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René Scharfe f1ed4ce9e3 test-mergesort: add unriffle_skewed mode 
Add a mode that turns a sorted list into adversarial input for a
bottom-up mergesort implementation that doubles the length of sorted
sublists at each level -- like our llist_mergesort().

While unriffle mode splits the list in half at each recursion step,
unriffle_skewed splits it into 2^l items and the rest, with 2^l being
the highest power of two smaller than the number of items and thus
2^l >= rest.  The rest is unriffled with the tail of the first half to
require a merge to compare the maximum number of elements.

It complements the unriffle mode, which targets balanced merges.  If
the number of elements is a power of two then both actually produce the
same result, as 2^l == rest == n/2 at each recursion step in that case.

Here are the results:

   $ t/helper/test-tool mergesort test | awk '
      $7 > max[$3] {max[$3] = $7; line[$3] = $0}
      END {for (n in line) print line[n]}
   '

distribut mode                    n        m get_next set_next  compare verdict
sawtooth  unriffle_skewed       100      128     1184      700      589 OK
sawtooth  unriffle_skewed      1023     1024    16373    10230     9207 OK
sawtooth  unriffle             1024     1024    16384    10240     9217 OK
sawtooth  unriffle_skewed      1025     2048    18454    11275    10241 OK

The sawtooth distribution with m>=n produces a sorted list and
unriffle_skewed mode turns it into adversarial input for unbalanced
merges, which it wins in all cases except for n=1024 -- the resulting
list is the same, but unriffle is tested before unriffle_skewed, so its
result is selected by the AWK script.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-10-01 12:43:09 -07:00
.github Merge branch 'tb/ci-run-cocci-with-18.04' into maint 2021-02-11 13:57:36 -08:00
block-sha1 block-sha1: take a size_t length parameter 2020-11-16 13:41:35 -08:00
builtin Merge branch 'ab/branch-sort' into maint 2021-02-08 14:05:55 -08:00
ci ci/install-depends: attempt to fix "brew cask" stuff 2021-01-14 19:08:56 -08:00
compat Sync with 2.29.3 2021-02-12 15:51:12 +01:00
contrib Merge branch 'js/cmake-extra-built-ins-fix' 2020-12-14 10:21:38 -08:00
Documentation Git 2.30.2 2021-02-12 15:51:13 +01:00
ewah Merge branch 'jk/object-filter-with-bitmap' 2020-03-02 15:07:18 -08:00
git-gui Merge https://github.com/prati0100/git-gui 2020-12-18 15:07:10 -08:00
gitk-git Merge remote-tracking branch 'paulus/master' into pm/gitk-update 2020-10-03 10:06:27 -07:00
gitweb gitweb/Makefile: conditionally include ../GIT-VERSION-FILE 2020-12-08 16:56:56 -08:00
mergetools Merge branch 'pd/mergetool-nvimdiff' 2020-11-21 15:14:39 -08:00
negotiator negotiator/noop: add noop fetch negotiator 2020-08-18 13:25:05 -07:00
perl Merge branch 'jk/perl-warning' 2020-11-09 14:06:25 -08:00
po l10n: zh_CN: for git v2.30.0 l10n round 1 and 2 2020-12-27 19:23:27 +08:00
ppc
refs refs/files-backend: don't peek into struct lock_file 2021-01-06 13:53:32 -08:00
sha1collisiondetection@855827c583
sha1dc Merge branch 'jk/lore-is-the-archive' 2019-12-06 15:09:23 -08:00
sha256 hash: implement and use a context cloning function 2020-02-24 09:33:21 -08:00
t test-mergesort: add unriffle_skewed mode 2021-10-01 12:43:09 -07:00
templates hook: add sample template for push-to-checkout 2020-10-16 08:47:02 -07:00
trace2 trace2: teach Git to log environment variables 2020-03-23 13:14:53 -07:00
vcs-svn drop vcs-svn experiment 2020-08-13 11:02:15 -07:00
xdiff diff: add -I<regex> that ignores matching changes 2020-10-20 12:53:26 -07:00
.cirrus.yml CI: add FreeBSD CI support via Cirrus-CI 2019-12-20 12:09:12 -08:00
.clang-format
.editorconfig editorconfig: indent text files with tabs 2020-01-06 08:46:32 -08:00
.gitattributes
.gitignore Merge branch 'fc/random-cleanup' 2020-12-08 15:11:21 -08:00
.gitmodules
.mailmap Merge branch 'bc/wildcard-credential' 2020-03-05 10:43:02 -08:00
.travis.yml ci: fix the jobname of the GETTEXT_POISON job 2020-04-07 22:17:10 -07:00
.tsan-suppressions replace-object: make replace operations thread-safe 2020-01-17 13:52:14 -08:00
abspath.c real_path_if_valid(): remove unsafe API 2020-03-10 11:41:40 -07:00
aclocal.m4
add-interactive.c Merge branch 'js/add-i-color-fix' 2020-12-08 15:11:17 -08:00
add-interactive.h built-in add -p: respect the interactive.singlekey config setting 2020-01-15 12:06:17 -08:00
add-patch.c Merge branch 'js/add-i-color-fix' 2020-12-08 15:11:17 -08:00
advice.c push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
advice.h push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
alias.c
alias.h
alloc.c commit: move members graph_pos, generation to a slab 2020-06-17 14:37:30 -07:00
alloc.h object: drop parsed_object_pool->commit_count 2020-06-17 14:37:14 -07:00
apply.c Merge branch 'ab/unreachable-break' 2020-12-18 15:15:18 -08:00
apply.h
archive-tar.c archive: support compression levels beyond 9 2020-11-09 11:25:45 -08:00
archive-zip.c archive: read short blobs in archive.c::write_archive_entry() 2020-09-19 15:56:05 -07:00
archive.c Merge branch 'rs/archive-plug-leak-refname' 2020-11-25 15:24:53 -08:00
archive.h Merge branch 'rs/archive-plug-leak-refname' 2020-11-25 15:24:53 -08:00
attr.c Use new HASHMAP_INIT macro to simplify hashmap initialization 2020-11-11 12:55:27 -08:00
attr.h attr: move doc to attr.h 2019-11-18 15:21:28 +09:00
banned.h banned.h: mark ctime_r() and asctime_r() as banned 2020-12-02 14:30:39 -08:00
base85.c
bisect.c Merge branch 'sg/bisect-approximately-halfway' 2020-11-25 15:24:52 -08:00
bisect.h bisect: combine args passed to find_bisection() 2020-08-07 15:13:03 -07:00
blame.c Merge branch 'en/strmap' 2020-11-21 15:14:38 -08:00
blame.h blame: simplify 'setup_blame_bloom_data' interface 2020-11-01 15:54:15 -08:00
blob.c object: drop parsed_object_pool->commit_count 2020-06-17 14:37:14 -07:00
blob.h
bloom.c Use new HASHMAP_INIT macro to simplify hashmap initialization 2020-11-11 12:55:27 -08:00
bloom.h bloom: encode out-of-bounds filters as non-empty 2020-09-17 21:55:50 -07:00
branch.c wt-status: tolerate dangling marks 2020-09-02 14:39:25 -07:00
branch.h
builtin.h Merge branch 'ds/maintenance-part-3' 2020-11-18 13:32:53 -08:00
bulk-checkin.c
bulk-checkin.h
bundle.c Merge branch 'jt/interpret-branch-name-fallback' 2020-09-09 13:53:09 -07:00
bundle.h Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
cache-tree.c sha1-file: pass git_hash_algo to hash_object_file() 2020-01-31 10:45:39 -08:00
cache-tree.h
cache.h Sync with 2.29.3 2021-02-12 15:51:12 +01:00
chdir-notify.c
chdir-notify.h
check-builtins.sh
check_bindir
checkout.c config: drop git_config_get_string_const() 2020-08-17 15:35:47 -07:00
checkout.h
CODE_OF_CONDUCT.md
color.c color.c: alias RGB colors 8-15 to aixterm colors 2020-02-11 11:19:00 -08:00
color.h
column.c Merge branch 'jk/strvec' 2020-08-10 10:23:57 -07:00
column.h
combine-diff.c Merge branch 'jk/diff-cc-oidfind-fix' 2020-10-05 14:01:55 -07:00
command-list.txt Merge branch 'ab/retire-parse-remote' 2020-12-03 00:18:06 -08:00
commit-graph.c commit-graph: don't peek into struct lock_file 2021-01-06 13:53:32 -08:00
commit-graph.h Merge branch 'tb/bloom-improvements' 2020-09-29 14:01:20 -07:00
commit-reach.c commit-reach: fix in_merge_bases_many bug 2020-10-02 10:26:31 -07:00
commit-reach.h commit-reach: avoid is_descendant_of() shim 2020-06-23 16:36:53 -07:00
commit-slab-decl.h Merge branch 'sg/commit-graph-cleanups' into master 2020-07-30 13:20:30 -07:00
commit-slab-impl.h commit-slab: add a function to deep free entries on the slab 2020-06-08 12:28:49 -07:00
commit-slab.h commit-slab: add a function to deep free entries on the slab 2020-06-08 12:28:49 -07:00
commit.c Documentation: stylistically normalize references to Signed-off-by: 2020-10-20 11:57:40 -07:00
commit.h drop unused argc parameters 2020-09-30 12:53:47 -07:00
common-main.c
config.c Merge branch 'ds/config-literal-value' 2020-12-08 15:11:19 -08:00
config.h config: plumb --fixed-value into config API 2020-11-25 14:43:48 -08:00
config.mak.dev Merge branch 'jc/sparse-error-for-developer-build' 2020-11-18 13:32:54 -08:00
config.mak.in
config.mak.uname Merge branch 'rb/nonstop-config-mak-uname-update' 2020-12-18 15:15:18 -08:00
configure.ac Merge branch 'dd/sequencer-utf8' 2019-12-01 09:04:36 -08:00
connect.c Merge branch 'jk/forbid-lf-in-git-url' into maint 2021-02-05 16:31:27 -08:00
connect.h Merge branch 'bc/sha-256-part-2' 2020-07-06 22:09:13 -07:00
connected.c Merge branch 'rs/more-buffered-io' 2020-08-24 14:54:31 -07:00
connected.h connected: always use partial clone optimization 2020-03-29 10:37:44 -07:00
convert.c convert: drop unused crlf_action from check_global_conv_flags_eol() 2020-09-30 12:53:47 -07:00
convert.h convert: provide additional metadata to filters 2020-03-16 11:37:02 -07:00
copy.c
COPYING
credential.c credential: treat CR/LF as line endings in the credential protocol 2020-10-03 10:41:03 -07:00
credential.h credential: correct order of parameters for credential_match 2020-05-04 22:56:33 -07:00
csum-file.c hash: implement and use a context cloning function 2020-02-24 09:33:21 -08:00
csum-file.h csum-file: add hashwrite_be64() 2020-11-12 09:40:06 -08:00
ctype.c
daemon.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
date.c date.c: allow compact version of ISO-8601 datetime 2020-04-24 14:06:09 -07:00
decorate.c
decorate.h
delta-islands.c oid_array: rename source file from sha1-array 2020-03-30 10:59:08 -07:00
delta-islands.h
delta.h
detect-compiler
diff-delta.c
diff-lib.c Merge branch 'rs/plug-diff-cache-leak' 2020-11-25 15:24:53 -08:00
diff-no-index.c
diff.c Merge branch 'jc/diff-I-status-fix' 2020-12-18 15:15:18 -08:00
diff.h Merge branch 'mk/diff-ignore-regex' 2020-11-02 13:17:44 -08:00
diffcore-break.c diff: restrict when prefetching occurs 2020-04-07 16:09:29 -07:00
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
diffcore.h diff: restrict when prefetching occurs 2020-04-07 16:09:29 -07:00
dir-iterator.c
dir-iterator.h
dir.c Merge branch 'en/strmap' 2020-11-21 15:14:38 -08:00
dir.h dir: fix problematic API to avoid memory leaks 2020-08-18 17:17:31 -07:00
editor.c config: fix leaks from git_config_get_string_const() 2020-08-14 10:52:04 -07:00
entry.c checkout_entry(): remove unreachable error() call 2020-08-18 13:26:10 -07:00
environment.c Merge branch 'jk/leakfix' 2020-08-27 14:04:49 -07:00
exec-cmd.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
exec-cmd.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
fetch-negotiator.c negotiator/noop: add noop fetch negotiator 2020-08-18 13:25:05 -07:00
fetch-negotiator.h
fetch-pack.c Merge branch 'rs/fetch-pack-invalid-lockfile' 2020-12-08 15:11:20 -08:00
fetch-pack.h Merge branch 'jt/lazy-fetch' 2020-09-03 12:37:04 -07:00
fmt-merge-msg.c fmt-merge-msg: also suppress "into main" by default 2020-10-23 08:57:39 -07:00
fmt-merge-msg.h Lib-ify fmt-merge-msg 2020-03-24 15:04:43 -07:00
fsck.c Merge branch 'jk/forbid-lf-in-git-url' into maint 2021-02-05 16:31:27 -08:00
fsck.h
fsmonitor.c Merge branch 'jk/strvec' 2020-08-10 10:23:57 -07:00
fsmonitor.h
fuzz-commit-graph.c commit-graph: pass a 'struct repository *' in more places 2020-09-09 12:51:48 -07:00
fuzz-pack-headers.c
fuzz-pack-idx.c
generate-cmdlist.sh Fit to Plan 9's ANSI/POSIX compatibility layer 2020-09-09 22:31:31 -07:00
generate-configlist.sh help: move list_config_help to builtin/help 2020-04-16 15:22:16 -07:00
gettext.c gettext.c: remove/reword a mostly-useless comment 2021-01-11 13:07:33 -08:00
gettext.h
git-add--interactive.perl Merge branch 'js/add-i-color-fix' 2020-12-08 15:11:17 -08:00
git-archimport.perl
git-bisect.sh Merge branch 'mr/bisect-in-c-3' 2020-11-09 14:06:25 -08:00
git-compat-util.h Sync with 2.29.3 2021-02-12 15:51:12 +01:00
git-cvsexportcommit.perl cvsexportcommit: do not run git programs in dashed form 2020-08-26 14:49:52 -07:00
git-cvsimport.perl git-cvsimport: port to SHA-256 2020-06-22 11:21:07 -07:00
git-cvsserver.perl git-cvsserver: port to SHA-256 2020-06-22 11:21:07 -07:00
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 Merge branch 'pb/mergetool-tool-help-fix' into maint 2021-02-05 16:31:24 -08:00
git-mergetool.sh
git-p4.py Merge branch 'dl/p4-encode-after-kw-expansion' into maint 2021-02-08 14:05:54 -08:00
git-quiltimport.sh
git-rebase--preserve-merges.sh rebase: remove unused function reschedule_last_action 2020-08-12 12:25:42 -07:00
git-request-pull.sh
git-send-email.perl git-send-email: die if sendmail.* config is set 2020-07-23 18:00:34 -07:00
git-sh-i18n.sh
git-sh-setup.sh
git-submodule.sh submodule: fix fetch_in_submodule logic 2020-11-24 13:14:09 -08:00
git-svn.perl perl: check for perl warnings while running tests 2020-10-21 23:11:48 -07:00
GIT-VERSION-GEN Git 2.30.2 2021-02-12 15:51:13 +01:00
git-web--browse.sh
git.c maintenance: fix SEGFAULT when no repository 2020-11-30 13:44:15 -08:00
git.rc
gpg-interface.c strvec: fix indentation in renamed calls 2020-07-28 15:02:18 -07:00
gpg-interface.h gpg-interface: prefer check_signature() for GPG verification 2020-03-15 09:46:28 -07:00
graph.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
graph.h graph: move doc to graph.h and graph.c 2019-11-18 15:21:28 +09:00
grep.c grep: copy struct in one fell swoop 2020-11-30 13:55:54 -08:00
grep.h grep: use designated initializers for grep_defaults 2020-11-21 14:50:33 -08:00
hash.h cache.h: move hash/oid functions to hash.h 2020-12-04 13:55:14 -08:00
hashmap.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
hashmap.h hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
help.c help.c: help.autocorrect=never means "do not compute suggestions" 2020-11-25 13:02:15 -08:00
help.h help: do not expect built-in commands to be hardlinked 2020-10-07 15:25:10 -07:00
hex.c hex: add functions to parse hex object IDs in any algorithm 2020-02-24 09:33:21 -08:00
http-backend.c strvec: fix indentation in renamed calls 2020-07-28 15:02:18 -07:00
http-fetch.c http-fetch: set up git directory before parsing pack hashes 2020-07-30 09:16:48 -07:00
http-push.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
http-walker.c http: refactor finish_http_pack_request() 2020-06-10 18:06:34 -07:00
http.c strvec: fix indentation in renamed calls 2020-07-28 15:02:18 -07:00
http.h Merge branch 'jt/cdn-offload' 2020-06-25 12:27:47 -07:00
ident.c Merge branch 'pw/rebase-i-more-options' 2020-09-03 12:37:01 -07:00
imap-send.c imap-send: parse default git config 2020-12-01 11:10:59 -08:00
INSTALL doc: mention Python 3.x supports 2020-12-14 15:01:03 -08:00
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: handle deref_tag() returning NULL 2020-10-12 12:25:14 -07:00
line-log.h line-log: more responsive, incremental 'git log -L' 2020-05-11 09:33:56 -07:00
line-range.c
line-range.h
linear-assignment.c
linear-assignment.h
list-objects-filter-options.c list-objects-filter-options: fix function name in BUG 2020-11-16 14:28:25 -08:00
list-objects-filter-options.h list_objects_filter_options: introduce 'list_object_filter_config_name' 2020-08-03 18:03:24 -07:00
list-objects-filter.c list-objects-filter: treat NULL filter_options as "disabled" 2020-05-04 21:57:58 -07:00
list-objects-filter.h
list-objects.c
list-objects.h
list.h
ll-merge.c parse_config_key(): return subsection len as size_t 2020-04-10 14:44:29 -07:00
ll-merge.h merge: move doc to ll-merge.h 2019-11-18 15:21:28 +09:00
lockfile.c lockfile.c: introduce 'hold_lock_file_for_update_mode' 2020-04-27 11:27:36 -07:00
lockfile.h lockfile.c: introduce 'hold_lock_file_for_update_mode' 2020-04-27 11:27:36 -07:00
log-tree.c format-patch: make output filename configurable 2020-11-09 17:44:41 -08:00
log-tree.h format-patch: make output filename configurable 2020-11-09 17:44:41 -08:00
ls-refs.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
ls-refs.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
mailinfo.c mailinfo: disallow NUL character in mail's header 2020-04-22 14:01:03 -07:00
mailinfo.h
mailmap.c
mailmap.h
Makefile Merge branch 'js/skip-dashed-built-ins-from-config-mak' into maint 2021-02-05 16:31:28 -08:00
match-trees.c
mem-pool.c mem-pool: use consistent pool variable name 2020-08-18 12:16:08 -07:00
mem-pool.h mem-pool: use consistent pool variable name 2020-08-18 12:16:08 -07:00
merge-blobs.c
merge-blobs.h
merge-ort-wrappers.c merge-ort-wrappers: new convience wrappers to mimic the old merge API 2020-10-26 22:36:14 -07:00
merge-ort-wrappers.h merge-ort-wrappers: new convience wrappers to mimic the old merge API 2020-10-26 22:36:14 -07:00
merge-ort.c merge-ort: barebones API of new merge strategy with empty implementation 2020-10-26 22:36:10 -07:00
merge-ort.h merge-ort: barebones API of new merge strategy with empty implementation 2020-10-26 22:36:10 -07:00
merge-recursive.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
merge-recursive.h merge-recursive: fix unclear and outright wrong comments 2020-08-02 11:03:57 -07:00
merge.c dir: fix problematic API to avoid memory leaks 2020-08-18 17:17:31 -07:00
mergesort.c
mergesort.h
midx.c midx: don't peek into struct lock_file 2021-01-06 13:53:32 -08:00
midx.h Merge branch 'ds/multi-pack-index' 2020-05-01 13:39:55 -07:00
name-hash.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c strbuf: add and use strbuf_insertstr() 2020-02-10 09:04:45 -08:00
notes-utils.h
notes.c Merge branch 'na/notes-displayref-is-not-boolean' 2020-11-30 14:49:44 -08:00
notes.h Merge branch 'dl/format-patch-notes-config-fixup' 2019-12-25 11:21:58 -08:00
object-store.h sha1-file: introduce no-lazy-fetch has_object() 2020-08-06 13:01:02 -07:00
object.c Merge branch 'en/strmap' 2020-11-21 15:14:38 -08:00
object.h object: allow clear_commit_marks_all to handle any repo 2020-10-31 10:46:34 -07:00
oid-array.c oid-array: provide a for-loop iterator 2020-12-07 12:32:04 -08:00
oid-array.h oid-array: provide a for-loop iterator 2020-12-07 12:32:04 -08:00
oidmap.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
oidmap.h
oidset.c blame: silently ignore invalid ignore file objects 2020-11-10 13:05:06 -08:00
oidset.h blame: validate and peel the object names on the ignore list 2020-09-24 22:20:58 -07:00
pack-bitmap-write.c pack-bitmap-write: use hashwrite_be32() in write_hash_cache() 2020-09-06 13:40:41 -07:00
pack-bitmap.c pack-bitmap: pass object filter to fill-in traversal 2020-05-04 21:57:58 -07:00
pack-bitmap.h Merge branch 'jk/object-filter-with-bitmap' 2020-03-02 15:07:18 -08:00
pack-check.c fsck: correctly compute checksums on idx files larger than 4GB 2020-11-16 13:41:35 -08:00
pack-objects.c pack-objects: convert oe_set_delta_ext() to use object_id 2020-02-24 12:55:52 -08:00
pack-objects.h pack-objects: convert oe_set_delta_ext() to use object_id 2020-02-24 12:55:52 -08:00
pack-revindex.c compute pack .idx byte offsets using size_t 2020-11-16 13:41:35 -08:00
pack-revindex.h
pack-write.c Merge branch 'rs/hashwrite-be64' 2020-11-25 15:24:52 -08:00
pack.h
packfile.c Merge branch 'tb/idx-midx-race-fix' 2020-12-08 15:11:18 -08:00
packfile.h midx: traverse the local MIDX first 2020-08-28 14:07:09 -07:00
pager.c strvec: convert remaining callers away from argv_array name 2020-07-28 15:02:18 -07:00
parse-options-cb.c assert PARSE_OPT_NONEG in parse-options callbacks 2020-09-30 12:53:47 -07:00
parse-options.c parse-options: add --git-completion-helper-all 2020-08-19 17:46:17 -07:00
parse-options.h parse-options: format argh like error messages 2021-01-06 15:10:27 -08:00
patch-delta.c
patch-ids.c Merge branch 'jk/log-cherry-pick-duplicate-patches' into maint 2021-02-05 16:31:28 -08:00
patch-ids.h patch-ids: handle duplicate hashmap entries 2021-01-12 11:13:32 -08:00
path.c sequencer: treat REVERT_HEAD as a pseudo ref 2020-08-21 11:20:11 -07:00
path.h sequencer: treat REVERT_HEAD as a pseudo ref 2020-08-21 11:20:11 -07:00
pathspec.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
pathspec.h Merge branch 'hw/doc-in-header' 2019-12-16 13:08:39 -08:00
pkt-line.c sideband: diagnose more sideband anomalies 2020-10-29 09:23:29 -07:00
pkt-line.h Merge branch 'bc/sha-256-part-2' 2020-07-06 22:09:13 -07:00
preload-index.c
pretty.c pretty: refactor format_sanitized_subject() 2020-08-28 13:52:51 -07:00
pretty.h pretty: refactor format_sanitized_subject() 2020-08-28 13:52:51 -07:00
prio-queue.c
prio-queue.h
progress.c Merge branch 'ma/stop-progress-null-fix' 2020-08-17 17:02:48 -07:00
progress.h progress.c: silence cgcc suggestion about internal linkage 2020-04-27 11:21:28 -07:00
promisor-remote.c promisor-remote: remove unused variable 2020-09-21 22:32:49 -07:00
promisor-remote.h promisor-remote: remove unused variable 2020-09-21 22:32:49 -07:00
prompt.c interactive: explicitly fflush stdout before expecting input 2020-04-10 10:27:16 -07:00
prompt.h interactive: refactor code asking the user for interactive input 2020-04-10 10:26:31 -07:00
protocol.c protocol: re-enable v2 protocol by default 2020-09-25 11:40:42 -07:00
protocol.h
prune-packed.c Lib-ify prune-packed 2020-03-24 15:04:44 -07:00
prune-packed.h Lib-ify prune-packed 2020-03-24 15:04:44 -07:00
quote.c quote: turn 'nodq' parameter into a set of flags 2020-09-10 13:08:07 -07:00
quote.h quote: turn 'nodq' parameter into a set of flags 2020-09-10 13:08:07 -07:00
range-diff.c Use new HASHMAP_INIT macro to simplify hashmap initialization 2020-11-11 12:55:27 -08:00
range-diff.h strvec: convert remaining callers away from argv_array name 2020-07-28 15:02:18 -07:00
reachable.c pack-bitmap: basic noop bitmap filter infrastructure 2020-02-14 10:46:22 -08:00
reachable.h
read-cache.c read-cache: try not to peek into struct {lock_,temp}file 2021-01-06 13:53:32 -08:00
README.md ci: retire the Azure Pipelines definition 2020-04-10 10:30:40 -07:00
rebase-interactive.c Merge branch 'rt/format-zero-length-fix' 2020-03-09 11:21:21 -07:00
rebase-interactive.h Merge branch 'en/rebase-backend' 2020-03-02 15:07:19 -08:00
rebase.c pull --rebase/remote rename: document and honor single-letter abbreviations rebase types 2020-02-10 10:52:10 -08:00
rebase.h pull --rebase/remote rename: document and honor single-letter abbreviations rebase types 2020-02-10 10:52:10 -08:00
ref-filter.c branch: show "HEAD detached" first under reverse sort 2021-01-07 15:13:21 -08:00
ref-filter.h branch: sort detached HEAD based on a flag 2021-01-07 15:13:21 -08:00
reflog-walk.c
reflog-walk.h
refs.c init: provide useful advice about init.defaultBranch 2020-12-13 15:53:51 -08:00
refs.h get_default_branch_name(): prepare for showing some advice 2020-12-13 15:53:50 -08:00
refspec.c Merge branch 'fc/atmark-in-refspec' 2020-12-14 10:21:36 -08:00
refspec.h Merge branch 'sb/clone-origin' 2020-10-27 15:09:50 -07:00
RelNotes Git 2.30.2 2021-02-12 15:51:13 +01:00
remote-curl.c push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
remote.c Merge branch 'nk/refspecs-negative-fix' 2020-12-23 13:59:46 -08:00
remote.h Merge branch 'sk/force-if-includes' 2020-10-27 15:09:49 -07:00
replace-object.c replace-object: make replace operations thread-safe 2020-01-17 13:52:14 -08:00
replace-object.h replace-object: make replace operations thread-safe 2020-01-17 13:52:14 -08:00
repo-settings.c Merge branch 'ds/maintenance-part-2' 2020-10-27 15:09:47 -07:00
repository.c repository: enable SHA-256 support by default 2020-07-30 09:16:49 -07:00
repository.h Merge branch 'ds/maintenance-part-2' 2020-10-27 15:09:47 -07:00
rerere.c
rerere.h
reset.c Merge branch 'dl/merge-autostash' 2020-04-29 16:15:27 -07:00
reset.h reset: extract reset_head() from rebase 2020-04-10 09:28:02 -07:00
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'jk/log-cherry-pick-duplicate-patches' into maint 2021-02-05 16:31:28 -08:00
revision.h format-patch: make output filename configurable 2020-11-09 17:44:41 -08:00
run-command.c Sync with 2.29.3 2021-02-12 15:51:12 +01:00
run-command.h maintenance: replace run_auto_gc() 2020-09-17 11:30:05 -07:00
send-pack.c Merge branch 'js/trace2-session-id' 2020-12-08 15:11:20 -08:00
send-pack.h
sequencer.c Merge branch 'en/strmap' 2020-11-21 15:14:38 -08:00
sequencer.h Merge branch 'en/merge-ort-api-null-impl' 2020-11-18 13:32:53 -08:00
serve.c upload-pack, serve: log received client session ID 2020-11-11 18:26:53 -08:00
serve.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
server-info.c
setup.c Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
sh-i18n--envsubst.c
sha1-file.c apply: don't use core.sharedRepository to create working tree files 2020-12-02 14:35:51 -08:00
sha1-lookup.c
sha1-lookup.h
sha1-name.c wt-status: tolerate dangling marks 2020-09-02 14:39:25 -07:00
sha1dc_git.c
sha1dc_git.h
shallow.c Merge branch 'sg/commit-graph-cleanups' into master 2020-07-30 13:20:30 -07:00
shallow.h shallow: use struct 'shallow_lock' for additional safety 2020-04-30 14:19:13 -07:00
shell.c interactive: refactor code asking the user for interactive input 2020-04-10 10:26:31 -07:00
shortlog.h shortlog: allow multiple groups to be specified 2020-09-27 12:21:05 -07:00
sideband.c Merge branch 'jk/sideband-more-error-checking' 2020-11-09 14:06:29 -08:00
sideband.h sideband: diagnose more sideband anomalies 2020-10-29 09:23:29 -07:00
sigchain.c
sigchain.h sigchain: move doc to sigchain.h 2019-11-18 15:21:29 +09:00
split-index.c mem-pool: use more standard initialization and finalization 2020-08-18 12:16:06 -07:00
split-index.h
stable-qsort.c
strbuf.c Merge branch 'rs/retire-strbuf-write-fd' 2020-06-29 14:17:26 -07:00
strbuf.h Merge branch 'rs/retire-strbuf-write-fd' 2020-06-29 14:17:26 -07:00
streaming.c streaming: allow open_istream() to handle any repo 2020-01-31 10:45:39 -08:00
streaming.h streaming: allow open_istream() to handle any repo 2020-01-31 10:45:39 -08:00
string-list.c
string-list.h Merge branch 'en/string-list-can-be-custom-sorted' into maint 2020-02-14 12:42:27 -08:00
strmap.c strmap: take advantage of FLEXPTR_ALLOC_STR when relevant 2020-11-11 12:55:27 -08:00
strmap.h strmap: make callers of strmap_remove() to call it in void context 2020-12-15 15:30:44 -08:00
strvec.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
strvec.h strvec: rename struct fields 2020-07-30 19:18:06 -07:00
sub-process.c strvec: convert remaining callers away from argv_array name 2020-07-28 15:02:18 -07:00
sub-process.h
submodule-config.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
submodule-config.h submodule-config: add skip_if_read option to repo_read_gitmodules() 2020-01-17 13:52:14 -08:00
submodule.c submodules: fix of regression on fetching of non-init subsub-repo 2020-12-09 12:32:07 -08:00
submodule.h submodule: rename helper functions to avoid ambiguity 2020-08-12 14:12:58 -07:00
symlinks.c Sync with 2.20.5 2021-02-12 15:49:35 +01:00
tag.c object: drop parsed_object_pool->commit_count 2020-06-17 14:37:14 -07:00
tag.h
tar.h
tempfile.c tempfile.c: introduce 'create_tempfile_mode' 2020-04-27 11:27:35 -07:00
tempfile.h tempfile.c: introduce 'create_tempfile_mode' 2020-04-27 11:27:35 -07:00
thread-utils.c
thread-utils.h
tmp-objdir.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
tmp-objdir.h
trace.c http, imap-send: stop using CURLOPT_VERBOSE 2020-05-11 11:18:01 -07:00
trace.h http, imap-send: stop using CURLOPT_VERBOSE 2020-05-11 11:18:01 -07:00
trace2.c trace2: add a public function for getting the SID 2020-11-11 18:26:52 -08:00
trace2.h trace2: add a public function for getting the SID 2020-11-11 18:26:52 -08:00
trailer.c Merge branch 'jk/shortlog-group-by-trailer' 2020-10-04 12:49:14 -07:00
trailer.h trailer: add interface for iterating over commit trailers 2020-09-27 12:21:05 -07:00
transport-helper.c push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
transport-internal.h strvec: convert remaining callers away from argv_array name 2020-07-28 15:02:18 -07:00
transport.c transport: log received server session ID 2020-11-11 18:26:53 -08:00
transport.h push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
tree-diff.c bloom/diff: properly short-circuit on max_changes 2020-09-17 09:31:25 -07:00
tree-walk.c tree-walk.c: don't match submodule entries for 'submod/anything' 2020-06-08 12:28:48 -07:00
tree-walk.h tree-walk.c: break circular dependency with unpack-trees 2020-02-04 10:32:15 -08:00
tree.c object: drop parsed_object_pool->commit_count 2020-06-17 14:37:14 -07:00
tree.h
unicode-width.h unicode: update the width tables to Unicode 13.0 2020-03-17 15:06:37 -07:00
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Sync with 2.28.1 2021-02-12 15:50:14 +01:00
unpack-trees.h strvec: convert remaining callers away from argv_array name 2020-07-28 15:02:18 -07:00
upload-pack.c Merge branch 'tb/partial-clone-filters-fix' 2020-12-17 15:06:40 -08:00
upload-pack.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
url.c
url.h
urlmatch.c credential: handle credential.<partial-URL>.<key> again 2020-04-24 15:53:46 -07:00
urlmatch.h credential: handle credential.<partial-URL>.<key> again 2020-04-24 15:53:46 -07:00
usage.c Merge branch 'jt/trace-error-on-warning' 2020-12-08 15:11:17 -08:00
userdiff.c Merge branch 've/userdiff-bash' 2020-11-02 13:17:46 -08:00
userdiff.h
utf8.c
utf8.h
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c Merge branch 'rs/show-progress-in-dumb-http-fetch' 2020-03-09 11:21:21 -07:00
walker.h remote-curl: show progress for fetches over dumb HTTP 2020-03-03 13:15:40 -08:00
wildmatch.c
wildmatch.h
worktree.c Merge branch 'ma/worktree-cleanups' 2020-10-05 14:01:52 -07:00
worktree.h Merge branch 'ma/worktree-cleanups' 2020-10-05 14:01:52 -07:00
wrap-for-bin.sh
wrapper.c xrealloc: do not reuse pointer freed by zero-length realloc() 2020-09-02 12:18:14 -07:00
write-or-die.c
ws.c
wt-status.c branch: sort detached HEAD based on a flag 2021-01-07 15:13:21 -08:00
wt-status.h branch: sort detached HEAD based on a flag 2021-01-07 15:13:21 -08:00
xdiff-interface.c xdiff: avoid computing non-zero offset from NULL pointer 2020-01-28 23:13:25 -08:00
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://lore.kernel.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