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A fork of Git containing Microsoft-specific patches.
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Jeff King 56dfeb6263 pack-objects: compute local/ignore_pack_keep early 
In want_object_in_pack(), we can exit early from our loop if
neither "local" nor "ignore_pack_keep" are set. If they are,
however, we must examine each pack to see if it has the
object and is non-local or has a ".keep".

It's quite common for there to be no non-local or .keep
packs at all, in which case we know ahead of time that
looking further will be pointless. We can pre-compute this
by simply iterating over the list of packs ahead of time,
and dropping the flags if there are no packs that could
match.

Another similar strategy would be to modify the loop in
want_object_in_pack() to notice that we have already found
the object once, and that we are looping only to check for
"local" and "keep" attributes. If a pack has neither of
those, we can skip the call to find_pack_entry_one(), which
is the expensive part of the loop.

This has two advantages:

  - it isn't all-or-nothing; we still get some improvement
    when there's a small number of kept or non-local packs,
    and a large number of non-kept local packs

  - it eliminates any possible race where we add new
    non-local or kept packs after our initial scan. In
    practice, I don't think this race matters; we already
    cache the packed_git information, so somebody who adds a
    new pack or .keep file after we've started will not be
    noticed at all, unless we happen to need to call
    reprepare_packed_git() because a lookup fails.

    In other words, we're already racy, and the race is not
    a big deal (losing the race means we might include an
    object in the pack that would not otherwise be, which is
    an acceptable outcome).

However, it also has a disadvantage: we still loop over the
rest of the packs for each object to check their flags. This
is much less expensive than doing the object lookup, but
still not free. So if we wanted to implement that strategy
to cover the non-all-or-nothing cases, we could do so in
addition to this one (so you get the most speedup in the
all-or-nothing case, and the best we can do in the other
cases). But given that the all-or-nothing case is likely the
most common, it is probably not worth the trouble, and we
can revisit this later if evidence points otherwise.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
 		2016-07-29 11:05:08 -07:00
Documentation Sixth batch of topics for 2.10 2016-07-19 13:26:16 -07:00
block-sha1 sha1: provide another level of indirection for the SHA-1 functions 2015-11-05 10:35:11 -08:00
builtin pack-objects: compute local/ignore_pack_keep early 2016-07-29 11:05:08 -07:00
ci travis-ci: build documentation 2016-05-10 11:19:07 -07:00
compat Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
contrib Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
ewah ewah: convert to REALLOC_ARRAY, etc 2016-02-22 14:51:09 -08:00
git-gui git-gui/po/glossary/txt-to-pot.sh: use the $( ... ) construct for command substitution 2015-12-27 15:33:13 -08:00
gitk-git Merge branch 'master' of git://ozlabs.org/~paulus/gitk 2016-03-20 18:05:10 -07:00
gitweb Merge branch 'sk/gitweb-highlight-encoding' into HEAD 2016-05-18 14:40:10 -07:00
mergetools mergetools: add support for ExamDiff 2016-04-04 09:15:14 -07:00
perl git-svn: warn instead of dying when commit data is missing 2016-07-09 22:53:54 +00:00
po Merge branch 'va/i18n-even-more' 2016-07-13 11:24:10 -07:00
ppc sha1: provide another level of indirection for the SHA-1 functions 2015-11-05 10:35:11 -08:00
refs coccinelle: apply object_id Coccinelle transformations 2016-06-28 11:39:02 -07:00
t t/perf: add tests for many-pack scenarios 2016-07-29 11:05:06 -07:00
templates Merge branch 'ma/update-hooks-sample-typofix' into maint 2016-03-10 11:13:50 -08:00
vcs-svn vcs-svn: use error_errno() 2016-05-09 12:29:08 -07:00
xdiff Merge branch 'rs/xdiff-hunk-with-func-line' into maint 2016-06-27 09:56:24 -07:00
.gitattributes .gitattributes: set file type for C files 2016-07-07 14:11:15 -07:00
.gitignore test helpers: move test-* to t/helper/ subdirectory 2016-04-15 10:12:19 -07:00
.mailmap mailmap: use main email address for dturner 2016-07-06 10:57:01 -07:00
.travis.yml perf: accommodate for MacOSX 2016-06-21 11:18:17 -07:00
COPYING
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GIT-VERSION-GEN Git 2.9.2 2016-07-15 10:48:16 -07:00
INSTALL git-imap-send: use libcurl for implementation 2014-11-10 09:17:27 -08:00
LGPL-2.1
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Makefile add generic most-recently-used list 2016-07-29 11:05:07 -07:00
README.md README.md: format CLI commands with code syntax 2016-05-31 08:54:24 -07:00
RelNotes Git 2.9.2 2016-07-15 10:48:16 -07:00
abspath.c Windows: shorten code by re-using convert_slashes() 2016-04-04 18:03:02 -07:00
aclocal.m4
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advice.c i18n: advice: internationalize message for conflicts 2016-06-17 15:45:48 -07:00
advice.h pull: check if in unresolved merge state 2015-06-18 13:17:16 -07:00
alias.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
alloc.c alloc: factor out commit index 2014-07-28 10:14:33 -07:00
archive-tar.c archive-tar: huge offset and future timestamps would not work on 32-bit 2016-07-15 10:51:55 -07:00
archive-zip.c Merge branch 'rs/archive-zip-many' into maint 2015-09-03 19:18:01 -07:00
archive.c pathspec: rename free_pathspec() to clear_pathspec() 2016-06-02 14:09:22 -07:00
archive.h
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argv-array.c argv-array: add detach function 2016-02-22 14:50:32 -08:00
argv-array.h argv-array: add detach function 2016-02-22 14:50:32 -08:00
attr.c Merge branch 'ss/exc-flag-is-a-collection-of-bits' into maint 2016-04-14 18:37:15 -07:00
attr.h
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base85.c
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bisect.c Merge branch 'jk/printf-format' 2016-07-19 13:22:22 -07:00
bisect.h bisect: simplify the addition of new bisect terms 2015-08-03 11:42:41 -07:00
blob.c add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
blob.h
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branch.c worktree.c: check whether branch is rebased in another worktree 2016-04-22 14:09:38 -07:00
branch.h worktree.c: check whether branch is rebased in another worktree 2016-04-22 14:09:38 -07:00
builtin.h Merge branch 'sb/submodule-helper' 2015-10-05 12:30:19 -07:00
bulk-checkin.c use xsnprintf for generating git object headers 2015-09-25 10:18:18 -07:00
bulk-checkin.h cleanups: ensure that git-compat-util.h is included first 2014-09-15 12:05:14 -07:00
bundle.c bundle: don't leak an fd in case of early return 2016-04-01 10:33:18 -07:00
bundle.h
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cache-tree.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
cache-tree.h cache-tree: introduce write_index_as_tree() 2015-08-04 22:02:11 -07:00
cache.h find_pack_entry: replace last_found_pack with MRU cache 2016-07-29 11:05:07 -07:00
check-builtins.sh check-builtins: strip executable suffix $X when enumerating builtins 2015-02-05 12:03:27 -08:00
check-racy.c check-racy.c: use error_errno() 2016-05-09 12:29:08 -07:00
check_bindir check_bindir: avoid "test <cond> -a/-o <cond>" 2014-06-09 14:47:06 -07:00
color.c Merge branch 'jk/ansi-color' 2016-07-11 10:31:05 -07:00
color.h Merge branch 'js/color-on-windows-comment' 2016-07-11 10:31:09 -07:00
column.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
column.h
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combine-diff.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
command-list.txt Merge branch 'nd/multiple-work-trees' 2015-07-13 14:02:02 -07:00
commit-slab.h Merge branch 'jc/commit-slab' 2015-08-03 11:01:21 -07:00
commit.c Merge branch 'jk/printf-format' 2016-07-19 13:22:22 -07:00
commit.h Merge branch 'jk/printf-format' 2016-07-19 13:22:22 -07:00
common-main.c mingw: declare main()'s argv as const 2016-07-06 08:11:47 -07:00
config.c Merge branch 'jk/upload-pack-hook' 2016-07-06 13:38:11 -07:00
config.mak.in
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config.mak.uname mingw: make isatty() recognize MSYS2's pseudo terminals (/dev/pty*) 2016-05-26 13:12:02 -07:00
configure.ac Merge branch 'ky/imap-send-openssl-1.1.0' into maint 2016-05-06 14:53:24 -07:00
connect.c connect: read $GIT_SSH_COMMAND from config file 2016-07-06 14:04:09 -07:00
connect.h connect & http: support -4 and -6 switches for remote operations 2016-02-12 11:34:14 -08:00
connected.c connected.c: use error_errno() 2016-05-09 12:29:08 -07:00
connected.h connected.c: add new variant that runs with --shallow-file 2013-12-10 16:14:18 -08:00
convert.c convert.c: ident + core.autocrlf didn't work 2016-04-25 12:12:03 -07:00
convert.h ls-files: add eol diagnostics 2016-01-18 19:48:43 -08:00
copy.c copy.c: use error_errno() 2016-05-09 12:29:08 -07:00
credential-cache--daemon.c Merge branch 'jk/common-main-2.8' into jk/common-main 2016-07-06 10:02:57 -07:00
credential-cache.c add an extra level of indirection to main() 2016-07-01 15:09:10 -07:00
credential-store.c add an extra level of indirection to main() 2016-07-01 15:09:10 -07:00
credential.c credential: let empty credential specs reset helper list 2016-02-26 10:58:14 -08:00
credential.h credential: let helpers tell us to quit 2014-12-04 10:11:12 -08:00
csum-file.c sha1fd_check: die when we cannot open the file 2015-03-19 13:35:15 -07:00
csum-file.h Merge branch 'jk/pack-bitmap' 2014-12-12 14:31:42 -08:00
ctype.c kwset: use unsigned char to store values with high-bit set 2015-03-02 12:32:24 -08:00
daemon.c Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
date.c local_tzoffset: detect errors from tm_to_time_t 2016-06-20 15:08:07 -07:00
decorate.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
decorate.h
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delta.h comments: fix misuses of "nor" 2014-03-31 15:29:27 -07:00
diff-delta.c
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diff-lib.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
diff-no-index.c diff-no-index.c: use error_errno() 2016-05-09 12:29:08 -07:00
diff.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
diff.h Merge branch 'mm/diff-renames-default' 2016-04-03 10:29:22 -07:00
diffcore-break.c diff: rename struct diff_filespec's sha1_valid member 2016-06-28 11:39:02 -07:00
diffcore-delta.c use st_add and st_mult for allocation size computation 2016-02-22 14:51:09 -08:00
diffcore-order.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
diffcore-pickaxe.c diffcore-pickaxe: support case insensitive match on non-ascii 2016-07-01 12:44:57 -07:00
diffcore-rename.c diff: rename struct diff_filespec's sha1_valid member 2016-06-28 11:39:02 -07:00
diffcore.h diff: rename struct diff_filespec's sha1_valid member 2016-06-28 11:39:02 -07:00
dir.c Merge branch 'nd/worktree-various-heads' 2016-05-23 14:54:29 -07:00
dir.h Merge branch 'nd/worktree-various-heads' 2016-05-23 14:54:29 -07:00
editor.c editor.c: use error_errno() 2016-05-09 12:29:08 -07:00
entry.c entry.c: use error_errno() 2016-05-09 12:29:08 -07:00
environment.c Merge branch 'js/windows-dotgit' into maint 2016-05-26 13:17:23 -07:00
exec_cmd.c Merge branch 'ak/extract-argv0-last-dir-sep' into maint 2016-03-10 11:13:47 -08:00
exec_cmd.h prepare_{git,shell}_cmd: use argv_array 2016-02-22 14:51:09 -08:00
fast-import.c Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
fetch-pack.c fetch-pack: isolate sigpipe in demuxer thread 2016-04-20 13:33:56 -07:00
fetch-pack.h Merge branch 'nd/shallow-clone' 2014-01-17 12:21:20 -08:00
fmt-merge-msg.h
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fsck.c Merge branch 'jc/fsck-nul-in-commit' 2016-05-17 14:38:34 -07:00
fsck.h fsck: git receive-pack: support excluding objects from fsck'ing 2015-06-23 14:27:37 -07:00
generate-cmdlist.sh generate-cmdlist: re-implement as shell script 2015-08-25 11:24:31 -07:00
gettext.c gettext: add is_utf8_locale() 2016-07-01 12:44:57 -07:00
gettext.h gettext: add is_utf8_locale() 2016-07-01 12:44:57 -07:00
git-add--interactive.perl add--interactive: respect diff.compactionHeuristic 2016-06-16 11:38:58 -07:00
git-archimport.perl
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git-bisect.sh i18n: unmark die messages for translation 2016-06-17 15:46:10 -07:00
git-compat-util.h Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
git-cvsexportcommit.perl
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git-cvsimport.perl Merge branch 'cn/cvsimport-perl-update' 2015-06-25 11:08:08 -07:00
git-cvsserver.perl typofix: assorted typofixes in comments, documentation and messages 2016-05-06 13:16:37 -07:00
git-difftool--helper.sh difftool/mergetool: make the form of yes/no questions consistent 2016-04-25 15:15:17 -07:00
git-difftool.perl difftool: handle unmerged files in dir-diff mode 2016-05-16 14:53:05 -07:00
git-filter-branch.sh Merge branch 'jk/filter-branch-no-index' into maint 2016-02-05 14:54:13 -08:00
git-instaweb.sh git-instaweb: use @SHELL_PATH@ instead of /bin/sh 2015-03-10 15:10:35 -07:00
git-merge-octopus.sh i18n: git-sh-setup.sh: mark strings for translation 2016-06-17 15:45:48 -07:00
git-merge-one-file.sh Merge branch 'jk/no-diff-emit-common' into maint 2016-03-10 11:13:42 -08:00
git-merge-resolve.sh
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git-mergetool--lib.sh Merge branch 'nf/mergetool-prompt' 2016-05-03 14:08:17 -07:00
git-mergetool.sh Merge branch 'nf/mergetool-prompt' into HEAD 2016-05-18 14:40:07 -07:00
git-p4.py Merge branch 'ls/p4-tmp-refs' 2016-07-19 13:22:24 -07:00
git-parse-remote.sh i18n: git-parse-remote.sh: mark strings for translation 2016-04-19 12:07:49 -07:00
git-quiltimport.sh git-quiltimport: add commandline option --series <file> 2015-09-01 11:10:07 -07:00
git-rebase--am.sh rebase: update comment about FreeBSD /bin/sh 2016-06-17 11:04:38 -07:00
git-rebase--interactive.sh Merge branch 'ps/rebase-i-auto-unstash-upon-abort' 2016-07-13 11:24:17 -07:00
git-rebase--merge.sh Merge branch 'em/newer-freebsd-shells-are-fine-with-returns' into maint 2016-07-06 13:06:41 -07:00
git-rebase.sh i18n: git-sh-setup.sh: mark strings for translation 2016-06-17 15:45:48 -07:00
git-relink.perl
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git-remote-testgit.sh transport-helper: do not request symbolic refs to remote helpers 2015-01-21 22:46:59 -08:00
git-request-pull.sh Merge branch 'lt/request-pull' 2014-05-19 10:35:36 -07:00
git-send-email.perl Merge branch 'jc/send-email-skip-backup' 2016-07-11 10:31:04 -07:00
git-sh-i18n.sh i18n: rebase-interactive: mark here-doc strings for translation 2016-06-17 15:45:48 -07:00
git-sh-setup.sh Merge branch 'va/i18n-even-more' 2016-07-13 11:24:10 -07:00
git-stash.sh i18n: git-sh-setup.sh: mark strings for translation 2016-06-17 15:45:48 -07:00
git-submodule.sh Merge branch 'va/i18n-even-more' 2016-07-13 11:24:10 -07:00
git-svn.perl git-svn: clone: Fail on missing url argument 2016-07-03 06:04:47 +00:00
git-web--browse.sh git-web--browse.sh: use the $( ... ) construct for command substitution 2014-04-23 15:17:02 -07:00
git.c common-main: call git_setup_gettext() 2016-07-01 15:09:10 -07:00
git.rc Makefile: Fix compilation of Windows resource file 2014-01-23 10:00:28 -08:00
gpg-interface.c gpg-interface: check gpg signature creation status 2016-06-17 17:03:57 -07:00
gpg-interface.h verify-commit: add option to print raw gpg status information 2015-06-22 14:20:47 -07:00
graph.c Merge branch 'js/log-to-diffopt-file' 2016-07-19 13:22:15 -07:00
graph.h pretty: pass graph width to pretty formatting for use in '%>|(N)' 2016-06-16 11:43:36 -07:00
grep.c Merge branch 'nd/icase' 2016-07-19 13:22:17 -07:00
grep.h grep/pcre: prepare locale-dependent tables for icase matching 2016-07-01 12:44:57 -07:00
hashmap.c convert trivial cases to FLEX_ARRAY macros 2016-02-22 14:51:09 -08:00
hashmap.h hashmap: add string interning API 2014-07-07 13:56:38 -07:00
help.c t0006: skip "far in the future" test when unsigned long is not long enough 2016-07-15 09:05:53 -07:00
help.h
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hex.c hex: add oid_to_hex_r() 2016-06-28 11:39:02 -07:00
http-backend.c Merge branch 'jk/common-main-2.8' into jk/common-main 2016-07-06 10:02:57 -07:00
http-fetch.c common-main: call git_setup_gettext() 2016-07-01 15:09:10 -07:00
http-push.c Merge branch 'jk/common-main-2.8' into jk/common-main 2016-07-06 10:02:57 -07:00
http-walker.c http-walker: store url in a strbuf 2015-09-25 10:18:18 -07:00
http.c Merge branch 'ep/http-curl-trace' 2016-07-06 13:38:06 -07:00
http.h Merge branch 'ep/http-curl-trace' 2016-07-06 13:38:06 -07:00
ident.c Merge branch 'da/user-useconfigonly' into HEAD 2016-05-18 14:40:05 -07:00
imap-send.c Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
khash.h convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
kwset.c kwset: use unsigned char to store values with high-bit set 2015-03-02 12:32:24 -08:00
kwset.h kwset: use unsigned char to store values with high-bit set 2015-03-02 12:32:24 -08:00
levenshtein.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
levenshtein.h
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line-log.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
line-log.h line-log.c: make line_log_data_init() static 2015-01-15 11:05:47 -08:00
line-range.c
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line-range.h
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list-objects.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
list-objects.h list-objects: pass full pathname to callbacks 2016-03-16 10:41:04 -07:00
ll-merge.c Merge branch 'jc/ll-merge-internal' 2016-05-17 14:38:32 -07:00
ll-merge.h
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lockfile.c lockfile: improve error message when lockfile exists 2016-03-01 10:16:46 -08:00
lockfile.h lockfile: remove function "hold_lock_file_for_append" 2015-08-28 11:32:01 -07:00
log-tree.c Merge branch 'js/log-to-diffopt-file' 2016-07-19 13:22:15 -07:00
log-tree.h Merge branch 'jn/parse-config-slot' 2014-10-20 12:23:48 -07:00
mailinfo.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
mailinfo.h mailinfo: remove calls to exit() and die() deep in the callchain 2015-10-21 15:59:34 -07:00
mailmap.c Merge branch 'nd/error-errno' 2016-05-17 14:38:28 -07:00
mailmap.h
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match-trees.c match-trees: convert several leaf functions to use struct object_id 2016-04-25 14:26:29 -07:00
merge-blobs.c Merge branch 'jk/no-diff-emit-common' into maint 2016-03-10 11:13:42 -08:00
merge-blobs.h
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merge-recursive.c merge-recursive: convert merge_recursive_generic() to object_id 2016-06-28 11:39:02 -07:00
merge-recursive.h merge-recursive: convert merge_recursive_generic() to object_id 2016-06-28 11:39:02 -07:00
merge.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
mergesort.c
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mergesort.h
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mru.c add generic most-recently-used list 2016-07-29 11:05:07 -07:00
mru.h add generic most-recently-used list 2016-07-29 11:05:07 -07:00
name-hash.c convert trivial cases to FLEX_ARRAY macros 2016-02-22 14:51:09 -08:00
notes-cache.c notes: allow treeish expressions as notes ref 2016-01-12 15:10:01 -08:00
notes-cache.h
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notes-merge.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
notes-merge.h notes: extract enum notes_merge_strategy to notes-utils.h 2015-08-17 15:36:23 -07:00
notes-utils.c notes: allow treeish expressions as notes ref 2016-01-12 15:10:01 -08:00
notes-utils.h notes: extract parse_notes_merge_strategy to notes-utils 2015-08-17 15:38:32 -07:00
notes.c use string_list initializer consistently 2016-06-13 10:37:51 -07:00
notes.h Merge branch 'jk/notes-merge-from-anywhere' 2016-02-03 14:15:59 -08:00
object.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
object.h Remove get_object_hash. 2015-11-20 08:02:05 -05:00
pack-bitmap-write.c Merge branch 'jk/path-name-safety-2.6' into jk/path-name-safety-2.7 2016-03-16 10:42:32 -07:00
pack-bitmap.c Merge branch 'jk/path-name-safety-2.6' into jk/path-name-safety-2.7 2016-03-16 10:42:32 -07:00
pack-bitmap.h pack-bitmap.c: make pack_bitmap_filename() static 2015-01-15 11:04:10 -08:00
pack-check.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
pack-objects.c use REALLOC_ARRAY for changing the allocation size of arrays 2014-09-18 09:13:42 -07:00
pack-objects.h pack-objects: implement bitmap writing 2013-12-30 12:19:22 -08:00
pack-revindex.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
pack-revindex.h pack-revindex: store entries directly in packed_git 2015-12-21 14:36:28 -08:00
pack-write.c sha1_file: drop free_pack_by_name 2016-07-29 11:05:06 -07:00
pack.h finish_tmp_packfile():use strbuf for pathname construction 2014-03-03 12:15:10 -08:00
pager.c Merge branch 'jc/am-i-v-fix' into maint 2016-03-10 11:13:41 -08:00
parse-options-cb.c Merge branch 'jk/parseopt-string-list' into jk/string-list-static-init 2016-06-13 10:37:48 -07:00
parse-options.c parse-options.c: make OPTION_COUNTUP respect "unspecified" values 2016-05-05 11:52:45 -07:00
parse-options.h parse-options: allow -h as a short option 2015-11-20 08:02:07 -05:00
patch-delta.c
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patch-ids.c patch-ids: make commit_patch_id() a public helper function 2016-04-26 10:49:57 -07:00
patch-ids.h patch-ids: make commit_patch_id() a public helper function 2016-04-26 10:49:57 -07:00
path.c Merge branch 'lp/typofixes' into maint 2016-05-26 13:17:21 -07:00
pathspec.c pathspec: rename free_pathspec() to clear_pathspec() 2016-06-02 14:09:22 -07:00
pathspec.h pathspec: rename free_pathspec() to clear_pathspec() 2016-06-02 14:09:22 -07:00
pkt-line.c pkt-line: show packets in async processes as "sideband" 2015-09-01 15:11:57 -07:00
pkt-line.h comments: fix misuses of "nor" 2014-03-31 15:29:27 -07:00
preload-index.c cache.h: rename cache_def_free to cache_def_clear 2014-07-13 10:12:37 -07:00
pretty.c Merge branch 'nd/graph-width-padded' into maint 2016-07-11 10:44:09 -07:00
prio-queue.c prio-queue: make output stable with respect to insertion 2014-07-15 11:02:54 -07:00
prio-queue.h prio-queue: make output stable with respect to insertion 2014-07-15 11:02:54 -07:00
progress.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
progress.h
…
prompt.c prompt.c: remove git_getpass() nobody uses 2015-01-15 11:02:06 -08:00
prompt.h prompt.c: remove git_getpass() nobody uses 2015-01-15 11:02:06 -08:00
quote.c Merge branch 'nd/icase' 2016-07-19 13:22:17 -07:00
quote.h Merge branch 'nd/icase' 2016-07-19 13:22:17 -07:00
reachable.c reachable.c: use error_errno() 2016-05-09 12:29:08 -07:00
reachable.h pack-objects: match prune logic for discarding objects 2014-10-16 10:10:43 -07:00
read-cache.c add: add --chmod=+x / --chmod=-x options 2016-06-07 17:43:39 -07:00
ref-filter.c ref-filter.c: mark strings for translation 2016-02-29 14:27:58 -08:00
ref-filter.h branch.c: use 'ref-filter' APIs 2015-09-25 08:54:54 -07:00
reflog-walk.c reflog: continue walking the reflog past root commits 2016-06-06 15:06:44 -07:00
reflog-walk.h convert "enum date_mode" into a struct 2015-06-29 11:39:07 -07:00
refs.c refs: move resolve_ref_unsafe into common code 2016-04-10 11:35:41 -07:00
refs.h refs.h: fix misspelt "occurred" in a comment 2016-06-10 14:53:32 -07:00
remote-curl.c Merge branch 'jk/common-main-2.8' into jk/common-main 2016-07-06 10:02:57 -07:00
remote-testsvn.c common-main: call git_extract_argv0_path() 2016-07-01 15:09:10 -07:00
remote.c Merge branch 'nd/remote-plural-ours-plus-theirs' into maint 2016-05-26 13:17:18 -07:00
remote.h remote: simplify remote_is_configured() 2016-02-16 13:33:12 -08:00
replace_object.c register_replace_ref(): rewrite to take an object_id argument 2015-05-25 12:19:35 -07:00
rerere.c Merge branch 'jc/rerere-multi' 2016-05-23 14:54:38 -07:00
rerere.h Merge branch 'jc/rerere-multi' 2016-04-25 15:17:15 -07:00
resolve-undo.c resolve-undo: be specific what part of the index has changed 2014-06-13 11:49:38 -07:00
resolve-undo.h
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revision.c Merge branch 'mj/log-show-signature-conf' 2016-07-11 10:31:08 -07:00
revision.h Merge branch 'lt/pretty-expand-tabs' 2016-04-13 14:12:36 -07:00
run-command.c run-command: add pipe_command helper 2016-06-17 17:03:56 -07:00
run-command.h run-command: add pipe_command helper 2016-06-17 17:03:56 -07:00
send-pack.c send-pack: use buffered I/O to talk to pack-objects 2016-06-08 16:02:40 -07:00
send-pack.h push: support signing pushes iff the server supports it 2015-08-19 12:58:45 -07:00
sequencer.c Merge branch 'va/i18n-even-more' 2016-07-13 11:24:10 -07:00
sequencer.h Merge branch 'jc/conflict-hint' into cc/interpret-trailers-more 2014-11-10 09:56:39 -08:00
server-info.c server-info.c: use error_errno() 2016-05-09 12:29:08 -07:00
setup.c i18n: setup: mark strings for translation 2016-06-17 15:45:48 -07:00
sh-i18n--envsubst.c add an extra level of indirection to main() 2016-07-01 15:09:10 -07:00
sha1-array.c
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sha1-array.h
…
sha1-lookup.c sha1-lookup: handle duplicates in sha1_pos() 2014-10-01 13:32:19 -07:00
sha1-lookup.h
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sha1_file.c find_pack_entry: replace last_found_pack with MRU cache 2016-07-29 11:05:07 -07:00
sha1_name.c Merge branch 'bc/object-id' 2016-05-06 14:45:44 -07:00
shallow.c use st_add and st_mult for allocation size computation 2016-02-22 14:51:09 -08:00
shell.c common-main: call git_setup_gettext() 2016-07-01 15:09:10 -07:00
shortlog.h shortlog: support outputting to streams other than stdout 2016-06-24 14:25:49 -07:00
show-index.c common-main: call git_setup_gettext() 2016-07-01 15:09:10 -07:00
sideband.c Merge branch 'lf/recv-sideband-cleanup' 2016-07-19 13:22:14 -07:00
sideband.h sideband.c: make send_sideband() return void 2016-06-16 11:40:19 -07:00
sigchain.c sigchain: add command to pop all common signals 2015-12-16 12:06:08 -08:00
sigchain.h sigchain: add command to pop all common signals 2015-12-16 12:06:08 -08:00
split-index.c typofix: assorted typofixes in comments, documentation and messages 2016-05-06 13:16:37 -07:00
split-index.h split-index: the reading part 2014-06-13 11:49:40 -07:00
strbuf.c Merge branch 'jk/getwholeline-getdelim-empty' into maint 2016-04-14 18:57:46 -07:00
strbuf.h Merge branch 'pb/strbuf-read-file-doc' into maint 2016-07-06 13:06:45 -07:00
streaming.c Merge branch 'sb/plug-streaming-leak' 2015-04-14 11:49:09 -07:00
streaming.h
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string-list.c string_list: use string-list API in unsorted_string_list_lookup() 2016-04-25 11:48:27 -07:00
string-list.h Merge branch 'sb/string-list' 2014-12-22 12:27:30 -08:00
submodule-config.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
submodule-config.h submodule-config: keep shallow recommendation around 2016-05-27 10:40:45 -07:00
submodule.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
submodule.h Merge branch 'jk/submodule-c-credential' 2016-05-17 14:38:25 -07:00
symlinks.c symlinks: remove PATH_MAX limitation 2014-07-07 11:22:42 -07:00
tag.c verify-tag: move tag verification code to tag.c 2016-04-22 14:06:46 -07:00
tag.h verify-tag: move tag verification code to tag.c 2016-04-22 14:06:46 -07:00
tar.h
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tempfile.c register_tempfile(): new function to handle an existing temporary file 2015-08-10 12:57:14 -07:00
tempfile.h register_tempfile(): new function to handle an existing temporary file 2015-08-10 12:57:14 -07:00
thread-utils.c thread-utils.c: detect CPU count on older BSD-like systems 2015-03-10 15:13:28 -07:00
thread-utils.h pack-objects: set number of threads before checking and warning 2014-10-13 12:53:46 -07:00
trace.c trace: use strbuf for quote_crnl output 2015-09-25 10:18:18 -07:00
trace.h pkt-line: support tracing verbatim pack contents 2015-06-16 13:24:22 -07:00
trailer.c trailer.c: mark strings for translation 2016-02-29 14:27:58 -08:00
trailer.h interpret-trailers: add option for in-place editing 2016-01-14 12:22:17 -08:00
transport-helper.c i18n: transport-helper.c: change N_() call to _() 2016-06-17 15:45:49 -07:00
transport.c i18n: transport: mark strings for translation 2016-06-17 15:45:48 -07:00
transport.h connect & http: support -4 and -6 switches for remote operations 2016-02-12 11:34:14 -08:00
tree-diff.c Merge branch 'jk/avoid-unbounded-alloca' into maint 2016-07-06 13:06:39 -07:00
tree-walk.c tree-walk: convert tree_entry_extract() to use struct object_id 2016-04-25 14:26:28 -07:00
tree-walk.h tree-walk: convert tree_entry_extract() to use struct object_id 2016-04-25 14:26:28 -07:00
tree.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
tree.h Merge branch 'jk/squelch-missing-link-warning-for-unreachable' into maint 2015-06-25 11:02:10 -07:00
unicode_width.h Update of unicode_width.h to Unicode Version 7.0 2014-06-18 10:53:45 -07:00
unimplemented.sh unimplemented.sh: use the $( ... ) construct for command substitution 2015-12-27 15:33:13 -08:00
unix-socket.c Merge branch 'rs/strbuf-getcwd' 2014-09-02 13:28:44 -07:00
unix-socket.h
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unpack-trees.c unpack-trees: fix English grammar in do-this-before-that messages 2016-06-27 08:29:36 -07:00
unpack-trees.h
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update_unicode.sh update_unicode.sh: delete the command group 2014-12-22 10:03:37 -08:00
upload-pack.c Merge branch 'jk/common-main' 2016-07-19 13:22:19 -07:00
url.c use strbuf_complete to conditionally append slash 2015-10-05 11:08:06 -07:00
url.h
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urlmatch.c urlmatch.c: make match_urls() static 2015-01-15 11:05:48 -08:00
urlmatch.h urlmatch.c: make match_urls() static 2015-01-15 11:05:48 -08:00
usage.c usage.c: add warning_errno() and error_errno() 2016-05-09 12:29:08 -07:00
userdiff.c userdiff: add built-in pattern for CSS 2016-06-03 14:45:56 -07:00
userdiff.h diff: clarify textconv interface 2016-02-22 10:40:35 -08:00
utf8.c utf8: add function to align a string into given strbuf 2015-09-17 10:02:48 -07:00
utf8.h typofix: assorted typofixes in comments, documentation and messages 2016-05-06 13:16:37 -07:00
varint.c cleanups: ensure that git-compat-util.h is included first 2014-09-15 12:05:14 -07:00
varint.h cleanups: ensure that git-compat-util.h is included first 2014-09-15 12:05:14 -07:00
version.c
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version.h
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versioncmp.c versionsort: support reorder prerelease suffixes 2015-02-27 13:38:22 -08:00
walker.c walker: let walker_say take arbitrary formats 2016-07-08 10:11:23 -07:00
walker.h walker: let walker_say take arbitrary formats 2016-07-08 10:11:23 -07:00
wildmatch.c typofix: assorted typofixes in comments, documentation and messages 2016-05-06 13:16:37 -07:00
wildmatch.h
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worktree.c Merge branch 'nd/worktree-cleanup-post-head-protection' 2016-07-06 13:38:11 -07:00
worktree.h branch: do not rename a branch under bisect or rebase 2016-04-22 14:09:39 -07:00
wrap-for-bin.sh wrap-for-bin.sh: regenerate bin-wrappers when switching branches 2016-05-10 13:23:34 -07:00
wrapper.c Merge branch 'jk/write-file' 2016-07-19 13:22:23 -07:00
write_or_die.c write_or_die: remove the unused write_or_whine() function 2016-06-10 10:54:27 -07:00
ws.c use strchrnul() in place of strchr() and strlen() 2014-03-10 08:35:30 -07:00
wt-status.c Merge branch 'bc/cocci' 2016-07-19 13:22:16 -07:00
wt-status.h wt-status.c: split bisect detection out of wt_status_get_state() 2016-04-22 14:09:39 -07:00
xdiff-interface.c xdiff: don't trim common tail with -W 2016-05-31 13:08:56 -07:00
xdiff-interface.h xdiff: reject files larger than ~1GB 2015-09-28 14:57:23 -07:00
zlib.c zlib: initialize git_zstream in git_deflate_init{,_gzip,_raw} 2015-03-05 15:46:03 -08:00

README.md

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 http://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-.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). To subscribe to the list, send an email with just "subscribe git" in the body to majordomo@vger.kernel.org. The mailing list archives are available at http://news.gmane.org/gmane.comp.version-control.git/, http://marc.info/?l=git and other archival sites.

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