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What's cooking (2024/11 #03)

todo
Junio C Hamano 2024-11-04 21:36:26 -08:00
parent ad5e110b92
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whats-cooking.txt
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@ -1,10 +1,10 @@
To: git@vger.kernel.org
Subject: What's cooking in git.git (Nov 2024, #02; Fri, 1)
Subject: What's cooking in git.git (Nov 2024, #03; Mon, 4)
X-master-at: 8f8d6eee531b3fa1a8ef14f169b0cb5035f7a772
X-next-at: c08e6fccd86136592273e319042f44cc8eadbb2a
Bcc: lwn@lwn.net, gitster@pobox.com

What's cooking in git.git (Nov 2024, #02; Fri, 1)
What's cooking in git.git (Nov 2024, #03; Mon, 4)
--------------------------------------------------

Here are the topics that have been cooking in my tree. Commits
@ -17,13 +17,6 @@ topic without enough support may be discarded after a long period of
no activity (of course they can be resubmit when new interests
arise).

Thanks everybody, especially Taylor, for keeping things going while
I was away. Unfortunately, we seem to have acquired way too many
topics that were posted and picked up without getting reviewed. As
we discussed a few months ago in <xmqqployf6z5.fsf@gitster.g>, I'll
start discarding topics that have seen no activities for 3 or more
weeks. Interested parties can of course revive these topics.

Copies of the source code to Git live in many repositories, and the
following is a list of the ones I push into or their mirrors. Some
repositories have only a subset of branches.
@ -53,7 +46,75 @@ Release tarballs are available at:
https://www.kernel.org/pub/software/scm/git/

--------------------------------------------------
[Graduated to 'master']
[New Topics]

* ak/t1016-style (2024-11-03) 1 commit
- t1016: clean up style

Test modernization.

Will merge to 'next'.
source: <20241103135111.13508-1-algonell@gmail.com>


* en/shallow-exclude-takes-a-ref-fix (2024-11-04) 2 commits
- doc: correct misleading descriptions for --shallow-exclude
- upload-pack: fix ambiguous error message

The "--shallow-exclude=<ref>" option to various history transfer
commands takes a ref, not an arbitrary revision.

Will merge to 'next'.
source: <pull.1822.git.1730746964.gitgitgadget@gmail.com>


* kh/sequencer-comment-char (2024-10-23) 1 commit
- sequencer: comment checked-out branch properly

The sequencer failed to honor core.commentString in some places.

Expecting a reroll.
cf. <c05e603f-1fd4-4ad2-ba03-21269f464ed2@gmail.com>
source: <5267b9a9c8cc5cc66979117dc4c1e4d7329e2a03.1729704370.git.code@khaugsbakk.name>


* ds/full-name-hash (2024-11-04) 7 commits
- test-tool: add helper for name-hash values
- pack-objects: disable --full-name-hash when shallow
- p5313: add size comparison test
- git-repack: update usage to match docs
- pack-objects: add GIT_TEST_FULL_NAME_HASH
- repack: add --full-name-hash option
- pack-objects: add --full-name-hash option

"git pack-objects" and its wrapper "git repack" learned an option
to use an alternative path-hash function to improve delta-base
selection to produce a packfile with deeper history than window
size.
Needs review.
source: <pull.1823.git.1730775907.gitgitgadget@gmail.com>

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

* jt/repack-local-promisor (2024-11-03) 5 commits
- fixup! index-pack: repack local links into promisor packs
- index-pack: repack local links into promisor packs
- t5300: move --window clamp test next to unclamped
- t0410: use from-scratch server
- t0410: make test description clearer

"git gc" discards any objects that are outside promisor packs that
are referred to by an object in a promisor pack, and we do not
refetch them from the promisor at runtime, resulting an unusable
repository. Work it around by including these objects in the
referring promisor pack at the receiving end of the fetch.

Needs review.
Breaks CI (with a known fix).
source: <cover.1730491845.git.jonathantanmy@google.com>


* ds/path-walk-1 (2024-10-31) 6 commits
- path-walk: mark trees and blobs as UNINTERESTING
@ -71,54 +132,6 @@ Release tarballs are available at:
source: <pull.1818.git.1730356023.gitgitgadget@gmail.com>


* tb/cross-pack-delta-reuse (2024-10-11) 11 commits
. pack-bitmap: enable reusing deltas with base objects in 'haves' bitmap
. pack-bitmap.c: record whether the result was filtered
. pack-bitmap: enable cross-pack delta reuse
. t5332: enable OFS_DELTAs via test_pack_objects_reused
. write_reused_pack_one(): translate bit positions directly
. pack-bitmap: drop `from_midx` field from `bitmapped_pack`
. pack-bitmap.c: extract `find_base_bitmap_pos()`
. pack-bitmap.c: compare `base_offset` to `delta_obj_offset`
. pack-bitmap.c: delay calling 'offset_to_pack_pos()'
. pack-bitmap.c: avoid unnecessary `offset_to_pack_pos()`
. pack-bitmap.c: do not pass `pack_pos` to `try_partial_reuse()`

Allow pack-objects to reuse an existing delta in a packfile, when
it ends up sending the base object from a different packfile.

Needs review.
source: <cover.1728505840.git.me@ttaylorr.com>


* tb/incremental-midx-part-2 (2024-10-04) 17 commits
. fixup! pack-bitmap.c: open and store incremental bitmap layers
. fixup! midx: implement writing incremental MIDX bitmaps
. midx: implement writing incremental MIDX bitmaps
. pack-bitmap.c: use `ewah_or_iterator` for type bitmap iterators
. pack-bitmap.c: keep track of each layer's type bitmaps
. ewah: implement `struct ewah_or_iterator`
. pack-bitmap.c: apply pseudo-merge commits with incremental MIDXs
. pack-bitmap.c: compute disk-usage with incremental MIDXs
. pack-bitmap.c: teach `rev-list --test-bitmap` about incremental MIDXs
. pack-bitmap.c: support bitmap pack-reuse with incremental MIDXs
. pack-bitmap.c: teach `show_objects_for_type()` about incremental MIDXs
. pack-bitmap.c: teach `bitmap_for_commit()` about incremental MIDXs
. pack-bitmap.c: open and store incremental bitmap layers
. pack-revindex: prepare for incremental MIDX bitmaps
. Documentation: describe incremental MIDX bitmaps
. Merge branch 'tb/pseudo-merge-bitmap-fixes' into tb/incremental-midx-part-2
. Merge branch 'tb/incremental-midx-part-1' into tb/incremental-midx-part-2

Incremental updates of multi-pack index files.

Needs review.
source: <cover.1723760847.git.me@ttaylorr.com>
source: <ZwBsbW5jsFw0mxKk@nand.local>

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

* bc/ancient-ci (2024-11-01) 3 commits
- Add additional CI jobs to avoid accidental breakage
- ci: remove clause for Ubuntu 16.04
@ -173,14 +186,15 @@ Release tarballs are available at:
source: <cover.1730234365.git.code@khaugsbakk.name>


* as/show-index-uninitialized-hash (2024-10-27) 1 commit
* as/show-index-uninitialized-hash (2024-11-04) 2 commits
- t5300: add test for 'show-index --object-format'
- show-index: fix uninitialized hash function

Regression fix for 'show-index' when run outside of a repository.

Expecting a reroll.
cf. <26d1bd3c-4f90-4406-8a1f-2eb085c46bab@gmail.com>
source: <20241026120950.72727-1-abhijeet.nkt@gmail.com>
cf. <xmqq4j4mv5o6.fsf@gitster.g>
source: <20241104192958.64310-1-abhijeet.nkt@gmail.com>


* ps/mingw-rename (2024-10-27) 3 commits
@ -465,125 +479,120 @@ Release tarballs are available at:
source: <cover.1729032373.git.steadmon@google.com>


* jt/commit-graph-missing (2024-11-01) 2 commits
. fetch-pack: warn if in commit graph but not obj db
. Revert "fetch-pack: add a deref_without_lazy_fetch_extended()"
* jt/commit-graph-missing (2024-11-04) 3 commits
- SQUASH???
- fetch-pack: warn if in commit graph but not obj db
- Revert "fetch-pack: add a deref_without_lazy_fetch_extended()"

A regression where commit objects missing from a commit-graph can
cause an infinite loop when doing a fetch in a partial clone has
been fixed.

Breaks CI.
cf. https://github.com/ttaylorr/git/actions/runs/11631453312/job/32392591229
Waiting an ack for CI breakage fix and possibly a reroll.
source: <cover.1730409376.git.jonathantanmy@google.com>


* kn/the-repository (2024-10-31) 9 commits
. midx: add repository to `multi_pack_index` struct
. config: make `packed_git_(limit|window_size)` non-global variables
. config: make `delta_base_cache_limit` a non-global variable
. packfile: pass down repository to `for_each_packed_object`
. packfile: pass down repository to `has_object[_kept]_pack`
. packfile: pass down repository to `odb_pack_name`
. packfile: pass `repository` to static function in the file
. packfile: use `repository` from `packed_git` directly
. packfile: add repository to struct `packed_git`
* kn/the-repository (2024-11-04) 9 commits
- midx: add repository to `multi_pack_index` struct
- config: make `packed_git_(limit|window_size)` non-global variables
- config: make `delta_base_cache_limit` a non-global variable
- packfile: pass down repository to `for_each_packed_object`
- packfile: pass down repository to `has_object[_kept]_pack`
- packfile: pass down repository to `odb_pack_name`
- packfile: pass `repository` to static function in the file
- packfile: use `repository` from `packed_git` directly
- packfile: add repository to struct `packed_git`

Various uses of 'the_repoository' in the packfile code have been
eliminated.

Breaks CI, and expecting another round.
cf. https://github.com/ttaylorr/git/actions/runs/11602969593/job/32309061019
source: <cover.1730366765.git.karthik.188@gmail.com>
Various implicit uses of 'the_repoository' in the packfile code
have been eliminated.

Needs review.
source: <cover.1730714298.git.karthik.188@gmail.com>

--------------------------------------------------
[Will Discard]
[Discarded]

* wf/diff-highlight-install (2024-10-14) 1 commit
- diff-highlight: make install link into DESTDIR
. diff-highlight: make install link into DESTDIR

Adds an 'install' recipe to diff-highlight's Makefile.

Will discard.
Discarded.
Have been in stalled state for too long without activity.
cf. <Zw2YXD6XEiQVKj9j@nand.local>
source: <pull.938.v3.git.git.1728764613835.gitgitgadget@gmail.com>


* am/git-blame-ignore-revs-by-default (2024-10-14) 2 commits
- blame: introduce --override-ignore-revs to bypass ignore revisions list
- blame: respect .git-blame-ignore-revs automatically
. blame: introduce --override-ignore-revs to bypass ignore revisions list
. blame: respect .git-blame-ignore-revs automatically

Teaches 'git blame' to treat '.git-blame-ignore-revs' as if it were
passed as '--ignore-revs-file' by default.

Will discard.
Discarded.
Stalled for too long, with many questions unanswered.
source: <pull.1809.v2.git.1728707867.gitgitgadget@gmail.com>


* jc/optional-path (2024-10-14) 3 commits
- parseopt: values of pathname type can be prefixed with :(optional)
- config: values of pathname type can be prefixed with :(optional)
- t7500: make each piece more independent
. parseopt: values of pathname type can be prefixed with :(optional)
. config: values of pathname type can be prefixed with :(optional)
. t7500: make each piece more independent

Teach configuration values of type "pathname" a new ':(optional)'
suffix.

Will discard.
Discarded.
In " Needs review." state for too long.
source: <20241014204427.1712182-1-gitster@pobox.com>


* jc/too-many-arguments (2024-08-06) 4 commits
- miscellaneous: avoid "too many arguments"
- notes: avoid "too many arguments"
- cat-file: avoid "too many arguments"
- refs: avoid "too many arguments"
. miscellaneous: avoid "too many arguments"
. notes: avoid "too many arguments"
. cat-file: avoid "too many arguments"
. refs: avoid "too many arguments"

Error message clarification.

Will discard.
Discarded.
In "On hold." state for too long.
source: <20240806003539.3292562-1-gitster@pobox.com>


* jc/strbuf-commented-something (2024-09-12) 2 commits
- strbuf: retire strbuf_commented_lines()
- strbuf: retire strbuf_commented_addf()
. strbuf: retire strbuf_commented_lines()
. strbuf: retire strbuf_commented_addf()

Update two functions whose callers always pass the same global
variable to omit the redundant parameter and use the global in the
callee themselves.

Will discard.
Discarded.
In "On hold." state for too long.
source: <20240912205301.1809355-1-gitster@pobox.com>


* ew/cat-file-optim (2024-08-25) 10 commits
- cat-file: use writev(2) if available
- cat-file: batch_write: use size_t for length
- cat-file: batch-command uses content_limit
- object_info: content_limit only applies to blobs
- packfile: packed_object_info avoids packed_to_object_type
- cat-file: use delta_base_cache entries directly
- packfile: inline cache_or_unpack_entry
- packfile: fix off-by-one in content_limit comparison
- packfile: allow content-limit for cat-file
- packfile: move sizep computation
. cat-file: use writev(2) if available
. cat-file: batch_write: use size_t for length
. cat-file: batch-command uses content_limit
. object_info: content_limit only applies to blobs
. packfile: packed_object_info avoids packed_to_object_type
. cat-file: use delta_base_cache entries directly
. packfile: inline cache_or_unpack_entry
. packfile: fix off-by-one in content_limit comparison
. packfile: allow content-limit for cat-file
. packfile: move sizep computation

"git cat-file --batch" has been optimized.

Will discard.
Discarded.
In "Waiting for review responses" state for too long.
source: <20240823224630.1180772-1-e@80x24.org>


--------------------------------------------------
[Discarded]

* hy/partial-repack-fix (2024-10-16) 3 commits
. partial-clone: update doc
. t0410: adapt tests to repack changes