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Jeff King 321fd82389 run-command: mark path lookup errors with ENOENT
Since commit e3a434468f (run-command: use the
async-signal-safe execv instead of execvp, 2017-04-19),
prepare_cmd() does its own PATH lookup for any commands we
run (on non-Windows platforms).

However, its logic does not match the old execvp call when
we fail to find a matching entry in the PATH. Instead of
feeding the name directly to execv, execvp would consider
that an ENOENT error. By continuing and passing the name
directly to execv, we effectively behave as if "." was
included at the end of the PATH. This can have confusing and
even dangerous results.

The fix itself is pretty straight-forward. There's a new
test in t0061 to cover this explicitly, and I've also added
a duplicate of the ENOENT test to ensure that we return the
correct errno for this case.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-25 11:06:51 +09:00
.github
block-sha1
builtin submodule--helper: use "--" to signal end of clone options 2018-09-27 09:34:55 -07:00
ci travis-ci: fix "skip_branch_tip_with_tag()" string comparison 2017-09-22 10:58:29 +09:00
compat Merge branch 'rb/compat-poll-fix' into maint 2017-10-18 14:19:05 +09:00
contrib Merge branch 'tb/complete-describe' into maint 2017-10-18 14:19:14 +09:00
Documentation Git 2.14.5 2018-09-27 11:19:11 -07:00
ewah use DIV_ROUND_UP 2017-07-10 14:24:36 -07:00
git-gui Merge branch 'js/msgfmt-on-windows' of ../git-gui into js/git-gui-msgfmt-on-windows 2017-07-25 13:42:41 -07:00
gitk-git
gitweb Merge branch 'hb/gitweb-project-list' into maint 2017-08-23 14:33:44 -07:00
mergetools
perl Merge branch 'jc/perl-git-comment-typofix' into maint 2017-09-10 17:02:57 +09:00
po l10n: zh_CN: review for git v2.14.0 l10n 2017-08-02 08:02:37 +08:00
ppc
refs convert less-trivial versions of "write_in_full() != len" 2017-09-14 15:17:59 +09:00
sha1collisiondetection@19d97bf5af
sha1dc
t run-command: mark path lookup errors with ENOENT 2018-10-25 11:06:51 +09:00
templates pre-rebase hook: capture documentation in a <<here document 2017-07-11 08:56:33 -07:00
vcs-svn Merge branch 'jn/vcs-svn-cleanup' into maint 2017-09-10 17:03:09 +09:00
xdiff
.gitattributes
.gitignore
.gitmodules
.mailmap .mailmap: normalize name for René Scharfe 2017-10-06 11:31:41 +09:00
.travis.yml travis-ci: move Travis CI code into dedicated scripts 2017-09-11 09:54:08 +09:00
.tsan-suppressions ThreadSanitizer: add suppressions 2017-08-23 10:38:56 -07:00
abspath.c
aclocal.m4
advice.c
advice.h
alias.c Merge branch 'js/alias-case-sensitivity' 2017-07-20 16:29:59 -07:00
alloc.c
apply.c Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
apply.h apply: remove prefix_length member from apply_state 2017-08-09 10:21:45 -07:00
archive-tar.c
archive-zip.c
archive.c archive: don't add empty directories to archives 2017-09-14 15:08:22 +09:00
archive.h
argv-array.c
argv-array.h
attr.c
attr.h
base85.c
bisect.c
bisect.h
blame.c Merge branch 'js/blame-lib' 2017-07-31 13:05:15 -07:00
blame.h
blob.c
blob.h
branch.c Merge branch 'nd/worktree-kill-parse-ref' into maint 2017-10-23 14:14:16 +09:00
branch.h
builtin.h git.c: provide setup_auto_pager() 2017-08-03 11:08:10 -07:00
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
cache-tree.c use MOVE_ARRAY 2017-07-17 14:54:56 -07:00
cache-tree.h
cache.h Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
check-builtins.sh
check-racy.c
check_bindir
color.c Revert "color: check color.ui in git_default_config()" 2017-10-17 15:09:52 +09:00
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit-slab.h commit-slab.h: avoid -Wsign-compare warnings 2017-09-22 13:00:36 +09:00
commit.c use MOVE_ARRAY 2017-07-17 14:54:56 -07:00
commit.h commit: remove unused inline function single_parent() 2017-08-19 09:24:05 -07:00
common-main.c
config.c Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
config.h
config.mak.in
config.mak.uname config.mak.uname: set FREAD_READS_DIRECTORIES for cygwin 2017-07-21 11:58:06 -07:00
configure.ac
connect.c Git 2.13.5 2017-08-04 12:40:37 -07:00
connect.h
connected.c
connected.h
convert.c Merge branch 'ma/ts-cleanups' into maint 2017-10-23 14:19:02 +09:00
convert.h Merge branch 'tb/apply-with-crlf' into maint 2017-09-10 17:02:55 +09:00
copy.c
COPYING
credential-cache--daemon.c
credential-cache.c Merge branch 'dl/credential-cache-socket-in-xdg-cache' into maint 2017-08-23 14:33:45 -07:00
credential-store.c
credential.c
credential.h
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-no-index.c
diff.c Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore.h
dir-iterator.c
dir-iterator.h
dir.c Merge branch 'rs/stat-data-unaligned-reads-fix' into maint 2017-08-23 14:33:48 -07:00
dir.h
editor.c
entry.c convert less-trivial versions of "write_in_full() != len" 2017-09-14 15:17:59 +09:00
environment.c
exec_cmd.c git_extract_argv0_path: do nothing without RUNTIME_PREFIX 2017-09-07 09:41:14 +09:00
exec_cmd.h
fast-import.c Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
fetch-pack.c
fetch-pack.h
fmt-merge-msg.h
fsck.c fsck: handle NULL return of lookup_blob() and lookup_tree() 2017-10-06 11:04:34 +09:00
fsck.h
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl Merge branch 'pw/unquote-path-in-git-pm' into maint 2017-07-31 13:51:05 -07:00
git-archimport.perl archimport: use safe_pipe_capture for user input 2017-09-12 11:08:15 +09:00
git-bisect.sh
git-compat-util.h Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
git-cvsexportcommit.perl
git-cvsimport.perl cvsimport: shell-quote variable used in backticks 2017-09-12 11:10:22 +09:00
git-cvsserver.perl cvsserver: use safe_pipe_capture for constant commands as well 2017-09-11 14:52:29 +09:00
git-difftool--helper.sh
git-filter-branch.sh
git-instaweb.sh
git-merge-octopus.sh scripts: use "git foo" not "git-foo" 2017-08-07 12:04:45 -07:00
git-merge-one-file.sh scripts: use "git foo" not "git-foo" 2017-08-07 12:04:45 -07:00
git-merge-resolve.sh scripts: use "git foo" not "git-foo" 2017-08-07 12:04:45 -07:00
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py git-p4: filter for {'code':'info'} in p4CmdList 2017-07-13 10:52:42 -07:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--am.sh rebase: honor --rerere-autoupdate 2017-08-02 15:16:09 -07:00
git-rebase--interactive.sh rebase -i: honor --rerere-autoupdate 2017-08-02 15:16:09 -07:00
git-rebase--merge.sh
git-rebase.sh Merge branch 'pw/rebase-i-regression-fix-tests' into maint 2017-07-10 13:59:00 -07:00
git-remote-testgit.sh
git-request-pull.sh request-pull: capitalise "Git" to make it a proper noun 2017-10-03 13:11:57 +09:00
git-send-email.perl send-email: don't use Mail::Address, even if available 2017-08-24 14:40:17 -07:00
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh Merge branch 'mf/no-dashed-subcommands' into maint 2017-09-10 17:02:56 +09:00
git-submodule.sh Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
git-svn.perl
GIT-VERSION-GEN Git 2.14.5 2018-09-27 11:19:11 -07:00
git-web--browse.sh
git.c git.c: ignore pager.* when launching builtin as dashed external 2017-08-03 11:08:11 -07:00
git.rc
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c Merge branch 'as/grep-quiet-no-match-exit-code-fix' into maint 2017-09-10 17:02:55 +09:00
grep.h
hash.h
hashmap.c
hashmap.h
help.c Merge branch 'mb/reword-autocomplete-message' into maint 2017-07-10 13:59:04 -07:00
help.h
hex.c
http-backend.c avoid "write_in_full(fd, buf, len) != len" pattern 2017-09-14 15:17:59 +09:00
http-fetch.c
http-push.c http-push: fix construction of hex value from path 2017-10-04 13:48:35 +09:00
http-walker.c
http.c Merge branch 'jc/http-sslkey-and-ssl-cert-are-paths' into maint 2017-08-23 14:33:43 -07:00
http.h
ident.c
imap-send.c Merge branch 'rs/use-div-round-up' 2017-07-12 15:18:23 -07:00
INSTALL
iterator.h
khash.h
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c ALLOC_GROW: avoid -Wsign-compare warnings 2017-09-22 13:21:11 +09:00
line-log.h ALLOC_GROW: avoid -Wsign-compare warnings 2017-09-22 13:21:11 +09:00
line-range.c
line-range.h
list-objects.c
list-objects.h
list.h
ll-merge.c avoid "write_in_full(fd, buf, len) != len" pattern 2017-09-14 15:17:59 +09:00
ll-merge.h
lockfile.c
lockfile.h
log-tree.c
log-tree.h
mailinfo.c Merge branch 'rs/mailinfo-qp-decode-fix' into maint 2017-10-18 14:19:03 +09:00
mailinfo.h
mailmap.c
mailmap.h
Makefile Merge branch 'jn/vcs-svn-cleanup' into maint 2017-09-10 17:03:09 +09:00
match-trees.c
merge-blobs.c
merge-blobs.h
merge-recursive.c
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: use ssize_t for write_in_full() return value 2017-09-14 15:17:59 +09:00
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object.c object: remove "used" field from struct object 2017-07-20 14:54:08 -07:00
object.h object: remove "used" field from struct object 2017-07-20 14:54:08 -07:00
oidset.c
oidset.h
pack-bitmap-write.c
pack-bitmap.c Merge branch 'jc/pack-bitmap-unaligned' into maint 2017-07-10 13:59:00 -07:00
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.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
path.h
pathspec.c
pathspec.h
pkt-line.c Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
pkt-line.h sub-process: refactor handshake to common function 2017-07-26 13:00:40 -07:00
preload-index.c
pretty.c pretty: respect color settings for %C placeholders 2017-07-13 12:42:51 -07:00
prio-queue.c
prio-queue.h
progress.c progress: show overall rate in last update 2017-07-09 09:54:20 -07:00
progress.h
prompt.c
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
README.md
ref-filter.c ref-filter.c: pass empty-string as NULL to atom parsers 2017-10-05 10:41:57 +09:00
ref-filter.h ref-filter: consult want_color() before emitting colors 2017-07-13 12:42:51 -07:00
reflog-walk.c use MOVE_ARRAY 2017-07-17 14:54:56 -07:00
reflog-walk.h reflog-walk: apply --since/--until to reflog dates 2017-07-09 10:00:48 -07:00
refs.c Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
refs.h refs: strip out not allowed flags from ref_transaction_update 2017-09-14 14:46:05 +09:00
RelNotes Git 2.14.5 2018-09-27 11:19:11 -07:00
remote-curl.c
remote-testsvn.c
remote.c
remote.h
replace_object.c
repository.c
repository.h
rerere.c avoid "write_in_full(fd, buf, len) != len" pattern 2017-09-14 15:17:59 +09:00
rerere.h
resolve-undo.c
resolve-undo.h
revision.c ALLOC_GROW: avoid -Wsign-compare warnings 2017-09-22 13:21:11 +09:00
revision.h revision: add rev_input_given flag 2017-08-02 15:45:20 -07:00
run-command.c run-command: mark path lookup errors with ENOENT 2018-10-25 11:06:51 +09:00
run-command.h
send-pack.c
send-pack.h
sequencer.c cherry-pick/revert: remember --rerere-autoupdate 2017-08-02 15:16:09 -07:00
sequencer.h
server-info.c
setup.c Merge branch 'js/alias-early-config' into maint 2017-07-10 13:58:58 -07:00
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-lookup.c sha1_file: drop experimental GIT_USE_LOOKUP search 2017-08-09 11:03:35 -07:00
sha1-lookup.h sha1-lookup: remove sha1_entry_pos() from header file 2017-08-25 09:54:26 -07:00
sha1_file.c Merge branch 'jk/info-alternates-fix' into maint 2017-10-23 14:40:00 +09:00
sha1_name.c Merge branch 'rs/use-div-round-up' 2017-07-12 15:18:23 -07:00
sha1dc_git.c
sha1dc_git.h
shallow.c avoid "write_in_full(fd, buf, len) != len" pattern 2017-09-14 15:17:59 +09:00
shell.c shell: drop git-cvsserver support by default 2017-09-12 11:05:58 +09:00
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
split-index.c
split-index.h
strbuf.c Merge branch 'rs/strbuf-getwholeline-fix' into maint 2017-10-18 14:18:58 +09:00
strbuf.h Merge branch 'ma/ts-cleanups' into maint 2017-10-23 14:19:02 +09:00
streaming.c convert less-trivial versions of "write_in_full() != len" 2017-09-14 15:17:59 +09:00
streaming.h
string-list.c use MOVE_ARRAY 2017-07-17 14:54:56 -07:00
string-list.h for_each_string_list_item: avoid undefined behavior for empty list 2017-09-20 14:41:08 +09:00
sub-process.c Merge branch 'cc/subprocess-handshake-missing-capabilities' into maint 2017-10-18 14:19:10 +09:00
sub-process.h sub-process: refactor handshake to common function 2017-07-26 13:00:40 -07:00
submodule-config.c submodule-config: ban submodule paths that start with a dash 2018-09-27 09:34:59 -07:00
submodule-config.h Sync with Git 2.13.7 2018-05-22 14:10:49 +09:00
submodule.c Merge branch 'bw/push-options-recursively-to-submodules' into maint 2017-09-10 17:02:49 +09:00
submodule.h submodule.h: typofix 2017-09-22 10:59:52 +09:00
symlinks.c
tag.c tag: avoid NULL pointer arithmetic 2017-10-02 13:14:33 +09:00
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 Merge branch 'jk/write-in-full-fix' into maint 2017-10-23 14:37:22 +09:00
transport.c
transport.h
tree-diff.c
tree-walk.c ALLOC_GROW: avoid -Wsign-compare warnings 2017-09-22 13:21:11 +09:00
tree-walk.h
tree.c
tree.h
unicode_width.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Merge branch 'ls/filter-process-delayed' into jt/subprocess-handshake 2017-07-26 12:56:19 -07:00
unpack-trees.h
upload-pack.c
url.c
url.h
urlmatch.c urlmatch: use hex2chr() in append_normalized_escapes() 2017-07-09 09:43:01 -07:00
urlmatch.h
usage.c
userdiff.c Merge branch 'ik/userdiff-html-h-element-fix' into maint 2017-10-18 14:19:02 +09:00
userdiff.h
utf8.c is_hfs_dotgit: match other .git files 2018-05-21 23:50:11 -04:00
utf8.h is_hfs_dotgit: match other .git files 2018-05-21 23:50:11 -04:00
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c
walker.h
wildmatch.c
wildmatch.h
worktree.c Merge branch 'nd/worktree-kill-parse-ref' into maint 2017-10-23 14:14:16 +09:00
worktree.h
wrap-for-bin.sh
wrapper.c avoid "write_in_full(fd, buf, len) != len" pattern 2017-09-14 15:17:59 +09:00
write_or_die.c
ws.c
wt-status.c Merge branch 'rs/wt-status-cleanup' 2017-07-12 15:18:23 -07:00
wt-status.h
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.

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