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Git with broken hash generation to generate collisions between object IDs. Don't use this! https://undefinedbehavior.de/posts/commit-vandalism/
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John Cai eb54a3391b cat-file: skip expanding default format 
When format is passed into --batch, --batch-check, --batch-command,
the format gets expanded. When nothing is passed in, the default format
is set and the expand_format() gets called.

We can save on these cycles by hardcoding how to print the
information when nothing is passed as the format, or when the default
format is passed. There is no need for the fully expanded format with
the default. Since batch_object_write() happens on every object provided
in batch mode, we get a nice performance improvement.

git rev-list --all > /tmp/all-obj.txt

git cat-file --batch-check </tmp/all-obj.txt

with HEAD^:

Time (mean ± σ): 57.6 ms ± 1.7 ms [User: 51.5 ms, System: 6.2 ms]
Range (min … max): 54.6 ms … 64.7 ms 50 runs

with HEAD:

Time (mean ± σ): 49.8 ms ± 1.7 ms [User: 42.6 ms, System: 7.3 ms]
Range (min … max): 46.9 ms … 55.9 ms 56 runs

If nothing is provided as a format argument, or if the default format is
passed, skip expanding of the format and print the object info with a
default format.

See https://lore.kernel.org/git/87eecf8ork.fsf@evledraar.gmail.com/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-03-15 10:15:32 -07:00
.github Merge branch 'ab/ci-updates' 2021-12-15 09:39:49 -08:00
block-sha1 block-sha1: drop trailing semicolon from macro definition 2021-03-17 10:20:01 -07:00
builtin cat-file: skip expanding default format 2022-03-15 10:15:32 -07:00
ci compat: auto-detect if zlib has uncompress2() 2022-01-26 09:05:55 -08:00
compat Merge branch 'ab/auto-detect-zlib-compress2' 2022-02-16 15:14:30 -08:00
contrib Merge branch 'jc/rerere-train-modernise' 2022-03-06 21:25:30 -08:00
Documentation The ninth batch 2022-03-06 21:25:33 -08:00
ewah use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
git-gui Merge https://github.com/prati0100/git-gui 2021-03-04 12:38:50 -08:00
gitk-git
gitweb Merge branch 'gh/gitweb-branch-sort' 2021-09-10 11:46:32 -07:00
mergetools mergetools/xxdiff: prevent segfaults from stopping difftool 2021-10-13 11:04:04 -07:00
negotiator use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
perl perl Git.pm: don't ignore signalled failure in _cmd_close() 2022-02-01 15:21:19 -08:00
po l10n: Update Catalan translation 2022-01-23 09:40:52 +01:00
ppc
refs Merge branch 'ps/avoid-unnecessary-hook-invocation-with-packed-refs' 2022-02-18 13:53:27 -08:00
reftable Merge branch 'ab/auto-detect-zlib-compress2' 2022-02-16 15:14:30 -08:00
sha1collisiondetection@855827c583
sha1dc Merge branch 'jk/lore-is-the-archive' 2019-12-06 15:09:23 -08:00
sha256
t cat-file: skip expanding default format 2022-03-15 10:15:32 -07:00
templates
trace2 trace2: use designated initializers for "struct tr2_dst" 2022-02-24 15:58:55 -08:00
xdiff Merge branch 'pw/xdiff-classify-record-in-histogram' 2021-12-21 15:03:14 -08:00
.cirrus.yml ci: update freebsd 12 cirrus job 2021-08-12 14:00:52 -07:00
.clang-format
.editorconfig
.gitattributes
.gitignore hook: add 'run' subcommand 2022-01-07 15:19:34 -08:00
.gitmodules
.mailmap mailmap: change primary address for Derrick Stolee 2022-02-14 13:27:31 -08:00
.tsan-suppressions
abspath.c
aclocal.m4
add-interactive.c diff.[ch]: have diff_free() call clear_pathspec(opts.pathspec) 2022-02-16 13:50:13 -08:00
add-interactive.h
add-patch.c Merge branch 'pw/add-p-hunk-split-fix' 2022-02-09 14:20:59 -08:00
advice.c switch: mention the --detach option when dying due to lack of a branch 2022-02-25 22:21:48 -08:00
advice.h switch: mention the --detach option when dying due to lack of a branch 2022-02-25 22:21:48 -08:00
alias.c
alias.h
alloc.c
alloc.h
apply.c Merge branch 'en/remerge-diff' 2022-02-16 15:14:29 -08:00
apply.h Merge branch 'rs/apply-symlinks-use-strset' 2022-02-05 09:42:30 -08:00
archive-tar.c archive-*.c: use designated initializers for "struct archiver" 2022-02-24 15:59:20 -08:00
archive-zip.c Merge branch 'ab/c99-designated-initializers' 2022-03-06 21:25:32 -08:00
archive.c i18n: remove from i18n strings that do not hold translatable parts 2022-02-04 13:58:28 -08:00
archive.h archive: expand only a single %(describe) per archive 2021-03-11 13:22:44 -08:00
attr.c attr: be careful about sparse directories 2021-09-07 22:41:10 -07:00
attr.h *: remove 'const' qualifier for struct index_state 2021-04-14 13:46:00 -07:00
banned.h
base85.c
bisect.c bisect--helper: double-check run command on exit code 126 and 127 2022-01-19 09:35:03 -08:00
bisect.h bisect--helper: double-check run command on exit code 126 and 127 2022-01-19 09:35:03 -08:00
blame.c Merge branch 'ab/diff-free-more' 2022-02-25 15:47:36 -08:00
blame.h
blob.c
blob.h
bloom.c Merge branch 'ah/plugleaks' 2021-05-07 12:47:41 +09:00
bloom.h
branch.c Merge branch 'gc/branch-recurse-submodules' 2022-02-18 13:53:29 -08:00
branch.h branch: add --recurse-submodules option for branch creation 2022-02-04 08:16:39 -08:00
builtin.h hook: add 'run' subcommand 2022-01-07 15:19:34 -08:00
bulk-checkin.c pack-write: split up finish_tmp_packfile() function 2021-09-09 18:23:11 -07:00
bulk-checkin.h
bundle.c bundle API: change "flags" to be "extra_index_pack_args" 2021-09-07 10:59:23 -07:00
bundle.h bundle API: change "flags" to be "extra_index_pack_args" 2021-09-07 10:59:23 -07:00
cache-tree.c Merge branch 'vd/sparse-reset' 2021-12-10 14:35:12 -08:00
cache-tree.h
cache.h Merge branch 'ab/date-mode-release' 2022-02-25 15:47:36 -08:00
cbtree.c cbtree: remove broken and unused cb_unlink 2021-12-07 15:18:35 -08:00
cbtree.h cbtree: remove broken and unused cb_unlink 2021-12-07 15:18:35 -08:00
chdir-notify.c
chdir-notify.h
check-builtins.sh
checkout.c *.[ch] *_INIT macros: use { 0 } for a "zero out" idiom 2021-09-27 14:47:59 -07:00
checkout.h
chunk-format.c csum-file.h: increase hashfile buffer size 2021-05-19 16:41:21 +09:00
chunk-format.h chunk-format: create read chunk API 2021-02-18 13:38:16 -08:00
CODE_OF_CONDUCT.md CODE_OF_CONDUCT.md: update PLC members list 2022-02-18 12:36:29 -08:00
color.c color: allow colors to be prefixed with "reset" 2021-10-28 09:37:18 -07:00
color.h color: allow colors to be prefixed with "reset" 2021-10-28 09:37:18 -07:00
column.c
column.h
combine-diff.c Merge branch 'ab/pickaxe-pcre2' 2021-07-13 16:52:50 -07:00
command-list.txt hook: add 'run' subcommand 2022-01-07 15:19:34 -08:00
commit-graph.c commit-graph: return if there is no git directory 2021-12-06 09:55:05 -08:00
commit-graph.h revision: avoid hitting packfiles when commits are in commit-graph 2021-08-09 09:51:12 -07:00
commit-reach.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
commit-reach.h
commit-slab-decl.h
commit-slab-impl.h
commit-slab.h
commit.c Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
commit.h receive-pack.c: consolidate find header logic 2022-01-06 13:17:20 -08:00
common-main.c Merge branch 'en/keep-cwd' 2022-01-05 14:01:28 -08:00
config.c Merge branch 'ab/date-mode-release' 2022-02-25 15:47:36 -08:00
config.h Merge branch 'ds/sparse-checkout-requires-per-worktree-config' 2022-02-25 15:47:33 -08:00
config.mak.dev Makefile: FreeBSD cannot do C99-or-below build 2022-01-18 12:16:23 -08:00
config.mak.in
config.mak.uname Merge branch 'ab/auto-detect-zlib-compress2' 2022-02-16 15:14:30 -08:00
configure.ac compat: auto-detect if zlib has uncompress2() 2022-01-26 09:05:55 -08:00
connect.c ls-remote & transport API: release "struct transport_ls_refs_options" 2022-02-06 18:02:34 -08:00
connect.h
connected.c run-command API: remove "env" member, always use "env_array" 2021-11-25 22:15:08 -08:00
connected.h connected: refactor iterator to return next object ID directly 2021-09-01 12:43:56 -07:00
convert.c convert.c: use designated initializers for "struct stream_filter*" 2022-02-24 15:59:43 -08:00
convert.h Merge branch 'ds/sparse-index-protections' 2021-04-30 13:50:26 +09:00
copy.c
COPYING
credential.c urlmatch.[ch]: add and use URLMATCH_CONFIG_INIT 2021-10-01 14:22:51 -07:00
credential.h *.h: move some *_INIT to designated initializers 2021-07-01 12:31:45 -07:00
csum-file.c use xopen() to handle fatal open(2) failures 2021-08-25 14:39:08 -07:00
csum-file.h Merge branch 'tb/midx-use-checksum' 2021-07-16 17:42:46 -07:00
ctype.c
daemon.c Merge branch 'rs/daemon-plug-leak' 2022-01-05 14:01:31 -08:00
date.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
date.h date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
decorate.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
decorate.h
delta-islands.c
delta-islands.h
delta.h odb: guard against data loss checking out a huge file 2021-11-03 11:22:27 -07:00
detect-compiler build: catch clang that identifies itself as "$VENDOR clang" 2021-08-06 13:35:37 -07:00
diff-delta.c
diff-lib.c Merge branch 'dd/diff-files-unmerged-fix' into maint 2021-10-12 13:51:40 -07:00
diff-merges.c Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
diff-merges.h diff-index: restore -c/--cc options handling 2021-09-07 11:11:35 -07:00
diff-no-index.c dir: introduce readdir_skip_dot_and_dotdot() helper 2021-05-27 14:02:37 +09:00
diff.c Merge branch 'ac/usage-string-fixups' 2022-03-06 21:25:32 -08:00
diff.h Merge branch 'js/diff-filter-negation-fix' 2022-02-16 15:14:30 -08:00
diffcore-break.c
diffcore-delta.c diffcore-delta.c: LLP64 compatibility, upcast unity for left shift 2021-12-01 14:48:10 -08:00
diffcore-order.c
diffcore-pickaxe.c xdiff-interface: replace discard_hunk_line() with a flag 2021-05-11 12:47:31 +09:00
diffcore-rename.c Merge branch 'en/ort-perf-batch-15' 2021-08-24 15:32:39 -07:00
diffcore-rotate.c diff: --{rotate,skip}-to=<path> 2021-02-16 09:30:42 -08:00
diffcore.h merge-ort: store filepairs and filespecs in our mem_pool 2021-07-30 09:01:19 -07:00
dir-iterator.c
dir-iterator.h
dir.c dir: force untracked cache with core.untrackedCache 2022-02-17 14:47:13 -08:00
dir.h dir: new flag to remove_dir_recurse() to spare the original_cwd 2021-12-09 13:33:13 -08:00
editor.c run-command API: remove "env" member, always use "env_array" 2021-11-25 22:15:08 -08:00
entry.c Merge branch 'mc/clean-smudge-with-llp64' 2021-11-29 15:41:51 -08:00
entry.h Merge branch 'mc/clean-smudge-with-llp64' 2021-11-29 15:41:51 -08:00
environment.c Merge branch 'ns/tmp-objdir' 2022-01-03 16:24:15 -08:00
environment.h
exec-cmd.c
exec-cmd.h
fetch-negotiator.c repo-settings: rename the traditional default fetch.negotiationAlgorithm 2022-02-02 09:36:17 -08:00
fetch-negotiator.h
fetch-pack.c Merge branch 'ps/fetch-optim-with-commit-graph' 2022-02-23 16:58:03 -08:00
fetch-pack.h fetch: teach independent negotiation (no packfile) 2021-05-05 10:41:29 +09:00
fmt-merge-msg.c Merge branch 'fs/ssh-signing-key-lifetime' 2022-01-12 15:11:41 -08:00
fmt-merge-msg.h merge: allow to pretend a merge is made into a different branch 2021-12-20 14:55:02 -08:00
fsck.c fsck: warn about symlinked dotfiles we'll open with O_NOFOLLOW 2021-05-04 11:52:02 +09:00
fsck.h fsck: warn about symlinked dotfiles we'll open with O_NOFOLLOW 2021-05-04 11:52:02 +09:00
fsmonitor.c Merge branch 'jh/fsmonitor-prework' 2021-03-19 15:25:37 -07:00
fsmonitor.h fsmonitor: add assertion that fsmonitor is valid to check_removed 2021-03-18 13:31:13 -07:00
fuzz-commit-graph.c
fuzz-pack-headers.c
fuzz-pack-idx.c
generate-cmdlist.sh generate-cmdlist.sh: don't parse command-list.txt thrice 2021-11-05 12:01:13 -07:00
generate-configlist.sh help: move list_config_help to builtin/help 2020-04-16 15:22:16 -07:00
generate-hooklist.sh hook-list.h: add a generated list of hooks, like config-list.h 2021-09-27 09:44:54 -07:00
gettext.c *.c static functions: add missing __attribute__((format)) 2021-07-13 15:20:20 -07:00
gettext.h gettext: remove optional non-standard parens in N_() definition 2021-09-03 11:40:30 -07:00
git-add--interactive.perl add -p: avoid use of undefined $key when ReadKey -> EOF 2021-11-28 15:14:09 -08:00
git-archimport.perl
git-bisect.sh Merge branch 'mr/bisect-in-c-4' 2021-09-23 13:44:48 -07:00
git-compat-util.h Merge branch 'ab/auto-detect-zlib-compress2' 2022-02-16 15:14:30 -08:00
git-curl-compat.h http: check CURLE_SSL_PINNEDPUBKEYNOTMATCH when emitting errors 2021-09-27 10:58:07 -07:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl tests: disable fsync everywhere 2021-10-29 10:22:40 -07:00
git-difftool--helper.sh mergetool: break setup_tool out into separate initialization function 2021-02-09 14:09:16 -08:00
git-filter-branch.sh git-sh-setup: remove "sane_grep", it's not needed anymore 2021-10-21 16:17:57 -07:00
git-instaweb.sh git-sh-setup: remove "sane_grep", it's not needed anymore 2021-10-21 16:17:57 -07:00
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh Merge branch 'sh/mergetool-hideresolved' 2021-02-17 17:21:41 -08:00
git-mergetool.sh mergetool: do not enable hideResolved by default 2021-03-13 15:30:29 -08:00
git-p4.py Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
git-quiltimport.sh
git-request-pull.sh
git-send-email.perl send-email: use 'git hook run' for 'sendemail-validate' 2022-01-07 15:19:35 -08:00
git-sh-i18n.sh git-sh-i18n: remove unused eval_ngettext() 2021-10-21 16:04:29 -07:00
git-sh-setup.sh git-sh-setup: remove remnant bits referring to git-legacy-stash 2022-01-27 18:00:09 -08:00
git-submodule.sh clone, submodule: pass partial clone filters to submodules 2022-02-09 15:38:36 -08:00
git-svn.perl git-svn: drop support for --preserve-merges 2021-09-07 21:45:33 -07:00
GIT-VERSION-GEN Git 2.35.1 2022-01-28 16:48:42 -08:00
git-web--browse.sh
git.c Merge branch 'ab/grep-patterntype' 2022-02-25 15:47:36 -08:00
git.rc
gpg-interface.c Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
gpg-interface.h ssh signing: make verify-commit consider key lifetime 2021-12-09 13:38:04 -08:00
graph.c log: fix memory leak if --graph is passed multiple times 2022-02-11 10:06:40 -08:00
graph.h log: fix memory leak if --graph is passed multiple times 2022-02-11 10:06:40 -08:00
grep.c Merge branch 'rs/pcre-invalid-utf8-fix-fix' 2022-02-25 15:47:38 -08:00
grep.h grep: simplify config parsing and option parsing 2022-02-15 18:00:50 -08:00
hash-lookup.c oid_pos(): access table through const pointers 2021-01-28 12:03:26 -08:00
hash-lookup.h oid_pos(): access table through const pointers 2021-01-28 12:03:26 -08:00
hash.h hash.h: provide constants for the hash IDs 2021-09-07 10:47:43 -07:00
hashmap.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
hashmap.h
help.c help: make auto-correction prompt more consistent 2021-12-16 13:49:39 -08:00
help.h help: move column config discovery to help.c library 2021-09-23 10:30:43 -07:00
hex.c hex: print objects using the hash algorithm member 2021-04-27 16:31:39 +09:00
hook.c hooks: convert worktree 'post-checkout' hook to hook library 2022-01-07 15:19:34 -08:00
hook.h hooks: convert worktree 'post-checkout' hook to hook library 2022-01-07 15:19:34 -08:00
http-backend.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
http-fetch.c i18n: factorize "--foo requires --bar" and the like 2022-01-05 13:31:00 -08:00
http-push.c http: rename CURLOPT_FILE to CURLOPT_WRITEDATA 2021-07-30 16:01:54 -07:00
http-walker.c http: rename CURLOPT_FILE to CURLOPT_WRITEDATA 2021-07-30 16:01:54 -07:00
http.c run-command API users: use strvec_pushv(), not argv assignment 2021-11-25 22:15:07 -08:00
http.h http: check CURLE_SSL_PINNEDPUBKEYNOTMATCH when emitting errors 2021-09-27 10:58:07 -07:00
ident.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
imap-send.c imap-send.c: use designated initializers for "struct imap_server_conf" 2022-02-24 15:57:56 -08:00
INSTALL INSTALL: mention that we need libcurl 7.19.4 or newer to build 2021-09-13 10:39:03 -07:00
iterator.h
json-writer.c *.c *_init(): define in terms of corresponding *_INIT macro 2021-07-01 12:32:22 -07:00
json-writer.h *.h: move some *_INIT to designated initializers 2021-07-01 12:31:45 -07:00
khash.h khash: clarify that allocations never fail 2021-07-06 13:07:50 -07:00
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
line-log.h
line-range.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
line-range.h
linear-assignment.c
linear-assignment.h
list-objects-filter-options.c help: fix small typo in error message 2021-05-21 07:52:10 +09:00
list-objects-filter-options.h list-objects: implement object type filter 2021-04-19 14:09:11 -07:00
list-objects-filter.c list-objects: implement object type filter 2021-04-19 14:09:11 -07:00
list-objects-filter.h list-objects: support filtering by tag and commit 2021-04-12 09:35:50 -07:00
list-objects.c list-objects.c: rename "traverse_trees_and_blobs" to "traverse_non_commits" 2021-08-12 13:08:30 -07:00
list-objects.h
list.h *.h: move some *_INIT to designated initializers 2021-09-27 14:48:00 -07:00
ll-merge.c ll-merge: make callers responsible for showing warnings 2022-02-02 10:02:27 -08:00
ll-merge.h ll-merge: make callers responsible for showing warnings 2022-02-02 10:02:27 -08:00
lockfile.c
lockfile.h *.[ch] *_INIT macros: use { 0 } for a "zero out" idiom 2021-09-27 14:47:59 -07:00
log-tree.c show, log: include conflict/warning messages in --remerge-diff headers 2022-02-02 10:02:28 -08:00
log-tree.h log-tree.h: remove unused function declarations 2021-10-01 14:39:46 -07:00
ls-refs.c i18n: factorize "invalid value" messages 2022-02-04 13:58:28 -08:00
ls-refs.h serve.[ch]: don't pass "struct strvec *keys" to commands 2021-08-05 08:59:37 -07:00
mailinfo.c Merge branch 'ar/mailinfo-memcmp-to-skip-prefix' 2021-07-08 13:15:03 -07:00
mailinfo.h am: learn to process quoted lines that ends with CRLF 2021-05-10 15:06:22 +09:00
mailmap.c Merge branch 'ab/mailmap-leakfix' into maint 2021-10-12 13:51:30 -07:00
mailmap.h
Makefile Merge branch 'ab/auto-detect-zlib-compress2' 2022-02-16 15:14:30 -08:00
match-trees.c Always use oidread to read into struct object_id 2021-04-27 16:31:38 +09:00
mem-pool.c mem-pool: don't assume uintmax_t is aligned enough for all types 2022-01-24 10:26:40 -08:00
mem-pool.h
merge-blobs.c ll-merge: make callers responsible for showing warnings 2022-02-02 10:02:27 -08:00
merge-blobs.h *.[ch]: manually align parameter lists 2019-05-05 15:20:10 +09:00
merge-ort-wrappers.c merge(s): apply consistent punctuation to "up to date" messages 2021-05-03 14:14:56 +09:00
merge-ort-wrappers.h
merge-ort.c Merge branch 'en/merge-ort-plug-leaks' 2022-03-06 21:25:31 -08:00
merge-ort.h show, log: include conflict/warning messages in --remerge-diff headers 2022-02-02 10:02:28 -08:00
merge-recursive.c merge-ort: format messages slightly different for use in headers 2022-02-02 10:02:27 -08:00
merge-recursive.h merge-ort: format messages slightly different for use in headers 2022-02-02 10:02:27 -08:00
merge.c unpack-trees: introduce preserve_ignored to unpack_trees_options 2021-09-27 13:38:37 -07:00
mergesort.c mergesort: avoid left shift overflow 2021-11-18 12:42:06 -08:00
mergesort.h
midx.c Merge branch 'tb/midx-no-bitmap-for-no-objects' 2022-02-18 13:53:30 -08:00
midx.h midx: read RIDX chunk when present 2022-01-27 12:07:53 -08:00
name-hash.c Merge branch 'ds/sparse-index-protections' 2021-04-30 13:50:26 +09:00
notes-cache.c
notes-cache.h
notes-merge.c Merge branch 'ab/diff-free-more' 2022-02-25 15:47:36 -08:00
notes-merge.h
notes-utils.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
notes-utils.h
notes.c hash: provide per-algorithm null OIDs 2021-04-27 16:31:39 +09:00
notes.h
object-file.c object-file: use designated initializers for "struct git_hash_algo" 2022-02-24 15:59:14 -08:00
object-name.c Merge branch 'ab/date-mode-release' 2022-02-25 15:47:36 -08:00
object-store.h Merge branch 'ns/tmp-objdir' 2022-01-03 16:24:15 -08:00
object.c Merge branch 'ns/tmp-objdir' 2022-01-03 16:24:15 -08:00
object.h *.[ch] *_INIT macros: use { 0 } for a "zero out" idiom 2021-09-27 14:47:59 -07:00
oid-array.c oid_pos(): access table through const pointers 2021-01-28 12:03:26 -08:00
oid-array.h *.[ch] *_INIT macros: use { 0 } for a "zero out" idiom 2021-09-27 14:47:59 -07:00
oidmap.c
oidmap.h
oidset.c oidset: make oidset_size() an inline function 2021-09-12 16:14:32 -07:00
oidset.h oidset: make oidset_size() an inline function 2021-09-12 16:14:32 -07:00
oidtree.c oidtree: avoid unaligned access to crit-bit tree 2021-08-15 13:13:50 -07:00
oidtree.h oidtree: a crit-bit tree for odb_loose_cache 2021-07-07 21:28:04 -07:00
pack-bitmap-write.c Merge branch 'ab/only-single-progress-at-once' 2022-02-25 15:47:35 -08:00
pack-bitmap.c pack-bitmap.c: gracefully fallback after opening pack/MIDX 2022-01-27 12:07:53 -08:00
pack-bitmap.h Merge branch 'tb/repack-write-midx' 2021-10-18 15:47:57 -07:00
pack-check.c Merge branch 'ab/fsck-unexpected-type' 2021-10-25 16:06:56 -07:00
pack-objects.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
pack-objects.h pack-objects: move static inline from a header to the sole consumer 2021-05-27 12:14:41 +09:00
pack-revindex.c midx: read RIDX chunk when present 2022-01-27 12:07:53 -08:00
pack-revindex.h pack-revindex.h: correct the time complexity descriptions 2021-09-15 22:16:25 -07:00
pack-write.c Merge branch 'tb/pack-finalize-ordering' into maint 2021-10-12 13:51:46 -07:00
pack.h pack-write: split up finish_tmp_packfile() function 2021-09-09 18:23:11 -07:00
packfile.c Merge branch 'jt/pack-header-lshift-overflow' 2022-01-12 15:11:41 -08:00
packfile.h Merge branch 'tb/pack-revindex-on-disk-cleanup' 2021-12-15 09:39:50 -08:00
pager.c pager: fix crash when pager program doesn't exist 2021-11-24 16:14:10 -08:00
parallel-checkout.c i18n: factorize "invalid value" messages 2022-02-04 13:58:28 -08:00
parallel-checkout.h parallel-checkout: support progress displaying 2021-04-19 11:57:05 -07:00
parse-options-cb.c branch: add flags and config to inherit tracking 2021-12-20 22:40:21 -08:00
parse-options.c Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
parse-options.h Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
patch-delta.c
patch-ids.c use CALLOC_ARRAY 2021-03-13 16:00:09 -08:00
patch-ids.h
path.c Merge branch 'lh/systemd-timers' 2021-09-20 15:20:40 -07:00
path.h *.[ch] *_INIT macros: use { 0 } for a "zero out" idiom 2021-09-27 14:47:59 -07:00
pathspec.c add: skip tracked paths outside sparse-checkout cone 2021-09-28 10:31:02 -07:00
pathspec.h pathspec: use BUG(...) not die("BUG:%s:%d....", <file>, <line>) 2021-12-07 12:31:17 -08:00
pkt-line.c fetch-pack: redact packfile urls in traces 2021-11-11 10:07:43 -08:00
pkt-line.h fetch-pack: redact packfile urls in traces 2021-11-11 10:07:43 -08:00
preload-index.c preload-index: log the number of lstat calls to trace2 2021-02-16 17:14:34 -08:00
pretty.c Merge branch 'es/pretty-describe-more' 2021-12-15 09:39:48 -08:00
pretty.h date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
prio-queue.c
prio-queue.h
progress.c progress API: unify stop_progress{,_msg}(), fix trace2 bug 2022-02-03 15:39:59 -08:00
progress.h progress API: unify stop_progress{,_msg}(), fix trace2 bug 2022-02-03 15:39:59 -08:00
promisor-remote.c Merge branch 'jt/partial-clone-submodule-1' 2021-07-16 17:42:53 -07:00
promisor-remote.h promisor-remote: support per-repository config 2021-06-28 09:57:42 -07:00
prompt.c run-command API users: use strvec_push(), not argv construction 2021-11-25 22:15:07 -08:00
prompt.h
protocol-caps.c Merge branch 'ab/serve-cleanup' 2021-09-20 15:20:43 -07:00
protocol-caps.h serve.[ch]: don't pass "struct strvec *keys" to commands 2021-08-05 08:59:37 -07:00
protocol.c connect, protocol: log negotiated protocol version 2021-08-10 11:46:33 -07:00
protocol.h
prune-packed.c
prune-packed.h
quote.c ref-filter: --format=%(raw) support --perl 2021-07-26 12:01:25 -07:00
quote.h Merge branch 'zh/ref-filter-raw-data' 2021-08-24 15:32:37 -07:00
range-diff.c i18n: refactor "foo and bar are mutually exclusive" 2022-01-05 13:29:23 -08:00
range-diff.h Merge branch 'js/range-diff-one-side-only' 2021-02-17 17:21:41 -08:00
reachable.c object.h: add lookup_object_by_type() function 2021-06-28 20:30:18 -07:00
reachable.h
read-cache.c Merge branch 'vd/sparse-clean-etc' 2022-02-17 16:25:05 -08:00
README.md Merge branch 'po/readme-mention-contributor-hints' 2022-02-09 14:20:59 -08:00
rebase-interactive.c rebase: remove a no-longer-used function 2021-09-07 21:45:33 -07:00
rebase-interactive.h rebase: remove a no-longer-used function 2021-09-07 21:45:33 -07:00
rebase.c pull: remove support for --rebase=preserve 2021-09-07 21:45:32 -07:00
rebase.h pull: remove support for --rebase=preserve 2021-09-07 21:45:32 -07:00
ref-filter.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
ref-filter.h for-each-ref: delay parsing of --sort=<atom> options 2021-10-20 14:33:07 -07:00
reflog-walk.c refs: make repo_dwim_log() accept a NULL oid 2021-08-25 13:27:37 -07:00
reflog-walk.h date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
refs.c Merge branch 'ab/date-mode-release' 2022-02-25 15:47:36 -08:00
refs.h Merge branch 'ps/avoid-unnecessary-hook-invocation-with-packed-refs' 2022-02-18 13:53:27 -08:00
refspec.c refspec.c: use designated initializers for "struct refspec_item" 2022-02-24 15:59:53 -08:00
refspec.h
RelNotes Name the next one 2.36 to prepare for 2.35.1 2022-01-28 16:57:10 -08:00
remote-curl.c run-command API users: use strvec_pushv(), not argv assignment 2021-11-25 22:15:07 -08:00
remote.c refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
remote.h remote: die if branch is not found in repository 2021-11-18 22:31:19 -08:00
replace-object.c
replace-object.h
repo-settings.c Merge branch 'en/fetch-negotiation-default-fix' 2022-02-16 15:14:30 -08:00
repository.c Merge branch 'ns/tmp-objdir' 2022-01-03 16:24:15 -08:00
repository.h Merge branch 'en/fetch-negotiation-default-fix' 2022-02-16 15:14:30 -08:00
rerere.c ll-merge: make callers responsible for showing warnings 2022-02-02 10:02:27 -08:00
rerere.h
reset.c Merge branch 'pw/use-in-process-checkout-in-rebase' 2022-02-18 13:53:27 -08:00
reset.h rebase --apply: set ORIG_HEAD correctly 2022-01-26 12:08:53 -08:00
resolve-undo.c Merge branch 'ds/sparse-index-protections' 2021-04-30 13:50:26 +09:00
resolve-undo.h
revision.c Merge branch 'ab/grep-patterntype' 2022-02-25 15:47:36 -08:00
revision.h Merge branch 'ah/log-no-graph' 2022-02-23 16:58:03 -08:00
run-command.c Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
run-command.h run-command: remove old run_hook_{le,ve}() hook API 2022-01-07 15:19:35 -08:00
SECURITY.md SECURITY: describe how to report vulnerabilities 2021-03-27 15:13:02 -07:00
send-pack.c Merge branch 'fs/ssh-signing' 2021-10-25 16:06:58 -07:00
send-pack.h
sequencer.c Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
sequencer.h create_autostash(): remove unneeded parameter 2022-01-26 12:08:53 -08:00
serve.c serve: reject commands used as capabilities 2021-09-15 12:25:19 -07:00
serve.h serve.[ch]: remove "serve_options", split up --advertise-refs code 2021-08-05 08:59:37 -07:00
server-info.c *.c static functions: add missing __attribute__((format)) 2021-07-13 15:20:20 -07:00
setup.c i18n: factorize "invalid value" messages 2022-02-04 13:58:28 -08:00
sh-i18n--envsubst.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
sha1dc_git.c
sha1dc_git.h
shallow.c git-rev-list: add --exclude-first-parent-only flag 2022-01-12 11:08:42 -08:00
shallow.h *.h: move some *_INIT to designated initializers 2021-09-27 14:48:00 -07:00
shell.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
shortlog.h
sideband.c sideband: don't lose clear-to-eol at packet boundary 2021-06-17 14:11:36 +09:00
sideband.h
sigchain.c
sigchain.h
simple-ipc.h Merge branch 'jh/builtin-fsmonitor-part1' 2021-10-13 15:15:58 -07:00
sparse-index.c Merge branch 'ds/sparse-checkout-requires-per-worktree-config' 2022-02-25 15:47:33 -08:00
sparse-index.h sparse-index: add ensure_correct_sparsity function 2021-11-24 16:32:38 -08:00
split-index.c split-index: it really is incompatible with the sparse index 2022-01-23 17:06:23 -08:00
split-index.h
stable-qsort.c stable-qsort: avoid using potentially unaligned access 2022-01-07 15:48:40 -08:00
strbuf.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
strbuf.h strbuf.h: use BUG(...) not die("BUG: ...") 2021-12-07 12:31:16 -08:00
streaming.c object-file.c: stop dying in parse_loose_header() 2021-10-01 15:06:00 -07:00
streaming.h
string-list.c string-list.[ch]: remove string_list_init() compatibility function 2021-09-28 14:43:38 -07:00
string-list.h string-list.[ch]: remove string_list_init() compatibility function 2021-09-28 14:43:38 -07:00
strmap.c *.c *_init(): define in terms of corresponding *_INIT macro 2021-07-01 12:32:22 -07:00
strmap.h
strvec.c *.c *_init(): define in terms of corresponding *_INIT macro 2021-07-01 12:32:22 -07:00
strvec.h *.h: move some *_INIT to designated initializers 2021-09-27 14:48:00 -07:00
sub-process.c run-command API: remove "argv" member, always use "args" 2021-11-25 22:15:07 -08:00
sub-process.h
submodule-config.c Merge branch 'ja/i18n-common-messages' 2022-02-25 15:47:35 -08:00
submodule-config.h branch: add --recurse-submodules option for branch creation 2022-02-04 08:16:39 -08:00
submodule.c branch: add --recurse-submodules option for branch creation 2022-02-04 08:16:39 -08:00
submodule.h branch: add --recurse-submodules option for branch creation 2022-02-04 08:16:39 -08:00
symlinks.c symlinks: do not include startup_info->original_cwd in dir removal 2021-12-09 13:33:13 -08:00
tag.c ssh signing: make verify-tag consider key lifetime 2021-12-09 13:38:04 -08:00
tag.h
tar.h
tempfile.c
tempfile.h
thread-utils.c
thread-utils.h
tmp-objdir.c log: clean unneeded objects during log --remerge-diff 2022-02-02 10:02:27 -08:00
tmp-objdir.h log: clean unneeded objects during log --remerge-diff 2022-02-02 10:02:27 -08:00
trace2.c trace2: add trace2_child_ready() to report on background children 2021-09-20 08:57:58 -07:00
trace2.h Merge branch 'jh/builtin-fsmonitor-part1' 2021-10-13 15:15:58 -07:00
trace.c
trace.h *.h: move some *_INIT to designated initializers 2021-09-27 14:48:00 -07:00
trailer.c run-command API: remove "env" member, always use "env_array" 2021-11-25 22:15:08 -08:00
trailer.h
transport-helper.c Merge branch 'jk/http-push-status-fix' 2021-10-29 15:43:12 -07:00
transport-internal.h transport: rename "fetch" in transport_vtable to "fetch_refs" 2021-08-05 08:59:36 -07:00
transport.c ls-remote & transport API: release "struct transport_ls_refs_options" 2022-02-06 18:02:34 -08:00
transport.h ls-remote & transport API: release "struct transport_ls_refs_options" 2022-02-06 18:02:34 -08:00
tree-diff.c pathspec: use BUG(...) not die("BUG:%s:%d....", <file>, <line>) 2021-12-07 12:31:17 -08:00
tree-walk.c Always use oidread to read into struct object_id 2021-04-27 16:31:38 +09:00
tree-walk.h
tree.c tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
tree.h tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
unicode-width.h unicode: update the width tables to Unicode 14 2021-09-17 17:26:21 -07:00
unimplemented.sh
unix-socket.c unix-socket: disallow chdir() when creating unix domain sockets 2021-03-15 14:32:51 -07:00
unix-socket.h unix-socket: disallow chdir() when creating unix domain sockets 2021-03-15 14:32:51 -07:00
unix-stream-server.c unix-stream-server: create unix domain socket under lock 2021-03-15 14:32:51 -07:00
unix-stream-server.h unix-stream-server: create unix domain socket under lock 2021-03-15 14:32:51 -07:00
unpack-trees.c Merge branch 'en/keep-cwd' 2022-01-05 14:01:28 -08:00
unpack-trees.h unpack-trees: refuse to remove startup_info->original_cwd 2021-12-09 13:33:12 -08:00
upload-pack.c upload-pack.c: increase output buffer size 2021-12-15 11:51:18 -08:00
upload-pack.h serve.[ch]: remove "serve_options", split up --advertise-refs code 2021-08-05 08:59:37 -07:00
url.c
url.h
urlmatch.c urlmatch: add underscore to URL_HOST_CHARS 2021-10-12 18:29:25 -07:00
urlmatch.h urlmatch.[ch]: add and use URLMATCH_CONFIG_INIT 2021-10-01 14:22:51 -07:00
usage.c config API: use get_error_routine(), not vreportf() 2021-12-07 13:25:16 -08:00
userdiff.c userdiff.c: use designated initializers for "struct userdiff_driver" 2022-02-24 15:59:27 -08:00
userdiff.h userdiff: add and use for_each_userdiff_driver() 2021-04-08 12:19:10 -07:00
utf8.c t0060: test ntfs/hfs-obscured dotfiles 2021-05-04 11:52:02 +09:00
utf8.h t0060: test ntfs/hfs-obscured dotfiles 2021-05-04 11:52:02 +09:00
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c lookup_unknown_object(): take a repository argument 2021-04-13 13:18:46 -07:00
walker.h
wildmatch.c
wildmatch.h
worktree.c Merge branch 'ds/sparse-checkout-requires-per-worktree-config' 2022-02-25 15:47:33 -08:00
worktree.h worktree: create init_worktree_config() 2022-02-08 09:49:20 -08:00
wrap-for-bin.sh
wrapper.c wrapper: use a CSPRNG to generate random file names 2022-01-17 14:17:51 -08:00
write-or-die.c Merge branch 'ew/test-wo-fsync' 2021-12-15 09:39:52 -08:00
ws.c
wt-status.c Merge branch 'xw/am-empty' 2022-01-05 14:01:28 -08:00
wt-status.h status: skip sparse-checkout percentage with sparse-index 2021-07-14 13:42:49 -07:00
xdiff-interface.c xdiff: implement a zealous diff3, or "zdiff3" 2021-12-01 14:45:58 -08:00
xdiff-interface.h xdiff-interface: replace discard_hunk_line() with a flag 2021-05-11 12:47:31 +09:00
zlib.c

README.md

Build status

Git - fast, scalable, distributed revision control system

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.

Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.

Please read the file INSTALL for installation instructions.

Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.

See Documentation/gittutorial.txt to get started, then see Documentation/giteveryday.txt for a useful minimum set of commands, and Documentation/git-<commandname>.txt for documentation of each command. If git has been correctly installed, then the tutorial can also be read with man gittutorial or git help tutorial, and the documentation of each command with man git-<commandname> or git help <commandname>.

CVS users may also want to read Documentation/gitcvs-migration.txt (man gitcvs-migration or git help cvs-migration if git is installed).

The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission and Documentation/CodingGuidelines).

Those wishing to help with error message, usage and informational message string translations (localization l10) should see po/README.md (a po file is a Portable Object file that holds the translations).

To subscribe to the list, send an email with just "subscribe git" in the body to majordomo@vger.kernel.org (not the Git list). The mailing list archives are available at https://lore.kernel.org/git/, http://marc.info/?l=git and other archival sites.

Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.

The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.

The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):

  • random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
  • stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
  • "global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
  • "goddamn idiotic truckload of sh*t": when it breaks