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* submodule: fixup nested submodules after moving the submodulesb/submodule-move-nestedStefan Beller2018-03-292-4/+5
| | | | | | | | | | | | | | | | | | | | connect_work_tree_and_git_dir is used to connect a submodule worktree with its git directory and vice versa after events that require a reconnection such as moving around the working tree. As submodules can have nested submodules themselves, we'd also want to fix the nested submodules when asked to. Add an option to recurse into the nested submodules and connect them as well. As submodules are identified by their name (which determines their git directory in relation to their superproject's git directory) internally and by their path in the working tree of the superproject, we need to make sure that the mapping of name <-> path is kept intact. We can do that in the git-mv command by writing out the gitmodules file first and then forcing a reload of the submodule config machinery. Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* submodule-config: add repository argument to submodule_from_{name, path}Stefan Beller2018-03-291-7/+7
| | | | | | | | | | | | | This enables submodule_from_{name, path} to handle arbitrary repositories. All callers just pass in the_repository, a later patch will pass in other repos. While at it remove the extern key word from the declarations. Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* submodule-config: allow submodule_free to handle arbitrary repositoriesStefan Beller2018-03-291-1/+1
| | | | | | | | | | | | | At some point we may want to rename the function so that it describes what it actually does as 'submodule_free' doesn't quite describe that this clears a repository's submodule cache. But that's beyond the scope of this series. While at it remove the extern key word from its declaration. Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* grep: remove "repo" arg from non-supporting funcsJonathan Tan2018-03-291-7/+5
| | | | | | | | | | | | | | | | | | | | | | | | As part of commit f9ee2fcdfa ("grep: recurse in-process using 'struct repository'", 2017-08-02), many functions in builtin/grep.c were converted to also take "struct repository *" arguments. Among them were grep_object() and grep_objects(). However, at least grep_objects() was converted incompletely - it calls gitmodules_config_oid(), which references the_repository. But it turns out that the conversion was extraneous anyway - there has been no user-visible effect - because grep_objects() is never invoked except with the_repository. This is because grepping through objects cannot be done recursively into submodules. Revert the changes to grep_objects() and grep_object() (which conversion is also extraneous) to show that both these functions do not support repositories other than the_repository. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* sha1_file: add repository argument to prepare_alt_odbStefan Beller2018-03-261-1/+1
| | | | | | | | | | See previous patch for explanation. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* object-store: close all packs upon clearing the object storeStefan Beller2018-03-265-5/+5
| | | | | | | Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* object-store: move packed_git and packed_git_mru to object storeStefan Beller2018-03-266-16/+27
| | | | | | | | | | | | | | | | In a process with multiple repositories open, packfile accessors should be associated to a single repository and not shared globally. Move packed_git and packed_git_mru into the_repository and adjust callers to reflect this. [nd: while at there, wrap access to these two fields in get_packed_git() and get_packed_git_mru(). This allows us to lazily initialize these fields without caller doing that explicitly] Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* object-store: move alt_odb_list and alt_odb_tail to object storeStefan Beller2018-03-231-0/+4
| | | | | | | | | | | | | | | | | | In a process with multiple repositories open, alternates should be associated to a single repository and not shared globally. Move alt_odb_list and alt_odb_tail into the_repository and adjust callers to reflect this. Now that the alternative object data base is per repository, we're leaking its memory upon freeing a repository. The next patch plugs this hole. No functional change intended. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* object-store: migrate alternates struct and functions from cache.hStefan Beller2018-03-234-0/+4
| | | | | | | | | | | | | Migrate the struct alternate_object_database and all its related functions to the object store as these functions are easier found in that header. The migration is just a verbatim copy, no need to include the object store header at any C file, because cache.h includes repository.h which in turn includes the object-store.h Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* repository: introduce raw object store fieldStefan Beller2018-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | The raw object store field will contain any objects needed for access to objects in a given repository. This patch introduces the raw object store and populates it with the `objectdir`, which used to be part of the repository struct. As the struct gains members, we'll also populate the function to clear the memory for these members. In a later step, we'll introduce a struct object_parser, that will complement the object parsing in a repository struct: The raw object parser is the layer that will provide access to raw object content, while the higher level object parser code will parse raw objects and keeps track of parenthood and other object relationships using 'struct object'. For now only add the lower level to the repository struct. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'pw/sequencer-in-process-commit'Junio C Hamano2018-02-133-263/+34
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sequencer infrastructure is shared across "git cherry-pick", "git rebase -i", etc., and has always spawned "git commit" when it needs to create a commit. It has been taught to do so internally, when able, by reusing the codepath "git commit" itself uses, which gives performance boost for a few tens of percents in some sample scenarios. * pw/sequencer-in-process-commit: sequencer: run 'prepare-commit-msg' hook t7505: add tests for cherry-pick and rebase -i/-p t7505: style fixes sequencer: assign only free()able strings to gpg_sign sequencer: improve config handling t3512/t3513: remove KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT=1 sequencer: try to commit without forking 'git commit' sequencer: load commit related config sequencer: simplify adding Signed-off-by: trailer commit: move print_commit_summary() to libgit commit: move post-rewrite code to libgit Add a function to update HEAD after creating a commit commit: move empty message checks to libgit t3404: check intermediate squash messages
| * sequencer: run 'prepare-commit-msg' hookpw/sequencer-in-process-commitPhillip Wood2018-01-241-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 356ee4659b ("sequencer: try to commit without forking 'git commit'", 2017-11-24) forgot to run the 'prepare-commit-msg' hook when creating the commit. Fix this by writing the commit message to a different file and running the hook. Using a different file means that if the commit is cancelled the original message file is unchanged. Also move the checks for an empty commit so the order matches 'git commit'. Reported-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * sequencer: improve config handlingPhillip Wood2017-12-132-25/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous config handling relied on global variables, called git_default_config() even when the key had already been handled by git_sequencer_config() and did not initialize the diff configuration variables. Improve this by: i) loading the default values for message cleanup and gpg signing of commits into struct replay_opts; ii) restructuring the code to return immediately once a key is handled; and iii) calling git_diff_basic_config(). Note that unfortunately it is not possible to return early if the key is handled by git_gpg_config() as it does not indicate to the caller if the key has been handled or not. The sequencer should probably have been calling git_diff_basic_config() before as it creates a patch when there are conflicts. The shell version uses 'diff-tree' to create the patch so calling git_diff_basic_config() should match that. Although 'git commit' calls git_diff_ui_config() I don't think the output of print_commit_summary() is affected by anything that is loaded by that as print_commit_summary() always turns on rename detection so would ignore the value in the user's configuration anyway. The other values loaded by git_diff_ui_config() are about the formatting of patches so are not relevant to print_commit_summary(). Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * sequencer: load commit related configPhillip Wood2017-11-242-3/+25
| | | | | | | | | | | | | | | | | | | | Load default values for message cleanup and gpg signing of commits in preparation for committing without forking 'git commit'. Note that we interpret commit.cleanup=scissors to mean COMMIT_MSG_CLEANUP_SPACE to be consistent with 'git commit' Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * commit: move print_commit_summary() to libgitPhillip Wood2017-11-241-119/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move print_commit_summary() from builtin/commit.c to sequencer.c so it can be shared with other commands. The function is modified by changing the last argument to a flag so callers can specify whether they want to show the author date in addition to specifying if this is an initial commit. If the sequencer dies in print_commit_summary() (which can only happen when cherry-picking or reverting) then neither the todo list nor the abort safety file are updated to reflect the commit that was just made. print_commit_summary() can die if: - The commit that was just created cannot be found or parsed. - HEAD cannot be resolved either because some other process is updating it (which is bad news in the middle of a cherry-pick) or because it is corrupt. - log_tree_commit() cannot read some objects. In all those cases dying will leave the sequencer in a sane state for aborting; 'git cherry-pick --abort' will rewind HEAD to the last successful commit before there was a problem with HEAD or the object database. If the user somehow fixes the problem and runs 'git cherry-pick --continue' then the sequencer will try and pick the same commit again which may or may not be what the user wants depending on what caused print_commit_summary() to die. If print_commit_summary() returned an error instead then update_abort_safety_file() would try to resolve HEAD which may or may not be successful. If it is successful then running 'git rebase --abort' would not rewind HEAD to the last successful commit which is not what we want. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * commit: move post-rewrite code to libgitPhillip Wood2017-11-181-41/+1
| | | | | | | | | | | | | | | | | | | | | | | | Move run_rewrite_hook() from bulitin/commit.c to sequencer.c so it can be shared with other commands and add a new function commit_post_rewrite() based on the code in builtin/commit.c that encapsulates rewriting notes and running the post-rewrite hook. Once the sequencer learns how to create commits without forking 'git commit' these functions will be used when squashing commits. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * Add a function to update HEAD after creating a commitPhillip Wood2017-11-181-18/+2
| | | | | | | | | | | | | | | | | | Add update_head_with_reflog() based on the code that updates HEAD after committing in builtin/commit.c that can be called by 'git commit' and other commands. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * commit: move empty message checks to libgitPhillip Wood2017-11-111-80/+19
| | | | | | | | | | | | | | | | | | | | Move the functions that check for empty messages from bulitin/commit.c to sequencer.c so they can be shared with other commands. The functions are refactored to take an explicit cleanup mode and template filename passed by the caller. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'nd/trace-with-env'Junio C Hamano2018-02-132-3/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The tracing machinery learned to report tweaking of environment variables as well. * nd/trace-with-env: run-command.c: print new cwd in trace_run_command() run-command.c: print env vars in trace_run_command() run-command.c: print program 'git' when tracing git_cmd mode run-command.c: introduce trace_run_command() trace.c: move strbuf_release() out of print_trace_line() trace: avoid unnecessary quoting sq_quote_argv: drop maxlen parameter
| * | sq_quote_argv: drop maxlen parameterJeff King2018-01-162-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No caller passes anything but "0" for this parameter, which requests that the function ignore it completely. In fact, in all of history there was only one such caller, and it went away in 7f51f8bc2b (alias: use run_command api to execute aliases, 2011-01-07). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'pc/submodule-helper'Junio C Hamano2018-02-131-0/+340
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rewrite two more "git submodule" subcommands in C. * pc/submodule-helper: submodule: port submodule subcommand 'deinit' from shell to C submodule: port submodule subcommand 'sync' from shell to C
| * | | submodule: port submodule subcommand 'deinit' from shell to CPrathamesh Chavan2018-01-161-0/+147
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The same mechanism is used even for porting this submodule subcommand, as used in the ported subcommands till now. The function cmd_deinit in split up after porting into four functions: module_deinit(), for_each_listed_submodule(), deinit_submodule() and deinit_submodule_cb(). Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Stefan Beller <sbeller@google.com> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | submodule: port submodule subcommand 'sync' from shell to CPrathamesh Chavan2018-01-161-0/+193
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Port the submodule subcommand 'sync' from shell to C using the same mechanism as that used for porting submodule subcommand 'status'. Hence, here the function cmd_sync() is ported from shell to C. This is done by introducing four functions: module_sync(), sync_submodule(), sync_submodule_cb() and print_default_remote(). The function print_default_remote() is introduced for getting the default remote as stdout. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Stefan Beller <sbeller@google.com> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'rs/describe-unique-abbrev'Junio C Hamano2018-02-131-1/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | Code clean-up. * rs/describe-unique-abbrev: describe: use strbuf_add_unique_abbrev() for adding short hashes
| * | | describe: use strbuf_add_unique_abbrev() for adding short hashesrs/describe-unique-abbrevRené Scharfe2018-01-161-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Call strbuf_add_unique_abbrev() to add an abbreviated hash to a strbuf instead of taking a detour through find_unique_abbrev() and its static buffer. This is shorter and a bit more efficient. Patch generated by Coccinelle (and contrib/coccinelle/strbuf.cocci). Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'gs/retire-mru'Junio C Hamano2018-02-131-5/+4
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Retire mru API as it does not give enough abstraction over underlying list API to be worth it. * gs/retire-mru: mru: Replace mru.[ch] with list.h implementation
| * | | mru: Replace mru.[ch] with list.h implementationgs/retire-mruGargi Sharma2018-01-241-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the custom calls to mru.[ch] with calls to list.h. This patch is the final step in removing the mru API completely and inlining the logic. This patch leads to significant code reduction and the mru API hence, is not a useful abstraction anymore. Signed-off-by: Gargi Sharma <gs051095@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'ot/mru-on-list'Junio C Hamano2018-02-131-2/+3
|\ \ \ \ | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | The first step to getting rid of mru API and using the doubly-linked list API directly instead. * ot/mru-on-list: mru: use double-linked list from list.h
| * | | mru: use double-linked list from list.hot/mru-on-listOlga Telezhnaya2017-10-011-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify mru.[ch] and related code by reusing the double-linked list implementation from list.h instead of a custom one. This commit is an intermediate step. Our final goal is to get rid of mru.[ch] at all and inline all logic. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored by: Jeff King <peff@peff.net> Signed-off-by: Olga Telezhnaia <olyatelezhnaya@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'jh/partial-clone'Junio C Hamano2018-02-134-9/+106
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The machinery to clone & fetch, which in turn involves packing and unpacking objects, have been told how to omit certain objects using the filtering mechanism introduced by the jh/object-filtering topic, and also mark the resulting pack as a promisor pack to tolerate missing objects, taking advantage of the mechanism introduced by the jh/fsck-promisors topic. * jh/partial-clone: t5616: test bulk prefetch after partial fetch fetch: inherit filter-spec from partial clone t5616: end-to-end tests for partial clone fetch-pack: restore save_commit_buffer after use unpack-trees: batch fetching of missing blobs clone: partial clone partial-clone: define partial clone settings in config fetch: support filters fetch: refactor calculation of remote list fetch-pack: test support excluding large blobs fetch-pack: add --no-filter fetch-pack, index-pack, transport: partial clone upload-pack: add object filtering for partial clone
| * | | | fetch: inherit filter-spec from partial cloneJeff Hostetler2017-12-083-5/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach (partial) fetch to inherit the filter-spec used by the partial clone. Extend --no-filter to override this inheritance. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | clone: partial cloneJonathan Tan2017-12-081-2/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fetch: support filtersJeff Hostetler2017-12-081-2/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach fetch to support filters. This is only allowed for the remote configured in extensions.partialcloneremote. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fetch: refactor calculation of remote listJonathan Tan2017-12-081-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Separate out the calculation of remotes to be fetched from and the actual fetching. This will allow us to include an additional step before the actual fetching in a subsequent commit. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fetch-pack: add --no-filterJeff Hostetler2017-12-081-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixup fetch-pack to accept --no-filter to be consistent with rev-list and pack-objects. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fetch-pack, index-pack, transport: partial cloneJeff Hostetler2017-12-081-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'jh/fsck-promisors'Junio C Hamano2018-02-139-56/+217
|\ \ \ \ \ | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for implementing narrow/partial clone, the machinery for checking object connectivity used by gc and fsck has been taught that a missing object is OK when it is referenced by a packfile specially marked as coming from trusted repository that promises to make them available on-demand and lazily. * jh/fsck-promisors: gc: do not repack promisor packfiles rev-list: support termination at promisor objects sha1_file: support lazily fetching missing objects introduce fetch-object: fetch one promisor object index-pack: refactor writing of .keep files fsck: support promisor objects as CLI argument fsck: support referenced promisor objects fsck: support refs pointing to promisor objects fsck: introduce partialclone extension extension.partialclone: introduce partial clone extension
| * | | | gc: do not repack promisor packfilesJonathan Tan2017-12-084-4/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach gc to stop traversal at promisor objects, and to leave promisor packfiles alone. This has the effect of only repacking non-promisor packfiles, and preserves the distinction between promisor packfiles and non-promisor packfiles. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | rev-list: support termination at promisor objectsJonathan Tan2017-12-081-6/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach rev-list to support termination of an object traversal at any object from a promisor remote (whether one that the local repo also has, or one that the local repo knows about because it has another promisor object that references it). This will be used subsequently in gc and in the connectivity check used by fetch. For efficiency, if an object is referenced by a promisor object, and is in the local repo only as a non-promisor object, object traversal will not stop there. This is to avoid building the list of promisor object references. (In list-objects.c, the case where obj is NULL in process_blob() and process_tree() do not need to be changed because those happen only when there is a conflict between the expected type and the existing object. If the object doesn't exist, an object will be synthesized, which is fine.) Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | sha1_file: support lazily fetching missing objectsJonathan Tan2017-12-084-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach sha1_file to fetch objects from the remote configured in extensions.partialclone whenever an object is requested but missing. The fetching of objects can be suppressed through a global variable. This is used by fsck and index-pack. However, by default, such fetching is not suppressed. This is meant as a temporary measure to ensure that all Git commands work in such a situation. Future patches will update some commands to either tolerate missing objects (without fetching them) or be more efficient in fetching them. In order to determine the code changes in sha1_file.c necessary, I investigated the following: (1) functions in sha1_file.c that take in a hash, without the user regarding how the object is stored (loose or packed) (2) functions in packfile.c (because I need to check callers that know about the loose/packed distinction and operate on both differently, and ensure that they can handle the concept of objects that are neither loose nor packed) (1) is handled by the modification to sha1_object_info_extended(). For (2), I looked at for_each_packed_object and others. For for_each_packed_object, the callers either already work or are fixed in this patch: - reachable - only to find recent objects - builtin/fsck - already knows about missing objects - builtin/cat-file - warning message added in this commit Callers of the other functions do not need to be changed: - parse_pack_index - http - indirectly from http_get_info_packs - find_pack_entry_one - this searches a single pack that is provided as an argument; the caller already knows (through other means) that the sought object is in a specific pack - find_sha1_pack - fast-import - appears to be an optimization to not store a file if it is already in a pack - http-walker - to search through a struct alt_base - http-push - to search through remote packs - has_sha1_pack - builtin/fsck - already knows about promisor objects - builtin/count-objects - informational purposes only (check if loose object is also packed) - builtin/prune-packed - check if object to be pruned is packed (if not, don't prune it) - revision - used to exclude packed objects if requested by user - diff - just for optimization Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | introduce fetch-object: fetch one promisor objectJonathan Tan2017-12-052-3/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce fetch-object, providing the ability to fetch one object from a promisor remote. This uses fetch-pack. To do this, the transport mechanism has been updated with 2 flags, "from-promisor" to indicate that the resulting pack comes from a promisor remote (and thus should be annotated as such by index-pack), and "no-dependents" to indicate that only the objects themselves need to be fetched (but fetching additional objects is nevertheless safe). Whenever "no-dependents" is used, fetch-pack will refrain from using any object flags, because it is most likely invoked as part of a dynamic object fetch by another Git command (which may itself use object flags). An alternative to this is to leave fetch-pack alone, and instead update the allocation of flags so that fetch-pack's flags never overlap with any others, but this will end up shrinking the number of flags available to nearly every other Git command (that is, every Git command that accesses objects), so the approach in this commit was used instead. This will be tested in a subsequent commit. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | index-pack: refactor writing of .keep filesJonathan Tan2017-12-051-46/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In a subsequent commit, index-pack will be taught to write ".promisor" files which are similar to the ".keep" files it knows how to write. Refactor the writing of ".keep" files, so that the implementation of writing ".promisor" files becomes easier. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fsck: support promisor objects as CLI argumentJonathan Tan2017-12-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach fsck to not treat missing promisor objects provided on the CLI as an error when extensions.partialclone is set. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fsck: support referenced promisor objectsJonathan Tan2017-12-051-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach fsck to not treat missing promisor objects indirectly pointed to by refs as an error when extensions.partialclone is set. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fsck: support refs pointing to promisor objectsJonathan Tan2017-12-051-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach fsck to not treat refs referring to missing promisor objects as an error when extensions.partialclone is set. For the purposes of warning about no default refs, such refs are still treated as legitimate refs. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | fsck: introduce partialclone extensionJonathan Tan2017-12-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, Git does not support repos with very large numbers of objects or repos that wish to minimize manipulation of certain blobs (for example, because they are very large) very well, even if the user operates mostly on part of the repo, because Git is designed on the assumption that every referenced object is available somewhere in the repo storage. In such an arrangement, the full set of objects is usually available in remote storage, ready to be lazily downloaded. Teach fsck about the new state of affairs. In this commit, teach fsck that missing promisor objects referenced from the reflog are not an error case; in future commits, fsck will be taught about other cases. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'ab/commit-m-with-fixup'Junio C Hamano2018-01-231-3/+5
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git commit --fixup" did not allow "-m<message>" option to be used at the same time; allow it to annotate resulting commit with more text. * ab/commit-m-with-fixup: commit: add support for --fixup <commit> -m"<extra message>" commit doc: document that -c, -C, -F and --fixup with -m error
| * | | | | commit: add support for --fixup <commit> -m"<extra message>"ab/commit-m-with-fixupÆvar Arnfjörð Bjarmason2017-12-221-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for supplying the -m option with --fixup. Doing so has errored out ever since --fixup was introduced. Before this, the only way to amend the fixup message while committing was to use --edit and amend it in the editor. The use-case for this feature is one of: * Leaving a quick note to self when creating a --fixup commit when it's not self-evident why the commit should be squashed without a note into another one. * (Ab)using the --fixup feature to "fix up" commits that have already been pushed to a branch that doesn't allow non-fast-forwards, i.e. just noting "this should have been part of that other commit", and if the history ever got rewritten in the future the two should be combined. In such a case you might want to leave a small message, e.g. "forgot this part, which broke XYZ". With this, --fixup <commit> -m"More" -m"Details" will result in a commit message like: !fixup <subject of <commit>> More Details The reason the test being added here seems to squash "More" at the end of the subject line of the commit being fixed up is because the test code is using "%s%b" so the body immediately follows the subject, it's not a bug in this code, and other tests t7500-commit.sh do the same thing. When the --fixup option was initially added the "Option -m cannot be combined" error was expanded from -c, -C and -F to also include --fixup[1] Those options could also support combining with -m, but given what they do I can't think of a good use-case for doing that, so I have not made the more invasive change of splitting up the logic in commit.c to first act on those, and then on -m options. 1. d71b8ba7c9 ("commit: --fixup option for use with rebase --autosquash", 2010-11-02) Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Merge branch 'sb/diff-blobfind-pickaxe'Junio C Hamano2018-01-231-2/+2
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "diff" family of commands learned "--find-object=<object-id>" option to limit the findings to changes that involve the named object. * sb/diff-blobfind-pickaxe: diff: use HAS_MULTI_BITS instead of counting bits manually diff: properly error out when combining multiple pickaxe options diffcore: add a pickaxe option to find a specific blob diff: introduce DIFF_PICKAXE_KINDS_MASK diff: migrate diff_flags.pickaxe_ignore_case to a pickaxe_opts bit diff.h: make pickaxe_opts an unsigned bit field
| * | | | | | diff: introduce DIFF_PICKAXE_KINDS_MASKStefan Beller2018-01-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the check whether to perform pickaxing is done via checking `diffopt->pickaxe`, which contains the command line argument that we want to pickaxe for. Soon we'll introduce a new type of pickaxing, that will not store anything in the `.pickaxe` field, so let's migrate the check to be dependent on pickaxe_opts. It is not enough to just replace the check for pickaxe by pickaxe_opts, because flags might be set, but pickaxing was not requested ('-i'). To cope with that, introduce a mask to check only for the bits indicating the modes of operation. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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