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Derrick Stolee 4f6d26b167 list-objects: consume sparse tree walk 
When creating a pack-file using 'git pack-objects --revs' we provide
a list of interesting and uninteresting commits. For example, a push
operation would make the local topic branch be interesting and the
known remote refs as uninteresting. We want to discover the set of
new objects to send to the server as a thin pack.

We walk these commits until we discover a frontier of commits such
that every commit walk starting at interesting commits ends in a root
commit or unintersting commit. We then need to discover which
non-commit objects are reachable from  uninteresting commits. This
commit walk is not changing during this series.

The mark_edges_uninteresting() method in list-objects.c iterates on
the commit list and does the following:

* If the commit is UNINTERSTING, then mark its root tree and every
  object it can reach as UNINTERESTING.

* If the commit is interesting, then mark the root tree of every
  UNINTERSTING parent (and all objects that tree can reach) as
  UNINTERSTING.

At the very end, we repeat the process on every commit directly
given to the revision walk from stdin. This helps ensure we properly
cover shallow commits that otherwise were not included in the
frontier.

The logic to recursively follow trees is in the
mark_tree_uninteresting() method in revision.c. The algorithm avoids
duplicate work by not recursing into trees that are already marked
UNINTERSTING.

Add a new 'sparse' option to the mark_edges_uninteresting() method
that performs this logic in a slightly different way. As we iterate
over the commits, we add all of the root trees to an oidset. Then,
call mark_trees_uninteresting_sparse() on that oidset. Note that we
include interesting trees in this process. The current implementation
of mark_trees_unintersting_sparse() will walk the same trees as
the old logic, but this will be replaced in a later change.

Add a '--sparse' flag in 'git pack-objects' to call this new logic.
Add a new test script t/t5322-pack-objects-sparse.sh that tests this
option. The tests currently demonstrate that the resulting object
list is the same as the old algorithm. This includes a case where
both algorithms pack an object that is not needed by a remote due to
limits on the explored set of trees. When the sparse algorithm is
changed in a later commit, we will add a test that demonstrates a
change of behavior in some cases.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-17 13:44:39 -08:00
.github
block-sha1
builtin list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
ci Merge branch 'ab/dynamic-gettext-poison' 2018-11-19 16:24:39 +09:00
compat Merge branch 'ss/msvc-strcasecmp' 2018-12-01 21:41:45 +09:00
contrib Merge branch 'jc/cocci-preincr' into maint 2018-11-21 22:58:08 +09:00
Documentation list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
ewah ewok_rlw.h: add missing 'inline' to function definition 2018-10-29 10:14:19 +09:00
git-gui Merge branch 'cb/git-gui-ttk-style' 2018-04-25 13:28:49 +09:00
gitk-git
gitweb gitweb: hard-depend on the Digest::MD5 5.8 module 2018-03-05 10:52:27 -08:00
mergetools mergetools: add support for guiffy 2018-04-06 08:11:39 +09:00
negotiator Merge branch 'jt/fetch-negotiator-skipping' 2018-08-02 15:30:46 -07:00
perl Merge branch 'ab/git-svn-get-record-typofix' 2018-05-08 15:59:28 +09:00
po l10n: de.po: fix two messages 2018-12-07 19:43:07 +01:00
ppc
refs Merge branch 'nd/per-worktree-ref-iteration' 2018-11-26 23:13:43 +09:00
sha1collisiondetection@232357eb2e sha1dc: update from upstream 2018-08-02 13:54:58 -07:00
sha1dc sha1dc: update from upstream 2018-08-02 13:54:58 -07:00
t list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
templates Update shell scripts to compute empty tree object ID 2018-05-02 13:59:53 +09:00
vcs-svn headers: normalize the spelling of some header guards 2018-10-18 13:39:35 +09:00
xdiff xdiff: provide a separate emit callback for hunks 2018-11-02 20:43:02 +09:00
.clang-format editorconfig: indicate settings should be kept in sync 2018-10-09 18:34:15 +09:00
.editorconfig editorconfig: indicate settings should be kept in sync 2018-10-09 18:34:15 +09:00
.gitattributes build: fix broken command-list.h generation with core.autocrlf 2018-11-12 16:39:17 +09:00
.gitignore Merge branch 'ag/rebase-i-in-c' 2018-11-02 11:04:53 +09:00
.gitmodules
.mailmap Merge branch 'jn/mailmap-update' into maint 2018-11-21 22:57:47 +09:00
.travis.yml Merge branch 'ab/dynamic-gettext-poison' 2018-11-19 16:24:39 +09:00
.tsan-suppressions
abspath.c
aclocal.m4
advice.c reset: warn when refresh_index() takes more than 2 seconds 2018-10-24 11:57:08 +09:00
advice.h reset: warn when refresh_index() takes more than 2 seconds 2018-10-24 11:57:08 +09:00
alias.c completion: add and use --list-cmds=alias 2018-05-21 13:23:14 +09:00
alias.h headers: normalize the spelling of some header guards 2018-10-18 13:39:35 +09:00
alloc.c alloc: make allocate_alloc_state and clear_alloc_state more consistent 2018-08-15 11:52:09 -07:00
alloc.h alloc: make allocate_alloc_state and clear_alloc_state more consistent 2018-08-15 11:52:09 -07:00
apply.c Merge branch 'js/apply-recount-allow-noop' 2018-11-18 18:23:56 +09:00
apply.h Merge branch 'en/incl-forward-decl' 2018-08-20 12:41:32 -07:00
archive-tar.c Upcast size_t variables to uintmax_t when printing 2018-11-12 16:43:52 +09:00
archive-zip.c userdiff.c: remove implicit dependency on the_index 2018-09-21 09:50:58 -07:00
archive.c archive: initialize archivers earlier 2018-10-26 10:17:59 +09:00
archive.h archive: initialize archivers earlier 2018-10-26 10:17:59 +09:00
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 attr.c: remove #ifdef NO_PTHREADS 2018-11-05 13:42:11 +09:00
attr.h Make git_check_attr() a void function 2018-09-12 15:15:34 -07:00
banned.h banned.h: mark strncpy() as banned 2018-07-26 10:12:51 -07:00
base85.c
bisect.c list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
bisect.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
blame.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
blame.h blame.c: remove implicit dependency on the_index 2018-08-13 14:14:44 -07:00
blob.c blob: allow lookup_blob to handle arbitrary repositories 2018-06-29 10:43:39 -07:00
blob.h blob: allow lookup_blob to handle arbitrary repositories 2018-06-29 10:43:39 -07:00
branch.c Merge branch 'ab/unconditional-free-and-null' 2018-08-27 14:33:42 -07:00
branch.h Move definition of enum branch_track from cache.h to branch.h 2018-08-15 11:52:09 -07:00
builtin.h Merge branch 'ag/rebase-i-in-c' 2018-11-02 11:04:53 +09:00
bulk-checkin.c convert "oidcmp() == 0" to oideq() 2018-08-29 11:32:49 -07:00
bulk-checkin.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
bundle.c Merge branch 'jk/close-duped-fd-before-unlock-for-bundle' 2018-11-18 18:23:59 +09:00
bundle.h
cache-tree.c Merge branch 'jt/cache-tree-allow-missing-object-in-partial-clone' 2018-10-19 13:34:08 +09:00
cache-tree.h Merge branch 'nd/unpack-trees-with-cache-tree' 2018-09-17 13:53:53 -07:00
cache.h Merge branch 'bp/refresh-index-using-preload' 2018-11-13 22:37:26 +09:00
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-builtins.sh
check-racy.c
check_bindir
checkout.c checkout & worktree: introduce checkout.defaultRemote 2018-06-11 09:41:02 -07:00
checkout.h checkout: pass the "num_matches" up to callers 2018-06-11 09:41:01 -07:00
color.c color: protect against out-of-bounds reads and writes 2018-08-03 08:52:05 -07:00
color.h range-diff: use dim/bold cues to improve dual color mode 2018-08-13 10:44:52 -07:00
column.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
column.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
combine-diff.c Merge branch 'jk/xdiff-interface' 2018-11-13 22:37:27 +09:00
command-list.txt Merge branch 'du/cherry-is-plumbing' into maint 2018-11-21 22:58:05 +09:00
commit-graph.c Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
commit-graph.h Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
commit-reach.c commit-reach: implement get_reachable_subset 2018-11-03 00:12:06 +09:00
commit-reach.h Merge branch 'ds/add-missing-tags' 2018-11-13 22:37:24 +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-slabs: move MAYBE_UNUSED out 2018-10-24 14:52:50 +09:00
commit-slab.h commit-slab: support shared commit-slab 2018-05-21 14:07:19 +09:00
commit.c Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
commit.h Merge branch 'js/shallow-and-fetch-prune' into maint 2018-11-21 22:57:51 +09:00
common-main.c Merge branch 'dj/runtime-prefix' 2018-05-08 15:59:17 +09:00
config.c index: make index.threads=true enable ieot and eoie 2018-11-21 16:46:54 +09:00
config.h index: make index.threads=true enable ieot and eoie 2018-11-21 16:46:54 +09:00
config.mak.dev Merge branch 'jk/dev-build-format-security' into maint 2018-11-21 22:57:56 +09:00
config.mak.in
config.mak.uname Merge branch 'jk/curl-ldflags' 2018-11-18 18:23:53 +09:00
configure.ac Merge branch 'dd/poll-dot-h' 2018-11-19 16:24:41 +09:00
connect.c convert "oidcmp() == 0" to oideq() 2018-08-29 11:32:49 -07:00
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 connected: document connectivity in partial clones 2018-09-21 13:20:47 -07:00
convert.c Make git_check_attr() a void function 2018-09-12 15:15:34 -07:00
convert.h Merge branch 'en/incl-forward-decl' 2018-08-20 12:41:32 -07:00
copy.c
COPYING
credential-cache--daemon.c
credential-cache.c
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 Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
ctype.c
daemon.c Merge branch 'lw/daemon-log-destination' 2018-04-25 13:28:58 +09:00
date.c approxidate: fix NULL dereference in date_time() 2018-11-07 11:04:06 +09:00
decorate.c decorate: clean up and document API 2017-12-08 09:16:27 -08:00
decorate.h decorate: clean up and document API 2017-12-08 09:16:27 -08:00
delta-islands.c pack-objects: move 'layer' into 'struct packing_data' 2018-08-16 10:56:44 -07:00
delta-islands.h delta-islands.h: add missing forward declarations (hdr-check) 2018-09-20 11:50:43 -07:00
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 Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diff-no-index.c diff.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
diff.c Merge branch 'js/diff-notice-has-drive-prefix' into maint 2018-11-21 22:57:51 +09:00
diff.h Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore-break.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore-delta.c diff.c: reduce implicit dependency on the_index 2018-09-21 09:48:10 -07:00
diffcore-order.c
diffcore-pickaxe.c Merge branch 'jk/xdiff-interface' 2018-11-13 22:37:27 +09:00
diffcore-rename.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
diffcore.h diff.c: reduce implicit dependency on the_index 2018-09-21 09:48:10 -07:00
dir-iterator.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
dir-iterator.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
dir.c pathspec: handle non-terminated strings with :(attr) 2018-11-02 20:49:53 +09:00
dir.h dir.c: remove an implicit dependency on the_index in pathspec code 2018-08-13 14:14:42 -07:00
editor.c editor: add a function to launch the sequence editor 2018-08-10 11:56:22 -07:00
entry.c Merge branch 'nd/clone-case-smashing-warning' 2018-11-21 20:39:03 +09:00
environment.c Merge branch 'js/mingw-perl5lib' 2018-11-13 22:37:20 +09:00
exec-cmd.c exec-cmd.c: mark more strings for translation 2018-07-23 11:19:10 -07:00
exec-cmd.h Merge branch 'dj/runtime-prefix' 2018-05-08 15:59:17 +09:00
fast-import.c Upcast size_t variables to uintmax_t when printing 2018-11-12 16:43:52 +09:00
fetch-negotiator.c negotiator: unknown fetch.negotiationAlgorithm should error out 2018-08-01 11:07:47 -07:00
fetch-negotiator.h headers: normalize the spelling of some header guards 2018-10-18 13:39:35 +09:00
fetch-object.c fetch-object: set exact_oid when fetching 2018-09-13 13:57:31 -07:00
fetch-object.h fetch-object.h: add missing declaration (hdr-check) 2018-10-29 10:14:17 +09:00
fetch-pack.c fetch-pack: be more precise in parsing v2 response 2018-11-01 14:30:22 +09:00
fetch-pack.h fetch-pack: exclude blobs when lazy-fetching trees 2018-10-04 06:03:49 -07:00
fmt-merge-msg.h
fsck.c Merge branch 'jc/cocci-preincr' 2018-10-30 15:43:48 +09:00
fsck.h fsck: use oidset instead of oid_array for skipList 2018-09-12 15:17:46 -07:00
fsmonitor.c Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
fsmonitor.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
fuzz-pack-headers.c fuzz: add basic fuzz testing target. 2018-10-15 14:28:59 +09:00
fuzz-pack-idx.c fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
generate-cmdlist.sh Update makefile in preparation for Documentation/config/*.txt 2018-10-29 10:16:59 +09:00
gettext.c i18n: make GETTEXT_POISON a runtime option 2018-11-09 11:25:19 +09:00
gettext.h i18n: make GETTEXT_POISON a runtime option 2018-11-09 11:25:19 +09:00
git-add--interactive.perl Merge branch 'pw/add-p-recount' 2018-06-28 12:53:32 -07:00
git-archimport.perl
git-bisect.sh Merge branch 'sb/bisect-run-empty' 2017-11-15 12:14:36 +09:00
git-compat-util.h Merge branch 'cc/delta-islands' 2018-11-21 20:39:02 +09:00
git-cvsexportcommit.perl
git-cvsimport.perl perl: call timegm and timelocal with 4-digit year 2018-02-23 14:47:06 -08:00
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-instaweb: fix apache2 config with apache >= 2.4 2018-08-08 08:30:07 -07:00
git-legacy-rebase.sh rebase --stat: fix when rebasing to an unrelated history 2018-11-30 14:43:00 +09:00
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 mergetool: accept -g/--[no-]gui as arguments 2018-10-25 14:01:10 +09:00
git-mergetool.sh mergetool: accept -g/--[no-]gui as arguments 2018-10-25 14:01:10 +09:00
git-p4.py git-p4: fully support unshelving changelists 2018-10-16 13:28:49 +09:00
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--common.sh rebase: refactor common shell functions into their own file 2018-08-06 13:08:01 -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 Merge branch 'ag/rebase-i-in-c' 2018-11-02 11:04:53 +09:00
git-remote-testgit.sh
git-request-pull.sh
git-send-email.perl Merge branch 'nd/complete-format-patch' 2018-11-13 22:37:28 +09:00
git-sh-i18n.sh i18n: make GETTEXT_POISON a runtime option 2018-11-09 11:25:19 +09:00
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 'ao/submodule-wo-gitmodules-checked-out' 2018-11-13 22:37:22 +09:00
git-svn.perl git-svn: search --authors-prog in PATH too 2018-04-05 06:55:02 +00:00
GIT-VERSION-GEN Git 2.20 2018-12-09 13:16:21 +09:00
git-web--browse.sh
git.c Merge branch 'ag/rebase-i-in-c' 2018-11-02 11:04:53 +09:00
git.rc
gpg-interface.c Merge branch 'mg/gpg-fingerprint' 2018-11-03 00:53:58 +09:00
gpg-interface.h gpg-interface.c: obtain primary key fingerprint as well 2018-10-23 08:00:43 +09:00
graph.c Merge branch 'np/log-graph-octopus-fix' into maint 2018-11-21 22:57:49 +09:00
graph.h
grep.c grep: remove #ifdef NO_PTHREADS 2018-11-05 13:42:11 +09:00
grep.h grep: remove #ifdef NO_PTHREADS 2018-11-05 13:42:11 +09:00
hash.h hash: update obsolete reference to SHA1_HEADER 2018-02-09 09:56:10 -08:00
hashmap.c
hashmap.h Merge branch 'rb/hashmap-h-compilation-fix' into maint 2018-03-22 14:24:15 -07:00
help.c help -a: improve and make --verbose default 2018-10-03 21:23:51 -07:00
help.h sideband: highlight keywords in remote sideband output 2018-08-08 15:20:09 -07:00
hex.c hex: switch to using the_hash_algo 2018-07-16 14:27:39 -07:00
http-backend.c Merge branch 'ds/multi-pack-index' 2018-09-17 13:53:50 -07:00
http-fetch.c Merge branch 'ma/http-walker-no-partial' 2018-05-08 15:59:35 +09:00
http-push.c list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
http-walker.c convert "hashcmp() != 0" to "!hasheq()" 2018-08-29 11:32:49 -07:00
http.c i18n: fix small typos 2018-11-29 15:45:31 +09:00
http.h Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
ident.c mingw: use domain information for default email 2018-10-16 12:59:57 +09:00
imap-send.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
INSTALL RelNotes: add details on Perl module changes 2018-03-16 16:07:37 -07:00
interdiff.c interdiff: teach show_interdiff() to indent interdiff 2018-07-23 12:50:06 -07:00
interdiff.h interdiff: teach show_interdiff() to indent interdiff 2018-07-23 12:50:06 -07:00
iterator.h
json-writer.c json_writer: new routines to create JSON data 2018-07-16 13:55:39 -07:00
json-writer.h json-writer.h: add missing include (hdr-check) 2018-09-20 11:50:00 -07:00
khash.h khash: silence -Wunused-function for delta-islands 2018-10-24 14:52:50 +09:00
kwset.c Replace Free Software Foundation address in license notices 2017-11-09 13:21:21 +09:00
kwset.h Replace Free Software Foundation address in license notices 2017-11-09 13:21:21 +09:00
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c line-range.c: remove implicit dependency on the_index 2018-09-21 09:51:18 -07:00
line-log.h
line-range.c line-range.c: remove implicit dependency on the_index 2018-09-21 09:51:18 -07:00
line-range.h line-range.c: remove implicit dependency on the_index 2018-09-21 09:51:18 -07:00
linear-assignment.c linear-assignment: fix potential out of bounds memory access 2018-09-14 09:10:26 -07:00
linear-assignment.h linear-assignment: a function to solve least-cost assignment problems 2018-08-13 10:44:50 -07:00
list-objects-filter-options.c list-objects-filter: implement filter tree:0 2018-10-07 08:55:00 +09:00
list-objects-filter-options.h list-objects-filter: implement filter tree:0 2018-10-07 08:55:00 +09:00
list-objects-filter.c list-objects: support for skipping tree traversal 2018-10-18 12:49:18 +09:00
list-objects-filter.h Merge branch 'md/filter-trees' 2018-10-30 15:43:39 +09:00
list-objects.c list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
list-objects.h list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
list.h
ll-merge.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
ll-merge.h ll-merge.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
lockfile.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
lockfile.h reopen_tempfile(): truncate opened file 2018-09-05 09:46:16 -07:00
log-tree.c range-diff: always pass at least minimal diff options 2018-12-04 10:36:14 +09:00
log-tree.h format-patch: make cover letters always text/plain 2018-05-02 12:55:00 +09:00
ls-refs.c ls-refs: introduce ls-refs server command 2018-03-15 12:01:08 -07:00
ls-refs.h ls-refs: introduce ls-refs server command 2018-03-15 12:01:08 -07:00
mailinfo.c mailinfo: support format=flowed 2018-08-29 13:05:35 -07:00
mailinfo.h Merge branch 'rs/mailinfo-format-flowed' 2018-09-17 13:53:57 -07:00
mailmap.c object-store: move object access functions to object-store.h 2018-05-16 11:42:03 +09:00
mailmap.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
Makefile Merge branch 'js/mingw-o-append' into maint 2018-11-21 22:57:44 +09:00
match-trees.c convert "oidcmp() != 0" to "!oideq()" 2018-08-29 11:32:49 -07:00
mem-pool.c block alloc: add validations around cache_entry lifecyle 2018-07-03 10:58:27 -07:00
mem-pool.h block alloc: add validations around cache_entry lifecyle 2018-07-03 10:58:27 -07:00
merge-blobs.c merge-blobs.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
merge-blobs.h merge-blobs.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
merge-recursive.c Merge branch 'en/double-semicolon-fix' into maint 2018-11-21 22:57:55 +09:00
merge-recursive.h Merge branch 'en/directory-renames-nothanks' 2018-09-04 14:31:38 -07:00
merge.c merge.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
mergesort.c
mergesort.h
midx.c i18n: fix small typos 2018-11-29 15:45:31 +09:00
midx.h Merge branch 'ds/test-multi-pack-index' 2018-11-13 22:37:19 +09:00
name-hash.c Clean up pthread_create() error handling 2018-11-05 13:42:11 +09:00
notes-cache.c commit: add repository argument to lookup_commit_reference_gently 2018-06-29 10:43:39 -07:00
notes-cache.h
notes-merge.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
notes-merge.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
notes-utils.c commit: add repository argument to lookup_commit 2018-06-29 10:43:39 -07:00
notes-utils.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
notes.c convert "oidcmp() != 0" to "!oideq()" 2018-08-29 11:32:49 -07:00
notes.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
object-store.h packfile: add all_packs list 2018-08-20 15:31:40 -07:00
object.c convert "hashcmp() == 0" to hasheq() 2018-08-29 11:32:49 -07:00
object.h revision.c: generation-based topo-order algorithm 2018-11-02 12:14:22 +09:00
oidmap.c convert hashmap comparison functions to oideq() 2018-08-29 11:32:49 -07:00
oidmap.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
oidset.c oidset: uninline oidset_init() 2018-10-04 11:12:14 -07:00
oidset.h oidset: uninline oidset_init() 2018-10-04 11:12:14 -07:00
pack-bitmap-write.c Merge branch 'bc/hash-transition-part-15' 2018-10-30 15:43:42 +09:00
pack-bitmap.c Merge branch 'jk/pack-objects-with-bitmap-fix' 2018-09-17 13:53:58 -07:00
pack-bitmap.h bitmap_has_sha1_in_uninteresting(): drop BUG check 2018-09-04 08:30:48 -07:00
pack-check.c convert "hashcmp() != 0" to "!hasheq()" 2018-08-29 11:32:49 -07:00
pack-objects.c Merge branch 'js/pack-objects-mutex-init-fix' 2018-10-30 15:43:43 +09:00
pack-objects.h Merge branch 'cc/delta-islands' 2018-11-21 20:39:02 +09:00
pack-revindex.c pack-revindex: express constants in terms of the_hash_algo 2018-10-15 12:53:15 +09:00
pack-revindex.h
pack-write.c convert "hashcmp() != 0" to "!hasheq()" 2018-08-29 11:32:49 -07:00
pack.h csum-file: rename sha1file to hashfile 2018-02-02 11:28:41 -08:00
packfile.c Merge branch 'ds/test-multi-pack-index' 2018-11-13 22:37:19 +09:00
packfile.h fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
pager.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
parse-options-cb.c assert NOARG/NONEG behavior of parse-options callbacks 2018-11-06 12:56:29 +09:00
parse-options.c Merge branch 'rs/parse-opt-lithelp' 2018-08-17 13:09:56 -07:00
parse-options.h assert NOARG/NONEG behavior of parse-options callbacks 2018-11-06 12:56:29 +09:00
patch-delta.c patch-delta: handle truncated copy parameters 2018-08-30 10:30:23 -07:00
patch-ids.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
patch-ids.h patch-ids.c: remove implicit dependency on the_index 2018-09-21 09:48:11 -07:00
path.c Merge branch 'tb/char-may-be-unsigned' into maint 2018-11-21 22:58:09 +09:00
path.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
pathspec.c pathspec.c: use the right index instead of the_index 2018-08-13 14:14:43 -07:00
pathspec.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
pkt-line.c pkt-line.c: mark more strings for translation 2018-07-23 11:19:10 -07:00
pkt-line.h pkt-line: add packet_buf_write_len function 2018-03-15 12:01:09 -07:00
preload-index.c Merge branch 'nd/pthreads' 2018-11-18 18:23:52 +09:00
pretty.c Merge branch 'jk/trailer-fixes' into maint 2018-11-21 22:57:42 +09:00
pretty.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
prio-queue.c prio-queue: add 'peek' operation 2018-11-02 12:14:21 +09:00
prio-queue.h prio-queue: add 'peek' operation 2018-11-02 12:14:21 +09:00
progress.c Merge branch 'en/rename-progress' 2017-12-19 11:33:55 -08:00
progress.h progress: fix progress meters when dealing with lots of work 2017-11-15 13:11:25 +09:00
prompt.c
prompt.h
protocol.c protocol: introduce enum protocol_version value protocol_v2 2018-03-14 14:15:07 -07:00
protocol.h protocol: introduce enum protocol_version value protocol_v2 2018-03-14 14:15:07 -07:00
quote.c Merge branch 'jk/sq-dequote-on-bogus-input' 2018-02-27 10:34:02 -08:00
quote.h trace: avoid unnecessary quoting 2018-01-16 12:16:54 -08:00
range-diff.c format-patch: do not let its diff-options affect --range-diff 2018-11-30 13:47:55 +09:00
range-diff.h format-patch: do not let its diff-options affect --range-diff 2018-11-30 13:47:55 +09:00
reachable.c tree: add repository argument to lookup_tree 2018-06-29 10:43:38 -07:00
reachable.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
read-cache.c Merge branch 'cc/shared-index-permbits' 2018-11-21 20:39:03 +09:00
README.md note git-security@googlegroups.com in more places 2018-06-01 09:24:11 +09:00
rebase-interactive.c rebase -i: introduce the 'break' command 2018-10-12 23:03:04 +09:00
rebase-interactive.h rebase -i: remove unused modes and functions 2018-08-29 13:38:18 -07:00
ref-filter.c Merge branch 'jk/trailer-fixes' into maint 2018-11-21 22:57:42 +09:00
ref-filter.h Merge branch 'ot/libify-get-ref-atom-value' 2018-05-08 15:59:18 +09:00
reflog-walk.c Merge branch 'nd/i18n' 2018-08-15 15:08:23 -07:00
reflog-walk.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
refs.c Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
refs.h Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
refspec.c refspec.c: mark more strings for translation 2018-07-23 11:19:10 -07:00
refspec.h refspec: add back a refspec_item_init() function 2018-06-11 10:11:31 -07:00
RelNotes Git 2.19.2 2018-11-21 23:22:12 +09:00
remote-curl.c Merge branch 'en/double-semicolon-fix' into maint 2018-11-21 22:57:55 +09:00
remote-testsvn.c Merge branch 'sb/object-store-grafts' 2018-07-18 12:20:28 -07:00
remote.c remote: make add_missing_tags() linear 2018-11-03 00:12:06 +09:00
remote.h Merge branch 'ds/reachable' 2018-09-17 13:53:52 -07:00
replace-object.c Merge branch 'ds/commit-graph-with-grafts' into maint 2018-11-21 22:57:47 +09:00
replace-object.h commit-graph: not compatible with replace objects 2018-08-21 10:22:51 -07:00
repository.c Merge branch 'sb/object-store-alloc' 2018-06-25 13:22:38 -07:00
repository.h Merge branch 'en/incl-forward-decl' 2018-08-20 12:41:32 -07:00
rerere.c Merge branch 'en/rerere-multi-stage-1-fix' into maint 2018-11-21 22:57:44 +09:00
rerere.h rerere.c: remove implicit dependency on the_index 2018-09-21 09:48:11 -07:00
resolve-undo.c resolve-undo.c: use the right index instead of the_index 2018-08-13 14:14:44 -07:00
resolve-undo.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
revision.c revision: add mark_tree_uninteresting_sparse 2019-01-17 13:44:37 -08:00
revision.h revision: add mark_tree_uninteresting_sparse 2019-01-17 13:44:37 -08:00
run-command.c Merge branch 'nd/pthreads' 2018-11-18 18:23:52 +09:00
run-command.h send-pack.c: move async's #ifdef NO_PTHREADS back to run-command.c 2018-11-05 13:42:11 +09:00
send-pack.c send-pack.c: move async's #ifdef NO_PTHREADS back to run-command.c 2018-11-05 13:42:11 +09:00
send-pack.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
sequencer.c Merge branch 'rs/sequencer-oidset-insert-avoids-dups' into maint 2018-11-21 22:58:02 +09:00
sequencer.h Merge branch 'jk/trailer-fixes' into maint 2018-11-21 22:57:42 +09:00
serve.c serve: introduce the server-option capability 2018-04-24 11:24:40 +09:00
serve.h serve: introduce git-serve 2018-03-15 12:01:08 -07:00
server-info.c treewide: use get_all_packs 2018-08-20 15:31:40 -07:00
setup.c worktree: add per-worktree config files 2018-10-22 13:17:04 +09:00
sh-i18n--envsubst.c Replace Free Software Foundation address in license notices 2017-11-09 13:21:21 +09:00
sha1-array.c convert "oidcmp() == 0" to oideq() 2018-08-29 11:32:49 -07:00
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 'jk/detect-truncated-zlib-input' into maint 2018-11-21 22:57:52 +09:00
sha1-lookup.c Replace all die("BUG: ...") calls by BUG() ones 2018-05-06 19:06:13 +09:00
sha1-lookup.h packfile: refactor hash search with fanout table 2018-02-15 13:08:55 -08:00
sha1-name.c Merge branch 'jk/cocci' 2018-09-17 13:53:57 -07:00
sha1dc_git.c
sha1dc_git.h sha1dc_git.h: re-arrange an ifdef chain for a subsequent change 2017-12-08 15:01:01 -08:00
shallow.c Merge branch 'js/shallow-and-fetch-prune' 2018-11-06 15:50:18 +09:00
shell.c Merge branch 'nd/command-list' 2018-06-01 15:06:37 +09:00
shortlog.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
sideband.c sideband: do not read beyond the end of input 2018-08-18 09:16:48 -07:00
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: BUG() when cache entry refers to non-existing shared entry 2018-10-12 07:23:29 +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 'pk/rebase-in-c-3-acts' 2018-11-02 11:04:54 +09:00
strbuf.h Merge branch 'pk/rebase-in-c-3-acts' 2018-11-02 11:04:54 +09:00
streaming.c read_istream_pack_non_delta(): document input handling 2018-10-31 14:32:30 +09:00
streaming.h streaming: convert open_istream to use struct object_id 2018-03-14 09:23:49 -07:00
string-list.c Merge branch 'sb/string-list-remove-unused' into maint 2018-11-21 22:57:56 +09:00
string-list.h string-list: remove unused function print_string_list 2018-09-11 12:27:58 -07:00
sub-process.c
sub-process.h Docs: split out long-running subprocess handshake 2018-01-25 11:24:32 -08:00
submodule-config.c Merge branch 'ao/submodule-wo-gitmodules-checked-out' 2018-11-13 22:37:22 +09:00
submodule-config.h submodule: factor out a config_set_in_gitmodules_file_gently function 2018-10-09 12:40:20 +09:00
submodule.c Merge branch 'sm/show-superproject-while-conflicted' into maint 2018-11-21 22:57:48 +09:00
submodule.h Merge branch 'ao/submodule-wo-gitmodules-checked-out' 2018-11-13 22:37:22 +09:00
symlinks.c
tag.c tag: express constant in terms of the_hash_algo 2018-10-15 12:53:16 +09:00
tag.h tag.c: allow deref_tag to handle arbitrary repositories 2018-06-29 10:43:40 -07:00
tar.h
tempfile.c reopen_tempfile(): truncate opened file 2018-09-05 09:46:16 -07:00
tempfile.h Merge branch 'jk/reopen-tempfile-truncate' into maint 2018-11-21 22:57:43 +09:00
thread-utils.c thread-utils: macros to unconditionally compile pthreads API 2018-10-29 11:22:48 +09:00
thread-utils.h thread-utils: macros to unconditionally compile pthreads API 2018-10-29 11:22:48 +09:00
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.h: support nested performance tracing 2018-08-18 09:47:46 -07:00
trace.h trace.h: support nested performance tracing 2018-08-18 09:47:46 -07:00
trailer.c interpret-trailers: allow suppressing "---" divider 2018-08-23 10:08:51 -07:00
trailer.h Merge branch 'jk/trailer-fixes' into maint 2018-11-21 22:57:42 +09:00
transport-helper.c Merge branch 'nd/n18n-fix' 2018-11-29 16:28:39 +09:00
transport-internal.h transport: list refs before fetch if necessary 2018-10-07 09:53:19 +09:00
transport.c Merge branch 'nd/submodule-unused-vars' 2018-11-06 15:50:20 +09:00
transport.h transport: drop refnames from for_each_alternate_ref 2018-10-09 14:30:02 +09:00
tree-diff.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
tree-walk.c Merge branch 'nd/tree-walk-path-exclusion' 2018-11-13 22:37:28 +09:00
tree-walk.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
tree.c Merge branch 'jm/cache-entry-from-mem-pool' 2018-08-02 15:30:43 -07:00
tree.h tree: allow lookup_tree to handle arbitrary repositories 2018-06-29 10:43:39 -07:00
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
unpack-trees.c unpack-trees: avoid dead store for struct progress 2018-10-19 11:16:52 +09:00
unpack-trees.h Merge branch 'nd/clone-case-smashing-warning' 2018-09-17 13:53:47 -07:00
upload-pack.c Merge branch 'jk/uploadpack-packobjectshook-fix' into maint 2018-11-21 22:58:09 +09:00
upload-pack.h fetch-pack: perform a fetch using v2 2018-03-15 12:01:08 -07:00
url.c
url.h Add missing includes and forward declarations 2018-08-15 11:52:09 -07:00
urlmatch.c
urlmatch.h urlmatch.h: fix include guard 2018-08-15 11:52:09 -07:00
usage.c Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
userdiff.c Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
userdiff.h userdiff.c: remove implicit dependency on the_index 2018-09-21 09:50:58 -07:00
utf8.c Merge branch 'jk/size-t' 2018-08-15 15:08:25 -07:00
utf8.h Merge branch 'en/incl-forward-decl' 2018-08-20 12:41:32 -07:00
varint.c
varint.h
version.c version --build-options: report commit, too, if possible 2017-12-14 22:53:04 -08:00
version.h version --build-options: report commit, too, if possible 2017-12-14 22:53:04 -08:00
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: change behavior of "foo**bar" in WM_PATHNAME mode 2018-10-29 13:19:22 +09:00
wildmatch.h wildmatch: change behavior of "foo**bar" in WM_PATHNAME mode 2018-10-29 13:19:22 +09:00
worktree.c Merge branch 'nd/per-worktree-ref-iteration' 2018-11-13 22:37:26 +09:00
worktree.h Merge branch 'nd/per-worktree-ref-iteration' 2018-11-13 22:37:26 +09:00
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 Merge branch 'nd/the-index' 2018-10-19 13:34:02 +09:00
wt-status.c status: rebase and merge can be in progress at the same time 2018-11-13 12:04:00 +09:00
wt-status.h roll wt_status_state into wt_status and populate in the collect phase 2018-10-03 23:38:20 -07:00
xdiff-interface.c Merge branch 'jk/xdiff-interface' 2018-11-13 22:37:27 +09:00
xdiff-interface.h xdiff-interface: drop parse_hunk_header() 2018-11-05 13:14:35 +09:00
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