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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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Eric Wong 973d5eea74 introduce container_of macro 
This macro is popular within the Linux kernel for supporting
intrusive data structures such as linked lists, red-black trees,
and chained hash tables while allowing the compiler to do
type checking.

Later patches will use container_of() to remove the limitation
of "hashmap_entry" being location-dependent. This will complete
the transition to compile-time type checking for the hashmap API.

This macro already exists in our source as "list_entry" in
list.h and making "list_entry" an alias to "container_of"
as the Linux kernel has done is a possibility.

Signed-off-by: Eric Wong <e@80x24.org>
Reviewed-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-07 10:20:10 +09:00
.github
block-sha1
builtin hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
ci Merge branch 'sg/travis-gcc-4.8' 2019-07-29 12:39:13 -07:00
compat Merge branch 'rs/nedalloc-fixlets' 2019-08-22 12:34:11 -07:00
contrib coccicheck: detect hashmap_entry.hash assignment 2019-10-07 10:20:09 +09:00
Documentation First batch after Git 2.23 2019-08-22 12:41:04 -07:00
ewah
git-gui
gitk-git
gitweb
mergetools
negotiator
perl
po l10n: zh_CN: for git v2.23.0 l10n round 1~2 2019-08-16 16:59:17 +08:00
ppc
refs Merge branch 'sc/pack-refs-deletion-racefix' 2019-08-22 12:34:10 -07:00
sha1collisiondetection@855827c583
sha1dc
sha256
t hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
templates
trace2
vcs-svn
xdiff Merge branch 'cb/xdiff-no-system-includes-in-dot-c' into maint 2019-08-09 15:18:19 -07:00
.clang-format
.editorconfig
.gitattributes Mark .bat files as requiring CR/LF endings 2019-06-20 14:03:05 -07:00
.gitignore Merge branch 'js/visual-studio' 2019-08-02 13:12:02 -07:00
.gitmodules
.mailmap .mailmap: update email address of Philip Oakley 2019-08-11 15:07:51 -07:00
.travis.yml travis-ci: build with GCC 4.8 as well 2019-07-19 14:06:01 -07:00
.tsan-suppressions
abspath.c
aclocal.m4
advice.c Merge branch 'ra/cherry-pick-revert-skip' 2019-07-19 11:30:21 -07:00
advice.h Merge branch 'ra/cherry-pick-revert-skip' 2019-07-19 11:30:21 -07:00
alias.c
alias.h
alloc.c
alloc.h
apply.c apply: make parse_git_diff_header public 2019-07-11 14:29:27 -07:00
apply.h apply: make parse_git_diff_header public 2019-07-11 14:29:27 -07:00
archive-tar.c
archive-zip.c
archive.c tree-walk.c: remove the_repo from get_tree_entry() 2019-06-27 12:45:17 -07:00
archive.h
argv-array.c
argv-array.h
attr.c hashmap_get takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
attr.h
azure-pipelines.yml
banned.h
base85.c
bisect.c
bisect.h
blame.c hashmap_remove takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
blame.h Merge branch 'br/blame-ignore' 2019-07-19 11:30:20 -07:00
blob.c object: convert create_object() to use object_id 2019-06-20 10:20:51 -07:00
blob.h
branch.c Merge branch 'nd/switch-and-restore' 2019-07-09 15:25:44 -07:00
branch.h Merge branch 'nd/switch-and-restore' 2019-07-09 15:25:44 -07:00
builtin.h Merge branch 'ab/test-env' 2019-07-25 13:59:20 -07:00
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
cache-tree.c Merge branch 'jk/tree-walk-overflow' 2019-08-22 12:34:10 -07:00
cache-tree.h
cache.h Merge branch 'sg/rebase-progress' into maint 2019-07-29 12:38:19 -07:00
chdir-notify.c
chdir-notify.h
check_bindir
check-builtins.sh
checkout.c
checkout.h
color.c
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit-graph.c Merge branch 'sg/commit-graph-validate' 2019-08-22 12:34:11 -07:00
commit-graph.h commit-graph: error out on invalid commit oids in 'write --stdin-commits' 2019-08-05 14:33:39 -07:00
commit-reach.c
commit-reach.h
commit-slab-decl.h
commit-slab-impl.h
commit-slab.h
commit.c Merge branch 'jk/oidhash' 2019-07-09 15:25:43 -07:00
commit.h
common-main.c
config.c hashmap_get takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
config.h
config.mak.dev
config.mak.in
config.mak.uname vcxproj: also link-or-copy builtins 2019-07-29 14:51:43 -07:00
configure.ac
connect.c
connect.h
connected.c check_everything_connected: assume alternate ref tips are valid 2019-07-01 10:11:09 -07:00
connected.h
convert.c
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
decorate.c hashmap: convert sha1hash() to oidhash() 2019-06-20 10:44:22 -07:00
decorate.h
delta-islands.c Merge branch 'jk/oidhash' 2019-07-09 15:25:43 -07:00
delta-islands.h delta-islands: respect progress flag 2019-06-20 13:29:49 -07:00
delta.h
detect-compiler
diff-delta.c
diff-lib.c
diff-no-index.c
diff.c hashmap_get takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
diff.h range-diff: suppress line count in outer diff 2019-07-11 14:29:27 -07:00
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c hashmap_add takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
diffcore.h
dir-iterator.c dir-iterator: add flags parameter to dir_iterator_begin 2019-07-11 13:52:15 -07:00
dir-iterator.h dir-iterator: add flags parameter to dir_iterator_begin 2019-07-11 13:52:15 -07:00
dir.c
dir.h
editor.c pager: add a helper function to clear the last line in the terminal 2019-06-24 13:38:46 -07:00
entry.c
environment.c
exec-cmd.c
exec-cmd.h
fast-import.c Merge branch 'nd/tree-walk-with-repo' 2019-07-19 11:30:21 -07:00
fetch-negotiator.c
fetch-negotiator.h
fetch-object.c
fetch-object.h
fetch-pack.c Merge branch 'nd/fetch-capability-tweak' 2019-07-09 15:25:43 -07:00
fetch-pack.h
fmt-merge-msg.h
fsck.c Merge branch 'br/blame-ignore' 2019-07-19 11:30:20 -07:00
fsck.h
fsmonitor.c Merge branch 'cb/fsmonitor-intfix' into maint 2019-07-29 12:38:15 -07:00
fsmonitor.h
fuzz-commit-graph.c
fuzz-pack-headers.c
fuzz-pack-idx.c
generate-cmdlist.sh
gettext.c Merge branch 'ab/test-env' 2019-07-25 13:59:20 -07:00
gettext.h
git-add--interactive.perl Merge branch 'pw/add-p-recount' into maint 2019-07-29 12:38:22 -07:00
git-archimport.perl
git-bisect.sh
git-compat-util.h introduce container_of macro 2019-10-07 10:20:10 +09:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-filter-branch.sh Merge branch 'mb/filter-branch-optim' 2018-07-18 12:20:32 -07:00
git-instaweb.sh
git-legacy-stash.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh Merge branch 'dl/difftool-mergetool' 2019-05-19 16:45:30 +09:00
git-mergetool.sh
git-p4.py Merge branch 'sw/git-p4-unshelve-branched-files' into maint 2019-07-25 14:27:15 -07:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--preserve-merges.sh
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh tests: make GIT_TEST_GETTEXT_POISON a boolean 2019-06-21 09:42:49 -07:00
git-sh-setup.sh
git-submodule.sh
git-svn.perl
GIT-VERSION-GEN First batch after Git 2.23 2019-08-22 12:41:04 -07:00
git-web--browse.sh
git.c Merge branch 'js/visual-studio' 2019-08-02 13:12:02 -07:00
git.rc mingw: embed a manifest to trick UAC into Doing The Right Thing 2019-06-27 12:55:45 -07:00
gpg-interface.c gpg-interface: do not scan past the end of buffer 2019-07-16 12:15:12 -07:00
gpg-interface.h
graph.c
graph.h
grep.c Merge branch 'bb/grep-pcre2-bug-message-fix' 2019-07-29 12:39:13 -07:00
grep.h
hash.h hash.h: move object_id definition from cache.h 2019-06-20 10:40:42 -07:00
hashmap.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
hashmap.h hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
help.c Merge branch 'jk/help-unknown-ref-fix' 2019-06-13 13:19:42 -07:00
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c object: convert lookup_object() to use object_id 2019-06-20 10:18:09 -07:00
http-walker.c
http.c
http.h
ident.c
imap-send.c
INSTALL
interdiff.c
interdiff.h
iterator.h
json-writer.c
json-writer.h
khash.h hashmap: convert sha1hash() to oidhash() 2019-06-20 10:44:22 -07:00
kwset.c Merge branch 'rs/copy-array' into maint 2019-07-29 12:38:15 -07:00
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c tree-walk.c: remove the_repo from get_tree_entry() 2019-06-27 12:45:17 -07:00
line-log.h
line-range.c
line-range.h
linear-assignment.c
linear-assignment.h
list-objects-filter-options.c Merge branch 'md/list-objects-filter-parse-msgfix' 2019-06-21 11:24:10 -07:00
list-objects-filter-options.h
list-objects-filter.c Merge branch 'md/list-objects-filter-memfix' into maint 2019-07-25 14:27:12 -07:00
list-objects-filter.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
ls-refs.c
ls-refs.h
mailinfo.c
mailinfo.h
mailmap.c
mailmap.h
Makefile Merge branch 'js/visual-studio' 2019-08-02 13:12:02 -07:00
match-trees.c match-trees.c: remove the_repo from shift_tree*() 2019-06-27 12:45:17 -07:00
mem-pool.c
mem-pool.h
merge-blobs.c
merge-blobs.h
merge-recursive.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
merge-recursive.h
merge.c
mergesort.c
mergesort.h
midx.c
midx.h
name-hash.c hashmap_remove takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c
notes-utils.h
notes.c tree-walk.c: remove the_repo from get_tree_entry() 2019-06-27 12:45:17 -07:00
notes.h
object-store.h Merge branch 'ds/object-info-for-prefetch-fix' into maint 2019-07-25 14:27:08 -07:00
object.c Merge branch 'jk/oidhash' 2019-07-09 15:25:43 -07:00
object.h object: convert create_object() to use object_id 2019-06-20 10:20:51 -07:00
oidmap.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
oidmap.h
oidset.c Merge branch 'br/blame-ignore' 2019-07-19 11:30:20 -07:00
oidset.h Merge branch 'br/blame-ignore' 2019-07-19 11:30:20 -07:00
pack-bitmap-write.c pack-bitmap: convert khash_sha1 maps into kh_oid_map 2019-06-20 10:35:05 -07:00
pack-bitmap.c pack-bitmap: convert khash_sha1 maps into kh_oid_map 2019-06-20 10:35:05 -07:00
pack-bitmap.h pack-bitmap: convert khash_sha1 maps into kh_oid_map 2019-06-20 10:35:05 -07:00
pack-check.c
pack-objects.c hashmap: convert sha1hash() to oidhash() 2019-06-20 10:44:22 -07:00
pack-objects.h pack-objects: convert packlist_find() to use object_id 2019-06-20 09:54:58 -07:00
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
packfile.c hashmap_remove takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
packfile.h Merge branch 'ds/close-object-store' into maint 2019-07-29 12:38:22 -07:00
pager.c pager: add a helper function to clear the last line in the terminal 2019-06-24 13:38:46 -07:00
parse-options-cb.c Merge branch 'nd/switch-and-restore' 2019-07-09 15:25:44 -07:00
parse-options.c
parse-options.h Merge branch 'nd/switch-and-restore' 2019-07-09 15:25:44 -07:00
patch-delta.c
patch-ids.c hashmap_get takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
patch-ids.h
path.c
path.h
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c use COPY_ARRAY for copying arrays 2019-06-17 18:15:04 -07:00
pretty.h
prio-queue.c
prio-queue.h
progress.c Merge branch 'dr/progress-i18n' 2019-07-11 15:16:49 -07:00
progress.h
prompt.c
prompt.h
protocol.c
protocol.h
quote.c
quote.h
range-diff.c hashmap_remove takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
range-diff.h
reachable.c object: convert lookup_object() to use object_id 2019-06-20 10:18:09 -07:00
reachable.h
read-cache.c Merge branch 'rs/avoid-overflow-in-midpoint-computation' into maint 2019-07-29 12:38:21 -07:00
README.md README: fix rendering of text in angle brackets 2019-07-18 14:47:46 -07:00
rebase-interactive.c
rebase-interactive.h
ref-filter.c hashmap_add takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
ref-filter.h
reflog-walk.c
reflog-walk.h
refs.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
refs.h Merge branch 'nd/worktree-name-sanitization' 2019-06-13 13:19:40 -07:00
refspec.c
refspec.h
RelNotes First batch after Git 2.23 2019-08-22 12:41:04 -07:00
remote-curl.c
remote-testsvn.c
remote.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
remote.h
replace-object.c
replace-object.h
repository.c
repository.h
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
revision.h
run-command.c
run-command.h
send-pack.c
send-pack.h
sequencer.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
sequencer.h Merge branch 'ra/cherry-pick-revert-skip' 2019-07-19 11:30:21 -07:00
serve.c
serve.h
server-info.c Merge branch 'ew/server-info-remove-crufts' 2019-06-17 10:15:15 -07:00
setup.c
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-file.c sha1-file: release strbuf after use 2019-08-07 12:28:57 -07:00
sha1-lookup.c
sha1-lookup.h
sha1-name.c Merge branch 'nd/tree-walk-with-repo' 2019-07-19 11:30:21 -07:00
sha1dc_git.c
sha1dc_git.h
shallow.c Use the right 'struct repository' instead of the_repository 2019-06-27 12:45:17 -07:00
shell.c
shortlog.h
sideband.c
sideband.h
sigchain.c
sigchain.h
split-index.c
split-index.h
strbuf.c l10n: localizable upload progress messages 2019-07-02 12:18:49 -07:00
strbuf.h l10n: localizable upload progress messages 2019-07-02 12:18:49 -07:00
streaming.c
streaming.h
string-list.c
string-list.h
sub-process.c hashmap_remove takes "const struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
sub-process.h
submodule-config.c hashmap_put takes "struct hashmap_entry *" 2019-10-07 10:20:10 +09:00
submodule-config.h
submodule.c
submodule.h
symlinks.c
tag.c object: convert create_object() to use object_id 2019-06-20 10:20:51 -07:00
tag.h
tar.h
tempfile.c
tempfile.h
thread-utils.c
thread-utils.h
tmp-objdir.c
tmp-objdir.h
trace2.c
trace2.h
trace.c
trace.h
trailer.c
trailer.h
transport-helper.c Merge branch 'es/local-atomic-push-failure-with-http' 2019-07-25 13:59:22 -07:00
transport-internal.h transport: list refs before fetch if necessary 2018-10-07 09:53:19 +09:00
transport.c Merge branch 'es/local-atomic-push-failure-with-http' 2019-07-25 13:59:22 -07:00
transport.h object-store.h: move for_each_alternate_ref() from transport.h 2019-07-01 09:47:29 -07:00
tree-diff.c tree-walk.c: remove the_repo from fill_tree_descriptor() 2019-06-27 12:45:17 -07:00
tree-walk.c Merge branch 'jk/tree-walk-overflow' 2019-08-22 12:34:10 -07:00
tree-walk.h Merge branch 'jk/tree-walk-overflow' 2019-08-22 12:34:10 -07:00
tree.c object: convert create_object() to use object_id 2019-06-20 10:20:51 -07:00
tree.h
unicode-width.h Merge branch 'bb/unicode-12.1-reiwa' into maint 2019-07-25 14:27:11 -07:00
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Merge branch 'jk/tree-walk-overflow' 2019-08-22 12:34:10 -07:00
unpack-trees.h
upload-pack.c Merge branch 'ds/close-object-store' into maint 2019-07-29 12:38:22 -07:00
upload-pack.h
url.c
url.h
urlmatch.c
urlmatch.h
usage.c
userdiff.c Merge branch 'ml/userdiff-rust' 2019-06-21 11:24:08 -07:00
userdiff.h
utf8.c
utf8.h
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c object: convert lookup_unknown_object() to use object_id 2019-06-20 10:06:19 -07:00
walker.h
wildmatch.c
wildmatch.h
worktree.c Merge branch 'nd/corrupt-worktrees' into maint 2019-07-25 14:27:07 -07:00
worktree.h
wrap-for-bin.sh
wrapper.c wrapper: avoid undefined behaviour in macOS 2019-06-19 07:41:31 -07:00
write-or-die.c
ws.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
wt-status.c Merge branch 'jl/status-reduce-vertical-blank' 2019-07-19 11:30:23 -07:00
wt-status.h Merge branch 'jk/no-system-includes-in-dot-c' 2019-07-31 14:38:56 -07:00
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-<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://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