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What's cooking (2026/08 #10)

todo
Junio C Hamano 2026-08-23 17:54:43 -07:00
parent 99fa371e24
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@ -1,10 +1,10 @@
To: git@vger.kernel.org
Subject: What's cooking in git.git (Aug 2026, #09)
Subject: What's cooking in git.git (Aug 2026, #10)
X-master-at: 1a3e64c6c4a623626ff0687008732a8e007e2a1c
X-next-at: b25b4bd76c75363f63222e781088d0833952c20c
Bcc: lwn@lwn.net, gitster@pobox.com

What's cooking in git.git (Aug 2026, #09)
What's cooking in git.git (Aug 2026, #10)
-----------------------------------------

Here are the topics that have been cooking in my tree. Commits
@ -17,10 +17,10 @@ A topic without enough support may be discarded after a long period
of no activity (of course, it can be resubmitted when new interest
arises).

The 14th batch of topics have now graduated to the 'master' branch.
We have 437 non-merge commits in 'master' since Git 2.55. There
are 143 non-merge commits cooking in 'next' (note that some have
been reverted), and 260 non-merge commits, including those in and
The 16th batch of topics have now graduated to the 'master' branch.
We have 472 non-merge commits in 'master' since Git 2.55. There
are 128 non-merge commits cooking in 'next' (note that some have
been reverted), and 251 non-merge commits, including those in and
out of 'next', in 'seen' as of this writing.

Copies of the source code to Git live in many repositories, and the
@ -54,7 +54,66 @@ Release tarballs are available at:
--------------------------------------------------
[New Topics]

* kn/receive-report-hook (2026-08-18) 1 commit
* as/utimensat-utimes (2026-08-21) 3 commits
- compat/posix: drop legacy <utime.h> header and shims
- treewide: use utimensat(2) instead of legacy utime(3p)
- compat/posix: introduce utimensat(2) wrapper

The codebase has been updated to use the newer utimensat() POSIX
function instead of the obsolescent utime(), allowing
high-precision timestamps while preserving fallback compatibility.

Waiting for response.
cf. <aonIVn-ZQoMKWCAd@fruit.crustytoothpaste.net>
cf. <xmqqzeyeujde.fsf@gitster.g>
source: <pull.2209.git.1787322203.gitgitgadget@gmail.com>


* ps/fetch-packfile-uris-parallel (2026-08-21) 2 commits
- fetch-pack: allow parallelizing packfile URI fetches
- fetch-pack: prepare for threaded fetching of packfile URIs

The `git fetch` and `git clone` commands have been optimized to
download packfile URIs in parallel when the new
`fetch.packfileURIThreads` configuration is set, significantly
speeding up fetches from servers that advertise multiple packfiles.

Needs review.
source: <20260821-pks-parallelize-fetching-packfile-uris-v1-0-0df52d9427ce@pks.im>


* ps/odb-geometric-repack-loose-threshold (2026-08-11) 1 commit
- odb/files: be less aggressive with geometric repacking

The threshold for geometric repacking to trigger based on loose
object count has been adjusted to match that of 'git gc --auto',
preventing over-aggressive repacking during concurrent writes.

Will merge to 'next'?
cf. <aoTcxJSmKWNhnjZ9@denethor>
cf. <CABPp-BHgyVTHB_OGmCL4JprFFe6_MapOQNSjUOhJxu-+oWbErg@mail.gmail.com>
source: <20260811-pks-geometric-maintenance-reduce-frequency-v1-1-7a54c42355ac@pks.im>

--------------------------------------------------
[Stalled]

* hs/rebase-continue-edit (2026-07-21) 1 commit
- rebase: add --[no-]edit to --continue

Support for skipping the editor when continuing a rebase after
conflict resolution has been added with the '--no-edit' option, and
forcing it with '--edit'. A new configuration variable
'rebase.noEdit' can be used to set the default behavior.

Waiting for response for too long, stalled.
cf. <xmqqldb4xlqa.fsf@gitster.g>
cf. <db7edc66-9b2a-47bc-98db-87d01885cef0@gmail.com>
source: <20260721140443.1809379-2-hugo@hsal.es>

--------------------------------------------------
[Cooking]

* kn/receive-report-hook (2026-08-21) 1 commit
- hook: introduce the report hook for git-receive-pack(1)

A new hook 'report' is added to 'git receive-pack', which runs after
@ -62,8 +121,8 @@ Release tarballs are available at:
packet-line status report sent back to the client.

Expecting a reroll.
cf. <CAOLa=ZSuzd3FozharJ_1LRgaQdpY+eRZnMOJYoLJNvPXiait1w@mail.gmail.com>
source: <20260818-758-introduce-hook-v1-1-8a8d89e65838@gmail.com>
cf. <CAOLa=ZTkW14coLA4st-m6B6P-9pUr+Yzh7Ph6nb0ohXJSbTk4A@mail.gmail.com>
source: <20260821-758-introduce-hook-v2-1-e90e2f7ac2cf@gmail.com>


* en/midx-missing-pack-fallback (2026-08-18) 2 commits
@ -107,10 +166,8 @@ Release tarballs are available at:
mechanism, removing backend-specific leakage from central lookup
paths.

Waiting for review.
Will merge to 'next'.
cf. <CAOLa=ZTVxdVAJynKjb0LjmZ-+b5nQmyD0Bm-aT81rOOdJ0a5yg@mail.gmail.com>
cf. <aocNsR60-8W2A-fy@pks.im>
cf. <aocNq1N9MWS4BeaJ@pks.im>
source: <20260819-pks-odb-generic-corrupt-objects-v2-0-a984e3a0ad6f@pks.im>


@ -141,7 +198,7 @@ Release tarballs are available at:
source: <c6a8cdac36d2202055d637ebcc97e484122cdcd4.1787158152.git.friel@openai.com>


* kh/doc-datamodel (2026-08-20) 4 commits
* kh/doc-datamodel (2026-08-23) 4 commits
- doc: datamodel: link to the glossary
- doc: glossary: link four of the terms to gitdatamodel(7)
- doc: git: link to the gitdatamodel(7) tutorial
@ -151,10 +208,10 @@ Release tarballs are available at:
of key documentaiton pages.

Needs review.
source: <CV_doc_datamodel_advertize.bea@msgid.xyz>
source: <V2_CV_doc_datamodel_advertize.c20@msgid.xyz>


* yn/worktree-repair-relative (2026-08-20) 1 commit
* yn/worktree-repair-relative (2026-08-21) 1 commit
- worktree repair: detect relative path in .git file correctly

The git worktree repair command failed to rewrite the .git file of
@ -162,146 +219,11 @@ Release tarballs are available at:
command was run in the working tree itself. The
read_gitfile_gently() function was modified to also return whether
the path originally recorded in the file was absolute, and this new
capability is used to correctly detect such mismatches.
capability is used to correctly detect such mismatches.

Needs review.
source: <pull.2205.v2.git.1787240760069.gitgitgadget@gmail.com>
source: <pull.2205.v3.git.1787344586470.gitgitgadget@gmail.com>

--------------------------------------------------
[Graduated to 'master']

* hn/bisect-reset-when-found (2026-08-02) 2 commits
(merged to 'next' on 2026-08-11 at cad4ed37c6)
+ bisect: add --reset-when-found to leave when done
+ bisect: let bisect_reset() optionally check out quietly

The 'git bisect' command has been taught a
'--reset-when-found[=<where>]' option that tells the command to
automatically run 'git bisect reset' to jump back to the original
state or to the found culprit.

Graduated to 'master'.
cf. <xmqqldajjgn3.fsf@gitster.g>
source: <pull.2335.v6.git.git.1785705860.gitgitgadget@gmail.com>


* hn/branch-delete-merged (2026-08-05) 7 commits
(merged to 'next' on 2026-08-13 at 07f0138e2e)
+ branch: add --dry-run for --delete-merged
+ branch: add branch.<name>.deleteMerged opt-out
+ branch: add --delete-merged <pattern>
+ branch: prepare delete_branches for a bulk caller
+ branch: let delete_branches skip unmerged branches on bulk refusal
+ branch: convert delete_branches() to a flags argument
+ branch: add --forked filter for --list mode

The 'git branch' command has been taught the '--delete-merged' option
to remove local branches that are already merged into their tracked
remote-tracking branches.

Graduated to 'master'.
cf. <10b22a6b-e028-469c-a117-8dc2ed5bed3b@gmail.com>
source: <pull.2285.v25.git.git.1785939877.gitgitgadget@gmail.com>


* kh/doc-refs-migrate-limitations (2026-08-05) 2 commits
(merged to 'next' on 2026-08-11 at 2eb1041920)
+ doc: refs: linkgit to git-maintenance(1)
+ doc: refs: put ref migration warning under the command

The known limitations of the ref format migration in 'git refs' have
been moved to be displayed as a warning admonition directly under the
description of the 'migrate' subcommand, improving visibility. A
reference to 'git-maintenance' has also been corrected to use the
'linkgit' macro.

Graduated to 'master'.
cf. <anQYWlv3UhpS3iE7@pks.im>
cf. <CAOLa=ZQQnrRca60BAfnm6Azu=bHvnoVhcGwQ3KkDT7yqLDd8Dw@mail.gmail.com>
source: <V3_CV_git_ref_migration_warning.b23@msgid.xyz>


* kh/doc-trailers (2026-08-09) 11 commits
(merged to 'next' on 2026-08-13 at 2966f0265a)
+ doc: interpret-trailers: document comment line treatment
+ doc: interpret-trailers: rewrite new-trailers paragraphs
+ doc: interpret-trailers: commit to “trailer block” term
+ doc: interpret-trailers: join new-trailers again
+ doc: interpret-trailers: add key format example
+ doc: interpret-trailers: explain key format
+ doc: interpret-trailers: explain the format after the intro
+ doc: interpret-trailers: not just for commit messages
+ doc: interpret-trailers: use “metadata” in Name as well
+ doc: interpret-trailers: replace “lines” with “metadata”
+ doc: interpret-trailers: stop fixating on RFC 822
(this branch is used by kh/trailers-no-urls.)

Documentation for 'git interpret-trailers' has been updated to explain
the format of trailer keys (alphanumeric characters and hyphens),
replace outdated terminology, define key terms upfront, and document
how comment lines in the input are treated.

Graduated to 'master'.
cf. <0687D60D-DF6B-4547-868C-FCFC5B27ECAF@gmail.com>
source: <V5_CV_doc_int-tr_key_format.b26@msgid.xyz>


* ps/odb-make-creation-pluggable (2026-08-06) 6 commits
(merged to 'next' on 2026-08-13 at 749fa77ae1)
+ odb: make creation of on-disk structures pluggable
+ odb/source: introduce function to map source type to name
+ setup: defer object database creation
+ setup: handle ODB-related environment variables in `odb_new()`
+ setup: detangle loading of loose object maps
+ loose: load loose object map for the correct source
(this branch is used by ps/odb-eagerly-load-alternates.)

The creation of the on-disk data structures for the object database
has been made pluggable, allowing future backends to customize their
setup. As part of this, the initialization of the object database
has been deferred, and the loading of the loose-object map has been
detangled from repository initialization.

Graduated to 'master'.
cf. <87jyq24cxm.fsf@emacs.iotcl.com>
source: <20260807-pks-odb-create-on-disk-v5-0-399da0b0b140@pks.im>


* ps/writev (2026-08-06) 5 commits
(merged to 'next' on 2026-08-11 at bc2a935c92)
+ fast-import: use writev(3p) to send cat-blob responses
+ sideband: use writev(3p) to send pktlines
+ wrapper: properly handle MAX_IO_SIZE in writev(3p)
+ wrapper: introduce writev(3p) wrappers
+ compat/posix: introduce writev(3p) wrapper

A compatibility wrapper for writev(3p) has been reintroduced,
including fixes for CMake build and 'MAX_IO_SIZE' limits on NonStop.
Calls to write(3p) in send_sideband() and cat_blob() have been
refactored to use writev(3p) wrappers to reduce syscall overhead.

Graduated to 'master'.
cf. <xmqqcxvvhu6q.fsf@gitster.g>
source: <20260807-pks-reintroduce-writev-v2-0-30fcff0e89c1@pks.im>

--------------------------------------------------
[Stalled]

* hs/rebase-continue-edit (2026-07-21) 1 commit
- rebase: add --[no-]edit to --continue

Support for skipping the editor when continuing a rebase after
conflict resolution has been added with the '--no-edit' option, and
forcing it with '--edit'. A new configuration variable
'rebase.noEdit' can be used to set the default behavior.

Waiting for response for too long, stalled.
cf. <xmqqldb4xlqa.fsf@gitster.g>
cf. <db7edc66-9b2a-47bc-98db-87d01885cef0@gmail.com>
source: <20260721140443.1809379-2-hugo@hsal.es>

--------------------------------------------------
[Cooking]

* sk/object-name-use-after-free (2026-08-17) 1 commit
(merged to 'next' on 2026-08-20 at b0804dff5f)
@ -359,9 +281,10 @@ Release tarballs are available at:
'pack-objects' and enabling alternative ODBs to serve packfiles
themselves.

Expecting a reroll.
cf. <aobnos_v8xko0w57@pks.im>
source: <20260820-b4-pks-odb-generate-pack-v3-0-bc42252f6169@pks.im>
Will merge to 'next'?
cf. <CABPp-BHAeb5Q6kWw8e0fz9+avKyJL0_k7cUzRhesHScJjB3Xfw@mail.gmail.com>
cf. <CAOLa=ZQMjb1SzYTVVuMF0ajmre_5_q=L6bmSQwYY233f-RiVXA@mail.gmail.com>
source: <20260821-b4-pks-odb-generate-pack-v4-0-074e8bd641f8@pks.im>


* ty/repository-fetch-if-missing (2026-08-14) 1 commit
@ -376,17 +299,16 @@ Release tarballs are available at:
source: <20260815064747.2196896-1-cat@malon.dev>


* ns/ref-symref-additional-tests (2026-08-13) 2 commits
- t1401: test symbolic-ref exit codes on a non-symbolic ref
* ns/ref-symref-additional-tests (2026-08-20) 2 commits
- t1402: test forbidden characters in refnames
- t1401: check symbolic-ref exit codes and --quiet silence

A few additional tests.

Expecting a reroll.
cf. <20260820151325.58087-1-nikolauspschuetz@gmail.com>
cf. <20260820144648.47267-1-nikolauspschuetz@gmail.com>
source: <pull.2204.git.1786655554197.gitgitgadget@gmail.com>
source: <pull.2203.git.1786653837190.gitgitgadget@gmail.com>
Waiting for response.
cf. <xmqq5x13stxt.fsf@gitster.g>
source: <pull.2203.v2.git.1787264417682.gitgitgadget@gmail.com>
source: <pull.2204.v2.git.1787264402361.gitgitgadget@gmail.com>


* en/diff-l-opt-help (2026-08-13) 1 commit
@ -453,7 +375,7 @@ Release tarballs are available at:
source: <pull.2198.v2.git.1786528498689.gitgitgadget@gmail.com>


* jt/receive-pack-pluggable-writes (2026-08-19) 9 commits
* jt/receive-pack-pluggable-writes (2026-08-20) 9 commits
- odb/transaction: add transaction interface to write packfiles
- odb: return temporary ODB source when set
- builtin/receive-pack: explicitly pass packfile fd
@ -468,12 +390,10 @@ Release tarballs are available at:
transaction interface for writing incoming packfiles, making it more
backend-agnostic.

Expecting a reroll.
cf. <aodyeILDMaBOX--K@denethor>
cf. <aoaiz7M1oGboydY4@pks.im>
cf. <aoaiy1wmSXjL30-m@pks.im>
cf. <aoaixMF1biKYhWN2@pks.im>
source: <20260819215311.3880274-1-jltobler@gmail.com>
Will merge to 'next'?
cf. <aohD54ZQEyybw008@pks.im>
cf. <xmqqo6evqzsu.fsf@gitster.g>
source: <20260820234940.894624-1-jltobler@gmail.com>


* jc/complete-checkout (2026-08-13) 4 commits
@ -529,10 +449,9 @@ Release tarballs are available at:
for scattered lazy-loading calls throughout the codebase and paves
the way for integrating alternates with the pluggable backends.

Waiting for response.
cf. <an36BA_Nw7eLAKYC@denethor>
cf. <CAOLa=ZT-ObRJ3t0XYAkL33CPDZ2ULu_5M7c477rr0pZBqTBi9w@mail.gmail.com>
cf. <xmqqmrugsryl.fsf@gitster.g>
Will merge to 'next'?
cf. <CAOLa=ZReodSXjEbQkFoxcofMLq6mUOjXANRg7bZ2uEKKQn=DXw@mail.gmail.com>
cf. <xmqqik53qz5j.fsf@gitster.g>
source: <20260817-pks-odb-eagerly-prepare-alternates-v3-0-1115a7e02467@pks.im>


@ -622,6 +541,7 @@ Release tarballs are available at:

Will merge to 'next'?
cf. <aoWP3TYq5rNjUx7S@pks.im>
cf. <xmqqse49uanx.fsf@gitster.g>
source: <20260813-history_autocompletion-v3-0-69eed1cea93a@kernel.org>


@ -636,7 +556,7 @@ Release tarballs are available at:
introduced to allow 'upload-pack' to lazily fetch missing objects from
configured promisor remotes when serving trusted repositories.

Waiting for response.
Waiting for response, stalled.
cf. <xmqq1pc0mr5i.fsf@gitster.g>
cf. <xmqqecg0oabe.fsf@gitster.g>
cf. <xmqqy0e8mv0k.fsf@gitster.g>
@ -657,6 +577,7 @@ Release tarballs are available at:

Needs review.
cf. <xmqqa4qgsn20.fsf@gitster.g>
cf. <aoaP7oIrR_Bpvx34@pks.im>
source: <cover.1787231825.git.ben.knoble@gmail.com>


@ -746,12 +667,12 @@ Release tarballs are available at:
given to create a new branch, causing the explicit branch name to
be ignored, which has been corrected.

Will merge to 'next'?
Will merge to 'next'.
cf. <xmqqecfssnk0.fsf@gitster.g>
source: <pull.2192.v4.git.1787221888406.gitgitgadget@gmail.com>


* yn/worktree-ambiguous-remote-advice (2026-08-20) 3 commits
* yn/worktree-ambiguous-remote-advice (2026-08-21) 3 commits
- worktree add: improve message for ambiguous remote branch name
- checkout: improve message for ambiguous remote branch name
- checkout: extract function to display advice for ambiguous remotes
@ -760,7 +681,7 @@ Release tarballs are available at:
specified, which has been corrected.

Needs review.
source: <pull.2197.v6.git.1787259838.gitgitgadget@gmail.com>
source: <pull.2197.v7.git.1787368962.gitgitgadget@gmail.com>


* hn/ci-cancel-stale-pr-runs (2026-07-31) 1 commit
@ -793,11 +714,15 @@ Release tarballs are available at:
- trailers: stop recognizing URLs as trailers
- Merge branch 'kh/doc-trailers' into kh/trailers-no-urls

The trailers code has been taught to avoid mistaking a line that has
'<token>://' at the beginning as a trailer line.
The trailer parsing machinery has been updated to avoid mistaking
lines that begin with a URL (e.g., 'https://...') as trailer lines.
This prevents intended textual URLs from being mangled or mistakenly
treated as metadata keys.

Needs review.
source: <V2_URLs_not_trailers.bf3@msgid.xyz>
Will merge to 'next'?
cf. <20260821004248.GA296777@coredump.intra.peff.net>
cf. <xmqqecfrqxic.fsf@gitster.g>
source: <V3_URLs_not_trailers.bfc@msgid.xyz>


* cl/regexec-macos-leak (2026-07-28) 2 commits
@ -843,7 +768,7 @@ Release tarballs are available at:
been updated to correctly handle or gracefully reject duplicate
entries.

Waiting for response.
Waiting for response for too long, stalled.
cf. <xmqqecgs3vg6.fsf@gitster.g>
source: <cover.1784927134.git.ttaylorr@openai.com>

@ -901,9 +826,8 @@ Release tarballs are available at:
root, superproject working tree, object database, etc.), supporting
both absolute and relative path formats.

Waiting for response.
cf. <6E2B0ADE-2101-47AC-B11B-315897AC2AF9@gmail.com>
cf. <xmqqlda3z773.fsf@gitster.g>
Expecting a reroll.
cf. <CA+rGoLcFojrG4yfFG2OB+p-qJie==-Xz89Cysjz1mTLw8Xzukw@mail.gmail.com>
source: <20260806101556.162940-1-jayatheerthkulkarni2005@gmail.com>