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Lars Schneider edcc85814c convert: add filter.<driver>.process option
Git's clean/smudge mechanism invokes an external filter process for
every single blob that is affected by a filter. If Git filters a lot of
blobs then the startup time of the external filter processes can become
a significant part of the overall Git execution time.

In a preliminary performance test this developer used a clean/smudge
filter written in golang to filter 12,000 files. This process took 364s
with the existing filter mechanism and 5s with the new mechanism. See
details here: https://github.com/github/git-lfs/pull/1382

This patch adds the `filter.<driver>.process` string option which, if
used, keeps the external filter process running and processes all blobs
with the packet format (pkt-line) based protocol over standard input and
standard output. The full protocol is explained in detail in
`Documentation/gitattributes.txt`.

A few key decisions:

* The long running filter process is referred to as filter protocol
  version 2 because the existing single shot filter invocation is
  considered version 1.
* Git sends a welcome message and expects a response right after the
  external filter process has started. This ensures that Git will not
  hang if a version 1 filter is incorrectly used with the
  filter.<driver>.process option for version 2 filters. In addition,
  Git can detect this kind of error and warn the user.
* The status of a filter operation (e.g. "success" or "error) is set
  before the actual response and (if necessary!) re-set after the
  response. The advantage of this two step status response is that if
  the filter detects an error early, then the filter can communicate
  this and Git does not even need to create structures to read the
  response.
* All status responses are pkt-line lists terminated with a flush
  packet. This allows us to send other status fields with the same
  protocol in the future.

Helped-by: Martin-Louis Bright <mlbright@gmail.com>
Reviewed-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-17 11:45:52 -07:00
block-sha1 sha1: provide another level of indirection for the SHA-1 functions 2015-11-05 10:35:11 -08:00
builtin pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
ci travis-ci: build documentation 2016-05-10 11:19:07 -07:00
compat Merge branch 'rs/compat-strdup' 2016-09-12 15:34:36 -07:00
contrib Merge branch 'js/import-tars-hardlinks' into maint 2016-09-08 21:35:54 -07:00
Documentation convert: add filter.<driver>.process option 2016-10-17 11:45:52 -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 gitweb: escape link body in format_ref_marker 2016-08-01 12:55:40 -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 l10n: zh_CN: review for git v2.10.0 l10n 2016-09-11 21:34:23 +08:00
ppc sha1: provide another level of indirection for the SHA-1 functions 2015-11-05 10:35:11 -08:00
refs allow do_submodule_path to work even if submodule isn't checked out 2016-08-31 18:07:10 -07:00
t convert: add filter.<driver>.process option 2016-10-17 11:45:52 -07:00
templates push options: {pre,post}-receive hook learns about push options 2016-07-14 15:50:17 -07:00
vcs-svn vcs-svn: use error_errno() 2016-05-09 12:29:08 -07:00
xdiff xdiff: remove unneeded declarations 2016-09-07 09:26:42 -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 Christian Couder's Tuxfamily address 2016-08-08 15:17:24 -07:00
.travis.yml Merge branch 'ls/travis-enable-httpd-tests' into maint 2016-08-10 11:55:23 -07:00
abspath.c Windows: shorten code by re-using convert_slashes() 2016-04-04 18:03:02 -07:00
aclocal.m4
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
archive-tar.c Merge branch 'jk/big-and-future-archive-tar' 2016-08-12 09:47:37 -07:00
archive-zip.c Merge branch 'rs/archive-zip-many' into maint 2015-09-03 19:18:01 -07:00
archive.c i18n: archive: mark errors for translation 2016-08-09 12:44:59 -07:00
archive.h
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
base85.c base85.c: have SP around arithmetic operators 2013-10-16 10:27:26 -07:00
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
blob.h
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
bundle.c bundle: don't leak an fd in case of early return 2016-04-01 10:33:18 -07:00
bundle.h
cache-tree.c cache-tree: do not generate empty trees as a result of all i-t-a subentries 2016-07-18 13:45:33 -07:00
cache-tree.h cache-tree: introduce write_index_as_tree() 2015-08-04 22:02:11 -07:00
cache.h Merge branch 'rs/hex2chr' 2016-09-12 15:34:36 -07:00
check_bindir
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
color.c Merge branch 'jk/squelch-false-warning-from-gcc-o3' 2016-09-12 15:34:33 -07:00
color.h Merge branch 'js/color-on-windows-comment' into maint 2016-07-28 11:25:55 -07:00
column.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
column.h column: support piping stdout to external git-column process 2012-04-27 09:26:38 -07:00
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 'vs/typofix' 2016-08-12 09:47:37 -07:00
commit.c Merge branch 'rs/pull-signed-tag' 2016-08-19 15:34:14 -07:00
commit.h Merge branch 'rs/pull-signed-tag' 2016-08-19 15:34:14 -07:00
common-main.c mingw: declare main()'s argv as const 2016-07-06 08:11:47 -07:00
config.c i18n: simplify numeric error reporting 2016-08-24 08:47:20 -07:00
config.mak.in
config.mak.uname Merge branch 'ew/build-time-pager-tweaks' 2016-08-08 14:48:44 -07:00
configure.ac Merge branch 'ew/autoconf-pthread' into maint 2016-08-10 11:55:21 -07:00
connect.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
connect.h connect & http: support -4 and -6 switches for remote operations 2016-02-12 11:34:14 -08:00
connected.c check_connected: add progress flag 2016-07-20 12:11:09 -07:00
connected.h check_connected: add progress flag 2016-07-20 12:11:09 -07:00
convert.c convert: add filter.<driver>.process option 2016-10-17 11:45:52 -07:00
convert.h convert: unify the "auto" handling of CRLF 2016-07-06 11:53:51 -07:00
copy.c copy.c: use error_errno() 2016-05-09 12:29:08 -07:00
COPYING
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
csum-file.c sha1fd_check: die when we cannot open the file 2015-03-19 13:35:15 -07:00
csum-file.h
ctype.c kwset: use unsigned char to store values with high-bit set 2015-03-02 12:32:24 -08:00
daemon.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
date.c date: add "unix" format 2016-07-27 14:15:51 -07:00
decorate.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
decorate.h
delta.h
diff-delta.c
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 'jk/diff-submodule-diff-inline' 2016-09-12 15:34:31 -07:00
diff.h Merge branch 'jk/diff-submodule-diff-inline' 2016-09-12 15:34:31 -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 pass constants as first argument to st_mult() 2016-08-01 14:01:03 -07:00
diffcore.h diff: rename struct diff_filespec's sha1_valid member 2016-06-28 11:39:02 -07:00
dir-iterator.c dir_iterator: new API for iterating over a directory tree 2016-06-20 11:38:21 -07:00
dir-iterator.h dir_iterator: new API for iterating over a directory tree 2016-06-20 11:38:21 -07:00
dir.c Merge branch 'rs/use-strbuf-addbuf' into maint 2016-08-08 14:21:42 -07:00
dir.h Merge branch 'mh/split-under-lock' 2016-07-25 14:13:32 -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: grow stateless RPC windows exponentially 2016-07-19 13:27:22 -07:00
fetch-pack.h
fmt-merge-msg.h
fsck.c fsck: optionally show more helpful info for broken links 2016-07-18 15:15:59 -07:00
fsck.h fsck: give the error function a chance to see the fsck_options 2016-07-18 11:35:00 -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
git-bisect.sh i18n: unmark die messages for translation 2016-06-17 15:46:10 -07:00
git-compat-util.h Merge branch 'rs/compat-strdup' 2016-09-12 15:34:36 -07:00
git-cvsexportcommit.perl
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: always honor fatal error exit codes 2016-08-15 15:24:05 -07:00
git-difftool.perl difftool: use Git::* functions instead of passing around state 2016-07-28 14:01:55 -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
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 Spelling fixes 2016-08-11 14:35:42 -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 i18n: fix git rebase interactive commit messages 2016-08-24 08:43:27 -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
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
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 'ew/build-time-pager-tweaks' 2016-08-08 14:48:44 -07:00
git-stash.sh i18n: git-stash: mark messages for translation 2016-08-10 10:50:18 -07:00
git-submodule.sh Merge branch 'sb/submodule-clone-rr' 2016-09-08 21:49:50 -07:00
git-svn.perl git-svn: allow --version to work anywhere 2016-07-22 20:38:11 +00:00
GIT-VERSION-GEN Start the 2.11 cycle 2016-09-08 22:00:35 -07:00
git-web--browse.sh
git.c Merge branch 'rt/help-unknown' 2016-09-08 21:49:48 -07:00
git.rc
gpg-interface.c Merge branch 'lt/gpg-show-long-key-in-signature-verification-maint' into lt/gpg-show-long-key-in-signature-verification 2016-08-16 15:04:13 -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 graph: add support for --line-prefix on all graph-aware output 2016-08-31 18:07:09 -07:00
graph.h graph: add support for --line-prefix on all graph-aware output 2016-08-31 18:07:09 -07:00
grep.c Merge branch 'js/am-3-merge-recursive-direct' 2016-08-10 12:33:20 -07:00
grep.h Merge branch 'jc/grep-commandline-vs-configuration' into maint 2016-08-10 11:55:29 -07:00
hashmap.c convert trivial cases to FLEX_ARRAY macros 2016-02-22 14:51:09 -08:00
hashmap.h
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 help: add help_unknown_ref() 2013-05-08 15:31:54 -07:00
hex.c Merge branch 'rs/hex2chr' 2016-09-12 15:34:36 -07:00
http-backend.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -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' into maint 2016-09-08 21:35:51 -07:00
http-walker.c http-walker: reduce O(n) ops with doubly-linked list 2016-07-12 15:17:42 -07:00
http.c Merge branch 'rs/use-strbuf-addstr' 2016-08-08 14:48:41 -07:00
http.h Merge branch 'ep/http-curl-trace' 2016-07-06 13:38:06 -07:00
ident.c Merge branch 'jk/reset-ident-time-per-commit' into maint 2016-08-12 09:16:56 -07:00
imap-send.c die("bug"): report bugs consistently 2016-07-26 11:13:44 -07:00
INSTALL
iterator.h refs: introduce an iterator interface 2016-06-20 11:38:20 -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
LGPL-2.1
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
line-range.h
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
list.h list: avoid incompatibility with *BSD sys/queue.h 2016-07-18 11:06:51 -07:00
ll-merge.c Merge branch 'jc/ll-merge-internal' 2016-05-17 14:38:32 -07:00
ll-merge.h
lockfile.c lockfile: improve error message when lockfile exists 2016-03-01 10:16:46 -08:00
lockfile.h mingw: ensure temporary file handles are not inherited by child processes 2016-08-23 09:09:55 -07:00
log-tree.c graph: add support for --line-prefix on all graph-aware output 2016-08-31 18:07:09 -07:00
log-tree.h
mailinfo.c Merge branch 'rs/mailinfo-lib' into maint 2016-09-08 21:36:01 -07:00
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
Makefile Merge branch 'rs/compat-strdup' 2016-09-12 15:34:36 -07:00
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
merge-recursive.c Merge branch 'rs/merge-recursive-string-list-init' into maint 2016-09-08 21:35:59 -07:00
merge-recursive.h merge-recursive: offer an option to retain the output in 'obuf' 2016-08-01 11:45:30 -07:00
merge.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
mergesort.c
mergesort.h
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
notes-merge.c Merge branch 'rs/notes-merge-no-toctou' 2016-07-28 10:34:41 -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 fsck: use streaming interface for large blobs in pack 2016-07-13 09:15:29 -07:00
pack-objects.c
pack-objects.h
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 fsck: use streaming interface for large blobs in pack 2016-07-13 09:15:29 -07:00
pager.c pager: move pager-specific setup into the build 2016-08-04 13:51:02 -07:00
parse-options-cb.c Merge branch 'jk/parse-options-concat' 2016-08-03 15:10:25 -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: allocate a new array when concatenating 2016-07-06 10:11:08 -07:00
patch-delta.c
patch-ids.c rebase: avoid computing unnecessary patch IDs 2016-08-11 14:39:16 -07:00
patch-ids.h rebase: avoid computing unnecessary patch IDs 2016-08-11 14:39:16 -07:00
path.c Merge branch 'jk/diff-submodule-diff-inline' 2016-09-12 15:34:31 -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: add functions to read/write flush terminated packet streams 2016-10-17 11:36:50 -07:00
pkt-line.h pkt-line: add functions to read/write flush terminated packet streams 2016-10-17 11:36:50 -07:00
preload-index.c
pretty.c Merge branch 'rs/hex2chr' 2016-09-12 15:34:36 -07:00
prio-queue.c
prio-queue.h
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' into maint 2016-07-28 11:26:03 -07:00
quote.h Merge branch 'nd/icase' into maint 2016-07-28 11:26:03 -07:00
reachable.c reachable.c: use error_errno() 2016-05-09 12:29:08 -07:00
reachable.h
read-cache.c Merge branch 'jc/renormalize-merge-kill-safer-crlf' into maint 2016-09-08 21:35:52 -07:00
README.md README.md: format CLI commands with code syntax 2016-05-31 08:54:24 -07:00
ref-filter.c introduce hex2chr() for converting two hexadecimal digits to a character 2016-09-07 10:42:46 -07:00
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 pass constants as first argument to st_mult() 2016-08-01 14:01:03 -07:00
refs.h Merge branch 'mh/ref-iterators' 2016-07-25 14:13:33 -07:00
RelNotes Start the 2.11 cycle 2016-09-08 22:00:35 -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 'jk/push-force-with-lease-creation' into maint 2016-09-08 21:35:53 -07:00
remote.h Merge branch 'jk/push-force-with-lease-creation' into maint 2016-09-08 21:35:53 -07:00
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.h
revision.c Merge branch 'kw/patch-ids-optim' 2016-08-12 09:47:39 -07:00
revision.h Merge branch 'lt/pretty-expand-tabs' 2016-04-13 14:12:36 -07:00
run-command.c run-command: add clean_on_exit_handler 2016-10-17 11:36:50 -07:00
run-command.h run-command: add clean_on_exit_handler 2016-10-17 11:36:50 -07:00
send-pack.c Merge branch 'rs/use-strbuf-addstr' 2016-08-08 14:48:41 -07:00
send-pack.h push: accept push options 2016-07-14 15:50:41 -07:00
sequencer.c i18n: fix typos for translation 2016-08-24 08:41:22 -07:00
sequencer.h
server-info.c server-info.c: use error_errno() 2016-05-09 12:29:08 -07:00
setup.c i18n: setup: mark error messages for translation 2016-08-09 12:44:59 -07:00
sh-i18n--envsubst.c add an extra level of indirection to main() 2016-07-01 15:09:10 -07:00
sha1_file.c Merge branch 'jk/diff-submodule-diff-inline' 2016-09-12 15:34:31 -07:00
sha1_name.c Merge branch 'bc/object-id' 2016-05-06 14:45:44 -07:00
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
shallow.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
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' into maint 2016-08-08 14:21:41 -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
strbuf.c Merge branch 'rs/use-strbuf-addbuf' into maint 2016-08-08 14:21:42 -07:00
strbuf.h Merge branch 'rs/use-strbuf-addbuf' into maint 2016-08-08 14:21:42 -07:00
streaming.c Merge branch 'sb/plug-streaming-leak' 2015-04-14 11:49:09 -07:00
streaming.h
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
submodule-config.c Merge branch 'sb/submodule-update-dot-branch' 2016-08-10 12:33:20 -07:00
submodule-config.h submodule-config: keep configured branch around 2016-08-01 14:42:07 -07:00
submodule.c Merge branch 'jc/submodule-anchor-git-dir' 2016-09-12 15:34:34 -07:00
submodule.h diff: teach diff to display submodule difference with an inline diff 2016-08-31 18:07:10 -07:00
symlinks.c
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
tempfile.c mingw: ensure temporary file handles are not inherited by child processes 2016-08-23 09:09:55 -07:00
tempfile.h mingw: ensure temporary file handles are not inherited by child processes 2016-08-23 09:09:55 -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
trace.c trace: do not fall back to stderr 2016-08-05 09:28:17 -07:00
trace.h pkt-line: support tracing verbatim pack contents 2015-06-16 13:24:22 -07:00
trailer.c die("bug"): report bugs consistently 2016-07-26 11:13:44 -07:00
trailer.h interpret-trailers: add option for in-place editing 2016-01-14 12:22:17 -08:00
transport-helper.c Spelling fixes 2016-08-11 14:35:42 -07:00
transport.c Merge branch 'rs/use-strbuf-add-unique-abbrev' into maint 2016-09-08 21:36:00 -07:00
transport.h push: accept push options 2016-07-14 15:50:41 -07:00
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
unimplemented.sh unimplemented.sh: use the $( ... ) construct for command substitution 2015-12-27 15:33:13 -08:00
unix-socket.c
unix-socket.h
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
update_unicode.sh
upload-pack.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
url.c introduce hex2chr() for converting two hexadecimal digits to a character 2016-09-07 10:42:46 -07:00
url.h
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 error_errno: use constant return similar to error() 2016-08-31 11:11:54 -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
varint.h
version.c
version.h
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
worktree.c Merge branch 'nd/worktree-lock' 2016-07-28 10:34:42 -07:00
worktree.h worktree.c: add is_worktree_locked() 2016-06-13 11:53:14 -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 'sb/submodule-parallel-fetch' into maint 2016-07-28 11:26:02 -07:00
write_or_die.c run-command: move check_pipe() from write_or_die to run_command 2016-10-17 11:36:49 -07:00
ws.c
wt-status.c Merge branch 'jh/status-v2-porcelain' 2016-09-08 21:49:50 -07:00
wt-status.h status: print branch info with --porcelain=v2 --branch 2016-08-11 11:15:40 -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

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