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d1645d02de
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Anders Kaseorg d1645d02de describe: Delay looking up commits until searching for an inexact match 
Now that struct commit.util is not used until after we've checked that
the argument doesn't exactly match a tag, we can wait until then to
look up the commits for each tag.

This avoids a lot of I/O on --exact-match queries in repositories with
many tags.  For example, 'git describe --exact-match HEAD' becomes
about 12 times faster on a cold cache (3.2s instead of 39s) in a
linux-2.6 repository with 2000 packed tags.  That is a huge win for the
interactivity of the __git_ps1 shell prompt helper when on a detached
HEAD.

Signed-off-by: Anders Kaseorg <andersk@ksplice.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-09 11:20:26 -08:00
block-sha1 msvc: Select the "fast" definition of the {get,put}_be32() macros 2010-06-27 21:59:32 -07:00
builtin describe: Delay looking up commits until searching for an inexact match 2010-12-09 11:20:26 -08:00
compat mingw: do not set errno to 0 on success 2010-11-23 16:08:01 -08:00
contrib Merge branch 'maint-1.7.2' into maint 2010-12-01 16:40:26 -08:00
Documentation Git 1.7.3.3 2010-12-03 15:23:01 -08:00
git_remote_helpers remote-helpers: build in platform independent directory 2010-09-27 10:42:50 -07:00
git-gui Merge git://repo.or.cz/git-gui 2010-09-15 12:34:48 -07:00
gitk-git
gitweb gitweb: Don't die_error in git_tag after already printing headers 2010-08-31 09:52:48 -07:00
perl perl/Makefile: Unset INSTALL_BASE when making perl.mak 2010-08-12 21:55:17 -07:00
ppc
t Merge branch 'cb/maint-orphan-merge-noclobber' into maint 2010-12-02 11:27:13 -08:00
templates
vcs-svn vcs-svn: Fix some printf format compiler warnings 2010-09-12 10:24:55 -07:00
xdiff Merge branch 'cb/diff-fname-optim' into maint 2010-11-24 12:46:26 -08:00
.gitattributes
.gitignore Merge branch 'ab/test-2' 2010-09-04 08:15:36 -07:00
.mailmap
abspath.c
aclocal.m4 Some platforms lack socklen_t type 2010-05-31 17:36:27 -07:00
advice.c
advice.h
alias.c split_cmdline: Allow caller to access error string 2010-08-11 09:36:23 -07:00
alloc.c
archive-tar.c
archive-zip.c
archive.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
archive.h
attr.c Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
attr.h enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
base85.c Standardize do { ... } while (0) style 2010-08-12 15:44:51 -07:00
bisect.c bisect: use find_commit_subject() instead of custom code 2010-07-23 16:12:47 -07:00
bisect.h
blob.c
blob.h
branch.c builtin/checkout: handle -B from detached HEAD correctly 2010-08-09 12:57:17 -07:00
branch.h
builtin.h Merge branch 'ks/no-textconv-symlink' into maint 2010-12-02 11:26:24 -08:00
bundle.c bundle: detect if bundle file cannot be created 2010-08-27 16:46:26 -07:00
bundle.h
cache-tree.c cache_tree_free: Fix small memory leak 2010-09-06 17:32:28 -07:00
cache-tree.h
cache.h Documentation: No argument of ALLOC_GROW should have side-effects 2010-10-08 13:17:10 -07:00
check_bindir
check-builtins.sh
check-racy.c
color.c
color.h
combine-diff.c Merge branch 'rs/diff-no-minimal' into maint 2010-06-21 05:38:50 -07:00
command-list.txt
commit.c Merge branch 'cc/find-commit-subject' 2010-08-18 12:46:55 -07:00
commit.h Merge branch 'cc/find-commit-subject' 2010-08-18 12:46:55 -07:00
config.c Merge branch 'kf/askpass-config' 2010-09-08 09:17:01 -07:00
config.mak.in Merge branch 'ab/compat-regex' 2010-09-03 09:43:45 -07:00
configure.ac Merge branch 'ab/compat-regex' 2010-09-03 09:43:45 -07:00
connect.c Make sure that git_getpass() never returns NULL 2010-09-30 12:22:02 -07:00
convert.c Don't expand CRLFs when normalizing text during merge 2010-07-02 15:45:18 -07:00
copy.c
COPYING
csum-file.c
csum-file.h
ctype.c enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
daemon.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
date.c Export parse_date_basic() to convert a date string to timestamp 2010-07-15 15:35:12 -07:00
decorate.c
decorate.h
delta.h
diff-delta.c fix >4GiB source delta assertion failure 2010-08-21 23:53:26 -07:00
diff-lib.c Submodules: Add the new "ignore" config option for diff and status 2010-08-09 09:01:52 -07:00
diff-no-index.c string_list: Add STRING_LIST_INIT macro and make use of it. 2010-07-05 11:47:57 -07:00
diff.c Merge branch 'cb/diff-fname-optim' into maint 2010-11-24 12:46:26 -08:00
diff.h Merge branch 'mm/shortopt-detached' 2010-08-21 23:28:31 -07:00
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c diffcore-pickaxe.c: remove unnecessary curly braces 2010-10-05 08:41:58 -07:00
diffcore-rename.c
diffcore.h diff --follow: do call diffcore_std() as necessary 2010-08-13 12:17:45 -07:00
dir.c dir.c: fix EXC_FLAG_MUSTBEDIR match in sparse checkout 2010-11-08 11:39:23 -08:00
dir.h git add: Add the "--ignore-missing" option for the dry run 2010-07-12 15:13:54 -07:00
editor.c
entry.c
environment.c setup: make sure git dir path is in a permanent buffer 2010-10-03 16:50:54 -07:00
exec_cmd.c Merge branch 'cw/maint-exec-defpath' into maint 2010-06-16 16:33:47 -07:00
exec_cmd.h
fast-import.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
fetch-pack.h
fixup-builtins
fsck.c fsck: fix bogus commit header check 2010-05-28 15:08:27 -07:00
fsck.h
generate-cmdlist.sh
git-add--interactive.perl add-interactive: Clarify “remaining hunks in the file” 2010-06-13 10:05:02 -07:00
git-am.sh Merge branch 'sn/doc-opt-notation' into maint 2010-10-21 16:26:42 -07:00
git-archimport.perl
git-bisect.sh
git-compat-util.h do not depend on signed integer overflow 2010-10-06 11:10:07 -07:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
git-difftool--helper.sh
git-difftool.perl
git-filter-branch.sh filter-branch: retire --remap-to-ancestor 2010-08-27 16:47:01 -07:00
git-instaweb.sh instaweb: add access+error logging for WEBrick 2010-08-05 08:51:26 +00:00
git-lost-found.sh
git-merge-octopus.sh
git-merge-one-file.sh build: propagate $DIFF to scripts 2010-06-05 09:36:13 -07:00
git-merge-resolve.sh
git-mergetool--lib.sh mergetool: Remove explicit references to /dev/tty 2010-08-20 14:09:04 -07:00
git-mergetool.sh Merge branch 'cb/maint-mergetool-no-tty' 2010-09-03 09:43:44 -07:00
git-parse-remote.sh
git-pull.sh Merge branch 'en/rebase-against-rebase-fix' into maint 2010-09-01 13:43:55 -07:00
git-quiltimport.sh
git-rebase--interactive.sh git-rebase--interactive.sh: replace cut with ${v%% *} 2010-09-17 14:58:08 -07:00
git-rebase.sh rebase -X: do not clobber strategy 2010-11-10 09:38:36 -08:00
git-relink.perl Use parentheses and `...' where appropriate 2010-10-08 12:31:07 -07:00
git-remote-testgit.py Remove python 2.5'isms 2010-06-13 20:02:50 -07:00
git-repack.sh Merge branch 'tr/maint-git-repack-tmpfile' into maint 2010-11-24 12:47:10 -08:00
git-request-pull.sh git-request-pull.sh: remove -e switch to shell interpreter which breaks ksh 2010-06-02 09:28:12 -07:00
git-send-email.perl Merge branch 'tr/send-email-refuse-sending-unedited-cover-letter' into maint 2010-11-24 12:44:12 -08:00
git-sh-setup.sh get_author_ident_from_commit(): remove useless quoting 2010-09-27 10:49:49 -07:00
git-stash.sh shell portability: no "export VAR=VAL" 2010-10-13 11:36:36 -07:00
git-submodule.sh submodule sync: Update "submodule.<name>.url" for empty directories 2010-10-13 18:31:45 -07:00
git-svn.perl git-svn: fix processing of decorated commit hashes 2010-09-24 16:24:20 +00:00
GIT-VERSION-GEN Prepare for 1.7.3.3 2010-12-02 14:31:17 -08:00
git-web--browse.sh Add a google-chrome option for web--browse 2010-07-25 23:14:18 -07:00
git.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
git.spec.in git.spec.in: Add gitweb subpackage 2010-06-30 15:49:18 -07:00
graph.c Merge branch 'maint' 2010-08-22 20:18:37 -07:00
graph.h Enable custom schemes for column colors in the graph API 2010-07-13 16:33:02 -07:00
grep.c grep: support NUL chars in search strings for -F 2010-05-24 11:22:07 -07:00
grep.h Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
hash.c
hash.h
help.c
help.h builtin.h: Move two functions definitions to help.h. 2010-09-01 08:00:51 -07:00
hex.c
http-backend.c Merge branch 'jp/string-list-api-cleanup' 2010-06-30 11:55:38 -07:00
http-fetch.c
http-push.c enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
http-walker.c Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
http.c Allow HTTP user agent string to be modified. 2010-08-11 14:07:31 -07:00
http.h Standardize do { ... } while (0) style 2010-08-12 15:44:51 -07:00
ident.c
imap-send.c imap-send: Fix sprintf usage 2010-08-09 11:35:46 -07:00
INSTALL INSTALL: configure /etc/xml/catalog to build docs on Cygwin 2010-07-25 23:14:18 -07:00
levenshtein.c
levenshtein.h
list-objects.c
list-objects.h
ll-merge.c ll-merge: let caller decide whether to renormalize 2010-08-06 09:20:01 -07:00
ll-merge.h ll-merge: let caller decide whether to renormalize 2010-08-06 09:20:01 -07:00
lockfile.c
log-tree.c Allow customizable commit decorations colors 2010-06-24 12:57:34 -07:00
log-tree.h Allow customizable commit decorations colors 2010-06-24 12:57:34 -07:00
mailmap.c mailmap: fix use of freed memory 2010-10-13 19:11:26 -07:00
mailmap.h
Makefile Merge branch 'ab/makefile-track-cc' into maint 2010-11-24 12:44:35 -08:00
match-trees.c
merge-file.c Merge branch 'rs/diff-no-minimal' into maint 2010-06-21 05:38:50 -07:00
merge-recursive.c Merge branch 'ks/recursive-rename-add-identical' 2010-09-15 12:39:12 -07:00
merge-recursive.h Merge branch 'dg/local-mod-error-messages' 2010-09-03 22:23:49 -07:00
name-hash.c
notes-cache.c
notes-cache.h
notes.c notes: Don't create (empty) commit when removing non-existing notes 2010-08-31 11:07:34 -07:00
notes.h notes: Don't create (empty) commit when removing non-existing notes 2010-08-31 11:07:34 -07:00
object.c Merge branch 'maint' 2010-09-06 00:12:04 -07:00
object.h object.h: Add OBJECT_ARRAY_INIT macro and make use of it. 2010-08-29 22:42:49 -07:00
pack-check.c Typos in code comments, an error message, documentation 2010-08-22 13:25:08 -07:00
pack-refs.c pack-refs: remove newly empty directories 2010-07-07 09:11:37 -07:00
pack-refs.h
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h Merge branch 'sp/maint-dumb-http-pack-reidx' into maint 2010-06-16 16:21:30 -07:00
pager.c
parse-options.c parseopt: wrap rev-parse --parseopt usage for eval consumption 2010-06-13 09:38:14 -07:00
parse-options.h parse-options: clarify PARSE_OPT_NOARG description 2010-08-24 10:37:39 -07:00
patch-delta.c
patch-ids.c
patch-ids.h
path.c Merge branch 'hv/submodule-find-ff-merge' 2010-08-21 23:27:59 -07:00
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'mg/pretty-magic-space' 2010-06-22 09:45:22 -07:00
progress.c
progress.h
quote.c quote.c: separate quoting and relative path generation 2010-06-05 09:14:13 -07:00
quote.h quote.c: separate quoting and relative path generation 2010-06-05 09:14:13 -07:00
reachable.c object.h: Add OBJECT_ARRAY_INIT macro and make use of it. 2010-08-29 22:42:49 -07:00
reachable.h
read-cache.c core: Stop leaking ondisk_cache_entrys 2010-08-11 09:57:43 -07:00
README
reflog-walk.c string_list: Fix argument order for string_list_lookup 2010-06-27 10:06:51 -07:00
reflog-walk.h
refs.c Merge branch 'hv/submodule-find-ff-merge' 2010-08-21 23:27:59 -07:00
refs.h setup_revisions(): Allow walking history in a submodule 2010-07-07 09:48:33 -07:00
RelNotes Git 1.7.3.3 2010-12-03 15:23:01 -08:00
remote-curl.c Merge branch 'sp/fix-smart-http-deadlock-on-error' into maint 2010-08-18 16:30:11 -07:00
remote.c string_list: Add STRING_LIST_INIT macro and make use of it. 2010-07-05 11:47:57 -07:00
remote.h enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
replace_object.c
rerere.c Merge branch 'jn/merge-renormalize' 2010-09-03 09:43:41 -07:00
rerere.h
resolve-undo.c Convert the users of for_each_string_list to for_each_string_list_item macro 2010-07-05 11:44:35 -07:00
resolve-undo.h
revision.c Merge branch 'mm/shortopt-detached' 2010-08-21 23:28:31 -07:00
revision.h setup_revisions(): Allow walking history in a submodule 2010-07-07 09:48:33 -07:00
run-command.c Merge branch 'js/async-thread' 2010-06-21 06:02:45 -07:00
run-command.h
send-pack.h
server-info.c update-server-info: Shorten read_pack_info_file() 2010-07-19 11:13:52 -07:00
setup.c prefix_filename(): safely handle the case where pfx_len=0 2010-10-18 16:10:55 -07:00
sha1_file.c sha1_file: Show the the type and path to corrupt objects 2010-07-14 15:35:12 -07:00
sha1_name.c Merge branch 'ks/no-textconv-symlink' into maint 2010-12-02 11:26:24 -08:00
sha1-lookup.c
sha1-lookup.h
shallow.c object.h: Add OBJECT_ARRAY_INIT macro and make use of it. 2010-08-29 22:42:49 -07:00
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c
strbuf.h strbuf.h: fix comment typo 2010-09-27 10:42:11 -07:00
string-list.c string_list: Fix argument order for string_list_append 2010-06-27 10:06:52 -07:00
string-list.h string_list: Add STRING_LIST_INIT macro and make use of it. 2010-07-05 11:47:57 -07:00
submodule.c Merge branch 'hv/submodule-find-ff-merge' 2010-08-21 23:27:59 -07:00
submodule.h Merge branch 'hv/submodule-find-ff-merge' 2010-08-21 23:27:59 -07:00
symlinks.c
tag.c Merge branch 'xx/trivial' into maint 2010-09-06 00:11:59 -07:00
tag.h
tar.h
test-chmtime.c
test-ctype.c
test-date.c test-date: fix sscanf type conversion 2010-07-06 08:42:15 -07:00
test-delta.c
test-dump-cache-tree.c
test-genrandom.c
test-index-version.c
test-line-buffer.c Add stream helper library 2010-08-14 19:35:37 -07:00
test-match-trees.c
test-obj-pool.c Add memory pool library 2010-08-14 19:35:37 -07:00
test-parse-options.c
test-path-utils.c
test-run-command.c
test-sha1.c
test-sha1.sh
test-sigchain.c
test-string-pool.c Add string-specific memory pool 2010-08-14 19:35:37 -07:00
test-svn-fe.c SVN dump parser 2010-08-14 19:35:38 -07:00
test-treap.c Add treap implementation 2010-08-14 19:35:37 -07:00
thread-utils.c
thread-utils.h
trace.c
transport-helper.c string_list: Add STRING_LIST_INIT macro and make use of it. 2010-07-05 11:47:57 -07:00
transport.c make url-related functions reusable 2010-05-24 16:48:32 -07:00
transport.h
tree-diff.c diff --follow: do call diffcore_std() as necessary 2010-08-13 12:17:45 -07:00
tree-walk.c unpack_trees: group error messages by type 2010-08-11 10:36:06 -07:00
tree-walk.h Merge branch 'maint' 2010-08-26 16:42:59 -07:00
tree.c
tree.h
unimplemented.sh
unpack-trees.c Merge branch 'dg/local-mod-error-messages' 2010-09-03 22:23:49 -07:00
unpack-trees.h Move "show_all_errors = 1" to setup_unpack_trees_porcelain() 2010-09-03 09:31:51 -07:00
upload-pack.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
url.c Do not unquote + into ' ' in URLs 2010-07-25 21:57:23 -07:00
url.h make url-related functions reusable 2010-05-24 16:48:32 -07:00
usage.c
userdiff.c userdiff.c: add builtin fortran regex patterns 2010-09-10 09:38:29 -07:00
userdiff.h
utf8.c
utf8.h
walker.c
walker.h
wrap-for-bin.sh
wrapper.c xmalloc: include size in the failure message 2010-08-20 09:27:38 -07:00
write_or_die.c
ws.c diff: handle lines containing only whitespace and tabs better 2010-10-20 16:10:15 -07:00
wt-status.c wt-status.c: don't leak directory entries when processing untracked,ignored 2010-09-27 11:41:25 -07:00
wt-status.h Merge branch 'jl/status-ignore-submodules' 2010-06-30 11:55:39 -07:00
xdiff-interface.c xdiff-interface.c: always trim trailing space from xfuncname matches 2010-09-09 17:18:29 -07:00
xdiff-interface.h

README 

////////////////////////////////////////////////////////////////

	GIT - the stupid content tracker

////////////////////////////////////////////////////////////////

"git" can mean anything, 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

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.
It was originally written by Linus Torvalds with help of a group of
hackers around the net. It is currently maintained by Junio C Hamano.

Please read the file INSTALL for installation instructions.

See Documentation/gittutorial.txt to get started, then see
Documentation/everyday.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).

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

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. 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://marc.theaimsgroup.com/?l=git and other archival sites.

The messages titled "A note from the maintainer", "What's in
git.git (stable)" and "What's cooking in git.git (topics)" and
the discussion following them on the mailing list give a good
reference for project status, development direction and
remaining tasks.