) { - die_error(undef, "Unknown commit object"); - } + my %co = parse_commit($hash) + or die_error(404, "Unknown commit object"); my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'}); my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'}); @@ -4753,9 +4654,9 @@ sub git_commit { @diff_opts, (@$parents <= 1 ? $parent : '-c'), $hash, "--" - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); @difftree = map { chomp; $_ } <$fd>; - close $fd or die_error(undef, "Reading git-diff-tree failed"); + close $fd or die_error(404, "Reading git-diff-tree failed"); # non-textual hash id's can be cached my $expires; @@ -4846,35 +4747,35 @@ sub git_object { if ($hash || ($hash_base && !defined $file_name)) { my $object_id = $hash || $hash_base; - my $git_command = git_cmd_str(); - open my $fd, "-|", "$git_command cat-file -t $object_id 2>/dev/null" - or die_error('404 Not Found', "Object does not exist"); + open my $fd, "-|", quote_command( + git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null' + or die_error(404, "Object does not exist"); $type = <$fd>; chomp $type; close $fd - or die_error('404 Not Found', "Object does not exist"); + or die_error(404, "Object does not exist"); # - hash_base and file_name } elsif ($hash_base && defined $file_name) { $file_name =~ s,/+$,,; system(git_cmd(), "cat-file", '-e', $hash_base) == 0 - or die_error('404 Not Found', "Base object does not exist"); + or die_error(404, "Base object does not exist"); # here errors should not hapen open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name - or die_error(undef, "Open git-ls-tree failed"); + or die_error(500, "Open git-ls-tree failed"); my $line = <$fd>; close $fd; #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' unless ($line && $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/) { - die_error('404 Not Found', "File or directory for given base does not exist"); + die_error(404, "File or directory for given base does not exist"); } $type = $2; $hash = $3; } else { - die_error('404 Not Found', "Not enough information to find object"); + die_error(400, "Not enough information to find object"); } print $cgi->redirect(-uri => href(action=>$type, -full=>1, @@ -4899,12 +4800,12 @@ sub git_blobdiff { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base, "--", (defined $file_parent ? $file_parent : ()), $file_name - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); @difftree = map { chomp; $_ } <$fd>; close $fd - or die_error(undef, "Reading git-diff-tree failed"); + or die_error(404, "Reading git-diff-tree failed"); @difftree - or die_error('404 Not Found', "Blob diff not found"); + or die_error(404, "Blob diff not found"); } elsif (defined $hash && $hash =~ /[0-9a-fA-F]{40}/) { @@ -4913,23 +4814,23 @@ sub git_blobdiff { # read filtered raw output open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base, "--" - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); @difftree = # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c' # $hash == to_id grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ } map { chomp; $_ } <$fd>; close $fd - or die_error(undef, "Reading git-diff-tree failed"); + or die_error(404, "Reading git-diff-tree failed"); @difftree - or die_error('404 Not Found', "Blob diff not found"); + or die_error(404, "Blob diff not found"); } else { - die_error('404 Not Found', "Missing one of the blob diff parameters"); + die_error(400, "Missing one of the blob diff parameters"); } if (@difftree > 1) { - die_error('404 Not Found', "Ambiguous blob diff specification"); + die_error(400, "Ambiguous blob diff specification"); } %diffinfo = parse_difftree_raw_line($difftree[0]); @@ -4950,7 +4851,7 @@ sub git_blobdiff { '-p', ($format eq 'html' ? "--full-index" : ()), $hash_parent_base, $hash_base, "--", (defined $file_parent ? $file_parent : ()), $file_name - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); } # old/legacy style URI @@ -4986,9 +4887,9 @@ sub git_blobdiff { open $fd, "-|", git_cmd(), "diff", @diff_opts, '-p', ($format eq 'html' ? "--full-index" : ()), $hash_parent, $hash, "--" - or die_error(undef, "Open git-diff failed"); + or die_error(500, "Open git-diff failed"); } else { - die_error('404 Not Found', "Missing one of the blob diff parameters") + die_error(400, "Missing one of the blob diff parameters") unless %diffinfo; } @@ -5021,7 +4922,7 @@ sub git_blobdiff { print "X-Git-Url: " . $cgi->self_url() . "\n\n"; } else { - die_error(undef, "Unknown blobdiff format"); + die_error(400, "Unknown blobdiff format"); } # patch @@ -5056,10 +4957,8 @@ sub git_blobdiff_plain { sub git_commitdiff { my $format = shift || 'html'; $hash ||= $hash_base || "HEAD"; - my %co = parse_commit($hash); - if (!%co) { - die_error(undef, "Unknown commit object"); - } + my %co = parse_commit($hash) + or die_error(404, "Unknown commit object"); # choose format for commitdiff for merge if (! defined $hash_parent && @{$co{'parents'}} > 1) { @@ -5141,7 +5040,7 @@ sub git_commitdiff { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, "--no-commit-id", "--patch-with-raw", "--full-index", $hash_parent_param, $hash, "--" - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); while (my $line = <$fd>) { chomp $line; @@ -5153,10 +5052,10 @@ sub git_commitdiff { } elsif ($format eq 'plain') { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, '-p', $hash_parent_param, $hash, "--" - or die_error(undef, "Open git-diff-tree failed"); + or die_error(500, "Open git-diff-tree failed"); } else { - die_error(undef, "Unknown commitdiff format"); + die_error(400, "Unknown commitdiff format"); } # non-textual hash id's can be cached @@ -5239,19 +5138,15 @@ sub git_history { $page = 0; } my $ftype; - my %co = parse_commit($hash_base); - if (!%co) { - die_error(undef, "Unknown commit object"); - } + my %co = parse_commit($hash_base) + or die_error(404, "Unknown commit object"); my $refs = git_get_references(); my $limit = sprintf("--max-count=%i", (100 * ($page+1))); my @commitlist = parse_commits($hash_base, 101, (100 * $page), - $file_name, "--full-history"); - if (!@commitlist) { - die_error('404 Not Found', "No such file or directory on given branch"); - } + $file_name, "--full-history") + or die_error(404, "No such file or directory on given branch"); if (!defined $hash && defined $file_name) { # some commits could have deleted file in question, @@ -5265,7 +5160,7 @@ sub git_history { $ftype = git_get_type($hash); } if (!defined $ftype) { - die_error(undef, "Unknown type of object"); + die_error(500, "Unknown type of object"); } my $paging_nav = ''; @@ -5303,19 +5198,16 @@ sub git_history { } sub git_search { - my ($have_search) = gitweb_check_feature('search'); - if (!$have_search) { - die_error('403 Permission denied', "Permission denied"); - } + gitweb_check_feature('search') or die_error(403, "Search is disabled"); if (!defined $searchtext) { - die_error(undef, "Text field empty"); + die_error(400, "Text field is empty"); } if (!defined $hash) { $hash = git_get_head_hash($project); } my %co = parse_commit($hash); if (!%co) { - die_error(undef, "Unknown commit object"); + die_error(404, "Unknown commit object"); } if (!defined $page) { $page = 0; @@ -5325,16 +5217,12 @@ sub git_search { if ($searchtype eq 'pickaxe') { # pickaxe may take all resources of your box and run for several minutes # with every query - so decide by yourself how public you make this feature - my ($have_pickaxe) = gitweb_check_feature('pickaxe'); - if (!$have_pickaxe) { - die_error('403 Permission denied', "Permission denied"); - } + gitweb_check_feature('pickaxe') + or die_error(403, "Pickaxe is disabled"); } if ($searchtype eq 'grep') { - my ($have_grep) = gitweb_check_feature('grep'); - if (!$have_grep) { - die_error('403 Permission denied', "Permission denied"); - } + gitweb_check_feature('grep') + or die_error(403, "Grep is disabled"); } git_header_html(); @@ -5581,7 +5469,7 @@ sub git_shortlog { my @commitlist = parse_commits($hash, 101, (100 * $page)); - my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, (100 * ($page+1))); + my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#commitlist >= 100); my $next_link = ''; if ($#commitlist >= 100) { $next_link = @@ -5608,7 +5496,7 @@ sub git_feed { # Atom: http://www.atomenabled.org/developers/syndication/ # RSS: http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ if ($format ne 'rss' && $format ne 'atom') { - die_error(undef, "Unknown web feed format"); + die_error(400, "Unknown web feed format"); } # log/feed of current (HEAD) branch, log of given branch, history of file/directory diff --git a/gitweb/test/Märchen b/gitweb/test/Märchen deleted file mode 100644 index 8f7a1d3e9c..0000000000 --- a/gitweb/test/Märchen +++ /dev/null @@ -1,2 +0,0 @@ -Märchen -Märchen diff --git a/gitweb/test/file with spaces b/gitweb/test/file with spaces deleted file mode 100644 index f108543c4e..0000000000 --- a/gitweb/test/file with spaces +++ /dev/null @@ -1,4 +0,0 @@ -This -filename -contains -spaces. diff --git a/gitweb/test/file+plus+sign b/gitweb/test/file+plus+sign deleted file mode 100644 index fd05278808..0000000000 --- a/gitweb/test/file+plus+sign +++ /dev/null @@ -1,6 +0,0 @@ -This -filename -contains -+ -plus -chars. diff --git a/graph.c b/graph.c new file mode 100644 index 0000000000..e2633f8376 --- /dev/null +++ b/graph.c @@ -0,0 +1,1132 @@ +#include "cache.h" +#include "commit.h" +#include "graph.h" +#include "diff.h" +#include "revision.h" + +/* + * TODO: + * - Add colors to the graph. + * Pick a color for each column, and print all characters + * in that column with the specified color. + * + * - Limit the number of columns, similar to the way gitk does. + * If we reach more than a specified number of columns, omit + * sections of some columns. + * + * - The output during the GRAPH_PRE_COMMIT and GRAPH_COLLAPSING states + * could be made more compact by printing horizontal lines, instead of + * long diagonal lines. For example, during collapsing, something like + * this: instead of this: + * | | | | | | | | | | + * | |_|_|/ | | | |/ + * |/| | | | | |/| + * | | | | | |/| | + * |/| | | + * | | | | + * + * If there are several parallel diagonal lines, they will need to be + * replaced with horizontal lines on subsequent rows. + */ + +struct column { + /* + * The parent commit of this column. + */ + struct commit *commit; + /* + * XXX: Once we add support for colors, struct column could also + * contain the color of its branch line. + */ +}; + +enum graph_state { + GRAPH_PADDING, + GRAPH_SKIP, + GRAPH_PRE_COMMIT, + GRAPH_COMMIT, + GRAPH_POST_MERGE, + GRAPH_COLLAPSING +}; + +struct git_graph { + /* + * The commit currently being processed + */ + struct commit *commit; + /* The rev-info used for the current traversal */ + struct rev_info *revs; + /* + * The number of interesting parents that this commit has. + * + * Note that this is not the same as the actual number of parents. + * This count excludes parents that won't be printed in the graph + * output, as determined by graph_is_interesting(). + */ + int num_parents; + /* + * The width of the graph output for this commit. + * All rows for this commit are padded to this width, so that + * messages printed after the graph output are aligned. + */ + int width; + /* + * The next expansion row to print + * when state is GRAPH_PRE_COMMIT + */ + int expansion_row; + /* + * The current output state. + * This tells us what kind of line graph_next_line() should output. + */ + enum graph_state state; + /* + * The output state for the previous line of output. + * This is primarily used to determine how the first merge line + * should appear, based on the last line of the previous commit. + */ + enum graph_state prev_state; + /* + * The index of the column that refers to this commit. + * + * If none of the incoming columns refer to this commit, + * this will be equal to num_columns. + */ + int commit_index; + /* + * The commit_index for the previously displayed commit. + * + * This is used to determine how the first line of a merge + * graph output should appear, based on the last line of the + * previous commit. + */ + int prev_commit_index; + /* + * The maximum number of columns that can be stored in the columns + * and new_columns arrays. This is also half the number of entries + * that can be stored in the mapping and new_mapping arrays. + */ + int column_capacity; + /* + * The number of columns (also called "branch lines" in some places) + */ + int num_columns; + /* + * The number of columns in the new_columns array + */ + int num_new_columns; + /* + * The number of entries in the mapping array + */ + int mapping_size; + /* + * The column state before we output the current commit. + */ + struct column *columns; + /* + * The new column state after we output the current commit. + * Only valid when state is GRAPH_COLLAPSING. + */ + struct column *new_columns; + /* + * An array that tracks the current state of each + * character in the output line during state GRAPH_COLLAPSING. + * Each entry is -1 if this character is empty, or a non-negative + * integer if the character contains a branch line. The value of + * the integer indicates the target position for this branch line. + * (I.e., this array maps the current column positions to their + * desired positions.) + * + * The maximum capacity of this array is always + * sizeof(int) * 2 * column_capacity. + */ + int *mapping; + /* + * A temporary array for computing the next mapping state + * while we are outputting a mapping line. This is stored as part + * of the git_graph simply so we don't have to allocate a new + * temporary array each time we have to output a collapsing line. + */ + int *new_mapping; +}; + +struct git_graph *graph_init(struct rev_info *opt) +{ + struct git_graph *graph = xmalloc(sizeof(struct git_graph)); + graph->commit = NULL; + graph->revs = opt; + graph->num_parents = 0; + graph->expansion_row = 0; + graph->state = GRAPH_PADDING; + graph->prev_state = GRAPH_PADDING; + graph->commit_index = 0; + graph->prev_commit_index = 0; + graph->num_columns = 0; + graph->num_new_columns = 0; + graph->mapping_size = 0; + + /* + * Allocate a reasonably large default number of columns + * We'll automatically grow columns later if we need more room. + */ + graph->column_capacity = 30; + graph->columns = xmalloc(sizeof(struct column) * + graph->column_capacity); + graph->new_columns = xmalloc(sizeof(struct column) * + graph->column_capacity); + graph->mapping = xmalloc(sizeof(int) * 2 * graph->column_capacity); + graph->new_mapping = xmalloc(sizeof(int) * 2 * graph->column_capacity); + + return graph; +} + +void graph_release(struct git_graph *graph) +{ + free(graph->columns); + free(graph->new_columns); + free(graph->mapping); + free(graph); +} + +static void graph_update_state(struct git_graph *graph, enum graph_state s) +{ + graph->prev_state = graph->state; + graph->state = s; +} + +static void graph_ensure_capacity(struct git_graph *graph, int num_columns) +{ + if (graph->column_capacity >= num_columns) + return; + + do { + graph->column_capacity *= 2; + } while (graph->column_capacity < num_columns); + + graph->columns = xrealloc(graph->columns, + sizeof(struct column) * + graph->column_capacity); + graph->new_columns = xrealloc(graph->new_columns, + sizeof(struct column) * + graph->column_capacity); + graph->mapping = xrealloc(graph->mapping, + sizeof(int) * 2 * graph->column_capacity); + graph->new_mapping = xrealloc(graph->new_mapping, + sizeof(int) * 2 * graph->column_capacity); +} + +/* + * Returns 1 if the commit will be printed in the graph output, + * and 0 otherwise. + */ +static int graph_is_interesting(struct git_graph *graph, struct commit *commit) +{ + /* + * If revs->boundary is set, commits whose children have + * been shown are always interesting, even if they have the + * UNINTERESTING or TREESAME flags set. + */ + if (graph->revs && graph->revs->boundary) { + if (commit->object.flags & CHILD_SHOWN) + return 1; + } + + /* + * Uninteresting and pruned commits won't be printed + */ + return (commit->object.flags & (UNINTERESTING | TREESAME)) ? 0 : 1; +} + +static struct commit_list *next_interesting_parent(struct git_graph *graph, + struct commit_list *orig) +{ + struct commit_list *list; + + /* + * If revs->first_parent_only is set, only the first + * parent is interesting. None of the others are. + */ + if (graph->revs->first_parent_only) + return NULL; + + /* + * Return the next interesting commit after orig + */ + for (list = orig->next; list; list = list->next) { + if (graph_is_interesting(graph, list->item)) + return list; + } + + return NULL; +} + +static struct commit_list *first_interesting_parent(struct git_graph *graph) +{ + struct commit_list *parents = graph->commit->parents; + + /* + * If this commit has no parents, ignore it + */ + if (!parents) + return NULL; + + /* + * If the first parent is interesting, return it + */ + if (graph_is_interesting(graph, parents->item)) + return parents; + + /* + * Otherwise, call next_interesting_parent() to get + * the next interesting parent + */ + return next_interesting_parent(graph, parents); +} + +static void graph_insert_into_new_columns(struct git_graph *graph, + struct commit *commit, + int *mapping_index) +{ + int i; + + /* + * If the commit is already in the new_columns list, we don't need to + * add it. Just update the mapping correctly. + */ + for (i = 0; i < graph->num_new_columns; i++) { + if (graph->new_columns[i].commit == commit) { + graph->mapping[*mapping_index] = i; + *mapping_index += 2; + return; + } + } + + /* + * This commit isn't already in new_columns. Add it. + */ + graph->new_columns[graph->num_new_columns].commit = commit; + graph->mapping[*mapping_index] = graph->num_new_columns; + *mapping_index += 2; + graph->num_new_columns++; +} + +static void graph_update_width(struct git_graph *graph, + int is_commit_in_existing_columns) +{ + /* + * Compute the width needed to display the graph for this commit. + * This is the maximum width needed for any row. All other rows + * will be padded to this width. + * + * Compute the number of columns in the widest row: + * Count each existing column (graph->num_columns), and each new + * column added by this commit. + */ + int max_cols = graph->num_columns + graph->num_parents; + + /* + * Even if the current commit has no parents to be printed, it + * still takes up a column for itself. + */ + if (graph->num_parents < 1) + max_cols++; + + /* + * We added a column for the the current commit as part of + * graph->num_parents. If the current commit was already in + * graph->columns, then we have double counted it. + */ + if (is_commit_in_existing_columns) + max_cols--; + + /* + * Each column takes up 2 spaces + */ + graph->width = max_cols * 2; +} + +static void graph_update_columns(struct git_graph *graph) +{ + struct commit_list *parent; + struct column *tmp_columns; + int max_new_columns; + int mapping_idx; + int i, seen_this, is_commit_in_columns; + + /* + * Swap graph->columns with graph->new_columns + * graph->columns contains the state for the previous commit, + * and new_columns now contains the state for our commit. + * + * We'll re-use the old columns array as storage to compute the new + * columns list for the commit after this one. + */ + tmp_columns = graph->columns; + graph->columns = graph->new_columns; + graph->num_columns = graph->num_new_columns; + + graph->new_columns = tmp_columns; + graph->num_new_columns = 0; + + /* + * Now update new_columns and mapping with the information for the + * commit after this one. + * + * First, make sure we have enough room. At most, there will + * be graph->num_columns + graph->num_parents columns for the next + * commit. + */ + max_new_columns = graph->num_columns + graph->num_parents; + graph_ensure_capacity(graph, max_new_columns); + + /* + * Clear out graph->mapping + */ + graph->mapping_size = 2 * max_new_columns; + for (i = 0; i < graph->mapping_size; i++) + graph->mapping[i] = -1; + + /* + * Populate graph->new_columns and graph->mapping + * + * Some of the parents of this commit may already be in + * graph->columns. If so, graph->new_columns should only contain a + * single entry for each such commit. graph->mapping should + * contain information about where each current branch line is + * supposed to end up after the collapsing is performed. + */ + seen_this = 0; + mapping_idx = 0; + is_commit_in_columns = 1; + for (i = 0; i <= graph->num_columns; i++) { + struct commit *col_commit; + if (i == graph->num_columns) { + if (seen_this) + break; + is_commit_in_columns = 0; + col_commit = graph->commit; + } else { + col_commit = graph->columns[i].commit; + } + + if (col_commit == graph->commit) { + int old_mapping_idx = mapping_idx; + seen_this = 1; + graph->commit_index = i; + for (parent = first_interesting_parent(graph); + parent; + parent = next_interesting_parent(graph, parent)) { + graph_insert_into_new_columns(graph, + parent->item, + &mapping_idx); + } + /* + * We always need to increment mapping_idx by at + * least 2, even if it has no interesting parents. + * The current commit always takes up at least 2 + * spaces. + */ + if (mapping_idx == old_mapping_idx) + mapping_idx += 2; + } else { + graph_insert_into_new_columns(graph, col_commit, + &mapping_idx); + } + } + + /* + * Shrink mapping_size to be the minimum necessary + */ + while (graph->mapping_size > 1 && + graph->mapping[graph->mapping_size - 1] < 0) + graph->mapping_size--; + + /* + * Compute graph->width for this commit + */ + graph_update_width(graph, is_commit_in_columns); +} + +void graph_update(struct git_graph *graph, struct commit *commit) +{ + struct commit_list *parent; + + /* + * Set the new commit + */ + graph->commit = commit; + + /* + * Count how many interesting parents this commit has + */ + graph->num_parents = 0; + for (parent = first_interesting_parent(graph); + parent; + parent = next_interesting_parent(graph, parent)) + { + graph->num_parents++; + } + + /* + * Store the old commit_index in prev_commit_index. + * graph_update_columns() will update graph->commit_index for this + * commit. + */ + graph->prev_commit_index = graph->commit_index; + + /* + * Call graph_update_columns() to update + * columns, new_columns, and mapping. + */ + graph_update_columns(graph); + + graph->expansion_row = 0; + + /* + * Update graph->state. + * Note that we don't call graph_update_state() here, since + * we don't want to update graph->prev_state. No line for + * graph->state was ever printed. + * + * If the previous commit didn't get to the GRAPH_PADDING state, + * it never finished its output. Goto GRAPH_SKIP, to print out + * a line to indicate that portion of the graph is missing. + * + * If there are 3 or more parents, we may need to print extra rows + * before the commit, to expand the branch lines around it and make + * room for it. We need to do this only if there is a branch row + * (or more) to the right of this commit. + * + * If there are less than 3 parents, we can immediately print the + * commit line. + */ + if (graph->state != GRAPH_PADDING) + graph->state = GRAPH_SKIP; + else if (graph->num_parents >= 3 && + graph->commit_index < (graph->num_columns - 1)) + graph->state = GRAPH_PRE_COMMIT; + else + graph->state = GRAPH_COMMIT; +} + +static int graph_is_mapping_correct(struct git_graph *graph) +{ + int i; + + /* + * The mapping is up to date if each entry is at its target, + * or is 1 greater than its target. + * (If it is 1 greater than the target, '/' will be printed, so it + * will look correct on the next row.) + */ + for (i = 0; i < graph->mapping_size; i++) { + int target = graph->mapping[i]; + if (target < 0) + continue; + if (target == (i / 2)) + continue; + return 0; + } + + return 1; +} + +static void graph_pad_horizontally(struct git_graph *graph, struct strbuf *sb) +{ + /* + * Add additional spaces to the end of the strbuf, so that all + * lines for a particular commit have the same width. + * + * This way, fields printed to the right of the graph will remain + * aligned for the entire commit. + */ + int extra; + if (sb->len >= graph->width) + return; + + extra = graph->width - sb->len; + strbuf_addf(sb, "%*s", (int) extra, ""); +} + +static void graph_output_padding_line(struct git_graph *graph, + struct strbuf *sb) +{ + int i; + + /* + * We could conceivable be called with a NULL commit + * if our caller has a bug, and invokes graph_next_line() + * immediately after graph_init(), without first calling + * graph_update(). Return without outputting anything in this + * case. + */ + if (!graph->commit) + return; + + /* + * Output a padding row, that leaves all branch lines unchanged + */ + for (i = 0; i < graph->num_new_columns; i++) { + strbuf_addstr(sb, "| "); + } + + graph_pad_horizontally(graph, sb); +} + +static void graph_output_skip_line(struct git_graph *graph, struct strbuf *sb) +{ + /* + * Output an ellipsis to indicate that a portion + * of the graph is missing. + */ + strbuf_addstr(sb, "..."); + graph_pad_horizontally(graph, sb); + + if (graph->num_parents >= 3 && + graph->commit_index < (graph->num_columns - 1)) + graph_update_state(graph, GRAPH_PRE_COMMIT); + else + graph_update_state(graph, GRAPH_COMMIT); +} + +static void graph_output_pre_commit_line(struct git_graph *graph, + struct strbuf *sb) +{ + int num_expansion_rows; + int i, seen_this; + + /* + * This function formats a row that increases the space around a commit + * with multiple parents, to make room for it. It should only be + * called when there are 3 or more parents. + * + * We need 2 extra rows for every parent over 2. + */ + assert(graph->num_parents >= 3); + num_expansion_rows = (graph->num_parents - 2) * 2; + + /* + * graph->expansion_row tracks the current expansion row we are on. + * It should be in the range [0, num_expansion_rows - 1] + */ + assert(0 <= graph->expansion_row && + graph->expansion_row < num_expansion_rows); + + /* + * Output the row + */ + seen_this = 0; + for (i = 0; i < graph->num_columns; i++) { + struct column *col = &graph->columns[i]; + if (col->commit == graph->commit) { + seen_this = 1; + strbuf_addf(sb, "| %*s", graph->expansion_row, ""); + } else if (seen_this && (graph->expansion_row == 0)) { + /* + * This is the first line of the pre-commit output. + * If the previous commit was a merge commit and + * ended in the GRAPH_POST_MERGE state, all branch + * lines after graph->prev_commit_index were + * printed as "\" on the previous line. Continue + * to print them as "\" on this line. Otherwise, + * print the branch lines as "|". + */ + if (graph->prev_state == GRAPH_POST_MERGE && + graph->prev_commit_index < i) + strbuf_addstr(sb, "\\ "); + else + strbuf_addstr(sb, "| "); + } else if (seen_this && (graph->expansion_row > 0)) { + strbuf_addstr(sb, "\\ "); + } else { + strbuf_addstr(sb, "| "); + } + } + + graph_pad_horizontally(graph, sb); + + /* + * Increment graph->expansion_row, + * and move to state GRAPH_COMMIT if necessary + */ + graph->expansion_row++; + if (graph->expansion_row >= num_expansion_rows) + graph_update_state(graph, GRAPH_COMMIT); +} + +static void graph_output_commit_char(struct git_graph *graph, struct strbuf *sb) +{ + /* + * For boundary commits, print 'o' + * (We should only see boundary commits when revs->boundary is set.) + */ + if (graph->commit->object.flags & BOUNDARY) { + assert(graph->revs->boundary); + strbuf_addch(sb, 'o'); + return; + } + + /* + * If revs->left_right is set, print '<' for commits that + * come from the left side, and '>' for commits from the right + * side. + */ + if (graph->revs && graph->revs->left_right) { + if (graph->commit->object.flags & SYMMETRIC_LEFT) + strbuf_addch(sb, '<'); + else + strbuf_addch(sb, '>'); + return; + } + + /* + * Print '*' in all other cases + */ + strbuf_addch(sb, '*'); +} + +void graph_output_commit_line(struct git_graph *graph, struct strbuf *sb) +{ + int seen_this = 0; + int i, j; + + /* + * Output the row containing this commit + * Iterate up to and including graph->num_columns, + * since the current commit may not be in any of the existing + * columns. (This happens when the current commit doesn't have any + * children that we have already processed.) + */ + seen_this = 0; + for (i = 0; i <= graph->num_columns; i++) { + struct commit *col_commit; + if (i == graph->num_columns) { + if (seen_this) + break; + col_commit = graph->commit; + } else { + col_commit = graph->columns[i].commit; + } + + if (col_commit == graph->commit) { + seen_this = 1; + graph_output_commit_char(graph, sb); + + if (graph->num_parents < 3) + strbuf_addch(sb, ' '); + else { + int num_dashes = + ((graph->num_parents - 2) * 2) - 1; + for (j = 0; j < num_dashes; j++) + strbuf_addch(sb, '-'); + strbuf_addstr(sb, ". "); + } + } else if (seen_this && (graph->num_parents > 2)) { + strbuf_addstr(sb, "\\ "); + } else if (seen_this && (graph->num_parents == 2)) { + /* + * This is a 2-way merge commit. + * There is no GRAPH_PRE_COMMIT stage for 2-way + * merges, so this is the first line of output + * for this commit. Check to see what the previous + * line of output was. + * + * If it was GRAPH_POST_MERGE, the branch line + * coming into this commit may have been '\', + * and not '|' or '/'. If so, output the branch + * line as '\' on this line, instead of '|'. This + * makes the output look nicer. + */ + if (graph->prev_state == GRAPH_POST_MERGE && + graph->prev_commit_index < i) + strbuf_addstr(sb, "\\ "); + else + strbuf_addstr(sb, "| "); + } else { + strbuf_addstr(sb, "| "); + } + } + + graph_pad_horizontally(graph, sb); + + /* + * Update graph->state + */ + if (graph->num_parents > 1) + graph_update_state(graph, GRAPH_POST_MERGE); + else if (graph_is_mapping_correct(graph)) + graph_update_state(graph, GRAPH_PADDING); + else + graph_update_state(graph, GRAPH_COLLAPSING); +} + +void graph_output_post_merge_line(struct git_graph *graph, struct strbuf *sb) +{ + int seen_this = 0; + int i, j; + + /* + * Output the post-merge row + */ + for (i = 0; i <= graph->num_columns; i++) { + struct commit *col_commit; + if (i == graph->num_columns) { + if (seen_this) + break; + col_commit = graph->commit; + } else { + col_commit = graph->columns[i].commit; + } + + if (col_commit == graph->commit) { + seen_this = 1; + strbuf_addch(sb, '|'); + for (j = 0; j < graph->num_parents - 1; j++) + strbuf_addstr(sb, "\\ "); + } else if (seen_this) { + strbuf_addstr(sb, "\\ "); + } else { + strbuf_addstr(sb, "| "); + } + } + + graph_pad_horizontally(graph, sb); + + /* + * Update graph->state + */ + if (graph_is_mapping_correct(graph)) + graph_update_state(graph, GRAPH_PADDING); + else + graph_update_state(graph, GRAPH_COLLAPSING); +} + +void graph_output_collapsing_line(struct git_graph *graph, struct strbuf *sb) +{ + int i; + int *tmp_mapping; + + /* + * Clear out the new_mapping array + */ + for (i = 0; i < graph->mapping_size; i++) + graph->new_mapping[i] = -1; + + for (i = 0; i < graph->mapping_size; i++) { + int target = graph->mapping[i]; + if (target < 0) + continue; + + /* + * Since update_columns() always inserts the leftmost + * column first, each branch's target location should + * always be either its current location or to the left of + * its current location. + * + * We never have to move branches to the right. This makes + * the graph much more legible, since whenever branches + * cross, only one is moving directions. + */ + assert(target * 2 <= i); + + if (target * 2 == i) { + /* + * This column is already in the + * correct place + */ + assert(graph->new_mapping[i] == -1); + graph->new_mapping[i] = target; + } else if (graph->new_mapping[i - 1] < 0) { + /* + * Nothing is to the left. + * Move to the left by one + */ + graph->new_mapping[i - 1] = target; + } else if (graph->new_mapping[i - 1] == target) { + /* + * There is a branch line to our left + * already, and it is our target. We + * combine with this line, since we share + * the same parent commit. + * + * We don't have to add anything to the + * output or new_mapping, since the + * existing branch line has already taken + * care of it. + */ + } else { + /* + * There is a branch line to our left, + * but it isn't our target. We need to + * cross over it. + * + * The space just to the left of this + * branch should always be empty. + */ + assert(graph->new_mapping[i - 1] > target); + assert(graph->new_mapping[i - 2] < 0); + graph->new_mapping[i - 2] = target; + } + } + + /* + * The new mapping may be 1 smaller than the old mapping + */ + if (graph->new_mapping[graph->mapping_size - 1] < 0) + graph->mapping_size--; + + /* + * Output out a line based on the new mapping info + */ + for (i = 0; i < graph->mapping_size; i++) { + int target = graph->new_mapping[i]; + if (target < 0) + strbuf_addch(sb, ' '); + else if (target * 2 == i) + strbuf_addch(sb, '|'); + else + strbuf_addch(sb, '/'); + } + + graph_pad_horizontally(graph, sb); + + /* + * Swap mapping and new_mapping + */ + tmp_mapping = graph->mapping; + graph->mapping = graph->new_mapping; + graph->new_mapping = tmp_mapping; + + /* + * If graph->mapping indicates that all of the branch lines + * are already in the correct positions, we are done. + * Otherwise, we need to collapse some branch lines together. + */ + if (graph_is_mapping_correct(graph)) + graph_update_state(graph, GRAPH_PADDING); +} + +int graph_next_line(struct git_graph *graph, struct strbuf *sb) +{ + switch (graph->state) { + case GRAPH_PADDING: + graph_output_padding_line(graph, sb); + return 0; + case GRAPH_SKIP: + graph_output_skip_line(graph, sb); + return 0; + case GRAPH_PRE_COMMIT: + graph_output_pre_commit_line(graph, sb); + return 0; + case GRAPH_COMMIT: + graph_output_commit_line(graph, sb); + return 1; + case GRAPH_POST_MERGE: + graph_output_post_merge_line(graph, sb); + return 0; + case GRAPH_COLLAPSING: + graph_output_collapsing_line(graph, sb); + return 0; + } + + assert(0); + return 0; +} + +void graph_padding_line(struct git_graph *graph, struct strbuf *sb) +{ + int i, j; + + if (graph->state != GRAPH_COMMIT) { + graph_next_line(graph, sb); + return; + } + + /* + * Output the row containing this commit + * Iterate up to and including graph->num_columns, + * since the current commit may not be in any of the existing + * columns. (This happens when the current commit doesn't have any + * children that we have already processed.) + */ + for (i = 0; i < graph->num_columns; i++) { + struct commit *col_commit = graph->columns[i].commit; + if (col_commit == graph->commit) { + strbuf_addch(sb, '|'); + + if (graph->num_parents < 3) + strbuf_addch(sb, ' '); + else { + int num_spaces = ((graph->num_parents - 2) * 2); + for (j = 0; j < num_spaces; j++) + strbuf_addch(sb, ' '); + } + } else { + strbuf_addstr(sb, "| "); + } + } + + graph_pad_horizontally(graph, sb); + + /* + * Update graph->prev_state since we have output a padding line + */ + graph->prev_state = GRAPH_PADDING; +} + +int graph_is_commit_finished(struct git_graph const *graph) +{ + return (graph->state == GRAPH_PADDING); +} + +void graph_show_commit(struct git_graph *graph) +{ + struct strbuf msgbuf; + int shown_commit_line = 0; + + if (!graph) + return; + + strbuf_init(&msgbuf, 0); + + while (!shown_commit_line) { + shown_commit_line = graph_next_line(graph, &msgbuf); + fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); + if (!shown_commit_line) + putchar('\n'); + strbuf_setlen(&msgbuf, 0); + } + + strbuf_release(&msgbuf); +} + +void graph_show_oneline(struct git_graph *graph) +{ + struct strbuf msgbuf; + + if (!graph) + return; + + strbuf_init(&msgbuf, 0); + graph_next_line(graph, &msgbuf); + fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); + strbuf_release(&msgbuf); +} + +void graph_show_padding(struct git_graph *graph) +{ + struct strbuf msgbuf; + + if (!graph) + return; + + strbuf_init(&msgbuf, 0); + graph_padding_line(graph, &msgbuf); + fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); + strbuf_release(&msgbuf); +} + +int graph_show_remainder(struct git_graph *graph) +{ + struct strbuf msgbuf; + int shown = 0; + + if (!graph) + return 0; + + if (graph_is_commit_finished(graph)) + return 0; + + strbuf_init(&msgbuf, 0); + for (;;) { + graph_next_line(graph, &msgbuf); + fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); + strbuf_setlen(&msgbuf, 0); + shown = 1; + + if (!graph_is_commit_finished(graph)) + putchar('\n'); + else + break; + } + strbuf_release(&msgbuf); + + return shown; +} + + +void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb) +{ + char *p; + + if (!graph) { + fwrite(sb->buf, sizeof(char), sb->len, stdout); + return; + } + + /* + * Print the strbuf line by line, + * and display the graph info before each line but the first. + */ + p = sb->buf; + while (p) { + size_t len; + char *next_p = strchr(p, '\n'); + if (next_p) { + next_p++; + len = next_p - p; + } else { + len = (sb->buf + sb->len) - p; + } + fwrite(p, sizeof(char), len, stdout); + if (next_p && *next_p != '\0') + graph_show_oneline(graph); + p = next_p; + } +} + +void graph_show_commit_msg(struct git_graph *graph, + struct strbuf const *sb) +{ + int newline_terminated; + + if (!graph) { + /* + * If there's no graph, just print the message buffer. + * + * The message buffer for CMIT_FMT_ONELINE and + * CMIT_FMT_USERFORMAT are already missing a terminating + * newline. All of the other formats should have it. + */ + fwrite(sb->buf, sizeof(char), sb->len, stdout); + return; + } + + newline_terminated = (sb->len && sb->buf[sb->len - 1] == '\n'); + + /* + * Show the commit message + */ + graph_show_strbuf(graph, sb); + + /* + * If there is more output needed for this commit, show it now + */ + if (!graph_is_commit_finished(graph)) { + /* + * If sb doesn't have a terminating newline, print one now, + * so we can start the remainder of the graph output on a + * new line. + */ + if (!newline_terminated) + putchar('\n'); + + graph_show_remainder(graph); + + /* + * If sb ends with a newline, our output should too. + */ + if (newline_terminated) + putchar('\n'); + } +} diff --git a/graph.h b/graph.h new file mode 100644 index 0000000000..eab4e3daba --- /dev/null +++ b/graph.h @@ -0,0 +1,121 @@ +#ifndef GRAPH_H +#define GRAPH_H + +/* A graph is a pointer to this opaque structure */ +struct git_graph; + +/* + * Create a new struct git_graph. + * The graph should be freed with graph_release() when no longer needed. + */ +struct git_graph *graph_init(struct rev_info *opt); + +/* + * Destroy a struct git_graph and free associated memory. + */ +void graph_release(struct git_graph *graph); + +/* + * Update a git_graph with a new commit. + * This will cause the graph to begin outputting lines for the new commit + * the next time graph_next_line() is called. + * + * If graph_update() is called before graph_is_commit_finished() returns 1, + * the next call to graph_next_line() will output an ellipsis ("...") + * to indicate that a portion of the graph is missing. + */ +void graph_update(struct git_graph *graph, struct commit *commit); + +/* + * Output the next line for a graph. + * This formats the next graph line into the specified strbuf. It is not + * terminated with a newline. + * + * Returns 1 if the line includes the current commit, and 0 otherwise. + * graph_next_line() will return 1 exactly once for each time + * graph_update() is called. + */ +int graph_next_line(struct git_graph *graph, struct strbuf *sb); + +/* + * Output a padding line in the graph. + * This is similar to graph_next_line(). However, it is guaranteed to + * never print the current commit line. Instead, if the commit line is + * next, it will simply output a line of vertical padding, extending the + * branch lines downwards, but leaving them otherwise unchanged. + */ +void graph_padding_line(struct git_graph *graph, struct strbuf *sb); + +/* + * Determine if a graph has finished outputting lines for the current + * commit. + * + * Returns 1 if graph_next_line() needs to be called again before + * graph_update() should be called. Returns 0 if no more lines are needed + * for this commit. If 0 is returned, graph_next_line() may still be + * called without calling graph_update(), and it will merely output + * appropriate "vertical padding" in the graph. + */ +int graph_is_commit_finished(struct git_graph const *graph); + + +/* + * graph_show_*: helper functions for printing to stdout + */ + + +/* + * If the graph is non-NULL, print the history graph to stdout, + * up to and including the line containing this commit. + * Does not print a terminating newline on the last line. + */ +void graph_show_commit(struct git_graph *graph); + +/* + * If the graph is non-NULL, print one line of the history graph to stdout. + * Does not print a terminating newline on the last line. + */ +void graph_show_oneline(struct git_graph *graph); + +/* + * If the graph is non-NULL, print one line of vertical graph padding to + * stdout. Does not print a terminating newline on the last line. + */ +void graph_show_padding(struct git_graph *graph); + +/* + * If the graph is non-NULL, print the rest of the history graph for this + * commit to stdout. Does not print a terminating newline on the last line. + */ +int graph_show_remainder(struct git_graph *graph); + +/* + * Print a strbuf to stdout. If the graph is non-NULL, all lines but the + * first will be prefixed with the graph output. + * + * If the strbuf ends with a newline, the output will end after this + * newline. A new graph line will not be printed after the final newline. + * If the strbuf is empty, no output will be printed. + * + * Since the first line will not include the graph ouput, the caller is + * responsible for printing this line's graph (perhaps via + * graph_show_commit() or graph_show_oneline()) before calling + * graph_show_strbuf(). + */ +void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb); + +/* + * Print a commit message strbuf and the remainder of the graph to stdout. + * + * This is similar to graph_show_strbuf(), but it always prints the + * remainder of the graph. + * + * If the strbuf ends with a newline, the output printed by + * graph_show_commit_msg() will end with a newline. If the strbuf is + * missing a terminating newline (including if it is empty), the output + * printed by graph_show_commit_msg() will also be missing a terminating + * newline. + */ +void graph_show_commit_msg(struct git_graph *graph, struct strbuf const *sb); + +#endif /* GRAPH_H */ diff --git a/hash-object.c b/hash-object.c index 61e7160b36..48d5223684 100644 --- a/hash-object.c +++ b/hash-object.c @@ -6,6 +6,7 @@ */ #include "cache.h" #include "blob.h" +#include "quote.h" static void hash_object(const char *path, enum object_type type, int write_object) { @@ -20,6 +21,7 @@ static void hash_object(const char *path, enum object_type type, int write_objec ? "Unable to add %s to database" : "Unable to hash %s", path); printf("%s\n", sha1_to_hex(sha1)); + maybe_flush_or_die(stdout, "hash to stdout"); } static void hash_stdin(const char *type, int write_object) @@ -30,8 +32,27 @@ static void hash_stdin(const char *type, int write_object) printf("%s\n", sha1_to_hex(sha1)); } +static void hash_stdin_paths(const char *type, int write_objects) +{ + struct strbuf buf, nbuf; + + strbuf_init(&buf, 0); + strbuf_init(&nbuf, 0); + while (strbuf_getline(&buf, stdin, '\n') != EOF) { + if (buf.buf[0] == '"') { + strbuf_reset(&nbuf); + if (unquote_c_style(&nbuf, buf.buf, NULL)) + die("line is badly quoted"); + strbuf_swap(&buf, &nbuf); + } + hash_object(buf.buf, type_from_string(type), write_objects); + } + strbuf_release(&buf); + strbuf_release(&nbuf); +} + static const char hash_object_usage[] = -"git-hash-object [-t <type>] [-w] [--stdin] <file>..."; +"git-hash-object [ [-t <type>] [-w] [--stdin] <file>... | --stdin-paths < <list-of-paths> ]"; int main(int argc, char **argv) { @@ -42,8 +63,9 @@ int main(int argc, char **argv) int prefix_length = -1; int no_more_flags = 0; int hashstdin = 0; + int stdin_paths = 0; - git_config(git_default_config); + git_config(git_default_config, NULL); for (i = 1 ; i < argc; i++) { if (!no_more_flags && argv[i][0] == '-') { @@ -65,7 +87,19 @@ int main(int argc, char **argv) } else if (!strcmp(argv[i], "--help")) usage(hash_object_usage); + else if (!strcmp(argv[i], "--stdin-paths")) { + if (hashstdin) { + error("Can't use --stdin-paths with --stdin"); + usage(hash_object_usage); + } + stdin_paths = 1; + + } else if (!strcmp(argv[i], "--stdin")) { + if (stdin_paths) { + error("Can't use %s with --stdin-paths", argv[i]); + usage(hash_object_usage); + } if (hashstdin) die("Multiple --stdin arguments are not supported"); hashstdin = 1; @@ -76,6 +110,11 @@ int main(int argc, char **argv) else { const char *arg = argv[i]; + if (stdin_paths) { + error("Can't specify files (such as \"%s\") with --stdin-paths", arg); + usage(hash_object_usage); + } + if (hashstdin) { hash_stdin(type, write_object); hashstdin = 0; @@ -87,6 +126,10 @@ int main(int argc, char **argv) no_more_flags = 1; } } + + if (stdin_paths) + hash_stdin_paths(type, write_object); + if (hashstdin) hash_stdin(type, write_object); return 0; @@ -252,7 +252,7 @@ static int add_man_viewer_info(const char *var, const char *value) return 0; } -static int git_help_config(const char *var, const char *value) +static int git_help_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "help.format")) { if (!value) @@ -269,7 +269,7 @@ static int git_help_config(const char *var, const char *value) if (!prefixcmp(var, "man.")) return add_man_viewer_info(var, value); - return git_default_config(var, value); + return git_default_config(var, value, cb); } /* most GUI terminals set COLUMNS (although some don't export it) */ @@ -391,6 +391,32 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest) } } +static int is_executable(const char *name) +{ + struct stat st; + + if (stat(name, &st) || /* stat, not lstat */ + !S_ISREG(st.st_mode)) + return 0; + +#ifdef __MINGW32__ + /* cannot trust the executable bit, peek into the file instead */ + char buf[3] = { 0 }; + int n; + int fd = open(name, O_RDONLY); + st.st_mode &= ~S_IXUSR; + if (fd >= 0) { + n = read(fd, buf, 2); + if (n == 2) + /* DOS executables start with "MZ" */ + if (!strcmp(buf, "#!") || !strcmp(buf, "MZ")) + st.st_mode |= S_IXUSR; + close(fd); + } +#endif + return st.st_mode & S_IXUSR; +} + static unsigned int list_commands_in_dir(struct cmdnames *cmds, const char *path) { @@ -404,15 +430,12 @@ static unsigned int list_commands_in_dir(struct cmdnames *cmds, return 0; while ((de = readdir(dir)) != NULL) { - struct stat st; int entlen; if (prefixcmp(de->d_name, prefix)) continue; - if (stat(de->d_name, &st) || /* stat, not lstat */ - !S_ISREG(st.st_mode) || - !(st.st_mode & S_IXUSR)) + if (!is_executable(de->d_name)) continue; entlen = strlen(de->d_name) - prefix_len; @@ -447,7 +470,7 @@ static unsigned int load_command_list(void) path = paths = xstrdup(env_path); while (1) { - if ((colon = strchr(path, ':'))) + if ((colon = strchr(path, PATH_SEP))) *colon = 0; len = list_commands_in_dir(&other_cmds, path); @@ -527,20 +550,26 @@ static int is_git_command(const char *s) is_in_cmdlist(&other_cmds, s); } +static const char *prepend(const char *prefix, const char *cmd) +{ + size_t pre_len = strlen(prefix); + size_t cmd_len = strlen(cmd); + char *p = xmalloc(pre_len + cmd_len + 1); + memcpy(p, prefix, pre_len); + strcpy(p + pre_len, cmd); + return p; +} + static const char *cmd_to_page(const char *git_cmd) { if (!git_cmd) return "git"; else if (!prefixcmp(git_cmd, "git")) return git_cmd; - else { - int page_len = strlen(git_cmd) + 4; - char *p = xmalloc(page_len + 1); - strcpy(p, "git-"); - strcpy(p + 4, git_cmd); - p[page_len] = 0; - return p; - } + else if (is_git_command(git_cmd)) + return prepend("git-", git_cmd); + else + return prepend("git", git_cmd); } static void setup_man_path(void) @@ -641,7 +670,7 @@ int cmd_help(int argc, const char **argv, const char *prefix) const char *alias; setup_git_directory_gently(&nongit); - git_config(git_help_config); + git_config(git_help_config, NULL); argc = parse_options(argc, argv, builtin_help_options, builtin_help_usage, 0); @@ -649,12 +678,14 @@ int cmd_help(int argc, const char **argv, const char *prefix) if (show_all) { printf("usage: %s\n\n", git_usage_string); list_commands(); + printf("%s\n", git_more_info_string); return 0; } if (!argv[0]) { printf("usage: %s\n\n", git_usage_string); list_common_cmds_help(); + printf("\n%s\n", git_more_info_string); return 0; } diff --git a/http-push.c b/http-push.c index 42727c8a45..2cd068a6f1 100644 --- a/http-push.c +++ b/http-push.c @@ -9,6 +9,7 @@ #include "revision.h" #include "exec_cmd.h" #include "remote.h" +#include "list-objects.h" #include <expat.h> @@ -782,7 +783,7 @@ static void finish_request(struct transfer_request *request) lst = &((*lst)->next); *lst = (*lst)->next; - if (!verify_pack(target, 0)) + if (!verify_pack(target)) install_packed_git(target); else remote->can_update_info_refs = 0; @@ -1349,6 +1350,24 @@ static int unlock_remote(struct remote_lock *lock) return rc; } +static void remove_locks(void) +{ + struct remote_lock *lock = remote->locks; + + fprintf(stderr, "Removing remote locks...\n"); + while (lock) { + unlock_remote(lock); + lock = lock->next; + } +} + +static void remove_locks_on_signal(int signo) +{ + remove_locks(); + signal(signo, SIG_DFL); + raise(signo); +} + static void remote_ls(const char *path, int flags, void (*userFunc)(struct remote_ls_ctx *ls), void *userData); @@ -1860,31 +1879,6 @@ static int ref_newer(const unsigned char *new_sha1, return found; } -static void mark_edge_parents_uninteresting(struct commit *commit) -{ - struct commit_list *parents; - - for (parents = commit->parents; parents; parents = parents->next) { - struct commit *parent = parents->item; - if (!(parent->object.flags & UNINTERESTING)) - continue; - mark_tree_uninteresting(parent->tree); - } -} - -static void mark_edges_uninteresting(struct commit_list *list) -{ - for ( ; list; list = list->next) { - struct commit *commit = list->item; - - if (commit->object.flags & UNINTERESTING) { - mark_tree_uninteresting(commit->tree); - continue; - } - mark_edge_parents_uninteresting(commit); - } -} - static void add_remote_info_ref(struct remote_ls_ctx *ls) { struct strbuf *buf = (struct strbuf *)ls->userData; @@ -2256,6 +2250,11 @@ int main(int argc, char **argv) goto cleanup; } + signal(SIGINT, remove_locks_on_signal); + signal(SIGHUP, remove_locks_on_signal); + signal(SIGQUIT, remove_locks_on_signal); + signal(SIGTERM, remove_locks_on_signal); + /* Check whether the remote has server info files */ remote->can_update_info_refs = 0; remote->has_info_refs = remote_exists("info/refs"); @@ -2385,6 +2384,7 @@ int main(int argc, char **argv) } init_revisions(&revs, setup_git_directory()); setup_revisions(commit_argc, commit_argv, &revs, NULL); + revs.edge_hint = 0; /* just in case */ free(new_sha1_hex); if (old_sha1_hex) { free(old_sha1_hex); @@ -2395,7 +2395,7 @@ int main(int argc, char **argv) pushing = 0; if (prepare_revision_walk(&revs)) die("revision walk setup failed"); - mark_edges_uninteresting(revs.commits); + mark_edges_uninteresting(revs.commits, &revs, NULL); objects_to_send = get_delta(&revs, ref_lock); finish_all_active_slots(); diff --git a/http-walker.c b/http-walker.c index 99f397e32b..51c18f2685 100644 --- a/http-walker.c +++ b/http-walker.c @@ -795,7 +795,7 @@ static int fetch_pack(struct walker *walker, struct alt_base *repo, unsigned cha lst = &((*lst)->next); *lst = (*lst)->next; - if (verify_pack(target, 0)) + if (verify_pack(target)) return -1; install_packed_git(target); @@ -13,14 +13,14 @@ static CURL *curl_default; char curl_errorstr[CURL_ERROR_SIZE]; static int curl_ssl_verify = -1; -static char *ssl_cert = NULL; +static const char *ssl_cert = NULL; #if LIBCURL_VERSION_NUM >= 0x070902 -static char *ssl_key = NULL; +static const char *ssl_key = NULL; #endif #if LIBCURL_VERSION_NUM >= 0x070908 -static char *ssl_capath = NULL; +static const char *ssl_capath = NULL; #endif -static char *ssl_cainfo = NULL; +static const char *ssl_cainfo = NULL; static long curl_low_speed_limit = -1; static long curl_low_speed_time = -1; static int curl_ftp_no_epsv = 0; @@ -30,10 +30,11 @@ static struct curl_slist *pragma_header; static struct active_request_slot *active_queue_head = NULL; -size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, - struct buffer *buffer) +size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *buffer_) { size_t size = eltsize * nmemb; + struct buffer *buffer = buffer_; + if (size > buffer->buf.len - buffer->posn) size = buffer->buf.len - buffer->posn; memcpy(ptr, buffer->buf.buf + buffer->posn, size); @@ -42,17 +43,17 @@ size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, return size; } -size_t fwrite_buffer(const void *ptr, size_t eltsize, - size_t nmemb, struct strbuf *buffer) +size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *buffer_) { size_t size = eltsize * nmemb; + struct strbuf *buffer = buffer_; + strbuf_add(buffer, ptr, size); data_received++; return size; } -size_t fwrite_null(const void *ptr, size_t eltsize, - size_t nmemb, struct strbuf *buffer) +size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf) { data_received++; return eltsize * nmemb; @@ -90,7 +91,7 @@ static void process_curl_messages(void) } #endif -static int http_options(const char *var, const char *value) +static int http_options(const char *var, const char *value, void *cb) { if (!strcmp("http.sslverify", var)) { if (curl_ssl_verify == -1) { @@ -100,39 +101,27 @@ static int http_options(const char *var, const char *value) } if (!strcmp("http.sslcert", var)) { - if (ssl_cert == NULL) { - if (!value) - return config_error_nonbool(var); - ssl_cert = xstrdup(value); - } + if (ssl_cert == NULL) + return git_config_string(&ssl_cert, var, value); return 0; } #if LIBCURL_VERSION_NUM >= 0x070902 if (!strcmp("http.sslkey", var)) { - if (ssl_key == NULL) { - if (!value) - return config_error_nonbool(var); - ssl_key = xstrdup(value); - } + if (ssl_key == NULL) + return git_config_string(&ssl_key, var, value); return 0; } #endif #if LIBCURL_VERSION_NUM >= 0x070908 if (!strcmp("http.sslcapath", var)) { - if (ssl_capath == NULL) { - if (!value) - return config_error_nonbool(var); - ssl_capath = xstrdup(value); - } + if (ssl_capath == NULL) + return git_config_string(&ssl_capath, var, value); return 0; } #endif if (!strcmp("http.sslcainfo", var)) { - if (ssl_cainfo == NULL) { - if (!value) - return config_error_nonbool(var); - ssl_cainfo = xstrdup(value); - } + if (ssl_cainfo == NULL) + return git_config_string(&ssl_cainfo, var, value); return 0; } @@ -169,7 +158,7 @@ static int http_options(const char *var, const char *value) } /* Fall back on the default ones */ - return git_default_config(var, value); + return git_default_config(var, value, cb); } static CURL* get_curl_handle(void) @@ -263,7 +252,7 @@ void http_init(struct remote *remote) if (low_speed_time != NULL) curl_low_speed_time = strtol(low_speed_time, NULL, 10); - git_config(http_options); + git_config(http_options, NULL); if (curl_ssl_verify == -1) curl_ssl_verify = 1; @@ -583,7 +572,7 @@ static char *quote_ref_url(const char *base, const char *ref) int len, baselen, ch; baselen = strlen(base); - len = baselen + 7; /* "/refs/" + NUL */ + len = baselen + 2; /* '/' after base and terminating NUL */ for (cp = ref; (ch = *cp) != 0; cp++, len++) if (needs_quote(ch)) len += 2; /* extra two hex plus replacement % */ @@ -64,12 +64,9 @@ struct buffer }; /* Curl request read/write callbacks */ -extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, - struct buffer *buffer); -extern size_t fwrite_buffer(const void *ptr, size_t eltsize, - size_t nmemb, struct strbuf *buffer); -extern size_t fwrite_null(const void *ptr, size_t eltsize, - size_t nmemb, struct strbuf *buffer); +extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *strbuf); +extern size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf); +extern size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf); /* Slot lifecycle functions */ extern struct active_request_slot *get_active_slot(void); diff --git a/imap-send.c b/imap-send.c index db6559725e..1ec1310921 100644 --- a/imap-send.c +++ b/imap-send.c @@ -1247,7 +1247,7 @@ static imap_server_conf_t server = static char *imap_folder; static int -git_imap_config(const char *key, const char *val) +git_imap_config(const char *key, const char *val, void *cb) { char imap_key[] = "imap."; @@ -1296,7 +1296,7 @@ main(int argc, char **argv) /* init the random number generator */ arc4_init(); - git_config( git_imap_config ); + git_config(git_imap_config, NULL); if (!imap_folder) { fprintf( stderr, "no imap store specified\n" ); diff --git a/index-pack.c b/index-pack.c index 9c0c27813f..25db5db24b 100644 --- a/index-pack.c +++ b/index-pack.c @@ -190,7 +190,8 @@ static void parse_pack_header(void) if (hdr->hdr_signature != htonl(PACK_SIGNATURE)) die("pack signature mismatch"); if (!pack_version_ok(hdr->hdr_version)) - die("pack version %d unsupported", ntohl(hdr->hdr_version)); + die("pack version %"PRIu32" unsupported", + ntohl(hdr->hdr_version)); nr_objects = ntohl(hdr->hdr_entries); use(sizeof(struct pack_header)); @@ -694,6 +695,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name, if (!from_stdin) { close(input_fd); } else { + fsync_or_die(output_fd, curr_pack_name); err = close(output_fd); if (err) die("error while closing pack file: %s", strerror(errno)); @@ -765,15 +767,16 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } } -static int git_index_pack_config(const char *k, const char *v) +static int git_index_pack_config(const char *k, const char *v, void *cb) { if (!strcmp(k, "pack.indexversion")) { pack_idx_default_version = git_config_int(k, v); if (pack_idx_default_version > 2) - die("bad pack.indexversion=%d", pack_idx_default_version); + die("bad pack.indexversion=%"PRIu32, + pack_idx_default_version); return 0; } - return git_default_config(k, v); + return git_default_config(k, v, cb); } int main(int argc, char **argv) @@ -786,7 +789,7 @@ int main(int argc, char **argv) struct pack_idx_entry **idx_objects; unsigned char sha1[20]; - git_config(git_index_pack_config); + git_config(git_index_pack_config, NULL); for (i = 1; i < argc; i++) { char *arg = argv[i]; diff --git a/ll-merge.c b/ll-merge.c index 5ae74331bc..9837c842a3 100644 --- a/ll-merge.c +++ b/ll-merge.c @@ -225,7 +225,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, static struct ll_merge_driver *ll_user_merge, **ll_user_merge_tail; static const char *default_ll_merge; -static int read_merge_config(const char *var, const char *value) +static int read_merge_config(const char *var, const char *value, void *cb) { struct ll_merge_driver *fn; const char *ep, *name; @@ -309,7 +309,7 @@ static void initialize_ll_merge(void) if (ll_user_merge_tail) return; ll_user_merge_tail = &ll_user_merge; - git_config(read_merge_config); + git_config(read_merge_config, NULL); } static const struct ll_merge_driver *find_ll_merge_driver(const char *merge_attr) diff --git a/lockfile.c b/lockfile.c index 663f18f9c4..4023797b00 100644 --- a/lockfile.c +++ b/lockfile.c @@ -24,7 +24,7 @@ static void remove_lock_file(void) static void remove_lock_file_on_signal(int signo) { remove_lock_file(); - signal(SIGINT, SIG_DFL); + signal(signo, SIG_DFL); raise(signo); } @@ -135,6 +135,9 @@ static int lock_file(struct lock_file *lk, const char *path) if (0 <= lk->fd) { if (!lock_file_list) { signal(SIGINT, remove_lock_file_on_signal); + signal(SIGHUP, remove_lock_file_on_signal); + signal(SIGTERM, remove_lock_file_on_signal); + signal(SIGQUIT, remove_lock_file_on_signal); atexit(remove_lock_file); } lk->owner = getpid(); @@ -160,6 +163,34 @@ int hold_lock_file_for_update(struct lock_file *lk, const char *path, int die_on return fd; } +int hold_lock_file_for_append(struct lock_file *lk, const char *path, int die_on_error) +{ + int fd, orig_fd; + + fd = lock_file(lk, path); + if (fd < 0) { + if (die_on_error) + die("unable to create '%s.lock': %s", path, strerror(errno)); + return fd; + } + + orig_fd = open(path, O_RDONLY); + if (orig_fd < 0) { + if (errno != ENOENT) { + if (die_on_error) + die("cannot open '%s' for copying", path); + close(fd); + return error("cannot open '%s' for copying", path); + } + } else if (copy_fd(orig_fd, fd)) { + if (die_on_error) + exit(128); + close(fd); + return -1; + } + return fd; +} + int close_lock_file(struct lock_file *lk) { int fd = lk->fd; diff --git a/log-tree.c b/log-tree.c index d3fb0e520c..5505606ed6 100644 --- a/log-tree.c +++ b/log-tree.c @@ -1,6 +1,7 @@ #include "cache.h" #include "diff.h" #include "commit.h" +#include "graph.h" #include "log-tree.h" #include "reflog-walk.h" @@ -165,11 +166,16 @@ void log_write_email_headers(struct rev_info *opt, const char *name, } printf("From %s Mon Sep 17 00:00:00 2001\n", name); - if (opt->message_id) + graph_show_oneline(opt->graph); + if (opt->message_id) { printf("Message-Id: <%s>\n", opt->message_id); - if (opt->ref_message_id) + graph_show_oneline(opt->graph); + } + if (opt->ref_message_id) { printf("In-Reply-To: <%s>\nReferences: <%s>\n", opt->ref_message_id, opt->ref_message_id); + graph_show_oneline(opt->graph); + } if (opt->mime_boundary) { static char subject_buffer[1024]; static char buffer[1024]; @@ -220,20 +226,28 @@ void show_log(struct rev_info *opt) opt->loginfo = NULL; if (!opt->verbose_header) { - if (commit->object.flags & BOUNDARY) - putchar('-'); - else if (commit->object.flags & UNINTERESTING) - putchar('^'); - else if (opt->left_right) { - if (commit->object.flags & SYMMETRIC_LEFT) - putchar('<'); - else - putchar('>'); + graph_show_commit(opt->graph); + + if (!opt->graph) { + if (commit->object.flags & BOUNDARY) + putchar('-'); + else if (commit->object.flags & UNINTERESTING) + putchar('^'); + else if (opt->left_right) { + if (commit->object.flags & SYMMETRIC_LEFT) + putchar('<'); + else + putchar('>'); + } } fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout); - if (opt->parents) + if (opt->print_parents) show_parents(commit, abbrev_commit); show_decorations(commit); + if (opt->graph && !graph_is_commit_finished(opt->graph)) { + putchar('\n'); + graph_show_remainder(opt->graph); + } putchar(opt->diffopt.line_termination); return; } @@ -243,11 +257,33 @@ void show_log(struct rev_info *opt) * Otherwise, add a diffopt.line_termination character before all * entries but the first. (IOW, as a separator between entries) */ - if (opt->shown_one && !opt->use_terminator) + if (opt->shown_one && !opt->use_terminator) { + /* + * If entries are separated by a newline, the output + * should look human-readable. If the last entry ended + * with a newline, print the graph output before this + * newline. Otherwise it will end up as a completely blank + * line and will look like a gap in the graph. + * + * If the entry separator is not a newline, the output is + * primarily intended for programmatic consumption, and we + * never want the extra graph output before the entry + * separator. + */ + if (opt->diffopt.line_termination == '\n' && + !opt->missing_newline) + graph_show_padding(opt->graph); putchar(opt->diffopt.line_termination); + } opt->shown_one = 1; /* + * If the history graph was requested, + * print the graph, up to this commit's line + */ + graph_show_commit(opt->graph); + + /* * Print header line of header.. */ @@ -259,19 +295,22 @@ void show_log(struct rev_info *opt) fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), stdout); if (opt->commit_format != CMIT_FMT_ONELINE) fputs("commit ", stdout); - if (commit->object.flags & BOUNDARY) - putchar('-'); - else if (commit->object.flags & UNINTERESTING) - putchar('^'); - else if (opt->left_right) { - if (commit->object.flags & SYMMETRIC_LEFT) - putchar('<'); - else - putchar('>'); + + if (!opt->graph) { + if (commit->object.flags & BOUNDARY) + putchar('-'); + else if (commit->object.flags & UNINTERESTING) + putchar('^'); + else if (opt->left_right) { + if (commit->object.flags & SYMMETRIC_LEFT) + putchar('<'); + else + putchar('>'); + } } fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout); - if (opt->parents) + if (opt->print_parents) show_parents(commit, abbrev_commit); if (parent) printf(" (from %s)", @@ -279,8 +318,19 @@ void show_log(struct rev_info *opt) abbrev_commit)); show_decorations(commit); printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET)); - putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n'); + if (opt->commit_format == CMIT_FMT_ONELINE) { + putchar(' '); + } else { + putchar('\n'); + graph_show_oneline(opt->graph); + } if (opt->reflog_info) { + /* + * setup_revisions() ensures that opt->reflog_info + * and opt->graph cannot both be set, + * so we don't need to worry about printing the + * graph info here. + */ show_reflog_message(opt->reflog_info, opt->commit_format == CMIT_FMT_ONELINE, opt->date_mode); @@ -304,13 +354,30 @@ void show_log(struct rev_info *opt) if (opt->add_signoff) append_signoff(&msgbuf, opt->add_signoff); - if (opt->show_log_size) + if (opt->show_log_size) { printf("log size %i\n", (int)msgbuf.len); + graph_show_oneline(opt->graph); + } - if (msgbuf.len) + /* + * Set opt->missing_newline if msgbuf doesn't + * end in a newline (including if it is empty) + */ + if (!msgbuf.len || msgbuf.buf[msgbuf.len - 1] != '\n') + opt->missing_newline = 1; + else + opt->missing_newline = 0; + + if (opt->graph) + graph_show_commit_msg(opt->graph, &msgbuf); + else fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); - if (opt->use_terminator) + if (opt->use_terminator) { + if (!opt->missing_newline) + graph_show_padding(opt->graph); putchar('\n'); + } + strbuf_release(&msgbuf); } diff --git a/pack-check.c b/pack-check.c index 0f8ad2c00f..f596bf2db5 100644 --- a/pack-check.c +++ b/pack-check.c @@ -4,8 +4,9 @@ struct idx_entry { - const unsigned char *sha1; off_t offset; + const unsigned char *sha1; + unsigned int nr; }; static int compare_entries(const void *e1, const void *e2) @@ -19,16 +20,38 @@ static int compare_entries(const void *e1, const void *e2) return 0; } +int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, + off_t offset, off_t len, unsigned int nr) +{ + const uint32_t *index_crc; + uint32_t data_crc = crc32(0, Z_NULL, 0); + + do { + unsigned int avail; + void *data = use_pack(p, w_curs, offset, &avail); + if (avail > len) + avail = len; + data_crc = crc32(data_crc, data, avail); + offset += avail; + len -= avail; + } while (len); + + index_crc = p->index_data; + index_crc += 2 + 256 + p->num_objects * (20/4) + nr; + + return data_crc != ntohl(*index_crc); +} + static int verify_packfile(struct packed_git *p, struct pack_window **w_curs) { off_t index_size = p->index_size; const unsigned char *index_base = p->index_data; SHA_CTX ctx; - unsigned char sha1[20]; - off_t offset = 0, pack_sig = p->pack_size - 20; + unsigned char sha1[20], *pack_sig; + off_t offset = 0, pack_sig_ofs = p->pack_size - 20; uint32_t nr_objects, i; - int err; + int err = 0; struct idx_entry *entries; /* Note that the pack header checks are actually performed by @@ -38,21 +61,22 @@ static int verify_packfile(struct packed_git *p, */ SHA1_Init(&ctx); - while (offset < pack_sig) { + while (offset < pack_sig_ofs) { unsigned int remaining; unsigned char *in = use_pack(p, w_curs, offset, &remaining); offset += remaining; - if (offset > pack_sig) - remaining -= (unsigned int)(offset - pack_sig); + if (offset > pack_sig_ofs) + remaining -= (unsigned int)(offset - pack_sig_ofs); SHA1_Update(&ctx, in, remaining); } SHA1_Final(sha1, &ctx); - if (hashcmp(sha1, use_pack(p, w_curs, pack_sig, NULL))) - return error("Packfile %s SHA1 mismatch with itself", - p->pack_name); - if (hashcmp(sha1, index_base + index_size - 40)) - return error("Packfile %s SHA1 mismatch with idx", - p->pack_name); + pack_sig = use_pack(p, w_curs, pack_sig_ofs, NULL); + if (hashcmp(sha1, pack_sig)) + err = error("%s SHA1 checksum mismatch", + p->pack_name); + if (hashcmp(index_base + index_size - 40, pack_sig)) + err = error("%s SHA1 does not match its inddex", + p->pack_name); unuse_pack(w_curs); /* Make sure everything reachable from idx is valid. Since we @@ -60,34 +84,45 @@ static int verify_packfile(struct packed_git *p, * we do not do scan-streaming check on the pack file. */ nr_objects = p->num_objects; - entries = xmalloc(nr_objects * sizeof(*entries)); + entries = xmalloc((nr_objects + 1) * sizeof(*entries)); + entries[nr_objects].offset = pack_sig_ofs; /* first sort entries by pack offset, since unpacking them is more efficient that way */ for (i = 0; i < nr_objects; i++) { entries[i].sha1 = nth_packed_object_sha1(p, i); if (!entries[i].sha1) die("internal error pack-check nth-packed-object"); - entries[i].offset = find_pack_entry_one(entries[i].sha1, p); - if (!entries[i].offset) - die("internal error pack-check find-pack-entry-one"); + entries[i].offset = nth_packed_object_offset(p, i); + entries[i].nr = i; } qsort(entries, nr_objects, sizeof(*entries), compare_entries); - for (i = 0, err = 0; i < nr_objects; i++) { + for (i = 0; i < nr_objects; i++) { void *data; enum object_type type; unsigned long size; + if (p->index_version > 1) { + off_t offset = entries[i].offset; + off_t len = entries[i+1].offset - offset; + unsigned int nr = entries[i].nr; + if (check_pack_crc(p, w_curs, offset, len, nr)) + err = error("index CRC mismatch for object %s " + "from %s at offset %"PRIuMAX"", + sha1_to_hex(entries[i].sha1), + p->pack_name, (uintmax_t)offset); + } data = unpack_entry(p, entries[i].offset, &type, &size); if (!data) { - err = error("cannot unpack %s from %s", - sha1_to_hex(entries[i].sha1), p->pack_name); - continue; + err = error("cannot unpack %s from %s at offset %"PRIuMAX"", + sha1_to_hex(entries[i].sha1), p->pack_name, + (uintmax_t)entries[i].offset); + break; } if (check_sha1_signature(entries[i].sha1, data, size, typename(type))) { err = error("packed %s from %s is corrupt", sha1_to_hex(entries[i].sha1), p->pack_name); free(data); - continue; + break; } free(data); } @@ -96,99 +131,31 @@ static int verify_packfile(struct packed_git *p, return err; } - -#define MAX_CHAIN 50 - -static void show_pack_info(struct packed_git *p) -{ - uint32_t nr_objects, i, chain_histogram[MAX_CHAIN+1]; - - nr_objects = p->num_objects; - memset(chain_histogram, 0, sizeof(chain_histogram)); - init_pack_revindex(); - - for (i = 0; i < nr_objects; i++) { - const unsigned char *sha1; - unsigned char base_sha1[20]; - const char *type; - unsigned long size; - unsigned long store_size; - off_t offset; - unsigned int delta_chain_length; - - sha1 = nth_packed_object_sha1(p, i); - if (!sha1) - die("internal error pack-check nth-packed-object"); - offset = find_pack_entry_one(sha1, p); - if (!offset) - die("internal error pack-check find-pack-entry-one"); - - type = packed_object_info_detail(p, offset, &size, &store_size, - &delta_chain_length, - base_sha1); - printf("%s ", sha1_to_hex(sha1)); - if (!delta_chain_length) - printf("%-6s %lu %lu %"PRIuMAX"\n", - type, size, store_size, (uintmax_t)offset); - else { - printf("%-6s %lu %lu %"PRIuMAX" %u %s\n", - type, size, store_size, (uintmax_t)offset, - delta_chain_length, sha1_to_hex(base_sha1)); - if (delta_chain_length <= MAX_CHAIN) - chain_histogram[delta_chain_length]++; - else - chain_histogram[0]++; - } - } - - for (i = 0; i <= MAX_CHAIN; i++) { - if (!chain_histogram[i]) - continue; - printf("chain length = %d: %d object%s\n", i, - chain_histogram[i], chain_histogram[i] > 1 ? "s" : ""); - } - if (chain_histogram[0]) - printf("chain length > %d: %d object%s\n", MAX_CHAIN, - chain_histogram[0], chain_histogram[0] > 1 ? "s" : ""); -} - -int verify_pack(struct packed_git *p, int verbose) +int verify_pack(struct packed_git *p) { off_t index_size; const unsigned char *index_base; SHA_CTX ctx; unsigned char sha1[20]; - int ret; + int err = 0; + struct pack_window *w_curs = NULL; if (open_pack_index(p)) return error("packfile %s index not opened", p->pack_name); index_size = p->index_size; index_base = p->index_data; - ret = 0; /* Verify SHA1 sum of the index file */ SHA1_Init(&ctx); SHA1_Update(&ctx, index_base, (unsigned int)(index_size - 20)); SHA1_Final(sha1, &ctx); if (hashcmp(sha1, index_base + index_size - 20)) - ret = error("Packfile index for %s SHA1 mismatch", + err = error("Packfile index for %s SHA1 mismatch", p->pack_name); - if (!ret) { - /* Verify pack file */ - struct pack_window *w_curs = NULL; - ret = verify_packfile(p, &w_curs); - unuse_pack(&w_curs); - } - - if (verbose) { - if (ret) - printf("%s: bad\n", p->pack_name); - else { - show_pack_info(p); - printf("%s: ok\n", p->pack_name); - } - } + /* Verify pack file */ + err |= verify_packfile(p, &w_curs); + unuse_pack(&w_curs); - return ret; + return err; } diff --git a/pack-refs.c b/pack-refs.c new file mode 100644 index 0000000000..848d311c2b --- /dev/null +++ b/pack-refs.c @@ -0,0 +1,117 @@ +#include "cache.h" +#include "refs.h" +#include "tag.h" +#include "pack-refs.h" + +struct ref_to_prune { + struct ref_to_prune *next; + unsigned char sha1[20]; + char name[FLEX_ARRAY]; +}; + +struct pack_refs_cb_data { + unsigned int flags; + struct ref_to_prune *ref_to_prune; + FILE *refs_file; +}; + +static int do_not_prune(int flags) +{ + /* If it is already packed or if it is a symref, + * do not prune it. + */ + return (flags & (REF_ISSYMREF|REF_ISPACKED)); +} + +static int handle_one_ref(const char *path, const unsigned char *sha1, + int flags, void *cb_data) +{ + struct pack_refs_cb_data *cb = cb_data; + int is_tag_ref; + + /* Do not pack the symbolic refs */ + if ((flags & REF_ISSYMREF)) + return 0; + is_tag_ref = !prefixcmp(path, "refs/tags/"); + + /* ALWAYS pack refs that were already packed or are tags */ + if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref && !(flags & REF_ISPACKED)) + return 0; + + fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path); + if (is_tag_ref) { + struct object *o = parse_object(sha1); + if (o->type == OBJ_TAG) { + o = deref_tag(o, path, 0); + if (o) + fprintf(cb->refs_file, "^%s\n", + sha1_to_hex(o->sha1)); + } + } + + if ((cb->flags & PACK_REFS_PRUNE) && !do_not_prune(flags)) { + int namelen = strlen(path) + 1; + struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen); + hashcpy(n->sha1, sha1); + strcpy(n->name, path); + n->next = cb->ref_to_prune; + cb->ref_to_prune = n; + } + return 0; +} + +/* make sure nobody touched the ref, and unlink */ +static void prune_ref(struct ref_to_prune *r) +{ + struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1); + + if (lock) { + unlink(git_path("%s", r->name)); + unlock_ref(lock); + } +} + +static void prune_refs(struct ref_to_prune *r) +{ + while (r) { + prune_ref(r); + r = r->next; + } +} + +static struct lock_file packed; + +int pack_refs(unsigned int flags) +{ + int fd; + struct pack_refs_cb_data cbdata; + + memset(&cbdata, 0, sizeof(cbdata)); + cbdata.flags = flags; + + fd = hold_lock_file_for_update(&packed, git_path("packed-refs"), 1); + cbdata.refs_file = fdopen(fd, "w"); + if (!cbdata.refs_file) + die("unable to create ref-pack file structure (%s)", + strerror(errno)); + + /* perhaps other traits later as well */ + fprintf(cbdata.refs_file, "# pack-refs with: peeled \n"); + + for_each_ref(handle_one_ref, &cbdata); + if (ferror(cbdata.refs_file)) + die("failed to write ref-pack file"); + if (fflush(cbdata.refs_file) || fsync(fd) || fclose(cbdata.refs_file)) + die("failed to write ref-pack file (%s)", strerror(errno)); + /* + * Since the lock file was fdopen()'ed and then fclose()'ed above, + * assign -1 to the lock file descriptor so that commit_lock_file() + * won't try to close() it. + */ + packed.fd = -1; + if (commit_lock_file(&packed) < 0) + die("unable to overwrite old ref-pack file (%s)", strerror(errno)); + if (cbdata.flags & PACK_REFS_PRUNE) + prune_refs(cbdata.ref_to_prune); + return 0; +} diff --git a/pack-refs.h b/pack-refs.h new file mode 100644 index 0000000000..518acfb370 --- /dev/null +++ b/pack-refs.h @@ -0,0 +1,18 @@ +#ifndef PACK_REFS_H +#define PACK_REFS_H + +/* + * Flags for controlling behaviour of pack_refs() + * PACK_REFS_PRUNE: Prune loose refs after packing + * PACK_REFS_ALL: Pack _all_ refs, not just tags and already packed refs + */ +#define PACK_REFS_PRUNE 0x0001 +#define PACK_REFS_ALL 0x0002 + +/* + * Write a packed-refs file for the current repository. + * flags: Combination of the above PACK_REFS_* flags. + */ +int pack_refs(unsigned int flags); + +#endif /* PACK_REFS_H */ diff --git a/pack-revindex.c b/pack-revindex.c index a8aa2cd6ca..cd300bdff5 100644 --- a/pack-revindex.c +++ b/pack-revindex.c @@ -40,7 +40,7 @@ static int pack_revindex_ix(struct packed_git *p) return -1 - i; } -void init_pack_revindex(void) +static void init_pack_revindex(void) { int num; struct packed_git *p; @@ -118,9 +118,11 @@ struct revindex_entry *find_pack_revindex(struct packed_git *p, off_t ofs) struct pack_revindex *rix; struct revindex_entry *revindex; + if (!pack_revindex_hashsz) + init_pack_revindex(); num = pack_revindex_ix(p); if (num < 0) - die("internal error: pack revindex uninitialized"); + die("internal error: pack revindex fubar"); rix = &pack_revindex[num]; if (!rix->revindex) diff --git a/pack-revindex.h b/pack-revindex.h index c3527a7565..36a514a6cf 100644 --- a/pack-revindex.h +++ b/pack-revindex.h @@ -6,7 +6,6 @@ struct revindex_entry { unsigned int nr; }; -void init_pack_revindex(void); struct revindex_entry *find_pack_revindex(struct packed_git *p, off_t ofs); #endif diff --git a/pack-write.c b/pack-write.c index c66c8af725..a8f0269936 100644 --- a/pack-write.c +++ b/pack-write.c @@ -2,7 +2,7 @@ #include "pack.h" #include "csum-file.h" -uint32_t pack_idx_default_version = 1; +uint32_t pack_idx_default_version = 2; uint32_t pack_idx_off32_limit = 0x7fffffff; static int sha1_compare(const void *_a, const void *_b) @@ -139,7 +139,7 @@ char *write_idx_file(char *index_name, struct pack_idx_entry **objects, } sha1write(f, sha1, 20); - sha1close(f, NULL, 1); + sha1close(f, NULL, CSUM_FSYNC); SHA1_Final(sha1, &ctx); return index_name; } @@ -56,8 +56,8 @@ struct pack_idx_entry { }; extern char *write_idx_file(char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1); - -extern int verify_pack(struct packed_git *, int); +extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr); +extern int verify_pack(struct packed_git *); extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t); extern char *index_pack_lockfile(int fd); @@ -1,12 +1,13 @@ #include "cache.h" /* - * This is split up from the rest of git so that we might do - * something different on Windows, for example. + * This is split up from the rest of git so that we can do + * something different on Windows. */ static int spawned_pager; +#ifndef __MINGW32__ static void run_pager(const char *pager) { /* @@ -22,18 +23,38 @@ static void run_pager(const char *pager) execlp(pager, pager, NULL); execl("/bin/sh", "sh", "-c", pager, NULL); } +#else +#include "run-command.h" + +static const char *pager_argv[] = { "sh", "-c", NULL, NULL }; +static struct child_process pager_process = { + .argv = pager_argv, + .in = -1 +}; +static void wait_for_pager(void) +{ + fflush(stdout); + fflush(stderr); + /* signal EOF to pager */ + close(1); + close(2); + finish_command(&pager_process); +} +#endif void setup_pager(void) { +#ifndef __MINGW32__ pid_t pid; int fd[2]; +#endif const char *pager = getenv("GIT_PAGER"); if (!isatty(1)) return; if (!pager) { if (!pager_program) - git_config(git_default_config); + git_config(git_default_config, NULL); pager = pager_program; } if (!pager) @@ -45,6 +66,7 @@ void setup_pager(void) spawned_pager = 1; /* means we are emitting to terminal */ +#ifndef __MINGW32__ if (pipe(fd) < 0) return; pid = fork(); @@ -72,6 +94,20 @@ void setup_pager(void) run_pager(pager); die("unable to execute pager '%s'", pager); exit(255); +#else + /* spawn the pager */ + pager_argv[2] = pager; + if (start_command(&pager_process)) + return; + + /* original process continues, but writes to the pipe */ + dup2(pager_process.in, 1); + dup2(pager_process.in, 2); + close(pager_process.in); + + /* this makes sure that the parent terminates after the pager */ + atexit(wait_for_pager); +#endif } int pager_in_use(void) diff --git a/parse-options.c b/parse-options.c index acf3fe3a1a..b8bde2b04a 100644 --- a/parse-options.c +++ b/parse-options.c @@ -312,8 +312,12 @@ void usage_with_options_internal(const char * const *usagestr, fprintf(stderr, "usage: %s\n", *usagestr++); while (*usagestr && **usagestr) fprintf(stderr, " or: %s\n", *usagestr++); - while (*usagestr) - fprintf(stderr, " %s\n", *usagestr++); + while (*usagestr) { + fprintf(stderr, "%s%s\n", + **usagestr ? " " : "", + *usagestr); + usagestr++; + } if (opts->type != OPTION_GROUP) fputc('\n', stderr); @@ -344,7 +348,10 @@ void usage_with_options_internal(const char * const *usagestr, break; case OPTION_INTEGER: if (opts->flags & PARSE_OPT_OPTARG) - pos += fprintf(stderr, "[<n>]"); + if (opts->long_name) + pos += fprintf(stderr, "[=<n>]"); + else + pos += fprintf(stderr, "[<n>]"); else pos += fprintf(stderr, " <n>"); break; @@ -355,12 +362,18 @@ void usage_with_options_internal(const char * const *usagestr, case OPTION_STRING: if (opts->argh) { if (opts->flags & PARSE_OPT_OPTARG) - pos += fprintf(stderr, " [<%s>]", opts->argh); + if (opts->long_name) + pos += fprintf(stderr, "[=<%s>]", opts->argh); + else + pos += fprintf(stderr, "[<%s>]", opts->argh); else pos += fprintf(stderr, " <%s>", opts->argh); } else { if (opts->flags & PARSE_OPT_OPTARG) - pos += fprintf(stderr, " [...]"); + if (opts->long_name) + pos += fprintf(stderr, "[=...]"); + else + pos += fprintf(stderr, "[...]"); else pos += fprintf(stderr, " ..."); } @@ -291,70 +291,56 @@ int adjust_shared_perm(const char *path) return 0; } -/* We allow "recursive" symbolic links. Only within reason, though. */ -#define MAXDEPTH 5 - -const char *make_absolute_path(const char *path) +static const char *get_pwd_cwd(void) { - static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1]; - char cwd[1024] = ""; - int buf_index = 1, len; - - int depth = MAXDEPTH; - char *last_elem = NULL; - struct stat st; - - if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) - die ("Too long path: %.*s", 60, path); - - while (depth--) { - if (stat(buf, &st) || !S_ISDIR(st.st_mode)) { - char *last_slash = strrchr(buf, '/'); - if (last_slash) { - *last_slash = '\0'; - last_elem = xstrdup(last_slash + 1); - } else { - last_elem = xstrdup(buf); - *buf = '\0'; - } + static char cwd[PATH_MAX + 1]; + char *pwd; + struct stat cwd_stat, pwd_stat; + if (getcwd(cwd, PATH_MAX) == NULL) + return NULL; + pwd = getenv("PWD"); + if (pwd && strcmp(pwd, cwd)) { + stat(cwd, &cwd_stat); + if (!stat(pwd, &pwd_stat) && + pwd_stat.st_dev == cwd_stat.st_dev && + pwd_stat.st_ino == cwd_stat.st_ino) { + strlcpy(cwd, pwd, PATH_MAX); } + } + return cwd; +} - if (*buf) { - if (!*cwd && !getcwd(cwd, sizeof(cwd))) - die ("Could not get current working directory"); - - if (chdir(buf)) - die ("Could not switch to '%s'", buf); - } - if (!getcwd(buf, PATH_MAX)) - die ("Could not get current working directory"); - - if (last_elem) { - int len = strlen(buf); - if (len + strlen(last_elem) + 2 > PATH_MAX) - die ("Too long path name: '%s/%s'", - buf, last_elem); - buf[len] = '/'; - strcpy(buf + len + 1, last_elem); - free(last_elem); - last_elem = NULL; - } +const char *make_nonrelative_path(const char *path) +{ + static char buf[PATH_MAX + 1]; - if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) { - len = readlink(buf, next_buf, PATH_MAX); - if (len < 0) - die ("Invalid symlink: %s", buf); - next_buf[len] = '\0'; - buf = next_buf; - buf_index = 1 - buf_index; - next_buf = bufs[buf_index]; - } else - break; + if (is_absolute_path(path)) { + if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) + die ("Too long path: %.*s", 60, path); + } else { + const char *cwd = get_pwd_cwd(); + if (!cwd) + die("Cannot determine the current working directory"); + if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX) + die ("Too long path: %.*s", 60, path); } + return buf; +} - if (*cwd && chdir(cwd)) - die ("Could not change back to '%s'", cwd); - +const char *make_relative_path(const char *abs, const char *base) +{ + static char buf[PATH_MAX + 1]; + int baselen; + if (!base) + return abs; + baselen = strlen(base); + if (prefixcmp(abs, base)) + return abs; + if (abs[baselen] == '/') + baselen++; + else if (base[baselen - 1] != '/') + return abs; + strcpy(buf, abs + baselen); return buf; } diff --git a/perl/Git.pm b/perl/Git.pm index 2e7f896bae..97e61efaff 100644 --- a/perl/Git.pm +++ b/perl/Git.pm @@ -39,6 +39,10 @@ $VERSION = '0.01'; my $lastrev = $repo->command_oneline( [ 'rev-list', '--all' ], STDERR => 0 ); + my $sha1 = $repo->hash_and_insert_object('file.txt'); + my $tempfile = tempfile(); + my $size = $repo->cat_blob($sha1, $tempfile); + =cut @@ -51,6 +55,7 @@ require Exporter; # Methods which can be called as standalone functions as well: @EXPORT_OK = qw(command command_oneline command_noisy command_output_pipe command_input_pipe command_close_pipe + command_bidi_pipe command_close_bidi_pipe version exec_path hash_object git_cmd_try); @@ -92,6 +97,7 @@ increate nonwithstanding). use Carp qw(carp croak); # but croak is bad - throw instead use Error qw(:try); use Cwd qw(abs_path); +use IPC::Open2 qw(open2); } @@ -216,7 +222,6 @@ sub repository { bless $self, $class; } - =back =head1 METHODS @@ -375,6 +380,60 @@ sub command_close_pipe { _cmd_close($fh, $ctx); } +=item command_bidi_pipe ( COMMAND [, ARGUMENTS... ] ) + +Execute the given C<COMMAND> in the same way as command_output_pipe() +does but return both an input pipe filehandle and an output pipe filehandle. + +The function will return return C<($pid, $pipe_in, $pipe_out, $ctx)>. +See C<command_close_bidi_pipe()> for details. + +=cut + +sub command_bidi_pipe { + my ($pid, $in, $out); + $pid = open2($in, $out, 'git', @_); + return ($pid, $in, $out, join(' ', @_)); +} + +=item command_close_bidi_pipe ( PID, PIPE_IN, PIPE_OUT [, CTX] ) + +Close the C<PIPE_IN> and C<PIPE_OUT> as returned from C<command_bidi_pipe()>, +checking whether the command finished successfully. The optional C<CTX> +argument is required if you want to see the command name in the error message, +and it is the fourth value returned by C<command_bidi_pipe()>. The call idiom +is: + + my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe('cat-file --batch-check'); + print "000000000\n" $out; + while (<$in>) { ... } + $r->command_close_bidi_pipe($pid, $in, $out, $ctx); + +Note that you should not rely on whatever actually is in C<CTX>; +currently it is simply the command name but in future the context might +have more complicated structure. + +=cut + +sub command_close_bidi_pipe { + my ($pid, $in, $out, $ctx) = @_; + foreach my $fh ($in, $out) { + unless (close $fh) { + if ($!) { + carp "error closing pipe: $!"; + } elsif ($? >> 8) { + throw Git::Error::Command($ctx, $? >>8); + } + } + } + + waitpid $pid, 0; + + if ($? >> 8) { + throw Git::Error::Command($ctx, $? >>8); + } +} + =item command_noisy ( COMMAND [, ARGUMENTS... ] ) @@ -506,7 +565,7 @@ sub config { my $E = shift; if ($E->value() == 1) { # Key not found. - return undef; + return; } else { throw $E; } @@ -660,9 +719,8 @@ sub ident_person { =item hash_object ( TYPE, FILENAME ) -Compute the SHA1 object id of the given C<FILENAME> (or data waiting in -C<FILEHANDLE>) considering it is of the C<TYPE> object type (C<blob>, -C<commit>, C<tree>). +Compute the SHA1 object id of the given C<FILENAME> considering it is +of the C<TYPE> object type (C<blob>, C<commit>, C<tree>). The method can be called without any instance or on a specified Git repository, it makes zero difference. @@ -678,6 +736,147 @@ sub hash_object { } +=item hash_and_insert_object ( FILENAME ) + +Compute the SHA1 object id of the given C<FILENAME> and add the object to the +object database. + +The function returns the SHA1 hash. + +=cut + +# TODO: Support for passing FILEHANDLE instead of FILENAME +sub hash_and_insert_object { + my ($self, $filename) = @_; + + carp "Bad filename \"$filename\"" if $filename =~ /[\r\n]/; + + $self->_open_hash_and_insert_object_if_needed(); + my ($in, $out) = ($self->{hash_object_in}, $self->{hash_object_out}); + + unless (print $out $filename, "\n") { + $self->_close_hash_and_insert_object(); + throw Error::Simple("out pipe went bad"); + } + + chomp(my $hash = <$in>); + unless (defined($hash)) { + $self->_close_hash_and_insert_object(); + throw Error::Simple("in pipe went bad"); + } + + return $hash; +} + +sub _open_hash_and_insert_object_if_needed { + my ($self) = @_; + + return if defined($self->{hash_object_pid}); + + ($self->{hash_object_pid}, $self->{hash_object_in}, + $self->{hash_object_out}, $self->{hash_object_ctx}) = + command_bidi_pipe(qw(hash-object -w --stdin-paths)); +} + +sub _close_hash_and_insert_object { + my ($self) = @_; + + return unless defined($self->{hash_object_pid}); + + my @vars = map { 'hash_object_' . $_ } qw(pid in out ctx); + + command_close_bidi_pipe($self->{@vars}); + delete $self->{@vars}; +} + +=item cat_blob ( SHA1, FILEHANDLE ) + +Prints the contents of the blob identified by C<SHA1> to C<FILEHANDLE> and +returns the number of bytes printed. + +=cut + +sub cat_blob { + my ($self, $sha1, $fh) = @_; + + $self->_open_cat_blob_if_needed(); + my ($in, $out) = ($self->{cat_blob_in}, $self->{cat_blob_out}); + + unless (print $out $sha1, "\n") { + $self->_close_cat_blob(); + throw Error::Simple("out pipe went bad"); + } + + my $description = <$in>; + if ($description =~ / missing$/) { + carp "$sha1 doesn't exist in the repository"; + return -1; + } + + if ($description !~ /^[0-9a-fA-F]{40} \S+ (\d+)$/) { + carp "Unexpected result returned from git cat-file"; + return -1; + } + + my $size = $1; + + my $blob; + my $bytesRead = 0; + + while (1) { + my $bytesLeft = $size - $bytesRead; + last unless $bytesLeft; + + my $bytesToRead = $bytesLeft < 1024 ? $bytesLeft : 1024; + my $read = read($in, $blob, $bytesToRead, $bytesRead); + unless (defined($read)) { + $self->_close_cat_blob(); + throw Error::Simple("in pipe went bad"); + } + + $bytesRead += $read; + } + + # Skip past the trailing newline. + my $newline; + my $read = read($in, $newline, 1); + unless (defined($read)) { + $self->_close_cat_blob(); + throw Error::Simple("in pipe went bad"); + } + unless ($read == 1 && $newline eq "\n") { + $self->_close_cat_blob(); + throw Error::Simple("didn't find newline after blob"); + } + + unless (print $fh $blob) { + $self->_close_cat_blob(); + throw Error::Simple("couldn't write to passed in filehandle"); + } + + return $size; +} + +sub _open_cat_blob_if_needed { + my ($self) = @_; + + return if defined($self->{cat_blob_pid}); + + ($self->{cat_blob_pid}, $self->{cat_blob_in}, + $self->{cat_blob_out}, $self->{cat_blob_ctx}) = + command_bidi_pipe(qw(cat-file --batch)); +} + +sub _close_cat_blob { + my ($self) = @_; + + return unless defined($self->{cat_blob_pid}); + + my @vars = map { 'cat_blob_' . $_ } qw(pid in out ctx); + + command_close_bidi_pipe($self->{@vars}); + delete $self->{@vars}; +} =back @@ -895,7 +1094,11 @@ sub _cmd_close { } -sub DESTROY { } +sub DESTROY { + my ($self) = @_; + $self->_close_hash_and_insert_object(); + $self->_close_cat_blob(); +} # Pipe implementation for ActiveState Perl. @@ -28,8 +28,6 @@ void get_commit_format(const char *arg, struct rev_info *rev) rev->commit_format = CMIT_FMT_DEFAULT; return; } - if (*arg == '=') - arg++; if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) { const char *cp = strchr(arg, ':') + 1; free(user_format); diff --git a/progress.c b/progress.c index d19f80c0bb..55a8687ad1 100644 --- a/progress.c +++ b/progress.c @@ -241,16 +241,21 @@ void stop_progress_msg(struct progress **p_progress, const char *msg) *p_progress = NULL; if (progress->last_value != -1) { /* Force the last update */ - char buf[strlen(msg) + 5]; + char buf[128], *bufp; + size_t len = strlen(msg) + 5; struct throughput *tp = progress->throughput; + + bufp = (len < sizeof(buf)) ? buf : xmalloc(len + 1); if (tp) { unsigned int rate = !tp->avg_misecs ? 0 : tp->avg_bytes / tp->avg_misecs; throughput_string(tp, tp->curr_total, rate); } progress_update = 1; - sprintf(buf, ", %s.\n", msg); - display(progress, progress->last_value, buf); + sprintf(bufp, ", %s.\n", msg); + display(progress, progress->last_value, bufp); + if (buf != bufp) + free(bufp); } clear_progress_signal(); free(progress->throughput); @@ -1,6 +1,8 @@ #include "cache.h" #include "quote.h" +int quote_path_fully = 1; + /* Help to copy the thing properly quoted for the shell safety. * any single quote is replaced with '\'', any exclamation point * is replaced with '\!', and the whole thing is enclosed in a diff --git a/read-cache.c b/read-cache.c index 0382804e76..f83de8c415 100644 --- a/read-cache.c +++ b/read-cache.c @@ -138,6 +138,16 @@ static int ce_modified_check_fs(struct cache_entry *ce, struct stat *st) return 0; } +static int is_empty_blob_sha1(const unsigned char *sha1) +{ + static const unsigned char empty_blob_sha1[20] = { + 0xe6,0x9d,0xe2,0x9b,0xb2,0xd1,0xd6,0x43,0x4b,0x8b, + 0x29,0xae,0x77,0x5a,0xd8,0xc2,0xe4,0x8c,0x53,0x91 + }; + + return !hashcmp(sha1, empty_blob_sha1); +} + static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) { unsigned int changed = 0; @@ -193,6 +203,12 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) if (ce->ce_size != (unsigned int) st->st_size) changed |= DATA_CHANGED; + /* Racily smudged entry? */ + if (!ce->ce_size) { + if (!is_empty_blob_sha1(ce->sha1)) + changed |= DATA_CHANGED; + } + return changed; } @@ -462,15 +478,17 @@ static struct cache_entry *create_alias_ce(struct cache_entry *ce, struct cache_ return new; } -int add_to_index(struct index_state *istate, const char *path, struct stat *st, int verbose) +int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags) { - int size, namelen; + int size, namelen, was_same; mode_t st_mode = st->st_mode; struct cache_entry *ce, *alias; unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY; + int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND); + int pretend = flags & ADD_CACHE_PRETEND; if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode)) - die("%s: can only add regular files, symbolic links or git-directories", path); + return error("%s: can only add regular files, symbolic links or git-directories", path); namelen = strlen(path); if (S_ISDIR(st_mode)) { @@ -505,23 +523,32 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, return 0; } if (index_path(ce->sha1, path, st, 1)) - die("unable to index file %s", path); + return error("unable to index file %s", path); if (ignore_case && alias && different_name(ce, alias)) ce = create_alias_ce(ce, alias); ce->ce_flags |= CE_ADDED; - if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE)) - die("unable to add %s to index",path); - if (verbose) + + /* It was suspected to be recily clean, but it turns out to be Ok */ + was_same = (alias && + !ce_stage(alias) && + !hashcmp(alias->sha1, ce->sha1) && + ce->ce_mode == alias->ce_mode); + + if (pretend) + ; + else if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE)) + return error("unable to add %s to index",path); + if (verbose && !was_same) printf("add '%s'\n", path); return 0; } -int add_file_to_index(struct index_state *istate, const char *path, int verbose) +int add_file_to_index(struct index_state *istate, const char *path, int flags) { struct stat st; if (lstat(path, &st)) die("%s: unable to stat (%s)", path, strerror(errno)); - return add_to_index(istate, path, &st, verbose); + return add_to_index(istate, path, &st, flags); } struct cache_entry *make_cache_entry(unsigned int mode, @@ -882,6 +909,15 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate, if (ce_uptodate(ce)) return ce; + /* + * CE_VALID means the user promised us that the change to + * the work tree does not matter and told us not to worry. + */ + if (!ignore_valid && (ce->ce_flags & CE_VALID)) { + ce_mark_uptodate(ce); + return ce; + } + if (lstat(ce->name, &st) < 0) { if (err) *err = errno; @@ -942,6 +978,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p int allow_unmerged = (flags & REFRESH_UNMERGED) != 0; int quiet = (flags & REFRESH_QUIET) != 0; int not_new = (flags & REFRESH_IGNORE_MISSING) != 0; + int ignore_submodules = (flags & REFRESH_IGNORE_SUBMODULES) != 0; unsigned int options = really ? CE_MATCH_IGNORE_VALID : 0; for (i = 0; i < istate->cache_nr; i++) { @@ -949,6 +986,9 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p int cache_errno = 0; ce = istate->cache[i]; + if (ignore_submodules && S_ISGITLINK(ce->ce_mode)) + continue; + if (ce_stage(ce)) { while ((i < istate->cache_nr) && ! strcmp(istate->cache[i]->name, ce->name)) diff --git a/receive-pack.c b/receive-pack.c index 828d49001d..fa653b49fe 100644 --- a/receive-pack.c +++ b/receive-pack.c @@ -19,7 +19,7 @@ static int report_status; static char capabilities[] = " report-status delete-refs "; static int capabilities_sent; -static int receive_pack_config(const char *var, const char *value) +static int receive_pack_config(const char *var, const char *value, void *cb) { if (strcmp(var, "receive.denynonfastforwards") == 0) { deny_non_fast_forwards = git_config_bool(var, value); @@ -41,7 +41,7 @@ static int receive_pack_config(const char *var, const char *value) return 0; } - return git_default_config(var, value); + return git_default_config(var, value, cb); } static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) @@ -370,7 +370,8 @@ static const char *unpack(void) hdr_err = parse_pack_header(&hdr); if (hdr_err) return hdr_err; - snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u", + snprintf(hdr_arg, sizeof(hdr_arg), + "--pack_header=%"PRIu32",%"PRIu32, ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries)); if (ntohl(hdr.hdr_entries) < unpack_limit) { @@ -489,7 +490,7 @@ int main(int argc, char **argv) if (is_repository_shallow()) die("attempt to push into a shallow repository"); - git_config(receive_pack_config); + git_config(receive_pack_config, NULL); if (0 <= transfer_unpack_limit) unpack_limit = transfer_unpack_limit; @@ -159,6 +159,8 @@ static struct cached_refs { } cached_refs; static struct ref_list *current_ref; +static struct ref_list *extra_refs; + static void free_ref_list(struct ref_list *list) { struct ref_list *next; @@ -215,6 +217,17 @@ static void read_packed_refs(FILE *f, struct cached_refs *cached_refs) cached_refs->packed = sort_ref_list(list); } +void add_extra_ref(const char *name, const unsigned char *sha1, int flag) +{ + extra_refs = add_ref(name, sha1, flag, extra_refs, NULL); +} + +void clear_extra_refs(void) +{ + free_ref_list(extra_refs); + extra_refs = NULL; +} + static struct ref_list *get_packed_refs(void) { if (!cached_refs.did_packed) { @@ -547,6 +560,11 @@ static int do_for_each_ref(const char *base, each_ref_fn fn, int trim, struct ref_list *packed = get_packed_refs(); struct ref_list *loose = get_loose_refs(); + struct ref_list *extra; + + for (extra = extra_refs; extra; extra = extra->next) + retval = do_one_ref(base, fn, trim, cb_data, extra); + while (packed && loose) { struct ref_list *entry; int cmp = strcmp(packed->name, loose->name); @@ -24,6 +24,15 @@ extern int for_each_tag_ref(each_ref_fn, void *); extern int for_each_branch_ref(each_ref_fn, void *); extern int for_each_remote_ref(each_ref_fn, void *); +/* + * Extra refs will be listed by for_each_ref() before any actual refs + * for the duration of this process or until clear_extra_refs() is + * called. Only extra refs added before for_each_ref() is called will + * be listed on a given call of for_each_ref(). + */ +extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags); +extern void clear_extra_refs(void); + extern int peel_ref(const char *, unsigned char *); /** Locks a "refs/" ref returning the lock on success and NULL on failure. **/ @@ -2,6 +2,16 @@ #include "remote.h" #include "refs.h" +static struct refspec s_tag_refspec = { + 0, + 1, + 0, + "refs/tags/", + "refs/tags/" +}; + +const struct refspec *tag_refspec = &s_tag_refspec; + struct counted_string { size_t len; const char *s; @@ -288,7 +298,7 @@ static void read_branches_file(struct remote *remote) remote->fetch_tags = 1; /* always auto-follow */ } -static int handle_config(const char *key, const char *value) +static int handle_config(const char *key, const char *value, void *cb) { const char *name; const char *subkey; @@ -410,7 +420,7 @@ static void read_config(void) current_branch = make_branch(head_ref + strlen("refs/heads/"), 0); } - git_config(handle_config); + git_config(handle_config, NULL); alias_all_urls(); } @@ -434,6 +444,16 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp } rhs = strrchr(lhs, ':'); + + /* + * Before going on, special case ":" (or "+:") as a refspec + * for matching refs. + */ + if (!fetch && rhs == lhs && rhs[1] == '\0') { + rs[i].matching = 1; + continue; + } + if (rhs) { rhs++; rlen = strlen(rhs); @@ -847,16 +867,15 @@ static char *guess_ref(const char *name, struct ref *peer) static int match_explicit(struct ref *src, struct ref *dst, struct ref ***dst_tail, - struct refspec *rs, - int errs) + struct refspec *rs) { struct ref *matched_src, *matched_dst; const char *dst_value = rs->dst; char *dst_guess; - if (rs->pattern) - return errs; + if (rs->pattern || rs->matching) + return 0; matched_src = matched_dst = NULL; switch (count_refspec_match(rs->src, src, &matched_src)) { @@ -869,23 +888,16 @@ static int match_explicit(struct ref *src, struct ref *dst, */ matched_src = try_explicit_object_name(rs->src); if (!matched_src) - error("src refspec %s does not match any.", rs->src); + return error("src refspec %s does not match any.", rs->src); break; default: - matched_src = NULL; - error("src refspec %s matches more than one.", rs->src); - break; + return error("src refspec %s matches more than one.", rs->src); } - if (!matched_src) - errs = 1; - if (!dst_value) { unsigned char sha1[20]; int flag; - if (!matched_src) - return errs; dst_value = resolve_ref(matched_src->name, sha1, 1, &flag); if (!dst_value || ((flag & REF_ISSYMREF) && @@ -916,18 +928,16 @@ static int match_explicit(struct ref *src, struct ref *dst, dst_value); break; } - if (errs || !matched_dst) - return 1; - if (matched_dst->peer_ref) { - errs = 1; - error("dst ref %s receives from more than one src.", + if (!matched_dst) + return -1; + if (matched_dst->peer_ref) + return error("dst ref %s receives from more than one src.", matched_dst->name); - } else { matched_dst->peer_ref = matched_src; matched_dst->force = rs->force; } - return errs; + return 0; } static int match_explicit_refs(struct ref *src, struct ref *dst, @@ -936,8 +946,8 @@ static int match_explicit_refs(struct ref *src, struct ref *dst, { int i, errs; for (i = errs = 0; i < rs_nr; i++) - errs |= match_explicit(src, dst, dst_tail, &rs[i], errs); - return -errs; + errs += match_explicit(src, dst, dst_tail, &rs[i]); + return errs; } static const struct refspec *check_pattern_match(const struct refspec *rs, @@ -945,13 +955,23 @@ static const struct refspec *check_pattern_match(const struct refspec *rs, const struct ref *src) { int i; + int matching_refs = -1; for (i = 0; i < rs_nr; i++) { + if (rs[i].matching && + (matching_refs == -1 || rs[i].force)) { + matching_refs = i; + continue; + } + if (rs[i].pattern && !prefixcmp(src->name, rs[i].src) && src->name[strlen(rs[i].src)] == '/') return rs + i; } - return NULL; + if (matching_refs != -1) + return rs + matching_refs; + else + return NULL; } /* @@ -962,11 +982,16 @@ static const struct refspec *check_pattern_match(const struct refspec *rs, int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, int nr_refspec, const char **refspec, int flags) { - struct refspec *rs = - parse_push_refspec(nr_refspec, (const char **) refspec); + struct refspec *rs; int send_all = flags & MATCH_REFS_ALL; int send_mirror = flags & MATCH_REFS_MIRROR; + static const char *default_refspec[] = { ":", 0 }; + if (!nr_refspec) { + nr_refspec = 1; + refspec = default_refspec; + } + rs = parse_push_refspec(nr_refspec, (const char **) refspec); if (match_explicit_refs(src, dst, dst_tail, rs, nr_refspec)) return -1; @@ -977,48 +1002,50 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, char *dst_name; if (src->peer_ref) continue; - if (nr_refspec) { - pat = check_pattern_match(rs, nr_refspec, src); - if (!pat) - continue; - } - else if (!send_mirror && prefixcmp(src->name, "refs/heads/")) + + pat = check_pattern_match(rs, nr_refspec, src); + if (!pat) + continue; + + if (pat->matching) { /* * "matching refs"; traditionally we pushed everything * including refs outside refs/heads/ hierarchy, but * that does not make much sense these days. */ - continue; + if (!send_mirror && prefixcmp(src->name, "refs/heads/")) + continue; + dst_name = xstrdup(src->name); - if (pat) { + } else { const char *dst_side = pat->dst ? pat->dst : pat->src; dst_name = xmalloc(strlen(dst_side) + strlen(src->name) - strlen(pat->src) + 2); strcpy(dst_name, dst_side); strcat(dst_name, src->name + strlen(pat->src)); - } else - dst_name = xstrdup(src->name); + } dst_peer = find_ref_by_name(dst, dst_name); - if (dst_peer && dst_peer->peer_ref) - /* We're already sending something to this ref. */ - goto free_name; + if (dst_peer) { + if (dst_peer->peer_ref) + /* We're already sending something to this ref. */ + goto free_name; + + } else { + if (pat->matching && !(send_all || send_mirror)) + /* + * Remote doesn't have it, and we have no + * explicit pattern, and we don't have + * --all nor --mirror. + */ + goto free_name; - if (!dst_peer && !nr_refspec && !(send_all || send_mirror)) - /* - * Remote doesn't have it, and we have no - * explicit pattern, and we don't have - * --all nor --mirror. - */ - goto free_name; - if (!dst_peer) { /* Create a new one and link it */ dst_peer = make_linked_ref(dst_name, dst_tail); hashcpy(dst_peer->new_sha1, src->new_sha1); } dst_peer->peer_ref = src; - if (pat) - dst_peer->force = pat->force; + dst_peer->force = pat->force; free_name: free(dst_name); } @@ -47,11 +47,14 @@ int remote_has_url(struct remote *remote, const char *url); struct refspec { unsigned force : 1; unsigned pattern : 1; + unsigned matching : 1; char *src; char *dst; }; +extern const struct refspec *tag_refspec; + struct ref *alloc_ref(unsigned namelen); struct ref *alloc_ref_from_str(const char* str); diff --git a/revision.c b/revision.c index 4231ea2cce..6ce6042a63 100644 --- a/revision.c +++ b/revision.c @@ -6,6 +6,7 @@ #include "diff.h" #include "refs.h" #include "revision.h" +#include "graph.h" #include "grep.h" #include "reflog-walk.h" #include "patch-ids.h" @@ -415,7 +416,6 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str { struct commit_list *parent = commit->parents; unsigned left_flag; - int add, rest; if (commit->object.flags & ADDED) return 0; @@ -462,19 +462,18 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str left_flag = (commit->object.flags & SYMMETRIC_LEFT); - rest = !revs->first_parent_only; - for (parent = commit->parents, add = 1; parent; add = rest) { + for (parent = commit->parents; parent; parent = parent->next) { struct commit *p = parent->item; - parent = parent->next; if (parse_commit(p) < 0) return -1; p->object.flags |= left_flag; - if (p->object.flags & SEEN) - continue; - p->object.flags |= SEEN; - if (add) + if (!(p->object.flags & SEEN)) { + p->object.flags |= SEEN; insert_by_date(p, list); + } + if(revs->first_parent_only) + break; } return 0; } @@ -911,6 +910,23 @@ int handle_revision_arg(const char *arg, struct rev_info *revs, return 0; } +void read_revisions_from_stdin(struct rev_info *revs) +{ + char line[1000]; + + while (fgets(line, sizeof(line), stdin) != NULL) { + int len = strlen(line); + if (len && line[len - 1] == '\n') + line[--len] = '\0'; + if (!len) + break; + if (line[0] == '-') + die("options not supported in --stdin mode"); + if (handle_revision_arg(line, revs, 0, 1)) + die("bad revision '%s'", line); + } +} + static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what) { if (!revs->grep_filter) { @@ -1105,7 +1121,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch } } if (!strcmp(arg, "--parents")) { - revs->parents = 1; + revs->rewrite_parents = 1; + revs->print_parents = 1; continue; } if (!strcmp(arg, "--dense")) { @@ -1197,11 +1214,22 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch revs->verbose_header = 1; continue; } - if (!prefixcmp(arg, "--pretty")) { + if (!strcmp(arg, "--pretty")) { revs->verbose_header = 1; get_commit_format(arg+8, revs); continue; } + if (!prefixcmp(arg, "--pretty=")) { + revs->verbose_header = 1; + get_commit_format(arg+9, revs); + continue; + } + if (!strcmp(arg, "--graph")) { + revs->topo_order = 1; + revs->rewrite_parents = 1; + revs->graph = graph_init(revs); + continue; + } if (!strcmp(arg, "--root")) { revs->show_root_diff = 1; continue; @@ -1396,6 +1424,15 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch if (revs->reverse && revs->reflog_info) die("cannot combine --reverse with --walk-reflogs"); + /* + * Limitations on the graph functionality + */ + if (revs->reverse && revs->graph) + die("cannot combine --reverse with --graph"); + + if (revs->reflog_info && revs->graph) + die("cannot combine --walk-reflogs with --graph"); + return left; } @@ -1524,13 +1561,13 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit) /* Commit without changes? */ if (commit->object.flags & TREESAME) { /* drop merges unless we want parenthood */ - if (!revs->parents) + if (!revs->rewrite_parents) return commit_ignore; /* non-merge - always ignore it */ if (!commit->parents || !commit->parents->next) return commit_ignore; } - if (revs->parents && rewrite_parents(revs, commit) < 0) + if (revs->rewrite_parents && rewrite_parents(revs, commit) < 0) return commit_error; } return commit_show; @@ -1597,28 +1634,62 @@ static void gc_boundary(struct object_array *array) } } -struct commit *get_revision(struct rev_info *revs) +static void create_boundary_commit_list(struct rev_info *revs) +{ + unsigned i; + struct commit *c; + struct object_array *array = &revs->boundary_commits; + struct object_array_entry *objects = array->objects; + + /* + * If revs->commits is non-NULL at this point, an error occurred in + * get_revision_1(). Ignore the error and continue printing the + * boundary commits anyway. (This is what the code has always + * done.) + */ + if (revs->commits) { + free_commit_list(revs->commits); + revs->commits = NULL; + } + + /* + * Put all of the actual boundary commits from revs->boundary_commits + * into revs->commits + */ + for (i = 0; i < array->nr; i++) { + c = (struct commit *)(objects[i].item); + if (!c) + continue; + if (!(c->object.flags & CHILD_SHOWN)) + continue; + if (c->object.flags & (SHOWN | BOUNDARY)) + continue; + c->object.flags |= BOUNDARY; + commit_list_insert(c, &revs->commits); + } + + /* + * If revs->topo_order is set, sort the boundary commits + * in topological order + */ + sort_in_topological_order(&revs->commits, revs->lifo); +} + +static struct commit *get_revision_internal(struct rev_info *revs) { struct commit *c = NULL; struct commit_list *l; if (revs->boundary == 2) { - unsigned i; - struct object_array *array = &revs->boundary_commits; - struct object_array_entry *objects = array->objects; - for (i = 0; i < array->nr; i++) { - c = (struct commit *)(objects[i].item); - if (!c) - continue; - if (!(c->object.flags & CHILD_SHOWN)) - continue; - if (!(c->object.flags & SHOWN)) - break; - } - if (array->nr <= i) - return NULL; - - c->object.flags |= SHOWN | BOUNDARY; + /* + * All of the normal commits have already been returned, + * and we are now returning boundary commits. + * create_boundary_commit_list() has populated + * revs->commits with the remaining commits to return. + */ + c = pop_commit(&revs->commits); + if (c) + c->object.flags |= SHOWN; return c; } @@ -1682,7 +1753,14 @@ struct commit *get_revision(struct rev_info *revs) * switch to boundary commits output mode. */ revs->boundary = 2; - return get_revision(revs); + + /* + * Update revs->commits to contain the list of + * boundary commits. + */ + create_boundary_commit_list(revs); + + return get_revision_internal(revs); } /* @@ -1704,3 +1782,11 @@ struct commit *get_revision(struct rev_info *revs) return c; } + +struct commit *get_revision(struct rev_info *revs) +{ + struct commit *c = get_revision_internal(revs); + if (c && revs->graph) + graph_update(revs->graph, c); + return c; +} diff --git a/revision.h b/revision.h index 31217f8c67..83f364ace2 100644 --- a/revision.h +++ b/revision.h @@ -46,7 +46,8 @@ struct rev_info { unpacked:1, /* see also ignore_packed below */ boundary:2, left_right:1, - parents:1, + rewrite_parents:1, + print_parents:1, reverse:1, cherry_pick:1, first_parent_only:1; @@ -65,7 +66,8 @@ struct rev_info { /* Format info */ unsigned int shown_one:1, abbrev_commit:1, - use_terminator:1; + use_terminator:1, + missing_newline:1; enum date_mode date_mode; const char **ignore_packed; /* pretend objects in these are unpacked */ @@ -88,6 +90,9 @@ struct rev_info { /* Filter by commit log message */ struct grep_opt *grep_filter; + /* Display history graph */ + struct git_graph *graph; + /* special limits */ int skip_count; int max_count; @@ -106,6 +111,8 @@ struct rev_info { #define REV_TREE_DIFFERENT 2 /* revision.c */ +void read_revisions_from_stdin(struct rev_info *revs); + typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *); volatile show_early_output_fn_t show_early_output; diff --git a/run-command.c b/run-command.c index 44100a749b..2ce8c2b2f0 100644 --- a/run-command.c +++ b/run-command.c @@ -65,21 +65,8 @@ int start_command(struct child_process *cmd) cmd->err = fderr[0]; } +#ifndef __MINGW32__ cmd->pid = fork(); - if (cmd->pid < 0) { - if (need_in) - close_pair(fdin); - else if (cmd->in) - close(cmd->in); - if (need_out) - close_pair(fdout); - else if (cmd->out) - close(cmd->out); - if (need_err) - close_pair(fderr); - return -ERR_RUN_COMMAND_FORK; - } - if (!cmd->pid) { if (cmd->no_stdin) dup_devnull(0); @@ -128,6 +115,88 @@ int start_command(struct child_process *cmd) } die("exec %s failed.", cmd->argv[0]); } +#else + int s0 = -1, s1 = -1, s2 = -1; /* backups of stdin, stdout, stderr */ + const char *sargv0 = cmd->argv[0]; + char **env = environ; + struct strbuf git_cmd; + + if (cmd->no_stdin) { + s0 = dup(0); + dup_devnull(0); + } else if (need_in) { + s0 = dup(0); + dup2(fdin[0], 0); + } else if (cmd->in) { + s0 = dup(0); + dup2(cmd->in, 0); + } + + if (cmd->no_stderr) { + s2 = dup(2); + dup_devnull(2); + } else if (need_err) { + s2 = dup(2); + dup2(fderr[1], 2); + } + + if (cmd->no_stdout) { + s1 = dup(1); + dup_devnull(1); + } else if (cmd->stdout_to_stderr) { + s1 = dup(1); + dup2(2, 1); + } else if (need_out) { + s1 = dup(1); + dup2(fdout[1], 1); + } else if (cmd->out > 1) { + s1 = dup(1); + dup2(cmd->out, 1); + } + + if (cmd->dir) + die("chdir in start_command() not implemented"); + if (cmd->env) { + env = copy_environ(); + for (; *cmd->env; cmd->env++) + env = env_setenv(env, *cmd->env); + } + + if (cmd->git_cmd) { + strbuf_init(&git_cmd, 0); + strbuf_addf(&git_cmd, "git-%s", cmd->argv[0]); + cmd->argv[0] = git_cmd.buf; + } + + cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env); + + if (cmd->env) + free_environ(env); + if (cmd->git_cmd) + strbuf_release(&git_cmd); + + cmd->argv[0] = sargv0; + if (s0 >= 0) + dup2(s0, 0), close(s0); + if (s1 >= 0) + dup2(s1, 1), close(s1); + if (s2 >= 0) + dup2(s2, 2), close(s2); +#endif + + if (cmd->pid < 0) { + if (need_in) + close_pair(fdin); + else if (cmd->in) + close(cmd->in); + if (need_out) + close_pair(fdout); + else if (cmd->out) + close(cmd->out); + if (need_err) + close_pair(fderr); + return -ERR_RUN_COMMAND_FORK; + } if (need_in) close(fdin[0]); @@ -219,13 +288,23 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const return run_command(&cmd); } +#ifdef __MINGW32__ +static __stdcall unsigned run_thread(void *data) +{ + struct async *async = data; + return async->proc(async->fd_for_proc, async->data); +} +#endif + int start_async(struct async *async) { int pipe_out[2]; if (pipe(pipe_out) < 0) return error("cannot create pipe: %s", strerror(errno)); + async->out = pipe_out[0]; +#ifndef __MINGW32__ async->pid = fork(); if (async->pid < 0) { error("fork (async) failed: %s", strerror(errno)); @@ -236,16 +315,33 @@ int start_async(struct async *async) close(pipe_out[0]); exit(!!async->proc(pipe_out[1], async->data)); } - async->out = pipe_out[0]; close(pipe_out[1]); +#else + async->fd_for_proc = pipe_out[1]; + async->tid = (HANDLE) _beginthreadex(NULL, 0, run_thread, async, 0, NULL); + if (!async->tid) { + error("cannot create thread: %s", strerror(errno)); + close_pair(pipe_out); + return -1; + } +#endif return 0; } int finish_async(struct async *async) { +#ifndef __MINGW32__ int ret = 0; if (wait_or_whine(async->pid)) ret = error("waitpid (async) failed"); +#else + DWORD ret = 0; + if (WaitForSingleObject(async->tid, INFINITE) != WAIT_OBJECT_0) + ret = error("waiting for thread failed: %lu", GetLastError()); + else if (!GetExitCodeThread(async->tid, &ret)) + ret = error("cannot get thread exit code: %lu", GetLastError()); + CloseHandle(async->tid); +#endif return ret; } diff --git a/run-command.h b/run-command.h index debe3074b5..5203a9ebb1 100644 --- a/run-command.h +++ b/run-command.h @@ -76,7 +76,12 @@ struct async { int (*proc)(int fd, void *data); void *data; int out; /* caller reads from here and closes it */ +#ifndef __MINGW32__ pid_t pid; +#else + HANDLE tid; + int fd_for_proc; +#endif }; int start_async(struct async *async); @@ -6,11 +6,17 @@ static int inside_work_tree = -1; static int sanitary_path_copy(char *dst, const char *src) { - char *dst0 = dst; + char *dst0; - if (*src == '/') { + if (has_dos_drive_prefix(src)) { + *dst++ = *src++; + *dst++ = *src++; + } + dst0 = dst; + + if (is_dir_sep(*src)) { *dst++ = '/'; - while (*src == '/') + while (is_dir_sep(*src)) src++; } @@ -26,27 +32,24 @@ static int sanitary_path_copy(char *dst, const char *src) * (4) "../" -- strip one, eat slash and continue. */ if (c == '.') { - switch (src[1]) { - case '\0': + if (!src[1]) { /* (1) */ src++; - break; - case '/': + } else if (is_dir_sep(src[1])) { /* (2) */ src += 2; - while (*src == '/') + while (is_dir_sep(*src)) src++; continue; - case '.': - switch (src[2]) { - case '\0': + } else if (src[1] == '.') { + if (!src[2]) { /* (3) */ src += 2; goto up_one; - case '/': + } else if (is_dir_sep(src[2])) { /* (4) */ src += 3; - while (*src == '/') + while (is_dir_sep(*src)) src++; goto up_one; } @@ -54,11 +57,11 @@ static int sanitary_path_copy(char *dst, const char *src) } /* copy up to the next '/', and eat all '/' */ - while ((c = *src++) != '\0' && c != '/') + while ((c = *src++) != '\0' && !is_dir_sep(c)) *dst++ = c; - if (c == '/') { - *dst++ = c; - while (c == '/') + if (is_dir_sep(c)) { + *dst++ = '/'; + while (is_dir_sep(c)) c = *src++; src--; } else if (!c) @@ -77,7 +80,7 @@ static int sanitary_path_copy(char *dst, const char *src) if (dst <= dst0) break; c = *dst--; - if (c == '/') { + if (c == '/') { /* MinGW: cannot be '\\' anymore */ dst += 2; break; } @@ -126,10 +129,23 @@ const char *prefix_path(const char *prefix, int len, const char *path) const char *prefix_filename(const char *pfx, int pfx_len, const char *arg) { static char path[PATH_MAX]; +#ifndef __MINGW32__ if (!pfx || !*pfx || is_absolute_path(arg)) return arg; memcpy(path, pfx, pfx_len); strcpy(path + pfx_len, arg); +#else + char *p; + /* don't add prefix to absolute paths, but still replace '\' by '/' */ + if (is_absolute_path(arg)) + pfx_len = 0; + else + memcpy(path, pfx, pfx_len); + strcpy(path + pfx_len, arg); + for (p = path + pfx_len; *p; p++) + if (*p == '\\') + *p = '/'; +#endif return path; } @@ -292,15 +308,16 @@ void setup_work_tree(void) work_tree = get_git_work_tree(); git_dir = get_git_dir(); if (!is_absolute_path(git_dir)) - set_git_dir(make_absolute_path(git_dir)); + git_dir = make_absolute_path(git_dir); if (!work_tree || chdir(work_tree)) die("This operation must be run in a work tree"); + set_git_dir(make_relative_path(git_dir, work_tree)); initialized = 1; } static int check_repository_format_gently(int *nongit_ok) { - git_config(check_repository_format_version); + git_config(check_repository_format_version, NULL); if (GIT_REPO_VERSION < repository_format_version) { if (!nongit_ok) die ("Expected git repo version <= %d, found %d", @@ -416,6 +433,8 @@ const char *setup_git_directory_gently(int *nongit_ok) die("Unable to read current working directory"); ceil_offset = longest_ancestor_length(cwd, env_ceiling_dirs); + if (ceil_offset < 0 && has_dos_drive_prefix(cwd)) + ceil_offset = 1; /* * Test in the following order (relative to the cwd): @@ -526,7 +545,7 @@ int git_config_perm(const char *var, const char *value) return i & 0666; } -int check_repository_format_version(const char *var, const char *value) +int check_repository_format_version(const char *var, const char *value, void *cb) { if (strcmp(var, "core.repositoryformatversion") == 0) repository_format_version = git_config_int(var, value); diff --git a/sha1_file.c b/sha1_file.c index 3516777bc7..1670e913af 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -35,8 +35,6 @@ static size_t sz_fmt(size_t s) { return s; } const unsigned char null_sha1[20]; -static unsigned int sha1_file_open_flag = O_NOATIME; - const signed char hexval_table[256] = { -1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */ -1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */ @@ -85,14 +83,18 @@ int get_sha1_hex(const char *hex, unsigned char *sha1) return 0; } +static inline int offset_1st_component(const char *path) +{ + if (has_dos_drive_prefix(path)) + return 2 + (path[2] == '/'); + return *path == '/'; +} + int safe_create_leading_directories(char *path) { - char *pos = path; + char *pos = path + offset_1st_component(path); struct stat st; - if (is_absolute_path(path)) - pos++; - while (pos) { pos = strchr(pos, '/'); if (!pos) @@ -118,7 +120,16 @@ int safe_create_leading_directories(char *path) return 0; } -char * sha1_to_hex(const unsigned char *sha1) +int safe_create_leading_directories_const(const char *path) +{ + /* path points to cache entries, so xstrdup before messing with it */ + char *buf = xstrdup(path); + int result = safe_create_leading_directories(buf); + free(buf); + return result; +} + +char *sha1_to_hex(const unsigned char *sha1) { static int bufno; static char hexbuffer[4][50]; @@ -176,21 +187,23 @@ char *sha1_file_name(const unsigned char *sha1) return base; } -char *sha1_pack_name(const unsigned char *sha1) +static char *sha1_get_pack_name(const unsigned char *sha1, + char **name, char **base, const char *which) { static const char hex[] = "0123456789abcdef"; - static char *name, *base, *buf; + char *buf; int i; - if (!base) { + if (!*base) { const char *sha1_file_directory = get_object_directory(); int len = strlen(sha1_file_directory); - base = xmalloc(len + 60); - sprintf(base, "%s/pack/pack-1234567890123456789012345678901234567890.pack", sha1_file_directory); - name = base + len + 11; + *base = xmalloc(len + 60); + sprintf(*base, "%s/pack/pack-1234567890123456789012345678901234567890.%s", + sha1_file_directory, which); + *name = *base + len + 11; } - buf = name; + buf = *name; for (i = 0; i < 20; i++) { unsigned int val = *sha1++; @@ -198,32 +211,21 @@ char *sha1_pack_name(const unsigned char *sha1) *buf++ = hex[val & 0xf]; } - return base; + return *base; } -char *sha1_pack_index_name(const unsigned char *sha1) +char *sha1_pack_name(const unsigned char *sha1) { - static const char hex[] = "0123456789abcdef"; - static char *name, *base, *buf; - int i; - - if (!base) { - const char *sha1_file_directory = get_object_directory(); - int len = strlen(sha1_file_directory); - base = xmalloc(len + 60); - sprintf(base, "%s/pack/pack-1234567890123456789012345678901234567890.idx", sha1_file_directory); - name = base + len + 11; - } + static char *name, *base; - buf = name; + return sha1_get_pack_name(sha1, &name, &base, "pack"); +} - for (i = 0; i < 20; i++) { - unsigned int val = *sha1++; - *buf++ = hex[val >> 4]; - *buf++ = hex[val & 0xf]; - } +char *sha1_pack_index_name(const unsigned char *sha1) +{ + static char *name, *base; - return base; + return sha1_get_pack_name(sha1, &name, &base, "idx"); } struct alternate_object_database *alt_odb_list; @@ -380,6 +382,18 @@ static void read_info_alternates(const char * relative_base, int depth) munmap(map, mapsz); } +void add_to_alternates_file(const char *reference) +{ + struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); + int fd = hold_lock_file_for_append(lock, git_path("objects/info/alternates"), 1); + char *alt = mkpath("%s/objects\n", reference); + write_or_die(fd, alt, strlen(alt)); + if (commit_lock_file(lock)) + die("could not close alternates file"); + if (alt_odb_tail) + link_alt_odb_entries(alt, alt + strlen(alt), '\n', NULL, 0); +} + void prepare_alt_odb(void) { const char *alt; @@ -391,26 +405,26 @@ void prepare_alt_odb(void) if (!alt) alt = ""; alt_odb_tail = &alt_odb_list; - link_alt_odb_entries(alt, alt + strlen(alt), ':', NULL, 0); + link_alt_odb_entries(alt, alt + strlen(alt), PATH_SEP, NULL, 0); read_info_alternates(get_object_directory(), 0); } -static char *find_sha1_file(const unsigned char *sha1, struct stat *st) +static int has_loose_object(const unsigned char *sha1) { char *name = sha1_file_name(sha1); struct alternate_object_database *alt; - if (!stat(name, st)) - return name; + if (!access(name, F_OK)) + return 1; prepare_alt_odb(); for (alt = alt_odb_list; alt; alt = alt->next) { name = alt->name; fill_sha1_path(name, sha1); - if (!stat(alt->base, st)) - return alt->base; + if (!access(alt->base, F_OK)) + return 1; } - return NULL; + return 0; } static unsigned int pack_used_ctr; @@ -470,7 +484,7 @@ static int check_packed_git_idx(const char *path, struct packed_git *p) version = ntohl(hdr->idx_version); if (version < 2 || version > 2) { munmap(idx_map, idx_size); - return error("index file %s is version %d" + return error("index file %s is version %"PRIu32 " and is not supported by this binary" " (try upgrading GIT to a newer version)", path, version); @@ -681,14 +695,14 @@ static int open_packed_git_1(struct packed_git *p) if (hdr.hdr_signature != htonl(PACK_SIGNATURE)) return error("file %s is not a GIT packfile", p->pack_name); if (!pack_version_ok(hdr.hdr_version)) - return error("packfile %s is version %u and not supported" - " (try upgrading GIT to a newer version)", + return error("packfile %s is version %"PRIu32" and not" + " supported (try upgrading GIT to a newer version)", p->pack_name, ntohl(hdr.hdr_version)); /* Verify the pack matches its index. */ if (p->num_objects != ntohl(hdr.hdr_entries)) - return error("packfile %s claims to have %u objects" - " while index indicates %u objects", + return error("packfile %s claims to have %"PRIu32" objects" + " while index indicates %"PRIu32" objects", p->pack_name, ntohl(hdr.hdr_entries), p->num_objects); if (lseek(p->pack_fd, p->pack_size - sizeof(sha1), SEEK_SET) == -1) @@ -791,18 +805,28 @@ unsigned char* use_pack(struct packed_git *p, return win->base + offset; } +static struct packed_git *alloc_packed_git(int extra) +{ + struct packed_git *p = xmalloc(sizeof(*p) + extra); + memset(p, 0, sizeof(*p)); + p->pack_fd = -1; + return p; +} + struct packed_git *add_packed_git(const char *path, int path_len, int local) { struct stat st; - struct packed_git *p = xmalloc(sizeof(*p) + path_len + 2); + struct packed_git *p = alloc_packed_git(path_len + 2); /* * Make sure a corresponding .pack file exists and that * the index looks sane. */ path_len -= strlen(".idx"); - if (path_len < 1) + if (path_len < 1) { + free(p); return NULL; + } memcpy(p->pack_name, path, path_len); strcpy(p->pack_name + path_len, ".pack"); if (stat(p->pack_name, &st) || !S_ISREG(st.st_mode)) { @@ -813,14 +837,7 @@ struct packed_git *add_packed_git(const char *path, int path_len, int local) /* ok, it looks sane as far as we can check without * actually mapping the pack file. */ - p->index_version = 0; - p->index_data = NULL; - p->index_size = 0; - p->num_objects = 0; p->pack_size = st.st_size; - p->next = NULL; - p->windows = NULL; - p->pack_fd = -1; p->pack_local = local; p->mtime = st.st_mtime; if (path_len < 40 || get_sha1_hex(path + path_len - 40, p->sha1)) @@ -830,27 +847,17 @@ struct packed_git *add_packed_git(const char *path, int path_len, int local) struct packed_git *parse_pack_index(unsigned char *sha1) { - char *path = sha1_pack_index_name(sha1); - return parse_pack_index_file(sha1, path); -} - -struct packed_git *parse_pack_index_file(const unsigned char *sha1, - const char *idx_path) -{ + const char *idx_path = sha1_pack_index_name(sha1); const char *path = sha1_pack_name(sha1); - struct packed_git *p = xmalloc(sizeof(*p) + strlen(path) + 2); + struct packed_git *p = alloc_packed_git(strlen(path) + 1); + strcpy(p->pack_name, path); + hashcpy(p->sha1, sha1); if (check_packed_git_idx(idx_path, p)) { free(p); return NULL; } - strcpy(p->pack_name, path); - p->pack_size = 0; - p->next = NULL; - p->windows = NULL; - p->pack_fd = -1; - hashcpy(p->sha1, sha1); return p; } @@ -987,6 +994,18 @@ void reprepare_packed_git(void) prepare_packed_git(); } +static void mark_bad_packed_object(struct packed_git *p, + const unsigned char *sha1) +{ + unsigned i; + for (i = 0; i < p->num_bad_objects; i++) + if (!hashcmp(sha1, p->bad_object_sha1 + 20 * i)) + return; + p->bad_object_sha1 = xrealloc(p->bad_object_sha1, 20 * (p->num_bad_objects + 1)); + hashcpy(p->bad_object_sha1 + 20 * p->num_bad_objects, sha1); + p->num_bad_objects++; +} + int check_sha1_signature(const unsigned char *sha1, void *map, unsigned long size, const char *type) { unsigned char real_sha1[20]; @@ -994,38 +1013,58 @@ int check_sha1_signature(const unsigned char *sha1, void *map, unsigned long siz return hashcmp(sha1, real_sha1) ? -1 : 0; } +static int git_open_noatime(const char *name) +{ + static int sha1_file_open_flag = O_NOATIME; + int fd = open(name, O_RDONLY | sha1_file_open_flag); + + /* Might the failure be due to O_NOATIME? */ + if (fd < 0 && errno != ENOENT && sha1_file_open_flag) { + fd = open(name, O_RDONLY); + if (fd >= 0) + sha1_file_open_flag = 0; + } + return fd; +} + +static int open_sha1_file(const unsigned char *sha1) +{ + int fd; + char *name = sha1_file_name(sha1); + struct alternate_object_database *alt; + + fd = git_open_noatime(name); + if (fd >= 0) + return fd; + + prepare_alt_odb(); + errno = ENOENT; + for (alt = alt_odb_list; alt; alt = alt->next) { + name = alt->name; + fill_sha1_path(name, sha1); + fd = git_open_noatime(alt->base); + if (fd >= 0) + return fd; + } + return -1; +} + static void *map_sha1_file(const unsigned char *sha1, unsigned long *size) { - struct stat st; void *map; int fd; - char *filename = find_sha1_file(sha1, &st); - if (!filename) { - return NULL; - } + fd = open_sha1_file(sha1); + map = NULL; + if (fd >= 0) { + struct stat st; - fd = open(filename, O_RDONLY | sha1_file_open_flag); - if (fd < 0) { - /* See if it works without O_NOATIME */ - switch (sha1_file_open_flag) { - default: - fd = open(filename, O_RDONLY); - if (fd >= 0) - break; - /* Fallthrough */ - case 0: - return NULL; + if (!fstat(fd, &st)) { + *size = xsize_t(st.st_size); + map = xmmap(NULL, *size, PROT_READ, MAP_PRIVATE, fd, 0); } - - /* If it failed once, it will probably fail again. - * Stop using O_NOATIME - */ - sha1_file_open_flag = 0; + close(fd); } - *size = xsize_t(st.st_size); - map = xmmap(NULL, *size, PROT_READ, MAP_PRIVATE, fd, 0); - close(fd); return map; } @@ -1285,20 +1324,17 @@ static off_t get_delta_base(struct packed_git *p, while (c & 128) { base_offset += 1; if (!base_offset || MSB(base_offset, 7)) - die("offset value overflow for delta base object"); + return 0; /* overflow */ c = base_info[used++]; base_offset = (base_offset << 7) + (c & 127); } base_offset = delta_obj_offset - base_offset; if (base_offset >= delta_obj_offset) - die("delta base offset out of bound"); + return 0; /* out of bound */ *curpos += used; } else if (type == OBJ_REF_DELTA) { /* The base entry _must_ be in the same pack */ base_offset = find_pack_entry_one(base_info, p); - if (!base_offset) - die("failed to find delta-pack base object %s", - sha1_to_hex(base_info)); *curpos += 20; } else die("I am totally screwed"); @@ -1391,6 +1427,9 @@ const char *packed_object_info_detail(struct packed_git *p, return typename(type); case OBJ_OFS_DELTA: obj_offset = get_delta_base(p, &w_curs, &curpos, type, obj_offset); + if (!obj_offset) + die("pack %s contains bad delta base reference of type %s", + p->pack_name, typename(type)); if (*delta_chain_length == 0) { revidx = find_pack_revindex(p, obj_offset); hashcpy(base_sha1, nth_packed_object_sha1(p, revidx->nr)); @@ -1585,17 +1624,41 @@ static void *unpack_delta_entry(struct packed_git *p, off_t base_offset; base_offset = get_delta_base(p, w_curs, &curpos, *type, obj_offset); + if (!base_offset) { + error("failed to validate delta base reference " + "at offset %"PRIuMAX" from %s", + (uintmax_t)curpos, p->pack_name); + return NULL; + } base = cache_or_unpack_entry(p, base_offset, &base_size, type, 0); - if (!base) - die("failed to read delta base object" - " at %"PRIuMAX" from %s", - (uintmax_t)base_offset, p->pack_name); + if (!base) { + /* + * We're probably in deep shit, but let's try to fetch + * the required base anyway from another pack or loose. + * This is costly but should happen only in the presence + * of a corrupted pack, and is better than failing outright. + */ + struct revindex_entry *revidx = find_pack_revindex(p, base_offset); + const unsigned char *base_sha1 = + nth_packed_object_sha1(p, revidx->nr); + error("failed to read delta base object %s" + " at offset %"PRIuMAX" from %s", + sha1_to_hex(base_sha1), (uintmax_t)base_offset, + p->pack_name); + mark_bad_packed_object(p, base_sha1); + base = read_sha1_file(base_sha1, type, &base_size); + if (!base) + return NULL; + } delta_data = unpack_compressed_entry(p, w_curs, curpos, delta_size); - if (!delta_data) - die("failed to unpack compressed delta" - " at %"PRIuMAX" from %s", - (uintmax_t)curpos, p->pack_name); + if (!delta_data) { + error("failed to unpack compressed delta " + "at offset %"PRIuMAX" from %s", + (uintmax_t)curpos, p->pack_name); + free(base); + return NULL; + } result = patch_delta(base, base_size, delta_data, delta_size, sizep); @@ -1627,7 +1690,9 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, data = unpack_compressed_entry(p, &w_curs, curpos, *sizep); break; default: - die("unknown object type %i in %s", *type, p->pack_name); + data = NULL; + error("unknown object type %i at offset %"PRIuMAX" in %s", + *type, (uintmax_t)obj_offset, p->pack_name); } unuse_pack(&w_curs); return data; @@ -1653,7 +1718,7 @@ const unsigned char *nth_packed_object_sha1(struct packed_git *p, } } -static off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n) +off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n) { const unsigned char *index = p->index_data; index += 4 * 256; @@ -1704,7 +1769,7 @@ off_t find_pack_entry_one(const unsigned char *sha1, } if (debug_lookup) - printf("%02x%02x%02x... lo %u hi %u nr %u\n", + printf("%02x%02x%02x... lo %u hi %u nr %"PRIu32"\n", sha1[0], sha1[1], sha1[2], lo, hi, p->num_objects); if (use_lookup < 0) @@ -1773,6 +1838,13 @@ static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, cons goto next; } + if (p->num_bad_objects) { + unsigned i; + for (i = 0; i < p->num_bad_objects; i++) + if (!hashcmp(sha1, p->bad_object_sha1 + 20 * i)) + goto next; + } + offset = find_pack_entry_one(sha1, p); if (offset) { /* @@ -1857,11 +1929,24 @@ static void *read_packed_sha1(const unsigned char *sha1, enum object_type *type, unsigned long *size) { struct pack_entry e; + void *data; if (!find_pack_entry(sha1, &e, NULL)) return NULL; - else - return cache_or_unpack_entry(e.p, e.offset, size, type, 1); + data = cache_or_unpack_entry(e.p, e.offset, size, type, 1); + if (!data) { + /* + * We're probably in deep shit, but let's try to fetch + * the required object anyway from another pack or loose. + * This should happen only in the presence of a corrupted + * pack, and is better than failing outright. + */ + error("failed to read object %s at offset %"PRIuMAX" from %s", + sha1_to_hex(sha1), (uintmax_t)e.offset, e.p->pack_name); + mark_bad_packed_object(e.p, sha1); + data = read_sha1_file(sha1, type, size); + } + return data; } /* @@ -2016,48 +2101,11 @@ static void write_sha1_file_prepare(const void *buf, unsigned long len, } /* - * Link the tempfile to the final place, possibly creating the - * last directory level as you do so. - * - * Returns the errno on failure, 0 on success. - */ -static int link_temp_to_file(const char *tmpfile, const char *filename) -{ - int ret; - char *dir; - - if (!link(tmpfile, filename)) - return 0; - - /* - * Try to mkdir the last path component if that failed. - * - * Re-try the "link()" regardless of whether the mkdir - * succeeds, since a race might mean that somebody - * else succeeded. - */ - ret = errno; - dir = strrchr(filename, '/'); - if (dir) { - *dir = 0; - if (!mkdir(filename, 0777) && adjust_shared_perm(filename)) { - *dir = '/'; - return -2; - } - *dir = '/'; - if (!link(tmpfile, filename)) - return 0; - ret = errno; - } - return ret; -} - -/* * Move the just written object into its final resting place */ int move_temp_to_file(const char *tmpfile, const char *filename) { - int ret = link_temp_to_file(tmpfile, filename); + int ret = link(tmpfile, filename); /* * Coda hack - coda doesn't like cross-directory links, @@ -2102,43 +2150,68 @@ int hash_sha1_file(const void *buf, unsigned long len, const char *type, return 0; } -int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1) +/* Finalize a file on disk, and close it. */ +static void close_sha1_file(int fd) { - int size, ret; - unsigned char *compressed; - z_stream stream; - unsigned char sha1[20]; - char *filename; - static char tmpfile[PATH_MAX]; - char hdr[32]; - int fd, hdrlen; + if (fsync_object_files) + fsync_or_die(fd, "sha1 file"); + fchmod(fd, 0444); + if (close(fd) != 0) + die("unable to write sha1 file"); +} - /* Normally if we have it in the pack then we do not bother writing - * it out into .git/objects/??/?{38} file. - */ - write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen); - filename = sha1_file_name(sha1); - if (returnsha1) - hashcpy(returnsha1, sha1); - if (has_sha1_file(sha1)) - return 0; - fd = open(filename, O_RDONLY); - if (fd >= 0) { - /* - * FIXME!!! We might do collision checking here, but we'd - * need to uncompress the old file and check it. Later. - */ - close(fd); +/* Size of directory component, including the ending '/' */ +static inline int directory_size(const char *filename) +{ + const char *s = strrchr(filename, '/'); + if (!s) return 0; + return s - filename + 1; +} + +/* + * This creates a temporary file in the same directory as the final + * 'filename' + * + * We want to avoid cross-directory filename renames, because those + * can have problems on various filesystems (FAT, NFS, Coda). + */ +static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename) +{ + int fd, dirlen = directory_size(filename); + + if (dirlen + 20 > bufsiz) { + errno = ENAMETOOLONG; + return -1; } + memcpy(buffer, filename, dirlen); + strcpy(buffer + dirlen, "tmp_obj_XXXXXX"); + fd = mkstemp(buffer); + if (fd < 0 && dirlen) { + /* Make sure the directory exists */ + memcpy(buffer, filename, dirlen); + buffer[dirlen-1] = 0; + if (mkdir(buffer, 0777) || adjust_shared_perm(buffer)) + return -1; - if (errno != ENOENT) { - return error("sha1 file %s: %s\n", filename, strerror(errno)); + /* Try again */ + strcpy(buffer + dirlen - 1, "/tmp_obj_XXXXXX"); + fd = mkstemp(buffer); } + return fd; +} - snprintf(tmpfile, sizeof(tmpfile), "%s/tmp_obj_XXXXXX", get_object_directory()); +static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, + void *buf, unsigned long len, time_t mtime) +{ + int fd, size, ret; + unsigned char *compressed; + z_stream stream; + char *filename; + static char tmpfile[PATH_MAX]; - fd = mkstemp(tmpfile); + filename = sha1_file_name(sha1); + fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename); if (fd < 0) { if (errno == EPERM) return error("insufficient permission for adding an object to repository database %s\n", get_object_directory()); @@ -2177,156 +2250,53 @@ int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned cha if (write_buffer(fd, compressed, size) < 0) die("unable to write sha1 file"); - fchmod(fd, 0444); - if (close(fd)) - die("unable to write sha1 file"); + close_sha1_file(fd); free(compressed); + if (mtime) { + struct utimbuf utb; + utb.actime = mtime; + utb.modtime = mtime; + if (utime(tmpfile, &utb) < 0) + warning("failed utime() on %s: %s", + tmpfile, strerror(errno)); + } + return move_temp_to_file(tmpfile, filename); } -/* - * We need to unpack and recompress the object for writing - * it out to a different file. - */ -static void *repack_object(const unsigned char *sha1, unsigned long *objsize) +int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1) { - size_t size; - z_stream stream; - unsigned char *unpacked; - unsigned long len; - enum object_type type; + unsigned char sha1[20]; char hdr[32]; int hdrlen; - void *buf; - - /* need to unpack and recompress it by itself */ - unpacked = read_packed_sha1(sha1, &type, &len); - if (!unpacked) - error("cannot read sha1_file for %s", sha1_to_hex(sha1)); - hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1; - - /* Set it up */ - memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, zlib_compression_level); - size = deflateBound(&stream, len + hdrlen); - buf = xmalloc(size); - - /* Compress it */ - stream.next_out = buf; - stream.avail_out = size; - - /* First header.. */ - stream.next_in = (void *)hdr; - stream.avail_in = hdrlen; - while (deflate(&stream, 0) == Z_OK) - /* nothing */; - - /* Then the data itself.. */ - stream.next_in = unpacked; - stream.avail_in = len; - while (deflate(&stream, Z_FINISH) == Z_OK) - /* nothing */; - deflateEnd(&stream); - free(unpacked); - - *objsize = stream.total_out; - return buf; -} - -int write_sha1_to_fd(int fd, const unsigned char *sha1) -{ - int retval; - unsigned long objsize; - void *buf = map_sha1_file(sha1, &objsize); - - if (buf) { - retval = write_buffer(fd, buf, objsize); - munmap(buf, objsize); - return retval; - } - - buf = repack_object(sha1, &objsize); - retval = write_buffer(fd, buf, objsize); - free(buf); - return retval; + /* Normally if we have it in the pack then we do not bother writing + * it out into .git/objects/??/?{38} file. + */ + write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen); + if (returnsha1) + hashcpy(returnsha1, sha1); + if (has_sha1_file(sha1)) + return 0; + return write_loose_object(sha1, hdr, hdrlen, buf, len, 0); } -int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer, - size_t bufsize, size_t *bufposn) +int force_object_loose(const unsigned char *sha1, time_t mtime) { - char tmpfile[PATH_MAX]; - int local; - z_stream stream; - unsigned char real_sha1[20]; - unsigned char discard[4096]; - int ret; - SHA_CTX c; - - snprintf(tmpfile, sizeof(tmpfile), "%s/tmp_obj_XXXXXX", get_object_directory()); - - local = mkstemp(tmpfile); - if (local < 0) { - if (errno == EPERM) - return error("insufficient permission for adding an object to repository database %s\n", get_object_directory()); - else - return error("unable to create temporary sha1 filename %s: %s\n", tmpfile, strerror(errno)); - } - - memset(&stream, 0, sizeof(stream)); - - inflateInit(&stream); - - SHA1_Init(&c); - - do { - ssize_t size; - if (*bufposn) { - stream.avail_in = *bufposn; - stream.next_in = (unsigned char *) buffer; - do { - stream.next_out = discard; - stream.avail_out = sizeof(discard); - ret = inflate(&stream, Z_SYNC_FLUSH); - SHA1_Update(&c, discard, sizeof(discard) - - stream.avail_out); - } while (stream.avail_in && ret == Z_OK); - if (write_buffer(local, buffer, *bufposn - stream.avail_in) < 0) - die("unable to write sha1 file"); - memmove(buffer, buffer + *bufposn - stream.avail_in, - stream.avail_in); - *bufposn = stream.avail_in; - if (ret != Z_OK) - break; - } - size = xread(fd, buffer + *bufposn, bufsize - *bufposn); - if (size <= 0) { - close(local); - unlink(tmpfile); - if (!size) - return error("Connection closed?"); - perror("Reading from connection"); - return -1; - } - *bufposn += size; - } while (1); - inflateEnd(&stream); - - fchmod(local, 0444); - if (close(local) != 0) - die("unable to write sha1 file"); - SHA1_Final(real_sha1, &c); - if (ret != Z_STREAM_END) { - unlink(tmpfile); - return error("File %s corrupted", sha1_to_hex(sha1)); - } - if (hashcmp(sha1, real_sha1)) { - unlink(tmpfile); - return error("File %s has bad hash", sha1_to_hex(sha1)); - } + void *buf; + unsigned long len; + enum object_type type; + char hdr[32]; + int hdrlen; - return move_temp_to_file(tmpfile, sha1_file_name(sha1)); + if (has_loose_object(sha1)) + return 0; + buf = read_packed_sha1(sha1, &type, &len); + if (!buf) + return error("cannot read sha1_file for %s", sha1_to_hex(sha1)); + hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1; + return write_loose_object(sha1, hdr, hdrlen, buf, len, mtime); } int has_pack_index(const unsigned char *sha1) @@ -2353,12 +2323,11 @@ int has_sha1_pack(const unsigned char *sha1, const char **ignore_packed) int has_sha1_file(const unsigned char *sha1) { - struct stat st; struct pack_entry e; if (find_pack_entry(sha1, &e, NULL)) return 1; - return find_sha1_file(sha1, &st) ? 1 : 0; + return has_loose_object(sha1); } int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object) @@ -3,10 +3,19 @@ #include "exec_cmd.h" #include "strbuf.h" +/* Stubs for functions that make no sense for git-shell. These stubs + * are provided here to avoid linking in external redundant modules. + */ +void release_pack_memory(size_t need, int fd){} +void trace_argv_printf(const char **argv, const char *fmt, ...){} +void trace_printf(const char *fmt, ...){} + + static int do_generic_cmd(const char *me, char *arg) { const char *my_argv[4]; + setup_path(NULL); if (!arg || !(arg = sq_dequote(arg))) die("bad argument"); if (prefixcmp(me, "git-")) @@ -29,7 +38,6 @@ static int do_cvs_cmd(const char *me, char *arg) die("git-cvsserver only handles server: %s", arg); setup_path(NULL); - return execv_git_cmd(cvsserver_argv); } @@ -49,15 +57,24 @@ int main(int argc, char **argv) char *prog; struct commands *cmd; + /* + * Special hack to pretend to be a CVS server + */ if (argc == 2 && !strcmp(argv[1], "cvs server")) argv--; - /* We want to see "-c cmd args", and nothing else */ + + /* + * We do not accept anything but "-c" followed by "cmd arg", + * where "cmd" is a very limited subset of git commands. + */ else if (argc != 3 || strcmp(argv[1], "-c")) die("What do you think I am? A shell?"); prog = argv[2]; - argv += 2; - argc -= 2; + if (!strncmp(prog, "git", 3) && isspace(prog[3])) + /* Accept "git foo" as if the caller said "git-foo". */ + prog[3] = '-'; + for (cmd = cmd_list ; cmd->name ; cmd++) { int len = strlen(cmd->name); char *arg; diff --git a/show-index.c b/show-index.c index 7253991fff..45bb535773 100644 --- a/show-index.c +++ b/show-index.c @@ -68,7 +68,8 @@ int main(int argc, char **argv) ntohl(off64[1]); off64_nr++; } - printf("%" PRIuMAX " %s (%08x)\n", (uintmax_t) offset, + printf("%" PRIuMAX " %s (%08"PRIx32")\n", + (uintmax_t) offset, sha1_to_hex(entries[i].sha1), ntohl(entries[i].crc)); } diff --git a/t/.gitattributes b/t/.gitattributes index 562b12e16e..1b97c5465b 100644 --- a/t/.gitattributes +++ b/t/.gitattributes @@ -1 +1 @@ -* -whitespace +t[0-9][0-9][0-9][0-9]/* -whitespace diff --git a/t/.gitignore b/t/.gitignore index 11ffd910c1..b27e280083 100644 --- a/t/.gitignore +++ b/t/.gitignore @@ -1 +1,2 @@ /trash directory +/test-results diff --git a/t/Makefile b/t/Makefile index 72d7884232..a778865ae7 100644 --- a/t/Makefile +++ b/t/Makefile @@ -14,18 +14,24 @@ SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH)) T = $(wildcard t[0-9][0-9][0-9][0-9]-*.sh) TSVN = $(wildcard t91[0-9][0-9]-*.sh) -all: $(T) clean +all: pre-clean $(T) aggregate-results clean $(T): @echo "*** $@ ***"; GIT_CONFIG=.git/config '$(SHELL_PATH_SQ)' $@ $(GIT_TEST_OPTS) +pre-clean: + $(RM) -r test-results + clean: - $(RM) -r trash + $(RM) -r 'trash directory' test-results + +aggregate-results: + ./aggregate-results.sh test-results/t*-* # we can test NO_OPTIMIZE_COMMITS independently of LC_ALL full-svn-test: $(MAKE) $(TSVN) GIT_SVN_NO_OPTIMIZE_COMMITS=1 LC_ALL=C $(MAKE) $(TSVN) GIT_SVN_NO_OPTIMIZE_COMMITS=0 LC_ALL=en_US.UTF-8 -.PHONY: $(T) clean +.PHONY: pre-clean $(T) aggregate-results clean .NOTPARALLEL: @@ -54,6 +54,38 @@ You can pass --verbose (or -v), --debug (or -d), and --immediate This causes the test to immediately exit upon the first failed test. +--long-tests:: + This causes additional long-running tests to be run (where + available), for more exhaustive testing. + + +Skipping Tests +-------------- + +In some environments, certain tests have no way of succeeding +due to platform limitation, such as lack of 'unzip' program, or +filesystem that do not allow arbitrary sequence of non-NUL bytes +as pathnames. + +You should be able to say something like + + $ GIT_SKIP_TESTS=t9200.8 sh ./t9200-git-cvsexport-commit.sh + +and even: + + $ GIT_SKIP_TESTS='t[0-4]??? t91?? t9200.8' make + +to omit such tests. The value of the environment variable is a +SP separated list of patterns that tells which tests to skip, +and either can match the "t[0-9]{4}" part to skip the whole +test, or t[0-9]{4} followed by ".$number" to say which +particular test to skip. + +Note that some tests in the existing test suite rely on previous +test item, so you cannot arbitrarily disable one and expect the +remainder of test to check what the test originally was intended +to check. + Naming Tests ------------ @@ -123,7 +155,7 @@ This test harness library does the following things: (or -h), it shows the test_description and exits. - Creates an empty test directory with an empty .git/objects - database and chdir(2) into it. This directory is 't/trash' + database and chdir(2) into it. This directory is 't/trash directory' if you must know, but I do not think you care. - Defines standard test helper functions for your scripts to diff --git a/t/aggregate-results.sh b/t/aggregate-results.sh new file mode 100755 index 0000000000..52e88e3046 --- /dev/null +++ b/t/aggregate-results.sh @@ -0,0 +1,34 @@ +#!/bin/sh + +fixed=0 +success=0 +failed=0 +broken=0 +total=0 + +for file +do + while read type value + do + case $type in + '') + continue ;; + fixed) + fixed=$(($fixed + $value)) ;; + success) + success=$(($success + $value)) ;; + failed) + failed=$(($failed + $value)) ;; + broken) + broken=$(( $broken + $value)) ;; + total) + total=$(( $total + $value)) ;; + esac + done <"$file" +done + +printf "%-8s%d\n" fixed $fixed +printf "%-8s%d\n" success $success +printf "%-8s%d\n" failed $failed +printf "%-8s%d\n" broken $broken +printf "%-8s%d\n" total $total diff --git a/t/diff-lib.sh b/t/diff-lib.sh index 28b941c493..4bddeb591e 100644 --- a/t/diff-lib.sh +++ b/t/diff-lib.sh @@ -11,7 +11,7 @@ compare_diff_raw () { sed -e "$sanitize_diff_raw" <"$1" >.tmp-1 sed -e "$sanitize_diff_raw" <"$2" >.tmp-2 - git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 + test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 } sanitize_diff_raw_z='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*$/ X X \1#/' @@ -23,7 +23,7 @@ compare_diff_raw_z () { perl -pe 'y/\000/\012/' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1 perl -pe 'y/\000/\012/' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2 - git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 + test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 } compare_diff_patch () { @@ -37,5 +37,5 @@ compare_diff_patch () { /^[dis]*imilarity index [0-9]*%$/d /^index [0-9a-f]*\.\.[0-9a-f]/d ' <"$2" >.tmp-2 - git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 + test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 } diff --git a/t/t0001-init.sh b/t/t0001-init.sh index b0289e397a..d31887f9bf 100755 --- a/t/t0001-init.sh +++ b/t/t0001-init.sh @@ -79,6 +79,17 @@ test_expect_success 'GIT_DIR bare' ' check_config git-dir-bare.git true unset ' +test_expect_success 'init --bare' ' + + ( + unset GIT_DIR GIT_WORK_TREE GIT_CONFIG + mkdir git-init-bare.git && + cd git-init-bare.git && + git init --bare + ) && + check_config git-init-bare.git true unset +' + test_expect_success 'GIT_DIR non-bare' ' ( diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh index c56d2fbaba..3d8e06a20f 100755 --- a/t/t0003-attributes.sh +++ b/t/t0003-attributes.sh @@ -54,4 +54,39 @@ test_expect_success 'root subdir attribute test' ' ' +test_expect_success 'setup bare' ' + + git clone --bare . bare.git && + cd bare.git + +' + +test_expect_success 'bare repository: check that .gitattribute is ignored' ' + + ( + echo "f test=f" + echo "a/i test=a/i" + ) >.gitattributes && + attr_check f unspecified && + attr_check a/f unspecified && + attr_check a/c/f unspecified && + attr_check a/i unspecified && + attr_check subdir/a/i unspecified + +' + +test_expect_success 'bare repository: test info/attributes' ' + + ( + echo "f test=f" + echo "a/i test=a/i" + ) >info/attributes && + attr_check f f && + attr_check a/f f && + attr_check a/c/f f && + attr_check a/i a/i && + attr_check subdir/a/i unspecified + +' + test_done diff --git a/t/t0030-stripspace.sh b/t/t0030-stripspace.sh index 3ecdd6626a..ccb0a3cb61 100755 --- a/t/t0030-stripspace.sh +++ b/t/t0030-stripspace.sh @@ -16,96 +16,96 @@ test_expect_success \ 'long lines without spaces should be unchanged' ' echo "$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt$ttt$ttt" >expect && git stripspace <expect >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'lines with spaces at the beginning should be unchanged' ' echo "$sss$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss$sss$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss$sss$sss$ttt" >expect && git stripspace <expect >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'lines with intermediate spaces should be unchanged' ' echo "$ttt$sss$ttt" >expect && git stripspace <expect >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$sss$sss$ttt" >expect && git stripspace <expect >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'consecutive blank lines should be unified' ' printf "$ttt\n\n$ttt\n" > expect && printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n\n$ttt\n" > expect && printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt\n\n$ttt\n" > expect && printf "$ttt$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt\n" > expect && printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt$ttt\n" > expect && printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt$ttt$ttt\n" > expect && printf "$ttt\n\n\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt\n" > expect && printf "$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n\n$ttt\n" > expect && printf "$ttt$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt\n\n$ttt\n" > expect && printf "$ttt$ttt$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt\n" > expect && printf "$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt$ttt\n" > expect && printf "$ttt\n\t\n \n\n \t\t\n$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$ttt$ttt$ttt\n" > expect && printf "$ttt\n\t\n \n\n \t\t\n$ttt$ttt$ttt\n" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -113,114 +113,114 @@ test_expect_success \ > expect && printf "\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss\n$sss\n$sss\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss\n$sss\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n$sss\n$sss$sss\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'consecutive blank lines at the beginning should be removed' ' printf "$ttt\n" > expect && printf "\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" > expect && printf "\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n" > expect && printf "\n\n\n$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt\n" > expect && printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt$ttt\n" > expect && printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" > expect && printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'consecutive blank lines at the end should be removed' ' printf "$ttt\n" > expect && printf "$ttt\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" > expect && printf "$ttt\n\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n" > expect && printf "$ttt$ttt\n\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt\n" > expect && printf "$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt$ttt\n" > expect && printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" > expect && printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -257,27 +257,27 @@ test_expect_success \ 'text plus spaces without newline should show the correct lines' ' printf "$ttt\n" >expect && printf "$ttt$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" >expect && printf "$ttt$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n" >expect && printf "$ttt$sss$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n" >expect && printf "$ttt$ttt$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n" >expect && printf "$ttt$ttt$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt$ttt\n" >expect && printf "$ttt$ttt$ttt$sss" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -294,27 +294,27 @@ test_expect_success \ 'text plus spaces at end should be cleaned and newline must remain' ' echo "$ttt" >expect && echo "$ttt$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt" >expect && echo "$ttt$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt" >expect && echo "$ttt$sss$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt" >expect && echo "$ttt$ttt$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt" >expect && echo "$ttt$ttt$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$ttt$ttt$ttt" >expect && echo "$ttt$ttt$ttt$sss" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' # spaces only: @@ -324,19 +324,19 @@ test_expect_success \ printf "" >expect && echo | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && echo "$sss$sss$sss$sss" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -353,43 +353,43 @@ test_expect_success \ printf "" >expect && printf "" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss$sss" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$sss$sss$sss$sss" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ 'consecutive text lines should be unchanged' ' printf "$ttt$ttt\n$ttt\n" >expect && printf "$ttt$ttt\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$ttt$ttt\n$ttt\n" >expect && printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect && printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect && printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect && printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual && - git diff expect actual && + test_cmp expect actual && printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect && printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success 'strip comments, too' ' diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh index c23f0ace85..6309aed451 100755 --- a/t/t0040-parse-options.sh +++ b/t/t0040-parse-options.sh @@ -11,55 +11,81 @@ cat > expect.err << EOF usage: test-parse-options <options> -b, --boolean get a boolean + -4, --or4 bitwise-or boolean with ...0100 + -i, --integer <n> get a integer -j <n> get a integer, too + --set23 set integer to 23 + -t <time> get timestamp of <time> + -L, --length <str> get length of <str> -string options +String options -s, --string <string> get a string --string2 <str> get another string --st <st> get another string (pervert ordering) -o <str> get another string + --default-string set string to default -magic arguments +Magic arguments --quux means --quux +Standard options + --abbrev[=<n>] use <n> digits to display SHA-1s + -v, --verbose be verbose + -n, --dry-run dry run + -q, --quiet be quiet + EOF test_expect_success 'test help' ' - ! test-parse-options -h > output 2> output.err && + test_must_fail test-parse-options -h > output 2> output.err && test ! -s output && - git diff expect.err output.err + test_cmp expect.err output.err ' cat > expect << EOF boolean: 2 integer: 1729 string: 123 +abbrev: 7 +verbose: 2 +quiet: no +dry run: yes EOF test_expect_success 'short options' ' - test-parse-options -s123 -b -i 1729 -b > output 2> output.err && - git diff expect output && + test-parse-options -s123 -b -i 1729 -b -vv -n > output 2> output.err && + test_cmp expect output && test ! -s output.err ' + cat > expect << EOF boolean: 2 integer: 1729 string: 321 +abbrev: 10 +verbose: 2 +quiet: no +dry run: no EOF test_expect_success 'long options' ' test-parse-options --boolean --integer 1729 --boolean --string2=321 \ + --verbose --verbose --no-dry-run --abbrev=10 \ > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output ' cat > expect << EOF boolean: 1 integer: 13 string: 123 +abbrev: 7 +verbose: 0 +quiet: no +dry run: no arg 00: a1 arg 01: b1 arg 02: --boolean @@ -69,25 +95,29 @@ test_expect_success 'intermingled arguments' ' test-parse-options a1 --string 123 b1 --boolean -j 13 -- --boolean \ > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output ' cat > expect << EOF boolean: 0 integer: 2 string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no EOF test_expect_success 'unambiguously abbreviated option' ' test-parse-options --int 2 --boolean --no-bo > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output ' test_expect_success 'unambiguously abbreviated option with "="' ' test-parse-options --int=2 > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output ' test_expect_success 'ambiguously abbreviated option' ' @@ -99,35 +129,107 @@ cat > expect << EOF boolean: 0 integer: 0 string: 123 +abbrev: 7 +verbose: 0 +quiet: no +dry run: no EOF test_expect_success 'non ambiguous option (after two options it abbreviates)' ' test-parse-options --st 123 > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output ' -cat > expect.err << EOF +cat > typo.err << EOF error: did you mean \`--boolean\` (with two dashes ?) EOF test_expect_success 'detect possible typos' ' - ! test-parse-options -boolean > output 2> output.err && + test_must_fail test-parse-options -boolean > output 2> output.err && test ! -s output && - git diff expect.err output.err + test_cmp typo.err output.err ' cat > expect <<EOF boolean: 0 integer: 0 string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no arg 00: --quux EOF test_expect_success 'keep some options as arguments' ' test-parse-options --quux > output 2> output.err && test ! -s output.err && - git diff expect output + test_cmp expect output +' + +cat > expect <<EOF +boolean: 0 +integer: 1 +string: default +abbrev: 7 +verbose: 0 +quiet: yes +dry run: no +arg 00: foo +EOF + +test_expect_success 'OPT_DATE() and OPT_SET_PTR() work' ' + test-parse-options -t "1970-01-01 00:00:01 +0000" --default-string \ + foo -q > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +cat > expect <<EOF +Callback: "four", 0 +boolean: 5 +integer: 4 +string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no +EOF + +test_expect_success 'OPT_CALLBACK() and OPT_BIT() work' ' + test-parse-options --length=four -b -4 > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +cat > expect <<EOF +Callback: "not set", 1 +EOF + +test_expect_success 'OPT_CALLBACK() and callback errors work' ' + test_must_fail test-parse-options --no-length > output 2> output.err && + test_cmp expect output && + test_cmp expect.err output.err +' + +cat > expect <<EOF +boolean: 1 +integer: 23 +string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no +EOF + +test_expect_success 'OPT_BIT() and OPT_SET_INT() work' ' + test-parse-options --set23 -bbbbb --no-or4 > output 2> output.err && + test ! -s output.err && + test_cmp expect output ' +# --or4 +# --no-or4 + test_done diff --git a/t/t0050-filesystem.sh b/t/t0050-filesystem.sh index 3fbad77811..c5360e23d9 100755 --- a/t/t0050-filesystem.sh +++ b/t/t0050-filesystem.sh @@ -7,6 +7,7 @@ test_description='Various filesystem issues' auml=`printf '\xc3\xa4'` aumlcdiar=`printf '\x61\xcc\x88'` +case_insensitive= test_expect_success 'see if we expect ' ' test_case=test_expect_success @@ -17,6 +18,7 @@ test_expect_success 'see if we expect ' ' if test "$(cat junk/CamelCase)" != good then test_case=test_expect_failure + case_insensitive=t say "will test on a case insensitive filesystem" fi && rm -fr junk && @@ -32,8 +34,23 @@ test_expect_success 'see if we expect ' ' rm -fr junk ' +if test "$case_insensitive" +then +test_expect_success "detection of case insensitive filesystem during repo init" ' + + test $(git config --bool core.ignorecase) = true +' +else +test_expect_success "detection of case insensitive filesystem during repo init" ' + + ! git config --bool core.ignorecase >/dev/null || + test $(git config --bool core.ignorecase) = false +' +fi + test_expect_success "setup case tests" ' + git config core.ignorecase true && touch camelcase && git add camelcase && git commit -m "initial" && @@ -55,11 +72,23 @@ $test_case 'rename (case change)' ' $test_case 'merge (case change)' ' + rm -f CamelCase && + rm -f camelcase && git reset --hard initial && git merge topic ' +$test_case 'add (with different case)' ' + + git reset --hard initial && + rm camelcase && + echo 1 >CamelCase && + git add CamelCase && + test $(git-ls-files | grep -i camelcase | wc -l) = 1 + +' + test_expect_success "setup unicode normalization tests" ' test_create_repo unicode && diff --git a/t/t1000-read-tree-m-3way.sh b/t/t1000-read-tree-m-3way.sh index 17f519f547..807fb83af8 100755 --- a/t/t1000-read-tree-m-3way.sh +++ b/t/t1000-read-tree-m-3way.sh @@ -131,7 +131,7 @@ _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" check_result () { git ls-files --stage | sed -e 's/ '"$_x40"' / X /' >current && - git diff expected current + test_cmp expected current } # This is done on an empty work directory, which is the normal diff --git a/t/t1001-read-tree-m-2way.sh b/t/t1001-read-tree-m-2way.sh index b01b0037a0..4b44e131b2 100755 --- a/t/t1001-read-tree-m-2way.sh +++ b/t/t1001-read-tree-m-2way.sh @@ -33,7 +33,7 @@ compare_change () { -e '/^--- /d; /^+++ /d; /^@@ /d;' \ -e 's/^\([-+][0-7][0-7][0-7][0-7][0-7][0-7]\) '"$_x40"' /\1 X /p' \ "$1" - git diff expected current + test_cmp expected current } check_cache_at () { @@ -86,7 +86,7 @@ test_expect_success \ 'rm -f .git/index && read_tree_twoway $treeH $treeM && git ls-files --stage >1-3.out && - git diff M.out 1-3.out && + test_cmp M.out 1-3.out && check_cache_at bozbar dirty && check_cache_at frotz dirty && check_cache_at nitfol dirty' @@ -101,7 +101,7 @@ test_expect_success \ git update-index --add yomin && read_tree_twoway $treeH $treeM && git ls-files --stage >4.out || return 1 - git diff M.out 4.out >4diff.out + git diff --no-index M.out 4.out >4diff.out compare_change 4diff.out expected && check_cache_at yomin clean' @@ -115,7 +115,7 @@ test_expect_success \ echo yomin yomin >yomin && read_tree_twoway $treeH $treeM && git ls-files --stage >5.out || return 1 - git diff M.out 5.out >5diff.out + git diff --no-index M.out 5.out >5diff.out compare_change 5diff.out expected && check_cache_at yomin dirty' @@ -127,7 +127,7 @@ test_expect_success \ git update-index --add frotz && read_tree_twoway $treeH $treeM && git ls-files --stage >6.out && - git diff M.out 6.out && + test_cmp M.out 6.out && check_cache_at frotz clean' test_expect_success \ @@ -140,7 +140,7 @@ test_expect_success \ echo frotz frotz >frotz && read_tree_twoway $treeH $treeM && git ls-files --stage >7.out && - git diff M.out 7.out && + test_cmp M.out 7.out && check_cache_at frotz dirty' test_expect_success \ @@ -171,7 +171,7 @@ test_expect_success \ git update-index --add rezrov && read_tree_twoway $treeH $treeM && git ls-files --stage >10.out && - git diff M.out 10.out' + test_cmp M.out 10.out' test_expect_success \ '11 - dirty path removed.' \ @@ -216,7 +216,7 @@ test_expect_success \ git update-index --add nitfol && read_tree_twoway $treeH $treeM && git ls-files --stage >14.out || return 1 - git diff M.out 14.out >14diff.out + git diff --no-index M.out 14.out >14diff.out compare_change 14diff.out expected && check_cache_at nitfol clean' @@ -230,7 +230,7 @@ test_expect_success \ echo nitfol nitfol nitfol >nitfol && read_tree_twoway $treeH $treeM && git ls-files --stage >15.out || return 1 - git diff M.out 15.out >15diff.out + git diff --no-index M.out 15.out >15diff.out compare_change 15diff.out expected && check_cache_at nitfol dirty' @@ -262,7 +262,7 @@ test_expect_success \ git update-index --add bozbar && read_tree_twoway $treeH $treeM && git ls-files --stage >18.out && - git diff M.out 18.out && + test_cmp M.out 18.out && check_cache_at bozbar clean' test_expect_success \ @@ -275,7 +275,7 @@ test_expect_success \ echo gnusto gnusto >bozbar && read_tree_twoway $treeH $treeM && git ls-files --stage >19.out && - git diff M.out 19.out && + test_cmp M.out 19.out && check_cache_at bozbar dirty' test_expect_success \ @@ -287,7 +287,7 @@ test_expect_success \ git update-index --add bozbar && read_tree_twoway $treeH $treeM && git ls-files --stage >20.out && - git diff M.out 20.out && + test_cmp M.out 20.out && check_cache_at bozbar dirty' test_expect_success \ @@ -337,7 +337,7 @@ test_expect_success \ git update-index --add DF && read_tree_twoway $treeDF $treeDFDF && git ls-files --stage >DFDFcheck.out && - git diff DFDF.out DFDFcheck.out && + test_cmp DFDF.out DFDFcheck.out && check_cache_at DF/DF dirty && :' diff --git a/t/t1002-read-tree-m-u-2way.sh b/t/t1002-read-tree-m-u-2way.sh index 42e5cf8181..e04990eafd 100755 --- a/t/t1002-read-tree-m-u-2way.sh +++ b/t/t1002-read-tree-m-u-2way.sh @@ -16,7 +16,7 @@ compare_change () { sed >current \ -e '/^--- /d; /^+++ /d; /^@@ /d;' \ -e 's/^\(.[0-7][0-7][0-7][0-7][0-7][0-7]\) '"$_x40"' /\1 X /' "$1" - git diff expected current + test_cmp expected current } check_cache_at () { diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh new file mode 100755 index 0000000000..d8b7f2ffbc --- /dev/null +++ b/t/t1006-cat-file.sh @@ -0,0 +1,244 @@ +#!/bin/sh + +test_description='git cat-file' + +. ./test-lib.sh + +echo_without_newline () { + printf '%s' "$*" +} + +strlen () { + echo_without_newline "$1" | wc -c | sed -e 's/^ *//' +} + +maybe_remove_timestamp () { + if test -z "$2"; then + echo_without_newline "$1" + else + echo_without_newline "$(printf '%s\n' "$1" | sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//')" + fi +} + +run_tests () { + type=$1 + sha1=$2 + size=$3 + content=$4 + pretty_content=$5 + no_ts=$6 + + batch_output="$sha1 $type $size +$content" + + test_expect_success "$type exists" ' + git cat-file -e $sha1 + ' + + test_expect_success "Type of $type is correct" ' + test $type = "$(git cat-file -t $sha1)" + ' + + test_expect_success "Size of $type is correct" ' + test $size = "$(git cat-file -s $sha1)" + ' + + test -z "$content" || + test_expect_success "Content of $type is correct" ' + expect="$(maybe_remove_timestamp "$content" $no_ts)" + actual="$(maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts)" + + if test "z$expect" = "z$actual" + then + : happy + else + echo "Oops: expected $expect" + echo "but got $actual" + false + fi + ' + + test_expect_success "Pretty content of $type is correct" ' + expect="$(maybe_remove_timestamp "$pretty_content" $no_ts)" + actual="$(maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts)" + if test "z$expect" = "z$actual" + then + : happy + else + echo "Oops: expected $expect" + echo "but got $actual" + false + fi + ' + + test -z "$content" || + test_expect_success "--batch output of $type is correct" ' + expect="$(maybe_remove_timestamp "$batch_output" $no_ts)" + actual="$(maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts)" + if test "z$expect" = "z$actual" + then + : happy + else + echo "Oops: expected $expect" + echo "but got $actual" + false + fi + ' + + test_expect_success "--batch-check output of $type is correct" ' + expect="$sha1 $type $size" + actual="$(echo_without_newline $sha1 | git cat-file --batch-check)" + if test "z$expect" = "z$actual" + then + : happy + else + echo "Oops: expected $expect" + echo "but got $actual" + false + fi + ' +} + +hello_content="Hello World" +hello_size=$(strlen "$hello_content") +hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin) + +test_expect_success "setup" ' + echo_without_newline "$hello_content" > hello && + git update-index --add hello +' + +run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content" + +tree_sha1=$(git write-tree) +tree_size=33 +tree_pretty_content="100644 blob $hello_sha1 hello" + +run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content" + +commit_message="Intial commit" +commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1) +commit_size=176 +commit_content="tree $tree_sha1 +author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000 +committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000 + +$commit_message" + +run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1 + +tag_header_without_timestamp="object $hello_sha1 +type blob +tag hellotag +tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" +tag_description="This is a tag" +tag_content="$tag_header_without_timestamp 0000000000 +0000 + +$tag_description" +tag_pretty_content="$tag_header_without_timestamp Thu Jan 1 00:00:00 1970 +0000 + +$tag_description" + +tag_sha1=$(echo_without_newline "$tag_content" | git mktag) +tag_size=$(strlen "$tag_content") + +run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_pretty_content" 1 + +test_expect_success \ + "Reach a blob from a tag pointing to it" \ + "test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\"" + +for batch in batch batch-check +do + for opt in t s e p + do + test_expect_success "Passing -$opt with --$batch fails" ' + test_must_fail git cat-file --$batch -$opt $hello_sha1 + ' + + test_expect_success "Passing --$batch with -$opt fails" ' + test_must_fail git cat-file -$opt --$batch $hello_sha1 + ' + done + + test_expect_success "Passing <type> with --$batch fails" ' + test_must_fail git cat-file --$batch blob $hello_sha1 + ' + + test_expect_success "Passing --$batch with <type> fails" ' + test_must_fail git cat-file blob --$batch $hello_sha1 + ' + + test_expect_success "Passing sha1 with --$batch fails" ' + test_must_fail git cat-file --$batch $hello_sha1 + ' +done + +test_expect_success "--batch-check for a non-existent named object" ' + test "foobar42 missing +foobar84 missing" = \ + "$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)" +' + +test_expect_success "--batch-check for a non-existent hash" ' + test "0000000000000000000000000000000000000042 missing +0000000000000000000000000000000000000084 missing" = \ + "$( ( echo 0000000000000000000000000000000000000042; + echo_without_newline 0000000000000000000000000000000000000084; ) \ + | git cat-file --batch-check)" +' + +test_expect_success "--batch for an existent and a non-existent hash" ' + test "$tag_sha1 tag $tag_size +$tag_content +0000000000000000000000000000000000000000 missing" = \ + "$( ( echo $tag_sha1; + echo_without_newline 0000000000000000000000000000000000000000; ) \ + | git cat-file --batch)" +' + +test_expect_success "--batch-check for an emtpy line" ' + test " missing" = "$(echo | git cat-file --batch-check)" +' + +batch_input="$hello_sha1 +$commit_sha1 +$tag_sha1 +deadbeef + +" + +batch_output="$hello_sha1 blob $hello_size +$hello_content +$commit_sha1 commit $commit_size +$commit_content +$tag_sha1 tag $tag_size +$tag_content +deadbeef missing + missing" + +test_expect_success '--batch with multiple sha1s gives correct format' ' + test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)" +' + +batch_check_input="$hello_sha1 +$tree_sha1 +$commit_sha1 +$tag_sha1 +deadbeef + +" + +batch_check_output="$hello_sha1 blob $hello_size +$tree_sha1 tree $tree_size +$commit_sha1 commit $commit_size +$tag_sha1 tag $tag_size +deadbeef missing + missing" + +test_expect_success "--batch-check with multiple sha1s gives correct format" ' + test "$batch_check_output" = \ + "$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)" +' + +test_done diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh new file mode 100755 index 0000000000..05262954ab --- /dev/null +++ b/t/t1007-hash-object.sh @@ -0,0 +1,133 @@ +#!/bin/sh + +test_description=git-hash-object + +. ./test-lib.sh + +echo_without_newline() { + printf '%s' "$*" +} + +test_blob_does_not_exist() { + test_expect_success 'blob does not exist in database' " + test_must_fail git cat-file blob $1 + " +} + +test_blob_exists() { + test_expect_success 'blob exists in database' " + git cat-file blob $1 + " +} + +hello_content="Hello World" +hello_sha1=5e1c309dae7f45e0f39b1bf3ac3cd9db12e7d689 + +example_content="This is an example" +example_sha1=ddd3f836d3e3fbb7ae289aa9ae83536f76956399 + +setup_repo() { + echo_without_newline "$hello_content" > hello + echo_without_newline "$example_content" > example +} + +test_repo=test +push_repo() { + test_create_repo $test_repo + cd $test_repo + + setup_repo +} + +pop_repo() { + cd .. + rm -rf $test_repo +} + +setup_repo + +# Argument checking + +test_expect_success "multiple '--stdin's are rejected" ' + test_must_fail git hash-object --stdin --stdin < example +' + +test_expect_success "Can't use --stdin and --stdin-paths together" ' + test_must_fail git hash-object --stdin --stdin-paths && + test_must_fail git hash-object --stdin-paths --stdin +' + +test_expect_success "Can't pass filenames as arguments with --stdin-paths" ' + test_must_fail git hash-object --stdin-paths hello < example +' + +# Behavior + +push_repo + +test_expect_success 'hash a file' ' + test $hello_sha1 = $(git hash-object hello) +' + +test_blob_does_not_exist $hello_sha1 + +test_expect_success 'hash from stdin' ' + test $example_sha1 = $(git hash-object --stdin < example) +' + +test_blob_does_not_exist $example_sha1 + +test_expect_success 'hash a file and write to database' ' + test $hello_sha1 = $(git hash-object -w hello) +' + +test_blob_exists $hello_sha1 + +test_expect_success 'git hash-object --stdin file1 <file0 first operates on file0, then file1' ' + echo foo > file1 && + obname0=$(echo bar | git hash-object --stdin) && + obname1=$(git hash-object file1) && + obname0new=$(echo bar | git hash-object --stdin file1 | sed -n -e 1p) && + obname1new=$(echo bar | git hash-object --stdin file1 | sed -n -e 2p) && + test "$obname0" = "$obname0new" && + test "$obname1" = "$obname1new" +' + +pop_repo + +for args in "-w --stdin" "--stdin -w"; do + push_repo + + test_expect_success "hash from stdin and write to database ($args)" ' + test $example_sha1 = $(git hash-object $args < example) + ' + + test_blob_exists $example_sha1 + + pop_repo +done + +filenames="hello +example" + +sha1s="$hello_sha1 +$example_sha1" + +test_expect_success "hash two files with names on stdin" ' + test "$sha1s" = "$(echo_without_newline "$filenames" | git hash-object --stdin-paths)" +' + +for args in "-w --stdin-paths" "--stdin-paths -w"; do + push_repo + + test_expect_success "hash two files with names on stdin and write to database ($args)" ' + test "$sha1s" = "$(echo_without_newline "$filenames" | git hash-object $args)" + ' + + test_blob_exists $hello_sha1 + test_blob_exists $example_sha1 + + pop_repo +done + +test_done diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index a675cbb51b..afe7e663fb 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh @@ -427,13 +427,13 @@ cat > expect << EOF weird EOF -test_expect_success "rename succeeded" "git diff expect .git/config" +test_expect_success "rename succeeded" "test_cmp expect .git/config" test_expect_success "rename non-existing section" ' ! git config --rename-section branch."world domination" branch.drei ' -test_expect_success "rename succeeded" "git diff expect .git/config" +test_expect_success "rename succeeded" "test_cmp expect .git/config" test_expect_success "rename another section" \ 'git config --rename-section branch."1 234 blabl/a" branch.drei' @@ -449,7 +449,7 @@ cat > expect << EOF weird EOF -test_expect_success "rename succeeded" "git diff expect .git/config" +test_expect_success "rename succeeded" "test_cmp expect .git/config" cat >> .git/config << EOF [branch "zwei"] a = 1 [branch "vier"] @@ -465,7 +465,7 @@ weird EOF test_expect_success "section was removed properly" \ - "git diff -u expect .git/config" + "test_cmp expect .git/config" rm .git/config diff --git a/t/t1301-shared-repo.sh b/t/t1301-shared-repo.sh index 5e4252a320..6c78c8bc9b 100755 --- a/t/t1301-shared-repo.sh +++ b/t/t1301-shared-repo.sh @@ -83,4 +83,19 @@ do done +test_expect_success 'git reflog expire honors core.sharedRepository' ' + git config core.sharedRepository group && + git reflog expire --all && + actual="$(ls -l .git/logs/refs/heads/master)" && + case "$actual" in + -rw-rw-*) + : happy + ;; + *) + echo Ooops, .git/logs/refs/heads/master is not 0662 [$actual] + false + ;; + esac +' + test_done diff --git a/t/t1303-wacky-config.sh b/t/t1303-wacky-config.sh index f366b53fb6..f98f4c5179 100755 --- a/t/t1303-wacky-config.sh +++ b/t/t1303-wacky-config.sh @@ -11,7 +11,7 @@ setup() { check() { echo "$2" >expected git config --get "$1" >actual - git diff actual expected + test_cmp actual expected } test_expect_success 'modify same key' ' diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index 78cd41245b..f387d46f1a 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -32,6 +32,22 @@ test_expect_success \ "create $m" \ "git update-ref $m $B $A && test $B"' = $(cat .git/'"$m"')' +test_expect_success "fail to delete $m with stale ref" ' + test_must_fail git update-ref -d $m $A && + test $B = "$(cat .git/$m)" +' +test_expect_success "delete $m" ' + git update-ref -d $m $B && + ! test -f .git/$m +' +rm -f .git/$m + +test_expect_success "delete $m without oldvalue verification" " + git update-ref $m $A && + test $A = \$(cat .git/$m) && + git update-ref -d $m && + ! test -f .git/$m +" rm -f .git/$m test_expect_success \ @@ -49,6 +65,14 @@ test_expect_success \ "create $m (by HEAD)" \ "git update-ref HEAD $B $A && test $B"' = $(cat .git/'"$m"')' +test_expect_success "fail to delete $m (by HEAD) with stale ref" ' + test_must_fail git update-ref -d HEAD $A && + test $B = $(cat .git/$m) +' +test_expect_success "delete $m (by HEAD)" ' + git update-ref -d HEAD $B && + ! test -f .git/$m +' rm -f .git/$m test_expect_success '(not) create HEAD with old sha1' " diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh index 762af5faf7..997002d4c4 100755 --- a/t/t1502-rev-parse-parseopt.sh +++ b/t/t1502-rev-parse-parseopt.sh @@ -5,7 +5,7 @@ test_description='test git rev-parse --parseopt' cat > expect.err <<EOF usage: some-command [options] <args>... - + some-command does foo and bar! -h, --help show the help @@ -13,7 +13,7 @@ usage: some-command [options] <args>... --bar ... some cool option --bar with an argument An option group Header - -C [...] option C with an optional argument + -C[...] option C with an optional argument Extras --extra1 line above used to cause a segfault but no longer does @@ -37,7 +37,7 @@ C? option C with an optional argument Extras extra1 line above used to cause a segfault but no longer does EOF - git diff expect.err output.err + test_cmp expect.err output.err ' test_done diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh index b664341926..f57a6e077c 100755 --- a/t/t2200-add-update.sh +++ b/t/t2200-add-update.sh @@ -111,4 +111,21 @@ test_expect_success 'touch and then add explicitly' ' ' +test_expect_success 'add -n -u should not add but just report' ' + + ( + echo "add '\''check'\''" && + echo "remove '\''top'\''" + ) >expect && + before=$(git ls-files -s check top) && + echo changed >>check && + rm -f top && + git add -n -u >actual && + after=$(git ls-files -s check top) && + + test "$before" = "$after" && + test_cmp expect actual + +' + test_done diff --git a/t/t3001-ls-files-others-exclude.sh b/t/t3001-ls-files-others-exclude.sh index 55f057cebe..1caeacafa7 100755 --- a/t/t3001-ls-files-others-exclude.sh +++ b/t/t3001-ls-files-others-exclude.sh @@ -65,7 +65,7 @@ test_expect_success \ --exclude-per-directory=.gitignore \ --exclude-from=.git/ignore \ >output && - git diff expect output' + test_cmp expect output' # Test \r\n (MSDOS-like systems) printf '*.1\r\n/*.3\r\n!*.6\r\n' >.gitignore @@ -77,7 +77,7 @@ test_expect_success \ --exclude-per-directory=.gitignore \ --exclude-from=.git/ignore \ >output && - git diff expect output' + test_cmp expect output' cat > excludes-file << EOF *.[1-8] diff --git a/t/t3002-ls-files-dashpath.sh b/t/t3002-ls-files-dashpath.sh index 8687a01d2b..8704b04e1b 100755 --- a/t/t3002-ls-files-dashpath.sh +++ b/t/t3002-ls-files-dashpath.sh @@ -23,7 +23,7 @@ test_expect_success \ test_expect_success \ 'git ls-files without path restriction.' \ 'git ls-files --others >output && - git diff output - <<EOF + test_cmp output - <<EOF -- -foo output @@ -34,7 +34,7 @@ EOF test_expect_success \ 'git ls-files with path restriction.' \ 'git ls-files --others path0 >output && - git diff output - <<EOF + test_cmp output - <<EOF path0 EOF ' @@ -42,7 +42,7 @@ EOF test_expect_success \ 'git ls-files with path restriction with --.' \ 'git ls-files --others -- path0 >output && - git diff output - <<EOF + test_cmp output - <<EOF path0 EOF ' @@ -50,7 +50,7 @@ EOF test_expect_success \ 'git ls-files with path restriction with -- --.' \ 'git ls-files --others -- -- >output && - git diff output - <<EOF + test_cmp output - <<EOF -- EOF ' @@ -58,7 +58,7 @@ EOF test_expect_success \ 'git ls-files with no path restriction.' \ 'git ls-files --others -- >output && - git diff output - <<EOF + test_cmp output - <<EOF -- -foo output diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh index 607f57ff94..aff360303a 100755 --- a/t/t3030-merge-recursive.sh +++ b/t/t3030-merge-recursive.sh @@ -43,7 +43,7 @@ test_expect_success 'setup 1' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'setup 2' ' @@ -61,7 +61,7 @@ test_expect_success 'setup 2' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && echo goodbye >>a && o2=$(git hash-object a) && @@ -82,7 +82,7 @@ test_expect_success 'setup 2' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'setup 3' ' @@ -100,7 +100,7 @@ test_expect_success 'setup 3' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && rm -f b && mkdir b && echo df-1 >b/c && git add b/c && o3=$(git hash-object b/c) && @@ -119,7 +119,7 @@ test_expect_success 'setup 3' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'setup 4' ' @@ -137,7 +137,7 @@ test_expect_success 'setup 4' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && rm -f a && mkdir a && echo df-2 >a/c && git add a/c && o4=$(git hash-object a/c) && @@ -156,7 +156,7 @@ test_expect_success 'setup 4' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'setup 5' ' @@ -174,7 +174,7 @@ test_expect_success 'setup 5' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && rm -f b && echo remove-conflict >a && @@ -195,7 +195,7 @@ test_expect_success 'setup 5' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -214,7 +214,7 @@ test_expect_success 'setup 6' ' echo "100644 $o0 0 c" echo "100644 $o0 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && rm -fr d && echo df-3 >d && git add d && o6=$(git hash-object d) && @@ -233,7 +233,7 @@ test_expect_success 'setup 6' ' echo "100644 $o0 0 c" echo "100644 $o6 0 d" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'merge-recursive simple' ' @@ -265,7 +265,7 @@ test_expect_success 'merge-recursive result' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -297,7 +297,7 @@ test_expect_success 'merge-recursive remove conflict' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -318,7 +318,7 @@ test_expect_success 'merge-recursive result' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -352,7 +352,7 @@ test_expect_success 'merge-recursive d/f conflict result' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -386,7 +386,7 @@ test_expect_success 'merge-recursive d/f conflict result the other way' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -420,7 +420,7 @@ test_expect_success 'merge-recursive d/f conflict result' ' echo "100644 $o0 1 d/e" echo "100644 $o1 2 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -454,7 +454,7 @@ test_expect_success 'merge-recursive d/f conflict result' ' echo "100644 $o0 1 d/e" echo "100644 $o1 3 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' @@ -480,7 +480,7 @@ test_expect_success 'reset and bind merge' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual && + test_cmp expected actual && git read-tree --prefix=a1/ master && git ls-files -s >actual && @@ -498,7 +498,7 @@ test_expect_success 'reset and bind merge' ' echo "100644 $o0 0 c" echo "100644 $o1 0 d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual git read-tree --prefix=z/ master && git ls-files -s >actual && @@ -520,7 +520,7 @@ test_expect_success 'reset and bind merge' ' echo "100644 $o0 0 z/c" echo "100644 $o1 0 z/d/e" ) >expected && - git diff -u expected actual + test_cmp expected actual ' diff --git a/t/t3040-subprojects-basic.sh b/t/t3040-subprojects-basic.sh index 79b9f23654..f6973e96a5 100755 --- a/t/t3040-subprojects-basic.sh +++ b/t/t3040-subprojects-basic.sh @@ -24,7 +24,7 @@ test_expect_success 'create subprojects' \ git add sub2 && git commit -q -m "subprojects added" && git diff-tree --abbrev=5 HEAD^ HEAD |cut -d" " -f-3,5- >current && - git diff expected current' + test_cmp expected current' git branch save HEAD @@ -62,7 +62,7 @@ test_expect_success 'check if clone works' \ 'git ls-files -s >expected && git clone -l -s . cloned && ( cd cloned && git ls-files -s ) >current && - git diff expected current' + test_cmp expected current' test_expect_success 'removing and adding subproject' \ 'git update-index --force-remove -- sub2 && diff --git a/t/t3100-ls-tree-restrict.sh b/t/t3100-ls-tree-restrict.sh index 46427e3f36..6e6a2542a2 100755 --- a/t/t3100-ls-tree-restrict.sh +++ b/t/t3100-ls-tree-restrict.sh @@ -35,7 +35,7 @@ _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" test_output () { sed -e "s/ $_x40 / X /" <current >check - git diff expected check + test_cmp expected check } test_expect_success \ diff --git a/t/t3101-ls-tree-dirname.sh b/t/t3101-ls-tree-dirname.sh index 70f9ce9d52..4dd7d12bac 100755 --- a/t/t3101-ls-tree-dirname.sh +++ b/t/t3101-ls-tree-dirname.sh @@ -43,7 +43,7 @@ _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" test_output () { sed -e "s/ $_x40 / X /" <current >check - git diff expected check + test_cmp expected check } test_expect_success \ diff --git a/t/t3300-funny-names.sh b/t/t3300-funny-names.sh index 24a00a9df1..0574ef1f10 100755 --- a/t/t3300-funny-names.sh +++ b/t/t3300-funny-names.sh @@ -35,7 +35,7 @@ no-funny' >expected test_expect_success 'git ls-files no-funny' \ 'git update-index --add "$p0" "$p2" && git ls-files >current && - git diff expected current' + test_cmp expected current' t0=`git write-tree` echo "$t0" >t0 @@ -48,14 +48,14 @@ EOF test_expect_success 'git ls-files with-funny' \ 'git update-index --add "$p1" && git ls-files >current && - git diff expected current' + test_cmp expected current' echo 'just space no-funny tabs ," (dq) and spaces' >expected test_expect_success 'git ls-files -z with-funny' \ 'git ls-files -z | perl -pe y/\\000/\\012/ >current && - git diff expected current' + test_cmp expected current' t1=`git write-tree` echo "$t1" >t1 @@ -67,28 +67,28 @@ no-funny EOF test_expect_success 'git ls-tree with funny' \ 'git ls-tree -r $t1 | sed -e "s/^[^ ]* //" >current && - git diff expected current' + test_cmp expected current' cat > expected <<\EOF A "tabs\t,\" (dq) and spaces" EOF test_expect_success 'git diff-index with-funny' \ 'git diff-index --name-status $t0 >current && - git diff expected current' + test_cmp expected current' test_expect_success 'git diff-tree with-funny' \ 'git diff-tree --name-status $t0 $t1 >current && - git diff expected current' + test_cmp expected current' echo 'A tabs ," (dq) and spaces' >expected test_expect_success 'git diff-index -z with-funny' \ 'git diff-index -z --name-status $t0 | perl -pe y/\\000/\\012/ >current && - git diff expected current' + test_cmp expected current' test_expect_success 'git diff-tree -z with-funny' \ 'git diff-tree -z --name-status $t0 $t1 | perl -pe y/\\000/\\012/ >current && - git diff expected current' + test_cmp expected current' cat > expected <<\EOF CNUM no-funny "tabs\t,\" (dq) and spaces" @@ -96,7 +96,7 @@ EOF test_expect_success 'git diff-tree -C with-funny' \ 'git diff-tree -C --find-copies-harder --name-status \ $t0 $t1 | sed -e 's/^C[0-9]*/CNUM/' >current && - git diff expected current' + test_cmp expected current' cat > expected <<\EOF RNUM no-funny "tabs\t,\" (dq) and spaces" @@ -105,7 +105,7 @@ test_expect_success 'git diff-tree delete with-funny' \ 'git update-index --force-remove "$p0" && git diff-index -M --name-status \ $t0 | sed -e 's/^R[0-9]*/RNUM/' >current && - git diff expected current' + test_cmp expected current' cat > expected <<\EOF diff --git a/no-funny "b/tabs\t,\" (dq) and spaces" @@ -116,7 +116,7 @@ EOF test_expect_success 'git diff-tree delete with-funny' \ 'git diff-index -M -p $t0 | sed -e "s/index [0-9]*%/index NUM%/" >current && - git diff expected current' + test_cmp expected current' chmod +x "$p1" cat > expected <<\EOF @@ -130,7 +130,7 @@ EOF test_expect_success 'git diff-tree delete with-funny' \ 'git diff-index -M -p $t0 | sed -e "s/index [0-9]*%/index NUM%/" >current && - git diff expected current' + test_cmp expected current' cat >expected <<\EOF "tabs\t,\" (dq) and spaces" @@ -139,7 +139,7 @@ EOF test_expect_success 'git diff-tree rename with-funny applied' \ 'git diff-index -M -p $t0 | git apply --stat | sed -e "s/|.*//" -e "s/ *\$//" >current && - git diff expected current' + test_cmp expected current' cat > expected <<\EOF no-funny @@ -149,12 +149,12 @@ EOF test_expect_success 'git diff-tree delete with-funny applied' \ 'git diff-index -p $t0 | git apply --stat | sed -e "s/|.*//" -e "s/ *\$//" >current && - git diff expected current' + test_cmp expected current' test_expect_success 'git apply non-git diff' \ 'git diff-index -p $t0 | sed -ne "/^[-+@]/p" | git apply --stat | sed -e "s/|.*//" -e "s/ *\$//" >current && - git diff expected current' + test_cmp expected current' test_done diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index b9e3dbd242..1c80148dd5 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -96,6 +96,7 @@ chmod a+x fake-editor.sh test_expect_success 'no changes are a nop' ' git rebase -i F && + test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" && test $(git rev-parse I) = $(git rev-parse HEAD) ' @@ -104,14 +105,26 @@ test_expect_success 'test the [branch] option' ' git rm file6 && git commit -m "stop here" && git rebase -i F branch2 && + test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" && + test $(git rev-parse I) = $(git rev-parse branch2) && test $(git rev-parse I) = $(git rev-parse HEAD) ' +test_expect_success 'test --onto <branch>' ' + git checkout -b test-onto branch2 && + git rebase -i --onto branch1 F && + test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" && + test $(git rev-parse HEAD^) = $(git rev-parse branch1) && + test $(git rev-parse I) = $(git rev-parse branch2) +' + test_expect_success 'rebase on top of a non-conflicting commit' ' git checkout branch1 && git tag original-branch1 && git rebase -i branch2 && test file6 = $(git diff --name-only original-branch1) && + test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" && + test $(git rev-parse I) = $(git rev-parse branch2) && test $(git rev-parse I) = $(git rev-parse HEAD~2) ' @@ -144,9 +157,12 @@ EOF test_expect_success 'stop on conflicting pick' ' git tag new-branch1 && - ! git rebase -i master && + test_must_fail git rebase -i master && + test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" && test_cmp expect .git/.dotest-merge/patch && test_cmp expect2 file1 && + test "$(git-diff --name-status | + sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 && test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) && test 0 = $(grep -c "^[^#]" < .git/.dotest-merge/git-rebase-todo) ' @@ -154,6 +170,7 @@ test_expect_success 'stop on conflicting pick' ' test_expect_success 'abort' ' git rebase --abort && test $(git rev-parse new-branch1) = $(git rev-parse HEAD) && + test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" && ! test -d .git/.dotest-merge ' @@ -213,7 +230,7 @@ test_expect_success 'preserve merges with -p' ' test_expect_success '--continue tries to commit' ' test_tick && - ! git rebase -i --onto new-branch1 HEAD^ && + test_must_fail git rebase -i --onto new-branch1 HEAD^ && echo resolved > file1 && git add file1 && FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue && @@ -224,7 +241,7 @@ test_expect_success '--continue tries to commit' ' test_expect_success 'verbose flag is heeded, even after --continue' ' git reset --hard HEAD@{1} && test_tick && - ! git rebase -v -i --onto new-branch1 HEAD^ && + test_must_fail git rebase -v -i --onto new-branch1 HEAD^ && echo resolved > file1 && git add file1 && git rebase --continue > output && @@ -259,10 +276,14 @@ test_expect_success 'interrupted squash works as expected' ' git commit -m $n done && one=$(git rev-parse HEAD~3) && - ! FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 && + ( + FAKE_LINES="1 squash 3 2" && + export FAKE_LINES && + test_must_fail git rebase -i HEAD~3 + ) && (echo one; echo two; echo four) > conflict && git add conflict && - ! git rebase --continue && + test_must_fail git rebase --continue && echo resolved > conflict && git add conflict && git rebase --continue && @@ -277,13 +298,17 @@ test_expect_success 'interrupted squash works as expected (case 2)' ' git commit -m $n done && one=$(git rev-parse HEAD~3) && - ! FAKE_LINES="3 squash 1 2" git rebase -i HEAD~3 && + ( + FAKE_LINES="3 squash 1 2" && + export FAKE_LINES && + test_must_fail git rebase -i HEAD~3 + ) && (echo one; echo four) > conflict && git add conflict && - ! git rebase --continue && + test_must_fail git rebase --continue && (echo one; echo two; echo four) > conflict && git add conflict && - ! git rebase --continue && + test_must_fail git rebase --continue && echo resolved > conflict && git add conflict && git rebase --continue && @@ -331,7 +356,7 @@ test_expect_success 'rebase a commit violating pre-commit' ' chmod a+x $PRE_COMMIT && echo "monde! " >> file1 && test_tick && - ! git commit -m doesnt-verify file1 && + test_must_fail git commit -m doesnt-verify file1 && git commit -m doesnt-verify --no-verify file1 && test_tick && FAKE_LINES=2 git rebase -i HEAD~2 diff --git a/t/t3700-add.sh b/t/t3700-add.sh index 68c5ddebdf..e83fa1f689 100755 --- a/t/t3700-add.sh +++ b/t/t3700-add.sh @@ -179,4 +179,47 @@ test_expect_success 'git add --refresh' ' test -z "`git diff-index HEAD -- foo`" ' +test_expect_success 'git add should fail atomically upon an unreadable file' ' + git reset --hard && + date >foo1 && + date >foo2 && + chmod 0 foo2 && + test_must_fail git add --verbose . && + ! ( git ls-files foo1 | grep foo1 ) +' + +rm -f foo2 + +test_expect_success 'git add --ignore-errors' ' + git reset --hard && + date >foo1 && + date >foo2 && + chmod 0 foo2 && + test_must_fail git add --verbose --ignore-errors . && + git ls-files foo1 | grep foo1 +' + +rm -f foo2 + +test_expect_success 'git add (add.ignore-errors)' ' + git config add.ignore-errors 1 && + git reset --hard && + date >foo1 && + date >foo2 && + chmod 0 foo2 && + test_must_fail git add --verbose . && + git ls-files foo1 | grep foo1 +' +rm -f foo2 + +test_expect_success 'git add (add.ignore-errors = false)' ' + git config add.ignore-errors 0 && + git reset --hard && + date >foo1 && + date >foo2 && + chmod 0 foo2 && + test_must_fail git add --verbose . && + ! ( git ls-files foo1 | grep foo1 ) +' + test_done diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh index f15be93e77..fae64eae9f 100755 --- a/t/t3701-add-interactive.sh +++ b/t/t3701-add-interactive.sh @@ -66,6 +66,11 @@ test_expect_success 'revert works (commit)' ' grep "unchanged *+3/-0 file" output ' +if test "$(git config --bool core.filemode)" = false +then + say 'skipping filemode tests (filesystem does not properly support modes)' +else + test_expect_success 'patch does not affect mode' ' git reset --hard && echo content >>file && @@ -84,5 +89,7 @@ test_expect_success 'stage mode but not hunk' ' git diff file | grep "+content" ' +fi +# end of tests disabled when filemode is not usable test_done diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh index df1fd6f86f..c851db8ca9 100755 --- a/t/t3800-mktag.sh +++ b/t/t3800-mktag.sh @@ -241,11 +241,11 @@ check_verify_failure 'disallow spaces in tag email' \ ############################################################ # 17. disallow missing tag timestamp -cat >tag.sig <<EOF +tr '_' ' ' >tag.sig <<EOF object $head type commit tag mytag -tagger T A Gger <tagger@example.com> +tagger T A Gger <tagger@example.com>__ EOF diff --git a/t/t3900-i18n-commit.sh b/t/t3900-i18n-commit.sh index 94b1c24b0a..883281dbd6 100755 --- a/t/t3900-i18n-commit.sh +++ b/t/t3900-i18n-commit.sh @@ -9,7 +9,7 @@ test_description='commit and log output encodings' compare_with () { git show -s $1 | sed -e '1,/^$/d' -e 's/^ //' >current && - git diff current "$2" + test_cmp current "$2" } test_expect_success setup ' diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh index 2d3ee3b78c..54d99ed0c3 100755 --- a/t/t3903-stash.sh +++ b/t/t3903-stash.sh @@ -41,7 +41,7 @@ test_expect_success 'apply needs clean working directory' ' echo 4 > other-file && git add other-file && echo 5 > other-file && - test_must_fail git stash apply + test_must_fail git stash apply ' test_expect_success 'apply stashed changes' ' diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh index ab5406dd9f..4e92fce1d0 100755 --- a/t/t4006-diff-mode.sh +++ b/t/t4006-diff-mode.sh @@ -38,6 +38,6 @@ echo ":100644 100755 X X M rezrov" >expected test_expect_success \ 'verify' \ - 'git diff expected check' + 'test_cmp expected check' test_done diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 6b4d1c52bb..9337b81064 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -112,7 +112,7 @@ do } >"$actual" && if test -f "$expect" then - git diff "$expect" "$actual" && + test_cmp "$expect" "$actual" && rm -f "$actual" else # this is to help developing new tests. @@ -257,6 +257,7 @@ diff --patch-with-raw initial..side diff --patch-with-stat -r initial..side diff --patch-with-raw -r initial..side diff --name-status dir2 dir +diff --no-index --name-status dir2 dir EOF test_done diff --git a/t/t4013/diff.diff_--name-status_dir2_dir b/t/t4013/diff.diff_--name-status_dir2_dir index ef7fdb7335..d0d96aaa91 100644 --- a/t/t4013/diff.diff_--name-status_dir2_dir +++ b/t/t4013/diff.diff_--name-status_dir2_dir @@ -1,3 +1,2 @@ $ git diff --name-status dir2 dir -A dir/sub $ diff --git a/t/t4013/diff.diff_--no-index_--name-status_dir2_dir b/t/t4013/diff.diff_--no-index_--name-status_dir2_dir new file mode 100644 index 0000000000..6a47584777 --- /dev/null +++ b/t/t4013/diff.diff_--no-index_--name-status_dir2_dir @@ -0,0 +1,3 @@ +$ git diff --no-index --name-status dir2 dir +A dir/sub +$ diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index b2b7a8db85..7fe853c20d 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -98,7 +98,7 @@ test_expect_success 'extra headers' ' sed -e "/^$/q" patch2 > hdrs2 && grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs2 && grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs2 - + ' test_expect_success 'extra headers without newlines' ' @@ -109,7 +109,7 @@ test_expect_success 'extra headers without newlines' ' sed -e "/^$/q" patch3 > hdrs3 && grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs3 && grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs3 - + ' test_expect_success 'extra headers with multiple To:s' ' @@ -170,7 +170,7 @@ test_expect_success 'thread cover-letter' ' git checkout side && git format-patch --cover-letter --thread -o patches/ master && FIRST_MID=$(grep "Message-Id:" patches/0000-* | sed "s/^[^<]*\(<[^>]*>\).*$/\1/") && - for i in patches/0001-* patches/0002-* patches/0003-* + for i in patches/0001-* patches/0002-* patches/0003-* do grep "References: $FIRST_MID" $i && grep "In-Reply-To: $FIRST_MID" $i || break @@ -226,7 +226,7 @@ test_expect_success 'shortlog of cover-letter wraps overly-long onelines' ' git format-patch --cover-letter -2 && sed -e "1,/A U Thor/d" -e "/^$/q" < 0000-cover-letter.patch > output && - git diff expect output + test_cmp expect output ' diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh index 83c54b747f..0922c708f1 100755 --- a/t/t4015-diff-whitespace.sh +++ b/t/t4015-diff-whitespace.sh @@ -43,13 +43,13 @@ index adf3937..6edc172 100644 EOF git diff > out -test_expect_success "Ray's example without options" 'git diff expect out' +test_expect_success "Ray's example without options" 'test_cmp expect out' git diff -w > out -test_expect_success "Ray's example with -w" 'git diff expect out' +test_expect_success "Ray's example with -w" 'test_cmp expect out' git diff -b > out -test_expect_success "Ray's example with -b" 'git diff expect out' +test_expect_success "Ray's example with -b" 'test_cmp expect out' tr 'Q' '\015' << EOF > x whitespace at beginning @@ -62,16 +62,16 @@ EOF git update-index x -cat << EOF > x +tr '_' ' ' << EOF > x whitespace at beginning whitespace change white space in the middle -whitespace at end +whitespace at end__ unchanged line CR at end EOF -tr 'Q' '\015' << EOF > expect +tr 'Q_' '\015 ' << EOF > expect diff --git a/x b/x index d99af23..8b32fb5 100644 --- a/x @@ -84,20 +84,20 @@ index d99af23..8b32fb5 100644 + whitespace at beginning +whitespace change +white space in the middle -+whitespace at end ++whitespace at end__ unchanged line -CR at endQ +CR at end EOF git diff > out -test_expect_success 'another test, without options' 'git diff expect out' +test_expect_success 'another test, without options' 'test_cmp expect out' cat << EOF > expect diff --git a/x b/x index d99af23..8b32fb5 100644 EOF git diff -w > out -test_expect_success 'another test, with -w' 'git diff expect out' +test_expect_success 'another test, with -w' 'test_cmp expect out' tr 'Q' '\015' << EOF > expect diff --git a/x b/x @@ -115,7 +115,7 @@ index d99af23..8b32fb5 100644 CR at endQ EOF git diff -b > out -test_expect_success 'another test, with -b' 'git diff expect out' +test_expect_success 'another test, with -b' 'test_cmp expect out' test_expect_success 'check mixed spaces and tabs in indent' ' @@ -335,4 +335,10 @@ test_expect_success 'line numbers in --check output are correct' ' ' +test_expect_success 'checkdiff detects trailing blank lines' ' + echo "foo();" >x && + echo "" >>x && + git diff --check | grep "ends with blank" +' + test_done diff --git a/t/t4016-diff-quote.sh b/t/t4016-diff-quote.sh index 5dbdc0c9fa..f07035ab7e 100755 --- a/t/t4016-diff-quote.sh +++ b/t/t4016-diff-quote.sh @@ -49,22 +49,22 @@ cat >expect <<\EOF EOF test_expect_success 'git diff --summary -M HEAD' ' git diff --summary -M HEAD >actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<\EOF - pathname.1 => "Rpathname\twith HT.0" | 0 - pathname.3 => "Rpathname\nwith LF.0" | 0 - "pathname\twith HT.3" => "Rpathname\nwith LF.1" | 0 - pathname.2 => Rpathname with SP.0 | 0 - "pathname\twith HT.2" => Rpathname with SP.1 | 0 - pathname.0 => Rpathname.0 | 0 - "pathname\twith HT.0" => Rpathname.1 | 0 + pathname.1 => "Rpathname\twith HT.0" | 0 + pathname.3 => "Rpathname\nwith LF.0" | 0 + "pathname\twith HT.3" => "Rpathname\nwith LF.1" | 0 + pathname.2 => Rpathname with SP.0 | 0 + "pathname\twith HT.2" => Rpathname with SP.1 | 0 + pathname.0 => Rpathname.0 | 0 + "pathname\twith HT.0" => Rpathname.1 | 0 7 files changed, 0 insertions(+), 0 deletions(-) EOF test_expect_success 'git diff --stat -M HEAD' ' git diff --stat -M HEAD >actual && - git diff expect actual + test_cmp expect actual ' test_done diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh index dc0b7126cc..60dd2014d5 100755 --- a/t/t4017-diff-retval.sh +++ b/t/t4017-diff-retval.sh @@ -105,4 +105,26 @@ test_expect_success '--check with --no-pager returns 2 for dirty difference' ' ' + +test_expect_success 'check should test not just the last line' ' + echo "" >>a && + git --no-pager diff --check + test $? = 2 + +' + +test_expect_success 'check detects leftover conflict markers' ' + git reset --hard && + git checkout HEAD^ && + echo binary >>b && + git commit -m "side" b && + test_must_fail git merge master && + git add b && ( + git --no-pager diff --cached --check >test.out + test $? = 2 + ) && + test 3 = $(grep "conflict marker" test.out | wc -l) && + git reset --hard +' + test_done diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh index f9db81d3ab..6d3ef6c60b 100755 --- a/t/t4018-diff-funcname.sh +++ b/t/t4018-diff-funcname.sh @@ -33,13 +33,13 @@ EOF sed 's/beer\\/beer,\\/' < Beer.java > Beer-correct.java test_expect_success 'default behaviour' ' - git diff Beer.java Beer-correct.java | + git diff --no-index Beer.java Beer-correct.java | grep "^@@.*@@ public class Beer" ' test_expect_success 'preset java pattern' ' echo "*.java diff=java" >.gitattributes && - git diff Beer.java Beer-correct.java | + git diff --no-index Beer.java Beer-correct.java | grep "^@@.*@@ public static void main(" ' @@ -48,13 +48,13 @@ git config diff.java.funcname '!static [^ ].*s.*' test_expect_success 'custom pattern' ' - git diff Beer.java Beer-correct.java | + git diff --no-index Beer.java Beer-correct.java | grep "^@@.*@@ int special;$" ' test_expect_success 'last regexp must not be negated' ' git config diff.java.funcname "!static" && - ! git diff Beer.java Beer-correct.java + ! git diff --no-index Beer.java Beer-correct.java ' test_done diff --git a/t/t4100-apply-stat.sh b/t/t4100-apply-stat.sh index 435f65b370..e0c67740a5 100755 --- a/t/t4100-apply-stat.sh +++ b/t/t4100-apply-stat.sh @@ -3,44 +3,38 @@ # Copyright (c) 2005 Junio C Hamano # -test_description='git apply --stat --summary test. +test_description='git apply --stat --summary test, with --recount ' . ./test-lib.sh -test_expect_success \ - 'rename' \ - 'git apply --stat --summary <../t4100/t-apply-1.patch >current && - git diff ../t4100/t-apply-1.expect current' - -test_expect_success \ - 'copy' \ - 'git apply --stat --summary <../t4100/t-apply-2.patch >current && - git diff ../t4100/t-apply-2.expect current' - -test_expect_success \ - 'rewrite' \ - 'git apply --stat --summary <../t4100/t-apply-3.patch >current && - git diff ../t4100/t-apply-3.expect current' - -test_expect_success \ - 'mode' \ - 'git apply --stat --summary <../t4100/t-apply-4.patch >current && - git diff ../t4100/t-apply-4.expect current' - -test_expect_success \ - 'non git' \ - 'git apply --stat --summary <../t4100/t-apply-5.patch >current && - git diff ../t4100/t-apply-5.expect current' - -test_expect_success \ - 'non git' \ - 'git apply --stat --summary <../t4100/t-apply-6.patch >current && - git diff ../t4100/t-apply-6.expect current' - -test_expect_success \ - 'non git' \ - 'git apply --stat --summary <../t4100/t-apply-7.patch >current && - git diff ../t4100/t-apply-7.expect current' +UNC='s/^\(@@ -[1-9][0-9]*\),[0-9]* \(+[1-9][0-9]*\),[0-9]* @@/\1,999 \2,999 @@/' + +num=0 +while read title +do + num=$(( $num + 1 )) + test_expect_success "$title" ' + git apply --stat --summary \ + <"$TEST_DIRECTORY/t4100/t-apply-$num.patch" >current && + test_cmp ../t4100/t-apply-$num.expect current + ' + + test_expect_success "$title with recount" ' + sed -e "$UNC" <"$TEST_DIRECTORY/t4100/t-apply-$num.patch" | + git apply --recount --stat --summary >current && + test_cmp ../t4100/t-apply-$num.expect current + ' +done <<\EOF +rename +copy +rewrite +mode +non git (1) +non git (2) +non git (3) +incomplete (1) +incomplete (2) +EOF test_done diff --git a/t/t4100/t-apply-8.expect b/t/t4100/t-apply-8.expect new file mode 100644 index 0000000000..eef7f2e65c --- /dev/null +++ b/t/t4100/t-apply-8.expect @@ -0,0 +1,2 @@ + t/t4100-apply-stat.sh | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/t/t4100/t-apply-8.patch b/t/t4100/t-apply-8.patch new file mode 100644 index 0000000000..5ca13e6594 --- /dev/null +++ b/t/t4100/t-apply-8.patch @@ -0,0 +1,11 @@ +diff --git a/t/t4100-apply-stat.sh b/t/t4100-apply-stat.sh +index be837bb..0798c64 100755 +--- a/t/t4100-apply-stat.sh ++++ b/t/t4100-apply-stat.sh +@@ -35,4 +35,4 @@ non git (2) + non git (3) + EOF + +-test_done ++test_done +\ No newline at end of file diff --git a/t/t4100/t-apply-9.expect b/t/t4100/t-apply-9.expect new file mode 100644 index 0000000000..eef7f2e65c --- /dev/null +++ b/t/t4100/t-apply-9.expect @@ -0,0 +1,2 @@ + t/t4100-apply-stat.sh | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/t/t4100/t-apply-9.patch b/t/t4100/t-apply-9.patch new file mode 100644 index 0000000000..875d57d567 --- /dev/null +++ b/t/t4100/t-apply-9.patch @@ -0,0 +1,11 @@ +diff --git a/t/t4100-apply-stat.sh b/t/t4100-apply-stat.sh +index 0798c64..be837bb 100755 +--- a/t/t4100-apply-stat.sh ++++ b/t/t4100-apply-stat.sh +@@ -35,4 +35,4 @@ non git (2) + non git (3) + EOF + +-test_done +\ No newline at end of file ++test_done diff --git a/t/t4104-apply-boundary.sh b/t/t4104-apply-boundary.sh index 43943ab8ca..e7e2913de7 100755 --- a/t/t4104-apply-boundary.sh +++ b/t/t4104-apply-boundary.sh @@ -90,7 +90,7 @@ do cat '"$kind-patch.$with"' (exit 1) } && - git diff '"$kind"'-expect victim + test_cmp '"$kind"'-expect victim ' done done @@ -108,7 +108,7 @@ do cat '"$kind-ng.without"' (exit 1) } && - git diff '"$kind"'-expect victim + test_cmp '"$kind"'-expect victim ' done diff --git a/t/t4109-apply-multifrag.sh b/t/t4109-apply-multifrag.sh index bd40a218cd..ff5fdf35f9 100755 --- a/t/t4109-apply-multifrag.sh +++ b/t/t4109-apply-multifrag.sh @@ -9,134 +9,10 @@ test_description='git apply test patches with multiple fragments. ' . ./test-lib.sh -# setup - -cat > patch1.patch <<\EOF -diff --git a/main.c b/main.c -new file mode 100644 ---- /dev/null -+++ b/main.c -@@ -0,0 +1,23 @@ -+#include <stdio.h> -+ -+int func(int num); -+void print_int(int num); -+ -+int main() { -+ int i; -+ -+ for (i = 0; i < 10; i++) { -+ print_int(func(i)); -+ } -+ -+ return 0; -+} -+ -+int func(int num) { -+ return num * num; -+} -+ -+void print_int(int num) { -+ printf("%d", num); -+} -+ -EOF -cat > patch2.patch <<\EOF -diff --git a/main.c b/main.c ---- a/main.c -+++ b/main.c -@@ -1,7 +1,9 @@ -+#include <stdlib.h> - #include <stdio.h> - - int func(int num); - void print_int(int num); -+void print_ln(); - - int main() { - int i; -@@ -10,6 +12,8 @@ - print_int(func(i)); - } - -+ print_ln(); -+ - return 0; - } - -@@ -21,3 +25,7 @@ - printf("%d", num); - } - -+void print_ln() { -+ printf("\n"); -+} -+ -EOF -cat > patch3.patch <<\EOF -diff --git a/main.c b/main.c ---- a/main.c -+++ b/main.c -@@ -1,9 +1,7 @@ --#include <stdlib.h> - #include <stdio.h> - - int func(int num); - void print_int(int num); --void print_ln(); - - int main() { - int i; -@@ -12,8 +10,6 @@ - print_int(func(i)); - } - -- print_ln(); -- - return 0; - } - -@@ -25,7 +21,3 @@ - printf("%d", num); - } - --void print_ln() { -- printf("\n"); --} -- -EOF -cat > patch4.patch <<\EOF -diff --git a/main.c b/main.c ---- a/main.c -+++ b/main.c -@@ -1,13 +1,14 @@ - #include <stdio.h> - - int func(int num); --void print_int(int num); -+int func2(int num); - - int main() { - int i; - - for (i = 0; i < 10; i++) { -- print_int(func(i)); -+ printf("%d", func(i)); -+ printf("%d", func3(i)); - } - - return 0; -@@ -17,7 +18,7 @@ - return num * num; - } - --void print_int(int num) { -- printf("%d", num); -+int func2(int num) { -+ return num * num * num; - } - -EOF +cp ../t4109/patch1.patch . +cp ../t4109/patch2.patch . +cp ../t4109/patch3.patch . +cp ../t4109/patch4.patch . test_expect_success "S = git apply (1)" \ 'git apply patch1.patch patch2.patch' diff --git a/t/t4109/patch1.patch b/t/t4109/patch1.patch new file mode 100644 index 0000000000..1d411fc3cc --- /dev/null +++ b/t/t4109/patch1.patch @@ -0,0 +1,28 @@ +diff --git a/main.c b/main.c +new file mode 100644 +--- /dev/null ++++ b/main.c +@@ -0,0 +1,23 @@ ++#include <stdio.h> ++ ++int func(int num); ++void print_int(int num); ++ ++int main() { ++ int i; ++ ++ for (i = 0; i < 10; i++) { ++ print_int(func(i)); ++ } ++ ++ return 0; ++} ++ ++int func(int num) { ++ return num * num; ++} ++ ++void print_int(int num) { ++ printf("%d", num); ++} ++ diff --git a/t/t4109/patch2.patch b/t/t4109/patch2.patch new file mode 100644 index 0000000000..8c6b06d536 --- /dev/null +++ b/t/t4109/patch2.patch @@ -0,0 +1,30 @@ +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -1,7 +1,9 @@ ++#include <stdlib.h> + #include <stdio.h> + + int func(int num); + void print_int(int num); ++void print_ln(); + + int main() { + int i; +@@ -10,6 +12,8 @@ + print_int(func(i)); + } + ++ print_ln(); ++ + return 0; + } + +@@ -21,3 +25,7 @@ + printf("%d", num); + } + ++void print_ln() { ++ printf("\n"); ++} ++ diff --git a/t/t4109/patch3.patch b/t/t4109/patch3.patch new file mode 100644 index 0000000000..d696c55a75 --- /dev/null +++ b/t/t4109/patch3.patch @@ -0,0 +1,31 @@ +cat > patch3.patch <<\EOF +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -1,9 +1,7 @@ +-#include <stdlib.h> + #include <stdio.h> + + int func(int num); + void print_int(int num); +-void print_ln(); + + int main() { + int i; +@@ -12,8 +10,6 @@ + print_int(func(i)); + } + +- print_ln(); +- + return 0; + } + +@@ -25,7 +21,3 @@ + printf("%d", num); + } + +-void print_ln() { +- printf("\n"); +-} +- diff --git a/t/t4109/patch4.patch b/t/t4109/patch4.patch new file mode 100644 index 0000000000..4b085909b1 --- /dev/null +++ b/t/t4109/patch4.patch @@ -0,0 +1,30 @@ +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -1,13 +1,14 @@ + #include <stdio.h> + + int func(int num); +-void print_int(int num); ++int func2(int num); + + int main() { + int i; + + for (i = 0; i < 10; i++) { +- print_int(func(i)); ++ printf("%d", func(i)); ++ printf("%d", func3(i)); + } + + return 0; +@@ -17,7 +18,7 @@ + return num * num; + } + +-void print_int(int num) { +- printf("%d", num); ++int func2(int num) { ++ return num * num * num; + } + diff --git a/t/t4115-apply-symlink.sh b/t/t4115-apply-symlink.sh index a07ff42c2f..9ace578f17 100755 --- a/t/t4115-apply-symlink.sh +++ b/t/t4115-apply-symlink.sh @@ -33,7 +33,7 @@ test_expect_success 'apply symlink patch' ' git checkout side && git apply patch && git diff-files -p >patched && - git diff patch patched + test_cmp patch patched ' @@ -42,7 +42,7 @@ test_expect_success 'apply --index symlink patch' ' git checkout -f side && git apply --index patch && git diff-index --cached -p HEAD >patched && - git diff patch patched + test_cmp patch patched ' diff --git a/t/t4116-apply-reverse.sh b/t/t4116-apply-reverse.sh index c3f4579007..1459a90716 100755 --- a/t/t4116-apply-reverse.sh +++ b/t/t4116-apply-reverse.sh @@ -42,7 +42,7 @@ test_expect_success 'apply in reverse' ' git reset --hard second && git apply --reverse --binary --index patch && git diff >diff && - git diff /dev/null diff + test_cmp /dev/null diff ' diff --git a/t/t4117-apply-reject.sh b/t/t4117-apply-reject.sh index 659e17c92e..e9ccd161ee 100755 --- a/t/t4117-apply-reject.sh +++ b/t/t4117-apply-reject.sh @@ -54,7 +54,7 @@ test_expect_success 'apply without --reject should fail' ' exit 1 fi - git diff file1 saved.file1 + test_cmp file1 saved.file1 ' test_expect_success 'apply without --reject should fail' ' @@ -65,7 +65,7 @@ test_expect_success 'apply without --reject should fail' ' exit 1 fi - git diff file1 saved.file1 + test_cmp file1 saved.file1 ' test_expect_success 'apply with --reject should fail but update the file' ' @@ -79,7 +79,7 @@ test_expect_success 'apply with --reject should fail but update the file' ' exit 1 fi - git diff file1 expected && + test_cmp file1 expected && cat file1.rej && @@ -105,7 +105,7 @@ test_expect_success 'apply with --reject should fail but update the file' ' echo "file1 still exists?" exit 1 } - git diff file2 expected && + test_cmp file2 expected && cat file2.rej && @@ -132,7 +132,7 @@ test_expect_success 'the same test with --verbose' ' echo "file1 still exists?" exit 1 } - git diff file2 expected && + test_cmp file2 expected && cat file2.rej && @@ -151,7 +151,7 @@ test_expect_success 'apply cleanly with --verbose' ' git apply --verbose patch.1 && - git diff file1 clean + test_cmp file1 clean ' test_done diff --git a/t/t4118-apply-empty-context.sh b/t/t4118-apply-empty-context.sh index 1d531caf79..f92e259cc6 100755 --- a/t/t4118-apply-empty-context.sh +++ b/t/t4118-apply-empty-context.sh @@ -38,7 +38,7 @@ test_expect_success 'apply --numstat' ' echo "0 1 file1" && echo "0 1 file2" } >expect && - git diff expect actual + test_cmp expect actual ' @@ -48,8 +48,8 @@ test_expect_success 'apply --apply' ' cat file2.orig >file2 && git update-index file1 file2 && git apply --index diff.output && - git diff file1.mods file1 && - git diff file2.mods file2 + test_cmp file1.mods file1 && + test_cmp file2.mods file2 ' test_done diff --git a/t/t4119-apply-config.sh b/t/t4119-apply-config.sh index b540f7295a..3c73a783a7 100755 --- a/t/t4119-apply-config.sh +++ b/t/t4119-apply-config.sh @@ -19,12 +19,12 @@ test_expect_success setup ' ' # Also handcraft GNU diff output; note this has trailing whitespace. -cat >gpatch.file <<\EOF && +tr '_' ' ' >gpatch.file <<\EOF && --- file1 2007-02-21 01:04:24.000000000 -0800 +++ file1+ 2007-02-21 01:07:44.000000000 -0800 @@ -1 +1 @@ -A -+B ++B_ EOF sed -e 's|file1|sub/&|' gpatch.file >gpatch-sub.file && diff --git a/t/t4126-apply-empty.sh b/t/t4126-apply-empty.sh new file mode 100755 index 0000000000..ceb6a79fe0 --- /dev/null +++ b/t/t4126-apply-empty.sh @@ -0,0 +1,57 @@ +#!/bin/sh + +test_description='apply empty' + +. ./test-lib.sh + +test_expect_success setup ' + >empty && + git add empty && + test_tick && + git commit -m initial && + for i in a b c d e + do + echo $i + done >empty && + cat empty >expect && + git diff | + sed -e "/^diff --git/d" \ + -e "/^index /d" \ + -e "s|a/empty|empty.orig|" \ + -e "s|b/empty|empty|" >patch0 && + sed -e "s|empty|missing|" patch0 >patch1 && + >empty && + git update-index --refresh +' + +test_expect_success 'apply empty' ' + git reset --hard && + rm -f missing && + git apply patch0 && + test_cmp expect empty +' + +test_expect_success 'apply --index empty' ' + git reset --hard && + rm -f missing && + git apply --index patch0 && + test_cmp expect empty && + git diff --exit-code +' + +test_expect_success 'apply create' ' + git reset --hard && + rm -f missing && + git apply patch1 && + test_cmp expect missing +' + +test_expect_success 'apply --index create' ' + git reset --hard && + rm -f missing && + git apply --index patch1 && + test_cmp expect missing && + git diff --exit-code +' + +test_done diff --git a/t/t4127-apply-same-fn.sh b/t/t4127-apply-same-fn.sh new file mode 100755 index 0000000000..1f859dd908 --- /dev/null +++ b/t/t4127-apply-same-fn.sh @@ -0,0 +1,90 @@ +#!/bin/sh + +test_description='apply same filename' + +. ./test-lib.sh + +modify () { + sed -e "$1" < "$2" > "$2".x && + mv "$2".x "$2" +} + +test_expect_success setup ' + for i in a b c d e f g h i j k l m + do + echo $i + done >same_fn && + cp same_fn other_fn && + git add same_fn other_fn && + git commit -m initial +' +test_expect_success 'apply same filename with independent changes' ' + modify "s/^d/z/" same_fn && + git diff > patch0 && + git add same_fn && + modify "s/^i/y/" same_fn && + git diff >> patch0 && + cp same_fn same_fn2 && + git reset --hard && + git-apply patch0 && + diff same_fn same_fn2 +' + +test_expect_success 'apply same filename with overlapping changes' ' + git reset --hard + modify "s/^d/z/" same_fn && + git diff > patch0 && + git add same_fn && + modify "s/^e/y/" same_fn && + git diff >> patch0 && + cp same_fn same_fn2 && + git reset --hard && + git-apply patch0 && + diff same_fn same_fn2 +' + +test_expect_success 'apply same new filename after rename' ' + git reset --hard + git mv same_fn new_fn + modify "s/^d/z/" new_fn && + git add new_fn && + git diff -M --cached > patch1 && + modify "s/^e/y/" new_fn && + git diff >> patch1 && + cp new_fn new_fn2 && + git reset --hard && + git apply --index patch1 && + diff new_fn new_fn2 +' + +test_expect_success 'apply same old filename after rename -- should fail.' ' + git reset --hard + git mv same_fn new_fn + modify "s/^d/z/" new_fn && + git add new_fn && + git diff -M --cached > patch1 && + git mv new_fn same_fn + modify "s/^e/y/" same_fn && + git diff >> patch1 && + git reset --hard && + test_must_fail git apply patch1 +' + +test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' ' + git reset --hard + git mv same_fn new_fn + modify "s/^d/z/" new_fn && + git add new_fn && + git diff -M --cached > patch1 && + git commit -m "a rename" && + git mv other_fn same_fn + modify "s/^e/y/" same_fn && + git add same_fn && + git diff -M --cached >> patch1 && + modify "s/^g/x/" same_fn && + git diff >> patch1 && + git reset --hard HEAD^ && + git apply patch1 +' + +test_done diff --git a/t/t4150-am-subdir.sh b/t/t4150-am-subdir.sh deleted file mode 100755 index 52069b469b..0000000000 --- a/t/t4150-am-subdir.sh +++ /dev/null @@ -1,72 +0,0 @@ -#!/bin/sh - -test_description='git am running from a subdirectory' - -. ./test-lib.sh - -test_expect_success setup ' - echo hello >world && - git add world && - test_tick && - git commit -m initial && - git tag initial && - echo goodbye >world && - git add world && - test_tick && - git commit -m second && - git format-patch --stdout HEAD^ >patchfile && - : >expect -' - -test_expect_success 'am regularly from stdin' ' - git checkout initial && - git am <patchfile && - git diff master >actual && - test_cmp expect actual -' - -test_expect_success 'am regularly from file' ' - git checkout initial && - git am patchfile && - git diff master >actual && - test_cmp expect actual -' - -test_expect_success 'am regularly from stdin in subdirectory' ' - rm -fr subdir && - git checkout initial && - ( - mkdir -p subdir && - cd subdir && - git am <../patchfile - ) && - git diff master>actual && - test_cmp expect actual -' - -test_expect_success 'am regularly from file in subdirectory' ' - rm -fr subdir && - git checkout initial && - ( - mkdir -p subdir && - cd subdir && - git am ../patchfile - ) && - git diff master >actual && - test_cmp expect actual -' - -test_expect_success 'am regularly from file in subdirectory with full path' ' - rm -fr subdir && - git checkout initial && - P=$(pwd) && - ( - mkdir -p subdir && - cd subdir && - git am "$P/patchfile" - ) && - git diff master >actual && - test_cmp expect actual -' - -test_done diff --git a/t/t4150-am.sh b/t/t4150-am.sh new file mode 100755 index 0000000000..bc982607d0 --- /dev/null +++ b/t/t4150-am.sh @@ -0,0 +1,260 @@ +#!/bin/sh + +test_description='git am running' + +. ./test-lib.sh + +cat >msg <<EOF +second + +Lorem ipsum dolor sit amet, consectetuer sadipscing elitr, sed diam nonumy +eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam +voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita +kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem +ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod +tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At +vero eos et accusam et justo duo dolores et ea rebum. + + Duis autem vel eum iriure dolor in hendrerit in vulputate velit + esse molestie consequat, vel illum dolore eu feugiat nulla facilisis + at vero eros et accumsan et iusto odio dignissim qui blandit + praesent luptatum zzril delenit augue duis dolore te feugait nulla + facilisi. + + +Lorem ipsum dolor sit amet, +consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut +laoreet dolore magna aliquam erat volutpat. + + git + --- + +++ + +Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit +lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure +dolor in hendrerit in vulputate velit esse molestie consequat, vel illum +dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio +dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te +feugait nulla facilisi. +EOF + +cat >failmail <<EOF +From foo@example.com Fri May 23 10:43:49 2008 +From: foo@example.com +To: bar@example.com +Subject: Re: [RFC/PATCH] git-foo.sh +Date: Fri, 23 May 2008 05:23:42 +0200 + +Sometimes we have to find out that there's nothing left. + +EOF + +cat >pine <<EOF +From MAILER-DAEMON Fri May 23 10:43:49 2008 +Date: 23 May 2008 05:23:42 +0200 +From: Mail System Internal Data <MAILER-DAEMON@example.com> +Subject: DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA +Message-ID: <foo-0001@example.com> + +This text is part of the internal format of your mail folder, and is not +a real message. It is created automatically by the mail system software. +If deleted, important folder data will be lost, and it will be re-created +with the data reset to initial values. + +EOF + +echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >expected + +test_expect_success setup ' + echo hello >file && + git add file && + test_tick && + git commit -m first && + git tag first && + echo world >>file && + git add file && + test_tick && + git commit -s -F msg && + git tag second && + git format-patch --stdout first >patch1 && + sed -n -e "3,\$p" msg >file && + git add file && + test_tick && + git commit -m third && + git format-patch --stdout first >patch2 && + git checkout -b lorem && + sed -n -e "11,\$p" msg >file && + head -n 9 msg >>file && + test_tick && + git commit -a -m "moved stuff" && + echo goodbye >another && + git add another && + test_tick && + git commit -m "added another file" && + git format-patch --stdout master >lorem-move.patch +' + +# reset time +unset test_tick +test_tick + +test_expect_success 'am applies patch correctly' ' + git checkout first && + test_tick && + git am <patch1 && + ! test -d .dotest && + test -z "$(git diff second)" && + test "$(git rev-parse second)" = "$(git rev-parse HEAD)" && + test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)" +' + +GIT_AUTHOR_NAME="Another Thor" +GIT_AUTHOR_EMAIL="a.thor@example.com" +GIT_COMMITTER_NAME="Co M Miter" +GIT_COMMITTER_EMAIL="c.miter@example.com" +export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL + +compare () { + test "$(git cat-file commit "$2" | grep "^$1 ")" = \ + "$(git cat-file commit "$3" | grep "^$1 ")" +} + +test_expect_success 'am changes committer and keeps author' ' + test_tick && + git checkout first && + git am patch2 && + ! test -d .dotest && + test "$(git rev-parse master^^)" = "$(git rev-parse HEAD^^)" && + test -z "$(git diff master..HEAD)" && + test -z "$(git diff master^..HEAD^)" && + compare author master HEAD && + compare author master^ HEAD^ && + test "$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" = \ + "$(git log -1 --pretty=format:"%cn <%ce>" HEAD)" +' + +test_expect_success 'am --signoff adds Signed-off-by: line' ' + git checkout -b master2 first && + git am --signoff <patch2 && + echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >>expected && + git cat-file commit HEAD^ | grep "Signed-off-by:" >actual && + test_cmp actual expected && + echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >expected && + git cat-file commit HEAD | grep "Signed-off-by:" >actual && + test_cmp actual expected +' + +test_expect_success 'am stays in branch' ' + test "refs/heads/master2" = "$(git symbolic-ref HEAD)" +' + +test_expect_success 'am --signoff does not add Signed-off-by: line if already there' ' + git format-patch --stdout HEAD^ >patch3 && + sed -e "/^Subject/ s,\[PATCH,Re: Re: Re: & 1/5 v2," patch3 >patch4 + git checkout HEAD^ && + git am --signoff patch4 && + test "$(git cat-file commit HEAD | grep -c "^Signed-off-by:")" -eq 1 +' + +test_expect_success 'am without --keep removes Re: and [PATCH] stuff' ' + test "$(git rev-parse HEAD)" = "$(git rev-parse master2)" +' + +test_expect_success 'am --keep really keeps the subject' ' + git checkout HEAD^ && + git am --keep patch4 && + ! test -d .dotest && + git-cat-file commit HEAD | + grep -q -F "Re: Re: Re: [PATCH 1/5 v2] third" +' + +test_expect_success 'am -3 falls back to 3-way merge' ' + git checkout -b lorem2 master2 && + sed -n -e "3,\$p" msg >file && + head -n 9 msg >>file && + git add file && + test_tick && + git commit -m "copied stuff" && + git am -3 lorem-move.patch && + ! test -d .dotest && + test -z "$(git diff lorem)" +' + +test_expect_success 'am pauses on conflict' ' + git checkout lorem2^^ && + ! git am lorem-move.patch && + test -d .dotest +' + +test_expect_success 'am --skip works' ' + git am --skip && + ! test -d .dotest && + test -z "$(git diff lorem2^^ -- file)" && + test goodbye = "$(cat another)" +' + +test_expect_success 'am --resolved works' ' + git checkout lorem2^^ && + ! git am lorem-move.patch && + test -d .dotest && + echo resolved >>file && + git add file && + git am --resolved && + ! test -d .dotest && + test goodbye = "$(cat another)" +' + +test_expect_success 'am takes patches from a Pine mailbox' ' + git checkout first && + cat pine patch1 | git am && + ! test -d .dotest && + test -z "$(git diff master^..HEAD)" +' + +test_expect_success 'am fails on mail without patch' ' + ! git am <failmail && + rm -r .dotest/ +' + +test_expect_success 'am fails on empty patch' ' + echo "---" >>failmail && + ! git am <failmail && + git am --skip && + ! test -d .dotest +' + +test_expect_success 'am works from stdin in subdirectory' ' + rm -fr subdir && + git checkout first && + ( + mkdir -p subdir && + cd subdir && + git am <../patch1 + ) && + test -z "$(git diff second)" +' + +test_expect_success 'am works from file (relative path given) in subdirectory' ' + rm -fr subdir && + git checkout first && + ( + mkdir -p subdir && + cd subdir && + git am ../patch1 + ) && + test -z "$(git diff second)" +' + +test_expect_success 'am works from file (absolute path given) in subdirectory' ' + rm -fr subdir && + git checkout first && + P=$(pwd) && + ( + mkdir -p subdir && + cd subdir && + git am "$P/patch1" + ) && + test -z "$(git diff second)" +' + +test_done diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh index 3cbfee704e..85d7e3edcd 100755 --- a/t/t4200-rerere.sh +++ b/t/t4200-rerere.sh @@ -101,7 +101,7 @@ cat > expect << EOF EOF git rerere diff > out -test_expect_success 'rerere diff' 'git diff expect out' +test_expect_success 'rerere diff' 'test_cmp expect out' cat > expect << EOF a1 @@ -109,7 +109,7 @@ EOF git rerere status > out -test_expect_success 'rerere status' 'git diff expect out' +test_expect_success 'rerere status' 'test_cmp expect out' test_expect_success 'commit succeeds' \ "git commit -q -a -m 'prefer first over second'" @@ -126,7 +126,7 @@ test_expect_success 'another conflicting merge' ' git show first:a1 | sed 's/To die: t/To die! T/' > expect test_expect_success 'rerere kicked in' "! grep ======= a1" -test_expect_success 'rerere prefers first change' 'git diff a1 expect' +test_expect_success 'rerere prefers first change' 'test_cmp a1 expect' rm $rr/postimage echo "$sha1 a1" | perl -pe 'y/\012/\000/' > .git/rr-cache/MERGE_RR diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh index 9b0baac8db..3f1e25d921 100755 --- a/t/t5000-tar-tree.sh +++ b/t/t5000-tar-tree.sh @@ -45,6 +45,11 @@ test_expect_success \ (cd a && find .) | sort >a.lst' test_expect_success \ + 'add ignored file' \ + 'echo ignore me >a/ignored && + echo ignored export-ignore >.gitattributes' + +test_expect_success \ 'add files to repository' \ 'find a -type f | xargs git update-index --add && find a -type l | xargs git update-index --add && @@ -54,6 +59,10 @@ test_expect_success \ git commit-tree $treeid </dev/null)' test_expect_success \ + 'remove ignored file' \ + 'rm a/ignored' + +test_expect_success \ 'git archive' \ 'git archive HEAD >b.tar' diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh index d6c55c1157..577ecc210a 100755 --- a/t/t5100-mailinfo.sh +++ b/t/t5100-mailinfo.sh @@ -25,4 +25,22 @@ do diff ../t5100/info$mail info$mail" done +test_expect_success 'respect NULs' ' + + git mailsplit -d3 -o. ../t5100/nul-plain && + cmp ../t5100/nul-plain 001 && + (cat 001 | git mailinfo msg patch) && + test 4 = $(wc -l < patch) + +' + +test_expect_success 'Preserve NULs out of MIME encoded message' ' + + git mailsplit -d5 -o. ../t5100/nul-b64.in && + cmp ../t5100/nul-b64.in 00001 && + git mailinfo msg patch <00001 && + cmp ../t5100/nul-b64.expect patch + +' + test_done diff --git a/t/t5100/nul-b64.expect b/t/t5100/nul-b64.expect Binary files differnew file mode 100644 index 0000000000..d7d680f631 --- /dev/null +++ b/t/t5100/nul-b64.expect diff --git a/t/t5100/nul-b64.in b/t/t5100/nul-b64.in new file mode 100644 index 0000000000..16540d961f --- /dev/null +++ b/t/t5100/nul-b64.in @@ -0,0 +1,37 @@ +From 667d8940e719cddee1cfe237cbbe215e20270b09 Mon Sep 17 00:00:00 2001 +From: Junio C Hamano <gitster@pobox.com> +Date: Sun, 25 May 2008 00:38:18 -0700 +Subject: [PATCH] second +Content-Transfer-Encoding: base64 + +LS0tCiBmaWxlIHwgIEJpbiAxMzU3IC0+IDEzNTcgYnl0ZXMKIDEgZmlsZXMgY2hhbmdlZCwg +MCBpbnNlcnRpb25zKCspLCAwIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2ZpbGUgYi9m +aWxlCmluZGV4IDc3MzYxZDguLjllMDJiZTYgMTAwNjQ0Ci0tLSBhL2ZpbGUKKysrIGIvZmls +ZQpAQCAtMSwxMiArMSwxMiBAQAogTG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNl +Y3RldHVlciBhZGlwaXNjaW5nIGVsaXQuIFN1c3BlbmRpc3NlCiBzaXQgYW1ldCB0dXJwaXMg +ZWdldCBlc3QgY3Vyc3VzIGxhb3JlZXQuIEFsaXF1YW0gbWF1cmlzLiBQcmFlc2VudAotdm9s +dXRwYXQuIFByb2luIGluIHB1cnVzLiBOdWxsYSB1cm5hIHNhcGllbiwgZGFwaWJ1cyBzaXQg +YW1ldCwKK3ZvbHV0cGF0LiBQcm9pbiBpbiBwdXJ1cy4gTnVsbGEgdXJuYSBzYXBpZW4sIGRh +cGkAdXMgc2l0IGFtZXQsCiBoZW5kcmVyaXQgbmVjLCB0ZW1wdXMgZXUsIG1pLiBVdCBwb3J0 +YSwgbGVvIGlkIHRpbmNpZHVudCB1bGxhbWNvcnBlciwKLXZlbGl0IGZlbGlzIHRyaXN0aXF1 +ZSBhbnRlLCBhdCBsb2JvcnRpcyBkaWFtIHBlZGUgdXQgZHVpLiBQcm9pbiBhYwordmVsaXQg +ZmVsaXMgdHJpc3RpcXVlIGFudGUsIGF0IGxvAG9ydGlzIGRpYW0gcGVkZSB1dCBkdWkuIFBy +b2luIGFjCiBsZWN0dXMuIERvbmVjIGF0IG1hc3NhIGFjIGlwc3VtIGhlbmRyZXJpdCBzb2xs +aWNpdHVkaW4uIE5hbSBkaWN0dW0KIG5pc2kgc2VkIG1pLiBEdWlzIHNlZCBhbnRlLiBVdCB2 +aXRhZSBlc3QgdXQgZHVpIHVsdHJpY2llcyBkaWduaXNzaW0uCiAKLUluIHZlbCBvZGlvIGVn +ZXQgbmlzbCBjb252YWxsaXMgdm9sdXRwYXQuIE1vcmJpIHZpdGFlIG5pYmguIE51bGxhbQor +SW4gdmVsIG9kaW8gZWdldCBuaXNsIGNvbnZhbGxpcyB2b2x1dHBhdC4gTW9yAGkgdml0YWUg +bmkAaC4gTnVsbGFtCiBhY2N1bXNhbiwgZG9sb3IgcXVpcyBhbGlxdWFtIHNjZWxlcmlzcXVl +LCBlbGl0IGVuaW0gY29uZGltZW50dW0KIG1hdXJpcywgbm9uIHRyaXN0aXF1ZSBtYXVyaXMg +dHVycGlzIGV0IG1hdXJpcy4gVXQgbm9uIG5pc2wuIE5hbSBkaWFtCiBtaSwgc2VtcGVyIHBv +c3VlcmUsIGVsZWlmZW5kIHV0LCBhdWN0b3IgdmVsLCBlcmF0LiBTZWQgcG9zdWVyZQpAQCAt +MTYsNyArMTYsNyBAQCBzZWQgZXN0LiBFdGlhbSBkaWFtIGZlbGlzLCBmZXJtZW50dW0gZWdl +dCwgYWRpcGlzY2luZyBhdCwgcG9zdWVyZSBpbiwKIGR1aS4gRXRpYW0gbHVjdHVzLgogCiBO +dWxsYSBpZCBhdWd1ZS4gTmFtIGlhY3VsaXMgYWNjdW1zYW4gbmlzaS4gU3VzcGVuZGlzc2Ug +cG90ZW50aS4gTnVuYwotdmFyaXVzIGF1Z3VlIG5lYyBvcmNpLiBVdCBjb25kaW1lbnR1bSBk +b2xvciBzYWdpdHRpcyBuaWJoLiBTdXNwZW5kaXNzZQordmFyaXVzIGF1Z3VlIG5lYyBvcmNp +LiBVdCBjb25kaW1lbnR1bSBkb2xvciBzYWdpdHRpcyBuaQBoLiBTdXNwZW5kaXNzZQogdGVt +cG9yIGxlY3R1cyBzZWQgbWFnbmEuIFN1c3BlbmRpc3NlIHBvdGVudGkuIE51bGxhbSB0ZW1w +b3IgaXBzdW0uIFNlZAogbW9sZXN0aWUgdGVsbHVzLiBQaGFzZWxsdXMgbGlndWxhLiBJbiB2 +ZWhpY3VsYSB1bHRyaWNlcwogbmlzaS4gU3VzcGVuZGlzc2UgZmVsaXMgYXVndWUsIHBlbGxl +bnRlc3F1ZSBhdCwgZGljdHVtIHZpdmVycmEsCi0tIAoxLjUuNS4xLjU0MC5nNTc3ODAKCg== diff --git a/t/t5100/nul-plain b/t/t5100/nul-plain Binary files differnew file mode 100644 index 0000000000..3d40691787 --- /dev/null +++ b/t/t5100/nul-plain diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh index 09fd917672..ecec591634 100755 --- a/t/t5302-pack-index.sh +++ b/t/t5302-pack-index.sh @@ -162,4 +162,18 @@ test_expect_success \ '[index v2] 5) pack-objects refuses to reuse corrupted data' \ '! git pack-objects test-5 <obj-list' +test_expect_success \ + '[index v2] 6) verify-pack detects CRC mismatch' \ + 'rm -f .git/objects/pack/* && + git-index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" && + git verify-pack ".git/objects/pack/pack-${pack1}.pack" && + chmod +w ".git/objects/pack/pack-${pack1}.idx" && + dd if=/dev/zero of=".git/objects/pack/pack-${pack1}.idx" conv=notrunc \ + bs=1 count=4 seek=$((8 + 256 * 4 + `wc -l <obj-list` * 20 + 0)) && + ( while read obj + do git cat-file -p $obj >/dev/null || exit 1 + done <obj-list ) && + err=$(! git verify-pack ".git/objects/pack/pack-${pack1}.pack" 2>&1) && + echo "$err" | grep "CRC mismatch"' + test_done diff --git a/t/t5303-hash-object.sh b/t/t5303-hash-object.sh deleted file mode 100755 index 543c0784bd..0000000000 --- a/t/t5303-hash-object.sh +++ /dev/null @@ -1,35 +0,0 @@ -#!/bin/sh - -test_description=git-hash-object - -. ./test-lib.sh - -test_expect_success \ - 'git hash-object -w --stdin saves the object' \ - 'obname=$(echo foo | git hash-object -w --stdin) && - obpath=$(echo $obname | sed -e "s/\(..\)/\1\//") && - test -r .git/objects/"$obpath" && - rm -f .git/objects/"$obpath"' - -test_expect_success \ - 'git hash-object --stdin -w saves the object' \ - 'obname=$(echo foo | git hash-object --stdin -w) && - obpath=$(echo $obname | sed -e "s/\(..\)/\1\//") && - test -r .git/objects/"$obpath" && - rm -f .git/objects/"$obpath"' - -test_expect_success \ - 'git hash-object --stdin file1 <file0 first operates on file0, then file1' \ - 'echo foo > file1 && - obname0=$(echo bar | git hash-object --stdin) && - obname1=$(git hash-object file1) && - obname0new=$(echo bar | git hash-object --stdin file1 | sed -n -e 1p) && - obname1new=$(echo bar | git hash-object --stdin file1 | sed -n -e 2p) && - test "$obname0" = "$obname0new" && - test "$obname1" = "$obname1new"' - -test_expect_success \ - 'git hash-object refuses multiple --stdin arguments' \ - '! git hash-object --stdin --stdin < file1' - -test_done diff --git a/t/t5303-pack-corruption-resilience.sh b/t/t5303-pack-corruption-resilience.sh new file mode 100755 index 0000000000..31b20b21d2 --- /dev/null +++ b/t/t5303-pack-corruption-resilience.sh @@ -0,0 +1,194 @@ +#!/bin/sh +# +# Copyright (c) 2008 Nicolas Pitre +# + +test_description='resilience to pack corruptions with redundant objects' +. ./test-lib.sh + +# Note: the test objects are created with knowledge of their pack encoding +# to ensure good code path coverage, and to facilitate direct alteration +# later on. The assumed characteristics are: +# +# 1) blob_2 is a delta with blob_1 for base and blob_3 is a delta with blob2 +# for base, such that blob_3 delta depth is 2; +# +# 2) the bulk of object data is uncompressible so the text part remains +# visible; +# +# 3) object header is always 2 bytes. + +create_test_files() { + test-genrandom "foo" 2000 > file_1 && + test-genrandom "foo" 1800 > file_2 && + test-genrandom "foo" 1800 > file_3 && + echo " base " >> file_1 && + echo " delta1 " >> file_2 && + echo " delta delta2 " >> file_3 && + test-genrandom "bar" 150 >> file_2 && + test-genrandom "baz" 100 >> file_3 +} + +create_new_pack() { + rm -rf .git && + git init && + blob_1=`git hash-object -t blob -w file_1` && + blob_2=`git hash-object -t blob -w file_2` && + blob_3=`git hash-object -t blob -w file_3` && + pack=`printf "$blob_1\n$blob_2\n$blob_3\n" | + git pack-objects $@ .git/objects/pack/pack` && + pack=".git/objects/pack/pack-${pack}" && + git verify-pack -v ${pack}.pack +} + +do_corrupt_object() { + ofs=`git show-index < ${pack}.idx | grep $1 | cut -f1 -d" "` && + ofs=$(($ofs + $2)) && + chmod +w ${pack}.pack && + dd if=/dev/zero of=${pack}.pack count=1 bs=1 conv=notrunc seek=$ofs && + test_must_fail git verify-pack ${pack}.pack +} + +test_expect_success \ + 'initial setup validation' \ + 'create_test_files && + create_new_pack && + git prune-packed && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'create corruption in header of first object' \ + 'do_corrupt_object $blob_1 0 && + test_must_fail git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... but having a loose copy allows for full recovery' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_1 && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... and loose copy of first delta allows for partial recovery' \ + 'git prune-packed && + test_must_fail git cat-file blob $blob_2 > /dev/null && + mv ${pack}.idx tmp && + git hash-object -t blob -w file_2 && + mv tmp ${pack}.idx && + test_must_fail git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'create corruption in data of first object' \ + 'create_new_pack && + git prune-packed && + chmod +w ${pack}.pack && + perl -i.bak -pe "s/ base /abcdef/" ${pack}.pack && + test_must_fail git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... but having a loose copy allows for full recovery' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_1 && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... and loose copy of second object allows for partial recovery' \ + 'git prune-packed && + test_must_fail git cat-file blob $blob_2 > /dev/null && + mv ${pack}.idx tmp && + git hash-object -t blob -w file_2 && + mv tmp ${pack}.idx && + test_must_fail git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'create corruption in header of first delta' \ + 'create_new_pack && + git prune-packed && + do_corrupt_object $blob_2 0 && + git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... but having a loose copy allows for full recovery' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_2 && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'create corruption in data of first delta' \ + 'create_new_pack && + git prune-packed && + chmod +w ${pack}.pack && + perl -i.bak -pe "s/ delta1 /abcdefgh/" ${pack}.pack && + git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... but having a loose copy allows for full recovery' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_2 && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'corruption in delta base reference of first delta (OBJ_REF_DELTA)' \ + 'create_new_pack && + git prune-packed && + do_corrupt_object $blob_2 2 && + git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... but having a loose copy allows for full recovery' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_2 && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + 'corruption in delta base reference of first delta (OBJ_OFS_DELTA)' \ + 'create_new_pack --delta-base-offset && + git prune-packed && + do_corrupt_object $blob_2 2 && + git cat-file blob $blob_1 > /dev/null && + test_must_fail git cat-file blob $blob_2 > /dev/null && + test_must_fail git cat-file blob $blob_3 > /dev/null' + +test_expect_success \ + '... and a redundant pack allows for full recovery too' \ + 'mv ${pack}.idx tmp && + git hash-object -t blob -w file_1 && + git hash-object -t blob -w file_2 && + printf "$blob_1\n$blob_2\n" | git pack-objects .git/objects/pack/pack && + git prune-packed && + mv tmp ${pack}.idx && + git cat-file blob $blob_1 > /dev/null && + git cat-file blob $blob_2 > /dev/null && + git cat-file blob $blob_3 > /dev/null' + +test_done diff --git a/t/t5304-prune.sh b/t/t5304-prune.sh index 9fd9d07000..9fd9d07000 100644..100755 --- a/t/t5304-prune.sh +++ b/t/t5304-prune.sh diff --git a/t/t5305-include-tag.sh b/t/t5305-include-tag.sh index 0db27547ac..fb471a08c6 100755 --- a/t/t5305-include-tag.sh +++ b/t/t5305-include-tag.sh @@ -50,7 +50,7 @@ test_expect_success 'check unpacked result (have commit, no tag)' ' test_must_fail git cat-file -e $tag && git rev-list --objects $commit ) >list.actual && - git diff list.expect list.actual + test_cmp list.expect list.actual ' rm -rf clone.git @@ -78,7 +78,7 @@ test_expect_success 'check unpacked result (have commit, have tag)' ' export GIT_DIR && git rev-list --objects $tag ) >list.actual && - git diff list.expect list.actual + test_cmp list.expect list.actual ' test_done diff --git a/t/t5400-send-pack.sh b/t/t5400-send-pack.sh index 2b6b6e3f71..68c2ae688c 100755 --- a/t/t5400-send-pack.sh +++ b/t/t5400-send-pack.sh @@ -110,7 +110,7 @@ test_expect_success \ cd .. && git update-ref refs/heads/master master^ || return 1 git-send-pack --force ./victim/.git/ master && return 1 - ! git diff .git/refs/heads/master victim/.git/refs/heads/master + ! test_cmp .git/refs/heads/master victim/.git/refs/heads/master ' test_expect_success \ diff --git a/t/t5401-update-hooks.sh b/t/t5401-update-hooks.sh index 9a12024241..2fff300153 100755 --- a/t/t5401-update-hooks.sh +++ b/t/t5401-update-hooks.sh @@ -83,23 +83,23 @@ test_expect_success 'hooks ran' ' test_expect_success 'pre-receive hook input' ' (echo $commit0 $commit1 refs/heads/master; echo $commit1 $commit0 refs/heads/tofail - ) | git diff - victim/.git/pre-receive.stdin + ) | test_cmp - victim/.git/pre-receive.stdin ' test_expect_success 'update hook arguments' ' (echo refs/heads/master $commit0 $commit1; echo refs/heads/tofail $commit1 $commit0 - ) | git diff - victim/.git/update.args + ) | test_cmp - victim/.git/update.args ' test_expect_success 'post-receive hook input' ' echo $commit0 $commit1 refs/heads/master | - git diff - victim/.git/post-receive.stdin + test_cmp - victim/.git/post-receive.stdin ' test_expect_success 'post-update hook arguments' ' echo refs/heads/master | - git diff - victim/.git/post-update.args + test_cmp - victim/.git/post-update.args ' test_expect_success 'all hook stdin is /dev/null' ' @@ -130,7 +130,7 @@ STDERR post-update EOF test_expect_success 'send-pack stderr contains hook messages' ' grep ^STD send.err >actual && - git diff - actual <expect + test_cmp - actual <expect ' test_done diff --git a/t/t5503-tagfollow.sh b/t/t5503-tagfollow.sh index 86e5b9bc26..4074e23ffa 100755 --- a/t/t5503-tagfollow.sh +++ b/t/t5503-tagfollow.sh @@ -50,7 +50,7 @@ test_expect_success 'fetch A (new commit : 1 connection)' ' ) && test -s $U && cut -d" " -f1,2 $U >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success "create tag T on A, create C on branch cat" ' @@ -82,7 +82,7 @@ test_expect_success 'fetch C, T (new branch, tag : 1 connection)' ' ) && test -s $U && cut -d" " -f1,2 $U >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success "create commits O, B, tag S on B" ' @@ -118,7 +118,7 @@ test_expect_success 'fetch B, S (commit and tag : 1 connection)' ' ) && test -s $U && cut -d" " -f1,2 $U >actual && - git diff expect actual + test_cmp expect actual ' cat - <<EOF >expect @@ -144,7 +144,7 @@ test_expect_success 'new clone fetch master and tags' ' ) && test -s $U && cut -d" " -f1,2 $U >actual && - git diff expect actual + test_cmp expect actual ' test_done diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh index 48ff2d424d..1e192a2207 100755 --- a/t/t5505-remote.sh +++ b/t/t5505-remote.sh @@ -135,7 +135,26 @@ test_expect_success 'show' ' git config --add remote.origin.push \ +refs/tags/lastbackup && git remote show origin > output && - git diff expect output) + test_cmp expect output) +' + +cat > test/expect << EOF +* remote origin + URL: $(pwd)/one/.git + Remote branch merged with 'git pull' while on branch master + master + Tracked remote branches + master side + Local branches pushed with 'git push' + master:upstream +refs/tags/lastbackup +EOF + +test_expect_success 'show -n' ' + (mv one one.unreachable && + cd test && + git remote show -n origin > output && + mv ../one.unreachable ../one && + test_cmp expect output) ' test_expect_success 'prune' ' @@ -148,6 +167,24 @@ test_expect_success 'prune' ' ! git rev-parse refs/remotes/origin/side) ' +cat > test/expect << EOF +Pruning origin +URL: $(pwd)/one/.git + * [would prune] origin/side2 +EOF + +test_expect_success 'prune --dry-run' ' + (cd one && + git branch -m side2 side) && + (cd test && + git remote prune --dry-run origin > output && + git rev-parse refs/remotes/origin/side2 && + ! git rev-parse refs/remotes/origin/side && + (cd ../one && + git branch -m side side2) && + test_cmp expect output) +' + test_expect_success 'add --mirror && prune' ' (mkdir mirror && cd mirror && @@ -164,6 +201,24 @@ test_expect_success 'add --mirror && prune' ' git rev-parse --verify refs/heads/side) ' +test_expect_success 'add alt && prune' ' + (mkdir alttst && + cd alttst && + git init && + git remote add -f origin ../one && + git config remote.alt.url ../one && + git config remote.alt.fetch "+refs/heads/*:refs/remotes/origin/*") && + (cd one && + git branch -m side side2) && + (cd alttst && + git rev-parse --verify refs/remotes/origin/side && + ! git rev-parse --verify refs/remotes/origin/side2 && + git fetch alt && + git remote prune alt && + ! git rev-parse --verify refs/remotes/origin/side && + git rev-parse --verify refs/remotes/origin/side2) +' + cat > one/expect << EOF apis/master apis/side @@ -179,7 +234,7 @@ test_expect_success 'update' ' git remote add apis ../mirror && git remote update && git branch -r > output && - git diff expect output) + test_cmp expect output) ' @@ -206,7 +261,7 @@ test_expect_success 'update with arguments' ' git config remotes.titanus manduca && git remote update phobaeticus titanus && git branch -r > output && - git diff expect output) + test_cmp expect output) ' @@ -229,7 +284,7 @@ test_expect_success 'update default' ' git config remote.drosophila.skipDefaultUpdate true && git remote update default && git branch -r > output && - git diff expect output) + test_cmp expect output) ' @@ -249,7 +304,7 @@ test_expect_success 'update default (overridden, with funny whitespace)' ' git config remotes.default "$(printf "\t drosophila \n")" && git remote update default && git branch -r > output && - git diff expect output) + test_cmp expect output) ' diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh index 6946557c67..df7750f7d1 100755 --- a/t/t5510-fetch.sh +++ b/t/t5510-fetch.sh @@ -37,7 +37,8 @@ test_expect_success "clone and setup child repos" ' echo "Pull: refs/heads/one:refs/heads/one" } >.git/remotes/two && cd .. && - git clone . bundle + git clone . bundle && + git clone . seven ' test_expect_success "fetch test" ' @@ -295,4 +296,11 @@ test_expect_success 'configured fetch updates tracking' ' ) ' +test_expect_success 'pushing nonexistent branch by mistake should not segv' ' + + cd "$D" && + test_must_fail git push seven no:no + +' + test_done diff --git a/t/t5511-refspec.sh b/t/t5511-refspec.sh index 670a8f1c99..22ba380034 100755 --- a/t/t5511-refspec.sh +++ b/t/t5511-refspec.sh @@ -23,10 +23,13 @@ test_refspec () { } test_refspec push '' invalid -test_refspec push ':' invalid +test_refspec push ':' +test_refspec push '::' invalid +test_refspec push '+:' test_refspec fetch '' test_refspec fetch ':' +test_refspec fetch '::' invalid test_refspec push 'refs/heads/*:refs/remotes/frotz/*' test_refspec push 'refs/heads/*:refs/remotes/frotz' invalid diff --git a/t/t5515-fetch-merge-logic.sh b/t/t5515-fetch-merge-logic.sh index 65c37744aa..8becbc3f38 100755 --- a/t/t5515-fetch-merge-logic.sh +++ b/t/t5515-fetch-merge-logic.sh @@ -142,16 +142,19 @@ do set x $cmd; shift git symbolic-ref HEAD refs/heads/$1 ; shift rm -f .git/FETCH_HEAD - rm -f .git/refs/heads/* - rm -f .git/refs/remotes/rem/* - rm -f .git/refs/tags/* + git for-each-ref \ + refs/heads refs/remotes/rem refs/tags | + while read val type refname + do + git update-ref -d "$refname" "$val" + done git fetch "$@" >/dev/null cat .git/FETCH_HEAD } >"$actual_f" && git show-ref >"$actual_r" && if test -f "$expect_f" then - git diff -u "$expect_f" "$actual_f" && + test_cmp "$expect_f" "$actual_f" && rm -f "$actual_f" else # this is to help developing new tests. @@ -160,7 +163,7 @@ do fi && if test -f "$expect_r" then - git diff -u "$expect_r" "$actual_r" && + test_cmp "$expect_r" "$actual_r" && rm -f "$actual_r" else # this is to help developing new tests. diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh index 3af03d4827..6805032a05 100755 --- a/t/t5516-fetch-push.sh +++ b/t/t5516-fetch-push.sh @@ -146,7 +146,7 @@ test_expect_success 'push with wildcard' ' test_expect_success 'push with insteadOf' ' mk_empty && TRASH="$(pwd)/" && - git config "url./$TRASH/.insteadOf" trash/ && + git config "url.$TRASH.insteadOf" trash/ && git push trash/testrepo refs/heads/master:refs/remotes/origin/master && ( cd testrepo && @@ -165,6 +165,47 @@ test_expect_success 'push with matching heads' ' ' +test_expect_success 'push with matching heads on the command line' ' + + mk_test heads/master && + git push testrepo : && + check_push_result $the_commit heads/master + +' + +test_expect_success 'failed (non-fast-forward) push with matching heads' ' + + mk_test heads/master && + git push testrepo : && + git commit --amend -massaged && + ! git push testrepo && + check_push_result $the_commit heads/master && + git reset --hard $the_commit + +' + +test_expect_success 'push --force with matching heads' ' + + mk_test heads/master && + git push testrepo : && + git commit --amend -massaged && + git push --force testrepo && + ! check_push_result $the_commit heads/master && + git reset --hard $the_commit + +' + +test_expect_success 'push with matching heads and forced update' ' + + mk_test heads/master && + git push testrepo : && + git commit --amend -massaged && + git push testrepo +: && + ! check_push_result $the_commit heads/master && + git reset --hard $the_commit + +' + test_expect_success 'push with no ambiguity (1)' ' mk_test heads/master && diff --git a/t/t5518-fetch-exit-status.sh b/t/t5518-fetch-exit-status.sh new file mode 100755 index 0000000000..c6bc65faa0 --- /dev/null +++ b/t/t5518-fetch-exit-status.sh @@ -0,0 +1,37 @@ +#!/bin/sh +# +# Copyright (c) 2008 Dmitry V. Levin +# + +test_description='fetch exit status test' + +. ./test-lib.sh + +test_expect_success setup ' + + >file && + git add file && + git commit -m initial && + + git checkout -b side && + echo side >file && + git commit -a -m side && + + git checkout master && + echo next >file && + git commit -a -m next +' + +test_expect_success 'non fast forward fetch' ' + + test_must_fail git fetch . master:side + +' + +test_expect_success 'forced update' ' + + git fetch . +master:side + +' + +test_done diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh index 9484129ca5..997b2db827 100755 --- a/t/t5520-pull.sh +++ b/t/t5520-pull.sh @@ -92,4 +92,22 @@ test_expect_success '--rebase with rebased upstream' ' ' +test_expect_success 'pull --rebase dies early with dirty working directory' ' + + git update-ref refs/remotes/me/copy copy^ && + COPY=$(git rev-parse --verify me/copy) && + git rebase --onto $COPY copy && + git config branch.to-rebase.remote me && + git config branch.to-rebase.merge refs/heads/copy && + git config branch.to-rebase.rebase true && + echo dirty >> file && + git add file && + test_must_fail git pull && + test $COPY = $(git rev-parse --verify me/copy) && + git checkout HEAD -- file && + git pull && + test $COPY != $(git rev-parse --verify me/copy) + +' + test_done diff --git a/t/t5540-http-push.sh b/t/t5540-http-push.sh index 7372439164..f15dd03e4d 100755 --- a/t/t5540-http-push.sh +++ b/t/t5540-http-push.sh @@ -38,7 +38,7 @@ test_expect_success 'setup remote repository' ' cd - && mv test_repo.git $HTTPD_DOCUMENT_ROOT_PATH ' - + test_expect_success 'clone remote repository' ' cd "$ROOT_PATH" && git clone $HTTPD_URL/test_repo.git test_repo_clone diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index dc9d63dbf9..b642fb260b 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -23,4 +23,33 @@ test_expect_success 'clone with excess parameters' ' ' +test_expect_success 'clone checks out files' ' + + git clone src dst && + test -f dst/file + +' + +test_expect_success 'clone respects GIT_WORK_TREE' ' + + GIT_WORK_TREE=worktree git clone src bare && + test -f bare/config && + test -f worktree/file + +' + +test_expect_success 'clone creates intermediate directories' ' + + git clone src long/path/to/dst && + test -f long/path/to/dst/file + +' + +test_expect_success 'clone creates intermediate directories for bare repo' ' + + git clone --bare src long/path/to/bare/dst && + test -f long/path/to/bare/dst/config + +' + test_done diff --git a/t/t5700-clone-reference.sh b/t/t5700-clone-reference.sh index e5619a9f5c..1c10916069 100755 --- a/t/t5700-clone-reference.sh +++ b/t/t5700-clone-reference.sh @@ -8,6 +8,8 @@ test_description='test clone --reference' base_dir=`pwd` +U=$base_dir/UPLOAD_LOG + test_expect_success 'preparing first repository' \ 'test_create_repo A && cd A && echo first > file1 && @@ -50,8 +52,13 @@ diff expected current' cd "$base_dir" +rm -f "$U" + test_expect_success 'cloning with reference (no -l -s)' \ -'git clone --reference B "file://$(pwd)/A" D' +'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"' + +test_expect_success 'fetched no objects' \ +'! grep "^want" "$U"' cd "$base_dir" @@ -113,4 +120,30 @@ diff expected current' cd "$base_dir" +test_expect_success 'preparing alternate repository #1' \ +'test_create_repo F && cd F && +echo first > file1 && +git add file1 && +git commit -m initial' + +cd "$base_dir" + +test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' \ +'git clone F G && cd F && +echo second > file2 && +git add file2 && +git commit -m addition' + +cd "$base_dir" + +test_expect_success 'cloning alternate repo #1, using #2 as reference' \ +'git clone --reference G F H' + +cd "$base_dir" + +test_expect_success 'cloning with reference being subset of source (-l -s)' \ +'git clone -l -s --reference A B E' + +cd "$base_dir" + test_done diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh index 0dc915ea67..9176484db2 100755 --- a/t/t6006-rev-list-format.sh +++ b/t/t6006-rev-list-format.sh @@ -15,7 +15,7 @@ test_format() { cat >expect.$1 test_expect_success "format $1" " git rev-list --pretty=format:$2 master >output.$1 && -git diff expect.$1 output.$1 +test_cmp expect.$1 output.$1 " } diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh index 79dc58b2ce..74e9e6618e 100755 --- a/t/t6023-merge-file.sh +++ b/t/t6023-merge-file.sh @@ -63,7 +63,7 @@ test_expect_success "merge without conflict (missing LF at EOF)" \ "git merge-file test2.txt orig.txt new2.txt" test_expect_success "merge result added missing LF" \ - "git diff test.txt test2.txt" + "test_cmp test.txt test2.txt" cp test.txt backup.txt test_expect_success "merge with conflicts" \ @@ -86,7 +86,7 @@ non timebo mala, quoniam tu mecum es: virga tua et baculus tuus ipsa me consolata sunt. EOF -test_expect_success "expected conflict markers" "git diff test.txt expect.txt" +test_expect_success "expected conflict markers" "test_cmp test.txt expect.txt" cp backup.txt test.txt test_expect_success "merge with conflicts, using -L" \ @@ -110,7 +110,7 @@ virga tua et baculus tuus ipsa me consolata sunt. EOF test_expect_success "expected conflict markers, with -L" \ - "git diff test.txt expect.txt" + "test_cmp test.txt expect.txt" sed "s/ tu / TU /" < new1.txt > new5.txt test_expect_success "conflict in removed tail" \ @@ -132,7 +132,7 @@ virga tua et baculus tuus ipsa me consolata sunt. >>>>>>> new5.txt EOF -test_expect_success "expected conflict markers" "git diff expect out" +test_expect_success "expected conflict markers" "test_cmp expect out" test_expect_success 'binary files cannot be merged' ' ! git merge-file -p orig.txt ../test4012.png new1.txt 2> merge.err && diff --git a/t/t6024-recursive-merge.sh b/t/t6024-recursive-merge.sh index 23d24d3feb..6a6a13002d 100755 --- a/t/t6024-recursive-merge.sh +++ b/t/t6024-recursive-merge.sh @@ -70,7 +70,7 @@ G >>>>>>> G:a1 EOF -test_expect_success "result contains a conflict" "git diff expect a1" +test_expect_success "result contains a conflict" "test_cmp expect a1" git ls-files --stage > out cat > expect << EOF @@ -79,7 +79,7 @@ cat > expect << EOF 100644 fd7923529855d0b274795ae3349c5e0438333979 3 a1 EOF -test_expect_success "virtual trees were processed" "git diff expect out" +test_expect_success "virtual trees were processed" "test_cmp expect out" test_expect_success 'refuse to merge binary files' ' git reset --hard && diff --git a/t/t6029-merge-subtree.sh b/t/t6029-merge-subtree.sh index 43f5459c35..5bbfa44e8d 100755 --- a/t/t6029-merge-subtree.sh +++ b/t/t6029-merge-subtree.sh @@ -57,7 +57,7 @@ test_expect_success 'initial merge' ' echo "100644 $o1 0 git-gui/git-gui.sh" echo "100644 $o2 0 git.c" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_expect_success 'merge update' ' @@ -73,7 +73,7 @@ test_expect_success 'merge update' ' echo "100644 $o3 0 git-gui/git-gui.sh" echo "100644 $o2 0 git.c" ) >expected && - git diff -u expected actual + test_cmp expected actual ' test_done diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh index 933f567983..0626544823 100755 --- a/t/t6030-bisect-porcelain.sh +++ b/t/t6030-bisect-porcelain.sh @@ -126,6 +126,47 @@ test_expect_success 'bisect reset removes packed refs' ' test -z "$(git for-each-ref "refs/heads/bisect")" ' +test_expect_success 'bisect start: back in good branch' ' + git branch > branch.output && + grep "* other" branch.output > /dev/null && + git bisect start $HASH4 $HASH1 -- && + git bisect good && + git bisect start $HASH4 $HASH1 -- && + git bisect bad && + git bisect reset && + git branch > branch.output && + grep "* other" branch.output > /dev/null +' + +test_expect_success 'bisect start: no ".git/BISECT_START" if junk rev' ' + git bisect start $HASH4 $HASH1 -- && + git bisect good && + test_must_fail git bisect start $HASH4 foo -- && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_must_fail test -e .git/BISECT_START +' + +test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' ' + git bisect start $HASH4 $HASH1 -- && + git bisect good && + test_must_fail git bisect start $HASH1 $HASH4 -- && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_must_fail test -e .git/BISECT_START +' + +test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' ' + echo "temp stuff" > hello && + test_must_fail git bisect start $HASH4 $HASH1 -- && + git branch && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_must_fail test -e .git/BISECT_START && + test -z "$(git for-each-ref "refs/bisect/*")" && + git checkout HEAD hello +' + # $HASH1 is good, $HASH4 is bad, we skip $HASH3 # but $HASH2 is bad, # so we should find $HASH2 as the first bad commit @@ -281,25 +322,6 @@ test_expect_success 'bisect starting with a detached HEAD' ' test $HEAD = $(cat .git/BISECT_START) && git bisect reset && test $HEAD = $(git rev-parse --verify HEAD) - -' - -test_expect_success 'bisect refuses to start if branch bisect exists' ' - git bisect reset && - git branch bisect && - test_must_fail git bisect start && - git branch -d bisect && - git checkout -b bisect && - test_must_fail git bisect start && - git checkout master && - git branch -d bisect -' - -test_expect_success 'bisect refuses to start if branch new-bisect exists' ' - git bisect reset && - git branch new-bisect && - test_must_fail git bisect start && - git branch -d new-bisect ' test_expect_success 'bisect errors out if bad and good are mistaken' ' @@ -309,6 +331,25 @@ test_expect_success 'bisect errors out if bad and good are mistaken' ' git bisect reset ' +test_expect_success 'bisect does not create a "bisect" branch' ' + git bisect reset && + git bisect start $HASH7 $HASH1 && + git branch bisect && + rev_hash4=$(git rev-parse --verify HEAD) && + test "$rev_hash4" = "$HASH4" && + git branch -D bisect && + git bisect good && + git branch bisect && + rev_hash6=$(git rev-parse --verify HEAD) && + test "$rev_hash6" = "$HASH6" && + git bisect good > my_bisect_log.txt && + grep "$HASH7 is first bad commit" my_bisect_log.txt && + git bisect reset && + rev_hash6=$(git rev-parse --verify bisect) && + test "$rev_hash6" = "$HASH6" && + git branch -D bisect +' + # # test_done diff --git a/t/t6031-merge-recursive.sh b/t/t6031-merge-recursive.sh index c8310aee4f..8073e0c3ef 100755 --- a/t/t6031-merge-recursive.sh +++ b/t/t6031-merge-recursive.sh @@ -3,6 +3,9 @@ test_description='merge-recursive: handle file mode' . ./test-lib.sh +# Note that we follow "chmod +x F" with "update-index --chmod=+x F" to +# help filesystems that do not have the executable bit. + test_expect_success 'mode change in one branch: keep changed version' ' : >file1 && git add file1 && @@ -13,7 +16,7 @@ test_expect_success 'mode change in one branch: keep changed version' ' git commit -m a && git checkout -b b1 master && chmod +x file1 && - git add file1 && + git update-index --chmod=+x file1 && git commit -m b1 && git checkout a1 && git merge-recursive master -- a1 b1 && @@ -26,7 +29,7 @@ test_expect_success 'mode change in both branches: expect conflict' ' : >file2 && H=$(git hash-object file2) && chmod +x file2 && - git add file2 && + git update-index --add --chmod=+x file2 && git commit -m a2 && git checkout -b b2 master && : >file2 && diff --git a/t/t6033-merge-crlf.sh b/t/t6033-merge-crlf.sh new file mode 100755 index 0000000000..75d9602de4 --- /dev/null +++ b/t/t6033-merge-crlf.sh @@ -0,0 +1,52 @@ +#!/bin/sh + +append_cr () { + sed -e 's/$/Q/' | tr Q '\015' +} + +remove_cr () { + tr '\015' Q | sed -e 's/Q$//' +} + +test_description='merge conflict in crlf repo + + b---M + / / + initial---a + +' + +. ./test-lib.sh + +test_expect_success setup ' + git config core.autocrlf true && + echo foo | append_cr >file && + git add file && + git commit -m "Initial" && + git tag initial && + git branch side && + echo line from a | append_cr >file && + git commit -m "add line from a" file && + git tag a && + git checkout side && + echo line from b | append_cr >file && + git commit -m "add line from b" file && + git tag b && + git checkout master +' + +test_expect_success 'Check "ours" is CRLF' ' + git reset --hard initial && + git merge side -s ours && + cat file | remove_cr | append_cr >file.temp && + test_cmp file file.temp +' + +test_expect_success 'Check that conflict file is CRLF' ' + git reset --hard a && + test_must_fail git merge side && + cat file | remove_cr | append_cr >file.temp && + test_cmp file file.temp +' + +test_done diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh index 56bbd8519d..2fb672c3b4 100755 --- a/t/t6120-describe.sh +++ b/t/t6120-describe.sh @@ -108,7 +108,7 @@ warning: tag 'A' is really 'Q' here EOF check_describe A-* HEAD test_expect_success 'warning was displayed for Q' ' - git diff err.expect err.actual + test_cmp err.expect err.actual ' test_expect_success 'rename tag Q back to A' ' mv .git/refs/tags/Q .git/refs/tags/A @@ -117,4 +117,28 @@ test_expect_success 'rename tag Q back to A' ' test_expect_success 'pack tag refs' 'git pack-refs' check_describe A-* HEAD +test_expect_success 'set-up matching pattern tests' ' + git tag -a -m test-annotated test-annotated && + echo >>file && + test_tick && + git commit -a -m "one more" && + git tag test1-lightweight && + echo >>file && + test_tick && + git commit -a -m "yet another" && + git tag test2-lightweight && + echo >>file && + test_tick && + git commit -a -m "even more" + +' + +check_describe "test-annotated-*" --match="test-*" + +check_describe "test1-lightweight-*" --tags --match="test1-*" + +check_describe "test2-lightweight-*" --tags --match="test2-*" + +check_describe "test2-lightweight-*" --long --tags --match="test2-*" HEAD^ + test_done diff --git a/t/t6200-fmt-merge-msg.sh b/t/t6200-fmt-merge-msg.sh index c9bf6fdba3..bc74349416 100755 --- a/t/t6200-fmt-merge-msg.sh +++ b/t/t6200-fmt-merge-msg.sh @@ -79,7 +79,7 @@ test_expect_success 'merge-msg test #1' ' git fetch . left && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' cat >expected <<EOF @@ -92,7 +92,7 @@ test_expect_success 'merge-msg test #2' ' git fetch ../"$test" left && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' cat >expected <<\EOF @@ -117,7 +117,7 @@ test_expect_success 'merge-msg test #3-1' ' git fetch . left && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' test_expect_success 'merge-msg test #3-2' ' @@ -131,7 +131,7 @@ test_expect_success 'merge-msg test #3-2' ' git fetch . left && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' cat >expected <<\EOF @@ -163,7 +163,7 @@ test_expect_success 'merge-msg test #4-1' ' git fetch . left right && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' test_expect_success 'merge-msg test #4-2' ' @@ -177,7 +177,7 @@ test_expect_success 'merge-msg test #4-2' ' git fetch . left right && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' test_expect_success 'merge-msg test #5-1' ' @@ -191,7 +191,7 @@ test_expect_success 'merge-msg test #5-1' ' git fetch . left right && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' test_expect_success 'merge-msg test #5-2' ' @@ -205,7 +205,7 @@ test_expect_success 'merge-msg test #5-2' ' git fetch . left right && git fmt-merge-msg <.git/FETCH_HEAD >actual && - git diff actual expected + test_cmp expected actual ' test_done diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh index f46ec93c83..a3c8941c72 100755 --- a/t/t6300-for-each-ref.sh +++ b/t/t6300-for-each-ref.sh @@ -26,25 +26,78 @@ test_expect_success 'Create sample commit with known timestamp' ' git tag -a -m "Tagging at $datestamp" testtag ' -test_expect_success 'Check atom names are valid' ' - bad= - for token in \ - refname objecttype objectsize objectname tree parent \ - numparent object type author authorname authoremail \ - authordate committer committername committeremail \ - committerdate tag tagger taggername taggeremail \ - taggerdate creator creatordate subject body contents - do - git for-each-ref --format="$token=%($token)" refs/heads || { - bad=$token - break - } - done - test -z "$bad" +test_atom() { + case "$1" in + head) ref=refs/heads/master ;; + tag) ref=refs/tags/testtag ;; + esac + printf '%s\n' "$3" >expected + test_expect_${4:-success} "basic atom: $1 $2" " + git for-each-ref --format='%($2)' $ref >actual && + test_cmp expected actual + " +} + +test_atom head refname refs/heads/master +test_atom head objecttype commit +test_atom head objectsize 171 +test_atom head objectname 67a36f10722846e891fbada1ba48ed035de75581 +test_atom head tree 0e51c00fcb93dffc755546f27593d511e1bdb46f +test_atom head parent '' +test_atom head numparent 0 +test_atom head object '' +test_atom head type '' +test_atom head author 'A U Thor <author@example.com> 1151939924 +0200' +test_atom head authorname 'A U Thor' +test_atom head authoremail '<author@example.com>' +test_atom head authordate 'Mon Jul 3 17:18:44 2006 +0200' +test_atom head committer 'C O Mitter <committer@example.com> 1151939923 +0200' +test_atom head committername 'C O Mitter' +test_atom head committeremail '<committer@example.com>' +test_atom head committerdate 'Mon Jul 3 17:18:43 2006 +0200' +test_atom head tag '' +test_atom head tagger '' +test_atom head taggername '' +test_atom head taggeremail '' +test_atom head taggerdate '' +test_atom head creator 'C O Mitter <committer@example.com> 1151939923 +0200' +test_atom head creatordate 'Mon Jul 3 17:18:43 2006 +0200' +test_atom head subject 'Initial' +test_atom head body '' +test_atom head contents 'Initial +' + +test_atom tag refname refs/tags/testtag +test_atom tag objecttype tag +test_atom tag objectsize 154 +test_atom tag objectname 98b46b1d36e5b07909de1b3886224e3e81e87322 +test_atom tag tree '' +test_atom tag parent '' +test_atom tag numparent '' +test_atom tag object '67a36f10722846e891fbada1ba48ed035de75581' +test_atom tag type 'commit' +test_atom tag author '' +test_atom tag authorname '' +test_atom tag authoremail '' +test_atom tag authordate '' +test_atom tag committer '' +test_atom tag committername '' +test_atom tag committeremail '' +test_atom tag committerdate '' +test_atom tag tag 'testtag' +test_atom tag tagger 'C O Mitter <committer@example.com> 1151939925 +0200' +test_atom tag taggername 'C O Mitter' +test_atom tag taggeremail '<committer@example.com>' +test_atom tag taggerdate 'Mon Jul 3 17:18:45 2006 +0200' +test_atom tag creator 'C O Mitter <committer@example.com> 1151939925 +0200' +test_atom tag creatordate 'Mon Jul 3 17:18:45 2006 +0200' +test_atom tag subject 'Tagging at 1151939927' +test_atom tag body '' +test_atom tag contents 'Tagging at 1151939927 ' test_expect_success 'Check invalid atoms names are errors' ' - ! git-for-each-ref --format="%(INVALID)" refs/heads + test_must_fail git-for-each-ref --format="%(INVALID)" refs/heads ' test_expect_success 'Check format specifiers are ignored in naming date atoms' ' @@ -64,7 +117,7 @@ test_expect_success 'Check valid format specifiers for date fields' ' ' test_expect_success 'Check invalid format specifiers are errors' ' - ! git-for-each-ref --format="%(authordate:INVALID)" refs/heads + test_must_fail git-for-each-ref --format="%(authordate:INVALID)" refs/heads ' cat >expected <<\EOF @@ -75,14 +128,14 @@ EOF test_expect_success 'Check unformatted date fields output' ' (git for-each-ref --shell --format="%(refname) %(committerdate) %(authordate)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' test_expect_success 'Check format "default" formatted date fields output' ' f=default && (git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' # Don't know how to do relative check because I can't know when this script @@ -109,7 +162,7 @@ test_expect_success 'Check format "short" date fields output' ' f=short && (git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -121,7 +174,7 @@ test_expect_success 'Check format "local" date fields output' ' f=local && (git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -133,7 +186,7 @@ test_expect_success 'Check format "iso8601" date fields output' ' f=iso8601 && (git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -145,7 +198,7 @@ test_expect_success 'Check format "rfc2822" date fields output' ' f=rfc2822 && (git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads && git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -155,7 +208,7 @@ EOF test_expect_success 'Verify ascending sort' ' git-for-each-ref --format="%(refname)" --sort=refname >actual && - git diff expected actual + test_cmp expected actual ' @@ -166,7 +219,7 @@ EOF test_expect_success 'Verify descending sort' ' git-for-each-ref --format="%(refname)" --sort=-refname >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -176,17 +229,17 @@ EOF test_expect_success 'Quoting style: shell' ' git for-each-ref --shell --format="%(refname)" >actual && - git diff expected actual + test_cmp expected actual ' test_expect_success 'Quoting style: perl' ' git for-each-ref --perl --format="%(refname)" >actual && - git diff expected actual + test_cmp expected actual ' test_expect_success 'Quoting style: python' ' git for-each-ref --python --format="%(refname)" >actual && - git diff expected actual + test_cmp expected actual ' cat >expected <<\EOF @@ -196,7 +249,7 @@ EOF test_expect_success 'Quoting style: tcl' ' git for-each-ref --tcl --format="%(refname)" >actual && - git diff expected actual + test_cmp expected actual ' for i in "--perl --shell" "-s --python" "--python --tcl" "--tcl --perl"; do diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh index 1639c7aa96..e26f726930 100755 --- a/t/t7003-filter-branch.sh +++ b/t/t7003-filter-branch.sh @@ -97,7 +97,7 @@ test_expect_success 'subdirectory filter result looks okay' ' test_must_fail git show sub:subdir ' -test_expect_success 'setup and filter history that requires --full-history' ' +test_expect_success 'more setup' ' git checkout master && mkdir subdir && echo A > subdir/new && @@ -107,16 +107,7 @@ test_expect_success 'setup and filter history that requires --full-history' ' git rm a && test_tick && git commit -m "again subdir on master" && - git merge branch && - git branch sub-master && - git-filter-branch -f --subdirectory-filter subdir sub-master -' - -test_expect_success 'subdirectory filter result looks okay' ' - test 3 = $(git rev-list -1 --parents sub-master | wc -w) && - git show sub-master^:new && - git show sub-master^2:new && - test_must_fail git show sub:subdir + git merge branch ' test_expect_success 'use index-filter to move into a subdirectory' ' @@ -224,7 +215,7 @@ test_expect_success 'Tag name filtering retains tag message' ' git cat-file tag T > expect && git filter-branch -f --tag-name-filter cat && git cat-file tag T > actual && - git diff expect actual + test_cmp expect actual ' faux_gpg_tag='object XXXXXX @@ -248,7 +239,7 @@ test_expect_success 'Tag name filtering strips gpg signature' ' echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect && git filter-branch -f --tag-name-filter cat && git cat-file tag S > actual && - git diff expect actual + test_cmp expect actual ' test_done diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index 2dcee7ccc5..241c70dc66 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -116,9 +116,9 @@ mytag EOF test_expect_success \ 'trying to delete tags without params should succeed and do nothing' ' - git tag -l > actual && git diff expect actual && + git tag -l > actual && test_cmp expect actual && git-tag -d && - git tag -l > actual && git diff expect actual + git tag -l > actual && test_cmp expect actual ' test_expect_success \ @@ -173,9 +173,9 @@ test_expect_success 'listing all tags should print them ordered' ' git tag v1.0 && git tag t210 && git tag -l > actual && - git diff expect actual && + test_cmp expect actual && git tag > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -186,7 +186,7 @@ EOF test_expect_success \ 'listing tags with substring as pattern must print those matching' ' git-tag -l "*a*" > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -196,7 +196,7 @@ EOF test_expect_success \ 'listing tags with a suffix as pattern must print those matching' ' git-tag -l "*.1" > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -206,7 +206,7 @@ EOF test_expect_success \ 'listing tags with a prefix as pattern must print those matching' ' git-tag -l "t21*" > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -215,7 +215,7 @@ EOF test_expect_success \ 'listing tags using a name as pattern must print that one matching' ' git-tag -l a1 > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -224,7 +224,7 @@ EOF test_expect_success \ 'listing tags using a name as pattern must print that one matching' ' git-tag -l v1.0 > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -234,14 +234,14 @@ EOF test_expect_success \ 'listing tags with ? in the pattern should print those matching' ' git-tag -l "v1.?.?" > actual && - git diff expect actual + test_cmp expect actual ' >expect test_expect_success \ 'listing tags using v.* should print nothing because none have v.' ' git-tag -l "v.*" > actual && - git diff expect actual + test_cmp expect actual ' cat >expect <<EOF @@ -253,7 +253,7 @@ EOF test_expect_success \ 'listing tags using v* should print only those having v' ' git-tag -l "v*" > actual && - git diff expect actual + test_cmp expect actual ' # creating and verifying lightweight tags: @@ -302,7 +302,7 @@ test_expect_success \ 'creating an annotated tag with -m message should succeed' ' git-tag -m "A message" annotated-tag && get_tag_msg annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' cat >msgfile <<EOF @@ -315,7 +315,7 @@ test_expect_success \ 'creating an annotated tag with -F messagefile should succeed' ' git-tag -F msgfile file-annotated-tag && get_tag_msg file-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' cat >inputmsg <<EOF @@ -327,7 +327,7 @@ cat inputmsg >>expect test_expect_success 'creating an annotated tag with -F - should succeed' ' git-tag -F - stdin-annotated-tag <inputmsg && get_tag_msg stdin-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -358,7 +358,7 @@ test_expect_success \ 'creating a tag with an empty -m message should succeed' ' git-tag -m "" empty-annotated-tag && get_tag_msg empty-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' >emptyfile @@ -367,7 +367,7 @@ test_expect_success \ 'creating a tag with an empty -F messagefile should succeed' ' git-tag -F emptyfile emptyfile-annotated-tag && get_tag_msg emptyfile-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' printf '\n\n \n\t\nLeading blank lines\n' >blanksfile @@ -388,7 +388,7 @@ test_expect_success \ 'extra blanks in the message for an annotated tag should be removed' ' git-tag -F blanksfile blanks-annotated-tag && get_tag_msg blanks-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header blank-annotated-tag $commit commit $time >expect @@ -396,7 +396,7 @@ test_expect_success \ 'creating a tag with blank -m message with spaces should succeed' ' git-tag -m " " blank-annotated-tag && get_tag_msg blank-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' echo ' ' >blankfile @@ -407,7 +407,7 @@ test_expect_success \ 'creating a tag with blank -F messagefile with spaces should succeed' ' git-tag -F blankfile blankfile-annotated-tag && get_tag_msg blankfile-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' printf ' ' >blanknonlfile @@ -416,7 +416,7 @@ test_expect_success \ 'creating a tag with -F file of spaces and no newline should succeed' ' git-tag -F blanknonlfile blanknonlfile-annotated-tag && get_tag_msg blanknonlfile-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' # messages with commented lines: @@ -451,7 +451,7 @@ test_expect_success \ 'creating a tag using a -F messagefile with #comments should succeed' ' git-tag -F commentsfile comments-annotated-tag && get_tag_msg comments-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header comment-annotated-tag $commit commit $time >expect @@ -459,7 +459,7 @@ test_expect_success \ 'creating a tag with a #comment in the -m message should succeed' ' git-tag -m "#comment" comment-annotated-tag && get_tag_msg comment-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' echo '#comment' >commentfile @@ -470,7 +470,7 @@ test_expect_success \ 'creating a tag with #comments in the -F messagefile should succeed' ' git-tag -F commentfile commentfile-annotated-tag && get_tag_msg commentfile-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' printf '#comment' >commentnonlfile @@ -479,7 +479,7 @@ test_expect_success \ 'creating a tag with a file of #comment and no newline should succeed' ' git-tag -F commentnonlfile commentnonlfile-annotated-tag && get_tag_msg commentnonlfile-annotated-tag >actual && - git diff expect actual + test_cmp expect actual ' # listing messages for annotated non-signed tags: @@ -490,23 +490,23 @@ test_expect_success \ echo "tag-one-line" >expect && git-tag -l | grep "^tag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^tag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l tag-one-line >actual && - git diff expect actual && + test_cmp expect actual && echo "tag-one-line A msg" >expect && git-tag -n1 -l | grep "^tag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^tag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l tag-one-line >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l tag-one-line >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n999 -l tag-one-line >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -515,23 +515,23 @@ test_expect_success \ echo "tag-zero-lines" >expect && git-tag -l | grep "^tag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^tag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l tag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && echo "tag-zero-lines " >expect && git-tag -n1 -l | grep "^tag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^tag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l tag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l tag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n999 -l tag-zero-lines >actual && - git diff expect actual + test_cmp expect actual ' echo 'tag line one' >annotagmsg @@ -543,39 +543,39 @@ test_expect_success \ echo "tag-lines" >expect && git-tag -l | grep "^tag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^tag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l tag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo "tag-lines tag line one" >expect && git-tag -n1 -l | grep "^tag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^tag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l tag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo " tag line two" >>expect && git-tag -n2 -l | grep "^ *tag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l tag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo " tag line three" >>expect && git-tag -n3 -l | grep "^ *tag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n3 -l tag-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n4 -l | grep "^ *tag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n4 -l tag-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n99 -l | grep "^ *tag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n99 -l tag-lines >actual && - git diff expect actual + test_cmp expect actual ' # subsequent tests require gpg; check if it is available @@ -635,7 +635,7 @@ echo '-----BEGIN PGP SIGNATURE-----' >>expect test_expect_success 'creating a signed tag with -m message should succeed' ' git-tag -s -m "A signed tag message" signed-tag && get_tag_msg signed-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header u-signed-tag $commit commit $time >expect @@ -645,7 +645,7 @@ test_expect_success 'sign with a given key id' ' git tag -u committer@example.com -m "Another message" u-signed-tag && get_tag_msg u-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' @@ -675,7 +675,7 @@ echo '-----BEGIN PGP SIGNATURE-----' >>expect test_expect_success '-u implies signed tag' ' GIT_EDITOR=./fakeeditor git-tag -u CDDE430D implied-sign && get_tag_msg implied-sign >actual && - git diff expect actual + test_cmp expect actual ' cat >sigmsgfile <<EOF @@ -689,7 +689,7 @@ test_expect_success \ 'creating a signed tag with -F messagefile should succeed' ' git-tag -s -F sigmsgfile file-signed-tag && get_tag_msg file-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' cat >siginputmsg <<EOF @@ -702,7 +702,7 @@ echo '-----BEGIN PGP SIGNATURE-----' >>expect test_expect_success 'creating a signed tag with -F - should succeed' ' git-tag -s -F - stdin-signed-tag <siginputmsg && get_tag_msg stdin-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header implied-annotate $commit commit $time >expect @@ -711,7 +711,7 @@ echo '-----BEGIN PGP SIGNATURE-----' >>expect test_expect_success '-s implies annotated tag' ' GIT_EDITOR=./fakeeditor git-tag -s implied-annotate && get_tag_msg implied-annotate >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -752,7 +752,7 @@ test_expect_success \ 'creating a signed tag with an empty -m message should succeed' ' git-tag -s -m "" empty-signed-tag && get_tag_msg empty-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v empty-signed-tag ' @@ -763,7 +763,7 @@ test_expect_success \ 'creating a signed tag with an empty -F messagefile should succeed' ' git-tag -s -F sigemptyfile emptyfile-signed-tag && get_tag_msg emptyfile-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v emptyfile-signed-tag ' @@ -786,7 +786,7 @@ test_expect_success \ 'extra blanks in the message for a signed tag should be removed' ' git-tag -s -F sigblanksfile blanks-signed-tag && get_tag_msg blanks-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v blanks-signed-tag ' @@ -796,7 +796,7 @@ test_expect_success \ 'creating a signed tag with a blank -m message should succeed' ' git-tag -s -m " " blank-signed-tag && get_tag_msg blank-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v blank-signed-tag ' @@ -809,7 +809,7 @@ test_expect_success \ 'creating a signed tag with blank -F file with spaces should succeed' ' git-tag -s -F sigblankfile blankfile-signed-tag && get_tag_msg blankfile-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v blankfile-signed-tag ' @@ -820,7 +820,7 @@ test_expect_success \ 'creating a signed tag with spaces and no newline should succeed' ' git-tag -s -F sigblanknonlfile blanknonlfile-signed-tag && get_tag_msg blanknonlfile-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v signed-tag ' @@ -857,7 +857,7 @@ test_expect_success \ 'creating a signed tag with a -F file with #comments should succeed' ' git-tag -s -F sigcommentsfile comments-signed-tag && get_tag_msg comments-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v comments-signed-tag ' @@ -867,7 +867,7 @@ test_expect_success \ 'creating a signed tag with #commented -m message should succeed' ' git-tag -s -m "#comment" comment-signed-tag && get_tag_msg comment-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v comment-signed-tag ' @@ -880,7 +880,7 @@ test_expect_success \ 'creating a signed tag with #commented -F messagefile should succeed' ' git-tag -s -F sigcommentfile commentfile-signed-tag && get_tag_msg commentfile-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v commentfile-signed-tag ' @@ -891,7 +891,7 @@ test_expect_success \ 'creating a signed tag with a #comment and no newline should succeed' ' git-tag -s -F sigcommentnonlfile commentnonlfile-signed-tag && get_tag_msg commentnonlfile-signed-tag >actual && - git diff expect actual && + test_cmp expect actual && git-tag -v commentnonlfile-signed-tag ' @@ -903,23 +903,23 @@ test_expect_success \ echo "stag-one-line" >expect && git-tag -l | grep "^stag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^stag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l stag-one-line >actual && - git diff expect actual && + test_cmp expect actual && echo "stag-one-line A message line signed" >expect && git-tag -n1 -l | grep "^stag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^stag-one-line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l stag-one-line >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l stag-one-line >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n999 -l stag-one-line >actual && - git diff expect actual + test_cmp expect actual ' test_expect_success \ @@ -928,23 +928,23 @@ test_expect_success \ echo "stag-zero-lines" >expect && git-tag -l | grep "^stag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^stag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l stag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && echo "stag-zero-lines " >expect && git-tag -n1 -l | grep "^stag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^stag-zero-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l stag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l stag-zero-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n999 -l stag-zero-lines >actual && - git diff expect actual + test_cmp expect actual ' echo 'stag line one' >sigtagmsg @@ -956,39 +956,39 @@ test_expect_success \ echo "stag-lines" >expect && git-tag -l | grep "^stag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l | grep "^stag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n0 -l stag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo "stag-lines stag line one" >expect && git-tag -n1 -l | grep "^stag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n -l | grep "^stag-lines" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n1 -l stag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo " stag line two" >>expect && git-tag -n2 -l | grep "^ *stag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n2 -l stag-lines >actual && - git diff expect actual && + test_cmp expect actual && echo " stag line three" >>expect && git-tag -n3 -l | grep "^ *stag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n3 -l stag-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n4 -l | grep "^ *stag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n4 -l stag-lines >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n99 -l | grep "^ *stag.line" >actual && - git diff expect actual && + test_cmp expect actual && git-tag -n99 -l stag-lines >actual && - git diff expect actual + test_cmp expect actual ' # tags pointing to objects different from commits: @@ -1004,7 +1004,7 @@ test_expect_success \ 'creating a signed tag pointing to a tree should succeed' ' git-tag -s -m "A message for a tree" tree-signed-tag HEAD^{tree} && get_tag_msg tree-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header blob-signed-tag $blob blob $time >expect @@ -1014,7 +1014,7 @@ test_expect_success \ 'creating a signed tag pointing to a blob should succeed' ' git-tag -s -m "A message for a blob" blob-signed-tag HEAD:foo && get_tag_msg blob-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' get_tag_header tag-signed-tag $tag tag $time >expect @@ -1024,7 +1024,7 @@ test_expect_success \ 'creating a signed tag pointing to another tag should succeed' ' git-tag -s -m "A message for another tag" tag-signed-tag signed-tag && get_tag_msg tag-signed-tag >actual && - git diff expect actual + test_cmp expect actual ' # try to sign with bad user.signingkey @@ -1064,7 +1064,7 @@ test_expect_success \ git tag -a -m "An annotation to be reused" reuse && GIT_EDITOR=true git tag -f -a reuse && get_tag_msg reuse >actual && - git diff expect actual + test_cmp expect actual ' test_done diff --git a/t/t7102-reset.sh b/t/t7102-reset.sh index e5c9f30c73..96d15083fb 100755 --- a/t/t7102-reset.sh +++ b/t/t7102-reset.sh @@ -34,13 +34,13 @@ test_expect_success 'creating initial files and commits' ' check_changes () { test "$(git rev-parse HEAD)" = "$1" && - git diff | git diff .diff_expect - && - git diff --cached | git diff .cached_expect - && + git diff | test_cmp .diff_expect - && + git diff --cached | test_cmp .cached_expect - && for FILE in * do echo $FILE':' cat $FILE || return - done | git diff .cat_expect - + done | test_cmp .cat_expect - } >.diff_expect @@ -390,9 +390,9 @@ test_expect_success 'test --mixed <paths>' ' git add file1 file3 file4 && ! git reset HEAD -- file1 file2 file3 && git diff > output && - git diff output expect && + test_cmp output expect && git diff --cached > output && - git diff output cached_expect + test_cmp output cached_expect ' test_expect_success 'test resetting the index at give paths' ' @@ -425,7 +425,54 @@ EOF test_expect_success '--mixed refreshes the index' ' echo 123 >> file2 && git reset --mixed HEAD > output && - git diff --exit-code expect output + test_cmp expect output +' + +test_expect_success 'disambiguation (1)' ' + + git reset --hard && + >secondfile && + git add secondfile && + test_must_fail git reset secondfile && + test -z "$(git diff --cached --name-only)" && + test -f secondfile && + test ! -s secondfile + +' + +test_expect_success 'disambiguation (2)' ' + + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + test_must_fail git reset secondfile && + test -n "$(git diff --cached --name-only -- secondfile)" && + test ! -f secondfile + +' + +test_expect_success 'disambiguation (3)' ' + + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + test_must_fail git reset HEAD secondfile && + test -z "$(git diff --cached --name-only)" && + test ! -f secondfile + +' + +test_expect_success 'disambiguation (4)' ' + + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + test_must_fail git reset -- secondfile && + test -z "$(git diff --cached --name-only)" && + test ! -f secondfile ' test_done diff --git a/t/t7402-submodule-rebase.sh b/t/t7402-submodule-rebase.sh new file mode 100755 index 0000000000..5becb3ec54 --- /dev/null +++ b/t/t7402-submodule-rebase.sh @@ -0,0 +1,92 @@ +#!/bin/sh +# +# Copyright (c) 2008 Johannes Schindelin +# + +test_description='Test rebasing and stashing with dirty submodules' + +. ./test-lib.sh + +test_expect_success setup ' + + echo file > file && + git add file && + test_tick && + git commit -m initial && + git clone . submodule && + git add submodule && + test_tick && + git commit -m submodule && + echo second line >> file && + (cd submodule && git pull) && + test_tick && + git commit -m file-and-submodule -a + +' + +test_expect_success 'rebase with a dirty submodule' ' + + (cd submodule && + echo 3rd line >> file && + test_tick && + git commit -m fork -a) && + echo unrelated >> file2 && + git add file2 && + test_tick && + git commit -m unrelated file2 && + echo other line >> file && + test_tick && + git commit -m update file && + CURRENT=$(cd submodule && git rev-parse HEAD) && + EXPECTED=$(git rev-parse HEAD~2:submodule) && + GIT_TRACE=1 git rebase --onto HEAD~2 HEAD^ && + STORED=$(git rev-parse HEAD:submodule) && + test $EXPECTED = $STORED && + test $CURRENT = $(cd submodule && git rev-parse HEAD) + +' + +cat > fake-editor.sh << \EOF +#!/bin/sh +echo $EDITOR_TEXT +EOF +chmod a+x fake-editor.sh + +test_expect_success 'interactive rebase with a dirty submodule' ' + + test submodule = $(git diff --name-only) && + HEAD=$(git rev-parse HEAD) && + GIT_EDITOR="\"$(pwd)/fake-editor.sh\"" EDITOR_TEXT="pick $HEAD" \ + git rebase -i HEAD^ && + test submodule = $(git diff --name-only) + +' + +test_expect_success 'rebase with dirty file and submodule fails' ' + + echo yet another line >> file && + test_tick && + git commit -m next file && + echo rewrite > file && + test_tick && + git commit -m rewrite file && + echo dirty > file && + ! git rebase --onto HEAD~2 HEAD^ + +' + +test_expect_success 'stash with a dirty submodule' ' + + echo new > file && + CURRENT=$(cd submodule && git rev-parse HEAD) && + git stash && + test new != $(cat file) && + test submodule = $(git diff --name-only) && + test $CURRENT = $(cd submodule && git rev-parse HEAD) && + git stash apply && + test new = $(cat file) && + test $CURRENT = $(cd submodule && git rev-parse HEAD) + +' + +test_done diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh index 3531a992a9..c25eff9e46 100755 --- a/t/t7502-commit.sh +++ b/t/t7502-commit.sh @@ -171,13 +171,16 @@ sed '$d' < expect.tmp > expect rm -f expect.tmp echo "# Committer: #" >> expect -unset GIT_COMMITTER_EMAIL -unset GIT_COMMITTER_NAME test_expect_success 'committer is automatic' ' echo >>negative && - git commit -e -m "sample" + ( + unset GIT_COMMITTER_EMAIL + unset GIT_COMMITTER_NAME + # must fail because there is no change + test_must_fail git commit -e -m "sample" + ) && head -n 8 .git/COMMIT_EDITMSG | \ sed "s/^# Committer: .*/# Committer:/" >actual && test_cmp expect actual @@ -193,23 +196,56 @@ chmod +x .git/FAKE_EDITOR test_expect_success 'do not fire editor in the presence of conflicts' ' - git clean - echo f>g - git add g - git commit -myes - git branch second - echo master>g - echo g>h - git add g h - git commit -mmaster - git checkout second - echo second>g - git add g - git commit -msecond - git cherry-pick -n master - echo "editor not started" > .git/result - GIT_EDITOR=`pwd`/.git/FAKE_EDITOR git commit && exit 1 # should fail - test "`cat .git/result`" = "editor not started" + git clean -f && + echo f >g && + git add g && + git commit -m "add g" && + git branch second && + echo master >g && + echo g >h && + git add g h && + git commit -m "modify g and add h" && + git checkout second && + echo second >g && + git add g && + git commit -m second && + # Must fail due to conflict + test_must_fail git cherry-pick -n master && + echo "editor not started" >.git/result && + ( + GIT_EDITOR="$(pwd)/.git/FAKE_EDITOR" && + export GIT_EDITOR && + test_must_fail git commit + ) && + test "$(cat .git/result)" = "editor not started" +' + +pwd=`pwd` +cat >.git/FAKE_EDITOR <<EOF +#! $SHELL_PATH +# kill -TERM command added below. +EOF + +test_expect_success 'a SIGTERM should break locks' ' + echo >>negative && + "$SHELL_PATH" -c '\'' + echo kill -TERM $$ >> .git/FAKE_EDITOR + GIT_EDITOR=.git/FAKE_EDITOR exec git commit -a'\'' && exit 1 # should fail + ! test -f .git/index.lock +' + +rm -f .git/MERGE_MSG .git/COMMIT_EDITMSG +git reset -q --hard + +test_expect_success 'Hand committing of a redundant merge removes dups' ' + + git rev-parse second master >expect && + test_must_fail git merge second master && + git checkout master g && + EDITOR=: git commit -a && + git cat-file commit HEAD | sed -n -e "s/^parent //p" -e "/^$/q" >actual && + test_cmp expect actual + ' test_done diff --git a/t/t7502-status.sh b/t/t7502-status.sh index e4bfcaece0..38a48b57c7 100755 --- a/t/t7502-status.sh +++ b/t/t7502-status.sh @@ -63,8 +63,106 @@ EOF test_expect_success 'status (2)' ' git status > output && - git diff expect output + test_cmp expect output + +' + +cat >expect <<EOF +# On branch master +# Changes to be committed: +# (use "git reset HEAD <file>..." to unstage) +# +# new file: dir2/added +# +# Changed but not updated: +# (use "git add <file>..." to update what will be committed) +# +# modified: dir1/modified +# +# Untracked files not listed (use -u option to show untracked files) +EOF +test_expect_success 'status -uno' ' + mkdir dir3 && + : > dir3/untracked1 && + : > dir3/untracked2 && + git status -uno >output && + test_cmp expect output +' + +test_expect_success 'status (status.showUntrackedFiles no)' ' + git config status.showuntrackedfiles no + git status >output && + test_cmp expect output +' + +cat >expect <<EOF +# On branch master +# Changes to be committed: +# (use "git reset HEAD <file>..." to unstage) +# +# new file: dir2/added +# +# Changed but not updated: +# (use "git add <file>..." to update what will be committed) +# +# modified: dir1/modified +# +# Untracked files: +# (use "git add <file>..." to include in what will be committed) +# +# dir1/untracked +# dir2/modified +# dir2/untracked +# dir3/ +# expect +# output +# untracked +EOF +test_expect_success 'status -unormal' ' + git status -unormal >output && + test_cmp expect output +' + +test_expect_success 'status (status.showUntrackedFiles normal)' ' + git config status.showuntrackedfiles normal + git status >output && + test_cmp expect output +' +cat >expect <<EOF +# On branch master +# Changes to be committed: +# (use "git reset HEAD <file>..." to unstage) +# +# new file: dir2/added +# +# Changed but not updated: +# (use "git add <file>..." to update what will be committed) +# +# modified: dir1/modified +# +# Untracked files: +# (use "git add <file>..." to include in what will be committed) +# +# dir1/untracked +# dir2/modified +# dir2/untracked +# dir3/untracked1 +# dir3/untracked2 +# expect +# output +# untracked +EOF +test_expect_success 'status -uall' ' + git status -uall >output && + test_cmp expect output +' +test_expect_success 'status (status.showUntrackedFiles all)' ' + git config status.showuntrackedfiles all + git status >output && + rm -rf dir3 && + git config --unset status.showuntrackedfiles && + test_cmp expect output ' cat > expect << \EOF @@ -93,7 +191,7 @@ EOF test_expect_success 'status with relative paths' ' (cd dir1 && git status) > output && - git diff expect output + test_cmp expect output ' @@ -124,7 +222,7 @@ test_expect_success 'status without relative paths' ' git config status.relativePaths false (cd dir1 && git status) > output && - git diff expect output + test_cmp expect output ' diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh index 6b0483f3e9..6b0483f3e9 100644..100755 --- a/t/t7610-mergetool.sh +++ b/t/t7610-mergetool.sh diff --git a/t/t7701-repack-unpack-unreachable.sh b/t/t7701-repack-unpack-unreachable.sh new file mode 100755 index 0000000000..6a5211f187 --- /dev/null +++ b/t/t7701-repack-unpack-unreachable.sh @@ -0,0 +1,47 @@ +#!/bin/sh + +test_description='git-repack works correctly' + +. ./test-lib.sh + +test_expect_success '-A option leaves unreachable objects unpacked' ' + echo content > file1 && + git add . && + git commit -m initial_commit && + # create a transient branch with unique content + git checkout -b transient_branch && + echo more content >> file1 && + # record the objects created in the database for file, commit, tree + fsha1=$(git hash-object file1) && + git commit -a -m more_content && + csha1=$(git rev-parse HEAD^{commit}) && + tsha1=$(git rev-parse HEAD^{tree}) && + git checkout master && + echo even more content >> file1 && + git commit -a -m even_more_content && + # delete the transient branch + git branch -D transient_branch && + # pack the repo + git repack -A -d -l && + # verify objects are packed in repository + test 3 = $(git verify-pack -v -- .git/objects/pack/*.idx | + grep -e "^$fsha1 " -e "^$csha1 " -e "^$tsha1 " | + sort | uniq | wc -l) && + git show $fsha1 && + git show $csha1 && + git show $tsha1 && + # now expire the reflog + sleep 1 && + git reflog expire --expire-unreachable=now --all && + # and repack + git repack -A -d -l && + # verify objects are retained unpacked + test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx | + grep -e "^$fsha1 " -e "^$csha1 " -e "^$tsha1 " | + sort | uniq | wc -l) && + git show $fsha1 && + git show $csha1 && + git show $tsha1 +' + +test_done diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh index 04baa61c04..3e4eb63f1c 100755 --- a/t/t9001-send-email.sh +++ b/t/t9001-send-email.sh @@ -233,4 +233,63 @@ test_expect_success 'sendemail.cc unset' ' test_cmp expected-show-all-headers actual-show-all-headers ' +test_expect_success '--compose adds MIME for utf8 body' ' + clean_fake_sendmail && + (echo "#!/bin/sh" && + echo "echo utf8 body: à éìöú >>\"\$1\"" + ) >fake-editor-utf8 && + chmod +x fake-editor-utf8 && + echo y | \ + GIT_EDITOR="\"$(pwd)/fake-editor-utf8\"" \ + GIT_SEND_EMAIL_NOTTY=1 \ + git send-email \ + --compose --subject foo \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/fake.sendmail" \ + $patches && + grep "^utf8 body" msgtxt1 && + grep "^Content-Type: text/plain; charset=utf-8" msgtxt1 +' + +test_expect_success '--compose respects user mime type' ' + clean_fake_sendmail && + (echo "#!/bin/sh" && + echo "(echo MIME-Version: 1.0" + echo " echo Content-Type: text/plain\\; charset=iso-8859-1" + echo " echo Content-Transfer-Encoding: 8bit" + echo " echo Subject: foo" + echo " echo " + echo " echo utf8 body: à éìöú) >\"\$1\"" + ) >fake-editor-utf8-mime && + chmod +x fake-editor-utf8-mime && + echo y | \ + GIT_EDITOR="\"$(pwd)/fake-editor-utf8-mime\"" \ + GIT_SEND_EMAIL_NOTTY=1 \ + git send-email \ + --compose --subject foo \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/fake.sendmail" \ + $patches && + grep "^utf8 body" msgtxt1 && + grep "^Content-Type: text/plain; charset=iso-8859-1" msgtxt1 && + ! grep "^Content-Type: text/plain; charset=utf-8" msgtxt1 +' + +test_expect_success '--compose adds MIME for utf8 subject' ' + clean_fake_sendmail && + echo y | \ + GIT_EDITOR="\"$(pwd)/fake-editor\"" \ + GIT_SEND_EMAIL_NOTTY=1 \ + git send-email \ + --compose --subject utf8-sübjëct \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/fake.sendmail" \ + $patches && + grep "^fake edit" msgtxt1 && + grep "^Subject: =?utf-8?q?utf8-s=C3=BCbj=C3=ABct?=" msgtxt1 +' + test_done diff --git a/t/t9100-git-svn-basic.sh b/t/t9100-git-svn-basic.sh index bdf29c1734..242cdf092a 100755 --- a/t/t9100-git-svn-basic.sh +++ b/t/t9100-git-svn-basic.sh @@ -169,7 +169,7 @@ test_expect_success "$name" ' svn up "$SVN_TREE" && test -f "$SVN_TREE"/exec-2.sh && test ! -L "$SVN_TREE"/exec-2.sh && - git diff help "$SVN_TREE"/exec-2.sh' + test_cmp help "$SVN_TREE"/exec-2.sh' if test "$have_utf8" = t then @@ -193,7 +193,7 @@ test_expect_success "$name" \ 'git-svn init "$svnrepo" && git-svn fetch && git rev-list --pretty=raw remotes/git-svn | grep ^tree | uniq > a && git rev-list --pretty=raw remotes/alt | grep ^tree | uniq > b && - git diff a b' + test_cmp a b' name='check imported tree checksums expected tree checksums' rm -f expected @@ -211,7 +211,7 @@ tree d667270a1f7b109f5eb3aaea21ede14b56bfdd6e tree 8f51f74cf0163afc9ad68a4b1537288c4558b5a4 EOF -test_expect_success "$name" "git diff a expected" +test_expect_success "$name" "test_cmp a expected" test_expect_success 'exit if remote refs are ambigious' " git config --add svn-remote.svn.fetch \ diff --git a/t/t9106-git-svn-dcommit-clobber-series.sh b/t/t9106-git-svn-dcommit-clobber-series.sh index a400dc7966..f8f4718c36 100755 --- a/t/t9106-git-svn-dcommit-clobber-series.sh +++ b/t/t9106-git-svn-dcommit-clobber-series.sh @@ -20,8 +20,8 @@ test_expect_success '(supposedly) non-conflicting change from SVN' ' test x"`sed -n -e 61p < file`" = x61 && svn co "$svnrepo" tmp && cd tmp && - perl -i -p -e "s/^58$/5588/" file && - perl -i -p -e "s/^61$/6611/" file && + perl -i.bak -p -e "s/^58$/5588/" file && + perl -i.bak -p -e "s/^61$/6611/" file && poke file && test x"`sed -n -e 58p < file`" = x5588 && test x"`sed -n -e 61p < file`" = x6611 && @@ -40,8 +40,8 @@ test_expect_success 'some unrelated changes to git' " test_expect_success 'change file but in unrelated area' " test x\"\`sed -n -e 4p < file\`\" = x4 && test x\"\`sed -n -e 7p < file\`\" = x7 && - perl -i -p -e 's/^4\$/4444/' file && - perl -i -p -e 's/^7\$/7777/' file && + perl -i.bak -p -e 's/^4\$/4444/' file && + perl -i.bak -p -e 's/^7\$/7777/' file && test x\"\`sed -n -e 4p < file\`\" = x4444 && test x\"\`sed -n -e 7p < file\`\" = x7777 && git commit -m '4 => 4444, 7 => 7777' file && diff --git a/t/t9122-git-svn-author.sh b/t/t9122-git-svn-author.sh new file mode 100755 index 0000000000..1190576a65 --- /dev/null +++ b/t/t9122-git-svn-author.sh @@ -0,0 +1,84 @@ +#!/bin/sh + +test_description='git svn authorship' +. ./lib-git-svn.sh + +test_expect_success 'setup svn repository' ' + svn checkout "$svnrepo" work.svn && + ( + cd work.svn && + echo >file + svn add file + svn commit -m "first commit" file + ) +' + +test_expect_success 'interact with it via git-svn' ' + mkdir work.git && + ( + cd work.git && + git svn init "$svnrepo" + git svn fetch && + + echo modification >file && + test_tick && + git commit -a -m second && + + test_tick && + git svn dcommit && + + echo "further modification" >file && + test_tick && + git commit -a -m third && + + test_tick && + git svn --add-author-from dcommit && + + echo "yet further modification" >file && + test_tick && + git commit -a -m fourth && + + test_tick && + git svn --add-author-from --use-log-author dcommit && + + git log && + + git show -s HEAD^^ >../actual.2 && + git show -s HEAD^ >../actual.3 && + git show -s HEAD >../actual.4 + + ) && + + # Make sure that --add-author-from without --use-log-author + # did not affect the authorship information + myself=$(grep "^Author: " actual.2) && + unaffected=$(grep "^Author: " actual.3) && + test "z$myself" = "z$unaffected" && + + # Make sure lack of --add-author-from did not add cruft + ! grep "^ From: A U Thor " actual.2 && + + # Make sure --add-author-from added cruft + grep "^ From: A U Thor " actual.3 && + grep "^ From: A U Thor " actual.4 && + + # Make sure --add-author-from with --use-log-author affected + # the authorship information + grep "^Author: A U Thor " actual.4 && + + # Make sure there are no commit messages with excess blank lines + test $(grep "^ " actual.2 | wc -l) = 3 && + test $(grep "^ " actual.3 | wc -l) = 5 && + test $(grep "^ " actual.4 | wc -l) = 5 && + + # Make sure there are no svn commit messages with excess blank lines + ( + cd work.svn && + svn up && + + test $(svn log -r2:2 | wc -l) = 5 && + test $(svn log -r4:4 | wc -l) = 7 + ) +' + +test_done diff --git a/t/t9123-git-svn-rebuild-with-rewriteroot.sh b/t/t9123-git-svn-rebuild-with-rewriteroot.sh new file mode 100755 index 0000000000..c18878fad1 --- /dev/null +++ b/t/t9123-git-svn-rebuild-with-rewriteroot.sh @@ -0,0 +1,32 @@ +#!/bin/sh +# +# Copyright (c) 2008 Jan Krüger +# + +test_description='git-svn respects rewriteRoot during rebuild' + +. ./lib-git-svn.sh + +mkdir import +cd import + touch foo + svn import -m 'import for git-svn' . "$svnrepo" >/dev/null +cd .. +rm -rf import + +test_expect_success 'init, fetch and checkout repository' ' + git svn init --rewrite-root=http://invalid.invalid/ "$svnrepo" && + git svn fetch + git checkout -b mybranch remotes/git-svn + ' + +test_expect_success 'remove rev_map' ' + rm "$GIT_SVN_DIR"/.rev_map.* + ' + +test_expect_success 'rebuild rev_map' ' + git svn rebase >/dev/null + ' + +test_done + diff --git a/t/t9200-git-cvsexportcommit.sh b/t/t9200-git-cvsexportcommit.sh index 42b144b1b3..b1dc32d056 100755 --- a/t/t9200-git-cvsexportcommit.sh +++ b/t/t9200-git-cvsexportcommit.sh @@ -297,4 +297,21 @@ test_expect_success 'commit a file with leading spaces in the name' ' ' +test_expect_success 'use the same checkout for Git and CVS' ' + + (mkdir shared && + cd shared && + unset GIT_DIR && + cvs co . && + git init && + git add " space" && + git commit -m "fake initial commit" && + echo Hello >> " space" && + git commit -m "Another change" " space" && + git cvsexportcommit -W -p -u -c HEAD && + grep Hello " space" && + git diff-files) + +' + test_done diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh index c4f4465dc6..5edf56f198 100755 --- a/t/t9300-fast-import.sh +++ b/t/t9300-fast-import.sh @@ -74,7 +74,7 @@ EOF test_expect_success \ 'A: verify commit' \ 'git cat-file commit master | sed 1d >actual && - git diff expect actual' + test_cmp expect actual' cat >expect <<EOF 100644 blob file2 @@ -84,22 +84,22 @@ EOF test_expect_success \ 'A: verify tree' \ 'git cat-file -p master^{tree} | sed "s/ [0-9a-f]* / /" >actual && - git diff expect actual' + test_cmp expect actual' echo "$file2_data" >expect test_expect_success \ 'A: verify file2' \ - 'git cat-file blob master:file2 >actual && git diff expect actual' + 'git cat-file blob master:file2 >actual && test_cmp expect actual' echo "$file3_data" >expect test_expect_success \ 'A: verify file3' \ - 'git cat-file blob master:file3 >actual && git diff expect actual' + 'git cat-file blob master:file3 >actual && test_cmp expect actual' printf "$file4_data" >expect test_expect_success \ 'A: verify file4' \ - 'git cat-file blob master:file4 >actual && git diff expect actual' + 'git cat-file blob master:file4 >actual && test_cmp expect actual' cat >expect <<EOF :2 `git rev-parse --verify master:file2` @@ -109,7 +109,7 @@ cat >expect <<EOF EOF test_expect_success \ 'A: verify marks output' \ - 'git diff expect marks.out' + 'test_cmp expect marks.out' test_expect_success \ 'A: verify marks import' \ @@ -117,7 +117,7 @@ test_expect_success \ --import-marks=marks.out \ --export-marks=marks.new \ </dev/null && - git diff -u expect marks.new' + test_cmp expect marks.new' test_tick cat >input <<INPUT_END @@ -259,7 +259,7 @@ EOF test_expect_success \ 'C: verify commit' \ 'git cat-file commit branch | sed 1d >actual && - git diff expect actual' + test_cmp expect actual' cat >expect <<EOF :000000 100755 0000000000000000000000000000000000000000 f1fb5da718392694d0076d677d6d0e364c79b0bc A file2/newf @@ -316,13 +316,13 @@ echo "$file5_data" >expect test_expect_success \ 'D: verify file5' \ 'git cat-file blob branch:newdir/interesting >actual && - git diff expect actual' + test_cmp expect actual' echo "$file6_data" >expect test_expect_success \ 'D: verify file6' \ 'git cat-file blob branch:newdir/exec.sh >actual && - git diff expect actual' + test_cmp expect actual' ### ### series E @@ -358,7 +358,7 @@ EOF test_expect_success \ 'E: verify commit' \ 'git cat-file commit branch | sed 1,2d >actual && - git diff expect actual' + test_cmp expect actual' ### ### series F @@ -411,7 +411,7 @@ EOF test_expect_success \ 'F: verify other commit' \ 'git cat-file commit other >actual && - git diff expect actual' + test_cmp expect actual' ### ### series G @@ -489,7 +489,7 @@ echo "$file5_data" >expect test_expect_success \ 'H: verify file' \ 'git cat-file blob H:h/e/l/lo >actual && - git diff expect actual' + test_cmp expect actual' ### ### series I @@ -515,7 +515,7 @@ EOF test_expect_success \ 'I: verify edge list' \ 'sed -e s/pack-.*pack/pack-.pack/ edges.list >actual && - git diff expect actual' + test_cmp expect actual' ### ### series J @@ -625,7 +625,7 @@ test_expect_success \ 'L: verify internal tree sorting' \ 'git-fast-import <input && git diff-tree --abbrev --raw L^ L >output && - git diff expect output' + test_cmp expect output' ### ### series M @@ -885,7 +885,7 @@ test_expect_success \ test 8 = `find .git/objects/pack -type f | wc -l` && test `git rev-parse refs/tags/O3-2nd` = `git rev-parse O3^` && git log --reverse --pretty=oneline O3 | sed s/^.*z// >actual && - git diff expect actual' + test_cmp expect actual' cat >input <<INPUT_END commit refs/heads/O4 @@ -916,6 +916,6 @@ test_expect_success \ 'O: progress outputs as requested by input' \ 'git-fast-import <input >actual && grep "progress " <input >expect && - git diff expect actual' + test_cmp expect actual' test_done diff --git a/t/t9301-fast-export.sh b/t/t9301-fast-export.sh index f09bfb1117..f1bc5ceef0 100755 --- a/t/t9301-fast-export.sh +++ b/t/t9301-fast-export.sh @@ -78,6 +78,29 @@ test_expect_success 'iso-8859-1' ' git cat-file commit i18n | grep "Ãéà óú") ' +test_expect_success 'import/export-marks' ' + + git checkout -b marks master && + git fast-export --export-marks=tmp-marks HEAD && + test -s tmp-marks && + test $(wc -l < tmp-marks) -eq 3 && + test $( + git fast-export --import-marks=tmp-marks\ + --export-marks=tmp-marks HEAD | + grep ^commit | + wc -l) \ + -eq 0 && + echo change > file && + git commit -m "last commit" file && + test $( + git fast-export --import-marks=tmp-marks \ + --export-marks=tmp-marks HEAD | + grep ^commit\ | + wc -l) \ + -eq 1 && + test $(wc -l < tmp-marks) -eq 4 + +' cat > signed-tag-import << EOF tag sign-your-name diff --git a/t/t9401-git-cvsserver-crlf.sh b/t/t9401-git-cvsserver-crlf.sh new file mode 100755 index 0000000000..e27a1c5f85 --- /dev/null +++ b/t/t9401-git-cvsserver-crlf.sh @@ -0,0 +1,337 @@ +#!/bin/sh +# +# Copyright (c) 2008 Matthew Ogilvie +# Parts adapted from other tests. +# + +test_description='git-cvsserver -kb modes + +tests -kb mode for binary files when accessing a git +repository using cvs CLI client via git-cvsserver server' + +. ./test-lib.sh + +q_to_nul () { + perl -pe 'y/Q/\000/' +} + +q_to_cr () { + tr Q '\015' +} + +marked_as () { + foundEntry="$(grep "^/$2/" "$1/CVS/Entries")" + if [ x"$foundEntry" = x"" ] ; then + echo "NOT FOUND: $1 $2 1 $3" >> "${WORKDIR}/marked.log" + return 1 + fi + test x"$(grep "^/$2/" "$1/CVS/Entries" | cut -d/ -f5)" = x"$3" + stat=$? + echo "$1 $2 $stat '$3'" >> "${WORKDIR}/marked.log" + return $stat +} + +not_present() { + foundEntry="$(grep "^/$2/" "$1/CVS/Entries")" + if [ -r "$1/$2" ] ; then + echo "Error: File still exists: $1 $2" >> "${WORKDIR}/marked.log" + return 1; + fi + if [ x"$foundEntry" != x"" ] ; then + echo "Error: should not have found: $1 $2" >> "${WORKDIR}/marked.log" + return 1; + else + echo "Correctly not found: $1 $2" >> "${WORKDIR}/marked.log" + return 0; + fi +} + +cvs >/dev/null 2>&1 +if test $? -ne 1 +then + test_expect_success 'skipping git-cvsserver tests, cvs not found' : + test_done + exit +fi +perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || { + test_expect_success 'skipping git-cvsserver tests, Perl SQLite interface unavailable' : + test_done + exit +} + +unset GIT_DIR GIT_CONFIG +WORKDIR=$(pwd) +SERVERDIR=$(pwd)/gitcvs.git +git_config="$SERVERDIR/config" +CVSROOT=":fork:$SERVERDIR" +CVSWORK="$(pwd)/cvswork" +CVS_SERVER=git-cvsserver +export CVSROOT CVS_SERVER + +rm -rf "$CVSWORK" "$SERVERDIR" +test_expect_success 'setup' ' + echo "Simple text file" >textfile.c && + echo "File with embedded NUL: Q <- there" | q_to_nul > binfile.bin && + mkdir subdir && + echo "Another text file" > subdir/file.h && + echo "Another binary: Q (this time CR)" | q_to_cr > subdir/withCr.bin && + echo "Mixed up NUL, but marked text: Q <- there" | q_to_nul > mixedUp.c + echo "Unspecified" > subdir/unspecified.other && + echo "/*.bin -crlf" > .gitattributes && + echo "/*.c crlf" >> .gitattributes && + echo "subdir/*.bin -crlf" >> .gitattributes && + echo "subdir/*.c crlf" >> .gitattributes && + echo "subdir/file.h crlf" >> .gitattributes && + git add .gitattributes textfile.c binfile.bin mixedUp.c subdir/* && + git commit -q -m "First Commit" && + git clone -q --local --bare "$WORKDIR/.git" "$SERVERDIR" >/dev/null 2>&1 && + GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled true && + GIT_DIR="$SERVERDIR" git config gitcvs.logfile "$SERVERDIR/gitcvs.log" +' + +test_expect_success 'cvs co (default crlf)' ' + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + test x"$(grep '/-k' cvswork/CVS/Entries cvswork/subdir/CVS/Entries)" = x"" +' + +rm -rf cvswork +test_expect_success 'cvs co (allbinary)' ' + GIT_DIR="$SERVERDIR" git config --bool gitcvs.allbinary true && + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + marked_as cvswork textfile.c -kb && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes -kb && + marked_as cvswork mixedUp.c -kb && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h -kb && + marked_as cvswork/subdir unspecified.other -kb +' + +rm -rf cvswork cvs.log +test_expect_success 'cvs co (use attributes/allbinary)' ' + GIT_DIR="$SERVERDIR" git config --bool gitcvs.usecrlfattr true && + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes -kb && + marked_as cvswork mixedUp.c "" && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" && + marked_as cvswork/subdir unspecified.other -kb +' + +rm -rf cvswork +test_expect_success 'cvs co (use attributes)' ' + GIT_DIR="$SERVERDIR" git config --bool gitcvs.allbinary false && + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes "" && + marked_as cvswork mixedUp.c "" && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" && + marked_as cvswork/subdir unspecified.other "" +' + +test_expect_success 'adding files' ' + cd cvswork/subdir && + echo "more text" > src.c && + GIT_CONFIG="$git_config" cvs -Q add src.c >cvs.log 2>&1 && + marked_as . src.c "" && + echo "psuedo-binary" > temp.bin && + cd .. && + GIT_CONFIG="$git_config" cvs -Q add subdir/temp.bin >cvs.log 2>&1 && + marked_as subdir temp.bin "-kb" && + cd subdir && + GIT_CONFIG="$git_config" cvs -Q ci -m "adding files" >cvs.log 2>&1 && + marked_as . temp.bin "-kb" && + marked_as . src.c "" +' + +cd "$WORKDIR" +test_expect_success 'updating' ' + git pull gitcvs.git && + echo 'hi' > subdir/newfile.bin && + echo 'junk' > subdir/file.h && + echo 'hi' > subdir/newfile.c && + echo 'hello' >> binfile.bin && + git add subdir/newfile.bin subdir/file.h subdir/newfile.c binfile.bin && + git commit -q -m "Add and change some files" && + git push gitcvs.git >/dev/null && + cd cvswork && + GIT_CONFIG="$git_config" cvs -Q update && + cd .. && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes "" && + marked_as cvswork mixedUp.c "" && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" && + marked_as cvswork/subdir unspecified.other "" && + marked_as cvswork/subdir newfile.bin -kb && + marked_as cvswork/subdir newfile.c "" && + echo "File with embedded NUL: Q <- there" | q_to_nul > tmpExpect1 && + echo "hello" >> tmpExpect1 && + cmp cvswork/binfile.bin tmpExpect1 +' + +rm -rf cvswork +test_expect_success 'cvs co (use attributes/guess)' ' + GIT_DIR="$SERVERDIR" git config gitcvs.allbinary guess && + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes "" && + marked_as cvswork mixedUp.c "" && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" && + marked_as cvswork/subdir unspecified.other "" && + marked_as cvswork/subdir newfile.bin -kb && + marked_as cvswork/subdir newfile.c "" +' + +test_expect_success 'setup multi-line files' ' + ( echo "line 1" && + echo "line 2" && + echo "line 3" && + echo "line 4 with NUL: Q <-" ) | q_to_nul > multiline.c && + git add multiline.c && + ( echo "line 1" && + echo "line 2" && + echo "line 3" && + echo "line 4" ) | q_to_nul > multilineTxt.c && + git add multilineTxt.c && + git commit -q -m "multiline files" && + git push gitcvs.git >/dev/null +' + +rm -rf cvswork +test_expect_success 'cvs co (guess)' ' + GIT_DIR="$SERVERDIR" git config --bool gitcvs.usecrlfattr false && + GIT_CONFIG="$git_config" cvs -Q co -d cvswork master >cvs.log 2>&1 && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes "" && + marked_as cvswork mixedUp.c -kb && + marked_as cvswork multiline.c -kb && + marked_as cvswork multilineTxt.c "" && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" && + marked_as cvswork/subdir unspecified.other "" && + marked_as cvswork/subdir newfile.bin "" && + marked_as cvswork/subdir newfile.c "" +' + +test_expect_success 'cvs co another copy (guess)' ' + GIT_CONFIG="$git_config" cvs -Q co -d cvswork2 master >cvs.log 2>&1 && + marked_as cvswork2 textfile.c "" && + marked_as cvswork2 binfile.bin -kb && + marked_as cvswork2 .gitattributes "" && + marked_as cvswork2 mixedUp.c -kb && + marked_as cvswork2 multiline.c -kb && + marked_as cvswork2 multilineTxt.c "" && + marked_as cvswork2/subdir withCr.bin -kb && + marked_as cvswork2/subdir file.h "" && + marked_as cvswork2/subdir unspecified.other "" && + marked_as cvswork2/subdir newfile.bin "" && + marked_as cvswork2/subdir newfile.c "" +' + +test_expect_success 'add text (guess)' ' + cd cvswork && + echo "simpleText" > simpleText.c && + GIT_CONFIG="$git_config" cvs -Q add simpleText.c && + cd .. && + marked_as cvswork simpleText.c "" +' + +test_expect_success 'add bin (guess)' ' + cd cvswork && + echo "simpleBin: NUL: Q <- there" | q_to_nul > simpleBin.bin && + GIT_CONFIG="$git_config" cvs -Q add simpleBin.bin && + cd .. && + marked_as cvswork simpleBin.bin -kb +' + +test_expect_success 'remove files (guess)' ' + cd cvswork && + GIT_CONFIG="$git_config" cvs -Q rm -f subdir/file.h && + cd subdir && + GIT_CONFIG="$git_config" cvs -Q rm -f withCr.bin && + cd ../.. && + marked_as cvswork/subdir withCr.bin -kb && + marked_as cvswork/subdir file.h "" +' + +test_expect_success 'cvs ci (guess)' ' + cd cvswork && + GIT_CONFIG="$git_config" cvs -Q ci -m "add/rm files" >cvs.log 2>&1 && + cd .. && + marked_as cvswork textfile.c "" && + marked_as cvswork binfile.bin -kb && + marked_as cvswork .gitattributes "" && + marked_as cvswork mixedUp.c -kb && + marked_as cvswork multiline.c -kb && + marked_as cvswork multilineTxt.c "" && + not_present cvswork/subdir withCr.bin && + not_present cvswork/subdir file.h && + marked_as cvswork/subdir unspecified.other "" && + marked_as cvswork/subdir newfile.bin "" && + marked_as cvswork/subdir newfile.c "" && + marked_as cvswork simpleBin.bin -kb && + marked_as cvswork simpleText.c "" +' + +test_expect_success 'update subdir of other copy (guess)' ' + cd cvswork2/subdir && + GIT_CONFIG="$git_config" cvs -Q update && + cd ../.. && + marked_as cvswork2 textfile.c "" && + marked_as cvswork2 binfile.bin -kb && + marked_as cvswork2 .gitattributes "" && + marked_as cvswork2 mixedUp.c -kb && + marked_as cvswork2 multiline.c -kb && + marked_as cvswork2 multilineTxt.c "" && + not_present cvswork2/subdir withCr.bin && + not_present cvswork2/subdir file.h && + marked_as cvswork2/subdir unspecified.other "" && + marked_as cvswork2/subdir newfile.bin "" && + marked_as cvswork2/subdir newfile.c "" && + not_present cvswork2 simpleBin.bin && + not_present cvswork2 simpleText.c +' + +echo "starting update/merge" >> "${WORKDIR}/marked.log" +test_expect_success 'update/merge full other copy (guess)' ' + git pull gitcvs.git master && + sed "s/3/replaced_3/" < multilineTxt.c > ml.temp && + mv ml.temp multilineTxt.c && + git add multilineTxt.c && + git commit -q -m "modify multiline file" >> "${WORKDIR}/marked.log" && + git push gitcvs.git >/dev/null && + cd cvswork2 && + sed "s/1/replaced_1/" < multilineTxt.c > ml.temp && + mv ml.temp multilineTxt.c && + GIT_CONFIG="$git_config" cvs update > cvs.log 2>&1 && + cd .. && + marked_as cvswork2 textfile.c "" && + marked_as cvswork2 binfile.bin -kb && + marked_as cvswork2 .gitattributes "" && + marked_as cvswork2 mixedUp.c -kb && + marked_as cvswork2 multiline.c -kb && + marked_as cvswork2 multilineTxt.c "" && + not_present cvswork2/subdir withCr.bin && + not_present cvswork2/subdir file.h && + marked_as cvswork2/subdir unspecified.other "" && + marked_as cvswork2/subdir newfile.bin "" && + marked_as cvswork2/subdir newfile.c "" && + marked_as cvswork2 simpleBin.bin -kb && + marked_as cvswork2 simpleText.c "" && + echo "line replaced_1" > tmpExpect2 && + echo "line 2" >> tmpExpect2 && + echo "line replaced_3" >> tmpExpect2 && + echo "line 4" | q_to_nul >> tmpExpect2 && + cmp cvswork2/multilineTxt.c tmpExpect2 +' + +test_done diff --git a/t/t9600-cvsimport.sh b/t/t9600-cvsimport.sh index 0b115a17ab..655f88270b 100755 --- a/t/t9600-cvsimport.sh +++ b/t/t9600-cvsimport.sh @@ -69,7 +69,7 @@ EOF test_expect_success 'import a trivial module' ' git cvsimport -a -z 0 -C module-git module && - git diff module-cvs/o_fortuna module-git/o_fortuna + test_cmp module-cvs/o_fortuna module-git/o_fortuna ' @@ -110,7 +110,7 @@ test_expect_success 'update git module' ' git cvsimport -a -z 0 module && git merge origin && cd .. && - git diff module-cvs/o_fortuna module-git/o_fortuna + test_cmp module-cvs/o_fortuna module-git/o_fortuna ' @@ -131,7 +131,7 @@ test_expect_success 'cvsimport.module config works' ' git cvsimport -a -z0 && git merge origin && cd .. && - git diff module-cvs/tick module-git/tick + test_cmp module-cvs/tick module-git/tick ' @@ -142,7 +142,7 @@ test_expect_success 'import from a CVS working tree' ' git cvsimport -a -z0 && echo 1 >expect && git log -1 --pretty=format:%s%n >actual && - git diff actual expect && + test_cmp actual expect && cd .. ' diff --git a/t/t9700-perl-git.sh b/t/t9700-perl-git.sh new file mode 100755 index 0000000000..9706ee5773 --- /dev/null +++ b/t/t9700-perl-git.sh @@ -0,0 +1,44 @@ +#!/bin/sh +# +# Copyright (c) 2008 Lea Wiemann +# + +test_description='perl interface (Git.pm)' +. ./test-lib.sh + +perl -MTest::More -e 0 2>/dev/null || { + say_color skip "Perl Test::More unavailable, skipping test" + test_done +} + +# set up test repository + +test_expect_success \ + 'set up test repository' \ + 'echo "test file 1" > file1 && + echo "test file 2" > file2 && + mkdir directory1 && + echo "in directory1" >> directory1/file && + mkdir directory2 && + echo "in directory2" >> directory2/file && + git add . && + git commit -m "first commit" && + + echo "changed file 1" > file1 && + git commit -a -m "second commit" && + + git-config --add color.test.slot1 green && + git-config --add test.string value && + git-config --add test.dupstring value1 && + git-config --add test.dupstring value2 && + git-config --add test.booltrue true && + git-config --add test.boolfalse no && + git-config --add test.boolother other && + git-config --add test.int 2k + ' + +test_external_without_stderr \ + 'Perl API' \ + perl ../t9700/test.pl + +test_done diff --git a/t/t9700/test.pl b/t/t9700/test.pl new file mode 100755 index 0000000000..4d2312548a --- /dev/null +++ b/t/t9700/test.pl @@ -0,0 +1,100 @@ +#!/usr/bin/perl +use lib (split(/:/, $ENV{GITPERLLIB})); + +use 5.006002; +use warnings; +use strict; + +use Test::More qw(no_plan); + +use Cwd; +use File::Basename; +use File::Temp; + +BEGIN { use_ok('Git') } + +# set up +our $repo_dir = "trash directory"; +our $abs_repo_dir = Cwd->cwd; +die "this must be run by calling the t/t97* shell script(s)\n" + if basename(Cwd->cwd) ne $repo_dir; +ok(our $r = Git->repository(Directory => "."), "open repository"); + +# config +is($r->config("test.string"), "value", "config scalar: string"); +is_deeply([$r->config("test.dupstring")], ["value1", "value2"], + "config array: string"); +is($r->config("test.nonexistent"), undef, "config scalar: nonexistent"); +is_deeply([$r->config("test.nonexistent")], [], "config array: nonexistent"); +is($r->config_int("test.int"), 2048, "config_int: integer"); +is($r->config_int("test.nonexistent"), undef, "config_int: nonexistent"); +ok($r->config_bool("test.booltrue"), "config_bool: true"); +ok(!$r->config_bool("test.boolfalse"), "config_bool: false"); +our $ansi_green = "\x1b[32m"; +is($r->get_color("color.test.slot1", "red"), $ansi_green, "get_color"); +# Cannot test $r->get_colorbool("color.foo")) because we do not +# control whether our STDOUT is a terminal. + +# Failure cases for config: +# Save and restore STDERR; we will probably extract this into a +# "dies_ok" method and possibly move the STDERR handling to Git.pm. +open our $tmpstderr, ">&", STDERR or die "cannot save STDERR"; close STDERR; +eval { $r->config("test.dupstring") }; +ok($@, "config: duplicate entry in scalar context fails"); +eval { $r->config_bool("test.boolother") }; +ok($@, "config_bool: non-boolean values fail"); +open STDERR, ">&", $tmpstderr or die "cannot restore STDERR"; + +# ident +like($r->ident("aUthor"), qr/^A U Thor <author\@example.com> [0-9]+ \+0000$/, + "ident scalar: author (type)"); +like($r->ident("cOmmitter"), qr/^C O Mitter <committer\@example.com> [0-9]+ \+0000$/, + "ident scalar: committer (type)"); +is($r->ident("invalid"), "invalid", "ident scalar: invalid ident string (no parsing)"); +my ($name, $email, $time_tz) = $r->ident('author'); +is_deeply([$name, $email], ["A U Thor", "author\@example.com"], + "ident array: author"); +like($time_tz, qr/[0-9]+ \+0000/, "ident array: author"); +is_deeply([$r->ident("Name <email> 123 +0000")], ["Name", "email", "123 +0000"], + "ident array: ident string"); +is_deeply([$r->ident("invalid")], [], "ident array: invalid ident string"); + +# ident_person +is($r->ident_person("aUthor"), "A U Thor <author\@example.com>", + "ident_person: author (type)"); +is($r->ident_person("Name <email> 123 +0000"), "Name <email>", + "ident_person: ident string"); +is($r->ident_person("Name", "email", "123 +0000"), "Name <email>", + "ident_person: array"); + +# objects and hashes +ok(our $file1hash = $r->command_oneline('rev-parse', "HEAD:file1"), "(get file hash)"); +our $tmpfile = File::Temp->new; +is($r->cat_blob($file1hash, $tmpfile), 15, "cat_blob: size"); +our $blobcontents; +{ local $/; seek $tmpfile, 0, 0; $blobcontents = <$tmpfile>; } +is($blobcontents, "changed file 1\n", "cat_blob: data"); +seek $tmpfile, 0, 0; +is(Git::hash_object("blob", $tmpfile), $file1hash, "hash_object: roundtrip"); +$tmpfile = File::Temp->new(); +print $tmpfile my $test_text = "test blob, to be inserted\n"; +like(our $newhash = $r->hash_and_insert_object($tmpfile), qr/[0-9a-fA-F]{40}/, + "hash_and_insert_object: returns hash"); +$tmpfile = File::Temp->new; +is($r->cat_blob($newhash, $tmpfile), length $test_text, "cat_blob: roundtrip size"); +{ local $/; seek $tmpfile, 0, 0; $blobcontents = <$tmpfile>; } +is($blobcontents, $test_text, "cat_blob: roundtrip data"); + +# paths +is($r->repo_path, "./.git", "repo_path"); +is($r->wc_path, $abs_repo_dir . "/", "wc_path"); +is($r->wc_subdir, "", "wc_subdir initial"); +$r->wc_chdir("directory1"); +is($r->wc_subdir, "directory1", "wc_subdir after wc_chdir"); +TODO: { + local $TODO = "commands do not work after wc_chdir"; + # Failure output is active even in non-verbose mode and thus + # annoying. Hence we skip these tests as long as they fail. + todo_skip 'config after wc_chdir', 1; + is($r->config("color.string"), "value", "config after wc_chdir"); +} diff --git a/t/test-lib.sh b/t/test-lib.sh index c3a3167382..8e2849b5ce 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -81,6 +81,8 @@ do debug=t; shift ;; -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate) immediate=t; shift ;; + -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests) + export GIT_TEST_LONG=t; shift ;; -h|--h|--he|--hel|--help) help=t; shift ;; -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose) @@ -153,6 +155,7 @@ test_failure=0 test_count=0 test_fixed=0 test_broken=0 +test_success=0 die () { echo >&5 "FATAL: Unexpected exit with code $?" @@ -169,7 +172,7 @@ trap 'die' exit # environment variables to work around this. # # In particular, quoting isn't enough, as the path may contain the same quote -# that we're using. +# that we're using. test_set_editor () { FAKE_EDITOR="$1" export FAKE_EDITOR @@ -194,6 +197,7 @@ test_tick () { test_ok_ () { test_count=$(expr "$test_count" + 1) + test_success=$(expr "$test_success" + 1) say_color "" " ok $test_count: $@" } @@ -303,6 +307,64 @@ test_expect_code () { echo >&3 "" } +# test_external runs external test scripts that provide continuous +# test output about their progress, and succeeds/fails on +# zero/non-zero exit code. It outputs the test output on stdout even +# in non-verbose mode, and announces the external script with "* run +# <n>: ..." before running it. When providing relative paths, keep in +# mind that all scripts run in "trash directory". +# Usage: test_external description command arguments... +# Example: test_external 'Perl API' perl ../path/to/test.pl +test_external () { + test "$#" -eq 3 || + error >&5 "bug in the test script: not 3 parameters to test_external" + descr="$1" + shift + if ! test_skip "$descr" "$@" + then + # Announce the script to reduce confusion about the + # test output that follows. + say_color "" " run $(expr "$test_count" + 1): $descr ($*)" + # Run command; redirect its stderr to &4 as in + # test_run_, but keep its stdout on our stdout even in + # non-verbose mode. + "$@" 2>&4 + if [ "$?" = 0 ] + then + test_ok_ "$descr" + else + test_failure_ "$descr" "$@" + fi + fi +} + +# Like test_external, but in addition tests that the command generated +# no output on stderr. +test_external_without_stderr () { + # The temporary file has no (and must have no) security + # implications. + tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi + stderr="$tmp/git-external-stderr.$$.tmp" + test_external "$@" 4> "$stderr" + [ -f "$stderr" ] || error "Internal error: $stderr disappeared." + descr="no stderr: $1" + shift + say >&3 "expecting no stderr from previous command" + if [ ! -s "$stderr" ]; then + rm "$stderr" + test_ok_ "$descr" + else + if [ "$verbose" = t ]; then + output=`echo; echo Stderr is:; cat "$stderr"` + else + output= + fi + # rm first in case test_failure exits. + rm "$stderr" + test_failure_ "$descr" "$@" "$output" + fi +} + # This is not among top-level (test_expect_success | test_expect_failure) # but is a prefix that can be used in the test script, like: # @@ -346,7 +408,7 @@ test_create_repo () { repo="$1" mkdir "$repo" cd "$repo" || error "Cannot setup test environment" - "$GIT_EXEC_PATH/git" init "--template=$GIT_EXEC_PATH/templates/blt/" >/dev/null 2>&1 || + "$GIT_EXEC_PATH/git" init "--template=$GIT_EXEC_PATH/templates/blt/" >&3 2>&4 || error "cannot run git init -- have you built things yet?" mv .git/hooks .git/hooks-disabled cd "$owd" @@ -354,6 +416,16 @@ test_create_repo () { test_done () { trap - exit + test_results_dir="$TEST_DIRECTORY/test-results" + mkdir -p "$test_results_dir" + test_results_path="$test_results_dir/${0%-*}-$$" + + echo "total $test_count" >> $test_results_path + echo "success $test_success" >> $test_results_path + echo "fixed $test_fixed" >> $test_results_path + echo "broken $test_broken" >> $test_results_path + echo "failed $test_failure" >> $test_results_path + echo "" >> $test_results_path if test "$test_fixed" != 0 then @@ -369,7 +441,7 @@ test_done () { case "$test_failure" in 0) # We could: - # cd .. && rm -fr trash + # cd .. && rm -fr 'trash directory' # but that means we forbid any tests that use their own # subdirectory from calling test_done without coming back # to where they started from. @@ -387,8 +459,9 @@ test_done () { } # Test the binaries we have just built. The tests are kept in -# t/ subdirectory and are run in trash subdirectory. -PATH=$(pwd)/..:$PATH +# t/ subdirectory and are run in 'trash directory' subdirectory. +TEST_DIRECTORY=$(pwd) +PATH=$TEST_DIRECTORY/..:$PATH GIT_EXEC_PATH=$(pwd)/.. GIT_TEMPLATE_DIR=$(pwd)/../templates/blt unset GIT_CONFIG @@ -420,7 +493,9 @@ rm -fr "$test" || { } test_create_repo "$test" -cd "$test" +# Use -P to resolve symlinks in our working directory so that the cwd +# in subprocesses like git equals our $PWD (for pathname comparisons). +cd -P "$test" || exit 1 this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$') for skp in $GIT_SKIP_TESTS diff --git a/templates/Makefile b/templates/Makefile index bda9d13505..9f3f1fc352 100644 --- a/templates/Makefile +++ b/templates/Makefile @@ -8,12 +8,12 @@ INSTALL ?= install TAR ?= tar RM ?= rm -f prefix ?= $(HOME) -template_dir ?= $(prefix)/share/git-core/templates +template_instdir ?= $(prefix)/share/git-core/templates # DESTDIR= # Shell quote (do not use $(call) to accommodate ancient setups); DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) -template_dir_SQ = $(subst ','\'',$(template_dir)) +template_instdir_SQ = $(subst ','\'',$(template_instdir)) all: boilerplates.made custom @@ -46,6 +46,6 @@ clean: $(RM) -r blt boilerplates.made install: all - $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(template_dir_SQ)' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(template_instdir_SQ)' (cd blt && $(TAR) cf - .) | \ - (cd '$(DESTDIR_SQ)$(template_dir_SQ)' && umask 022 && $(TAR) xf -) + (cd '$(DESTDIR_SQ)$(template_instdir_SQ)' && umask 022 && $(TAR) xf -) diff --git a/templates/hooks--applypatch-msg b/templates/hooks--applypatch-msg.sample index 02de1ef84c..8b2a2fe84f 100644..100755 --- a/templates/hooks--applypatch-msg +++ b/templates/hooks--applypatch-msg.sample @@ -7,7 +7,7 @@ # appropriate message if it wants to stop the commit. The hook is # allowed to edit the commit message file. # -# To enable this hook, make this file executable. +# To enable this hook, rename this file to "applypatch-msg". . git-sh-setup test -x "$GIT_DIR/hooks/commit-msg" && diff --git a/templates/hooks--commit-msg b/templates/hooks--commit-msg.sample index 4ef86eb244..6ef1d29d09 100644..100755 --- a/templates/hooks--commit-msg +++ b/templates/hooks--commit-msg.sample @@ -6,7 +6,7 @@ # status after issuing an appropriate message if it wants to stop the # commit. The hook is allowed to edit the commit message file. # -# To enable this hook, make this file executable. +# To enable this hook, rename this file to "commit-msg". # Uncomment the below to add a Signed-off-by line to the message. # Doing this in a hook is a bad idea in general, but the prepare-commit-msg diff --git a/templates/hooks--post-commit b/templates/hooks--post-commit.sample index 8be6f34ad9..22668216a3 100644..100755 --- a/templates/hooks--post-commit +++ b/templates/hooks--post-commit.sample @@ -3,6 +3,6 @@ # An example hook script that is called after a successful # commit is made. # -# To enable this hook, make this file executable. +# To enable this hook, rename this file to "post-commit". : Nothing diff --git a/templates/hooks--post-receive b/templates/hooks--post-receive deleted file mode 100644 index b70c8fd364..0000000000 --- a/templates/hooks--post-receive +++ /dev/null @@ -1,16 +0,0 @@ -#!/bin/sh -# -# An example hook script for the post-receive event -# -# This script is run after receive-pack has accepted a pack and the -# repository has been updated. It is passed arguments in through stdin -# in the form -# <oldrev> <newrev> <refname> -# For example: -# aa453216d1b3e49e7f6f98441fa56946ddcd6a20 68f7abf4e6f922807889f52bc043ecd31b79f814 refs/heads/master -# -# see contrib/hooks/ for an sample, or uncomment the next line (on debian) -# - - -#. /usr/share/doc/git-core/contrib/hooks/post-receive-email diff --git a/templates/hooks--post-receive.sample b/templates/hooks--post-receive.sample new file mode 100755 index 0000000000..18d2e0f727 --- /dev/null +++ b/templates/hooks--post-receive.sample @@ -0,0 +1,15 @@ +#!/bin/sh +# +# An example hook script for the "post-receive" event. +# +# The "post-receive" script is run after receive-pack has accepted a pack +# and the repository has been updated. It is passed arguments in through +# stdin in the form +# <oldrev> <newrev> <refname> +# For example: +# aa453216d1b3e49e7f6f98441fa56946ddcd6a20 68f7abf4e6f922807889f52bc043ecd31b79f814 refs/heads/master +# +# see contrib/hooks/ for an sample, or uncomment the next line and +# rename the file to "post-receive". + +#. /usr/share/doc/git-core/contrib/hooks/post-receive-email diff --git a/templates/hooks--post-update b/templates/hooks--post-update.sample index bcba8937bb..5323b56b81 100644..100755 --- a/templates/hooks--post-update +++ b/templates/hooks--post-update.sample @@ -3,6 +3,6 @@ # An example hook script to prepare a packed repository for use over # dumb transports. # -# To enable this hook, make this file executable by "chmod +x post-update". +# To enable this hook, rename this file to "post-update". exec git-update-server-info diff --git a/templates/hooks--pre-applypatch b/templates/hooks--pre-applypatch.sample index eeccc934ca..b1f187c2e9 100644..100755 --- a/templates/hooks--pre-applypatch +++ b/templates/hooks--pre-applypatch.sample @@ -6,7 +6,7 @@ # The hook should exit with non-zero status after issuing an # appropriate message if it wants to stop the commit. # -# To enable this hook, make this file executable. +# To enable this hook, rename this file to "pre-applypatch". . git-sh-setup test -x "$GIT_DIR/hooks/pre-commit" && diff --git a/templates/hooks--pre-commit b/templates/hooks--pre-commit deleted file mode 100644 index b25dce6bbf..0000000000 --- a/templates/hooks--pre-commit +++ /dev/null @@ -1,70 +0,0 @@ -#!/bin/sh -# -# An example hook script to verify what is about to be committed. -# Called by git-commit with no arguments. The hook should -# exit with non-zero status after issuing an appropriate message if -# it wants to stop the commit. -# -# To enable this hook, make this file executable. - -# This is slightly modified from Andrew Morton's Perfect Patch. -# Lines you introduce should not have trailing whitespace. -# Also check for an indentation that has SP before a TAB. - -if git-rev-parse --verify HEAD 2>/dev/null -then - git-diff-index -p -M --cached HEAD -- -else - # NEEDSWORK: we should produce a diff with an empty tree here - # if we want to do the same verification for the initial import. - : -fi | -perl -e ' - my $found_bad = 0; - my $filename; - my $reported_filename = ""; - my $lineno; - sub bad_line { - my ($why, $line) = @_; - if (!$found_bad) { - print STDERR "*\n"; - print STDERR "* You have some suspicious patch lines:\n"; - print STDERR "*\n"; - $found_bad = 1; - } - if ($reported_filename ne $filename) { - print STDERR "* In $filename\n"; - $reported_filename = $filename; - } - print STDERR "* $why (line $lineno)\n"; - print STDERR "$filename:$lineno:$line\n"; - } - while (<>) { - if (m|^diff --git a/(.*) b/\1$|) { - $filename = $1; - next; - } - if (/^@@ -\S+ \+(\d+)/) { - $lineno = $1 - 1; - next; - } - if (/^ /) { - $lineno++; - next; - } - if (s/^\+//) { - $lineno++; - chomp; - if (/\s$/) { - bad_line("trailing whitespace", $_); - } - if (/^\s* \t/) { - bad_line("indent SP followed by a TAB", $_); - } - if (/^([<>])\1{6} |^={7}$/) { - bad_line("unresolved merge conflict", $_); - } - } - } - exit($found_bad); -' diff --git a/templates/hooks--pre-commit.sample b/templates/hooks--pre-commit.sample new file mode 100755 index 0000000000..0e49279c7f --- /dev/null +++ b/templates/hooks--pre-commit.sample @@ -0,0 +1,18 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed. +# Called by git-commit with no arguments. The hook should +# exit with non-zero status after issuing an appropriate message if +# it wants to stop the commit. +# +# To enable this hook, rename this file to "pre-commit". + +if git-rev-parse --verify HEAD 2>/dev/null +then + against=HEAD +else + # Initial commit: diff against an empty tree object + against=4b825dc642cb6eb9a060e54bf8d69288fbee4904 +fi + +exec git diff-index --check --cached $against -- diff --git a/templates/hooks--pre-rebase b/templates/hooks--pre-rebase.sample index 981c454cda..be1b06e250 100644..100755 --- a/templates/hooks--pre-rebase +++ b/templates/hooks--pre-rebase.sample @@ -1,7 +1,19 @@ #!/bin/sh # -# Copyright (c) 2006 Junio C Hamano +# Copyright (c) 2006, 2008 Junio C Hamano # +# The "pre-rebase" hook is run just before "git-rebase" starts doing +# its job, and can prevent the command from running by exiting with +# non-zero status. +# +# The hook is called with the following parameters: +# +# $1 -- the upstream the series was forked from. +# $2 -- the branch being rebased (or empty when rebasing the current branch). +# +# This sample shows how to prevent topic branches that are already +# merged to 'next' branch from getting rebased, because allowing it +# would result in rebasing already published history. publish=next basebranch="$1" @@ -9,11 +21,12 @@ if test "$#" = 2 then topic="refs/heads/$2" else - topic=`git symbolic-ref HEAD` + topic=`git symbolic-ref HEAD` || + exit 0 ;# we do not interrupt rebasing detached HEAD fi -case "$basebranch,$topic" in -master,refs/heads/??/*) +case "$topic" in +refs/heads/??/*) ;; *) exit 0 ;# we do not interrupt others. @@ -23,6 +36,12 @@ esac # Now we are dealing with a topic branch being rebased # on top of master. Is it OK to rebase it? +# Does the topic really exist? +git show-ref -q "$topic" || { + echo >&2 "No such branch $topic" + exit 1 +} + # Is topic fully merged to master? not_in_master=`git-rev-list --pretty=oneline ^master "$topic"` if test -z "$not_in_master" diff --git a/templates/hooks--prepare-commit-msg b/templates/hooks--prepare-commit-msg.sample index ff0f42a1d9..365242499d 100644..100755 --- a/templates/hooks--prepare-commit-msg +++ b/templates/hooks--prepare-commit-msg.sample @@ -7,7 +7,7 @@ # message file. If the hook fails with a non-zero status, # the commit is aborted. # -# To enable this hook, make this file executable. +# To enable this hook, rename this file to "prepare-commit-msg". # This hook includes three examples. The first comments out the # "Conflicts:" part of a merge commit. @@ -20,12 +20,12 @@ # The third example adds a Signed-off-by line to the message, that can # still be edited. This is rarely a good idea. -case "$2 $3" in - merge) - sed -i '/^Conflicts:/,/#/!b;s/^/# &/;s/^# #/#/' "$1" ;; +case "$2,$3" in + merge,) + perl -i.bak -ne 's/^/# /, s/^# #/#/ if /^Conflicts/ .. /#/; print' "$1" ;; -# ""|template) -# perl -i -pe ' +# ,|template,) +# perl -i.bak -pe ' # print "\n" . `git diff --cached --name-status -r` # if /^#/ && $first++ == 0' "$1" ;; diff --git a/templates/hooks--update b/templates/hooks--update.sample index 4b69268fd0..93c605594f 100644..100755 --- a/templates/hooks--update +++ b/templates/hooks--update.sample @@ -3,7 +3,7 @@ # An example hook script to blocks unannotated tags from entering. # Called by git-receive-pack with arguments: refname sha1-old sha1-new # -# To enable this hook, make this file executable by "chmod +x update". +# To enable this hook, rename this file to "update". # # Config # ------ diff --git a/test-parse-options.c b/test-parse-options.c index 73360d7512..2a79e729a4 100644 --- a/test-parse-options.c +++ b/test-parse-options.c @@ -2,9 +2,22 @@ #include "parse-options.h" static int boolean = 0; -static int integer = 0; +static unsigned long integer = 0; +static int abbrev = 7; +static int verbose = 0, dry_run = 0, quiet = 0; static char *string = NULL; +int length_callback(const struct option *opt, const char *arg, int unset) +{ + printf("Callback: \"%s\", %d\n", + (arg ? arg : "not set"), unset); + if (unset) + return 1; /* do not support unset */ + + *(unsigned long *)opt->value = strlen(arg); + return 0; +} + int main(int argc, const char **argv) { const char *usage[] = { @@ -13,15 +26,29 @@ int main(int argc, const char **argv) }; struct option options[] = { OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"), + OPT_BIT('4', "or4", &boolean, + "bitwise-or boolean with ...0100", 4), + OPT_GROUP(""), OPT_INTEGER('i', "integer", &integer, "get a integer"), OPT_INTEGER('j', NULL, &integer, "get a integer, too"), - OPT_GROUP("string options"), + OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23), + OPT_DATE('t', NULL, &integer, "get timestamp of <time>"), + OPT_CALLBACK('L', "length", &integer, "str", + "get length of <str>", length_callback), + OPT_GROUP("String options"), OPT_STRING('s', "string", &string, "string", "get a string"), OPT_STRING(0, "string2", &string, "str", "get another string"), OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"), OPT_STRING('o', NULL, &string, "str", "get another string"), - OPT_GROUP("magic arguments"), + OPT_SET_PTR(0, "default-string", &string, + "set string to default", (unsigned long)"default"), + OPT_GROUP("Magic arguments"), OPT_ARGUMENT("quux", "means --quux"), + OPT_GROUP("Standard options"), + OPT__ABBREV(&abbrev), + OPT__VERBOSE(&verbose), + OPT__DRY_RUN(&dry_run), + OPT__QUIET(&quiet), OPT_END(), }; int i; @@ -29,8 +56,12 @@ int main(int argc, const char **argv) argc = parse_options(argc, argv, options, usage, 0); printf("boolean: %d\n", boolean); - printf("integer: %d\n", integer); + printf("integer: %lu\n", integer); printf("string: %s\n", string ? string : "(not set)"); + printf("abbrev: %d\n", abbrev); + printf("verbose: %d\n", verbose); + printf("quiet: %s\n", quiet ? "yes" : "no"); + printf("dry run: %s\n", dry_run ? "yes" : "no"); for (i = 0; i < argc; i++) printf("arg %02d: %s\n", i, argv[i]); diff --git a/transport.c b/transport.c index 1bc16f2b65..6eb65b873a 100644 --- a/transport.c +++ b/transport.c @@ -203,7 +203,7 @@ static struct ref *get_refs_via_rsync(struct transport *transport) } static int fetch_objs_via_rsync(struct transport *transport, - int nr_objs, struct ref **to_fetch) + int nr_objs, const struct ref **to_fetch) { struct strbuf buf = STRBUF_INIT; struct child_process rsync; @@ -350,7 +350,7 @@ static int rsync_transport_push(struct transport *transport, #ifndef NO_CURL /* http fetch is the only user */ static int fetch_objs_via_walker(struct transport *transport, - int nr_objs, struct ref **to_fetch) + int nr_objs, const struct ref **to_fetch) { char *dest = xstrdup(transport->url); struct walker *walker = transport->data; @@ -517,7 +517,7 @@ static struct ref *get_refs_via_curl(struct transport *transport) } static int fetch_objs_via_curl(struct transport *transport, - int nr_objs, struct ref **to_fetch) + int nr_objs, const struct ref **to_fetch) { if (!transport->data) transport->data = get_http_walker(transport->url, @@ -554,7 +554,7 @@ static struct ref *get_refs_from_bundle(struct transport *transport) } static int fetch_refs_from_bundle(struct transport *transport, - int nr_heads, struct ref **to_fetch) + int nr_heads, const struct ref **to_fetch) { struct bundle_transport_data *data = transport->data; return unbundle(&data->header, data->fd); @@ -628,7 +628,7 @@ static struct ref *get_refs_via_connect(struct transport *transport) } static int fetch_refs_via_pack(struct transport *transport, - int nr_heads, struct ref **to_fetch) + int nr_heads, const struct ref **to_fetch) { struct git_transport_data *data = transport->data; char **heads = xmalloc(nr_heads * sizeof(*heads)); @@ -645,7 +645,9 @@ static int fetch_refs_via_pack(struct transport *transport, args.lock_pack = 1; args.use_thin_pack = data->thin; args.include_tag = data->followtags; - args.verbose = transport->verbose > 0; + args.verbose = (transport->verbose > 0); + args.quiet = args.no_progress = (transport->verbose < 0); + args.no_progress = !isatty(1); args.depth = data->depth; for (i = 0; i < nr_heads; i++) @@ -709,7 +711,8 @@ static int is_local(const char *url) { const char *colon = strchr(url, ':'); const char *slash = strchr(url, '/'); - return !colon || (slash && slash < colon); + return !colon || (slash && slash < colon) || + has_dos_drive_prefix(url); } static int is_file(const char *url) @@ -796,12 +799,12 @@ const struct ref *transport_get_remote_refs(struct transport *transport) return transport->remote_refs; } -int transport_fetch_refs(struct transport *transport, struct ref *refs) +int transport_fetch_refs(struct transport *transport, const struct ref *refs) { int rc; int nr_heads = 0, nr_alloc = 0; - struct ref **heads = NULL; - struct ref *rm; + const struct ref **heads = NULL; + const struct ref *rm; for (rm = refs; rm; rm = rm->next) { if (rm->peer_ref && diff --git a/transport.h b/transport.h index 8abfc0ae60..d0b52053ff 100644 --- a/transport.h +++ b/transport.h @@ -19,7 +19,7 @@ struct transport { const char *value); struct ref *(*get_refs_list)(struct transport *transport); - int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs); + int (*fetch)(struct transport *transport, int refs_nr, const struct ref **refs); int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags); int (*disconnect)(struct transport *connection); @@ -68,7 +68,7 @@ int transport_push(struct transport *connection, const struct ref *transport_get_remote_refs(struct transport *transport); -int transport_fetch_refs(struct transport *transport, struct ref *refs); +int transport_fetch_refs(struct transport *transport, const struct ref *refs); void transport_unlock_pack(struct transport *transport); int transport_disconnect(struct transport *transport); diff --git a/unpack-file.c b/unpack-file.c index 65c66eb0bf..bcdc8bbb3b 100644 --- a/unpack-file.c +++ b/unpack-file.c @@ -31,7 +31,7 @@ int main(int argc, char **argv) die("Not a valid object name %s", argv[1]); setup_git_directory(); - git_config(git_default_config); + git_config(git_default_config, NULL); puts(create_temp_file(sha1)); return 0; diff --git a/unpack-trees.c b/unpack-trees.c index 1ab28fda45..cba0aca062 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -8,6 +8,36 @@ #include "progress.h" #include "refs.h" +/* + * Error messages expected by scripts out of plumbing commands such as + * read-tree. Non-scripted Porcelain is not required to use these messages + * and in fact are encouraged to reword them to better suit their particular + * situation better. See how "git checkout" replaces not_uptodate_file to + * explain why it does not allow switching between branches when you have + * local changes, for example. + */ +static struct unpack_trees_error_msgs unpack_plumbing_errors = { + /* would_overwrite */ + "Entry '%s' would be overwritten by merge. Cannot merge.", + + /* not_uptodate_file */ + "Entry '%s' not uptodate. Cannot merge.", + + /* not_uptodate_dir */ + "Updating '%s' would lose untracked files in it", + + /* would_lose_untracked */ + "Untracked working tree file '%s' would be %s by merge.", + + /* bind_overlap */ + "Entry '%s' overlaps with '%s'. Cannot bind.", +}; + +#define ERRORMSG(o,fld) \ + ( ((o) && (o)->msgs.fld) \ + ? ((o)->msgs.fld) \ + : (unpack_plumbing_errors.fld) ) + static void add_entry(struct unpack_trees_options *o, struct cache_entry *ce, unsigned int set, unsigned int clear) { @@ -328,8 +358,13 @@ static int unpack_failed(struct unpack_trees_options *o, const char *message) return -1; } +/* + * N-way merge "len" trees. Returns 0 on success, -1 on failure to manipulate the + * resulting index, -2 on failure to reflect the changes to the work tree. + */ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options *o) { + int ret; static struct cache_entry *dfc; if (len > MAX_UNPACK_TREES) @@ -374,19 +409,17 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options return unpack_failed(o, "Merge requires file-level merging"); o->src_index = NULL; - if (check_updates(o)) - return -1; + ret = check_updates(o) ? (-2) : 0; if (o->dst_index) *o->dst_index = o->result; - return 0; + return ret; } /* Here come the merge functions */ -static int reject_merge(struct cache_entry *ce) +static int reject_merge(struct cache_entry *ce, struct unpack_trees_options *o) { - return error("Entry '%s' would be overwritten by merge. Cannot merge.", - ce->name); + return error(ERRORMSG(o, would_overwrite), ce->name); } static int same(struct cache_entry *a, struct cache_entry *b) @@ -430,7 +463,7 @@ static int verify_uptodate(struct cache_entry *ce, if (errno == ENOENT) return 0; return o->gently ? -1 : - error("Entry '%s' not uptodate. Cannot merge.", ce->name); + error(ERRORMSG(o, not_uptodate_file), ce->name); } static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_options *o) @@ -517,8 +550,7 @@ static int verify_clean_subdirectory(struct cache_entry *ce, const char *action, i = read_directory(&d, ce->name, pathbuf, namelen+1, NULL); if (i) return o->gently ? -1 : - error("Updating '%s' would lose untracked files in it", - ce->name); + error(ERRORMSG(o, not_uptodate_dir), ce->name); free(pathbuf); return cnt; } @@ -618,8 +650,7 @@ static int verify_absent(struct cache_entry *ce, const char *action, } return o->gently ? -1 : - error("Untracked working tree file '%s' " - "would be %s by merge.", ce->name, action); + error(ERRORMSG(o, would_lose_untracked), ce->name, action); } return 0; } @@ -751,7 +782,7 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o) /* #14, #14ALT, #2ALT */ if (remote && !df_conflict_head && head_match && !remote_match) { if (index && !same(index, remote) && !same(index, head)) - return o->gently ? -1 : reject_merge(index); + return o->gently ? -1 : reject_merge(index, o); return merged_entry(remote, index, o); } /* @@ -759,7 +790,7 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o) * make sure that it matches head. */ if (index && !same(index, head)) - return o->gently ? -1 : reject_merge(index); + return o->gently ? -1 : reject_merge(index, o); if (head) { /* #5ALT, #15 */ @@ -901,11 +932,11 @@ int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o) else { /* all other failures */ if (oldtree) - return o->gently ? -1 : reject_merge(oldtree); + return o->gently ? -1 : reject_merge(oldtree, o); if (current) - return o->gently ? -1 : reject_merge(current); + return o->gently ? -1 : reject_merge(current, o); if (newtree) - return o->gently ? -1 : reject_merge(newtree); + return o->gently ? -1 : reject_merge(newtree, o); return -1; } } @@ -931,7 +962,7 @@ int bind_merge(struct cache_entry **src, o->merge_size); if (a && old) return o->gently ? -1 : - error("Entry '%s' overlaps with '%s'. Cannot bind.", a->name, old->name); + error(ERRORMSG(o, bind_overlap), a->name, old->name); if (!a) return keep_entry(old, o); else diff --git a/unpack-trees.h b/unpack-trees.h index d436d6ced9..94e567265a 100644 --- a/unpack-trees.h +++ b/unpack-trees.h @@ -8,6 +8,14 @@ struct unpack_trees_options; typedef int (*merge_fn_t)(struct cache_entry **src, struct unpack_trees_options *options); +struct unpack_trees_error_msgs { + const char *would_overwrite; + const char *not_uptodate_file; + const char *not_uptodate_dir; + const char *would_lose_untracked; + const char *bind_overlap; +}; + struct unpack_trees_options { unsigned int reset:1, merge:1, @@ -23,6 +31,7 @@ struct unpack_trees_options { int pos; struct dir_struct *dir; merge_fn_t fn; + struct unpack_trees_error_msgs msgs; int head_idx; int merge_size; diff --git a/upload-pack.c b/upload-pack.c index b46dd365ea..9f82941f8b 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -135,6 +135,8 @@ static int do_rev_list(int fd, void *create_full_pack) die("revision walk setup failed"); mark_edges_uninteresting(revs.commits, &revs, show_edge); traverse_commit_list(&revs, show_commit, show_object); + fflush(pack_pipe); + fclose(pack_pipe); return 0; } @@ -39,13 +39,13 @@ static const char *read_var(const char *var) return val; } -static int show_config(const char *var, const char *value) +static int show_config(const char *var, const char *value, void *cb) { if (value) printf("%s=%s\n", var, value); else printf("%s\n", var); - return git_default_config(var, value); + return git_default_config(var, value, cb); } int main(int argc, char **argv) @@ -60,11 +60,11 @@ int main(int argc, char **argv) val = NULL; if (strcmp(argv[1], "-l") == 0) { - git_config(show_config); + git_config(show_config, NULL); list_vars(); return 0; } - git_config(git_default_config); + git_config(git_default_config, NULL); val = read_var(argv[1]); if (!val) usage(var_usage); @@ -59,6 +59,7 @@ static int process_tree(struct walker *walker, struct tree *tree) free(tree->buffer); tree->buffer = NULL; tree->size = 0; + tree->object.parsed = 0; return 0; } diff --git a/wrapper.c b/wrapper.c new file mode 100644 index 0000000000..4e04f7661b --- /dev/null +++ b/wrapper.c @@ -0,0 +1,160 @@ +/* + * Various trivial helper wrappers around standard functions + */ +#include "cache.h" + +char *xstrdup(const char *str) +{ + char *ret = strdup(str); + if (!ret) { + release_pack_memory(strlen(str) + 1, -1); + ret = strdup(str); + if (!ret) + die("Out of memory, strdup failed"); + } + return ret; +} + +void *xmalloc(size_t size) +{ + void *ret = malloc(size); + if (!ret && !size) + ret = malloc(1); + if (!ret) { + release_pack_memory(size, -1); + ret = malloc(size); + if (!ret && !size) + ret = malloc(1); + if (!ret) + die("Out of memory, malloc failed"); + } +#ifdef XMALLOC_POISON + memset(ret, 0xA5, size); +#endif + return ret; +} + +/* + * xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of + * "data" to the allocated memory, zero terminates the allocated memory, + * and returns a pointer to the allocated memory. If the allocation fails, + * the program dies. + */ +void *xmemdupz(const void *data, size_t len) +{ + char *p = xmalloc(len + 1); + memcpy(p, data, len); + p[len] = '\0'; + return p; +} + +char *xstrndup(const char *str, size_t len) +{ + char *p = memchr(str, '\0', len); + return xmemdupz(str, p ? p - str : len); +} + +void *xrealloc(void *ptr, size_t size) +{ + void *ret = realloc(ptr, size); + if (!ret && !size) + ret = realloc(ptr, 1); + if (!ret) { + release_pack_memory(size, -1); + ret = realloc(ptr, size); + if (!ret && !size) + ret = realloc(ptr, 1); + if (!ret) + die("Out of memory, realloc failed"); + } + return ret; +} + +void *xcalloc(size_t nmemb, size_t size) +{ + void *ret = calloc(nmemb, size); + if (!ret && (!nmemb || !size)) + ret = calloc(1, 1); + if (!ret) { + release_pack_memory(nmemb * size, -1); + ret = calloc(nmemb, size); + if (!ret && (!nmemb || !size)) + ret = calloc(1, 1); + if (!ret) + die("Out of memory, calloc failed"); + } + return ret; +} + +void *xmmap(void *start, size_t length, + int prot, int flags, int fd, off_t offset) +{ + void *ret = mmap(start, length, prot, flags, fd, offset); + if (ret == MAP_FAILED) { + if (!length) + return NULL; + release_pack_memory(length, fd); + ret = mmap(start, length, prot, flags, fd, offset); + if (ret == MAP_FAILED) + die("Out of memory? mmap failed: %s", strerror(errno)); + } + return ret; +} + +/* + * xread() is the same a read(), but it automatically restarts read() + * operations with a recoverable error (EAGAIN and EINTR). xread() + * DOES NOT GUARANTEE that "len" bytes is read even if the data is available. + */ +ssize_t xread(int fd, void *buf, size_t len) +{ + ssize_t nr; + while (1) { + nr = read(fd, buf, len); + if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) + continue; + return nr; + } +} + +/* + * xwrite() is the same a write(), but it automatically restarts write() + * operations with a recoverable error (EAGAIN and EINTR). xwrite() DOES NOT + * GUARANTEE that "len" bytes is written even if the operation is successful. + */ +ssize_t xwrite(int fd, const void *buf, size_t len) +{ + ssize_t nr; + while (1) { + nr = write(fd, buf, len); + if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) + continue; + return nr; + } +} + +int xdup(int fd) +{ + int ret = dup(fd); + if (ret < 0) + die("dup failed: %s", strerror(errno)); + return ret; +} + +FILE *xfdopen(int fd, const char *mode) +{ + FILE *stream = fdopen(fd, mode); + if (stream == NULL) + die("Out of memory? fdopen failed: %s", strerror(errno)); + return stream; +} + +int xmkstemp(char *template) +{ + int fd; + + fd = mkstemp(template); + if (fd < 0) + die("Unable to create temporary file: %s", strerror(errno)); + return fd; +} diff --git a/write_or_die.c b/write_or_die.c index 32f9914020..e4c8e225fd 100644 --- a/write_or_die.c +++ b/write_or_die.c @@ -34,7 +34,12 @@ void maybe_flush_or_die(FILE *f, const char *desc) return; } if (fflush(f)) { - if (errno == EPIPE) + /* + * On Windows, EPIPE is returned only by the first write() + * after the reading end has closed its handle; subsequent + * write()s return EINVAL. + */ + if (errno == EPIPE || errno == EINVAL) exit(0); die("write failure on %s: %s", desc, strerror(errno)); } @@ -78,6 +83,13 @@ ssize_t write_in_full(int fd, const void *buf, size_t count) return total; } +void fsync_or_die(int fd, const char *msg) +{ + if (fsync(fd) < 0) { + die("%s: fsync error (%s)", msg, strerror(errno)); + } +} + void write_or_die(int fd, const void *buf, size_t count) { if (write_in_full(fd, buf, count) < 0) { @@ -117,9 +117,9 @@ char *whitespace_error_string(unsigned ws) } /* If stream is non-NULL, emits the line after checking. */ -unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule, - FILE *stream, const char *set, - const char *reset, const char *ws) +static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule, + FILE *stream, const char *set, + const char *reset, const char *ws) { unsigned result = 0; int written = 0; @@ -213,6 +213,33 @@ unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule, return result; } +void ws_check_emit(const char *line, int len, unsigned ws_rule, + FILE *stream, const char *set, + const char *reset, const char *ws) +{ + (void)ws_check_emit_1(line, len, ws_rule, stream, set, reset, ws); +} + +unsigned ws_check(const char *line, int len, unsigned ws_rule) +{ + return ws_check_emit_1(line, len, ws_rule, NULL, NULL, NULL, NULL); +} + +int ws_blank_line(const char *line, int len, unsigned ws_rule) +{ + /* + * We _might_ want to treat CR differently from other + * whitespace characters when ws_rule has WS_CR_AT_EOL, but + * for now we just use this stupid definition. + */ + while (len-- > 0) { + if (!isspace(*line)) + return 0; + line++; + } + return 1; +} + /* Copy the line to the buffer while fixing whitespaces */ int ws_fix_copy(char *dst, const char *src, int len, unsigned ws_rule, int *error_count) { diff --git a/wt-status.c b/wt-status.c index a44c543375..e7d42d0491 100644 --- a/wt-status.c +++ b/wt-status.c @@ -18,6 +18,7 @@ static char wt_status_colors[][COLOR_MAXLEN] = { "\033[32m", /* WT_STATUS_UPDATED: green */ "\033[31m", /* WT_STATUS_CHANGED: red */ "\033[31m", /* WT_STATUS_UNTRACKED: red */ + "\033[31m", /* WT_STATUS_NOBRANCH: red */ }; static const char use_add_msg[] = @@ -26,6 +27,7 @@ static const char use_add_rm_msg[] = "use \"git add/rm <file>...\" to update what will be committed"; static const char use_add_to_include_msg[] = "use \"git add <file>...\" to include in what will be committed"; +enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; static int parse_status_slot(const char *var, int offset) { @@ -38,6 +40,8 @@ static int parse_status_slot(const char *var, int offset) return WT_STATUS_CHANGED; if (!strcasecmp(var+offset, "untracked")) return WT_STATUS_UNTRACKED; + if (!strcasecmp(var+offset, "nobranch")) + return WT_STATUS_NOBRANCH; die("bad config variable '%s'", var); } @@ -314,8 +318,9 @@ static void wt_status_print_verbose(struct wt_status *s) void wt_status_print(struct wt_status *s) { unsigned char sha1[20]; - s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0; + const char *branch_color = color(WT_STATUS_HEADER); + s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0; if (s->branch) { const char *on_what = "On branch "; const char *branch_name = s->branch; @@ -323,10 +328,11 @@ void wt_status_print(struct wt_status *s) branch_name += 11; else if (!strcmp(branch_name, "HEAD")) { branch_name = ""; + branch_color = color(WT_STATUS_NOBRANCH); on_what = "Not currently on any branch."; } - color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), - "# %s%s", on_what, branch_name); + color_fprintf(s->fp, color(WT_STATUS_HEADER), "# "); + color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name); } if (s->is_initial) { @@ -342,7 +348,10 @@ void wt_status_print(struct wt_status *s) wt_status_print_changed(s); if (wt_status_submodule_summary) wt_status_print_submodule_summary(s); - wt_status_print_untracked(s); + if (show_untracked_files) + wt_status_print_untracked(s); + else if (s->commitable) + fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n"); if (s->verbose && !s->is_initial) wt_status_print_verbose(s); @@ -357,12 +366,14 @@ void wt_status_print(struct wt_status *s) printf("nothing added to commit but untracked files present (use \"git add\" to track)\n"); else if (s->is_initial) printf("nothing to commit (create/copy files and use \"git add\" to track)\n"); + else if (!show_untracked_files) + printf("nothing to commit (use -u to show untracked files)\n"); else printf("nothing to commit (working directory clean)\n"); } } -int git_status_config(const char *k, const char *v) +int git_status_config(const char *k, const char *v, void *cb) { if (!strcmp(k, "status.submodulesummary")) { int is_bool; @@ -386,5 +397,18 @@ int git_status_config(const char *k, const char *v) wt_status_relative_paths = git_config_bool(k, v); return 0; } - return git_color_default_config(k, v); + if (!strcmp(k, "status.showuntrackedfiles")) { + if (!v) + return config_error_nonbool(k); + else if (!strcmp(v, "no")) + show_untracked_files = SHOW_NO_UNTRACKED_FILES; + else if (!strcmp(v, "normal")) + show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; + else if (!strcmp(v, "all")) + show_untracked_files = SHOW_ALL_UNTRACKED_FILES; + else + return error("Invalid untracked files mode '%s'", v); + return 0; + } + return git_color_default_config(k, v, cb); } diff --git a/wt-status.h b/wt-status.h index 7d61410b17..78add09bd6 100644 --- a/wt-status.h +++ b/wt-status.h @@ -8,8 +8,16 @@ enum color_wt_status { WT_STATUS_UPDATED, WT_STATUS_CHANGED, WT_STATUS_UNTRACKED, + WT_STATUS_NOBRANCH, }; +enum untracked_status_type { + SHOW_NO_UNTRACKED_FILES, + SHOW_NORMAL_UNTRACKED_FILES, + SHOW_ALL_UNTRACKED_FILES +}; +extern enum untracked_status_type show_untracked_files; + struct wt_status { int is_initial; char *branch; @@ -27,7 +35,7 @@ struct wt_status { const char *prefix; }; -int git_status_config(const char *var, const char *value); +int git_status_config(const char *var, const char *value, void *cb); extern int wt_status_use_color; extern int wt_status_relative_paths; void wt_status_prepare(struct wt_status *s); |