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* Merge branch 'nd/split-index'Junio C Hamano2014-07-1614-77/+98
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An experiment to use two files (the base file and incremental changes relative to it) to represent the index to reduce I/O cost of rewriting a large index when only small part of the working tree changes. * nd/split-index: (32 commits) t1700: new tests for split-index mode t2104: make sure split index mode is off for the version test read-cache: force split index mode with GIT_TEST_SPLIT_INDEX read-tree: note about dropping split-index mode or index version read-tree: force split-index mode off on --index-output rev-parse: add --shared-index-path to get shared index path update-index --split-index: do not split if $GIT_DIR is read only update-index: new options to enable/disable split index mode split-index: strip pathname of on-disk replaced entries split-index: do not invalidate cache-tree at read time split-index: the reading part split-index: the writing part read-cache: mark updated entries for split index read-cache: save deleted entries in split index read-cache: mark new entries for split index read-cache: split-index mode read-cache: save index SHA-1 after reading entry.c: update cache_changed if refresh_cache is set in checkout_entry() cache-tree: mark istate->cache_changed on prime_cache_tree() cache-tree: mark istate->cache_changed on cache tree update ...
| * read-tree: note about dropping split-index mode or index versionNguyễn Thái Ngọc Duy2014-06-131-0/+9
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * rev-parse: add --shared-index-path to get shared index pathNguyễn Thái Ngọc Duy2014-06-131-0/+10
| | | | | | | | | | | | | | | | | | | | | | Normally scripts do not have to be aware about split indexes because all shared indexes are in $GIT_DIR. A simple "mv $tmp_index $GIT_DIR/somewhere" is enough. Scripts that generate temporary indexes and move them across repos must be aware about split index and copy the shared file as well. This option enables that. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * update-index: new options to enable/disable split index modeNguyễn Thái Ngọc Duy2014-06-131-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | If you have a large work tree but only make changes in a subset, then $GIT_DIR/index's size should be stable after a while. If you change branches that touch something else, $GIT_DIR/index's size may grow large that it becomes as slow as the unified index. Do --split-index again occasionally to force all changes back to the shared index and keep $GIT_DIR/index small. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * read-cache: mark updated entries for split indexNguyễn Thái Ngọc Duy2014-06-131-0/+2
| | | | | | | | | | | | | | | | | | | | The large part of this patch just follows CE_ENTRY_CHANGED marks. replace_index_entry() is updated to update split_index->base->cache[] as well so base->cache[] does not reference to a freed entry. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * entry.c: update cache_changed if refresh_cache is set in checkout_entry()Nguyễn Thái Ngọc Duy2014-06-133-3/+7
| | | | | | | | | | | | | | | | Other fill_stat_cache_info() is on new entries, which should set CE_ENTRY_ADDED in cache_changed, so we're safe. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * cache-tree: mark istate->cache_changed on prime_cache_tree()Nguyễn Thái Ngọc Duy2014-06-132-2/+2
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * cache-tree: mark istate->cache_changed on cache tree invalidationNguyễn Thái Ngọc Duy2014-06-132-3/+3
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * update-index: be specific what part of the index has changedNguyễn Thái Ngọc Duy2014-06-131-3/+3
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * read-cache: be specific what part of the index has changedNguyễn Thái Ngọc Duy2014-06-131-3/+3
| | | | | | | | | | | | | | | | | | cache entry additions, removals and modifications are separated out. The rest of changes are still in the catch-all flag SOMETHING_CHANGED, which would be more specific later. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * read-cache: new API write_locked_index instead of write_index/write_cacheNguyễn Thái Ngọc Duy2014-06-1312-66/+44
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'mg/verify-commit'Junio C Hamano2014-07-102-4/+94
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add 'verify-commit' to be used in a way similar to 'verify-tag' is used. Further work on verifying the mergetags might be needed. * mg/verify-commit: t7510: test verify-commit t7510: exit for loop with test result verify-commit: scriptable commit signature verification gpg-interface: provide access to the payload gpg-interface: provide clear helper for struct signature_check
| * | verify-commit: scriptable commit signature verificationMichael J Gruber2014-06-231-0/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit signatures can be verified using "git show -s --show-signature" or the "%G?" pretty format and parsing the output, which is well suited for user inspection, but not for scripting. Provide a command "verify-commit" which is analogous to "verify-tag": It returns 0 for good signatures and non-zero otherwise, has the gpg output on stderr and (optionally) the commit object on stdout, sans the signature, just like "verify-tag" does. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | gpg-interface: provide clear helper for struct signature_checkMichael J Gruber2014-06-231-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | The struct has been growing members whose malloced memory needs to be freed. Do this with one helper function so that no malloced memory shall be left unfreed. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'jc/fix-clone-single-starting-at-a-tag'Junio C Hamano2014-07-101-1/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git clone -b brefs/tags/bar" would have mistakenly thought we were following a single tag, even though it was a name of the branch, because it incorrectly used strstr(). * jc/fix-clone-single-starting-at-a-tag: builtin/clone.c: detect a clone starting at a tag correctly
| * | | builtin/clone.c: detect a clone starting at a tag correctlyjc/fix-clone-single-starting-at-a-tagJunio C Hamano2014-06-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 31b808a0 (clone --single: limit the fetch refspec to fetched branch, 2012-09-20) tried to see if the given "branch" to follow is actually a tag at the remote repository by checking with "refs/tags/" but it incorrectly used strstr(3); it is actively wrong to treat a "branch" "refs/heads/refs/tags/foo" and use the logic for the "refs/tags/" ref hierarchy. What the code really wanted to do is to see if it starts with "refs/tags/". Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'jk/xstrfmt'Junio C Hamano2014-07-096-29/+11
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * jk/xstrfmt: setup_git_env(): introduce git_path_from_env() helper unique_path: fix unlikely heap overflow walker_fetch: fix minor memory leak merge: use argv_array when spawning merge strategy sequencer: use argv_array_pushf setup_git_env: use git_pathdup instead of xmalloc + sprintf use xstrfmt to replace xmalloc + strcpy/strcat use xstrfmt to replace xmalloc + sprintf use xstrdup instead of xmalloc + strcpy use xstrfmt in favor of manual size calculations strbuf: add xstrfmt helper
| * | | | use xstrfmt to replace xmalloc + strcpy/strcatJeff King2014-06-193-14/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's easy to get manual allocation calculations wrong, and the use of strcpy/strcat raise red flags for people looking for buffer overflows (though in this case each site was fine). It's also shorter to use xstrfmt, and the printf-format tends to be easier for a reader to see what the final string will look like. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | use xstrfmt to replace xmalloc + sprintfJeff King2014-06-192-11/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is one line shorter, and makes sure the length in the malloc and sprintf steps match. These conversions are very straightforward; we can drop the malloc entirely, and replace the sprintf with xstrfmt. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | use xstrdup instead of xmalloc + strcpyJeff King2014-06-191-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is one line shorter, and makes sure the length in the malloc and copy steps match. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'jk/skip-prefix'Junio C Hamano2014-07-099-32/+32
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * jk/skip-prefix: http-push: refactor parsing of remote object names imap-send: use skip_prefix instead of using magic numbers use skip_prefix to avoid repeated calculations git: avoid magic number with skip_prefix fetch-pack: refactor parsing in get_ack fast-import: refactor parsing of spaces stat_opt: check extra strlen call daemon: use skip_prefix to avoid magic numbers fast-import: use skip_prefix for parsing input use skip_prefix to avoid repeating strings use skip_prefix to avoid magic numbers transport-helper: avoid reading past end-of-string fast-import: fix read of uninitialized argv memory apply: use skip_prefix instead of raw addition refactor skip_prefix to return a boolean avoid using skip_prefix as a boolean daemon: mark some strings as const parse_diff_color_slot: drop ofs parameter
| * | | | | use skip_prefix to avoid repeating stringsJeff King2014-06-203-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's a common idiom to match a prefix and then skip past it with strlen, like: if (starts_with(foo, "bar")) foo += strlen("bar"); This avoids magic numbers, but means we have to repeat the string (and there is no compiler check that we didn't make a typo in one of the strings). We can use skip_prefix to handle this case without repeating ourselves. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | apply: use skip_prefix instead of raw additionJeff King2014-06-201-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A submodule diff generally has content like: -Subproject commit [0-9a-f]{40} +Subproject commit [0-9a-f]{40} When we are using "git apply --index" with a submodule, we first apply the textual diff, and then parse that result to figure out the new sha1. If the diff has bogus input like: -Subproject commit 1234567890123456789012345678901234567890 +bogus we will parse the "bogus" portion. Our parser assumes that the buffer starts with "Subproject commit", and blindly skips past it using strlen(). This can cause us to read random memory after the buffer. This problem was unlikely to have come up in practice (since it requires a malformed diff), and even when it did, we likely noticed the problem anyway as the next operation was to call get_sha1_hex on the random memory. However, we can easily fix it by using skip_prefix to notice the parsing error. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | refactor skip_prefix to return a booleanJeff King2014-06-206-18/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The skip_prefix() function returns a pointer to the content past the prefix, or NULL if the prefix was not found. While this is nice and simple, in practice it makes it hard to use for two reasons: 1. When you want to conditionally skip or keep the string as-is, you have to introduce a temporary variable. For example: tmp = skip_prefix(buf, "foo"); if (tmp) buf = tmp; 2. It is verbose to check the outcome in a conditional, as you need extra parentheses to silence compiler warnings. For example: if ((cp = skip_prefix(buf, "foo")) /* do something with cp */ Both of these make it harder to use for long if-chains, and we tend to use starts_with() instead. However, the first line of "do something" is often to then skip forward in buf past the prefix, either using a magic constant or with an extra strlen(3) (which is generally computed at compile time, but means we are repeating ourselves). This patch refactors skip_prefix() to return a simple boolean, and to provide the pointer value as an out-parameter. If the prefix is not found, the out-parameter is untouched. This lets you write: if (skip_prefix(arg, "foo ", &arg)) do_foo(arg); else if (skip_prefix(arg, "bar ", &arg)) do_bar(arg); Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | avoid using skip_prefix as a booleanJeff King2014-06-181-1/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no point in using: if (skip_prefix(buf, "foo")) over if (starts_with(buf, "foo")) as the point of skip_prefix is to return a pointer to the data after the prefix. Using starts_with is more readable, and will make refactoring skip_prefix easier. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | diff-tree: call free_commit_list() instead of duplicating its codeRené Scharfe2014-07-081-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'jk/commit-buffer-length'Junio C Hamano2014-07-0211-29/+47
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move "commit->buffer" out of the in-core commit object and keep track of their lengths. Use this to optimize the code paths to validate GPG signatures in commit objects. * jk/commit-buffer-length: reuse cached commit buffer when parsing signatures commit: record buffer length in cache commit: convert commit->buffer to a slab commit-slab: provide a static initializer use get_commit_buffer everywhere convert logmsg_reencode to get_commit_buffer use get_commit_buffer to avoid duplicate code use get_cached_commit_buffer where appropriate provide helpers to access the commit buffer provide a helper to set the commit buffer provide a helper to free commit buffer sequencer: use logmsg_reencode in get_message logmsg_reencode: return const buffer do not create "struct commit" with xcalloc commit: push commit_index update into alloc_commit_node alloc: include any-object allocations in alloc_report replace dangerous uses of strbuf_attach commit_tree: take a pointer/len pair rather than a const strbuf
| * | | | | commit: record buffer length in cacheJeff King2014-06-136-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most callsites which use the commit buffer try to use the cached version attached to the commit, rather than re-reading from disk. Unfortunately, that interface provides only a pointer to the NUL-terminated buffer, with no indication of the original length. For the most part, this doesn't matter. People do not put NULs in their commit messages, and the log code is happy to treat it all as a NUL-terminated string. However, some code paths do care. For example, when checking signatures, we want to be very careful that we verify all the bytes to avoid malicious trickery. This patch just adds an optional "size" out-pointer to get_commit_buffer and friends. The existing callers all pass NULL (there did not seem to be any obvious sites where we could avoid an immediate strlen() call, though perhaps with some further refactoring we could). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | use get_commit_buffer everywhereJeff King2014-06-133-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each of these sites assumes that commit->buffer is valid. Since they would segfault if this was not the case, they are likely to be correct in practice. However, we can future-proof them by using get_commit_buffer. And as a side effect, we abstract away the final bare uses of commit->buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | convert logmsg_reencode to get_commit_bufferJeff King2014-06-132-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like the callsites in the previous commit, logmsg_reencode already falls back to read_sha1_file when necessary. However, I split its conversion out into its own commit because it's a bit more complex. We return either: 1. The original commit->buffer 2. A newly allocated buffer from read_sha1_file 3. A reencoded buffer (based on either 1 or 2 above). while trying to do as few extra reads/allocations as possible. Callers currently free the result with logmsg_free, but we can simplify this by pointing them straight to unuse_commit_buffer. This is a slight layering violation, in that we may be passing a buffer from (3). However, since the end result is to free() anything except (1), which is unlikely to change, and because this makes the interface much simpler, it's a reasonable bending of the rules. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | use get_cached_commit_buffer where appropriateJeff King2014-06-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some call sites check commit->buffer to see whether we have a cached buffer, and if so, do some work with it. In the long run we may want to switch these code paths to make their decision on a different boolean flag (because checking the cache may get a little more expensive in the future). But for now, we can easily support them by converting the calls to use get_cached_commit_buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | provide a helper to set the commit bufferJeff King2014-06-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Right now this is just a one-liner, but abstracting it will make it easier to change later. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | provide a helper to free commit bufferJeff King2014-06-134-9/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This converts two lines into one at each caller. But more importantly, it abstracts the concept of freeing the buffer, which will make it easier to change later. Note that we also need to provide a "detach" mechanism for a tricky case in index-pack. We are passed a buffer for the object generated by processing the incoming pack. If we are not using --strict, we just calculate the sha1 on that buffer and return, leaving the caller to free it. But if we are using --strict, we actually attach that buffer to an object, pass the object to the fsck functions, and then detach the buffer from the object again (so that the caller can free it as usual). In this case, we don't want to free the buffer ourselves, but just make sure it is no longer associated with the commit. Note that we are making the assumption here that the attach/detach process does not impact the buffer at all (e.g., it is never reallocated or modified). That holds true now, and we have no plans to change that. However, as we abstract the commit_buffer code, this dependency becomes less obvious. So when we detach, let's also make sure that we get back the same buffer that we gave to the commit_buffer code. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | logmsg_reencode: return const bufferJeff King2014-06-122-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The return value from logmsg_reencode may be either a newly allocated buffer or a pointer to the existing commit->buffer. We would not want the caller to accidentally free() or modify the latter, so let's mark it as const. We can cast away the constness in logmsg_free, but only once we have determined that it is a free-able buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | do not create "struct commit" with xcallocJeff King2014-06-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In both blame and merge-recursive, we sometimes create a "fake" commit struct for convenience (e.g., to represent the HEAD state as if we would commit it). By allocating ourselves rather than using alloc_commit_node, we do not properly set the "index" field of the commit. This can produce subtle bugs if we then use commit-slab on the resulting commit, as we will share the "0" index with another commit. We can fix this by using alloc_commit_node() to allocate. Note that we cannot free the result, as it is part of our commit allocator. However, both cases were already leaking the allocated commit anyway, so there's nothing to fix up. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | commit_tree: take a pointer/len pair rather than a const strbufJeff King2014-06-123-8/+8
| | |_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While strbufs are pretty common throughout our code, it is more flexible for functions to take a pointer/len pair than a strbuf. It's easy to turn a strbuf into such a pair (by dereferencing its members), but less easy to go the other way (you can strbuf_attach, but that has implications about memory ownership). This patch teaches commit_tree (and its associated callers and sub-functions) to take such a pair for the commit message rather than a strbuf. This makes passing the buffer around slightly more verbose, but means we can get rid of some dangerous strbuf_attach calls in the next patch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | enums: remove trailing ',' after last item in enumRonnie Sahlberg2014-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'maint'Junio C Hamano2014-07-021-1/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint: t7300: repair filesystem permissions with test_when_finished enums: remove trailing ',' after last item in enum
| * \ \ \ \ Merge branch 'maint-1.8.5' into maintJunio C Hamano2014-07-021-1/+1
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint-1.8.5: t7300: repair filesystem permissions with test_when_finished enums: remove trailing ',' after last item in enum
| | * | | | | enums: remove trailing ',' after last item in enumRonnie Sahlberg2014-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | Merge branch 'jl/status-added-submodule-is-never-ignored' into maintJunio C Hamano2014-06-251-2/+16
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git status" (and "git commit") behaved as if changes in a modified submodule are not there if submodule.*.ignore configuration is set, which was misleading. The configuration is only to unclutter diff output during the course of development, and should not to hide changes in the "status" output to cause the users forget to commit them. * jl/status-added-submodule-is-never-ignored: commit -m: commit staged submodules regardless of ignore config status/commit: show staged submodules regardless of ignore config
| * \ \ \ \ \ \ Merge branch 'ym/fix-opportunistic-index-update-race' into maintJunio C Hamano2014-06-251-1/+1
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git status", even though it is a read-only operation, tries to update the index with refreshed lstat(2) info to optimize future accesses to the working tree opportunistically, but this could race with a "read-write" operation that modify the index while it is running. Detect such a race and avoid overwriting the index. * ym/fix-opportunistic-index-update-race: read-cache.c: verify index file before we opportunistically update it wrapper.c: add xpread() similar to xread()
| * \ \ \ \ \ \ \ Merge branch 'jl/remote-rm-prune' into maintJunio C Hamano2014-06-251-7/+30
| |\ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git remote rm" and "git remote prune" can involve removing many refs at once, which is not a very efficient thing to do when very many refs exist in the packed-refs file. * jl/remote-rm-prune: remote prune: optimize "dangling symref" check/warning remote: repack packed-refs once when deleting multiple refs remote rm: delete remote configuration as the last
| * \ \ \ \ \ \ \ \ Merge branch 'fc/rerere-conflict-style' into maintJunio C Hamano2014-06-251-0/+2
| |\ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git rerere forget" did not work well when merge.conflictstyle was set to a non-default value. * fc/rerere-conflict-style: rerere: fix for merge.conflictstyle
| * \ \ \ \ \ \ \ \ \ Merge branch 'dt/merge-recursive-case-insensitive' into maintJunio C Hamano2014-06-251-1/+2
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On a case insensitive filesystem, merge-recursive incorrectly deleted the file that is to be renamed to a name that is the same except for case differences. * dt/merge-recursive-case-insensitive: mv: allow renaming to fix case on case insensitive filesystems merge-recursive.c: fix case-changing merge bug
| * \ \ \ \ \ \ \ \ \ \ Merge branch 'rs/mailinfo-header-cmp' into maintJunio C Hamano2014-06-251-3/+3
| |\ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git mailinfo" used to read beyond the end of header string while parsing an incoming e-mail message to extract the patch. * rs/mailinfo-header-cmp: mailinfo: use strcmp() for string comparison
| * \ \ \ \ \ \ \ \ \ \ \ Merge branch 'jk/index-pack-report-missing' into maintJunio C Hamano2014-06-251-2/+7
| |\ \ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The error reporting from "git index-pack" has been improved to distinguish missing objects from type errors. * jk/index-pack-report-missing: index-pack: distinguish missing objects from type errors
| * \ \ \ \ \ \ \ \ \ \ \ \ Merge branch 'nd/index-pack-one-fd-per-thread' into maintJunio C Hamano2014-06-251-10/+17
| |\ \ \ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We used to disable threaded "git index-pack" on platforms without thread-safe pread(); use a different workaround for such platforms to allow threaded "git index-pack". * nd/index-pack-one-fd-per-thread: index-pack: work around thread-unsafe pread()
| * \ \ \ \ \ \ \ \ \ \ \ \ \ Merge branch 'sk/spawn-less-case-insensitively-from-grep-O-i' into maintJunio C Hamano2014-06-251-0/+3
| |\ \ \ \ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git grep -O" to show the lines that hit in the pager did not work well with case insensitive search. We now spawn "less" with its "-I" option when it is used as the pager (which is the default). * sk/spawn-less-case-insensitively-from-grep-O-i: git grep -O -i: if the pager is 'less', pass the '-I' option
| * \ \ \ \ \ \ \ \ \ \ \ \ \ \ Merge branch 'nd/daemonize-gc' into maintJunio C Hamano2014-06-251-6/+20
| |\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git gc --auto" was recently changed to run in the background to give control back early to the end-user sitting in front of the terminal, but it forgot that housekeeping involving reflogs should be done without other processes competing for accesses to the refs. * nd/daemonize-gc: gc --auto: do not lock refs in the background