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Git with broken hash generation to generate collisions between object IDs. Don't use this! https://undefinedbehavior.de/posts/commit-vandalism/
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Ævar Arnfjörð Bjarmason 7b8ce9c673 commit-graph verify: detect inability to read the graph 
Change "commit-graph verify" to error on open() failures other than
ENOENT. As noted in the third paragraph of 283e68c72f ("commit-graph:
add 'verify' subcommand", 2018-06-27) and the test it added it's
intentional that "commit-graph verify" doesn't error out when the file
doesn't exist.

But let's not be overly promiscuous in what we accept. If we can't
read the file for other reasons, e.g. permission errors, bad file
descriptor etc. we'd like to report an error to the user.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-04-01 12:14:50 +09:00
.github
block-sha1
builtin commit-graph verify: detect inability to read the graph 2019-04-01 12:14:50 +09:00
ci ci: clear and mark MAKEFLAGS exported just once 2019-02-07 11:36:28 -08:00
compat mingw: safe-guard a bit more against getenv() problems 2019-02-15 10:25:28 -08:00
contrib Merge branch 'sg/strbuf-addbuf-cocci' 2019-02-05 14:26:18 -08:00
Documentation Merge branch 'ea/rebase-compat-doc-fix' 2019-02-14 14:28:22 -08:00
ewah
git-gui
gitk-git
gitweb
mergetools
negotiator
perl
po
ppc
refs
sha1collisiondetection@232357eb2e
sha1dc
sha256
t commit-graph verify: detect inability to read the graph 2019-04-01 12:14:50 +09:00
templates
vcs-svn
xdiff
.clang-format
.editorconfig
.gitattributes
.gitignore Merge branch 'sg/travis-specific-cc' 2019-02-06 22:05:25 -08:00
.gitmodules
.mailmap .mailmap: map Clemens Buchacher's mail addresses 2019-02-08 11:14:15 -08:00
.travis.yml
.tsan-suppressions
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alias.h
alloc.c object_as_type: initialize commit-graph-related fields of 'struct commit' 2019-01-27 16:55:57 -08:00
alloc.h object_as_type: initialize commit-graph-related fields of 'struct commit' 2019-01-27 16:55:57 -08:00
apply.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
apply.h
archive-tar.c
archive-zip.c
archive.c
archive.h
argv-array.c
argv-array.h
attr.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
attr.h
azure-pipelines.yml ci: parallelize testing on Windows 2019-01-29 09:26:47 -08:00
banned.h
base85.c
bisect.c Merge branch 'ds/push-sparse-tree-walk' 2019-02-06 22:05:25 -08:00
bisect.h
blame.c read-cache.c: kill read_index() 2019-01-14 12:13:04 -08:00
blame.h
blob.c
blob.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c create_bundle(): drop unused "header" parameter 2019-01-24 12:35:44 -08:00
bundle.h create_bundle(): drop unused "header" parameter 2019-01-24 12:35:44 -08:00
cache-tree.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
cache-tree.h cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch 2019-01-24 11:55:06 -08:00
cache.h Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
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: drop unused "opts" parameter in item_length() 2019-01-24 12:35:44 -08:00
column.h
combine-diff.c Merge branch 'jk/diff-cc-stat-fixes' 2019-02-05 14:26:17 -08:00
command-list.txt
commit-graph.c commit-graph: don't pass filename to load_commit_graph_one_fd_st() 2019-04-01 12:14:50 +09:00
commit-graph.h commit-graph: don't pass filename to load_commit_graph_one_fd_st() 2019-04-01 12:14:50 +09:00
commit-reach.c Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
commit-reach.h Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
commit-slab-decl.h
commit-slab-impl.h
commit-slab.h
commit.c Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
commit.h Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
common-main.c
config.c config: drop unused parameter from maybe_remove_section() 2019-01-24 12:35:44 -08:00
config.h
config.mak.dev Merge branch 'jk/dev-build-format-security' 2019-01-18 13:49:55 -08:00
config.mak.in
config.mak.uname Merge branch 'rs/bash-is-in-coreutils-on-nonstop' 2019-02-13 18:18:43 -08:00
configure.ac
connect.c
connect.h
connected.c
connected.h
convert.c Merge branch 'jk/unused-parameter-cleanup' 2019-02-06 22:05:23 -08:00
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 Merge branch 'lt/date-human' 2019-02-06 22:05:24 -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 'jk/diff-cc-stat-fixes' 2019-02-05 14:26:17 -08:00
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 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
dir.h
editor.c
entry.c
environment.c Merge branch 'jk/save-getenv-result' 2019-01-29 12:47:54 -08:00
exec-cmd.c
exec-cmd.h
fast-import.c Merge branch 'en/fast-export-import' 2019-01-04 13:33:33 -08:00
fetch-negotiator.c
fetch-negotiator.h
fetch-object.c
fetch-object.h
fetch-pack.c Merge branch 'bc/fetch-pack-clear-alternate-shallow' 2019-02-06 22:05:30 -08:00
fetch-pack.h
fmt-merge-msg.h
fsck.c
fsck.h
fsmonitor.c
fsmonitor.h
fuzz-commit-graph.c fuzz-commit-graph: initialize repo object 2019-02-07 13:02:26 -08:00
fuzz-pack-headers.c
fuzz-pack-idx.c
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'nd/fileno-may-be-macro' 2019-02-13 18:18:41 -08:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-filter-branch.sh
git-instaweb.sh git-instaweb: add Python builtin http.server support 2019-01-28 10:57:44 -08:00
git-legacy-rebase.sh Merge branch 'js/rebase-i-redo-exec-fix' 2019-02-08 20:44:52 -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 'ld/git-p4-shelve-update-fix' 2019-02-05 14:26:10 -08:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--common.sh Merge branch 'en/rebase-merge-on-sequencer' 2019-02-06 22:05:20 -08:00
git-rebase--preserve-merges.sh
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 Merge branch 'sh/submodule-summary-abbrev-fix' 2019-02-06 22:05:27 -08:00
git-svn.perl
GIT-VERSION-GEN Git 2.21-rc2 2019-02-19 13:20:23 -08:00
git-web--browse.sh
git.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
git.rc
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c
grep.h
hash.h
hashmap.c
hashmap.h
help.c help: align the longest command in the command listing 2019-01-31 15:27:35 -08:00
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
http-walker.c
http.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
http.h Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
ident.c
imap-send.c Merge branch 'nd/imap-send-typofix' 2019-02-12 09:00:25 -08:00
INSTALL
interdiff.c
interdiff.h
iterator.h
json-writer.c
json-writer.h
khash.h
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 Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
list-objects-filter-options.h
list-objects-filter.c
list-objects-filter.h
list-objects.c Merge branch 'ds/push-sparse-tree-walk' 2019-02-06 22:05:25 -08:00
list-objects.h
list.h
ll-merge.c
ll-merge.h
lockfile.c
lockfile.h
log-tree.c
log-tree.h
ls-refs.c Merge branch 'jt/namespaced-ls-refs-fix' 2019-02-05 14:26:15 -08:00
ls-refs.h
mailinfo.c
mailinfo.h
mailmap.c
mailmap.h
Makefile tests: teach the test-tool to generate NUL bytes and use it 2019-02-19 10:22:21 -08:00
match-trees.c Merge branch 'jk/unused-parameter-cleanup' 2019-02-06 22:05:23 -08:00
mem-pool.c
mem-pool.h
merge-blobs.c
merge-blobs.h
merge-recursive.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
merge-recursive.h
merge.c
mergesort.c
mergesort.h
midx.c
midx.h
name-hash.c cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch 2019-01-24 11:55:06 -08:00
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object-store.h Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
object.c object: fix leak of shallow_stat 2019-02-07 13:02:28 -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 'ph/pack-objects-mutex-fix' 2019-02-05 14:26:16 -08:00
pack-objects.h Merge branch 'ph/pack-objects-mutex-fix' 2019-02-05 14:26:16 -08:00
pack-revindex.c various: tighten constness of some local variables 2019-02-04 09:57:10 -08:00
pack-revindex.h
pack-write.c
pack.h
packfile.c Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
packfile.h Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
pager.c
parse-options-cb.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c
path.h
pathspec.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
pretty.h Merge branch 'sb/more-repo-in-api' 2019-02-05 14:26:09 -08:00
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 Merge branch 'jk/add-ignore-errors-bit-assignment-fix' 2019-02-06 22:05:31 -08:00
README.md README: add a build badge (status of the Azure Pipelines build) 2019-01-29 09:26:47 -08:00
rebase-interactive.c
rebase-interactive.h
ref-filter.c Merge branch 'ot/ref-filter-object-info' 2019-01-18 13:49:56 -08:00
ref-filter.h
reflog-walk.c
reflog-walk.h
refs.c
refs.h
refspec.c
refspec.h
RelNotes
remote-curl.c remote-curl: tighten "version 2" check for smart-http 2019-02-06 12:20:22 -08:00
remote-testsvn.c
remote.c Merge branch 'jk/remote-insteadof-cleanup' 2019-01-29 12:47:55 -08:00
remote.h
replace-object.c
replace-object.h
repository.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
repository.h Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'ds/push-sparse-tree-walk' 2019-02-06 22:05:25 -08:00
revision.h Merge branch 'ds/push-sparse-tree-walk' 2019-02-06 22:05:25 -08:00
run-command.c
run-command.h
send-pack.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
send-pack.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
sequencer.c Merge branch 'rj/sequencer-sign-off-header-static' 2019-02-13 18:18:41 -08:00
sequencer.h Merge branch 'rj/sequencer-sign-off-header-static' 2019-02-13 18:18:41 -08:00
serve.c
serve.h
server-info.c
setup.c Merge branch 'js/abspath-part-inside-repo' 2019-02-05 14:26:15 -08:00
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-file.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
sha1-lookup.c
sha1-lookup.h
sha1-name.c get_oid_with_context(): match prototype and implementation 2019-02-12 10:14:56 -08:00
sha1dc_git.c
sha1dc_git.h
shallow.c
shell.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
shortlog.h
sideband.c Merge branch 'jt/fetch-v2-sideband' 2019-02-05 14:26:11 -08:00
sideband.h
sigchain.c
sigchain.h
split-index.c
split-index.h
strbuf.c
strbuf.h
streaming.c Merge branch 'jk/loose-object-cache-oid' 2019-02-06 22:05:27 -08:00
streaming.h
string-list.c
string-list.h
sub-process.c
sub-process.h
submodule-config.c
submodule-config.h
submodule.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -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.h
trace.c
trace.h
trailer.c
trailer.h
transport-helper.c Merge branch 'js/filter-options-should-use-plain-int' 2019-02-05 14:26:10 -08:00
transport-internal.h
transport.c
transport.h
tree-diff.c Merge branch 'bc/tree-walk-oid' 2019-01-29 12:47:56 -08:00
tree-walk.c Merge branch 'dt/cat-file-batch-ambiguous' 2019-02-06 22:05:21 -08:00
tree-walk.h Merge branch 'dt/cat-file-batch-ambiguous' 2019-02-06 22:05:21 -08:00
tree.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
tree.h
unicode-width.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Merge branch 'nd/the-index-final' 2019-02-06 22:05:23 -08:00
unpack-trees.h
upload-pack.c Merge branch 'jt/fetch-v2-sideband' 2019-02-05 14:26:11 -08:00
upload-pack.h
url.c
url.h
urlmatch.c
urlmatch.h
usage.c
userdiff.c
userdiff.h
utf8.c utf8: handle systems that don't write BOM for UTF-16 2019-02-11 18:20:07 -08:00
utf8.h Support working-tree-encoding "UTF-16LE-BOM" 2019-01-31 10:27:52 -08:00
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

Build Status

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