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Taylor Blau 0d41b18317 pack-bitmap-write: support storing pseudo-merge commits
Prepare to write pseudo-merge bitmaps by annotating individual bitmapped
commits (which are represented by the `bitmapped_commit` structure) with
an extra bit indicating whether or not they are a pseudo-merge.

In subsequent commits, pseudo-merge bitmaps will be generated by
allocating a fake commit node with parents covering the full set of
commits represented by the pseudo-merge bitmap. These commits will be
added to the set of "selected" commits as usual, but will be written
specially instead of being included with the rest of the selected
commits.

Mechanically speaking, there are two parts of this change:

  - The bitmapped_commit struct gets a new bit indicating whether it is
    a pseudo-merge, or an ordinary commit selected for bitmaps.

  - A handful of changes to only write out the non-pseudo-merge commits
    when enumerating through the selected array (see the new
    `bitmap_writer_selected_nr()` function). Pseudo-merge commits appear
    after all non-pseudo-merge commits, so it is safe to enumerate
    through the selected array like so:

        for (i = 0; i < bitmap_writer_selected_nr(); i++)
          if (writer.selected[i].pseudo_merge)
            BUG("unexpected pseudo-merge");

    without encountering the BUG().

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-05-24 11:40:42 -07:00
.github Merge branch 'pb/ci-win-artifact-names-fix' 2024-03-21 14:55:13 -07:00
Documentation Documentation/technical: describe pseudo-merge bitmaps format 2024-05-24 11:40:41 -07:00
block-sha1
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builtin pack-bitmap: move some initialization to `bitmap_writer_init()` 2024-05-24 11:40:41 -07:00
ci fuzz: add fuzzer for config parsing 2024-03-15 10:47:05 -07:00
compat Win32: detect unix socket support at runtime 2024-04-03 14:54:28 -07:00
contrib Merge branch 'ba/osxkeychain-updates' 2024-04-16 14:50:30 -07:00
ewah ewah: implement `ewah_bitmap_is_subset()` 2024-05-24 11:40:41 -07:00
git-gui Makefile(s): do not enforce "all indents must be done with tab" 2024-04-08 16:36:05 -07:00
gitk-git Makefile(s): avoid recipe prefix in conditional statements 2024-04-08 14:42:32 -07:00
gitweb
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mergetools mergetools: vimdiff: use correct tool's name when reading mergetool config 2024-02-19 08:45:14 -08:00
negotiator
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oss-fuzz Merge branch 'rs/date-mode-pass-by-value' 2024-04-16 14:50:29 -07:00
perl
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po Merge branch 'master' of github.com:alshopov/git-po 2024-04-29 14:50:23 +08:00
refs Merge branch 'ps/pack-refs-auto' 2024-04-09 14:31:45 -07:00
reftable Merge branch 'ps/reftable-block-iteration-optim' 2024-04-23 11:52:37 -07:00
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t Merge branch 'rj/add-i-leak-fix' 2024-04-25 10:34:24 -07:00
templates
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trace2
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.editorconfig editorconfig: add Makefiles to "text files" 2024-03-23 11:42:31 -07:00
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.mailmap mailmap: change primary address for Linus Arver 2024-04-16 22:25:11 -07:00
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CODE_OF_CONDUCT.md
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COPYING
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GIT-VERSION-GEN Git 2.45 2024-04-29 07:30:29 -07:00
INSTALL INSTALL: bump libcurl version to 7.21.3 2024-04-02 13:27:20 -07:00
LGPL-2.1
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Makefile pseudo-merge.ch: initial commit 2024-05-24 11:40:41 -07:00
README.md
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RelNotes Start the 2.45 cycle 2024-02-26 18:10:25 -08:00
SECURITY.md
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abspath.c
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abspath.h
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aclocal.m4
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add-interactive.c add-interactive: plug a leak in get_untracked_files 2024-04-22 16:27:42 -07:00
add-interactive.h
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add-patch.c add-patch: plug a leak handling the '/' command 2024-04-22 16:27:42 -07:00
advice.c Merge branch 'jc/advice-sans-trailing-whitespace' 2024-04-09 14:31:43 -07:00
advice.h sequencer: allow disabling conflict advice 2024-03-18 09:28:40 -07:00
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alloc.c
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alloc.h
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apply.c Merge branch 'rj/add-i-leak-fix' 2024-04-25 10:34:24 -07:00
apply.h
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archive.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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bisect.c bisect: report the found commit with "show" 2024-04-15 11:29:09 -07:00
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branch.c Merge branch 'pf/commitish-committish' 2024-04-19 09:13:47 -07:00
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cache-tree.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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commit-graph.h
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commit-reach.c commit-reach(repo_get_merge_bases_many_dirty): pass on errors 2024-02-29 08:06:01 -08:00
commit-reach.h commit-reach(repo_get_merge_bases_many_dirty): pass on errors 2024-02-29 08:06:01 -08:00
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commit.c Merge branch 'jk/core-comment-string' 2024-04-05 10:49:49 -07:00
commit.h Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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config.c Merge branch 'jc/unleak-core-excludesfile' 2024-04-15 14:11:44 -07:00
config.h config: allow tweaking whitespace between value and comment 2024-03-15 16:07:39 -07:00
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config.mak.uname Merge branch 'tb/make-indent-conditional-with-non-spaces' 2024-04-16 14:50:29 -07:00
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ctype.c
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daemon.c
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date.c date: make DATE_MODE thread-safe 2024-04-05 15:21:14 -07:00
date.h date: make DATE_MODE thread-safe 2024-04-05 15:21:14 -07:00
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delta-islands.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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diff-lib.c revision: optionally record matches with pathspec elements 2024-04-03 14:55:21 -07:00
diff-merges.c
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diff.c diff: add diff.srcPrefix and diff.dstPrefix configuration variables 2024-03-15 10:04:45 -07:00
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diffcore-break.c
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dir-iterator.c dir-iterator: support iteration in sorted order 2024-02-21 09:58:05 -08:00
dir-iterator.h dir-iterator: support iteration in sorted order 2024-02-21 09:58:05 -08:00
dir.c dir: create untracked_cache_invalidate_trimmed_path() 2024-02-26 15:34:02 -08:00
dir.h dir: create untracked_cache_invalidate_trimmed_path() 2024-02-26 15:34:02 -08:00
editor.c launch_editor: waiting message on error 2024-04-15 10:13:32 -07:00
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environment.c Merge branch 'jk/core-comment-string' 2024-04-05 10:49:49 -07:00
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fmt-merge-msg.c prefer comment_line_str to comment_line_char for printing 2024-03-12 13:28:10 -07:00
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fsck.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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fsmonitor--daemon.h
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fsmonitor.c fsmonitor: support case-insensitive events 2024-03-06 09:10:06 -08:00
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git-archimport.perl
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git-compat-util.h Merge branch 'rs/no-openssl-compilation-fix-on-macos' 2024-04-23 11:52:38 -07:00
git-curl-compat.h remote-curl: add Transfer-Encoding header only for older curl 2024-04-05 14:45:19 -07:00
git-cvsexportcommit.perl
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git-difftool--helper.sh git-difftool--helper: honor `--trust-exit-code` with `--dir-diff` 2024-02-20 09:30:32 -08:00
git-filter-branch.sh
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git-instaweb.sh
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git-merge-octopus.sh
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git-merge-one-file.sh
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git-merge-resolve.sh
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git-mergetool--lib.sh
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git-mergetool.sh
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git-p4.py
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git-quiltimport.sh git-quiltimport: avoid an unnecessary subshell 2024-03-16 11:08:57 -07:00
git-request-pull.sh
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git-send-email.perl
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git.c Merge branch 'jh/trace2-missing-def-param-fix' 2024-03-18 13:04:25 -07:00
git.rc
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gpg-interface.c Merge branch 'rs/date-mode-pass-by-value' 2024-04-16 14:50:29 -07:00
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graph.c
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graph.h
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grep.c grep: improve errors for unmatched ( and ) 2024-03-25 11:40:53 -07:00
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hash-ll.h
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hash-lookup.c
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hash.h
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hashmap.c
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hashmap.h
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help.c
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hex.c
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http-backend.c
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http-push.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
http-walker.c
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http.c http: reset POSTFIELDSIZE when clearing curl handle 2024-04-02 13:27:18 -07:00
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ident.c
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ident.h
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imap-send.c imap-send: increase command size limit 2024-04-15 11:34:17 -07:00
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json-writer.c
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list-objects.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
list-objects.h
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lockfile.c
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lockfile.h lockfile: report when rollback fails 2024-03-07 12:34:13 -08:00
log-tree.c Merge branch 'rs/date-mode-pass-by-value' 2024-04-16 14:50:29 -07:00
log-tree.h format-patch: return an allocated string from log_write_email_headers() 2024-03-19 17:54:16 -07:00
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mem-pool.c don't report vsnprintf(3) error as bug 2024-04-21 12:27:07 -07:00
mem-pool.h mem-pool: add mem_pool_strfmt() 2024-02-26 09:35:40 -08:00
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merge-ll.c Merge branch 'pw/checkout-conflict-errorfix' 2024-04-01 13:21:33 -07:00
merge-ll.h merge options: add a conflict style member 2024-03-14 10:08:52 -07:00
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merge-recursive.h merge options: add a conflict style member 2024-03-14 10:08:52 -07:00
merge.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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midx-write.c pack-bitmap: move some initialization to `bitmap_writer_init()` 2024-05-24 11:40:41 -07:00
midx.c Merge branch 'ps/missing-btmp-fix' 2024-04-23 11:52:40 -07:00
midx.h midx-write: move writing-related functions from midx.c 2024-04-01 14:18:16 -07:00
name-hash.c name-hash: add index_dir_find() 2024-02-26 15:34:01 -08:00
name-hash.h name-hash: add index_dir_find() 2024-02-26 15:34:01 -08:00
notes-cache.c
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notes-merge.c commit-reach(repo_get_merge_bases): pass on "missing commits" errors 2024-02-29 08:06:01 -08:00
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object-file-convert.c
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object-name.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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object-store-ll.h
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object.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
object.h pack-bitmap-write: support storing pseudo-merge commits 2024-05-24 11:40:42 -07:00
oid-array.c
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oidmap.c
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oidmap.h
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oidset.c
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oidtree.c
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pack-bitmap-write.c pack-bitmap-write: support storing pseudo-merge commits 2024-05-24 11:40:42 -07:00
pack-bitmap.c Merge branch 'ps/missing-btmp-fix' 2024-04-23 11:52:40 -07:00
pack-bitmap.h pack-bitmap-write: support storing pseudo-merge commits 2024-05-24 11:40:42 -07:00
pack-check.c
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pack-mtimes.c
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pack-objects.c
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packfile.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
packfile.h
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pager.c
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parallel-checkout.c
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parse-options-cb.c
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parse-options.c parse-options: rearrange long_name matching code 2024-03-03 09:49:22 -08:00
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path.c Merge branch 'rs/apply-lift-path-length-limit' 2024-04-15 14:11:42 -07:00
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pretty.c Merge branch 'rs/date-mode-pass-by-value' 2024-04-16 14:50:29 -07:00
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pseudo-merge.c pseudo-merge.ch: initial commit 2024-05-24 11:40:41 -07:00
pseudo-merge.h pseudo-merge.ch: initial commit 2024-05-24 11:40:41 -07:00
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read-cache-ll.h revision: optionally record matches with pathspec elements 2024-04-03 14:55:21 -07:00
read-cache.c revision: optionally record matches with pathspec elements 2024-04-03 14:55:21 -07:00
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rebase-interactive.c strbuf: accept a comment string for strbuf_add_commented_lines() 2024-03-12 13:28:10 -07:00
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ref-filter.c date: make DATE_MODE thread-safe 2024-04-05 15:21:14 -07:00
ref-filter.h for-each-ref: add new option to include root refs 2024-02-23 10:36:28 -08:00
reflog-walk.c date: make DATE_MODE thread-safe 2024-04-05 15:21:14 -07:00
reflog-walk.h date: make DATE_MODE thread-safe 2024-04-05 15:21:14 -07:00
reflog.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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refs.c Merge branch 'kn/for-all-refs' 2024-03-05 09:44:44 -08:00
refs.h refs/reftable: expose auto compaction via new flag 2024-03-25 09:54:07 -07:00
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remote-curl.c Merge branch 'jk/libcurl-8.7-regression-workaround' 2024-04-15 14:11:44 -07:00
remote.c Merge branch 'js/merge-base-with-missing-commit' 2024-03-11 14:12:30 -07:00
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repo-settings.c
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repository.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
repository.h Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
rerere.c Merge branch 'mr/rerere-crash-fix' 2024-04-23 11:52:41 -07:00
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reset.c Merge branch 'js/merge-tree-3-trees' 2024-03-07 15:59:41 -08:00
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revision.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
revision.h revision: optionally record matches with pathspec elements 2024-04-03 14:55:21 -07:00
run-command.c run-command: introduce function to prepare auto-maintenance process 2024-04-17 08:42:26 -07:00
run-command.h run-command: introduce function to prepare auto-maintenance process 2024-04-17 08:42:26 -07:00
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scalar.c
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sequencer.c Merge branch 'jk/core-comment-string' 2024-04-05 10:49:49 -07:00
sequencer.h rebase -i: stop setting GIT_CHERRY_PICK_HELP 2024-02-27 10:33:36 -08:00
serve.c upload-pack: disallow object-info capability by default 2024-02-28 14:42:01 -08:00
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setup.c Merge branch 'eb/hash-transition' 2024-03-28 14:13:50 -07:00
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sh-i18n--envsubst.c
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sha1dc_git.c
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shallow.c commit-reach(repo_in_merge_bases_many): report missing commits 2024-02-28 09:47:03 -08:00
shallow.h
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shared.mak
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shell.c
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shortlog.h
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sideband.c sideband: avoid short write(2) 2024-03-02 11:12:16 -08:00
sideband.h
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sigchain.c
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simple-ipc.h
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split-index.c
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stable-qsort.c
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statinfo.c
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statinfo.h
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strbuf.c don't report vsnprintf(3) error as bug 2024-04-21 12:27:07 -07:00
strbuf.h Merge branch 'jk/core-comment-string' 2024-04-05 10:49:49 -07:00
streaming.c
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strmap.c
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strvec.c
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sub-process.c
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sub-process.h
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submodule-config.c config: add --comment option to add a comment 2024-03-15 12:25:35 -07:00
submodule-config.h
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submodule.c config: add --comment option to add a comment 2024-03-15 12:25:35 -07:00
submodule.h
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tar.h
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tempfile.c lockfile: report when rollback fails 2024-03-07 12:34:13 -08:00
tempfile.h lockfile: report when rollback fails 2024-03-07 12:34:13 -08:00
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wrapper.c don't report vsnprintf(3) error as bug 2024-04-21 12:27:07 -07:00
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xdiff-interface.c xdiff-interface: refactor parsing of merge.conflictstyle 2024-03-14 10:08:52 -07:00
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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 and Documentation/CodingGuidelines).

Those wishing to help with error message, usage and informational message string translations (localization l10) should see po/README.md (a po file is a Portable Object file that holds the translations).

To subscribe to the list, send an email to git+subscribe@vger.kernel.org (see https://subspace.kernel.org/subscribing.html for details). The mailing list archives are available at https://lore.kernel.org/git/, https://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