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2019-05-28fill_stat_cache_info(): prepare for an fsmonitor fixLibravatar Johannes Schindelin1-1/+1
We will need to pass down the `struct index_state` to `mark_fsmonitor_valid()` for an upcoming bug fix, and this here function calls that there function, so we need to extend the signature of `fill_stat_cache_info()` first. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-20completion: add more parameter value completionLibravatar Nguyễn Thái Ngọc Duy1-0/+4
This adds value completion for a couple more paramters. To make it easier to maintain these hard coded lists, add a comment at the original list/code to remind people to update git-completion.bash too. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-06Merge branch 'jk/loose-object-cache-oid'Libravatar Junio C Hamano1-1/+1
Code clean-up. * jk/loose-object-cache-oid: prefer "hash mismatch" to "sha1 mismatch" sha1-file: avoid "sha1 file" for generic use in messages sha1-file: prefer "loose object file" to "sha1 file" in messages sha1-file: drop has_sha1_file() convert has_sha1_file() callers to has_object_file() sha1-file: convert pass-through functions to object_id sha1-file: modernize loose header/stream functions sha1-file: modernize loose object file functions http: use struct object_id instead of bare sha1 update comment references to sha1_object_info() sha1-file: fix outdated sha1 comment references
2019-02-06Merge branch 'jk/unused-parameter-cleanup'Libravatar Junio C Hamano1-3/+2
Code cleanup. * jk/unused-parameter-cleanup: convert: drop path parameter from actual conversion functions convert: drop len parameter from conversion checks config: drop unused parameter from maybe_remove_section() show_date_relative(): drop unused "tz" parameter column: drop unused "opts" parameter in item_length() create_bundle(): drop unused "header" parameter apply: drop unused "def" parameter from find_name_gnu() match-trees: drop unused path parameter from score functions
2019-02-06Merge branch 'nd/the-index-final'Libravatar Junio C Hamano1-2/+3
The assumption to work on the single "in-core index" instance has been reduced from the library-ish part of the codebase. * nd/the-index-final: cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch read-cache.c: remove the_* from index_has_changes() merge-recursive.c: remove implicit dependency on the_repository merge-recursive.c: remove implicit dependency on the_index sha1-name.c: remove implicit dependency on the_index read-cache.c: replace update_index_if_able with repo_& read-cache.c: kill read_index() checkout: avoid the_index when possible repository.c: replace hold_locked_index() with repo_hold_locked_index() notes-utils.c: remove the_repository references grep: use grep_opt->repo instead of explict repo argument
2019-01-24apply: drop unused "def" parameter from find_name_gnu()Libravatar Jeff King1-3/+2
We use the "def" parameter in find_name_common() for some heuristics, but they are not necessary with the less-ambiguous GNU format. Let's drop this unused parameter. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-14Merge branch 'nd/checkout-noisy'Libravatar Junio C Hamano1-1/+2
"git checkout [<tree-ish>] path..." learned to report the number of paths that have been checked out of the index or the tree-ish, which gives it the same degree of noisy-ness as the case in which the command checks out a branch. * nd/checkout-noisy: t0027: squelch checkout path run outside test_expect_* block checkout: print something when checking out paths
2019-01-14read-cache.c: kill read_index()Libravatar Nguyễn Thái Ngọc Duy1-1/+1
read_index() shares the same problem as hold_locked_index(): it assumes $GIT_DIR/index. Move all call sites to repo_read_index() instead. read_index_preload() and read_index_unmerged() are also killed as a consequence. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-14repository.c: replace hold_locked_index() with repo_hold_locked_index()Libravatar Nguyễn Thái Ngọc Duy1-1/+2
hold_locked_index() assumes the index path at $GIT_DIR/index. This is not good for places that take an arbitrary index_state instead of the_index, which is basically everywhere except builtin/. Replace it with repo_hold_locked_index(). hold_locked_index() remains as a wrapper around repo_hold_locked_index() to reduce changes in builtin/ Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-08convert has_sha1_file() callers to has_object_file()Libravatar Jeff King1-1/+1
The only remaining callers of has_sha1_file() actually have an object_id already. They can use the "object" variant, rather than dereferencing the hash themselves. The code changes here were completely generated by the included coccinelle patch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-18Merge branch 'js/apply-recount-allow-noop'Libravatar Junio C Hamano1-1/+1
When editing a patch in a "git add -i" session, a hunk could be made to no-op. The "git apply" program used to reject a patch with such a no-op hunk to catch user mistakes, but it is now updated to explicitly allow a no-op hunk in an edited patch. * js/apply-recount-allow-noop: apply --recount: allow "no-op hunks"
2018-11-14checkout: print something when checking out pathsLibravatar Nguyễn Thái Ngọc Duy1-1/+2
One of the problems with "git checkout" is that it does so many different things and could confuse people specially when we fail to handle ambiguation correctly. One way to help with that is tell the user what sort of operation is actually carried out. When switching branches, we always print something unless --quiet, either - "HEAD is now at ..." - "Reset branch ..." - "Already on ..." - "Switched to and reset ..." - "Switched to a new branch ..." - "Switched to branch ..." Checking out paths however is silent. Print something so that if we got the user intention wrong, they won't waste too much time to find that out. For the remaining cases of checkout we now print either - "Checked out ... paths out of the index" - "Checked out ... paths out of <abbrev hash>" Since the purpose of printing this is to help disambiguate. Only do it when "--" is missing. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-13apply --recount: allow "no-op hunks"Libravatar Johannes Schindelin1-1/+1
When editing patches e.g. in `git add -e`, it is quite common that a hunk ends up having no -/+ lines, i.e. it is now supposed to do nothing. This use case was broken by ad6e8ed37bc1 (apply: reject a hunk that does not do anything, 2015-06-01) with the good intention of catching a very real, different issue in hand-edited patches. So let's use the `--recount` option as the tell-tale whether the user would actually be okay with no-op hunks. Add a test case to make sure that this use case does not regress again. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Josh Steadmon <steadmon@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-06assert NOARG/NONEG behavior of parse-options callbacksLibravatar Jeff King1-0/+18
When we define a parse-options callback, the flags we put in the option struct must match what the callback expects. For example, a callback which does not handle the "unset" parameter should only be used with PARSE_OPT_NONEG. But since the callback and the option struct are not defined next to each other, it's easy to get this wrong (as earlier patches in this series show). Fortunately, the compiler can help us here: compiling with -Wunused-parameters can show us which callbacks ignore their "unset" parameters (and likewise, ones that ignore "arg" expect to be triggered with PARSE_OPT_NOARG). But after we've inspected a callback and determined that all of its callers use the right flags, what do we do next? We'd like to silence the compiler warning, but do so in a way that will catch any wrong calls in the future. We can do that by actually checking those variables and asserting that they match our expectations. Because this is such a common pattern, we'll introduce some helper macros. The resulting messages aren't as descriptive as we could make them, but the file/line information from BUG() is enough to identify the problem (and anyway, the point is that these should never be seen). Each of the annotated callbacks in this patch triggers -Wunused-parameters, and was manually inspected to make sure all callers use the correct options (so none of these BUGs should be triggerable). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-06apply: return -1 from option callback instead of calling exit(1)Libravatar Jeff King1-1/+1
The option callback for "apply --whitespace" exits with status "1" on error. It makes more sense for it to just return an error to parse-options. That code will exit, too, but it will use status "129" that is customary for option errors. The exit() dates back to aaf6c447aa (builtin/apply: make parse_whitespace_option() return -1 instead of die()ing, 2016-08-08). That commit gives no reason why we'd prefer the current exit status (it looks like it was just bumping the "die" up a level in the callstack, but did not go as far as it could have). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-06apply: mark include/exclude options as NONEGLibravatar Jeff King1-2/+2
The options callback for "git apply --no-include" is not ready to handle the "unset" parameter, and as a result will segfault when it adds a NULL argument to the include list (likewise for "--no-exclude"). In theory this might be used to clear the list, but since both "--include" and "--exclude" add to the same list, it's not immediately obvious what the semantics should be. Let's punt on that for now and just disallow the broken options. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-30Merge branch 'bc/hash-transition-part-15'Libravatar Junio C Hamano1-24/+26
More codepaths are moving away from hardcoded hash sizes. * bc/hash-transition-part-15: rerere: convert to use the_hash_algo submodule: make zero-oid comparison hash function agnostic apply: rename new_sha1_prefix and old_sha1_prefix apply: replace hard-coded constants tag: express constant in terms of the_hash_algo transport: use parse_oid_hex instead of a constant upload-pack: express constants in terms of the_hash_algo refs/packed-backend: express constants using the_hash_algo packfile: express constants in terms of the_hash_algo pack-revindex: express constants in terms of the_hash_algo builtin/fetch-pack: remove constants with parse_oid_hex builtin/mktree: remove hard-coded constant builtin/repack: replace hard-coded constants pack-bitmap-write: use GIT_MAX_RAWSZ for allocation object_id.cocci: match only expressions of type 'struct object_id'
2018-10-15apply: rename new_sha1_prefix and old_sha1_prefixLibravatar brian m. carlson1-20/+20
Rename these structure members to "new_oid_prefix" and "old_oid_prefix". Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-15apply: replace hard-coded constantsLibravatar brian m. carlson1-8/+10
Replace several 40-based constants with references to GIT_MAX_HEXSZ or the_hash_algo, as appropriate. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-21ws.c: remove implicit dependency on the_indexLibravatar Nguyễn Thái Ngọc Duy1-3/+5
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-21rerere.c: remove implicit dependency on the_indexLibravatar Nguyễn Thái Ngọc Duy1-1/+1
The reason rerere(), rerere_forget() and rerere_remaining() take a struct repository instead of struct index_state is not obvious from the patch: Deep in update_paths() and find_conflict(), hold_locked_index() and read_index() are called. These functions assumes the index path at $GIT_DIR/index which is not always true when you take an arbitrary index state. Taking a repository will allow us to point to the right index path later when we replace them with repo_ versions. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-21ll-merge.c: remove implicit dependency on the_indexLibravatar Nguyễn Thái Ngọc Duy1-3/+6
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-13apply.c: remove implicit dependency on the_indexLibravatar Nguyễn Thái Ngọc Duy1-21/+25
Use apply_state->repo->index instead of the_index (in most cases, unless we need to use a temporary index in some functions). Let the callers (am and apply) tell us what to use, instead of always assuming to operate on the_index. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-13apply.c: make init_apply_state() take a struct repositoryLibravatar Nguyễn Thái Ngọc Duy1-0/+2
We're moving away from the_index in this code. "struct index_state *" could be added to struct apply_state. But let's aim long term and put struct repository here instead so that we could even avoid more global states in the future. The index will be available via apply_state->repo->index. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-13apply.c: pass struct apply_state to more functionsLibravatar Nguyễn Thái Ngọc Duy1-7/+11
we're going to remove the dependency on the_index by moving 'struct index_state *' to somewhere inside struct apply_state. Let's make sure relevant functions have access to this struct now and reduce the diff noise when the actual conversion happens. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-13convert.c: remove an implicit dependency on the_indexLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Make the convert API take an index_state instead of assuming the_index in convert.c. All external call sites are converted blindly to keep the patch simple and retain current behavior. Individual call sites may receive further updates to use the right index instead of the_index. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-02Merge branch 'jm/cache-entry-from-mem-pool'Libravatar Junio C Hamano1-13/+11
For a large tree, the index needs to hold many cache entries allocated on heap. These cache entries are now allocated out of a dedicated memory pool to amortize malloc(3) overhead. * jm/cache-entry-from-mem-pool: block alloc: add validations around cache_entry lifecyle block alloc: allocate cache entries from mem_pool mem-pool: fill out functionality mem-pool: add life cycle management functions mem-pool: only search head block for available space block alloc: add lifecycle APIs for cache_entry structs read-cache: teach make_cache_entry to take object_id read-cache: teach refresh_cache_entry to take istate
2018-07-24Merge branch 'en/apply-comment-fix'Libravatar Junio C Hamano1-1/+1
* en/apply-comment-fix: apply: fix grammar error in comment
2018-07-18Merge branch 'sb/object-store-grafts'Libravatar Junio C Hamano1-0/+1
The conversion to pass "the_repository" and then "a_repository" throughout the object access API continues. * sb/object-store-grafts: commit: allow lookup_commit_graft to handle arbitrary repositories commit: allow prepare_commit_graft to handle arbitrary repositories shallow: migrate shallow information into the object parser path.c: migrate global git_path_* to take a repository argument cache: convert get_graft_file to handle arbitrary repositories commit: convert read_graft_file to handle arbitrary repositories commit: convert register_commit_graft to handle arbitrary repositories commit: convert commit_graft_pos() to handle arbitrary repositories shallow: add repository argument to is_repository_shallow shallow: add repository argument to check_shallow_file_for_update shallow: add repository argument to register_shallow shallow: add repository argument to set_alternate_shallow_file commit: add repository argument to lookup_commit_graft commit: add repository argument to prepare_commit_graft commit: add repository argument to read_graft_file commit: add repository argument to register_commit_graft commit: add repository argument to commit_graft_pos object: move grafts to object parser object-store: move object access functions to object-store.h
2018-07-03block alloc: add lifecycle APIs for cache_entry structsLibravatar Jameson Miller1-13/+11
It has been observed that the time spent loading an index with a large number of entries is partly dominated by malloc() calls. This change is in preparation for using memory pools to reduce the number of malloc() calls made to allocate cahce entries when loading an index. Add an API to allocate and discard cache entries, abstracting the details of managing the memory backing the cache entries. This commit does actually change how memory is managed - this will be done in a later commit in the series. This change makes the distinction between cache entries that are associated with an index and cache entries that are not associated with an index. A main use of cache entries is with an index, and we can optimize the memory management around this. We still have other cases where a cache entry is not persisted with an index, and so we need to handle the "transient" use case as well. To keep the congnitive overhead of managing the cache entries, there will only be a single discard function. This means there must be enough information kept with the cache entry so that we know how to discard them. A summary of the main functions in the API is: make_cache_entry: create cache entry for use in an index. Uses specified parameters to populate cache_entry fields. make_empty_cache_entry: Create an empty cache entry for use in an index. Returns cache entry with empty fields. make_transient_cache_entry: create cache entry that is not used in an index. Uses specified parameters to populate cache_entry fields. make_empty_transient_cache_entry: create cache entry that is not used in an index. Returns cache entry with empty fields. discard_cache_entry: A single function that knows how to discard a cache entry regardless of how it was allocated. Signed-off-by: Jameson Miller <jamill@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-03read-cache: teach make_cache_entry to take object_idLibravatar Jameson Miller1-1/+1
Teach make_cache_entry function to take object_id instead of a SHA-1. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-28apply: fix grammar error in commentLibravatar Elijah Newren1-1/+1
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-25Merge branch 'nd/diff-apply-ita'Libravatar Junio C Hamano1-7/+12
"git diff" compares the index and the working tree. For paths added with intent-to-add bit, the command shows the full contents of them as added, but the paths themselves were not marked as new files. They are now shown as new by default. "git apply" learned the "--intent-to-add" option so that an otherwise working-tree-only application of a patch will add new paths to the index marked with the "intent-to-add" bit. * nd/diff-apply-ita: apply: add --intent-to-add t2203: add a test about "diff HEAD" case diff: turn --ita-invisible-in-index on by default diff: ignore --ita-[in]visible-in-index when diffing worktree-to-tree
2018-05-30Merge branch 'js/use-bug-macro'Libravatar Junio C Hamano1-2/+2
Developer support update, by using BUG() macro instead of die() to mark codepaths that should not happen more clearly. * js/use-bug-macro: BUG_exit_code: fix sparse "symbol not declared" warning Convert remaining die*(BUG) messages Replace all die("BUG: ...") calls by BUG() ones run-command: use BUG() to report bugs, not die() test-tool: help verifying BUG() code paths
2018-05-30Merge branch 'ma/lockfile-cleanup'Libravatar Junio C Hamano1-1/+1
Code clean-up to adjust to a more recent lockfile API convention that allows lockfile instances kept on the stack. * ma/lockfile-cleanup: lock_file: move static locks into functions lock_file: make function-local locks non-static refs.c: do not die if locking fails in `delete_pseudoref()` refs.c: do not die if locking fails in `write_pseudoref()` t/helper/test-write-cache: clean up lock-handling
2018-05-29Sync with Git 2.17.1Libravatar Junio C Hamano1-2/+2
* maint: (25 commits) Git 2.17.1 Git 2.16.4 Git 2.15.2 Git 2.14.4 Git 2.13.7 fsck: complain when .gitmodules is a symlink index-pack: check .gitmodules files with --strict unpack-objects: call fsck_finish() after fscking objects fsck: call fsck_finish() after fscking objects fsck: check .gitmodules content fsck: handle promisor objects in .gitmodules check fsck: detect gitmodules files fsck: actually fsck blob data fsck: simplify ".git" check index-pack: make fsck error message more specific verify_path: disallow symlinks in .gitmodules update-index: stat updated files earlier verify_dotfile: mention case-insensitivity in comment verify_path: drop clever fallthrough skip_prefix: add case-insensitive variant ...
2018-05-29apply: add --intent-to-addLibravatar Nguyễn Thái Ngọc Duy1-7/+12
Similar to 'git reset -N', this option makes 'git apply' automatically mark new files as intent-to-add so they are visible in the following 'git diff' command and could also be committed with 'git commit -a'. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-22Sync with Git 2.16.4Libravatar Junio C Hamano1-2/+2
* maint-2.16: Git 2.16.4 Git 2.15.2 Git 2.14.4 Git 2.13.7 verify_path: disallow symlinks in .gitmodules update-index: stat updated files earlier verify_dotfile: mention case-insensitivity in comment verify_path: drop clever fallthrough skip_prefix: add case-insensitive variant is_{hfs,ntfs}_dotgitmodules: add tests is_ntfs_dotgit: match other .git files is_hfs_dotgit: match other .git files is_ntfs_dotgit: use a size_t for traversing string submodule-config: verify submodule names as paths
2018-05-22Sync with Git 2.15.2Libravatar Junio C Hamano1-2/+2
* maint-2.15: Git 2.15.2 Git 2.14.4 Git 2.13.7 verify_path: disallow symlinks in .gitmodules update-index: stat updated files earlier verify_dotfile: mention case-insensitivity in comment verify_path: drop clever fallthrough skip_prefix: add case-insensitive variant is_{hfs,ntfs}_dotgitmodules: add tests is_ntfs_dotgit: match other .git files is_hfs_dotgit: match other .git files is_ntfs_dotgit: use a size_t for traversing string submodule-config: verify submodule names as paths
2018-05-22Sync with Git 2.14.4Libravatar Junio C Hamano1-2/+2
* maint-2.14: Git 2.14.4 Git 2.13.7 verify_path: disallow symlinks in .gitmodules update-index: stat updated files earlier verify_dotfile: mention case-insensitivity in comment verify_path: drop clever fallthrough skip_prefix: add case-insensitive variant is_{hfs,ntfs}_dotgitmodules: add tests is_ntfs_dotgit: match other .git files is_hfs_dotgit: match other .git files is_ntfs_dotgit: use a size_t for traversing string submodule-config: verify submodule names as paths
2018-05-22Sync with Git 2.13.7Libravatar Junio C Hamano1-2/+2
* maint-2.13: Git 2.13.7 verify_path: disallow symlinks in .gitmodules update-index: stat updated files earlier verify_dotfile: mention case-insensitivity in comment verify_path: drop clever fallthrough skip_prefix: add case-insensitive variant is_{hfs,ntfs}_dotgitmodules: add tests is_ntfs_dotgit: match other .git files is_hfs_dotgit: match other .git files is_ntfs_dotgit: use a size_t for traversing string submodule-config: verify submodule names as paths
2018-05-21verify_path: disallow symlinks in .gitmodulesLibravatar Jeff King1-2/+2
There are a few reasons it's not a good idea to make .gitmodules a symlink, including: 1. It won't be portable to systems without symlinks. 2. It may behave inconsistently, since Git may look at this file in the index or a tree without bothering to resolve any symbolic links. We don't do this _yet_, but the config infrastructure is there and it's planned for the future. With some clever code, we could make (2) work. And some people may not care about (1) if they only work on one platform. But there are a few security reasons to simply disallow it: a. A symlinked .gitmodules file may circumvent any fsck checks of the content. b. Git may read and write from the on-disk file without sanity checking the symlink target. So for example, if you link ".gitmodules" to "../oops" and run "git submodule add", we'll write to the file "oops" outside the repository. Again, both of those are problems that _could_ be solved with sufficient code, but given the complications in (1) and (2), we're better off just outlawing it explicitly. Note the slightly tricky call to verify_path() in update-index's update_one(). There we may not have a mode if we're not updating from the filesystem (e.g., we might just be removing the file). Passing "0" as the mode there works fine; since it's not a symlink, we'll just skip the extra checks. Signed-off-by: Jeff King <peff@peff.net>
2018-05-16object-store: move object access functions to object-store.hLibravatar Stefan Beller1-0/+1
This should make these functions easier to find and cache.h less overwhelming to read. In particular, this moves: - read_object_file - oid_object_info - write_object_file As a result, most of the codebase needs to #include object-store.h. In this patch the #include is only added to files that would fail to compile otherwise. It would be better to #include wherever identifiers from the header are used. That can happen later when we have better tooling for it. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-10lock_file: make function-local locks non-staticLibravatar Martin Ågren1-1/+1
Placing `struct lock_file`s on the stack used to be a bad idea, because the temp- and lockfile-machinery would keep a pointer into the struct. But after 076aa2cbd (tempfile: auto-allocate tempfiles on heap, 2017-09-05), we can safely have lockfiles on the stack. (This applies even if a user returns early, leaving a locked lock behind.) These `struct lock_file`s are local to their respective functions and we can drop their staticness. For good measure, I have inspected these sites and come to believe that they always release the lock, with the possible exception of bailing out using `die()` or `exit()` or by returning from a `cmd_foo()`. As pointed out by Jeff King, it would be bad if someone held on to a `struct lock_file *` for some reason. After some grepping, I agree with his findings: no-one appears to be doing that. Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-06Replace all die("BUG: ...") calls by BUG() onesLibravatar Johannes Schindelin1-2/+2
In d8193743e08 (usage.c: add BUG() function, 2017-05-12), a new macro was introduced to use for reporting bugs instead of die(). It was then subsequently used to convert one single caller in 588a538ae55 (setup_git_env: convert die("BUG") to BUG(), 2017-05-12). The cover letter of the patch series containing this patch (cf 20170513032414.mfrwabt4hovujde2@sigill.intra.peff.net) is not terribly clear why only one call site was converted, or what the plan is for other, similar calls to die() to report bugs. Let's just convert all remaining ones in one fell swoop. This trick was performed by this invocation: sed -i 's/die("BUG: /BUG("/g' $(git grep -l 'die("BUG' \*.c) Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-04-10Merge branch 'bc/object-id'Libravatar Junio C Hamano1-2/+2
Conversion from uchar[20] to struct object_id continues. * bc/object-id: (36 commits) convert: convert to struct object_id sha1_file: introduce a constant for max header length Convert lookup_replace_object to struct object_id sha1_file: convert read_sha1_file to struct object_id sha1_file: convert read_object_with_reference to object_id tree-walk: convert tree entry functions to object_id streaming: convert istream internals to struct object_id tree-walk: convert get_tree_entry_follow_symlinks internals to object_id builtin/notes: convert static functions to object_id builtin/fmt-merge-msg: convert remaining code to object_id sha1_file: convert sha1_object_info* to object_id Convert remaining callers of sha1_object_info_extended to object_id packfile: convert unpack_entry to struct object_id sha1_file: convert retry_bad_packed_offset to struct object_id sha1_file: convert assert_sha1_type to object_id builtin/mktree: convert to struct object_id streaming: convert open_istream to use struct object_id sha1_file: convert check_sha1_signature to struct object_id sha1_file: convert read_loose_object to use struct object_id builtin/index-pack: convert struct ref_delta_entry to object_id ...
2018-03-14Merge branch 'nd/parseopt-completion'Libravatar Junio C Hamano1-2/+3
Teach parse-options API an option to help the completion script, and make use of the mechanism in command line completion. * nd/parseopt-completion: (45 commits) completion: more subcommands in _git_notes() completion: complete --{reuse,reedit}-message= for all notes subcmds completion: simplify _git_notes completion: don't set PARSE_OPT_NOCOMPLETE on --rerere-autoupdate completion: use __gitcomp_builtin in _git_worktree completion: use __gitcomp_builtin in _git_tag completion: use __gitcomp_builtin in _git_status completion: use __gitcomp_builtin in _git_show_branch completion: use __gitcomp_builtin in _git_rm completion: use __gitcomp_builtin in _git_revert completion: use __gitcomp_builtin in _git_reset completion: use __gitcomp_builtin in _git_replace remote: force completing --mirror= instead of --mirror completion: use __gitcomp_builtin in _git_remote completion: use __gitcomp_builtin in _git_push completion: use __gitcomp_builtin in _git_pull completion: use __gitcomp_builtin in _git_notes completion: use __gitcomp_builtin in _git_name_rev completion: use __gitcomp_builtin in _git_mv completion: use __gitcomp_builtin in _git_merge_base ...
2018-03-14sha1_file: convert read_sha1_file to struct object_idLibravatar brian m. carlson1-2/+2
Convert read_sha1_file to take a pointer to struct object_id and rename it read_object_file. Do the same for read_sha1_file_extended. Convert one use in grep.c to use the new function without any other code change, since the pointer being passed is a void pointer that is already initialized with a pointer to struct object_id. Update the declaration and definitions of the modified functions, and apply the following semantic patch to convert the remaining callers: @@ expression E1, E2, E3; @@ - read_sha1_file(E1.hash, E2, E3) + read_object_file(&E1, E2, E3) @@ expression E1, E2, E3; @@ - read_sha1_file(E1->hash, E2, E3) + read_object_file(E1, E2, E3) @@ expression E1, E2, E3, E4; @@ - read_sha1_file_extended(E1.hash, E2, E3, E4) + read_object_file_extended(&E1, E2, E3, E4) @@ expression E1, E2, E3, E4; @@ - read_sha1_file_extended(E1->hash, E2, E3, E4) + read_object_file_extended(E1, E2, E3, E4) Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-06Merge branch 'bw/c-plus-plus'Libravatar Junio C Hamano1-61/+61
Avoid using identifiers that clash with C++ keywords. Even though it is not a goal to compile Git with C++ compilers, changes like this help use of code analysis tools that targets C++ on our codebase. * bw/c-plus-plus: (37 commits) replace: rename 'new' variables trailer: rename 'template' variables tempfile: rename 'template' variables wrapper: rename 'template' variables environment: rename 'namespace' variables diff: rename 'template' variables environment: rename 'template' variables init-db: rename 'template' variables unpack-trees: rename 'new' variables trailer: rename 'new' variables submodule: rename 'new' variables split-index: rename 'new' variables remote: rename 'new' variables ref-filter: rename 'new' variables read-cache: rename 'new' variables line-log: rename 'new' variables imap-send: rename 'new' variables http: rename 'new' variables entry: rename 'new' variables diffcore-delta: rename 'new' variables ...
2018-02-28Merge branch 'tk/apply-dev-null-verify-name-fix'Libravatar Junio C Hamano1-1/+1
Many places in "git apply" knew that "/dev/null" that signals "there is no such file on this side of the diff" can be followed by whitespace and garbage when parsing a patch, except for one, which made an otherwise valid patch (e.g. ones from subversion) rejected. * tk/apply-dev-null-verify-name-fix: apply: handle Subversion diffs with /dev/null gracefully apply: demonstrate a problem applying svn diffs