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Ævar Arnfjörð Bjarmason 974c919d36 date API: add and use a date_mode_release()
Fix a memory leak in the parse_date_format() function by providing a
new date_mode_release() companion function.

By using this in "t/helper/test-date.c" we can mark the
"t0006-date.sh" test as passing when git is compiled with
SANITIZE=leak, and whitelist it to run under
"GIT_TEST_PASSING_SANITIZE_LEAK=true" by adding
"TEST_PASSES_SANITIZE_LEAK=true" to the test itself.

The other tests that expose this memory leak (i.e. take the
"mode->type == DATE_STRFTIME" branch in parse_date_format()) are
"t6300-for-each-ref.sh" and "t7004-tag.sh". The former is due to an
easily fixed leak in "ref-filter.c", and brings the failures in
"t6300-for-each-ref.sh" down from 51 to 48.

Fixing the remaining leaks will have to wait until there's a
release_revisions() in "revision.c", as they have to do with leaks via
"struct rev_info".

There is also a leak in "builtin/blame.c" due to its call to
parse_date_format() to parse the "blame.date" configuration. However
as it declares a file-level "static struct date_mode blame_date_mode"
to track the data, LSAN will not report it as a leak. It's possible to
get valgrind(1) to complain about it with e.g.:

    valgrind --leak-check=full --show-leak-kinds=all ./git -P -c blame.date=format:%Y blame README.md

But let's focus on things LSAN complains about, and are thus
observable with "TEST_PASSES_SANITIZE_LEAK=true". We should get to
fixing memory leaks in "builtin/blame.c", but as doing so would
require some re-arrangement of cmd_blame() let's leave it for some
other time.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-02-16 09:40:00 -08:00
.github
Documentation The third batch 2022-02-11 16:56:01 -08:00
block-sha1
builtin date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
ci
compat Merge branch 'bc/csprng-mktemps' 2022-02-11 16:55:57 -08:00
contrib Merge branch 'bc/csprng-mktemps' 2022-02-11 16:55:57 -08:00
ewah
git-gui
gitk-git
gitweb
mergetools
negotiator
perl
po l10n: Update Catalan translation 2022-01-23 09:40:52 +01:00
ppc
refs refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
reftable
sha1collisiondetection@855827c583
sha1dc
sha256
t date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
templates
trace2
xdiff
.cirrus.yml
.clang-format
.editorconfig
.gitattributes
.gitignore
.gitmodules
.mailmap
.tsan-suppressions
CODE_OF_CONDUCT.md
COPYING
GIT-VERSION-GEN Git 2.35.1 2022-01-28 16:48:42 -08:00
INSTALL
LGPL-2.1
Makefile Merge branch 'bc/csprng-mktemps' 2022-02-11 16:55:57 -08:00
README.md Merge branch 'po/readme-mention-contributor-hints' 2022-02-09 14:20:59 -08:00
RelNotes Name the next one 2.36 to prepare for 2.35.1 2022-01-28 16:57:10 -08:00
SECURITY.md
abspath.c
aclocal.m4
add-interactive.c
add-interactive.h
add-patch.c Merge branch 'pw/add-p-hunk-split-fix' 2022-02-09 14:20:59 -08:00
advice.c
advice.h
alias.c
alias.h
alloc.c
alloc.h
apply.c Merge branch 'rs/apply-symlinks-use-strset' 2022-02-05 09:42:30 -08:00
apply.h Merge branch 'rs/apply-symlinks-use-strset' 2022-02-05 09:42:30 -08:00
archive-tar.c
archive-zip.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
archive.c
archive.h
attr.c
attr.h
banned.h
base85.c
bisect.c
bisect.h
blame.c
blame.h
blob.c
blob.h
bloom.c
bloom.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cache.h date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
cbtree.c
cbtree.h
chdir-notify.c
chdir-notify.h
check-builtins.sh
checkout.c
checkout.h
chunk-format.c
chunk-format.h
color.c
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit-graph.c
commit-graph.h
commit-reach.c
commit-reach.h
commit-slab-decl.h
commit-slab-impl.h
commit-slab.h
commit.c Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
commit.h
common-main.c
config.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
config.h config: include file if remote URL matches a glob 2022-01-18 13:55:53 -08:00
config.mak.dev Makefile: FreeBSD cannot do C99-or-below build 2022-01-18 12:16:23 -08:00
config.mak.in
config.mak.uname Merge branch 'bc/csprng-mktemps' 2022-02-11 16:55:57 -08:00
configure.ac
connect.c
connect.h
connected.c
connected.h
convert.c
convert.h
copy.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
date.h date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
decorate.c
decorate.h
delta-islands.c
delta-islands.h
delta.h
detect-compiler
diff-delta.c
diff-lib.c
diff-merges.c
diff-merges.h
diff-no-index.c
diff.c
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore-rotate.c
diffcore.h
dir-iterator.c
dir-iterator.h
dir.c
dir.h
editor.c
entry.c
entry.h
environment.c
environment.h
exec-cmd.c
exec-cmd.h
fetch-negotiator.c
fetch-negotiator.h
fetch-pack.c
fetch-pack.h
fmt-merge-msg.c
fmt-merge-msg.h
fsck.c
fsck.h
fsmonitor.c
fsmonitor.h
fuzz-commit-graph.c
fuzz-pack-headers.c
fuzz-pack-idx.c
generate-cmdlist.sh
generate-configlist.sh
generate-hooklist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'bc/csprng-mktemps' 2022-02-11 16:55:57 -08:00
git-curl-compat.h
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 Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
git-quiltimport.sh
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-submodule.sh
git-svn.perl
git-web--browse.sh
git.c Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
git.rc
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c Merge branch 'rs/grep-expr-cleanup' 2022-02-05 09:42:30 -08:00
grep.h
hash-lookup.c
hash-lookup.h
hash.h
hashmap.c
hashmap.h
help.c
help.h
hex.c
hook.c
hook.h
http-backend.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
http-fetch.c
http-push.c
http-walker.c
http.c
http.h
ident.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
imap-send.c
iterator.h
json-writer.c
json-writer.h
khash.h
kwset.c
kwset.h
levenshtein.c
levenshtein.h
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
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
match-trees.c
mem-pool.c mem-pool: don't assume uintmax_t is aligned enough for all types 2022-01-24 10:26:40 -08:00
mem-pool.h
merge-blobs.c
merge-blobs.h
merge-ort-wrappers.c
merge-ort-wrappers.h
merge-ort.c Merge branch 'en/plug-leaks-in-merge' 2022-02-09 14:21:00 -08:00
merge-ort.h
merge-recursive.c
merge-recursive.h
merge.c
mergesort.c
mergesort.h
midx.c
midx.h
name-hash.c
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object-file.c
object-name.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
object-store.h
object.c
object.h
oid-array.c
oid-array.h
oidmap.c
oidmap.h
oidset.c
oidset.h
oidtree.c
oidtree.h
pack-bitmap-write.c
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
packfile.h
pager.c
parallel-checkout.c
parallel-checkout.h
parse-options-cb.c
parse-options.c Merge branch 'ab/cat-file' 2022-02-05 09:42:31 -08:00
parse-options.h Merge branch 'rs/parse-options-lithelp-help' 2022-02-11 16:55:58 -08:00
patch-delta.c
patch-ids.c
patch-ids.h
path.c
path.h
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c
pretty.h date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
prio-queue.c
prio-queue.h
progress.c
progress.h
promisor-remote.c
promisor-remote.h
prompt.c
prompt.h
protocol-caps.c
protocol-caps.h
protocol.c
protocol.h
prune-packed.c
prune-packed.h
quote.c
quote.h
range-diff.c
range-diff.h
reachable.c
reachable.h
read-cache.c Merge branch 'js/sparse-vs-split-index' 2022-02-09 14:21:01 -08:00
rebase-interactive.c
rebase-interactive.h
rebase.c
rebase.h
ref-filter.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
ref-filter.h
reflog-walk.c
reflog-walk.h date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
refs.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
refs.h refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
refspec.c
refspec.h
remote-curl.c
remote.c refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
remote.h
replace-object.c
replace-object.h
repo-settings.c
repository.c
repository.h
rerere.c
rerere.h
reset.c
reset.h
resolve-undo.c
resolve-undo.h
revision.c
revision.h
run-command.c Merge branch 'ab/config-based-hooks-2' 2022-02-09 14:21:00 -08:00
run-command.h
send-pack.c
send-pack.h
sequencer.c Merge branch 'ab/no-errno-from-resolve-ref-unsafe' 2022-02-11 16:55:58 -08:00
sequencer.h
serve.c
serve.h
server-info.c
setup.c
sh-i18n--envsubst.c
sha1dc_git.c
sha1dc_git.h
shallow.c
shallow.h
shell.c
shortlog.h
sideband.c
sideband.h
sigchain.c
sigchain.h
simple-ipc.h
sparse-index.c sparse-index: sparse index is disallowed when split index is active 2022-01-23 17:06:05 -08:00
sparse-index.h
split-index.c split-index: it really is incompatible with the sparse index 2022-01-23 17:06:23 -08:00
split-index.h
stable-qsort.c
strbuf.c date API: create a date.h, split from cache.h 2022-02-16 09:40:00 -08:00
strbuf.h
streaming.c
streaming.h
string-list.c
string-list.h
strmap.c
strmap.h
strvec.c
strvec.h
sub-process.c
sub-process.h
submodule-config.c
submodule-config.h
submodule.c
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
trace2.c
trace2.h
trailer.c
trailer.h
transport-helper.c
transport-internal.h
transport.c
transport.h
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unicode-width.h
unimplemented.sh
unix-socket.c
unix-socket.h
unix-stream-server.c
unix-stream-server.h
unpack-trees.c
unpack-trees.h
upload-pack.c
upload-pack.h
url.c
url.h
urlmatch.c
urlmatch.h
usage.c
userdiff.c
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 refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
worktree.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.md

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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-<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).

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 and Documentation/CodingGuidelines).

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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