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Linus Torvalds fb7d3f32b2 Remove diff machinery dependency from read-cache
Exal Sibeaz pointed out that some git files are way too big, and that
add_files_to_cache() brings in all the diff machinery to any git binary
that needs the basic git SHA1 object operations from read-cache.c. Which
is pretty much all of them.

It's doubly silly, since add_files_to_cache() is only used by builtin
programs (add, checkout and commit), so it's fairly easily fixed by just
moving the thing to builtin-add.c, and avoiding the dependency entirely.

I initially argued to Exal that it would probably be best to try to depend
on smart compilers and linkers, but after spending some time trying to
make -ffunction-sections work and giving up, I think Exal was right, and
the fix is to just do some trivial cleanups like this.

This trivial cleanup results in pretty stunning file size differences.
The diff machinery really is mostly used by just the builtin programs, and
you have things like these trivial before-and-after numbers:

  -rwxr-xr-x 1 torvalds torvalds 1727420 2010-01-21 10:53 git-hash-object
  -rwxrwxr-x 1 torvalds torvalds  940265 2010-01-21 11:16 git-hash-object

Now, I'm not saying that 940kB is good either, but that's mostly all the
debug information - you can see the real code with 'size':

   text	   data	    bss	    dec	    hex	filename
 418675	   3920	 127408	 550003	  86473	git-hash-object (before)
 230650	   2288	 111728	 344666	  5425a	git-hash-object (after)

ie we have a nice 24% size reduction from this trivial cleanup.

It's not just that one file either. I get:

	[torvalds@nehalem git]$ du -s /home/torvalds/libexec/git-core
	45640	/home/torvalds/libexec/git-core (before)
	33508	/home/torvalds/libexec/git-core (after)

so we're talking 12MB of diskspace here.

(Of course, stripping all the binaries brings the 33MB down to 9MB, so the
whole debug information thing is still the bulk of it all, but that's a
separate issue entirely)

Now, I'm sure there are other things we should do, and changing our
compiler flags from -O2 to -Os would bring the text size down by an
additional almost 20%, but this thing Exal pointed out seems to be some
good low-hanging fruit.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-21 17:05:13 -08:00
Documentation git-rebase.txt: Fix spelling 2010-01-21 15:02:45 -08:00
block-sha1 remove ARM and Mozilla SHA1 implementations 2009-08-18 14:19:40 -07:00
compat Do not use date.c:tm_to_time_t() from compat/mingw.c 2010-01-16 18:16:13 -08:00
contrib Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
git-gui Merge git://repo.or.cz/git-gui 2009-12-09 15:38:51 -08:00
git_remote_helpers Add Python support library for remote helpers 2009-11-24 15:50:20 -08:00
gitk-git Merge git://git.kernel.org/pub/scm/gitk/gitk 2009-12-09 15:38:42 -08:00
gitweb gitweb: Describe (possible) gitweb.js minification in gitweb/README 2009-12-03 12:38:45 -08:00
perl perl/Makefile.PL: detect MakeMaker versions incompatible with DESTDIR 2009-09-25 14:00:04 -07:00
ppc fix openssl headers conflicting with custom SHA1 implementations 2008-10-02 18:06:56 -07:00
t Make 'rerere forget' work from a subdirectory. 2010-01-21 00:42:20 -08:00
templates Merge branch 'bs/maint-pre-commit-hook-sample' into maint 2009-11-16 00:03:15 -08:00
xdiff Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
.gitattributes .gitattributes: detect 8-space indent in shell scripts 2010-01-06 12:22:25 -08:00
.gitignore Merge branch 'il/vcs-helper' 2010-01-13 12:30:39 -08:00
.mailmap Nicolas Pitre has a new email address 2009-09-14 02:23:36 -07:00
COPYING Update COPYING with GPLv2 with new FSF address 2010-01-17 14:29:37 -08:00
GIT-VERSION-GEN Git 1.6.6.1 2010-01-20 13:29:21 -08:00
INSTALL INSTALL: document a simpler way to run uninstalled builds 2009-12-03 11:38:21 -08:00
Makefile Merge branch 'jc/cache-unmerge' 2010-01-20 14:46:35 -08:00
README README: git lives at http://git-scm.com these days 2009-10-07 12:47:24 -07:00
RelNotes Git 1.6.5.8 2010-01-20 12:44:59 -08:00
abspath.c abspath.c: move declaration of 'len' into inner block and use appropriate type 2009-08-27 16:20:53 -07:00
advice.c Merge branch 'mm/conflict-advice' 2010-01-20 14:42:59 -08:00
advice.h Merge branch 'mm/conflict-advice' 2010-01-20 14:42:59 -08:00
alias.c Merge branch 'jk/maint-1.6.0-trace-argv' into maint 2009-05-25 19:03:20 -07:00
alloc.c Fix a bunch of pointer declarations (codestyle) 2009-05-01 15:17:31 -07:00
archive-tar.c archive-tar.c: squelch a type mismatch warning 2009-05-08 23:57:29 -07:00
archive-zip.c archive: remove unused headers 2008-07-19 11:17:43 -07:00
archive.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
archive.h archive: do not read .gitattributes in working directory 2009-04-17 21:05:49 -07:00
attr.c git_attr(): fix function signature 2010-01-16 20:39:59 -08:00
attr.h git_attr(): fix function signature 2010-01-16 20:39:59 -08:00
base85.c Merge branch 'maint-1.6.2' into maint-1.6.3 2010-01-18 21:29:47 -08:00
bisect.c Merge branch 'jc/symbol-static' 2010-01-20 14:37:25 -08:00
bisect.h builtin-rev-list.c: mark file-local function static 2010-01-11 23:16:16 -08:00
blob.c Replace parse_blob() with an explanatory comment 2010-01-18 17:04:02 -08:00
blob.h Replace parse_blob() with an explanatory comment 2010-01-18 17:04:02 -08:00
branch.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
branch.h Make git-clone respect branch.autosetuprebase 2009-03-03 22:58:52 -08:00
builtin-add.c Remove diff machinery dependency from read-cache 2010-01-21 17:05:13 -08:00
builtin-annotate.c War on whitespace 2007-06-07 00:04:01 -07:00
builtin-apply.c Merge branch 'ag/patch-header-verify' 2010-01-20 20:28:51 -08:00
builtin-archive.c Merge branch 'il/vcs-helper' 2010-01-13 12:30:39 -08:00
builtin-bisect--helper.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-blame.c Merge branch 'maint' 2009-12-22 12:32:39 -08:00
builtin-branch.c Merge branch 'maint-1.6.4' into maint-1.6.5 2010-01-18 21:37:12 -08:00
builtin-bundle.c Update the usage bundle string. 2009-09-18 19:47:15 -07:00
builtin-cat-file.c Merge branch 'sb/opt-filename' 2009-05-31 16:57:42 -07:00
builtin-check-attr.c git_attr(): fix function signature 2010-01-16 20:39:59 -08:00
builtin-check-ref-format.c check-ref-format -h: it does not know the --print option yet 2009-11-10 20:45:23 -08:00
builtin-checkout-index.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-checkout.c Merge branch 'jc/checkout-merge-base' 2010-01-20 20:28:51 -08:00
builtin-clean.c Merge branch 'nd/sparse' 2010-01-13 11:58:34 -08:00
builtin-clone.c Merge branch 'tc/clone-v-progress' 2010-01-17 15:58:58 -08:00
builtin-commit-tree.c Show usage string for 'git commit-tree -h' 2009-11-09 17:08:44 -08:00
builtin-commit.c Merge branch 'nd/status-partial-refresh' 2010-01-20 20:28:50 -08:00
builtin-config.c builtin-config: add --path option doing ~ and ~user expansion. 2009-12-31 12:19:38 -08:00
builtin-count-objects.c Merge branch 'maint-1.6.3' into maint-1.6.4 2010-01-18 21:37:06 -08:00
builtin-describe.c describe: do not use unannotated tag even if exact match 2009-11-20 21:58:11 -08:00
builtin-diff-files.c Add cache preload facility 2008-11-14 19:11:49 -08:00
builtin-diff-index.c diff*: fix worktree setup 2008-08-28 20:50:10 -07:00
builtin-diff-tree.c Teach --stdin option to "log" family 2009-11-20 15:10:29 -08:00
builtin-diff.c Show usage string for 'git log -h', 'git show -h' and 'git diff -h' 2009-08-07 14:40:29 -07:00
builtin-fast-export.c git fast-export: add --no-data option 2009-07-31 07:48:09 -07:00
builtin-fetch-pack.c Smart fetch over HTTP: client side 2009-11-04 17:58:15 -08:00
builtin-fetch.c Merge branch 'sr/vcs-helper' 2009-12-26 14:03:16 -08:00
builtin-fmt-merge-msg.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-for-each-ref.c Style fixes, add a space after if/for/while. 2009-08-31 23:26:28 -07:00
builtin-fsck.c Check the format of more printf-type functions 2009-11-15 18:24:58 -08:00
builtin-gc.c General --quiet improvements 2009-12-03 10:08:54 -08:00
builtin-grep.c Merge branch 'jc/grep-lookahead' 2010-01-20 14:43:41 -08:00
builtin-help.c help: fix configured help format taking over command line one 2010-01-09 23:42:48 -08:00
builtin-init-db.c Merge branch 'ns/init-mkdir' 2009-08-05 12:39:33 -07:00
builtin-log.c Merge branch 'jc/1.7.0-diff-whitespace-only-status' 2009-12-26 14:03:18 -08:00
builtin-ls-files.c Merge branch 'jc/cache-unmerge' 2010-01-20 14:46:35 -08:00
builtin-ls-remote.c Merge branch 'sr/vcs-helper' 2009-12-26 14:03:16 -08:00
builtin-ls-tree.c ls-tree: migrate to parse-options 2009-11-17 21:58:12 -08:00
builtin-mailinfo.c Merge branch 'jc/mailinfo-remove-brackets' 2009-11-30 14:43:24 -08:00
builtin-mailsplit.c Show usage string for 'git mailsplit -h' 2009-11-10 11:06:57 -08:00
builtin-merge-base.c git-merge-base/git-show-branch: Cleanup documentation and usage 2009-08-05 10:28:05 -07:00
builtin-merge-file.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
builtin-merge-ours.c Show usage string for 'git merge-ours -h' 2009-11-09 17:08:45 -08:00
builtin-merge-recursive.c Make "subtree" part more orthogonal to the rest of merge-recursive. 2010-01-17 22:46:28 -08:00
builtin-merge.c Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
builtin-mktree.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-mv.c Use warning function instead of fprintf(stderr, "Warning: ..."). 2010-01-03 16:17:03 -08:00
builtin-name-rev.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-pack-objects.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
builtin-pack-refs.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-prune-packed.c prune-packed: only show progress when stderr is a tty 2009-11-23 21:29:45 -08:00
builtin-prune.c environment: add global variable to disable replacement 2009-05-31 17:02:59 -07:00
builtin-push.c Add push --set-upstream 2010-01-16 16:39:58 -08:00
builtin-read-tree.c Merge branch 'jc/cache-unmerge' 2010-01-20 14:46:35 -08:00
builtin-receive-pack.c Merge branch 'jc/1.7.0-push-safety' 2009-12-26 14:03:17 -08:00
builtin-reflog.c Let 'git <command> -h' show usage without a git dir 2009-11-10 12:00:21 -08:00
builtin-remote.c Merge branch 'bg/maint-remote-update-default' into maint 2010-01-20 13:23:59 -08:00
builtin-replace.c builtin-replace: use "usage_msg_opt" to give better error messages 2009-05-31 17:03:40 -07:00
builtin-rerere.c Make 'rerere forget' work from a subdirectory. 2010-01-21 00:42:20 -08:00
builtin-reset.c Merge branch 'cc/reset-more' 2010-01-13 11:58:56 -08:00
builtin-rev-list.c builtin-rev-list.c: mark file-local function static 2010-01-11 23:16:16 -08:00
builtin-rev-parse.c Add 'git rev-parse --show-toplevel' option. 2010-01-11 19:47:35 -08:00
builtin-revert.c Merge branch 'mm/conflict-advice' 2010-01-20 14:42:59 -08:00
builtin-rm.c rm: only refresh entries that we may touch 2010-01-19 15:04:23 -08:00
builtin-send-pack.c refactor ref status logic for pushing 2010-01-09 23:34:10 -08:00
builtin-shortlog.c Merge branch 'uk/maint-shortlog-encoding' 2009-11-30 14:42:28 -08:00
builtin-show-branch.c Refactor pretty_print_commit arguments into a struct 2009-10-19 22:28:20 -07:00
builtin-show-ref.c Show usage string for 'git show-ref -h' 2009-11-09 17:08:53 -08:00
builtin-stripspace.c Show usage string for 'git stripspace -h' 2009-11-10 11:06:57 -08:00
builtin-symbolic-ref.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-tag.c tag -d: print sha1 of deleted tag 2009-12-10 18:45:34 -08:00
builtin-tar-tree.c Show usage string for 'git get-tar-commit-id -h' 2009-11-10 11:06:57 -08:00
builtin-unpack-objects.c Merge branch 'jc/maint-unpack-objects-strict' into maint 2009-09-16 14:45:18 -07:00
builtin-update-index.c Merge branch 'jc/cache-unmerge' 2010-01-20 14:46:35 -08:00
builtin-update-ref.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-update-server-info.c update-server-info: make builtin, use parseopt 2009-08-29 14:07:25 -07:00
builtin-upload-archive.c Merge branch 'np/maint-sideband-favor-status' into maint 2009-12-03 13:50:24 -08:00
builtin-verify-pack.c Merge branch 'maint' 2009-08-07 22:35:17 -07:00
builtin-verify-tag.c verify-tag: migrate to parse-options 2009-07-10 23:57:15 -07:00
builtin-write-tree.c write-tree: migrate to parse-options 2009-07-10 23:56:40 -07:00
builtin.h Retire fetch--tool helper to contrib/examples 2009-11-09 17:08:44 -08:00
bundle.c Merge branch 'jc/log-stdin' 2009-11-23 22:30:08 -08:00
bundle.h Move bundle specific stuff into bundle.[ch] 2007-09-19 03:22:30 -07:00
cache-tree.c Improve on the 'invalid object' error message at commit time 2009-07-14 13:50:33 -07:00
cache-tree.h Optimize "diff-index --cached" using cache-tree 2009-05-25 11:35:29 -07:00
cache.h Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
check-builtins.sh cherry is built-in, do not ship git-cherry.sh 2006-11-05 11:26:21 -08:00
check-racy.c ce_match_stat, run_diff_files: use symbolic constants for readability 2007-11-10 00:24:51 -08:00
check_bindir Move all dashed-form commands to libexecdir 2008-06-19 16:00:38 -07:00
color.c Clean up use of ANSI color sequences 2009-02-13 17:27:58 -08:00
color.h Add a notice that only certain functions can print color escape codes 2009-11-27 00:28:40 -08:00
combine-diff.c Give the hunk comment its own color 2009-11-28 10:05:44 -08:00
command-list.txt Add git-http-backend to command-list. 2009-12-26 14:12:34 -08:00
commit.c Merge branch 'jh/notes' (early part) 2009-11-20 23:53:55 -08:00
commit.h pretty.c: mark file-local function static 2010-01-11 23:16:16 -08:00
config.c Merge branch 'jc/ident' 2010-01-20 14:39:52 -08:00
config.mak.in configure.ac: rework/fix the NEEDS_RESOLV and NEEDS_LIBGEN tests 2009-07-22 21:56:51 -07:00
configure.ac Merge branch 'sr/vcs-helper' 2009-12-26 14:03:16 -08:00
connect.c Merge branch 'cc/replace' 2009-11-23 22:24:01 -08:00
convert.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
copy.c preserve mtime of local clone 2009-09-13 01:32:26 -07:00
csum-file.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
csum-file.h Merge branch 'maint' 2008-10-10 08:39:20 -07:00
ctype.c ctype.c: fix typo in comment 2009-05-01 16:07:29 -07:00
daemon.c Merge branch 'jk/warn-author-committer-after-commit' 2010-01-20 14:40:12 -08:00
date.c date.c: mark file-local function static 2010-01-20 14:37:17 -08:00
decorate.c Unify signedness in hashing calls 2009-05-20 00:02:24 -07:00
decorate.h decorate: allow const objects to be decorated 2008-08-20 13:30:49 -07:00
delta.h Fix big left-shifts of unsigned char 2009-06-18 09:22:46 -07:00
diff-delta.c Nicolas Pitre has a new email address 2009-09-14 02:23:36 -07:00
diff-lib.c Merge branch 'nd/sparse' 2010-01-13 11:58:34 -08:00
diff-no-index.c diff --no-index: make the usage string less scary 2009-11-10 12:00:21 -08:00
diff.c Merge branch 'maint-1.6.4' into maint-1.6.5 2010-01-18 21:37:12 -08:00
diff.h Merge branch 'jc/1.7.0-diff-whitespace-only-status' 2009-12-26 14:03:18 -08:00
diffcore-break.c diffcore-break: save cnt_data for other phases 2009-11-16 13:21:12 -08:00
diffcore-delta.c Fix diff -B/--dirstat miscounting of newly added contents 2009-12-05 10:54:17 -08:00
diffcore-order.c Use xmemdupz() in many places. 2007-09-18 17:42:17 -07:00
diffcore-pickaxe.c pickaxe: count regex matches only once 2009-03-21 23:18:53 -07:00
diffcore-rename.c diffcore-rename: reduce memory footprint by freeing blob data early 2009-11-20 22:13:47 -08:00
diffcore.h Merge branch 'maint' 2008-11-02 16:36:40 -08:00
dir.c Merge branch 'jc/ls-files-ignored-pathspec' 2010-01-20 14:43:54 -08:00
dir.h Merge branch 'nd/sparse' 2010-01-13 11:58:34 -08:00
editor.c editor: use run_command's shell feature 2010-01-05 23:41:51 -08:00
entry.c Merge branch 'jc/symbol-static' 2010-01-20 14:37:25 -08:00
environment.c Merge branch 'nd/sparse' 2010-01-13 11:58:34 -08:00
exec_cmd.c Merge branch 'js/maint-1.6.0-exec-path-env' into maint-1.6.1 2009-04-08 23:01:10 -07:00
exec_cmd.h Refactor git_set_argv0_path() to git_extract_argv0_path() 2009-01-26 00:26:05 -08:00
fast-import.c Merge branch 'jh/notes' (early part) 2010-01-20 20:28:49 -08:00
fetch-pack.h Smart fetch over HTTP: client side 2009-11-04 17:58:15 -08:00
fixup-builtins make remove-dashes: apply to scripts and programs as well, not just to builtins 2008-07-11 21:13:17 -07:00
fsck.c Allow the Unix epoch to be a valid commit date 2009-07-06 09:36:16 -07:00
fsck.h Check the format of more printf-type functions 2009-11-15 18:24:58 -08:00
generate-cmdlist.sh generate-cmdlist.sh: avoid selecting synopsis at wrong place 2008-11-30 18:16:32 -08:00
git-add--interactive.perl Merge branch 'maint' 2009-12-08 22:47:09 -08:00
git-am.sh Teach --[no-]rerere-autoupdate option to merge, revert and friends 2009-12-04 00:20:48 -08:00
git-archimport.perl Make usage strings dash-less 2008-07-13 14:12:48 -07:00
git-bisect.sh Merge branch 'rs/work-around-grep-opt-insanity' 2009-11-25 11:45:07 -08:00
git-compat-util.h Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
git-cvsexportcommit.perl Avoid generating a warning if $fullname{$file} is undefined 2009-07-06 09:36:43 -07:00
git-cvsimport.perl cvsimport: standarize system() calls to external git tools 2010-01-19 12:22:19 -08:00
git-cvsserver.perl Merge branch 'pm/cvs-environ' 2010-01-10 08:52:37 -08:00
git-difftool--helper.sh difftool: Update copyright notices to list each year separately 2010-01-15 21:40:08 -08:00
git-difftool.perl difftool: Add '-x' and as an alias for '--extcmd' 2010-01-15 15:04:31 -08:00
git-filter-branch.sh Merge branch 'js/filter-branch-prime' 2010-01-07 15:40:30 -08:00
git-instaweb.sh Merge branch 'rs/work-around-grep-opt-insanity' into maint 2009-12-03 13:53:58 -08:00
git-lost-found.sh lost-found: use git rev-parse -q 2008-12-03 14:27:17 -08:00
git-merge-octopus.sh octopus: remove dead code 2009-12-13 23:40:24 -08:00
git-merge-one-file.sh Show usage string for 'git merge-one-file -h' 2009-11-10 11:06:57 -08:00
git-merge-resolve.sh Convert to use quiet option when available 2009-04-22 19:05:37 -07:00
git-mergetool--lib.sh Merge branch 'rs/work-around-grep-opt-insanity' 2009-11-25 11:45:07 -08:00
git-mergetool.sh mergetool--lib: simplify API usage by removing more global variables 2009-04-12 15:19:12 -07:00
git-notes.sh Teach "-m <msg>" and "-F <file>" to "git notes edit" 2009-10-19 18:59:43 -07:00
git-parse-remote.sh parse-remote: remove unused functions 2009-06-11 19:50:45 -07:00
git-pull.sh Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
git-quiltimport.sh git-quiltimport: preserve standard input to be able to read user input 2009-02-25 00:49:13 -08:00
git-rebase--interactive.sh Merge branch 'mh/rebase-fixup' 2010-01-20 14:42:07 -08:00
git-rebase.sh Merge branch 'jc/rerere' 2010-01-18 18:13:01 -08:00
git-relink.perl Make usage strings dash-less 2008-07-13 14:12:48 -07:00
git-repack.sh Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
git-request-pull.sh request-pull: optionally show a patch as well 2009-07-29 11:02:49 -07:00
git-send-email.perl Merge branch 'jc/1.7.0-send-email-no-thread-default' 2009-12-26 14:03:17 -08:00
git-sh-setup.sh Use $(git rev-parse --show-toplevel) in cd_to_toplevel(). 2010-01-11 19:47:52 -08:00
git-stash.sh stash: mention --patch in usage string. 2010-01-02 10:40:55 -08:00
git-submodule.sh Merge branch 'rs/work-around-grep-opt-insanity' 2009-11-25 11:45:07 -08:00
git-svn.perl git svn: branch/tag commands detect username in URLs 2009-12-23 11:58:05 -08:00
git-web--browse.sh web--browse: fix Mac OS X GUI detection for 10.6 2009-09-14 02:27:25 -07:00
git.c Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
git.spec.in Nicolas Pitre has a new email address 2009-09-14 02:23:36 -07:00
graph.c Merge branch 'as/maint-graph-interesting-fix' 2009-08-27 16:59:56 -07:00
graph.h Documentation: undocument gc'd function graph_release() 2009-11-19 23:05:17 -08:00
grep.c grep: rip out pessimization to use fixmatch() 2010-01-13 01:05:04 -08:00
grep.h grep: rip out support for external grep 2010-01-13 01:04:54 -08:00
hash-object.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
hash.c Add 'const' where appropriate to index handling functions 2008-03-09 00:43:48 -08:00
hash.h Add 'const' where appropriate to index handling functions 2008-03-09 00:43:48 -08:00
help.c help.autocorrect: do not run a command if the command given is junk 2009-12-15 16:21:51 -08:00
help.h Merge branch 'ar/autospell' 2008-09-07 23:52:16 -07:00
http-backend.c Smart-http: check if repository is OK to export before serving it 2010-01-06 01:16:50 -08:00
http-fetch.c Let 'git http-fetch -h' show usage outside any git repository 2009-11-10 11:11:21 -08:00
http-push.c Disable CURLOPT_NOBODY before enabling CURLOPT_PUT and CURLOPT_POST 2009-11-22 22:56:54 -08:00
http-walker.c Merge branch 'rc/maint-http-local-slot-fix' into maint 2009-06-21 21:15:31 -07:00
http.c http.c: mark file-local functions static 2010-01-12 01:06:08 -08:00
http.h http.c: mark file-local functions static 2010-01-12 01:06:08 -08:00
ident.c ident.c: replace fprintf with fputs to suppress compiler warning 2010-01-19 15:25:38 -08:00
imap-send.c run-command: convert simple callsites to use_shell 2010-01-05 23:41:50 -08:00
index-pack.c Let 'git <command> -h' show usage without a git dir 2009-11-10 12:00:21 -08:00
levenshtein.c Fix typos / spelling in comments 2009-04-22 19:02:12 -07:00
levenshtein.h git wrapper: DWIM mistyped commands 2008-08-31 10:14:58 -07:00
list-objects.c Merge branch 'lt/pack-object-memuse' 2009-04-18 14:46:17 -07:00
list-objects.h Merge branch 'lt/pack-object-memuse' 2009-04-18 14:46:17 -07:00
ll-merge.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
ll-merge.h Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
lockfile.c lockfile: show absolute filename in unable_to_lock_message 2010-01-12 15:48:24 -08:00
log-tree.c Introduce new pretty formats %g[sdD] for reflog information 2009-10-19 22:28:26 -07:00
log-tree.h git-log: allow --decorate[=short|full] 2009-08-26 12:05:58 -07:00
mailmap.c mailmap.c: remove unused function 2010-01-12 01:06:09 -08:00
mailmap.h mailmap.c: remove unused function 2010-01-12 01:06:09 -08:00
match-trees.c Make "subtree" part more orthogonal to the rest of merge-recursive. 2010-01-17 22:46:28 -08:00
merge-file.c merge-tree: use ll_merge() not xdl_merge() 2010-01-16 23:45:33 -08:00
merge-index.c Simplify some instances of run_command() by using run_command_v_opt(). 2009-06-09 00:15:57 -07:00
merge-recursive.c Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
merge-recursive.h Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
merge-tree.c merge-tree: use ll_merge() not xdl_merge() 2010-01-16 23:45:33 -08:00
mktag.c Merge branch 'cc/replace' 2009-08-21 18:47:53 -07:00
name-hash.c Make hash_name_lookup able to do case-independent lookups 2008-04-09 01:22:25 -07:00
notes.c Fix crasher on encountering SHA1-like non-note in notes tree 2009-12-03 10:10:35 -08:00
notes.h Teach notes code to free its internal data structures on request 2009-10-19 19:00:24 -07:00
object.c object.c: remove unused functions 2010-01-17 22:49:36 -08:00
object.h object.c: remove unused functions 2010-01-17 22:49:36 -08:00
pack-check.c Don't expect verify_pack() callers to set pack_size 2009-06-06 10:56:27 -07:00
pack-redundant.c Let 'git <command> -h' show usage without a git dir 2009-11-10 12:00:21 -08:00
pack-refs.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
pack-refs.h Move pack_refs() and friends into libgit 2008-06-19 15:53:13 -07:00
pack-revindex.c janitor: useless checks before free 2009-07-22 21:57:41 -07:00
pack-revindex.h discard revindex data when pack list changes 2008-08-22 22:00:22 -07:00
pack-write.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
pack.h improve reliability of fixup_pack_header_footer() 2008-08-29 21:51:27 -07:00
pager.c run-command: convert simple callsites to use_shell 2010-01-05 23:41:50 -08:00
parse-options.c Merge branch 'jc/symbol-static' 2010-01-20 14:37:25 -08:00
parse-options.h Merge branch 'jc/symbol-static' 2010-01-20 14:37:25 -08:00
patch-delta.c Nicolas Pitre has a new email address 2009-09-14 02:23:36 -07:00
patch-id.c Replace deprecated dashed git commands in usage 2009-02-04 15:08:49 -08:00
patch-ids.c patch-ids: use the new generic "sha1_pos" function to lookup sha1 2009-04-04 22:57:42 -07:00
patch-ids.h Refactor patch-id filtering out of git-cherry and git-format-patch. 2007-04-11 20:02:03 -07:00
path.c Merge branch 'mm/config-pathname-tilde-expand' 2009-11-22 16:28:38 -08:00
pkt-line.c pkt-line: Make packet_read_line easier to debug 2009-10-30 19:20:53 -07:00
pkt-line.h pkt-line: Add strbuf based functions 2009-10-30 19:20:53 -07:00
preload-index.c janitor: add DIV_ROUND_UP and use it. 2009-07-22 21:57:41 -07:00
pretty.c pretty.c: mark file-local function static 2010-01-11 23:16:16 -08:00
progress.c change throughput display units with fast links 2009-10-14 01:19:29 -07:00
progress.h nicer display of thin pack completion 2007-11-08 15:43:41 -08:00
quote.c quote.c: mark file-local function static 2010-01-12 01:06:08 -08:00
quote.h quote.c: mark file-local function static 2010-01-12 01:06:08 -08:00
reachable.c process_{tree,blob}: Remove useless xstrdup calls 2009-04-08 22:58:43 -07:00
reachable.h Move traversal of reachable objects into a separate library. 2007-01-06 22:57:34 -08:00
read-cache.c Remove diff machinery dependency from read-cache 2010-01-21 17:05:13 -08:00
reflog-walk.c Introduce new pretty formats %g[sdD] for reflog information 2009-10-19 22:28:26 -07:00
reflog-walk.h Introduce new pretty formats %g[sdD] for reflog information 2009-10-19 22:28:26 -07:00
refs.c teach warn_dangling_symref to take a FILE argument 2009-11-10 01:01:47 -08:00
refs.h teach warn_dangling_symref to take a FILE argument 2009-11-10 01:01:47 -08:00
remote-curl.c Merge branch 'jc/symbol-static' 2010-01-20 14:37:25 -08:00
remote.c refactor ref status logic for pushing 2010-01-09 23:34:10 -08:00
remote.h refactor ref status logic for pushing 2010-01-09 23:34:10 -08:00
replace_object.c environment: add global variable to disable replacement 2009-05-31 17:02:59 -07:00
rerere.c Merge branch 'jc/conflict-marker-size' 2010-01-20 20:28:51 -08:00
rerere.h Merge branch 'jc/cache-unmerge' 2010-01-20 14:46:35 -08:00
resolve-undo.c resolve-undo: "checkout -m path" uses resolve-undo information 2009-12-25 17:10:10 -08:00
resolve-undo.h resolve-undo: "checkout -m path" uses resolve-undo information 2009-12-25 17:10:10 -08:00
revision.c Merge branch 'jc/1.7.0-diff-whitespace-only-status' 2009-12-26 14:03:18 -08:00
revision.h Merge branch 'jc/log-stdin' 2009-11-23 22:30:08 -08:00
run-command.c Merge branch 'js/exec-error-report' 2010-01-20 14:44:12 -08:00
run-command.h run-command: add "use shell" option 2010-01-01 17:53:46 -08:00
send-pack.h Smart push over HTTP: client side 2009-11-04 17:58:15 -08:00
server-info.c Merge branch 'ar/unlink-err' into maint 2009-05-25 19:01:50 -07:00
setup.c Merge branch 'bk/fix-relative-gitdir-file' 2010-01-20 14:38:34 -08:00
sha1-lookup.c sha1-lookup: fix up the assertion message 2009-04-06 00:56:27 -07:00
sha1-lookup.h sha1-lookup: add new "sha1_pos" function to efficiently lookup sha1 2009-04-04 22:57:39 -07:00
sha1_file.c sha1_file.c: remove unused function 2010-01-12 01:06:09 -08:00
sha1_name.c Merge branch 'jc/checkout-merge-base' 2010-01-13 12:31:13 -08:00
shallow.c Merge branch 'mk/maint-parse-careful' 2008-02-18 20:56:01 -08:00
shell.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
shortlog.h Rename path_list to string_list 2008-07-21 19:11:50 -07:00
show-index.c Show usage string for 'git show-index -h' 2009-11-10 11:06:57 -08:00
sideband.c Smart push over HTTP: client side 2009-11-04 17:58:15 -08:00
sideband.h recv_sideband: Bands #2 and #3 always go to stderr 2009-03-10 23:23:02 -07:00
sigchain.c refactor signal handling for cleanup functions 2009-01-21 22:46:53 -08:00
sigchain.h refactor signal handling for cleanup functions 2009-01-21 22:46:53 -08:00
strbuf.c Merge branch 'ap/merge-backend-opts' 2010-01-20 20:28:50 -08:00
strbuf.h Merge branch 'jc/maint-strbuf-add-fix-doubling' 2010-01-20 14:43:09 -08:00
string-list.c string-list: new for_each_string_list() function 2009-02-27 15:19:08 -08:00
string-list.h string-list: rename the include guard to STRING_LIST_H 2010-01-09 23:39:11 -08:00
submodule.c submodule.c: mark file-local function static 2010-01-12 01:06:08 -08:00
submodule.h Add the --submodule option to the diff option family 2009-10-19 22:31:00 -07:00
symlinks.c symlinks.c: remove unused functions 2010-01-17 22:49:36 -08:00
tag.c Merge branch 'mk/maint-parse-careful' 2008-03-02 15:11:07 -08:00
tag.h
tar.h
test-chmtime.c test-chmtime: work around Windows limitation 2009-06-01 00:10:08 -07:00
test-ctype.c Add is_regex_special() 2009-01-17 18:30:41 -08:00
test-date.c refactor test-date interface 2009-08-30 22:04:46 -07:00
test-delta.c Nicolas Pitre has a new email address 2009-09-14 02:23:36 -07:00
test-dump-cache-tree.c add test-dump-cache-tree in Makefile 2009-02-03 22:11:44 -08:00
test-genrandom.c test-genrandom: ensure stdout is set to _O_BINARY on Windows 2009-09-21 00:36:12 -07:00
test-index-version.c Add test-index-version 2009-08-23 17:11:28 -07:00
test-match-trees.c A new merge stragety 'subtree'. 2007-04-07 02:29:40 -07:00
test-parse-options.c parse-opt: ignore negation of OPT_NONEG for ambiguity checks 2009-09-29 07:28:47 -07:00
test-path-utils.c Introduce the function strip_path_suffix() 2009-02-19 22:45:48 -08:00
test-run-command.c start_command: detect execvp failures early 2010-01-10 10:15:03 -08:00
test-sha1.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
test-sha1.sh more tr portability test script fixes 2008-03-13 00:57:52 -07:00
test-sigchain.c t0005: use SIGTERM for sigchain test 2009-01-30 01:14:26 -08:00
thread-utils.c Make usage of windows.h lean and mean 2009-09-18 20:00:42 -07:00
thread-utils.h pack-objects: Add runtime detection of online CPU's 2008-02-23 12:00:32 -08:00
trace.c trace: Fixed a minor typo in an error message. 2009-02-25 00:49:53 -08:00
transport-helper.c Merge branch 'js/exec-error-report' 2010-01-20 14:44:12 -08:00
transport.c Merge branch 'il/push-set-upstream' 2010-01-20 14:40:48 -08:00
transport.h Merge branch 'il/push-set-upstream' 2010-01-20 14:40:48 -08:00
tree-diff.c diff: Rename QUIET internal option to QUICK 2009-07-29 10:22:39 -07:00
tree-walk.c Fix tree-walking compare_entry() in the presense of --prefix 2008-03-09 00:43:47 -08:00
tree-walk.h Make 'traverse_trees()' traverse conflicting DF entries in parallel 2008-03-09 00:43:47 -08:00
tree.c Fix off-by-one in read_tree_recursive 2009-04-20 13:44:14 -07:00
tree.h add context pointer to read_tree_recursive() 2008-07-15 07:17:59 -07:00
unimplemented.sh Makefile: allow building without perl 2009-04-08 22:14:56 -07:00
unpack-file.c Show usage string for 'git unpack-file -h' 2009-11-10 11:06:57 -08:00
unpack-trees.c Merge branch 'pc/uninteresting-submodule-disappear-upon-switch-branches' 2010-01-18 18:12:57 -08:00
unpack-trees.h unpack_trees(): apply $GIT_DIR/info/sparse-checkout to the final index 2009-08-23 17:14:41 -07:00
upload-pack.c Sync with 1.6.5.6 2009-12-10 16:20:59 -08:00
usage.c Fix truncated usage messages 2009-11-22 16:14:48 -08:00
userdiff.c git_attr(): fix function signature 2010-01-16 20:39:59 -08:00
userdiff.h color-words: make regex configurable via attributes 2009-01-17 10:44:21 -08:00
utf8.c utf8.c: mark file-local function static 2010-01-12 01:06:09 -08:00
utf8.h utf8.c: mark file-local function static 2010-01-12 01:06:09 -08:00
var.c Teach git var about GIT_PAGER 2009-11-13 12:20:47 -08:00
walker.c janitor: useless checks before free 2009-07-22 21:57:41 -07:00
walker.h Make walker.fetch_ref() take a struct ref. 2008-04-26 17:36:17 -07:00
wrap-for-bin.sh build dashless "bin-wrappers" directory similar to installed bindir 2009-12-03 11:37:47 -08:00
wrapper.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
write_or_die.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
ws.c git_attr(): fix function signature 2010-01-16 20:39:59 -08:00
wt-status.c status: only touch path we may need to check 2010-01-15 20:40:25 -08:00
wt-status.h status/commit: do not suggest "reset HEAD <path>" while merging 2009-12-12 01:22:10 -08:00
xdiff-interface.c userdiff: add xdiff_clear_find_func() 2009-07-01 19:16:37 -07:00
xdiff-interface.h userdiff: add xdiff_clear_find_func() 2009-07-01 19:16:37 -07:00

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.