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Junio C Hamano 0d114107f5 Merge branch 'ma/diff-doc-clarify-regexp-example' Doc clarification. * ma/diff-doc-clarify-regexp-example: diff-options.txt: avoid "regex" overload in example		2020-02-12 12:41:38 -08:00
.github	…
Documentation	Merge branch 'ma/diff-doc-clarify-regexp-example'	2020-02-12 12:41:38 -08:00
block-sha1	…
builtin	Merge branch 'jc/skip-prefix'	2020-02-12 12:41:37 -08:00
ci	Merge branch 'js/add-p-leftover-bits'	2020-02-05 14:34:58 -08:00
compat	Merge branch 'jk/clang-sanitizer-fixes'	2020-02-12 12:41:36 -08:00
contrib	Merge branch 'mt/sparse-checkout-doc-update'	2020-02-05 14:35:00 -08:00
ewah	…
git-gui	Merge https://github.com/prati0100/git-gui	2020-01-08 11:18:06 -08:00
gitk-git	…
gitweb	Merge branch 'do/gitweb-typofix-in-comments'	2020-01-08 12:44:11 -08:00
mergetools	…
negotiator	…
perl	Fix spelling errors in documentation outside of Documentation/	2019-11-07 13:42:00 +09:00
po	l10n: zh_CN: for git v2.25.0 l10n round 1	2020-01-12 19:22:02 +08:00
ppc	…
refs	C: use skip_prefix() to avoid hardcoded string length	2020-01-31 13:03:45 -08:00
sha1collisiondetection@855827c583	…
sha1dc	Merge branch 'jk/lore-is-the-archive'	2019-12-06 15:09:23 -08:00
sha256	…
t	Merge branch 'jb/parse-options-message-fix'	2020-02-12 12:41:37 -08:00
templates	Merge branch 'lh/bool-to-type-bool'	2020-01-30 14:17:11 -08:00
trace2	Merge branch 'en/doc-typofix'	2019-12-01 09:04:35 -08:00
vcs-svn	…
xdiff	Merge branch 'rs/xdiff-ignore-ws-w-func-context'	2019-12-16 13:08:32 -08:00
.cirrus.yml	CI: add FreeBSD CI support via Cirrus-CI	2019-12-20 12:09:12 -08:00
.clang-format	…
.editorconfig	editorconfig: indent text files with tabs	2020-01-06 08:46:32 -08:00
.gitattributes	…
.gitignore	sparse-checkout: create builtin with 'list' subcommand	2019-11-22 16:11:43 +09:00
.gitmodules	…
.mailmap	Sync with maint	2020-01-30 14:17:17 -08:00
.travis.yml	…
.tsan-suppressions	…
CODE_OF_CONDUCT.md	…
COPYING	…
GIT-VERSION-GEN	The first batch post 2.25 cycle	2020-01-22 15:08:43 -08:00
INSTALL	Merge branch 'ar/install-doc-update-cmds-needing-the-shell'	2019-12-01 09:04:41 -08:00
LGPL-2.1	…
Makefile	Merge branch 'jk/asan-build-fix'	2020-01-30 14:17:09 -08:00
README.md	doc: recommend lore.kernel.org over public-inbox.org	2019-11-30 09:12:04 -08:00
RelNotes	The first batch post 2.25 cycle	2020-01-22 15:08:43 -08:00
abspath.c	…
aclocal.m4	…
add-interactive.c	Merge branch 'js/add-p-leftover-bits'	2020-02-05 14:34:58 -08:00
add-interactive.h	built-in add -p: respect the `interactive.singlekey` config setting	2020-01-15 12:06:17 -08:00
add-patch.c	built-in add -p: respect the `interactive.singlekey` config setting	2020-01-15 12:06:17 -08:00
advice.c	submodule--helper: advise on fatal alternate error	2019-12-03 08:49:45 -08:00
advice.h	submodule--helper: advise on fatal alternate error	2019-12-03 08:49:45 -08:00
alias.c	…
alias.h	…
alloc.c	…
alloc.h	…
apply.c	Merge branch 'js/add-i-a-bit-more-tests'	2019-12-16 13:08:47 -08:00
apply.h	…
archive-tar.c	…
archive-zip.c	Merge branch 'rs/archive-zip-code-cleanup'	2019-12-16 13:14:47 -08:00
archive.c	…
archive.h	…
argv-array.c	argv-array: add space after `while`	2019-11-20 13:29:02 +09:00
argv-array.h	argv-array: move doc to argv-array.h	2019-11-18 15:21:29 +09:00
attr.c	attr: move doc to attr.h	2019-11-18 15:21:28 +09:00
attr.h	attr: move doc to attr.h	2019-11-18 15:21:28 +09:00
azure-pipelines.yml	…
banned.h	…
base85.c	…
bisect.c	…
bisect.h	…
blame.c	…
blame.h	…
blob.c	…
blob.h	…
branch.c	…
branch.h	…
builtin.h	sparse-checkout: create builtin with 'list' subcommand	2019-11-22 16:11:43 +09:00
bulk-checkin.c	…
bulk-checkin.h	…
bundle.c	bundle-create: progress output control	2019-11-11 11:46:28 +09:00
bundle.h	bundle-create: progress output control	2019-11-11 11:46:28 +09:00
cache-tree.c	…
cache-tree.h	…
cache.h	Merge branch 'ds/sparse-cone'	2020-01-06 14:17:51 -08:00
chdir-notify.c	…
chdir-notify.h	…
check-builtins.sh	…
check_bindir	…
checkout.c	…
checkout.h	…
color.c	…
color.h	…
column.c	…
column.h	…
combine-diff.c	…
command-list.txt	Merge branch 'ds/sparse-cone'	2019-12-25 11:21:58 -08:00
commit-graph.c	Merge branch 'ds/commit-graph-set-size-mult'	2020-01-06 14:17:51 -08:00
commit-graph.h	…
commit-reach.c	…
commit-reach.h	…
commit-slab-decl.h	…
commit-slab-impl.h	…
commit-slab.h	…
commit.c	gpg-interface: add minTrustLevel as a configuration option	2020-01-15 14:06:06 -08:00
commit.h	gpg-interface: add minTrustLevel as a configuration option	2020-01-15 14:06:06 -08:00
common-main.c	…
config.c	sparse-checkout: add 'cone' mode	2019-11-22 16:11:44 +09:00
config.h	…
config.mak.dev	…
config.mak.in	…
config.mak.uname	Sync with 2.23.1	2019-12-06 16:31:39 +01:00
configure.ac	Merge branch 'dd/sequencer-utf8'	2019-12-01 09:04:36 -08:00
connect.c	Sync with 2.23.1	2019-12-06 16:31:39 +01:00
connect.h	…
connected.c	clone: remove fetch_if_missing=0	2019-11-13 11:48:47 +09:00
connected.h	…
convert.c	Merge branch 'rs/skip-iprefix'	2019-12-01 09:04:36 -08:00
convert.h	…
copy.c	…
credential-cache--daemon.c	…
credential-cache.c	…
credential-store.c	…
credential.c	…
credential.h	credential: move doc to credential.h	2019-11-18 15:21:29 +09:00
csum-file.c	…
csum-file.h	…
ctype.c	…
daemon.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
date.c	date.c: switch to reentrant {gm,local}time_r	2019-11-30 13:50:48 -08:00
decorate.c	…
decorate.h	…
delta-islands.c	…
delta-islands.h	…
delta.h	…
detect-compiler	…
diff-delta.c	…
diff-lib.c	…
diff-no-index.c	…
diff.c	Merge branch 'js/builtin-add-i'	2019-12-05 12:52:43 -08:00
diff.h	Merge branch 'hw/doc-in-header'	2019-12-16 13:08:39 -08:00
diffcore-break.c	…
diffcore-delta.c	…
diffcore-order.c	…
diffcore-pickaxe.c	…
diffcore-rename.c	…
diffcore.h	diff: move doc to diff.h and diffcore.h	2019-11-18 15:21:28 +09:00
dir-iterator.c	…
dir-iterator.h	…
dir.c	dir: point treat_leading_path() warning to the right place	2020-01-16 12:56:13 -08:00
dir.h	Merge branch 'ds/sparse-cone'	2019-12-25 11:21:58 -08:00
editor.c	…
entry.c	…
environment.c	Merge branch 'ds/sparse-cone'	2019-12-25 11:21:58 -08:00
exec-cmd.c	…
exec-cmd.h	…
fast-import.c	Sync with 2.23.1	2019-12-06 16:31:39 +01:00
fetch-negotiator.c	…
fetch-negotiator.h	…
fetch-pack.c	Merge branch 'ec/fetch-mark-common-refs-trace2'	2019-12-05 12:52:44 -08:00
fetch-pack.h	…
fmt-merge-msg.h	…
fsck.c	Sync with Git 2.24.1	2019-12-09 22:17:55 -08:00
fsck.h	…
fsmonitor.c	unpack-trees: skip stat on fsmonitor-valid files	2019-11-21 12:48:18 +09:00
fsmonitor.h	…
fuzz-commit-graph.c	…
fuzz-pack-headers.c	…
fuzz-pack-idx.c	…
generate-cmdlist.sh	…
gettext.c	…
gettext.h	…
git-add--interactive.perl	git add -p: use non-zero exit code when the diff generation failed	2019-12-06 08:57:34 -08:00
git-archimport.perl	…
git-bisect.sh	…
git-compat-util.h	Sync with Git 2.24.1	2019-12-09 22:17:55 -08:00
git-cvsexportcommit.perl	…
git-cvsimport.perl	Fix spelling errors in messages shown to users	2019-11-10 16:00:54 +09:00
git-cvsserver.perl	…
git-difftool--helper.sh	…
git-filter-branch.sh	…
git-instaweb.sh	…
git-legacy-stash.sh	Merge branch 'js/patch-mode-in-others-in-c'	2020-02-05 14:34:58 -08:00
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 'bk/p4-misc-usability'	2020-01-02 12:38:29 -08:00
git-parse-remote.sh	…
git-quiltimport.sh	…
git-rebase--preserve-merges.sh	…
git-request-pull.sh	…
git-send-email.perl	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
git-sh-i18n.sh	…
git-sh-setup.sh	…
git-submodule.sh	submodule add: show 'add --dry-run' stderr when aborting	2020-01-15 10:22:24 -08:00
git-svn.perl	git svn: stop using `rebase --preserve-merges`	2019-11-23 09:49:23 +09:00
git-web--browse.sh	…
git.c	sparse-checkout: create builtin with 'list' subcommand	2019-11-22 16:11:43 +09:00
git.rc	…
gpg-interface.c	Merge branch 'hi/gpg-mintrustlevel'	2020-01-30 14:17:08 -08:00
gpg-interface.h	Merge branch 'hi/gpg-mintrustlevel'	2020-01-30 14:17:08 -08:00
graph.c	graph: fix collapse of multiple edges	2020-01-15 12:14:51 -08:00
graph.h	graph: move doc to graph.h and graph.c	2019-11-18 15:21:28 +09:00
grep.c	grep: don't return an expression from pcre2_free()	2019-11-30 14:06:58 -08:00
grep.h	…
hash.h	…
hashmap.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
hashmap.h	Merge branch 'en/doc-typofix'	2019-12-01 09:04:35 -08:00
help.c	Fix spelling errors in messages shown to users	2019-11-10 16:00:54 +09:00
help.h	…
hex.c	hex: drop sha1_to_hex()	2019-11-13 10:09:10 +09:00
http-backend.c	…
http-fetch.c	…
http-push.c	…
http-walker.c	…
http.c	Merge branch 'cb/curl-use-xmalloc'	2019-12-01 09:04:33 -08:00
http.h	…
ident.c	…
imap-send.c	…
interdiff.c	…
interdiff.h	…
iterator.h	…
json-writer.c	…
json-writer.h	…
khash.h	…
kwset.c	…
kwset.h	kset.h, tar.h: add missing header guard to prevent multiple inclusion	2019-11-07 20:12:04 +09:00
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	merge: move doc to ll-merge.h	2019-11-18 15:21:28 +09:00
lockfile.c	…
lockfile.h	…
log-tree.c	Merge branch 'hi/gpg-use-check-signature'	2019-12-10 13:11:45 -08:00
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.h	…
merge-blobs.c	…
merge-blobs.h	…
merge-recursive.c	merge-recursive: use subtraction to flip stage	2020-01-27 11:17:41 -08:00
merge-recursive.h	…
merge.c	…
mergesort.c	…
mergesort.h	…
midx.c	…
midx.h	…
name-hash.c	Merge branch 'en/doc-typofix'	2019-12-01 09:04:35 -08:00
notes-cache.c	…
notes-cache.h	…
notes-merge.c	…
notes-merge.h	…
notes-utils.c	…
notes-utils.h	…
notes.c	C: use skip_prefix() to avoid hardcoded string length	2020-01-31 13:03:45 -08:00
notes.h	Merge branch 'dl/format-patch-notes-config-fixup'	2019-12-25 11:21:58 -08:00
object-store.h	Merge branch 'jn/pretend-object-doc'	2020-02-12 12:41:35 -08:00
object.c	packfile.c: speed up loading lots of packfiles	2019-12-03 07:59:45 -08:00
object.h	…
oidmap.c	…
oidmap.h	…
oidset.c	…
oidset.h	…
pack-bitmap-write.c	…
pack-bitmap.c	…
pack-bitmap.h	…
pack-check.c	…
pack-objects.c	Merge branch 'jk/optim-in-pack-idx-conversion'	2019-12-01 09:04:38 -08:00
pack-objects.h	Merge branch 'jk/optim-in-pack-idx-conversion'	2019-12-01 09:04:38 -08:00
pack-revindex.c	…
pack-revindex.h	…
pack-write.c	…
pack.h	…
packfile.c	Merge branch 'ew/packfile-syscall-optim'	2020-01-06 14:17:50 -08:00
packfile.h	…
pager.c	…
parse-options-cb.c	parse-options: avoid arithmetic on pointer that's potentially NULL	2019-11-13 11:44:00 +09:00
parse-options.c	Merge branch 'jb/parse-options-message-fix'	2020-02-12 12:41:37 -08:00
parse-options.h	Merge branch 'hw/doc-in-header'	2019-12-16 13:08:39 -08:00
patch-delta.c	…
patch-ids.c	…
patch-ids.h	…
path.c	Sync with Git 2.24.1	2019-12-09 22:17:55 -08:00
path.h	…
pathspec.c	pathspec: add new function to parse file	2019-11-20 13:01:53 +09:00
pathspec.h	Merge branch 'hw/doc-in-header'	2019-12-16 13:08:39 -08:00
pkt-line.c	…
pkt-line.h	pkt-line: fix a typo	2019-12-02 08:48:56 -08:00
preload-index.c	…
pretty.c	Merge branch 'hi/gpg-mintrustlevel'	2020-01-30 14:17:08 -08:00
pretty.h	…
prio-queue.c	…
prio-queue.h	…
progress.c	progress: create GIT_PROGRESS_DELAY	2019-11-27 10:57:10 +09:00
progress.h	…
promisor-remote.c	promisor-remote: remove fetch_if_missing=0	2019-11-13 11:50:58 +09:00
promisor-remote.h	…
prompt.c	…
prompt.h	…
protocol.c	…
protocol.h	…
quote.c	…
quote.h	…
range-diff.c	range-diff: mark pointers as const	2019-12-06 12:34:49 -08:00
range-diff.h	Merge branch 'dl/range-diff-with-notes'	2019-12-16 13:08:46 -08:00
reachable.c	…
reachable.h	…
read-cache.c	Merge branch 'js/mingw-loosen-overstrict-tree-entry-checks'	2020-01-10 14:45:27 -08:00
rebase-interactive.c	…
rebase-interactive.h	…
ref-filter.c	…
ref-filter.h	…
reflog-walk.c	…
reflog-walk.h	…
refs.c	…
refs.h	refs: move doc to refs.h	2019-11-18 15:21:28 +09:00
refspec.c	…
refspec.h	remote: move doc to remote.h and refspec.h	2019-11-18 15:21:28 +09:00
remote-curl.c	C: use skip_prefix() to avoid hardcoded string length	2020-01-31 13:03:45 -08:00
remote-testsvn.c	…
remote.c	…
remote.h	remote: move doc to remote.h and refspec.h	2019-11-18 15:21:28 +09:00
replace-object.c	…
replace-object.h	…
repo-settings.c	…
repository.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
repository.h	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
rerere.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
rerere.h	…
resolve-undo.c	…
resolve-undo.h	…
revision.c	Merge branch 'dl/format-patch-notes-config-fixup'	2019-12-25 11:21:58 -08:00
revision.h	Merge branch 'dl/format-patch-notes-config-fixup'	2019-12-25 11:21:58 -08:00
run-command.c	Merge branch 'bc/run-command-nullness-after-free-fix'	2020-01-22 15:07:31 -08:00
run-command.h	run-command: move doc to run-command.h	2019-11-18 15:21:29 +09:00
send-pack.c	Merge branch 'jk/send-pack-check-negative-with-quick'	2019-12-06 15:09:22 -08:00
send-pack.h	…
sequencer.c	avoid computing zero offsets from NULL pointer	2020-01-28 23:12:48 -08:00
sequencer.h	Revert "Merge branch 'ra/rebase-i-more-options'"	2020-01-12 13:25:18 -08:00
serve.c	…
serve.h	…
server-info.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
setup.c	verify_filename(): handle backslashes in "wildcards are pathspecs" rule	2020-01-27 10:46:35 -08:00
sh-i18n--envsubst.c	…
sha1-array.c	sha1-array: move doc to sha1-array.h	2019-11-18 15:21:28 +09:00
sha1-array.h	sha1-array: move doc to sha1-array.h	2019-11-18 15:21:28 +09:00
sha1-file.c	sha1-file: remove OBJECT_INFO_SKIP_CACHED	2020-01-02 12:53:30 -08:00
sha1-lookup.c	…
sha1-lookup.h	…
sha1-name.c	C: use skip_prefix() to avoid hardcoded string length	2020-01-31 13:03:45 -08:00
sha1dc_git.c	hex: drop sha1_to_hex()	2019-11-13 10:09:10 +09:00
sha1dc_git.h	…
shallow.c	…
shell.c	shell: use skip_prefix() instead of starts_with()	2019-11-27 11:18:24 +09:00
shortlog.h	…
sideband.c	…
sideband.h	…
sigchain.c	…
sigchain.h	sigchain: move doc to sigchain.h	2019-11-18 15:21:29 +09:00
split-index.c	…
split-index.h	…
stable-qsort.c	…
strbuf.c	strbuf: add a helper function to call the editor "on an strbuf"	2019-12-13 12:37:14 -08:00
strbuf.h	strbuf: add a helper function to call the editor "on an strbuf"	2019-12-13 12:37:14 -08:00
streaming.c	…
streaming.h	…
string-list.c	…
string-list.h	Merge branch 'en/string-list-can-be-custom-sorted'	2020-01-22 15:07:31 -08:00
sub-process.c	…
sub-process.h	…
submodule-config.c	fix-typo: consecutive-word duplications	2019-12-16 11:53:11 -08:00
submodule-config.h	submodule-config: move doc to submodule-config.h	2019-11-18 15:21:29 +09:00
submodule.c	Merge branch 'es/submodule-fetch-message-fix'	2020-02-12 12:41:38 -08:00
submodule.h	Sync with 2.22.2	2019-12-06 16:31:30 +01:00
symlinks.c	…
tag.c	…
tag.h	…
tar.h	kset.h, tar.h: add missing header guard to prevent multiple inclusion	2019-11-07 20:12:04 +09:00
tempfile.c	…
tempfile.h	…
thread-utils.c	…
thread-utils.h	…
tmp-objdir.c	…
tmp-objdir.h	…
trace.c	…
trace.h	trace: move doc to trace.h	2019-11-18 15:21:29 +09:00
trace2.c	…
trace2.h	trace2: move doc to trace2.h	2019-11-18 15:21:29 +09:00
trailer.c	…
trailer.h	…
transport-helper.c	C: use skip_prefix() to avoid hardcoded string length	2020-01-31 13:03:45 -08:00
transport-internal.h	…
transport.c	Merge branch 'jk/no-flush-upon-disconnecting-slrpc-transport'	2020-01-22 15:07:32 -08:00
transport.h	…
tree-diff.c	…
tree-walk.c	Merge branch 'js/mingw-loosen-overstrict-tree-entry-checks'	2020-01-06 14:17:50 -08:00
tree-walk.h	tree-walk: move doc to tree-walk.h	2019-11-18 15:21:29 +09:00
tree.c	…
tree.h	…
unicode-width.h	…
unimplemented.sh	…
unix-socket.c	…
unix-socket.h	…
unpack-trees.c	Merge branch 'jk/clang-sanitizer-fixes'	2020-02-12 12:41:36 -08:00
unpack-trees.h	sparse-checkout: update working directory in-process	2019-11-22 16:11:44 +09:00
upload-pack.c	…
upload-pack.h	…
url.c	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
url.h	…
urlmatch.c	…
urlmatch.h	…
usage.c	vreportf(): avoid relying on stdio buffering	2019-11-02 15:20:21 +09:00
userdiff.c	Merge branch 'ln/userdiff-elixir'	2019-12-25 11:21:59 -08:00
userdiff.h	…
utf8.c	utf8: use skip_iprefix() in same_utf_encoding()	2019-11-10 16:04:36 +09:00
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	…
wt-status.c	…
wt-status.h	…
xdiff-interface.c	xdiff: avoid computing non-zero offset from NULL pointer	2020-01-28 23:13:25 -08:00
xdiff-interface.h	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00
zlib.c	…

README.md

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). 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://lore.kernel.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