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Jeff King 13228c30a6 interpret_branch_name(): handle auto-namelen for @{-1}
The interpret_branch_name() function takes a ptr/len pair
for the name, but you can pass "0" for "namelen", which will
cause it to check the length with strlen().

However, before we do that auto-namelen magic, we call
interpret_nth_prior_checkout(), which gets fed the bogus
"0". This was broken by 8cd4249c4 (interpret_branch_name:
always respect "namelen" parameter, 2014-01-15).  Though to
be fair to that commit, it was broken in the _opposite_
direction before, where we would always treat "name" as a
string even if a length was passed.

You can see the bug with "git log -g @{-1}". That code path
always passes "0", and without this patch it cannot figure
out which branch's reflog to show.

We can fix it by a small reordering of the code.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-02 11:04:57 -08:00
Documentation Git 2.11.1 2017-02-02 13:21:27 -08:00
block-sha1
builtin Merge branch 'jk/blame-fixes' into maint 2017-01-31 13:32:07 -08:00
ci
compat Merge branch 'js/mingw-isatty' into maint 2017-01-31 13:32:11 -08:00
contrib Merge branch 'ls/filter-process' into maint 2017-01-17 15:19:08 -08:00
ewah
git-gui
gitk-git
gitweb
mergetools Merge branch 'da/mergetool-xxdiff-hotkey' into maint 2017-01-17 15:11:05 -08:00
perl git-svn: allow "0" in SVN path components 2016-12-12 10:49:50 -08:00
po
ppc
refs
t interpret_branch_name(): handle auto-namelen for @{-1} 2017-03-02 11:04:57 -08:00
templates
vcs-svn
xdiff
.gitattributes
.gitignore Merge branch 'bb/unicode-9.0' into maint 2017-01-17 14:49:25 -08:00
.mailmap
.travis.yml travis-ci: fix Perforce install on macOS 2017-01-23 10:55:00 -08:00
COPYING
GIT-VERSION-GEN Almost ready for 2.11.1 2017-01-17 15:19:11 -08:00
INSTALL
LGPL-2.1
Makefile Makefile: exclude contrib from FIND_SOURCE_FILES 2016-12-14 09:54:49 -08:00
README.md README: replace gmane link with public-inbox 2016-12-15 09:30:09 -08:00
RelNotes Almost ready for 2.11.1 2017-01-17 15:19:11 -08:00
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c
apply.c
apply.h
archive-tar.c
archive-zip.c archive-zip: load userdiff config 2017-01-07 18:49:30 -08:00
archive.c
archive.h
argv-array.c
argv-array.h
attr.c
attr.h
base85.c
bisect.c
bisect.h
blob.c
blob.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 Merge branch 'sb/in-core-index-doc' into maint 2017-01-31 13:32:11 -08:00
check-builtins.sh
check-racy.c
check_bindir
color.c
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit-slab.h
commit.c
commit.h
common-main.c
config.c Merge branch 'nd/config-misc-fixes' into maint 2017-01-31 13:32:06 -08:00
config.mak.in
config.mak.uname
configure.ac
connect.c
connect.h
connected.c
connected.h
convert.c Merge branch 'jc/renormalize-merge-kill-safer-crlf' into maint 2017-01-17 14:49:28 -08:00
convert.h
copy.c
credential-cache--daemon.c
credential-cache.c
credential-store.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c Merge branch 'jk/daemon-path-ok-check-truncation' into maint 2016-11-29 13:27:56 -08:00
date.c
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c
diff-no-index.c
diff.c diff: handle --no-abbrev in no-index case 2016-12-08 14:40:30 -08:00
diff.h
diffcore-break.c Merge branch 'tk/diffcore-delta-remove-unused' into maint 2016-11-29 13:28:03 -08:00
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c Merge branch 'tk/diffcore-delta-remove-unused' into maint 2016-11-29 13:28:03 -08:00
diffcore.h Merge branch 'tk/diffcore-delta-remove-unused' into maint 2016-11-29 13:28:03 -08:00
dir-iterator.c
dir-iterator.h
dir.c
dir.h
editor.c
entry.c
environment.c
exec_cmd.c Merge branch 'js/exec-path-coverity-workaround' into maint 2017-01-31 13:32:10 -08:00
exec_cmd.h
fast-import.c Merge branch 'mh/fast-import-notes-fix-new' into maint 2017-01-31 13:32:05 -08:00
fetch-pack.c
fetch-pack.h
fmt-merge-msg.h
fsck.c
fsck.h
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'jk/common-main' into maint-2.10 2016-12-05 11:24:28 -08:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-difftool.perl Merge branch 'jk/difftool-in-subdir' into maint 2017-01-17 15:14:40 -08:00
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 'gv/p4-multi-path-commit-fix' into maint 2017-01-17 15:19:02 -08:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh Merge branch 'jk/rebase-i-squash-count-fix' into maint 2017-01-31 13:32:07 -08:00
git-rebase--merge.sh
git-rebase.sh
git-relink.perl
git-remote-testgit.sh
git-request-pull.sh request-pull: drop old USAGE stuff 2017-01-15 16:23:23 -08:00
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh Merge branch 'jk/stash-disable-renames-internally' into maint 2017-01-17 14:49:30 -08:00
git-submodule.sh
git-svn.perl
git-web--browse.sh
git.c execv_dashed_external: wait for child on signal death 2017-01-09 13:41:40 -08:00
git.rc
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c
grep.h
hashmap.c
hashmap.h
help.c
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c
http-walker.c http-walker: complain about non-404 loose object errors 2016-12-06 12:43:34 -08:00
http.c Merge branch 'jk/http-walker-limit-redirect' into maint 2017-01-17 14:49:29 -08:00
http.h Merge branch 'jk/http-walker-limit-redirect' into maint 2017-01-17 14:49:29 -08:00
ident.c
imap-send.c
iterator.h
khash.h
kwset.c
kwset.h
levenshtein.c
levenshtein.h
line-log.c
line-log.h
line-range.c
line-range.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
mailinfo.c Merge branch 'jt/mailinfo-fold-in-body-headers' into maint 2017-01-17 15:11:06 -08:00
mailinfo.h
mailmap.c
mailmap.h
match-trees.c
merge-blobs.c
merge-blobs.h
merge-recursive.c Merge branch 'nd/qsort-in-merge-recursive' into maint 2017-01-17 15:19:03 -08:00
merge-recursive.h
merge.c
mergesort.c
mergesort.h
mru.c
mru.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.c
object.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
pager.c
parse-options-cb.c
parse-options.c parse-options: print "fatal:" before usage_msg_opt() 2016-12-14 09:58:09 -08:00
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c Merge branch 'js/normalize-path-copy-ceil' into maint 2017-01-17 15:11:03 -08:00
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c
prio-queue.c
prio-queue.h
progress.c
progress.h
prompt.c
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c cache.h: document remove_index_entry_at 2017-01-19 12:17:57 -08:00
ref-filter.c
ref-filter.h
reflog-walk.c
reflog-walk.h
refs.c
refs.h
remote-curl.c Merge branch 'dt/smart-http-detect-server-going-away' into maint 2017-01-17 15:19:03 -08:00
remote-testsvn.c
remote.c Merge branch 'km/branch-get-push-while-detached' into maint 2017-01-31 13:32:08 -08:00
remote.h
replace_object.c
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c
revision.h
run-command.c execv_dashed_external: wait for child on signal death 2017-01-09 13:41:40 -08:00
run-command.h execv_dashed_external: wait for child on signal death 2017-01-09 13:41:40 -08:00
send-pack.c
send-pack.h
sequencer.c Revert "sequencer: remove useless get_dir() function" 2016-12-14 14:56:46 -08:00
sequencer.h
server-info.c
setup.c
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
sha1_file.c Merge branch 'jk/quote-env-path-list-component' into maint 2017-01-17 15:11:06 -08:00
sha1_name.c interpret_branch_name(): handle auto-namelen for @{-1} 2017-03-02 11:04:57 -08:00
shallow.c Merge branch 'nd/shallow-fixup' into maint 2017-01-17 15:11:05 -08:00
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
split-index.c
split-index.h
strbuf.c
strbuf.h
streaming.c
streaming.h
string-list.c
string-list.h
submodule-config.c
submodule-config.h
submodule.c Merge branch 'bw/push-dry-run' into maint 2017-01-17 14:49:27 -08:00
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: quote paths we add to alternates 2016-12-12 15:10:46 -08:00
tmp-objdir.h
trace.c
trace.h
trailer.c
trailer.h
transport-helper.c
transport.c Merge branch 'bw/push-dry-run' into maint 2017-01-17 14:49:27 -08:00
transport.h
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unicode_width.h unicode_width.h: update the width tables to Unicode 9.0 2016-12-14 09:48:07 -08:00
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Merge branch 'sb/unpack-trees-grammofix' into maint 2017-01-17 15:19:05 -08:00
unpack-trees.h
upload-pack.c
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
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

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 http://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.

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