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Patrick Steinhardt ce992ce29a builtin/blame: don't access potentially unitialized the_hash_algo 
We access `the_hash_algo` in git-blame(1) before we have executed
`parse_options_start()`, which may not be properly set up in case we
have no repository. This is fine for most of the part because all the
call paths that lead to it (git-blame(1), git-annotate(1) as well as
git-pick-axe(1)) specify `RUN_SETUP` and thus require a repository.

There is one exception though, namely when passing `-h` to print the
help. Here we will access `the_hash_algo` even if there is no repo.
This works fine right now because `the_hash_algo` gets sets up to point
to the SHA1 algorithm via `initialize_repository()`. But we're about to
stop doing this, and thus the code would lead to a `NULL` pointer
exception.

Prepare the code for this and only access `the_hash_algo` after we are
sure that there is a proper repository.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-05-06 22:50:49 -07:00
.github
block-sha1
builtin builtin/blame: don't access potentially unitialized the_hash_algo 2024-05-06 22:50:49 -07:00
ci fuzz: link fuzz programs with make all on Linux 2024-04-24 11:56:40 -07:00
compat
contrib
Documentation Start the 2.46 cycle 2024-04-30 14:52:20 -07:00
ewah
git-gui
gitk-git
gitweb
mergetools
negotiator
oss-fuzz
perl
po Merge branch 'master' of github.com:alshopov/git-po 2024-04-29 14:50:23 +08:00
refs
reftable
sha1
sha1collisiondetection@855827c583
sha1dc
sha256
t builtin/rev-parse: allow shortening to more than 40 hex characters 2024-05-06 22:50:49 -07:00
templates
trace2
xdiff
.cirrus.yml
.clang-format
.editorconfig
.gitattributes
.gitignore
.gitlab-ci.yml
.gitmodules
.mailmap
.tsan-suppressions
abspath.c
abspath.h
aclocal.m4
add-interactive.c
add-interactive.h
add-patch.c
advice.c
advice.h
alias.c
alias.h
alloc.c
alloc.h
apply.c Merge branch 'rj/add-i-leak-fix' 2024-04-25 10:34:24 -07:00
apply.h
archive-tar.c
archive-zip.c
archive.c
archive.h
attr.c attr: fix BUG() when parsing attrs outside of repo 2024-05-06 22:50:49 -07:00
attr.h
banned.h
base85.c
base85.h
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-uri.c
bundle-uri.h
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cbtree.c
cbtree.h
chdir-notify.c
chdir-notify.h
check-builtins.sh
checkout.c
checkout.h
chunk-format.c
chunk-format.h
CODE_OF_CONDUCT.md
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
commit.h
common-main.c
config.c
config.h
config.mak.dev
config.mak.in
config.mak.uname Merge branch 'js/build-fuzz-more-often' 2024-04-30 14:49:44 -07:00
configure.ac
connect.c
connect.h
connected.c
connected.h
convert.c
convert.h
copy.c
copy.h
COPYING
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
date.h
decorate.c
decorate.h
delta-islands.c
delta-islands.h
delta.h
detect-compiler
diagnose.c
diagnose.h
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
editor.h
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--daemon.h
fsmonitor-ipc.c
fsmonitor-ipc.h
fsmonitor-ll.h
fsmonitor-path-utils.h
fsmonitor-settings.c
fsmonitor-settings.h
fsmonitor.c
fsmonitor.h
generate-cmdlist.sh
generate-configlist.sh
generate-hooklist.sh
gettext.c
gettext.h
git-archimport.perl
git-compat-util.h
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
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-VERSION-GEN Start the 2.46 cycle 2024-04-30 14:52:20 -07:00
git-web--browse.sh
git-zlib.c
git-zlib.h
git.c
git.rc
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c
grep.h
hash-ll.h
hash-lookup.c
hash-lookup.h
hash.h
hashmap.c
hashmap.h
help.c
help.h
hex-ll.c
hex-ll.h
hex.c
hex.h
hook.c
hook.h
http-backend.c
http-fetch.c
http-push.c
http-walker.c
http.c
http.h
ident.c
ident.h
imap-send.c
INSTALL
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
list-objects-filter-options.h
list-objects-filter.c
list-objects-filter.h
list-objects.c
list-objects.h
list.h
lockfile.c
lockfile.h
log-tree.c
log-tree.h
loose.c
loose.h
ls-refs.c
ls-refs.h
mailinfo.c
mailinfo.h
mailmap.c
mailmap.h
Makefile Merge branch 'js/build-fuzz-more-often' 2024-04-30 14:49:44 -07:00
match-trees.c
match-trees.h
mem-pool.c
mem-pool.h
merge-blobs.c
merge-blobs.h
merge-ll.c
merge-ll.h
merge-ort-wrappers.c
merge-ort-wrappers.h
merge-ort.c
merge-ort.h
merge-recursive.c
merge-recursive.h
merge.c
merge.h
mergesort.h
midx-write.c
midx.c
midx.h
name-hash.c
name-hash.h
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object-file-convert.c
object-file-convert.h
object-file.c
object-file.h
object-name.c
object-name.h
object-store-ll.h
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-mtimes.c
pack-mtimes.h
pack-objects.c
pack-objects.h
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
packfile.c
packfile.h
pager.c
pager.h
parallel-checkout.c
parallel-checkout.h
parse-options-cb.c parse-options-cb: only abbreviate hashes when hash algo is known 2024-05-06 22:50:48 -07:00
parse-options.c
parse-options.h
parse.c
parse.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c path: move validate_headref() to its only user 2024-05-06 22:50:48 -07:00
path.h path: move validate_headref() to its only user 2024-05-06 22:50:48 -07:00
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
preload-index.h
pretty.c
pretty.h
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-ll.h
read-cache.c
read-cache.h
README.md
rebase-interactive.c
rebase-interactive.h
rebase.c
rebase.h
ref-filter.c
ref-filter.h
reflog-walk.c
reflog-walk.h
reflog.c
reflog.h
refs.c
refs.h
refspec.c
refspec.h
RelNotes Start the 2.46 cycle 2024-04-30 14:52:20 -07:00
remote-curl.c remote-curl: fix parsing of detached SHA256 heads 2024-05-06 22:50:49 -07:00
remote.c
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
run-command.h
sane-ctype.h
scalar.c
SECURITY.md
send-pack.c
send-pack.h
sequencer.c Merge branch 'pw/rebase-m-signoff-fix' 2024-04-30 14:49:41 -07:00
sequencer.h Merge branch 'pw/rebase-m-signoff-fix' 2024-04-30 14:49:41 -07:00
serve.c
serve.h
server-info.c
server-info.h
setup.c path: move validate_headref() to its only user 2024-05-06 22:50:48 -07:00
setup.h
sh-i18n--envsubst.c
sha1dc_git.c
sha1dc_git.h
shallow.c
shallow.h
shared.mak
shell.c
shortlog.h
sideband.c
sideband.h
sigchain.c
sigchain.h
simple-ipc.h
sparse-index.c
sparse-index.h
split-index.c
split-index.h
stable-qsort.c
statinfo.c
statinfo.h
strbuf.c
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
symlinks.h
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
versioncmp.h
walker.c
walker.h
wildmatch.c
wildmatch.h
worktree.c
worktree.h
wrap-for-bin.sh
wrapper.c
wrapper.h
write-or-die.c
write-or-die.h
ws.c
ws.h
wt-status.c
wt-status.h
xdiff-interface.c
xdiff-interface.h

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-<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).

Those wishing to help with error message, usage and informational message string translations (localization l10) should see po/README.md (a po file is a Portable Object file that holds the translations).

To subscribe to the list, send an email to git+subscribe@vger.kernel.org (see https://subspace.kernel.org/subscribing.html for details). The mailing list archives are available at https://lore.kernel.org/git/, https://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