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Junio C Hamano 2f88c19700 diff-index: pass pathspec down to unpack-trees machinery 
And finally, pass the pathspec down through unpack_trees() to traverse_trees()
callchain.

Before and after applying this series, looking for changes in the kernel
repository with a fairly narrow pathspec becomes somewhat faster.

  (without patch)
  $ /usr/bin/time git diff --raw v2.6.27 -- net/ipv6 >/dev/null
  0.48user 0.05system 0:00.53elapsed 100%CPU (0avgtext+0avgdata 163296maxresident)k
  0inputs+952outputs (0major+11163minor)pagefaults 0swaps

  (with patch)
  $ /usr/bin/time git diff --raw v2.6.27 -- net/ipv6 >/dev/null
  0.01user 0.00system 0:00.02elapsed 104%CPU (0avgtext+0avgdata 43856maxresident)k
  0inputs+24outputs (0major+3688minor)pagefaults 0swaps

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-29 15:09:17 -07:00
block-sha1
builtin plug a few coverity-spotted leaks 2011-06-20 14:27:36 -07:00
compat
contrib Merge branch 'maint' 2011-06-26 12:09:11 -07:00
Documentation Git 1.7.6 2011-06-26 12:41:16 -07:00
git_remote_helpers
git-gui
gitk-git
gitweb Merge branch 'maint' 2011-06-21 14:56:59 -07:00
perl
po
ppc
t Merge branch 'mk/grep-pcre' 2011-06-20 14:49:44 -07:00
templates
vcs-svn
xdiff
.gitattributes
.gitignore
.mailmap
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c
archive-tar.c
archive-zip.c
archive.c
archive.h
attr.c
attr.h
base85.c
bisect.c
bisect.h
blob.c
blob.h
branch.c
branch.h
builtin.h
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cache.h Merge branch 'jk/maint-config-alias-fix' into maint 2011-06-01 14:05:22 -07:00
check_bindir
check-builtins.sh
check-racy.c
color.c
color.h
combine-diff.c
command-list.txt
commit.c
commit.h Merge branch 'jk/format-patch-am' 2011-05-31 12:19:11 -07:00
config.c Merge branch 'jk/maint-config-alias-fix' into maint 2011-06-01 14:05:22 -07:00
config.mak.in Merge branch 'kk/maint-prefix-in-config-mak' into maint 2011-06-01 14:02:39 -07:00
configure.ac
connect.c
convert.c
copy.c
COPYING
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c diff-index: pass pathspec down to unpack-trees machinery 2011-08-29 15:09:17 -07:00
diff-no-index.c
diff.c Merge branch 'jk/diff-not-so-quick' 2011-06-06 11:40:14 -07:00
diff.h Merge branch 'jk/diff-not-so-quick' 2011-06-06 11:40:14 -07:00
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c diffcore-rename.c: avoid set-but-not-used warning 2011-06-01 13:54:17 -07:00
diffcore.h
dir.c
dir.h
editor.c
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fast-import.c
fetch-pack.h
fixup-builtins
fsck.c Merge branch 'jm/maint-misc-fix' into maint 2011-05-30 00:09:41 -07:00
fsck.h
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-am.sh
git-archimport.perl
git-bisect.sh
git-compat-util.h
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-difftool.perl
git-filter-branch.sh
git-instaweb.sh
git-lost-found.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh rebase: write a reflog entry when finishing 2011-05-27 15:52:03 -07:00
git-rebase--merge.sh
git-rebase.sh rebase: write a reflog entry when finishing 2011-05-27 15:52:03 -07:00
git-relink.perl
git-remote-testgit.py
git-repack.sh
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh
git-submodule.sh Merge branch 'maint' 2011-05-30 00:09:55 -07:00
git-svn.perl
GIT-VERSION-GEN Git 1.7.6 2011-06-26 12:41:16 -07:00
git-web--browse.sh
git.c Merge branch 'jk/maint-config-alias-fix' into maint 2011-06-01 14:05:22 -07:00
git.spec.in
graph.c
graph.h
grep.c
grep.h
hash.c
hash.h
help.c
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c
http-walker.c
http.c
http.h
ident.c
imap-send.c
INSTALL
levenshtein.c
levenshtein.h
LGPL-2.1
list-objects.c
list-objects.h
ll-merge.c
ll-merge.h
lockfile.c
log-tree.c Merge branch 'jk/format-patch-am' 2011-05-31 12:19:11 -07:00
log-tree.h
mailmap.c
mailmap.h
Makefile Merge branch 'mk/grep-pcre' 2011-05-30 00:00:07 -07:00
match-trees.c
merge-file.c
merge-file.h
merge-recursive.c Merge branch 'jc/rename-degrade-cc-to-c' into maint 2011-05-31 12:00:02 -07:00
merge-recursive.h
name-hash.c
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes.c
notes.h
object.c
object.h
pack-check.c
pack-refs.c
pack-refs.h
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
pager.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'jk/format-patch-am' 2011-05-31 12:19:11 -07:00
progress.c
progress.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c
README
reflog-walk.c
reflog-walk.h
refs.c Fix typo: existant->existent 2011-06-16 10:33:50 -07:00
refs.h
RelNotes Start 1.7.5.4 draft release notes 2011-05-31 12:06:40 -07:00
remote-curl.c plug a few coverity-spotted leaks 2011-06-20 14:27:36 -07:00
remote.c
remote.h
replace_object.c
rerere.c Merge branch 'maint' 2011-05-30 00:09:55 -07:00
rerere.h
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'jc/notes-batch-removal' 2011-05-29 23:51:26 -07:00
revision.h Merge branch 'jk/format-patch-am' 2011-05-31 12:19:11 -07:00
run-command.c
run-command.h
send-pack.h
server-info.c
setup.c Merge branch 'maint' 2011-05-30 00:09:55 -07:00
sh-i18n--envsubst.c Merge branch 'ab/i18n-scripts-basic' 2011-06-17 11:40:32 -07:00
sha1_file.c
sha1_name.c
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
shallow.c
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c
strbuf.h
string-list.c
string-list.h
submodule.c
submodule.h
symlinks.c
tag.c
tag.h
tar.h
test-chmtime.c
test-ctype.c
test-date.c
test-delta.c
test-dump-cache-tree.c
test-genrandom.c
test-index-version.c
test-line-buffer.c
test-match-trees.c
test-mktemp.c
test-obj-pool.c
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
test-subprocess.c
test-svn-fe.c
test-treap.c
thread-utils.c
thread-utils.h
trace.c
transport-helper.c
transport.c Merge branch 'maint' 2011-05-30 00:09:55 -07:00
transport.h
tree-diff.c Merge branch 'jk/diff-not-so-quick' 2011-06-06 11:40:14 -07:00
tree-walk.c traverse_trees(): allow pruning with pathspec 2011-08-29 14:32:04 -07:00
tree-walk.h traverse_trees(): allow pruning with pathspec 2011-08-29 14:32:04 -07:00
tree.c
tree.h
unimplemented.sh
unpack-trees.c unpack-trees: allow pruning with pathspec 2011-08-29 15:08:31 -07:00
unpack-trees.h unpack-trees: allow pruning with pathspec 2011-08-29 15:08:31 -07:00
upload-pack.c
url.c
url.h
usage.c
userdiff.c
userdiff.h
utf8.c
utf8.h
walker.c
walker.h
wrap-for-bin.sh
wrapper.c
write_or_die.c
ws.c
wt-status.c
wt-status.h
xdiff-interface.c
xdiff-interface.h
zlib.c

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.