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Patrick Steinhardt 414c82300a builtin/repack: fix `--keep-unreachable` when there are no packs
The "--keep-unreachable" flag is supposed to append any unreachable
objects to the newly written pack. This flag is explicitly documented as
appending both packed and loose unreachable objects to the new packfile.
And while this works alright when repacking with preexisting packfiles,
it stops working when the repository does not have any packfiles at all.

The root cause are the conditions used to decide whether or not we want
to append "--pack-loose-unreachable" to git-pack-objects(1). There are
a couple of conditions here:

  - `has_existing_non_kept_packs()` checks whether there are existing
    packfiles. This condition makes sense to guard "--keep-pack=",
    "--unpack-unreachable" and "--keep-unreachable", because all of
    these flags only make sense in combination with existing packfiles.
    But it does not make sense to disable `--pack-loose-unreachable`
    when there aren't any preexisting packfiles, as loose objects can be
    packed into the new packfile regardless of that.

  - `delete_redundant` checks whether we want to delete any objects or
    packs that are about to become redundant. The documentation of
    `--keep-unreachable` explicitly says that `git repack -ad` needs to
    be executed for the flag to have an effect.

    It is not immediately obvious why such redundant objects need to be
    deleted in order for "--pack-unreachable-objects" to be effective.
    But as things are working as documented this is nothing we'll change
    for now.

  - `pack_everything & PACK_CRUFT` checks that we're not creating a
    cruft pack. This condition makes sense in the context of
    "--pack-loose-unreachable", as unreachable objects would end up in
    the cruft pack anyway.

So while the second and third condition are sensible, it does not make
any sense to condition `--pack-loose-unreachable` on the existence of
packfiles.

Fix the bug by splitting out the "--pack-loose-unreachable" and only
making it depend on the second and third condition. Like this, loose
unreachable objects will be packed regardless of any preexisting
packfiles.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-02-04 09:58:02 -08:00
.github Merge branch 'ps/ci-meson' 2024-12-23 09:32:25 -08:00
Documentation Git 2.48.1 2025-01-13 12:57:19 -08:00
bin-wrappers Introduce support for the Meson build system 2024-12-07 07:52:14 +09:00
block-sha1
builtin builtin/repack: fix `--keep-unreachable` when there are no packs 2025-02-04 09:58:02 -08:00
ci Merge branch 'jk/lsan-race-ignore-false-positive' 2025-01-02 13:37:08 -08:00
compat Merge branch 'js/mingw-rename-fix' 2024-12-23 09:32:16 -08:00
contrib GIT-BUILD-OPTIONS: wire up NO_GITWEB option 2024-12-27 08:17:19 -08:00
ewah global: trivial conversions to fix `-Wsign-compare` warnings 2024-12-06 20:20:04 +09:00
git-gui Merge branch 'master' of https://github.com/j6t/git-gui 2025-01-06 06:51:37 -08:00
gitk-git Merge branch 'master' of https://github.com/j6t/gitk 2025-01-06 06:52:05 -08:00
gitweb Merge branch 'ps/build' 2024-12-15 17:54:33 -08:00
mergetools
negotiator prio-queue: use size_t rather than int for size 2024-12-20 07:21:45 -08:00
oss-fuzz Merge branch 'ps/build-sign-compare' 2024-12-23 09:32:11 -08:00
perl meson: fix perl dependencies 2025-01-08 08:05:39 -08:00
po Merge branch '2.48-uk-update' of github.com:arkid15r/git-ukrainian-l10n 2025-01-07 15:45:43 +08:00
refs Merge branch 'kn/reflog-migration' 2024-12-23 09:32:29 -08:00
reftable reftable: handle realloc error in parse_names() 2024-12-28 08:00:44 -08:00
sha1
sha1collisiondetection@855827c583
sha1dc
sha256
subprojects Introduce support for the Meson build system 2024-12-07 07:52:14 +09:00
t builtin/repack: fix `--keep-unreachable` when there are no packs 2025-02-04 09:58:02 -08:00
templates Introduce support for the Meson build system 2024-12-07 07:52:14 +09:00
trace2 global: mark code units that generate warnings with `-Wsign-compare` 2024-12-06 20:20:02 +09:00
xdiff global: mark code units that generate warnings with `-Wsign-compare` 2024-12-06 20:20:02 +09:00
.cirrus.yml
.clang-format
.editorconfig
.gitattributes
.gitignore Makefile: allow "bin-wrappers/" directory to exist 2024-12-07 07:52:11 +09:00
.gitlab-ci.yml Merge branch 'ps/ci-meson' 2024-12-23 09:32:25 -08:00
.gitmodules
.mailmap
.tsan-suppressions
CODE_OF_CONDUCT.md
COPYING
GIT-BUILD-OPTIONS.in GIT-BUILD-OPTIONS: wire up NO_GITWEB option 2024-12-27 08:17:19 -08:00
GIT-VERSION-FILE.in Makefile: refactor GIT-VERSION-GEN to be reusable 2024-12-07 07:52:08 +09:00
GIT-VERSION-GEN Git 2.48.1 2025-01-13 12:57:19 -08:00
INSTALL
LGPL-2.1
Makefile Revert barrier-based LSan threading race workaround 2025-01-01 14:13:01 -08:00
README.md
RelNotes Git 2.48.1 2025-01-13 12:57:19 -08:00
SECURITY.md
abspath.c
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advice.c Merge branch 'ps/build-sign-compare' 2024-12-23 09:32:11 -08:00
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credential.c Git 2.47.2 2025-01-13 12:55:26 -08:00
credential.h Sync with 2.45.3 2024-11-26 22:15:01 +01:00
csum-file.c csum-file: fix -Wsign-compare warning on 32-bit platform 2024-12-06 20:20:03 +09:00
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diff.c Merge branch 'ps/build-sign-compare' 2024-12-23 09:32:11 -08:00
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fetch-pack.c Merge branch 'ps/build-sign-compare' 2024-12-23 09:32:11 -08:00
fetch-pack.h fetch-pack: split out fsck config parsing 2024-11-28 12:07:58 +09:00
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generate-cmdlist.sh Makefile: refactor generators to be PWD-independent 2024-12-07 07:52:11 +09:00
generate-configlist.sh Makefile: refactor generators to be PWD-independent 2024-12-07 07:52:11 +09:00
generate-hooklist.sh Makefile: refactor generators to be PWD-independent 2024-12-07 07:52:11 +09:00
generate-perl.sh Makefile: use "generate-perl.sh" to massage Perl library 2024-12-07 07:52:10 +09:00
generate-python.sh Makefile: extract script to massage Python scripts 2024-12-07 07:52:10 +09:00
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git-send-email.perl Makefile: consistently use @PLACEHOLDER@ to substitute 2024-12-07 07:52:08 +09:00
git-sh-i18n.sh Makefile: consistently use @PLACEHOLDER@ to substitute 2024-12-07 07:52:08 +09:00
git-sh-setup.sh Makefile: consistently use @PLACEHOLDER@ to substitute 2024-12-07 07:52:08 +09:00
git-submodule.sh
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meson.build meson: enable auto-discovered "gitweb" 2024-12-27 08:17:19 -08:00
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midx.c Merge branch 'ps/build-sign-compare' 2024-12-23 09:32:11 -08:00
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parse-options.h t: introduce compatibility options to clar-based tests 2024-12-13 06:48:47 -08:00
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patch-ids.c diff.h: fix index used to loop through unsigned integer 2024-12-06 20:20:03 +09:00
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range-diff.c Merge branch 'js/range-diff-diff-merges' 2024-12-23 09:32:17 -08:00
range-diff.h range-diff: optionally include merge commits' diffs in the analysis 2024-12-16 08:45:48 -08:00
reachable.c diff.h: fix index used to loop through unsigned integer 2024-12-06 20:20:03 +09:00
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refs.c Merge branch 'kn/reflog-migration' 2024-12-23 09:32:29 -08:00
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remote.c Merge branch 'sk/calloc-not-malloc-plus-memset' 2024-12-23 09:32:18 -08:00
remote.h fetch set_head: add warn-if-not-$branch option 2024-12-06 02:59:40 +09:00
replace-object.c
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repo-settings.c config: make `packed_git_(limit|window_size)` non-global variables 2024-12-04 08:21:55 +09:00
repo-settings.h config: make `packed_git_(limit|window_size)` non-global variables 2024-12-04 08:21:55 +09:00
repository.c worktree: add `relativeWorktrees` extension 2024-12-02 09:36:16 +09:00
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shared.mak GIT-VERSION-GEN: fix overriding GIT_BUILT_FROM_COMMIT and GIT_DATE 2024-12-20 12:36:45 -08:00
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stable-qsort.c
statinfo.c
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strbuf.c Git 2.47.2 2025-01-13 12:55:26 -08:00
strbuf.h Git 2.47.2 2025-01-13 12:55:26 -08:00
streaming.c
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thread-utils.h Revert barrier-based LSan threading race workaround 2025-01-01 14:13:01 -08:00
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version-def.h.in Makefile: propagate Git version via generated header 2024-12-07 07:52:08 +09:00
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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