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Ben Peart 99ce720c33 speed up refresh_index() by utilizing preload_index()
Speed up refresh_index() by utilizing preload_index() to do most of the work
spread across multiple threads.  This works because most cache entries will
get marked CE_UPTODATE so that refresh_cache_ent() can bail out early when
called from within refresh_index().

On a Windows repo with ~200K files, this drops refresh times from 6.64
seconds to 2.87 seconds for a savings of 57%.

Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-30 11:28:39 +09:00
.github
block-sha1
builtin Merge branch 'rv/alias-help' 2018-10-26 14:22:13 +09:00
ci
compat Merge branch 'js/mingw-default-ident' 2018-10-26 14:22:15 +09:00
contrib Merge branch 'du/cherry-is-plumbing' 2018-10-26 14:22:14 +09:00
Documentation Sixth batch for 2.20 2018-10-26 14:53:16 +09:00
ewah
git-gui
gitk-git
gitweb
mergetools
negotiator
perl
po
ppc
refs Merge branch 'rj/header-check' 2018-10-16 16:16:00 +09:00
sha1collisiondetection@232357eb2e
sha1dc
t Merge branch 'ld/p4-unshelve' 2018-10-26 14:22:15 +09:00
templates
vcs-svn
xdiff
.clang-format editorconfig: indicate settings should be kept in sync 2018-10-09 18:34:15 +09:00
.editorconfig editorconfig: indicate settings should be kept in sync 2018-10-09 18:34:15 +09:00
.gitattributes
.gitignore fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
.gitmodules
.mailmap Merge branch 'jn/mailmap-update' 2018-10-16 16:16:01 +09:00
.travis.yml
.tsan-suppressions
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alias.h
alloc.c
alloc.h
apply.c
apply.h
archive-tar.c
archive-zip.c
archive.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
archive.h
argv-array.c
argv-array.h
attr.c
attr.h
banned.h
base85.c
bisect.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
bisect.h
blame.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
blame.h
blob.c
blob.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
bundle.h
cache-tree.c Merge branch 'jt/cache-tree-allow-missing-object-in-partial-clone' 2018-10-19 13:34:08 +09:00
cache-tree.h
cache.h speed up refresh_index() by utilizing preload_index() 2018-10-30 11:28:39 +09:00
chdir-notify.c
chdir-notify.h
check_bindir
check-builtins.sh
check-racy.c
checkout.c
checkout.h
color.c
color.h
column.c
column.h
combine-diff.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
command-list.txt Merge branch 'du/cherry-is-plumbing' 2018-10-26 14:22:14 +09:00
commit-graph.c Merge branch 'ds/commit-graph-leakfix' 2018-10-19 13:34:07 +09:00
commit-graph.h Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
commit-reach.c Merge branch 'jk/oideq-hasheq-cleanup' 2018-10-16 16:16:08 +09:00
commit-reach.h
commit-slab-decl.h
commit-slab-impl.h
commit-slab.h
commit.c Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
commit.h Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
common-main.c
config.c Merge branch 'bp/read-cache-parallel' 2018-10-19 13:34:03 +09:00
config.h config: add new index.threads config setting 2018-10-11 15:32:48 +09:00
config.mak.dev
config.mak.in
config.mak.uname mingw: bump the minimum Windows version to Vista 2018-10-04 05:39:56 -07:00
configure.ac
connect.c
connect.h
connected.c
connected.h
convert.c
convert.h
copy.c
COPYING
credential-cache--daemon.c
credential-cache.c
credential-store.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
decorate.c
decorate.h
delta-islands.c
delta-islands.h
delta.h
detect-compiler
diff-delta.c
diff-lib.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diff-no-index.c
diff.c Merge branch 'sb/diff-emit-line-ws-markup-cleanup' 2018-10-26 14:22:13 +09:00
diff.h Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore-break.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore.h
dir-iterator.c
dir-iterator.h
dir.c
dir.h
editor.c
entry.c
environment.c
exec-cmd.c
exec-cmd.h
fast-import.c
fetch-negotiator.c
fetch-negotiator.h
fetch-object.c
fetch-object.h
fetch-pack.c Merge branch 'tb/filter-alternate-refs' 2018-10-19 13:34:08 +09:00
fetch-pack.h fetch-pack: exclude blobs when lazy-fetching trees 2018-10-04 06:03:49 -07:00
fmt-merge-msg.h
fsck.c Merge branch 'ab/fsck-skiplist' 2018-10-10 12:37:16 +09:00
fsck.h
fsmonitor.c
fsmonitor.h
fuzz-pack-headers.c fuzz: add basic fuzz testing target. 2018-10-15 14:28:59 +09:00
fuzz-pack-idx.c fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'js/mingw-default-ident' 2018-10-26 14:22:15 +09:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-filter-branch.sh
git-instaweb.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py git-p4: fully support unshelving changelists 2018-10-16 13:28:49 +09:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh
git-rebase--merge.sh
git-rebase--preserve-merges.sh
git-rebase.sh git-rebase.sh: fix typos in error messages 2018-09-28 14:55:12 -07:00
git-remote-testgit.sh
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh
git-submodule.sh
git-svn.perl
GIT-VERSION-GEN
git-web--browse.sh
git.c Merge branch 'rv/alias-help' 2018-10-26 14:22:13 +09:00
git.rc
gpg-interface.c
gpg-interface.h
graph.c Merge branch 'np/log-graph-octopus-fix' 2018-10-26 14:22:11 +09:00
graph.h
grep.c
grep.h
hash.h
hashmap.c
hashmap.h
help.c help -a: improve and make --verbose default 2018-10-03 21:23:51 -07:00
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
http-walker.c
http.c
http.h
ident.c mingw: use domain information for default email 2018-10-16 12:59:57 +09:00
imap-send.c
INSTALL
interdiff.c
interdiff.h
iterator.h
json-writer.c
json-writer.h
khash.h khash: factor out kh_release_* 2018-10-04 11:12:13 -07:00
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c
line-log.h
line-range.c
line-range.h
linear-assignment.c
linear-assignment.h
list-objects-filter-options.c
list-objects-filter-options.h
list-objects-filter.c
list-objects-filter.h
list-objects.c
list-objects.h
list.h
ll-merge.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
ll-merge.h
lockfile.c
lockfile.h
log-tree.c
log-tree.h
ls-refs.c
ls-refs.h
mailinfo.c
mailinfo.h
mailmap.c
mailmap.h
Makefile Merge branch 'js/fuzzer' 2018-10-26 14:22:14 +09:00
match-trees.c
mem-pool.c
mem-pool.h
merge-blobs.c
merge-blobs.h
merge-recursive.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
merge-recursive.h
merge.c
mergesort.c
mergesort.h
midx.c Merge branch 'jk/oideq-hasheq-cleanup' 2018-10-16 16:16:08 +09:00
midx.h Merge branch 'rj/header-check' 2018-10-16 16:16:00 +09:00
name-hash.c
notes-cache.c
notes-cache.h
notes-merge.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object-store.h
object.c
object.h
oidmap.c
oidmap.h
oidset.c oidset: uninline oidset_init() 2018-10-04 11:12:14 -07:00
oidset.h oidset: uninline oidset_init() 2018-10-04 11:12:14 -07:00
pack-bitmap-write.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
pack-bitmap.c
pack-bitmap.h
pack-check.c
pack-objects.c
pack-objects.h
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
packfile.c fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
packfile.h fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
pager.c
parse-options-cb.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
patch-ids.h
path.c
path.h
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c speed up refresh_index() by utilizing preload_index() 2018-10-30 11:28:39 +09:00
pretty.c
pretty.h
prio-queue.c
prio-queue.h
progress.c
progress.h
prompt.c
prompt.h
protocol.c
protocol.h
quote.c
quote.h
range-diff.c
range-diff.h
reachable.c
reachable.h
read-cache.c speed up refresh_index() by utilizing preload_index() 2018-10-30 11:28:39 +09:00
README.md
ref-filter.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
ref-filter.h
reflog-walk.c
reflog-walk.h
refs.c Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
refs.h Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
refspec.c
refspec.h
RelNotes Declare that the next one will be named 2.20 2018-10-10 09:20:03 +09:00
remote-curl.c
remote-testsvn.c
remote.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
remote.h
replace-object.c Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
replace-object.h
repository.c
repository.h
rerere.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
rerere.h
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
revision.h Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
run-command.c
run-command.h
send-pack.c
send-pack.h
sequencer.c Merge branch 'nd/status-refresh-progress' 2018-10-19 13:34:03 +09:00
sequencer.h
serve.c
serve.h
server-info.c
setup.c
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-file.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
sha1-lookup.c
sha1-lookup.h
sha1-name.c
sha1dc_git.c
sha1dc_git.h
shallow.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
shell.c
shortlog.h
sideband.c
sideband.h
sigchain.c
sigchain.h
split-index.c split-index: BUG() when cache entry refers to non-existing shared entry 2018-10-12 07:23:29 +09:00
split-index.h
strbuf.c
strbuf.h
streaming.c
streaming.h
string-list.c
string-list.h
sub-process.c
sub-process.h
submodule-config.c
submodule-config.h
submodule.c Merge branch 'sm/show-superproject-while-conflicted' 2018-10-19 13:34:04 +09:00
submodule.h
symlinks.c
tag.c
tag.h
tar.h
tempfile.c
tempfile.h
thread-utils.c
thread-utils.h
tmp-objdir.c
tmp-objdir.h
trace.c
trace.h
trailer.c
trailer.h
transport-helper.c transport: list refs before fetch if necessary 2018-10-07 09:53:19 +09:00
transport-internal.h transport: list refs before fetch if necessary 2018-10-07 09:53:19 +09:00
transport.c Merge branch 'tb/filter-alternate-refs' 2018-10-19 13:34:08 +09:00
transport.h transport: drop refnames from for_each_alternate_ref 2018-10-09 14:30:02 +09:00
tree-diff.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
tree-walk.c
tree-walk.h
tree.c
tree.h
unicode-width.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c
unpack-trees.h
upload-pack.c Merge branch 'ds/commit-graph-with-grafts' 2018-10-16 16:15:59 +09:00
upload-pack.h
url.c
url.h
urlmatch.c
urlmatch.h
usage.c
userdiff.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
userdiff.h
utf8.c
utf8.h
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c
walker.h
wildmatch.c
wildmatch.h
worktree.c
worktree.h
wrap-for-bin.sh
wrapper.c
write-or-die.c
ws.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
wt-status.c Merge branch 'ss/wt-status-committable' 2018-10-19 13:34:02 +09:00
wt-status.h roll wt_status_state into wt_status and populate in the collect phase 2018-10-03 23:38:20 -07:00
xdiff-interface.c
xdiff-interface.h
zlib.c

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 https://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 https://public-inbox.org/git/, http://marc.info/?l=git and other archival sites.

Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.

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