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Derrick Stolee 6e773527b6 sparse-index: convert from full to sparse 
If we have a full index, then we can convert it to a sparse index by
replacing directories outside of the sparse cone with sparse directory
entries. The convert_to_sparse() method does this, when the situation is
appropriate.

For now, we avoid converting the index to a sparse index if:

 1. the index is split.
 2. the index is already sparse.
 3. sparse-checkout is disabled.
 4. sparse-checkout does not use cone mode.

Finally, we currently limit the conversion to when the
GIT_TEST_SPARSE_INDEX environment variable is enabled. A mode using Git
config will be added in a later change.

The trickiest thing about this conversion is that we might not be able
to mark a directory as a sparse directory just because it is outside the
sparse cone. There might be unmerged files within that directory, so we
need to look for those. Also, if there is some strange reason why a file
is not marked with CE_SKIP_WORKTREE, then we should give up on
converting that directory. There is still hope that some of its
subdirectories might be able to convert to sparse, so we keep looking
deeper.

The conversion process is assisted by the cache-tree extension. This is
calculated from the full index if it does not already exist. We then
abandon the cache-tree as it no longer applies to the newly-sparse
index. Thus, this cache-tree will be recalculated in every
sparse-full-sparse round-trip until we integrate the cache-tree
extension with the sparse index.

Some Git commands use the index after writing it. For example, 'git add'
will update the index, then write it to disk, then read its entries to
report information. To keep the in-memory index in a full state after
writing, we re-expand it to a full one after the write. This is wasteful
for commands that only write the index and do not read from it again,
but that is only the case until we make those commands "sparse aware."

We can compare the behavior of the sparse-index in
t1092-sparse-checkout-compability.sh by using GIT_TEST_SPARSE_INDEX=1
when operating on the 'sparse-index' repo. We can also compare the two
sparse repos directly, such as comparing their indexes (when expanded to
full in the case of the 'sparse-index' repo). We also verify that the
index is actually populated with sparse directory entries.

The 'checkout and reset (mixed)' test is marked for failure when
comparing a sparse repo to a full repo, but we can compare the two
sparse-checkout cases directly to ensure that we are not changing the
behavior when using a sparse index.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30 12:57:47 -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 sparse-checkout: hold pattern list in index 2021-03-30 12:57:46 -07:00
ci Merge branch 'tb/pack-revindex-on-disk' 2021-02-12 14:21:04 -08:00
compat Merge branch 'jk/open-returns-eintr' 2021-03-04 15:34:45 -08:00
contrib Merge branch 'jk/complete-branch-force-delete' 2021-02-12 14:21:04 -08:00
Documentation sparse-index: add 'sdir' index extension 2021-03-30 12:57:46 -07:00
ewah bitmap: implement bitmap_is_subset() 2020-12-08 14:48:16 -08:00
git-gui Merge https://github.com/prati0100/git-gui 2021-03-04 12:38:50 -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 mergetools/vimdiff: add vimdiff1 merge tool variant 2021-02-23 11:37:13 -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 tests: remove support for GIT_TEST_GETTEXT_POISON 2021-01-21 15:50:01 -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 sparse-index: convert from full to sparse 2021-03-30 12:57:47 -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 CoC: explicitly take any whitespace breakage 2021-01-04 09:44:49 -08:00
.gitignore Merge branch 'fc/random-cleanup' 2020-12-08 15:11:21 -08:00
.gitmodules sha1dc: optionally use sha1collisiondetection as a submodule 2017-07-03 10:09:34 -07:00
.mailmap Merge branch 'bc/wildcard-credential' 2020-03-05 10:43:02 -08:00
.travis.yml ci: remove GETTEXT_POISON jobs 2021-01-21 15:50:00 -08:00
.tsan-suppressions replace-object: make replace operations thread-safe 2020-01-17 13:52:14 -08:00
abspath.c abspath: add a function to resolve paths with missing components 2020-12-12 23:35:47 -08:00
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.c: mark split_cmdline_strerror() strings for translation 2018-11-12 14:47:09 +09:00
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 tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
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
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 'js/params-vs-args' 2021-02-25 16:43:32 -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 blob: allow lookup_blob to handle arbitrary repositories 2018-06-29 10:43:39 -07:00
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: zero-initialize hashfile_checkpoint 2019-09-06 11:03:39 -07:00
bulk-checkin.h *.[ch]: manually align parameter lists 2019-05-05 15:20:10 +09:00
bundle.c bundle: arguments can be read from stdin 2021-01-11 21:50:41 -08:00
bundle.h Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
cache-tree.c sparse-index: convert from full to sparse 2021-03-30 12:57:47 -07:00
cache-tree.h cache-tree: extract subtree_pos() 2021-01-23 17:14:07 -08:00
cache.h sparse-index: convert from full to sparse 2021-03-30 12:57:47 -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_bindir: avoid "test <cond> -a/-o <cond>" 2014-06-09 14:47:06 -07:00
check-builtins.sh
checkout.c config: drop git_config_get_string_const() 2020-08-17 15:35:47 -07:00
checkout.h
chunk-format.c chunk-format: restore duplicate chunk checks 2021-02-18 13:38:16 -08:00
chunk-format.h chunk-format: create read chunk API 2021-02-18 13:38:16 -08:00
CODE_OF_CONDUCT.md CoC: update to version 2.0 + local changes 2021-01-13 17:45:04 -08:00
color.c color.c: alias RGB colors 8-15 to aixterm colors 2020-02-11 11:19:00 -08:00
color.h range-diff: use dim/bold cues to improve dual color mode 2018-08-13 10:44:52 -07:00
column.c Merge branch 'jk/strvec' 2020-08-10 10:23:57 -07:00
column.h *.[ch]: manually align parameter lists 2019-05-05 15:20:10 +09:00
combine-diff.c Merge branch 'jk/diff-cc-oidfind-fix' 2020-10-05 14:01:55 -07:00
command-list.txt mailmap doc: create a new "gitmailmap(5)" man page 2021-01-12 14:04:39 -08:00
commit-graph.c Merge branch 'ds/chunked-file-api' 2021-03-01 14:02:57 -08:00
commit-graph.h commit-reach: use corrected commit dates in paint_down_to_common() 2021-01-18 16:21:18 -08:00
commit-reach.c commit-reach: stale commits may prune generation further 2021-02-22 13:34:34 -08:00
commit-reach.h commit-graph: return 64-bit generation number 2021-01-18 16:21:18 -08:00
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 Merge branch 'bc/signed-objects-with-both-hashes' 2021-02-22 16:12:42 -08:00
commit.h Merge branch 'bc/signed-objects-with-both-hashes' 2021-02-22 16:12:42 -08:00
common-main.c common-main: delay trace2 initialization 2019-08-06 13:09:01 -07:00
config.c Merge branch 'ak/config-bad-bool-error' 2021-02-17 17:21:43 -08:00
config.h Merge branch 'ps/config-env-pairs' 2021-01-25 14:19:19 -08:00
config.mak.dev Merge branch 'jc/sparse-error-for-developer-build' 2020-11-18 13:32:54 -08:00
config.mak.in Merge branch 'jc/remove-export-from-config-mak-in' 2013-04-01 09:00:02 -07:00
config.mak.uname Merge branch 'jk/open-returns-eintr' 2021-03-04 15:34:45 -08:00
configure.ac Remove support for v1 of the PCRE library 2021-01-23 21:15:43 -08:00
connect.c Merge branch 'jt/clone-unborn-head' 2021-02-17 17:21:40 -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 Update COPYING with GPLv2 with new FSF address 2010-01-17 14:29:37 -08:00
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 kwset: use unsigned char to store values with high-bit set 2015-03-02 12:32:24 -08:00
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 *.[ch]: remove extern from function declarations using spatch 2019-05-05 15:20:06 +09:00
delta-islands.c oid_array: rename source file from sha1-array 2020-03-30 10:59:08 -07:00
delta-islands.h delta-islands: respect progress flag 2019-06-20 13:29:49 -07:00
delta.h *.[ch]: manually align parameter lists 2019-05-05 15:20:10 +09:00
detect-compiler Makefile: detect compiler and enable more warnings in DEVELOPER=1 2018-04-16 13:54:53 +09:00
diff-delta.c diff-delta: set size out-parameter to 0 for NULL delta 2019-09-06 11:03:39 -07:00
diff-lib.c Merge branch 'rs/plug-diff-cache-leak' 2020-11-25 15:24:53 -08:00
diff-merges.c diff-merges: add '--diff-merges=1' as synonym for 'first-parent' 2020-12-21 13:47:32 -08:00
diff-merges.h diff-merges: get rid of now empty diff_merges_init_revs() 2020-12-21 13:47:31 -08:00
diff-no-index.c Merge branch 'nd/diff-parseopt-4' 2019-04-25 16:41:12 +09:00
diff.c Merge branch 'jc/diffcore-rotate' 2021-02-25 16:43:30 -08:00
diff.h Merge branch 'jc/diffcore-rotate' 2021-02-25 16:43:30 -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 diffcore-rename: guide inexact rename detection based on basenames 2021-02-15 18:02:16 -08:00
diffcore-rotate.c diff: --{rotate,skip}-to=<path> 2021-02-16 09:30:42 -08:00
diffcore.h diff: --{rotate,skip}-to=<path> 2021-02-16 09:30:42 -08:00
dir-iterator.c
dir-iterator.h
dir.c Merge branch 'jh/untracked-cache-fix' 2021-03-01 14:02:58 -08:00
dir.h sparse-checkout: load sparse-checkout patterns 2021-01-23 17:14:07 -08:00
editor.c config: fix leaks from git_config_get_string_const() 2020-08-14 10:52:04 -07:00
entry.c write_entry(): fix misuses of path in error messages 2021-02-16 11:27:17 -08:00
environment.c config: allow specifying config entries via envvar pairs 2021-01-15 13:03:45 -08:00
environment.h environment: make getenv_safe() a public function 2021-01-15 13:03:45 -08:00
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 'jt/transfer-fsck-across-packs' 2021-03-01 14:02:57 -08:00
fetch-pack.h Merge branch 'jt/lazy-fetch' 2020-09-03 12:37:04 -07:00
fmt-merge-msg.c Merge branch 'bc/signed-objects-with-both-hashes' 2021-02-22 16:12:42 -08:00
fmt-merge-msg.h Lib-ify fmt-merge-msg 2020-03-24 15:04:43 -07:00
fsck.c Merge branch 'jt/transfer-fsck-across-packs' 2021-03-01 14:02:57 -08:00
fsck.h Merge branch 'jt/transfer-fsck-across-packs' 2021-03-01 14:02:57 -08:00
fsmonitor.c Merge branch 'jh/fsmonitor-prework' 2021-03-01 14:02:56 -08:00
fsmonitor.h fsmonitor: log invocation of FSMonitor hook to trace2 2021-02-16 17:14:34 -08:00
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 fuzz: add fuzz testing for packfile indices. 2018-10-15 14:29:03 +09:00
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 Merge branch 'ab/detox-gettext-tests' 2021-02-10 14:48:33 -08:00
gettext.h tests: remove support for GIT_TEST_GETTEXT_POISON 2021-01-21 15:50:01 -08:00
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 bisect--helper: reimplement bisect_skip shell function in C 2021-02-03 14:52:09 -08:00
git-compat-util.h Merge branch 'jk/open-returns-eintr' 2021-03-04 15:34:45 -08:00
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 mergetool: break setup_tool out into separate initialization function 2021-02-09 14:09:16 -08:00
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 'sh/mergetool-hideresolved' 2021-02-17 17:21:41 -08:00
git-mergetool.sh mergetool: add per-tool support and overrides for the hideResolved flag 2021-02-09 14:09:16 -08:00
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 tests: remove support for GIT_TEST_GETTEXT_POISON 2021-01-21 15:50:01 -08:00
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 2.31-rc1 2021-03-02 22:41:13 -08:00
git-web--browse.sh
git.c Merge branch 'tb/precompose-prefix-too' 2021-02-12 14:21:04 -08:00
git.rc
gpg-interface.c gpg-interface: remove other signature headers before verifying 2021-02-10 23:35:42 -08:00
gpg-interface.h gpg-interface: improve interface for parsing tags 2021-02-10 23:35:42 -08:00
graph.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
graph.h
grep.c Merge branch 'ab/grep-pcre-invalid-utf8' 2021-02-10 14:48:33 -08:00
grep.h Merge branch 'ab/grep-pcre-invalid-utf8' 2021-02-10 14:48:33 -08:00
hash-lookup.c oid_pos(): access table through const pointers 2021-01-28 12:03:26 -08:00
hash-lookup.h oid_pos(): access table through const pointers 2021-01-28 12:03:26 -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: allow custom index-pack args 2021-02-22 12:07:40 -08:00
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 http: allow custom index-pack args 2021-02-22 12:07:40 -08:00
http.h http: allow custom index-pack args 2021-02-22 12:07:40 -08:00
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 json-writer.h: add missing include (hdr-check) 2018-09-20 11:50:00 -07:00
khash.h
kwset.c Merge branch 'js/gcc-8-and-9' 2019-07-09 15:25:41 -07:00
kwset.h kset.h, tar.h: add missing header guard to prevent multiple inclusion 2019-11-07 20:12:04 +09:00
levenshtein.c
levenshtein.h Typofixes outside documentation area 2010-02-03 21:28:17 -08:00
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 line-range.c: remove implicit dependency on the_index 2018-09-21 09:51:18 -07:00
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 object-name.c: rename from sha1-name.c 2021-01-04 13:01:55 -08:00
list-objects-filter.h
list-objects.c
list-objects.h list-objects: consume sparse tree walk 2019-01-17 13:44:39 -08:00
list.h tempfile: use list.h for linked list 2017-09-06 17:19:54 +09:00
ll-merge.c parse_config_key(): return subsection len as size_t 2020-04-10 14:44:29 -07:00
ll-merge.h
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 Merge branch 'ab/diff-deferred-free' 2021-02-22 16:12:43 -08:00
log-tree.h format-patch: make output filename configurable 2020-11-09 17:44:41 -08:00
ls-refs.c Merge branch 'jt/clone-unborn-head' 2021-02-17 17:21:40 -08:00
ls-refs.h ls-refs: report unborn targets of symrefs 2021-02-05 13:49:53 -08:00
mailinfo.c mailinfo: disallow NUL character in mail's header 2020-04-22 14:01:03 -07:00
mailinfo.h
mailmap.c mailmap: only look for .mailmap in work tree 2021-02-10 13:34:51 -08:00
mailmap.h shortlog: remove unused(?) "repo-abbrev" feature 2021-01-12 14:04:42 -08:00
Makefile sparse-index: add guard to ensure full index 2021-03-30 12:57:45 -07:00
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.c: remove implicit dependency on the_index 2018-09-21 09:48:10 -07:00
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: call diffcore_rename() directly 2021-02-15 18:02:16 -08:00
merge-ort.h merge-ort: implement merge_incore_recursive() 2020-12-16 21:56:39 -08:00
merge-recursive.c tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
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: rename it to llist_mergesort() 2012-04-17 11:07:01 -07:00
mergesort.h
midx.c Merge branch 'ds/chunked-file-api' 2021-03-01 14:02:57 -08:00
midx.h Merge branch 'ds/multi-pack-index' 2020-05-01 13:39:55 -07:00
name-hash.c name-hash: use trace2 regions for init 2021-01-23 17:14:07 -08:00
notes-cache.c notes-cache.c: remove the_repository references 2018-11-12 14:50:06 +09:00
notes-cache.h
notes-merge.c
notes-merge.h notes-merge.c: remove implicit dependency on the_index 2018-11-12 14:50:05 +09:00
notes-utils.c strbuf: add and use strbuf_insertstr() 2020-02-10 09:04:45 -08:00
notes-utils.h notes-utils.c: remove the_repository references 2019-01-14 12:13:04 -08:00
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-file.c hash-lookup: rename from sha1-lookup 2021-01-04 13:01:55 -08:00
object-name.c object-name.c: rename from sha1-name.c 2021-01-04 13:01:55 -08:00
object-store.h packfile: prepare for the existence of '*.rev' files 2021-01-25 18:32:43 -08:00
object.c bundle: lost objects when removing duplicate pendings 2021-01-11 21:50:41 -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_pos(): access table through const pointers 2021-01-28 12:03:26 -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 oid_pos(): access table through const pointers 2021-01-28 12:03:26 -08:00
pack-bitmap.c rev-list: add --disk-usage option for calculating disk usage 2021-02-11 09:57:55 -08:00
pack-bitmap.h rev-list: add --disk-usage option for calculating disk usage 2021-02-11 09:57:55 -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 pack-revindex: ensure that on-disk reverse indexes are given precedence 2021-01-25 18:32:44 -08:00
pack-revindex.h pack-revindex: ensure that on-disk reverse indexes are given precedence 2021-01-25 18:32:44 -08:00
pack-write.c Merge branch 'jt/transfer-fsck-across-packs' 2021-03-01 14:02:57 -08:00
pack.h Merge branch 'jt/transfer-fsck-across-packs' 2021-03-01 14:02:57 -08:00
packfile.c packfile: prepare for the existence of '*.rev' files 2021-01-25 18:32:43 -08:00
packfile.h packfile: prepare for the existence of '*.rev' files 2021-01-25 18:32:43 -08:00
pager.c pager: refactor wait_for_pager() function 2021-02-01 21:15:58 -08:00
parse-options-cb.c assert PARSE_OPT_NONEG in parse-options callbacks 2020-09-30 12:53:47 -07:00
parse-options.c MacOS: precompose_argv_prefix() 2021-02-03 14:09:37 -08:00
parse-options.h parse-options: format argh like error messages 2021-01-06 15:10:27 -08:00
patch-delta.c patch-delta: handle truncated copy parameters 2018-08-30 10:30:23 -07:00
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 preload-index: log the number of lstat calls to trace2 2021-02-16 17:14:34 -08:00
pretty.c Merge branch 'hv/trailer-formatting' 2021-03-01 14:02:58 -08:00
pretty.h pretty.c: capture invalid trailer argument 2021-02-15 16:48:38 -08:00
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 *.[ch]: remove extern from function declarations using spatch 2019-05-05 15:20:06 +09:00
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: make sq_dequote_step() a public function 2021-01-12 12:03:18 -08:00
quote.h quote: make sq_dequote_step() a public function 2021-01-12 12:03:18 -08:00
range-diff.c Merge branch 'js/range-diff-one-side-only' 2021-02-17 17:21:41 -08:00
range-diff.h Merge branch 'js/range-diff-one-side-only' 2021-02-17 17:21:41 -08:00
reachable.c pack-bitmap: basic noop bitmap filter infrastructure 2020-02-14 10:46:22 -08:00
reachable.h
read-cache.c sparse-index: convert from full to sparse 2021-03-30 12:57:47 -07:00
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 Merge branch 'hv/trailer-formatting' 2021-03-01 14:02:58 -08:00
ref-filter.h branch: sort detached HEAD based on a flag 2021-01-07 15:13:21 -08:00
reflog-walk.c Merge branch 'nd/i18n' 2018-08-15 15:08:23 -07:00
reflog-walk.h *.[ch]: manually align parameter lists 2019-05-05 15:20:10 +09:00
refs.c Merge branch 'tb/ls-refs-optim' 2021-02-05 16:40:45 -08:00
refs.h Merge branch 'tb/ls-refs-optim' 2021-02-05 16:40:45 -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 Prepare for 2.30.1 2021-02-05 16:31:28 -08:00
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 'jt/clone-unborn-head' 2021-02-17 17:21:40 -08:00
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 sparse-index: add guard to ensure full index 2021-03-30 12:57:45 -07:00
repository.c sparse-index: add guard to ensure full index 2021-03-30 12:57:45 -07:00
repository.h sparse-index: add guard to ensure full index 2021-03-30 12:57:45 -07:00
rerere.c rerere: use strmap to store rerere directories 2021-01-28 11:26:20 -08:00
rerere.h rerere.c: remove the_repository references 2018-11-12 14:50:06 +09:00
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 *.[ch]: remove extern from function declarations using spatch 2019-05-05 15:20:06 +09:00
revision.c Merge branch 'ak/corrected-commit-date' 2021-02-17 17:21:40 -08:00
revision.h Merge branch 'so/log-diff-merge' 2021-02-05 16:40:44 -08:00
run-command.c pager: properly log pager exit code when signalled 2021-02-01 21:15:58 -08:00
run-command.h run-command: document use_shell option 2021-01-22 14:21:32 -08:00
send-pack.c Merge branch 'js/trace2-session-id' 2020-12-08 15:11:20 -08:00
send-pack.h
sequencer.c Merge branch 'ds/more-index-cleanups' 2021-02-10 14:48:33 -08:00
sequencer.h Merge branch 'en/merge-ort-api-null-impl' 2020-11-18 13:32:53 -08:00
serve.c ls-refs: report unborn targets of symrefs 2021-02-05 13:49:53 -08:00
serve.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
server-info.c Fix spelling errors in code comments 2019-11-10 16:00:54 +09:00
setup.c Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
sh-i18n--envsubst.c
sha1dc_git.c hex: drop sha1_to_hex() 2019-11-13 10:09:10 +09:00
sha1dc_git.h
shallow.c commit_graft_pos(): take an oid instead of a bare hash 2021-01-28 11:21:07 -08:00
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: remove unused(?) "repo-abbrev" feature 2021-01-12 14:04:42 -08:00
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
sparse-index.c sparse-index: convert from full to sparse 2021-03-30 12:57:47 -07:00
sparse-index.h sparse-index: convert from full to sparse 2021-03-30 12:57:47 -07:00
split-index.c mem-pool: use more standard initialization and finalization 2020-08-18 12:16:06 -07:00
split-index.h split-index: convert struct split_index to object_id 2018-05-02 13:59:50 +09:00
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 style: the opening '{' of a function is in a separate line 2018-12-10 15:41:09 +09:00
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 Merge branch 'sj/untracked-files-in-submodule-directory-is-not-dirty' 2021-01-25 14:19:18 -08:00
submodule.h submodule: rename helper functions to avoid ambiguity 2020-08-12 14:12:58 -07:00
symlinks.c Indent code with TABs 2018-12-09 12:37:32 +09:00
tag.c gpg-interface: improve interface for parsing tags 2021-02-10 23:35:42 -08:00
tag.h
tar.h kset.h, tar.h: add missing header guard to prevent multiple inclusion 2019-11-07 20:12:04 +09:00
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: 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 packfile: prepare for the existence of '*.rev' files 2021-01-25 18:32:43 -08:00
tmp-objdir.h tmp-objdir: introduce API for temporary object directories 2016-10-10 13:54:02 -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
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
trailer.c pretty format %(trailers): add a "key_value_separator" 2020-12-09 14:16:42 -08:00
trailer.h pretty format %(trailers): add a "key_value_separator" 2020-12-09 14:16:42 -08:00
transport-helper.c connect, transport: encapsulate arg in struct 2021-02-05 13:49:54 -08:00
transport-internal.h connect, transport: encapsulate arg in struct 2021-02-05 13:49:54 -08:00
transport.c connect, transport: encapsulate arg in struct 2021-02-05 13:49:54 -08:00
transport.h clone: respect remote unborn HEAD 2021-02-05 13:49:55 -08:00
tree-diff.c bloom/diff: properly short-circuit on max_changes 2020-09-17 09:31:25 -07:00
tree-walk.c tree-walk: report recursion counts 2021-01-04 15:23:08 -08:00
tree-walk.h tree-walk.c: break circular dependency with unpack-trees 2020-02-04 10:32:15 -08:00
tree.c tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
tree.h tree.h API: simplify read_tree_recursive() signature 2021-03-20 16:09:26 -07:00
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 credentials: add "cache" helper 2011-12-11 23:16:25 -08:00
unpack-trees.c unpack-trees: ensure full index 2021-03-30 12:57:46 -07:00
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 'ak/corrected-commit-date' 2021-02-17 17:21:40 -08:00
upload-pack.h argv-array: rename to strvec 2020-07-28 15:02:17 -07:00
url.c Fix spelling errors in code comments 2019-11-10 16:00:54 +09:00
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 usage: trace2 BUG() invocations 2021-02-09 14:14:34 -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 cleanups: ensure that git-compat-util.h is included first 2014-09-15 12:05:14 -07:00
varint.h *.[ch]: remove extern from function declarations using spatch 2019-05-05 15:20:06 +09:00
version.c
version.h version --build-options: report commit, too, if possible 2017-12-14 22:53:04 -08:00
versioncmp.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
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 worktree: teach worktree_lock_reason() to gently handle main worktree 2021-01-30 09:57:20 -08:00
worktree.h worktree: teach worktree to lazy-load "prunable" reason 2021-01-30 09:57:16 -08:00
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 Merge branch 'sj/untracked-files-in-submodule-directory-is-not-dirty' 2021-01-25 14:19:18 -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