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What's cooking (2026/03 #10)

todo
Junio C Hamano 2026-03-24 15:39:29 -07:00
parent 98b621f6d3
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@ -1,10 +1,10 @@
To: git@vger.kernel.org
Subject: What's cooking in git.git (Mar 2026, #09)
X-master-at: 1080981ddb03a072f1e6b55c6325c2af731e733c
X-next-at: aa363f00f1017ba2d0ed58153d65d48a48e616ea
Subject: What's cooking in git.git (Mar 2026, #10)
X-master-at: ce74208c2fa13943fffa58f168ac27a76d0eb789
X-next-at: 1066ffbbbe6c1c2269adf9776976e2ba993621db
Bcc: lwn@lwn.net, gitster@pobox.com

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

Here are the topics that have been cooking in my tree. Commits
@ -48,71 +48,152 @@ Release tarballs are available at:
--------------------------------------------------
[Graduated to 'master']

* ac/help-sort-correctly (2026-03-11) 1 commit
(merged to 'next' on 2026-03-16 at db220e143f)
+ help: cleanup the contruction of keys_uniq
* dd/cocci-do-not-pass-strbuf-by-value (2026-03-15) 3 commits
(merged to 'next' on 2026-03-18 at a2ffed1127)
+ stash: do not pass strbuf by value
+ coccinelle: detect struct strbuf passed by value
+ Merge branch 'dd/list-objects-filter-options-wo-strbuf-split' into dd/cocci-do-not-pass-strbuf-by-value

The code in "git help" that shows configuration items in sorted
order was awkwardly organized and prone to bugs.
source: <20260311192453.62213-1-amishhhaaaa@gmail.com>
Add a coccinelle rule to break the build when "struct strbuf" gets
passed by value.
source: <20260315094445.19849-1-deveshigurgaon@gmail.com>


* bb/imap-send-openssl-4.0-prep (2026-03-11) 3 commits
(merged to 'next' on 2026-03-16 at 0baab97778)
+ imap-send: move common code into function host_matches()
+ imap-send: use the OpenSSL API to access the subject common name
+ imap-send: use the OpenSSL API to access the subject alternative names
* gj/user-manual-fix-grep-example (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at dbf9137a9d)
+ doc: fix git grep args order in Quick Reference

"imap-send" used to use functions whose use is going to be removed
with OpenSSL 4.0; rewrite them using public API that has been
available since OpenSSL 1.1 since 2016 or so.
source: <20260311121107.1122387-1-dev+git@drbeat.li>
Fix an example in the user-manual.
source: <pull.2069.git.1773670536808.gitgitgadget@gmail.com>


* cf/constness-fixes (2026-03-08) 2 commits
(merged to 'next' on 2026-03-13 at 3c80964399)
+ dir: avoid -Wdiscarded-qualifiers in remove_path()
+ bloom: remove a misleading const qualifier
* jk/transport-color-leakfix (2026-03-14) 1 commit
(merged to 'next' on 2026-03-17 at c2d7c74d11)
+ transport: plug leaks in transport_color_config()

Small code clean-up around the constness area.
source: <3ad40c3d0762c2e8c14792dfb68cba9f63a883a3.1773026586.git.collin.funk1@gmail.com>
Leakfix.
source: <20260314160814.GA918806@coredump.intra.peff.net>


* jc/test-allow-sed-with-ere (2026-03-11) 1 commit
(merged to 'next' on 2026-03-16 at be057bed35)
+ t: allow use of "sed -E"
* jt/fast-import-sign-again (2026-03-12) 3 commits
(merged to 'next' on 2026-03-17 at e04808d5f2)
+ fast-import: add mode to sign commits with invalid signatures
+ gpg-interface: allow sign_buffer() to use default signing key
+ commit: remove unused forward declaration

Adjust test-lint to allow "sed -E" to use ERE in the patterns.
source: <xmqq3425lvtq.fsf@gitster.g>
"git fast-import" learned to optionally replace signature on
commits whose signatures get invalidated due to replaying by
signing afresh.
source: <20260313013938.2742124-1-jltobler@gmail.com>


* ms/t7605-test-path-is-helpers (2026-03-10) 1 commit
(merged to 'next' on 2026-03-16 at 49facdec9f)
+ t7605: use test_path_is_file instead of test -f
* mf/t0008-cleanup (2026-03-15) 1 commit
(merged to 'next' on 2026-03-17 at 2bb0e51243)
+ t0008: improve test cleanup to fix failing test

Test clean-up.
source: <20260316011544.13825-1-mroik@delayed.space>


* pb/t4200-test-path-is-helpers (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at a78771f93e)
+ t4200: convert test -[df] checks to test_path_* helpers

Test clean-up.
source: <20260316172457.38242-1-prashantjee2025@gmail.com>


* ps/clar-wo-path-max (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at 1d2f28a677)
+ clar: update to fix compilation on platforms without PATH_MAX

Clar (unit testing framework) update from the upstream.
source: <20260316-b4-pks-clar-without-path-max-v1-1-40b4bc91fdc0@pks.im>


* ps/history-split (2026-03-02) 8 commits
(merged to 'next' on 2026-03-17 at 456723f018)
+ builtin/history: implement "split" subcommand
+ builtin/history: split out extended function to create commits
+ cache-tree: allow writing in-memory index as tree
+ add-patch: allow disabling editing of hunks
+ add-patch: add support for in-memory index patching
+ add-patch: remove dependency on "add-interactive" subsystem
+ add-patch: split out `struct interactive_options`
+ add-patch: split out header from "add-interactive.h"

"git history" learned the "split" subcommand.
source: <20260302-pks-history-split-v1-0-444fc987a324@pks.im>


* ps/upload-pack-buffer-more-writes (2026-03-12) 10 commits
(merged to 'next' on 2026-03-18 at 138ad42ac5)
+ builtin/pack-objects: reduce lock contention when writing packfile data
+ csum-file: drop `hashfd_throughput()`
+ csum-file: introduce `hashfd_ext()`
+ sideband: use writev(3p) to send pktlines
+ wrapper: introduce writev(3p) wrappers
+ compat/posix: introduce writev(3p) wrapper
+ upload-pack: reduce lock contention when writing packfile data
+ upload-pack: prefer flushing data over sending keepalive
+ upload-pack: adapt keepalives based on buffering
+ upload-pack: fix debug statement when flushing packfile data

Reduce system overhead "git upload-pack" spends on relaying "git
pack-objects" output to the "git fetch" running on the other end of
the connection.
source: <20260313-pks-upload-pack-write-contention-v4-0-7a9668061f7f@pks.im>


* rj/pack-refs-tests-path-is-helpers (2026-03-15) 1 commit
(merged to 'next' on 2026-03-17 at 56374095e3)
+ t/pack-refs-tests: use test_path_is_missing

Test updates.
source: <pull.2067.v2.git.1773183022175.gitgitgadget@gmail.com>
source: <20260315081032.497-1-riteshjd75@gmail.com>


* ng/submodule-default-remote (2026-03-03) 1 commit
(merged to 'next' on 2026-03-16 at d41fd28450)
+ submodule: fetch missing objects from default remote
* ss/t0410-delete-object-cleanup (2026-03-12) 1 commit
(merged to 'next' on 2026-03-17 at a8d41f4c1f)
+ t0410: modernize delete_object helper

Instead of hardcoded 'origin', use the configured default remote
when fetching from submodules.
source: <20260303234044.105157-1-nasser.grainawi@oss.qualcomm.com>
Test clean-up.
source: <20260313053159.36492-1-r.siddharth.shrimali@gmail.com>


* ty/mktree-wo-the-repository (2026-03-12) 1 commit
(merged to 'next' on 2026-03-16 at 8d20ceb853)
+ builtin/mktree: remove USE_THE_REPOSITORY_VARIABLE
* ty/doc-diff-u-wo-number (2026-03-10) 1 commit
(merged to 'next' on 2026-03-18 at 8a410154ff)
+ diff: document -U without <n> as using default context

Code clean-up.
source: <20260312164203.964033-1-cat@malon.dev>
"git diff -U<num>" was too lenient in its command line parsing and
took an empty string as a valid <num>.
source: <20260310095017.131957-1-cat@malon.dev>


* yc/histogram-hunk-shift-fix (2026-03-02) 1 commit
(merged to 'next' on 2026-03-18 at 5e49edc821)
+ xdiff: re-diff shifted change groups when using histogram algorithm

The final clean-up phase of the diff output could turn the result of
histogram diff algorithm suboptimal, which has been corrected.
source: <pull.2120.v2.git.git.1772463265865.gitgitgadget@gmail.com>

--------------------------------------------------
[New Topics]

* jt/fast-import-signed-modes (2026-03-24) 4 commits
- fast-import: add 'abort-if-invalid' mode to '--signed-tags=<mode>'
- fast-import: add 'sign-if-invalid' mode to '--signed-tags=<mode>'
- fast-import: add 'strip-if-invalid' mode to '--signed-tags=<mode>'
- fast-import: add 'abort-if-invalid' mode to '--signed-commits=<mode>'

Handling of signed commits and tags in fast-import has been made more
configurable.
source: <20260324215513.764739-1-jltobler@gmail.com>

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

* ps/graph-lane-limit (2026-03-23) 3 commits
- graph: add documentation and tests about --graph-lane-limit
- graph: truncate graph visual output
@ -126,13 +207,16 @@ Release tarballs are available at:
source: <20260323215935.74486-1-pabloosabaterr@gmail.com>


* rs/use-strvec-pushv (2026-03-19) 1 commit
- use strvec_pushv() to add another strvec
* rs/use-strvec-pushv (2026-03-24) 2 commits
(merged to 'next' on 2026-03-24 at 7c6487dcaf)
+ use strvec_pushv() to add another strvec
+ Merge branch 'ps/build-tweaks' into rs/use-strvec-pushv
(this branch uses ps/build-tweaks.)

Code paths that loop over another array to push each element into a
strvec have been rewritten to use strvec_pushv() instead.

Will merge to 'next'.
Will merge to 'master'.
source: <084f3b43-91ac-4553-8305-03944e97eaa6@web.de>


@ -161,19 +245,17 @@ Release tarballs are available at:
source: <20260323080520.887550-1-christian.couder@gmail.com>


* kj/refspec-parsing-outside-repository (2026-03-21) 2 commits
* kj/refspec-parsing-outside-repository (2026-03-23) 2 commits
- refspec: fix typo in comment
- refspec: safely parse refspecs outside a repository
- remote-curl: fall back to default hash outside repo

"git ls-remote '+refs/tags/*:refs/tags/*' https://..." run outside a
repository would dereference a NULL while trying to see if the given
refspec is a single-object refspec, which has been corrected.

Will merge to 'next'?
source: <20260322023557.15907-1-jayatheerthkulkarni2005@gmail.com>
source: <20260324015734.18470-1-jayatheerthkulkarni2005@gmail.com>

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

* jk/diff-highlight-identical-pairs (2026-03-17) 1 commit
(merged to 'next' on 2026-03-20 at a8aa5bd14e)
@ -188,21 +270,22 @@ Release tarballs are available at:


* jk/diff-highlight-more (2026-03-22) 9 commits
- diff-highlight: fetch all config with one process
- diff-highlight: allow module callers to pass in color config
- diff-highlight: test color config
- diff-highlight: use test_decode_color in tests
- t: add matching negative attributes to test_decode_color
- diff-highlight: check diff-highlight exit status in tests
- diff-highlight: drop perl version dependency back to 5.8
- diff-highlight: mention build instructions
- Merge branch 'jk/diff-highlight-identical-pairs' into jk/diff-highlight-more
(merged to 'next' on 2026-03-24 at e7b555cbc5)
+ diff-highlight: fetch all config with one process
+ diff-highlight: allow module callers to pass in color config
+ diff-highlight: test color config
+ diff-highlight: use test_decode_color in tests
+ t: add matching negative attributes to test_decode_color
+ diff-highlight: check diff-highlight exit status in tests
+ diff-highlight: drop perl version dependency back to 5.8
+ diff-highlight: mention build instructions
+ Merge branch 'jk/diff-highlight-identical-pairs' into jk/diff-highlight-more
(this branch uses jk/diff-highlight-identical-pairs.)

Various updates to contrib/diff-highlight, including documentation
updates, test improvements, and color configuration handling.

Will merge to 'next'.
Will merge to 'master'.
source: <20260323060139.GA10215@coredump.intra.peff.net>


@ -305,24 +388,25 @@ Release tarballs are available at:
source: <20260317011544.65952-1-jerrywang183@yahoo.com>


* ps/commit-graph-overflow-fix (2026-03-17) 1 commit
* ps/commit-graph-overflow-fix (2026-03-23) 1 commit
- commit-graph: fix writing generations with dates exceeding 34 bits

Fix a regression in writing the commit-graph where commits with dates
exceeding 34 bits (beyond year 2514) could cause an underflow and
crash Git during the generation data overflow chunk writing.

Needs review.
source: <20260317-pks-commit-graph-overflow-v1-1-e6bee22cd826@pks.im>
Waiting for review response.
cf. <xmqq1ph92pzs.fsf@gitster.g>
source: <20260324-pks-commit-graph-overflow-v2-1-843568cf8780@pks.im>


* tc/replay-down-to-root (2026-03-17) 1 commit
* tc/replay-down-to-root (2026-03-24) 1 commit
- replay: support replaying down from root commit

git replay now supports replaying down to the root commit.

Needs review.
source: <20260317-toon-replay-down-to-root-v1-1-cb5c249e15fd@iotcl.com>
Will merge to 'next'?
source: <20260324-toon-replay-down-to-root-v2-1-34e723489f6e@iotcl.com>


* mr/merge-file-object-id-worktree-fix (2026-03-10) 1 commit
@ -403,7 +487,7 @@ Release tarballs are available at:
source: <xmqq4imbigvt.fsf@gitster.g>


* ps/odb-generic-object-name-handling (2026-03-20) 15 commits
* ps/odb-generic-object-name-handling (2026-03-20) 16 commits
- odb: introduce generic `odb_find_abbrev_len()`
- object-file: move logic to compute packed abbreviation length
- object-name: move logic to compute loose abbreviation length
@ -419,6 +503,7 @@ Release tarballs are available at:
- oidtree: extend iteration to allow for arbitrary return codes
- oidtree: modernize the code a bit
- Merge branch 'ps/object-counting' into ps/odb-generic-object-name-handling
- object-file: fix sparse 'plain integer as NULL pointer' error
(this branch uses ps/object-counting.)

Object name handling (disambiguation and abbreviation) has been
@ -441,11 +526,12 @@ Release tarballs are available at:


* bk/t5315-test-path-is-helpers (2026-03-19) 1 commit
- t5315: use test_path_is_file for loose-object check
(merged to 'next' on 2026-03-24 at f7374e8e70)
+ t5315: use test_path_is_file for loose-object check

Test clean-up.

Will merge to 'next'.
Will merge to 'master'.
source: <20260319180803.164335-1-elkhatabibilal@gmail.com>


@ -472,16 +558,6 @@ Release tarballs are available at:
source: <20260312214945.4050010-1-cshung@gmail.com>


* ss/t0410-delete-object-cleanup (2026-03-12) 1 commit
(merged to 'next' on 2026-03-17 at a8d41f4c1f)
+ t0410: modernize delete_object helper

Test clean-up.

Will merge to 'master'.
source: <20260313053159.36492-1-r.siddharth.shrimali@gmail.com>


* ej/ref-transaction-hook-preparing (2026-03-16) 1 commit
(merged to 'next' on 2026-03-20 at f9b8fbb0dc)
+ refs: add 'preparing' phase to the reference-transaction hook
@ -531,39 +607,6 @@ Release tarballs are available at:
source: <cover.1773591528.git.phillip.wood@dunelm.org.uk>


* dd/cocci-do-not-pass-strbuf-by-value (2026-03-15) 3 commits
(merged to 'next' on 2026-03-18 at a2ffed1127)
+ stash: do not pass strbuf by value
+ coccinelle: detect struct strbuf passed by value
+ Merge branch 'dd/list-objects-filter-options-wo-strbuf-split' into dd/cocci-do-not-pass-strbuf-by-value

Add a coccinelle rule to break the build when "struct strbuf" gets
passed by value.

Will merge to 'master'.
source: <20260315094445.19849-1-deveshigurgaon@gmail.com>


* gj/user-manual-fix-grep-example (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at dbf9137a9d)
+ doc: fix git grep args order in Quick Reference

Fix an example in the user-manual.

Will merge to 'master'.
source: <pull.2069.git.1773670536808.gitgitgadget@gmail.com>


* jk/transport-color-leakfix (2026-03-14) 1 commit
(merged to 'next' on 2026-03-17 at c2d7c74d11)
+ transport: plug leaks in transport_color_config()

Leakfix.

Will merge to 'master'.
source: <20260314160814.GA918806@coredump.intra.peff.net>


* jw/apply-corrupt-location (2026-03-17) 3 commits
(merged to 'next' on 2026-03-23 at 18e9b8f91f)
+ apply: report input location in binary and garbage patch errors
@ -578,66 +621,27 @@ Release tarballs are available at:
source: <20260317162321.71812-1-jerrywang183@yahoo.com>


* ps/clar-wo-path-max (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at 1d2f28a677)
+ clar: update to fix compilation on platforms without PATH_MAX

Clar (unit testing framework) update from the upstream.

Will merge to 'master'.
source: <20260316-b4-pks-clar-without-path-max-v1-1-40b4bc91fdc0@pks.im>


* rj/pack-refs-tests-path-is-helpers (2026-03-15) 1 commit
(merged to 'next' on 2026-03-17 at 56374095e3)
+ t/pack-refs-tests: use test_path_is_missing

Test updates.

Will merge to 'master'.
source: <20260315081032.497-1-riteshjd75@gmail.com>


* mf/format-patch-commit-list-format (2026-03-23) 9 commits
- format-patch: --commit-list-format without prefix
- format-patch: add preset for --commit-list-format
- format-patch: wrap generate_commit_list_cover()
- format.commitListFormat: strip meaning from empty
- docs/pretty-formats: add %(count) and %(total)
- format-patch: rename --cover-letter-format option
- format-patch: refactor generate_commit_list_cover
- pretty.c: better die message %(count) and %(total)
- Merge branch 'mf/format-patch-cover-letter-format' into mf/format-patch-commit-list-format
(merged to 'next' on 2026-03-24 at 0f5b6702eb)
+ format-patch: --commit-list-format without prefix
+ format-patch: add preset for --commit-list-format
+ format-patch: wrap generate_commit_list_cover()
+ format.commitListFormat: strip meaning from empty
+ docs/pretty-formats: add %(count) and %(total)
+ format-patch: rename --cover-letter-format option
+ format-patch: refactor generate_commit_list_cover
+ pretty.c: better die message %(count) and %(total)
+ Merge branch 'mf/format-patch-cover-letter-format' into mf/format-patch-commit-list-format
(this branch uses mf/format-patch-cover-letter-format.)

Improve the recently introduced `git format-patch
--commit-list-format` (formerly `--cover-letter-format`) option,
including a new "modern" preset and better CLI ergonomics.

Will merge to 'next'.
Will merge to 'master'.
source: <cover.1774284699.git.mroik@delayed.space>


* mf/t0008-cleanup (2026-03-15) 1 commit
(merged to 'next' on 2026-03-17 at 2bb0e51243)
+ t0008: improve test cleanup to fix failing test

Test clean-up.

Will merge to 'master'.
source: <20260316011544.13825-1-mroik@delayed.space>


* pb/t4200-test-path-is-helpers (2026-03-16) 1 commit
(merged to 'next' on 2026-03-17 at a78771f93e)
+ t4200: convert test -[df] checks to test_path_* helpers

Test clean-up.

Will merge to 'master'.
source: <20260316172457.38242-1-prashantjee2025@gmail.com>


* js/parseopt-subcommand-autocorrection (2026-03-16) 10 commits
- doc: document autocorrect API
- parseopt: add tests for subcommand autocorrection
@ -658,20 +662,6 @@ Release tarballs are available at:
source: <SY0P300MB080186A23FB9582AD793F0D1CE40A@SY0P300MB0801.AUSP300.PROD.OUTLOOK.COM>


* jt/fast-import-sign-again (2026-03-12) 3 commits
(merged to 'next' on 2026-03-17 at e04808d5f2)
+ fast-import: add mode to sign commits with invalid signatures
+ gpg-interface: allow sign_buffer() to use default signing key
+ commit: remove unused forward declaration

"git fast-import" learned to optionally replace signature on
commits whose signatures get invalidated due to replaying by
signing afresh.

Will merge to 'master'.
source: <20260313013938.2742124-1-jltobler@gmail.com>


* mf/apply-p-no-atoi (2026-03-15) 1 commit
(merged to 'next' on 2026-03-20 at 70a0a4313b)
+ apply.c: fix -p argument parsing
@ -692,6 +682,7 @@ Release tarballs are available at:
+ contrib: move "coverage-diff.sh" script into "tools/"
+ contrib: move "coccinelle/" directory into "tools/"
+ Introduce new "tools/" directory
(this branch is used by rs/use-strvec-pushv.)

Tweak the build infrastructure by moving tools around.

@ -699,8 +690,7 @@ Release tarballs are available at:
source: <20260319-b4-pks-build-infra-improvements-v3-0-82f5fb3edc3f@pks.im>


* ps/object-counting (2026-03-19) 8 commits
- object-file: fix sparse 'plain integer as NULL pointer' error
* ps/object-counting (2026-03-12) 7 commits
(merged to 'next' on 2026-03-17 at 8d3d9a1374)
+ odb: introduce generic object counting
+ odb/source: introduce generic object counting
@ -713,19 +703,8 @@ Release tarballs are available at:

The logic to count objects has been cleaned up.

Will merge to 'next' and then to 'master'.
source: <20260312-b4-pks-odb-source-count-objects-v2-0-5914f69256bf@pks.im>


* ty/doc-diff-u-wo-number (2026-03-10) 1 commit
(merged to 'next' on 2026-03-18 at 8a410154ff)
+ diff: document -U without <n> as using default context

"git diff -U<num>" was too lenient in its command line parsing and
took an empty string as a valid <num>.

Will merge to 'master'.
source: <20260310095017.131957-1-cat@malon.dev>
source: <20260312-b4-pks-odb-source-count-objects-v2-0-5914f69256bf@pks.im>


* kh/doc-interpret-trailers-1 (2026-03-16) 4 commits
@ -771,7 +750,8 @@ Release tarballs are available at:

Code clean-up around the recent "hooks defined in config" topic.

Will merge to 'next'?
Expecting a reroll?
cf. <acJNblQ8WRGIri0V@pks.im>
source: <20260320115211.177351-1-adrian.ratiu@collabora.com>


@ -832,23 +812,6 @@ Release tarballs are available at:
source: <20260305-cs-subtree-split-recursion-v2-0-7266be870ba9@howdoi.land>


* ps/history-split (2026-03-02) 8 commits
(merged to 'next' on 2026-03-17 at 456723f018)
+ builtin/history: implement "split" subcommand
+ builtin/history: split out extended function to create commits
+ cache-tree: allow writing in-memory index as tree
+ add-patch: allow disabling editing of hunks
+ add-patch: add support for in-memory index patching
+ add-patch: remove dependency on "add-interactive" subsystem
+ add-patch: split out `struct interactive_options`
+ add-patch: split out header from "add-interactive.h"

"git history" learned the "split" subcommand.

Will merge to 'master'.
source: <20260302-pks-history-split-v1-0-444fc987a324@pks.im>


* pt/promisor-lazy-fetch-no-recurse (2026-03-11) 1 commit
- promisor-remote: prevent lazy-fetch recursion in child fetch

@ -860,27 +823,6 @@ Release tarballs are available at:
source: <pull.2224.v3.git.git.1773238778894.gitgitgadget@gmail.com>


* ps/upload-pack-buffer-more-writes (2026-03-12) 10 commits
(merged to 'next' on 2026-03-18 at 138ad42ac5)
+ builtin/pack-objects: reduce lock contention when writing packfile data
+ csum-file: drop `hashfd_throughput()`
+ csum-file: introduce `hashfd_ext()`
+ sideband: use writev(3p) to send pktlines
+ wrapper: introduce writev(3p) wrappers
+ compat/posix: introduce writev(3p) wrapper
+ upload-pack: reduce lock contention when writing packfile data
+ upload-pack: prefer flushing data over sending keepalive
+ upload-pack: adapt keepalives based on buffering
+ upload-pack: fix debug statement when flushing packfile data

Reduce system overhead "git upload-pack" spends on relaying "git
pack-objects" output to the "git fetch" running on the other end of
the connection.

Will merge to 'master'.
source: <20260313-pks-upload-pack-write-contention-v4-0-7a9668061f7f@pks.im>


* mf/format-patch-cover-letter-format (2026-03-06) 5 commits
(merged to 'next' on 2026-03-09 at e872adca7b)
+ docs: add usage for the cover-letter fmt feature
@ -933,13 +875,14 @@ Release tarballs are available at:


* vp/http-rate-limit-retries (2026-03-17) 3 commits
- http: add support for HTTP 429 rate limit retries
- strbuf_attach: fix call sites to pass correct alloc
- strbuf: pass correct alloc to strbuf_attach() in strbuf_reencode()
(merged to 'next' on 2026-03-24 at 9cb4ec5fad)
+ http: add support for HTTP 429 rate limit retries
+ strbuf_attach: fix call sites to pass correct alloc
+ strbuf: pass correct alloc to strbuf_attach() in strbuf_reencode()

The HTTP transport learned to react to "429 Too Many Requests".

Will merge to 'next'.
Will merge to 'master'.
cf. <ab4RIZr7b49VKjR9@nand.local>
source: <pull.2008.v6.git.1773752435.gitgitgadget@gmail.com>

@ -962,17 +905,6 @@ Release tarballs are available at:
source: <20260320135311.331463-1-adrian.ratiu@collabora.com>


* yc/histogram-hunk-shift-fix (2026-03-02) 1 commit
(merged to 'next' on 2026-03-18 at 5e49edc821)
+ xdiff: re-diff shifted change groups when using histogram algorithm

The final clean-up phase of the diff output could turn the result of
histogram diff algorithm suboptimal, which has been corrected.

Will merge to 'master'.
source: <pull.2120.v2.git.git.1772463265865.gitgitgadget@gmail.com>


* en/xdiff-cleanup-3 (2026-01-03) 11 commits
. SQUASH??? cocci
. xdiff: move xdl_cleanup_records() from xprepare.c to xdiffi.c