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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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Jonathan Nieder 0ed8d8da37 doc hash-function-transition: pick SHA-256 as NewHash 
From a security perspective, it seems that SHA-256, BLAKE2, SHA3-256,
K12, and so on are all believed to have similar security properties.
All are good options from a security point of view.

SHA-256 has a number of advantages:

* It has been around for a while, is widely used, and is supported by
  just about every single crypto library (OpenSSL, mbedTLS, CryptoNG,
  SecureTransport, etc).

* When you compare against SHA1DC, most vectorized SHA-256
  implementations are indeed faster, even without acceleration.

* If we're doing signatures with OpenPGP (or even, I suppose, CMS),
  we're going to be using SHA-2, so it doesn't make sense to have our
  security depend on two separate algorithms when either one of them
  alone could break the security when we could just depend on one.

So SHA-256 it is.  Update the hash-function-transition design doc to
say so.

After this patch, there are no remaining instances of the string
"NewHash", except for an unrelated use from 2008 as a variable name in
t/t9700/test.pl.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Acked-by: Dan Shumow <danshu@microsoft.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-07 07:40:43 -07:00
.github
block-sha1
builtin Merge branch 'sb/blame-color' 2018-07-24 14:50:51 -07:00
ci Merge branch 'nd/travis-gcc-8' 2018-05-30 14:04:08 +09:00
compat Merge branch 'nd/command-list' 2018-07-24 14:50:50 -07:00
contrib Merge branch 'tb/grep-column' 2018-07-18 12:20:31 -07:00
Documentation doc hash-function-transition: pick SHA-256 as NewHash 2018-08-07 07:40:43 -07:00
ewah ewah: delete unused 'rlwit_discharge_empty()' 2018-06-21 09:39:48 -07:00
git-gui Merge branch 'cb/git-gui-ttk-style' 2018-04-25 13:28:49 +09:00
gitk-git
gitweb
mergetools mergetools: add support for guiffy 2018-04-06 08:11:39 +09:00
perl Merge branch 'ab/git-svn-get-record-typofix' 2018-05-08 15:59:28 +09:00
po l10n: ko.po: Update Korean translation 2018-06-19 02:19:42 +09:00
ppc
refs Merge branch 'bp/log-ref-write-fd-with-strbuf' 2018-07-24 14:50:47 -07:00
sha1collisiondetection@19d97bf5af
sha1dc
t Merge branch 'es/test-lint-one-shot-export' 2018-07-24 14:50:50 -07:00
templates Update shell scripts to compute empty tree object ID 2018-05-02 13:59:53 +09:00
vcs-svn Convert remaining die*(BUG) messages 2018-05-06 19:06:14 +09:00
xdiff
.clang-format
.gitattributes .gitattributes: add a diff driver for Python 2018-04-27 09:18:55 +09:00
.gitignore Merge branch 'ag/rebase-p' 2018-06-25 13:22:39 -07:00
.gitmodules
.mailmap .mailmap: merge different spellings of names 2018-06-29 09:29:44 -07:00
.travis.yml travis-ci: run gcc-8 on linux-gcc jobs 2018-05-21 14:14:09 +09:00
.tsan-suppressions
abspath.c
aclocal.m4
advice.c am: move advice.amWorkDir parsing back to advice.c 2018-05-29 14:51:28 +09:00
advice.h am: move advice.amWorkDir parsing back to advice.c 2018-05-29 14:51:28 +09:00
alias.c completion: add and use --list-cmds=alias 2018-05-21 13:23:14 +09:00
alias.h completion: add and use --list-cmds=alias 2018-05-21 13:23:14 +09:00
alloc.c Merge branch 'sb/object-store-alloc' 2018-06-25 13:22:38 -07:00
alloc.h alloc: allow arbitrary repositories for alloc functions 2018-05-16 11:16:50 +09:00
apply.c Merge branch 'en/apply-comment-fix' 2018-07-24 14:50:43 -07:00
apply.h apply: add --intent-to-add 2018-05-29 12:42:30 +09:00
archive-tar.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
archive-zip.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
archive.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
archive.h
argv-array.c Merge branch 'ma/unpack-trees-free-msgs' 2018-05-30 21:51:29 +09:00
argv-array.h Merge branch 'ma/unpack-trees-free-msgs' 2018-05-30 21:51:29 +09:00
attr.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
attr.h
base85.c
bisect.c bisect.c: use commit-slab for commit weight instead of commit->util 2018-05-21 14:07:20 +09:00
bisect.h
blame.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
blame.h blame: use commit-slab for blame suspects instead of commit->util 2018-05-21 14:07:20 +09:00
blob.c alloc: allow arbitrary repositories for alloc functions 2018-05-16 11:16:50 +09:00
blob.h
branch.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
branch.h
builtin.h Merge branch 'jk/show-index' 2018-06-25 13:22:37 -07:00
bulk-checkin.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
bulk-checkin.h
bundle.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
bundle.h
cache-tree.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
cache-tree.h cache-tree: convert write_*_as_tree to object_id 2018-03-14 09:23:47 -07:00
cache.h Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
chdir-notify.c add chdir-notify API 2018-03-30 12:49:57 -07:00
chdir-notify.h add chdir-notify API 2018-03-30 12:49:57 -07:00
check_bindir
check-builtins.sh
check-racy.c
checkout.c refspec: rename struct refspec to struct refspec_item 2018-05-18 06:19:41 +09:00
checkout.h
color.c Merge branch 'js/use-bug-macro' 2018-05-30 14:04:07 +09:00
color.h color: introduce support for colorizing stderr 2018-04-24 10:38:47 +09:00
column.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
column.h
combine-diff.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
command-list.txt Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
commit-graph.c Merge branch 'ds/commit-graph-lockfile-fix' 2018-06-25 13:22:36 -07:00
commit-graph.h commit-graph: always load commit-graph information 2018-05-22 12:36:34 +09:00
commit-slab-decl.h commit-slab: support shared commit-slab 2018-05-21 14:07:19 +09:00
commit-slab-impl.h commit-slab: support shared commit-slab 2018-05-21 14:07:19 +09:00
commit-slab.h commit-slab: support shared commit-slab 2018-05-21 14:07:19 +09:00
commit.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
commit.h Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
common-main.c Merge branch 'dj/runtime-prefix' 2018-05-08 15:59:17 +09:00
config.c Merge branch 'ao/config-from-gitmodules' 2018-07-18 12:20:31 -07:00
config.h config: move config_from_gitmodules to submodule-config.c 2018-06-26 12:56:11 -07:00
config.mak.dev Makefile: add a DEVOPTS to get all of -Wextra 2018-04-16 13:54:53 +09:00
config.mak.in
config.mak.uname Merge branch 'nd/repack-keep-pack' 2018-05-23 14:38:14 +09:00
configure.ac Merge branch 'es/fread-reads-dir-autoconf-fix' 2018-04-25 13:29:01 +09:00
connect.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
connect.h fixup! connect.h: avoid forward declaration of an enum 2018-07-09 14:35:39 -07:00
connected.c fetch-pack: write shallow, then check connectivity 2018-07-03 14:57:44 -07:00
connected.h fetch-pack: write shallow, then check connectivity 2018-07-03 14:57:44 -07:00
convert.c Merge branch 'bb/pedantic' 2018-07-24 14:50:47 -07:00
convert.h Merge branch 'ls/checkout-encoding' 2018-05-08 15:59:22 +09:00
copy.c
COPYING
credential-cache--daemon.c
credential-cache.c Merge branch 'dl/credential-cache-socket-in-xdg-cache' 2017-08-11 13:27:06 -07:00
credential-store.c
credential.c credential: ignore SIGPIPE when writing to credential helpers 2018-03-29 15:33:55 -07:00
credential.h
csum-file.c csum-file: refactor finalize_hashfile() method 2018-04-02 14:27:30 -07:00
csum-file.h csum-file: refactor finalize_hashfile() method 2018-04-02 14:27:30 -07:00
ctype.c
daemon.c Merge branch 'lw/daemon-log-destination' 2018-04-25 13:28:58 +09:00
date.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
decorate.c
decorate.h
delta.h
detect-compiler Makefile: detect compiler and enable more warnings in DEVELOPER=1 2018-04-16 13:54:53 +09:00
diff-delta.c
diff-lib.c diff: ignore --ita-[in]visible-in-index when diffing worktree-to-tree 2018-05-29 12:36:31 +09:00
diff-no-index.c
diff.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
diff.h add status config and command line options for rename detection 2018-05-13 10:57:37 +09:00
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c regex: do not call regfree() if compilation fails 2018-05-21 13:58:32 +09:00
diffcore-rename.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
diffcore.h
dir-iterator.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
dir-iterator.h
dir.c Merge branch 'tz/exclude-doc-smallfixes' 2018-07-18 12:20:34 -07:00
dir.h Merge branch 'bc/object-id' 2018-05-30 14:04:10 +09:00
editor.c
entry.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
environment.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
exec-cmd.c Merge branch 'js/runtime-prefix' 2018-05-08 15:59:34 +09:00
exec-cmd.h Merge branch 'dj/runtime-prefix' 2018-05-08 15:59:17 +09:00
fast-import.c fast-import: do not call diff_delta() with empty buffer 2018-07-06 09:46:12 -07:00
fetch-object.c fetch-pack: put shallow info in output parameter 2018-06-28 09:33:29 -07:00
fetch-object.h
fetch-pack.c Merge branch 'jt/connectivity-check-after-unshallow' 2018-07-24 14:50:44 -07:00
fetch-pack.h fetch-pack: write shallow, then check connectivity 2018-07-03 14:57:44 -07:00
fmt-merge-msg.h
fsck.c Merge branch 'rj/submodule-fsck-skip' 2018-07-24 14:50:42 -07:00
fsck.h fsck: detect gitmodules files 2018-05-21 23:55:12 -04:00
fsmonitor.c Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
fsmonitor.h
generate-cmdlist.sh help: add --config to list all available config 2018-05-29 14:51:28 +09:00
gettext.c Merge branch 'js/runtime-prefix' 2018-05-08 15:59:34 +09:00
gettext.h
git-add--interactive.perl Merge branch 'pw/add-p-recount' 2018-06-28 12:53:32 -07:00
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'js/use-bug-macro' 2018-05-30 14:04:07 +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-merge-octopus.sh
git-merge-one-file.sh merge-one-file: compute empty blob object ID 2018-05-02 13:59:53 +09:00
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py git-p4: python3: fix octal constants 2018-06-19 09:34:32 -07:00
git-parse-remote.sh
git-quiltimport.sh
git-rebase--am.sh Merge branch 'pw/rebase-signoff' 2018-04-25 13:28:51 +09:00
git-rebase--interactive.sh Merge branch 'ag/rebase-p' 2018-06-25 13:22:39 -07:00
git-rebase--merge.sh Merge branch 'en/rebase-i-microfixes' 2018-07-18 12:20:33 -07:00
git-rebase--preserve-merges.sh git-rebase--preserve-merges: fix formatting of todo help message 2018-07-06 12:09:27 -07:00
git-rebase.sh Merge branch 'en/rebase-consistency' 2018-07-24 14:50:43 -07:00
git-remote-testgit.sh
git-request-pull.sh
git-send-email.perl send-email: automatically determine transfer-encoding 2018-07-09 10:55:12 -07:00
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh Merge branch 'tg/stash-untracked-with-pathspec-fix' 2018-04-10 08:25:45 +09:00
git-submodule.sh Merge branch 'sb/submodule-core-worktree' 2018-07-18 12:20:28 -07:00
git-svn.perl git-svn: search --authors-prog in PATH too 2018-04-05 06:55:02 +00:00
GIT-VERSION-GEN Prepare to start 2.19 cycle 2018-06-25 13:22:27 -07:00
git-web--browse.sh
git.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
git.rc
gpg-interface.c gpg-interface: make parse_gpg_output static and remove from interface header 2018-07-11 10:05:22 -07:00
gpg-interface.h gpg-interface: make parse_gpg_output static and remove from interface header 2018-07-11 10:05:22 -07:00
graph.c
graph.h
grep.c Merge branch 'tb/grep-column' 2018-07-18 12:20:31 -07:00
grep.h Merge branch 'tb/grep-column' 2018-07-18 12:20:31 -07:00
hash.h
hashmap.c
hashmap.h
help.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
help.h completion: drop the hard coded list of config vars 2018-05-29 14:51:28 +09:00
hex.c
http-backend.c Merge branch 'bw/protocol-v2' 2018-05-08 15:59:16 +09:00
http-fetch.c Merge branch 'ma/http-walker-no-partial' 2018-05-08 15:59:35 +09:00
http-push.c Merge branch 'bw/ref-prefix-for-configured-refspec' 2018-05-30 21:51:26 +09:00
http-walker.c Merge branch 'sb/object-store' 2018-04-11 13:09:55 +09:00
http.c Merge branch 'bw/remote-curl-compressed-responses' 2018-05-30 21:51:29 +09:00
http.h Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
ident.c
imap-send.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
INSTALL
iterator.h
khash.h
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c Merge branch 'ds/lazy-load-trees' 2018-05-23 14:38:13 +09:00
line-log.h
line-range.c
line-range.h
list-objects-filter-options.c list-objects: check if filter is NULL before using 2018-06-12 10:46:56 -07:00
list-objects-filter-options.h
list-objects-filter.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
list-objects-filter.h
list-objects.c Merge branch 'jt/partial-clone-fsck-connectivity' 2018-07-24 14:50:47 -07:00
list-objects.h
list.h
ll-merge.c
ll-merge.h
lockfile.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
lockfile.h
log-tree.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
log-tree.h format-patch: make cover letters always text/plain 2018-05-02 12:55:00 +09:00
ls-refs.c
ls-refs.h
mailinfo.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
mailinfo.h
mailmap.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
mailmap.h
Makefile Merge branch 'js/enhanced-version-info' 2018-07-18 12:20:35 -07:00
match-trees.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
mem-pool.c mem-pool: move reusable parts of memory pool into its own file 2018-04-12 11:55:20 +09:00
mem-pool.h mem-pool: move reusable parts of memory pool into its own file 2018-04-12 11:55:20 +09:00
merge-blobs.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
merge-blobs.h
merge-recursive.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
merge-recursive.h merge: add merge.renames config setting 2018-05-08 16:19:41 +09:00
merge.c Merge branch 'ma/unpack-trees-free-msgs' 2018-05-30 21:51:29 +09:00
mergesort.c
mergesort.h
name-hash.c
notes-cache.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
notes-cache.h
notes-merge.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
notes-merge.h
notes-utils.c
notes-utils.h
notes.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
notes.h
object-store.h Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
object.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
object.h Merge branch 'jt/partial-clone-fsck-connectivity' 2018-07-24 14:50:47 -07:00
oidmap.c
oidmap.h
oidset.c
oidset.h
pack-bitmap-write.c Merge branch 'jt/remove-pack-bitmap-global' 2018-07-18 12:20:30 -07:00
pack-bitmap.c pack-bitmap: add free function 2018-06-21 12:22:48 -07:00
pack-bitmap.h pack-bitmap: add free function 2018-06-21 12:22:48 -07:00
pack-check.c packfile: add repository argument to unpack_entry 2018-04-26 10:54:27 +09:00
pack-objects.c Merge branch 'js/use-bug-macro' 2018-05-30 14:04:07 +09:00
pack-objects.h Merge branch 'nd/pack-objects-pack-struct' 2018-05-23 14:38:19 +09:00
pack-revindex.c object-store: move packed_git and packed_git_mru to object store 2018-03-26 10:05:46 -07:00
pack-revindex.h
pack-write.c csum-file: refactor finalize_hashfile() method 2018-04-02 14:27:30 -07:00
pack.h
packfile.c Merge branch 'jl/zlib-restore-nul-termination' 2018-06-18 10:18:43 -07:00
packfile.h Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
pager.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
parse-options-cb.c parseopt: handle malformed --expire arguments more nicely 2018-04-23 22:36:59 +09:00
parse-options.c completion: collapse extra --no-.. options 2018-06-11 10:38:10 -07:00
parse-options.h Merge branch 'ps/contains-id-error-message' 2018-04-10 16:28:20 +09:00
patch-delta.c
patch-ids.c
patch-ids.h
path.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
path.h Merge branch 'bb/pedantic' 2018-07-24 14:50:47 -07:00
pathspec.c Convert remaining die*(BUG) messages 2018-05-06 19:06:14 +09:00
pathspec.h
pkt-line.c Merge branch 'js/use-bug-macro' 2018-05-30 14:04:07 +09:00
pkt-line.h
preload-index.c
pretty.c Merge branch 'ds/lazy-load-trees' 2018-05-23 14:38:13 +09:00
pretty.h
prio-queue.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
prio-queue.h
progress.c
progress.h
prompt.c
prompt.h
protocol.c
protocol.h
quote.c
quote.h
reachable.c cache.h: add repository argument to oid_object_info 2018-04-26 10:54:27 +09:00
reachable.h
read-cache.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
README.md note git-security@googlegroups.com in more places 2018-06-01 09:24:11 +09:00
ref-filter.c Merge branch 'jk/for-each-ref-icase' 2018-07-24 14:50:44 -07:00
ref-filter.h Merge branch 'ot/libify-get-ref-atom-value' 2018-05-08 15:59:18 +09:00
reflog-walk.c
reflog-walk.h
refs.c Merge branch 'bp/log-ref-write-fd-with-strbuf' 2018-07-24 14:50:47 -07:00
refs.h Merge branch 'sb/object-store-replace' 2018-05-08 15:59:21 +09:00
refspec.c Merge branch 'ab/refspec-init-fix' 2018-06-28 12:53:29 -07:00
refspec.h refspec: add back a refspec_item_init() function 2018-06-11 10:11:31 -07:00
RelNotes Prepare to start 2.19 cycle 2018-06-25 13:22:27 -07:00
remote-curl.c remote-curl: accept compressed responses with protocol v2 2018-05-23 10:24:13 +09:00
remote-testsvn.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
remote.c Merge branch 'jt/connectivity-check-after-unshallow' 2018-07-24 14:50:44 -07:00
remote.h fetch-pack: implement ref-in-want 2018-06-28 09:33:30 -07:00
replace-object.c Merge branch 'sb/object-store-replace' 2018-05-23 14:38:09 +09:00
replace-object.h replace-object: allow lookup_replace_object to handle arbitrary repositories 2018-04-12 11:38:57 +09:00
repository.c Merge branch 'sb/object-store-alloc' 2018-06-25 13:22:38 -07:00
repository.h Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
rerere.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
rerere.h
resolve-undo.c cache: add a function to read an object ID from a buffer 2018-05-02 13:59:48 +09:00
resolve-undo.h
revision.c Merge branch 'jt/partial-clone-fsck-connectivity' 2018-07-24 14:50:47 -07:00
revision.h Merge branch 'jt/partial-clone-fsck-connectivity' 2018-07-24 14:50:47 -07:00
run-command.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
run-command.h
send-pack.c shallow: add repository argument to is_repository_shallow 2018-05-18 08:13:10 +09:00
send-pack.h
sequencer.c Merge branch 'as/sequencer-customizable-comment-char' 2018-07-24 14:50:51 -07:00
sequencer.h Merge branch 'js/sequencer-and-root-commits' 2018-05-30 14:04:04 +09:00
serve.c serve: introduce the server-option capability 2018-04-24 11:24:40 +09:00
serve.h
server-info.c server-info: remove unused members from struct pack_info 2018-05-02 13:59:48 +09:00
setup.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
sh-i18n--envsubst.c
sha1-array.c get_short_oid: sort ambiguous objects by type, then SHA-1 2018-05-11 14:43:23 +09:00
sha1-array.h get_short_oid: sort ambiguous objects by type, then SHA-1 2018-05-11 14:43:23 +09:00
sha1-file.c Merge branch 'ds/commit-graph-lockfile-fix' 2018-06-25 13:22:36 -07:00
sha1-lookup.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
sha1-lookup.h
sha1-name.c Merge branch 'wc/find-commit-with-pattern-on-detached-head' 2018-07-24 14:50:49 -07:00
sha1dc_git.c
sha1dc_git.h
shallow.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
shell.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
shortlog.h
sideband.c Avoid multiple PREFIX definitions 2018-04-24 11:12:32 +09:00
sideband.h
sigchain.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
sigchain.h
split-index.c split-index: convert struct split_index to object_id 2018-05-02 13:59:50 +09:00
split-index.h split-index: convert struct split_index to object_id 2018-05-02 13:59:50 +09:00
strbuf.c Merge branch 'js/use-bug-macro' 2018-05-30 14:04:07 +09:00
strbuf.h Merge branch 'en/rename-directory-detection-reboot' 2018-05-23 14:38:19 +09:00
streaming.c cache.h: add repository argument to oid_object_info_extended 2018-04-26 10:54:27 +09:00
streaming.h
string-list.c string-list.c: avoid conversion from void * to function pointer 2018-07-09 14:37:50 -07:00
string-list.h
sub-process.c
sub-process.h
submodule-config.c Merge branch 'ao/config-from-gitmodules' 2018-07-18 12:20:31 -07:00
submodule-config.h submodule-config: make 'config_from_gitmodules' private 2018-06-26 12:56:12 -07:00
submodule.c Merge branch 'sb/submodule-move-head-error-msg' 2018-07-24 14:50:43 -07:00
submodule.h submodule: unset core.worktree if no working tree is present 2018-06-14 14:13:46 -07:00
symlinks.c
tag.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
tag.h alloc: allow arbitrary repositories for alloc functions 2018-05-16 11:16:50 +09:00
tar.h
tempfile.c
tempfile.h
thread-utils.c
thread-utils.h
tmp-objdir.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
tmp-objdir.h
trace.c trace.c: export trace_setup_key 2018-03-30 12:49:57 -07:00
trace.h trace.c: export trace_setup_key 2018-03-30 12:49:57 -07:00
trailer.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
trailer.h
transport-helper.c fetch-pack: put shallow info in output parameter 2018-06-28 09:33:29 -07:00
transport-internal.h fetch-pack: put shallow info in output parameter 2018-06-28 09:33:29 -07:00
transport.c fetch-pack: write shallow, then check connectivity 2018-07-03 14:57:44 -07:00
transport.h fetch-pack: write shallow, then check connectivity 2018-07-03 14:57:44 -07:00
tree-diff.c
tree-walk.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
tree-walk.h tree-walk: convert get_tree_entry_follow_symlinks to object_id 2018-05-02 13:59:50 +09:00
tree.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
tree.h
unicode-width.h unicode: update the width tables to Unicode 11 2018-07-09 14:02:51 -07:00
unimplemented.sh
unix-socket.c
unix-socket.h credentials: add "cache" helper 2011-12-11 23:16:25 -08:00
unpack-trees.c Merge branch 'mk/merge-in-sparse-checkout' 2018-07-24 14:50:48 -07:00
unpack-trees.h unpack_trees_options: free messages when done 2018-05-22 11:59:31 +09:00
upload-pack.c Merge branch 'jt/connectivity-check-after-unshallow' 2018-07-24 14:50:44 -07:00
upload-pack.h
url.c
url.h
urlmatch.c
urlmatch.h
usage.c Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
userdiff.c userdiff: support new keywords in PHP hunk header 2018-07-06 14:59:28 -07:00
userdiff.h
utf8.c utf8.c: avoid char overflow 2018-07-09 14:38:12 -07:00
utf8.h Sync with Git 2.17.1 2018-05-29 17:10:05 +09:00
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
walker.h walker: drop fields of struct walker which are always 1 2018-04-24 10:55:04 +09:00
wildmatch.c
wildmatch.h
worktree.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
worktree.h
wrap-for-bin.sh Make running git under other debugger-like programs easy 2018-04-25 10:47:22 +09:00
wrapper.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
write-or-die.c write_or_die.c: rename to use dashes in file name 2018-04-11 18:11:00 +09:00
ws.c
wt-status.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
wt-status.h add status config and command line options for rename detection 2018-05-13 10:57:37 +09:00
xdiff-interface.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
xdiff-interface.h
zlib.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00

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 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