What's cooking in git.git (Aug 2026, #13)
From: Junio C Hamano <hidden>
Date: 2026-08-31 19:31:13
Here are the topics that have been cooking in my tree. Commits prefixed with '+' are in 'next' (being in 'next' is a sign that a topic is stable enough to be used and is a candidate to be in a future release). Commits prefixed with '-' are only in 'seen', and aren't considered "accepted" at all. They may be annotated with a URL to a message that raises issues but they are by no means exhaustive. 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 21st batch of topics have now graduated to the 'master' branch. We have 601 non-merge commits in 'master' since Git 2.55. There are 51 non-merge commits cooking in 'next' (note that some have been reverted), and 187 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 following is a list of the ones I push into or their mirrors. Some repositories have only a subset of branches. With maint, master, next, seen, todo: git://git.kernel.org/pub/scm/git/git.git/ git://repo.or.cz/alt-git.git/ https://kernel.googlesource.com/pub/scm/git/git/ https://github.com/git/git/ https://gitlab.com/git-scm/git/ With all the integration branches and topics broken out: https://github.com/gitster/git/ Even though the preformatted documentation in HTML and man format are not sources, they are published in these repositories for convenience (replace "htmldocs" with "manpages" for the manual pages): git://git.kernel.org/pub/scm/git/git-htmldocs.git/ https://github.com/gitster/git-htmldocs.git/ Release tarballs are available at: https://www.kernel.org/pub/software/scm/git/ -------------------------------------------------- [Graduated to 'master'] * fr/pack-objects-trace-pack-bytes (2026-08-19) 1 commit (merged to 'next' on 2026-08-24 at dcc6a34978) + pack-objects: trace pack bytes written The pack-objects command has been updated to record the total bytes written to pack files in trace2 output, allowing performance analysis of different compression settings by comparing the resulting pack sizes. Graduated to 'master'. cf. [ref] cf. [ref] source: [ref] * jt/receive-pack-pluggable-writes (2026-08-20) 9 commits (merged to 'next' on 2026-08-24 at cf024e685d) + odb/transaction: add transaction interface to write packfiles + odb: return temporary ODB source when set + builtin/receive-pack: explicitly pass packfile fd + builtin/receive-pack: report unpack errors via strbuf + builtin/receive-pack: lift global state out of unpack() + builtin/receive-pack: read unpack limit config lazily + builtin/receive-pack: pass shallow file explicitly + odb/transaction: add transaction finalize interface + builtin/receive-pack: properly clean up keep files The 'git receive-pack' command has been updated to use a new ODB transaction interface for writing incoming packfiles, making it more backend-agnostic. Graduated to 'master'. cf. [ref] cf. <xmqqo6evqzsu.fsf@gitster.g> source: [ref] * kh/trailers-no-urls (2026-08-20) 1 commit (merged to 'next' on 2026-08-24 at 11e10f8626) + trailers: stop recognizing URLs as trailers + Merge branch 'kh/doc-trailers' into kh/trailers-no-urls 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. Graduated to 'master'. cf. [ref] cf. <xmqqecfrqxic.fsf@gitster.g> source: [ref] * ps/odb-eagerly-load-alternates (2026-08-17) 5 commits (merged to 'next' on 2026-08-24 at a431cd5887) + odb: drop `alternates_db` field + odb: drop `loaded_alternates` field + odb: eagerly initialize alternates + odb: decouple source path comparisons from `the_repository` + setup: create ref and object databases after config is written + Merge branch 'ps/odb-make-creation-pluggable' into ps/odb-eagerly-load-alternates (this branch is used by ps/odb-alternates-at-creation and ps/odb-pluggable-fsck.) The object database layer has been simplified by eagerly loading alternate object directories upon initialization, instead of deferring it to the first object lookup. This eliminates the need for scattered lazy-loading calls throughout the codebase and paves the way for integrating alternates with the pluggable backends. Graduated to 'master'. cf. [ref] cf. <xmqqik53qz5j.fsf@gitster.g> source: [ref] * ps/odb-generic-corrupt-objects (2026-08-19) 5 commits (merged to 'next' on 2026-08-23 at fe72e268a1) + odb: handle `OBJECT_INFO_DIE_IF_CORRUPT` generically + odb/source: allow `read_object_info()` to bubble up error messages + odb/source: let callers discern missing and corrupt objects + odb/source: introduce error status when reading objects + odb/source-packed: flag known-bad objects as corrupt and not missing (this branch is used by en/midx-missing-pack-fallback.) The object database (odb) API has been refactored to distinguish between missing objects and corrupt ones by returning more descriptive error statuses. Both the packed and loose backends now faithfully propagate error details using a generic strbuf error mechanism, removing backend-specific leakage from central lookup paths. Graduated to 'master'. cf. [ref] source: [ref] * ps/odb-geometric-repack-loose-threshold (2026-08-11) 1 commit (merged to 'next' on 2026-08-24 at f91738c4a4) + 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. Graduated to 'master'. cf. <aoTcxJSmKWNhnjZ9@denethor> cf. [ref] source: [ref] * ps/odb-pluggable-pack-generation (2026-08-20) 6 commits (merged to 'next' on 2026-08-24 at 4d8acd97d0) + bundle: generate packfiles via the object database + bundle: get (mostly) rid of `the_repository` + builtin/bundle: refactor option handling for progress meter + send-pack: generate packfiles via the object database + upload-pack: generate packfiles via the object database + odb: introduce interface to generate packfiles (this branch is used by ps/odb-pluggable-fsck.) The mechanism to generate a packfile corresponding to the result of a fetch/push has been made pluggable through a set of object database callback functions, removing hardcoded references to 'pack-objects' and enabling alternative ODBs to serve packfiles themselves. Graduated to 'master'. cf. [ref] cf. [ref] source: [ref] * vm/complete-history (2026-08-13) 4 commits (merged to 'next' on 2026-08-24 at f6498b4afc) + completion: complete 'git history split' pathspecs + completion: complete 'git history --update-refs' values + completion: complete 'git history --empty' values + completion: add 'git history' subcommands The command line completion (in contrib/) has been taught to handle the experimental 'git history' command. Graduated to 'master'. cf. [ref] cf. <xmqqse49uanx.fsf@gitster.g> source: [ref] * yn/worktree-add-no-dwim-with-b (2026-08-20) 1 commit (merged to 'next' on 2026-08-23 at 6e4bf24274) + worktree add: shouldn't dwim if -b or -B is given The DWIM logic in 'git worktree add' sometimes tried to infer a remote-tracking branch when an explicit '-b' or '-B' option was given to create a new branch, causing the explicit branch name to be ignored, which has been corrected. Graduated to 'master'. cf. <xmqqecfssnk0.fsf@gitster.g> source: [ref] -------------------------------------------------- [New Topics] * jc/checkout-refactor (2026-08-30) 8 commits - checkout: move post_checkout_hook() to checkout.c - checkout: wrap overly long lines - checkout: restructure switch, restore, and checkout entrypoints - checkout: extract branch setup and tracking helpers - checkout: extract option validation and pathspec helpers - checkout: validate stage and merge option compatibility in checkout_paths() - checkout: validate new branch name in checkout_branch() - checkout: pass cb_option explicitly to branch name parsers The front-end code for 'git checkout', 'git switch', and 'git restore' has been restructured to cleanly separate their pathspec and branch handling, eliminating a common bottleneck and paving the way to libify utility helpers. Needs review. source: [ref] * hk/typofix (2026-08-30) 1 commit - typofix: fix spelling mistakes in comments and test description Various spelling mistakes in comments and test descriptions have been corrected. Expecting a reroll. cf. [ref] source: [ref] * ll/doc-pushcert-if-asked (2026-08-29) 1 commit - doc: remote-helpers: option pushcert if-asked he remote helper documentation for the 'pushcert' option has been updated to mention that it can also take 'if-asked', reflecting the existing implementation in the code. Needs review. source: [ref] -------------------------------------------------- [Stalled] * ec/commit-fixup-options (2026-05-26) 2 commits - commit: allow -c/-C for all kinds of --fixup - commit: allow -m/-F for all kinds of --fixup Support for '-m', '-F', '-c', or '-C' options to supply a commit log message from outside the editor has been added for all 'git commit --fixup' variations. Waiting for response, stalled. cf. <xmqq1pbkefh0.fsf@gitster.g> source: [ref] * ps/libgit-in-subdir (2026-07-12) 2 commits . Move libgit.a sources into separate "lib/" directory . t/helper: prepare "test-example-tap.c" for introduction of "lib/" . Merge branch 'ps/odb-source-packed' into ps/libgit-in-subdir The source files for 'libgit.a' have been moved into a new 'lib/' directory to clean up the top-level directory and clearly separate library code. This topic has been ejected for now, as it causes too many evil merges with other topics. Waiting for response for too long, stalled. cf. <xmqqqzkx9t95.fsf@gitster.g> cf. <al6yCTDjBRn2HGq0@com-79390> cf. <xmqqqzk2t7sm.fsf@gitster.g> cf. <xmqq7blo4g7g.fsf@gitster.g> source: [ref] * 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. [ref] source: [ref] * sn/rebase-update-refs-symrefs (2026-07-22) 2 commits - rebase: guard non-branch symref targets - rebase: skip branch symref aliases 'git rebase --update-refs' has been taught to resolve local branch symrefs to their referents before queuing updates, ensuring aliases of the current branch are skipped and duplicate updates are avoided to prevent failures when branch aliases are present. Waiting for response for too long, stalled. cf. [ref] cf. [ref] source: [ref] * tb/pack-with-duplicates (2026-07-24) 5 commits - pack-bitmap: handle duplicate pack entries during MIDX reuse - test-tool bitmap: reject packs with duplicate objects - midx: verify duplicate pack entries by OID and offset - packfile: recover delta cycles through duplicate entries - t5308: test reverse indexes with duplicate objects The handling of packfiles with duplicate object entries has been hardened. Specifically, reverse index lookup, delta cycle recovery, multi-pack-index verification, and pack reuse paths have been updated to correctly handle or gracefully reject duplicate entries. Waiting for response for too long, stalled. cf. <xmqqecgs3vg6.fsf@gitster.g> source: [ref] * tc/replay-linearize (2026-08-31) 3 commits - replay: offer an option to linearize the commit topology - replay: resolve the replay base outside pick_regular_commit() - replay: add helper to put entry into replayed_commits The 'git replay' command has been taught the '--linearize' option to drop merge commits and linearize the replayed history, mimicking 'git rebase --no-rebase-merges'. Needs review. source: [ref] * cl/regexec-macos-leak (2026-07-28) 2 commits - SQUASH??? - regexec: work around macOS TRE leak on invalid UTF-8 A compatibility workaround has been introduced for macOS to address a memory leak in the system regex engine when it encounters invalid multibyte sequences. The workaround segments the input buffer at invalid byte boundaries and searches each valid segment separately using regexec(), avoiding the leaking path. Waiting for response for too long, stalled. cf. <xmqqse52bpa9.fsf@gitster.g> cf. [ref] source: [ref] * cc/lazy-fetch-trusted-bit (2026-08-13) 5 commits - builtin/upload-pack: set GIT_NO_LAZY_FETCH to 0 on trusted repo - upload-pack: read uploadpack.lazyFetchTrusted - setup: add 'allow_dot' arg to path_allowlist_apply() - setup: extract path_allowlist_apply() - promisor-remote: factor out lazy_fetch_objects() A new 'uploadpack.lazyFetchTrusted' configuration variable has been introduced to allow 'upload-pack' to lazily fetch missing objects from configured promisor remotes when serving trusted repositories. Waiting for response for too long, stalled. cf. <xmqq1pc0mr5i.fsf@gitster.g> cf. <xmqqecg0oabe.fsf@gitster.g> cf. <xmqqy0e8mv0k.fsf@gitster.g> cf. <xmqqjypsoami.fsf@gitster.g> cf. <xmqq1pc0mr5i.fsf@gitster.g> source: [ref] -------------------------------------------------- [Cooking] * jc/you-still-use-that (2026-08-27) 1 commit (merged to 'next' on 2026-08-30 at d8f3941368) + you_still_use_that(): reword the instructions The instructions for deprecated commands emitted by you_still_use_that() have been reworded to clarify that the removal decision is final and to provide more assertive guidance on finding a replacement. Will merge to 'master'. source: <xmqqse3z8m5g.fsf_-_@gitster.g> * ws/squelch-svn-migrate (2026-08-27) 2 commits - Makefile: add NO_GIT_SVN knob to skip building/installing git-svn - git-svn: don't print v1-layout migration noise when there's nothing to migrate Needs review. source: [ref] * dw/config-read-both-global (2026-08-23) 3 commits - config: read global scope via config_sequence - config: let sequence require a successful file - path: use forward slashes in XDG config on Windows The git config --global read operations have been updated to respect both $HOME/.gitconfig and $XDG_CONFIG_HOME/git/config, fixing an inconsistency where only the former was read when both configuration files are present. Waiting for response. cf. <xmqqo6esti9o.fsf@gitster.g> cf. <xmqqecfkhify.fsf@gitster.g> cf. <xmqqy0dsg2vt.fsf@gitster.g> cf. <xmqqse40g22c.fsf@gitster.g> source: [ref] * vv/branch-recurse-no-start-ref (2026-08-21) 2 commits - branch: allow recursion with no tracking name - branch: do not track a start point with no ref The --recurse-submodules option in 'git branch' has been fixed to avoid a crash when the start point is not a reference (e.g., a raw object ID). The creation path now skips setting up tracking and properly forwards the absent tracking name to the submodule helper. Needs review. source: [ref] * kn/reftable-optimize-reloading (2026-08-24) 4 commits (merged to 'next' on 2026-08-28 at d714ed570a) + reftable/stack: avoid reloading the stack when already locked + reftable/stack: move list lock to `struct reftable_stack` + reftable/stack: rename reftable_stack_new_addition() + reftable/stack: remove `REFTABLE_STACK_NEW_ADDITION_RELOAD` The reftable code has been optimized to avoid an unnecessary stat/reload of the stack when an addition already holds the list_file lock, reducing the number of newfstatat syscalls from linear to constant when writing refs. Will merge to 'master'. cf. [ref] cf. [ref] source: [ref] * jc/rerere-doc-typofix (2026-08-24) 1 commit (merged to 'next' on 2026-08-25 at 62bdec98f9) + rerere: technical documentation typofix A missing preposition in the rerere technical documentation has been fixed. Will merge to 'master'. source: <xmqqtsojp4zf.fsf@gitster.g> * ps/odb-alternates-at-creation (2026-08-31) 8 commits - odb/source: remove the ability to write alternates - builtin/clone: write alternates via `odb_create_on_disk()` - odb/source: support writing alternates when creating the database - builtin/clone: move setup of alternates for non-shared local clones - builtin/clone: move setup of alternates for shared local clones - builtin/clone: refactor handling of "--reference{,-if-able}" - builtin/clone: move around `setup_reference()` - builtin/clone: defer setup of the object database - Merge branch 'ps/odb-eagerly-load-alternates' into ps/odb-alternates-at-creation The setup of alternates has been deferred to object database creation time during clone, which drops the unused ad-hoc alternate writing API, simplifying the object database backend interface. Needs review. source: [ref] * ps/odb-pluggable-fsck (2026-08-30) 10 commits - builtin/fsck: move loose object verification into the loose source - builtin/fsck: move multi-pack index verification into the packed source - builtin/fsck: move bitmap verification into the packed source - builtin/fsck: move reverse index verification into the packed source - builtin/fsck: move packfile verification into the packed source - odb: provide infrastructure for pluggable fsck checks - builtin/fsck: don't check alternates with "--no-full" - builtin/fsck: de-globalize option handling - builtin/fsck: merge `fsck_obj_buffer()` and `fsck_obj()` - builtin/fsck: use `fsck_obj_buffer()` when checking loose objects - Merge branch 'ps/odb-eagerly-load-alternates' into ps/odb-pluggable-fsck - Merge branch 'ps/odb-pluggable-pack-generation' into ps/odb-pluggable-fsck The consistency checks for the object database (fsck) have been decoupled from the generic builtin implementation and moved into the backend-specific object source layers, making them pluggable for different object storage formats. Needs review. cf. [ref] source: [ref] * rs/worktree-add-basename-fixes (2026-08-25) 4 commits - worktree add: let worktree_basename() return string copy - worktree add: trim slashes when deriving branch name from path - worktree add: reject separator-only path - worktree add: don't read out of bounds in worktree_basename() The string extraction logic for the branch name and worktree name from the given path in 'git worktree add' has been corrected and simplified to avoid out-of-bounds reads and improper handling of trailing slashes. Waiting for review. cf. <xmqq33w2m186.fsf@gitster.g> cf. <xmqqjypdj6g4.fsf@gitster.g> source: [ref] * en/no-amend-during-conflicts (2026-08-28) 5 commits - commit: refuse partial commits during conflict resolution - commit: refuse to amend during conflict resolution - commit: reword the empty-commit rebase amend error - commit: allow a partial commit when a rebase pick becomes empty - commit: clarify FROM_REBASE_PICK and is_from_rebase() names Teach 'am', 'revert', and 'rebase' that running 'commit --amend' or a partial 'commit <paths>' makes no sense during operations that stop and return control to the user to resolve conflicts left in the working tree, just like 'cherry-pick' and 'merge' do. Waiting for response. cf. [ref] cf. <xmqq33vy6ydu.fsf@gitster.g> cf. <xmqqy0dq5jpi.fsf@gitster.g> cf. <xmqqqzji5id2.fsf@gitster.g> source: [ref] * 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. [ref] source: [ref] * 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. Expecting a reroll. cf. [ref] source: [ref] * kn/receive-report-hook (2026-08-26) 3 commits - hook: introduce the receive-report hook - receive-pack: move message generation to separate function - doc: add proc-receive hook info in 'git-receive-pack.adoc' A new hook 'report' is added to 'git receive-pack', which runs after reference updates and allows the server to filter or modify the packet-line status report sent back to the client. Waiting for response. cf. [ref] source: [ref] * en/midx-missing-pack-fallback (2026-08-29) 4 commits - packfile: recover when a multi-pack-index names a removed pack - mktree: do not use OBJECT_INFO_QUICK when checking objects - mktree: plug per-tree leak in --batch mode - replay: fail gracefully when a merge input is unreadable - Merge branch 'ps/odb-generic-corrupt-objects' into en/midx-missing-pack-fallback The object lookup machinery has been taught to gracefully recover when a multi-pack-index points to an owning pack that was removed during a concurrent geometric repack, and 'git replay' has been fixed to not segfault when reading such missing objects. Will merge to 'next'? cf. [ref] cf. [ref] cf. [ref] source: [ref] * ll/zsh-complete-git-potty-options (2026-08-19) 1 commit (merged to 'next' on 2026-08-31 at fee97cc13c) + completion: zsh: support completion after "git -C <path>" The zsh completion script (in 'contrib/') has been updated to correctly locate the Git command after global options like '-C' by properly skipping them, similar to how the bash completion does. Will merge to 'master'. cf. [ref] cf. <xmqqld9sczd0.fsf@gitster.g> source: [ref] * ap/http-preserve-wwwauth-redirect (2026-08-19) 1 commit - http: preserve wwwauth_headers across redirects When an HTTP request triggers a redirect and the target yields an authentication challenge, the WWW-Authenticate headers received during the redirect are now explicitly preserved across the credential URL update, fixing an issue where they were incorrectly cleared. Needs review. source: [ref] * 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 - doc: git: list gitdatamodel(7) as a concept guide The gitdatamodel documentation page has been linked from a handful of key documentaiton pages. Will merge to 'next'? cf. [ref] source: [ref] * yn/worktree-repair-relative (2026-08-28) 1 commit (merged to 'next' on 2026-08-31 at 15072b025f) + worktree repair: detect relative path in .git file correctly The git worktree repair command failed to rewrite the .git file of a working tree from a relative path to an absolute path when the 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. Will merge to 'master'. cf. <xmqqh5ke3zxt.fsf@gitster.g> source: [ref] * kh/format-rev-more-options (2026-08-18) 5 commits - format-rev: learn --abbrev, --color, and --date - doc: rev-list-options.adoc: factor out --date alts - format-rev: factor option variables into a struct - format-rev: place BUG calls first in callback - format-rev: use lower case for opts description The experimental 'git format-rev' has been taught a few more formatting options. Needs review. cf. <xmqqse40ei5f.fsf@gitster.g> source: [ref] * ty/repository-fetch-if-missing (2026-08-14) 1 commit (merged to 'next' on 2026-08-25 at 2cc77c1ca1) + repository: move fetch_if_missing into struct repository The global variable 'fetch_if_missing' has been moved to a member in 'struct repository', continuing the libification process and allowing per-repository control (such as for submodules). Will merge to 'master'. cf. <xmqqmrun8jeu.fsf@gitster.g> source: [ref] * ns/ref-symref-additional-tests (2026-08-20) 2 commits - t1402: test forbidden characters in refnames - t1401: check symbolic-ref failure and --quiet silence on a non-symbolic ref A few tests for the reference handling subsystem have been added to exercise the handling of forbidden characters and symbolic references. Will merge to 'next'? cf. [ref] source: [ref] source: [ref] * gg/http-ssl-verify-status (2026-08-18) 1 commit - http: add http.sslVerifyStatus to check stapled OCSP responses The HTTP transport has been taught to check the revocation status of the server certificate using the stapled OCSP response during the TLS handshake via a new 'http.sslVerifyStatus' configuration variable. Waiting for response. cf. <xmqqecfez7ie.fsf@gitster.g> source: [ref] * ty/repo-config-cleanups (2026-08-07) 3 commits - environment: remove inaccurate repo_config_values comments - environment: clarify repository config getter documentation - environment: drop redundant NULL checks in config getters Repository configuration getters in 'environment.c' have been simplified by removing redundant NULL checks. The documentation for these getters in 'environment.h' has been clarified, and inaccurate section comments inside 'struct repo_config_values' have been removed. Needs review. source: [ref] * dk/use-nsec-runtime (2026-08-29) 3 commits - core: convert build-time USE_NSEC into runtime core.useNanosec - environment: align repo_config_values_init with struct declaration - meson: expose knob for xmlto relative links in manuals The build-time knob 'USE_NSEC' for nanosecond stat precision has been converted to a runtime configuration 'core.useNanosec', allowing distributions to bundle one binary that adapts to filesystem capabilities dynamically. Will merge to 'next'? cf. <xmqq8q5n1fa2.fsf@gitster.g> cf. [ref] source: [ref] * bc/restrict-hex-to-lowercase (2026-07-29) 6 commits - hex: allow only lowercase object IDs in breaking changes mode - object-name: use hexval - hex: label usages of hex parsing for object IDs - hex: make hex_to_bytes accept kind of hex to use - hex: allow specifying hex type with hex2chr - hex: add functionality for lowercase-only hex The parser for hex object names has been updated to reject uppercase hexadecimal characters when running in the breaking changes mode, in preparation for Git 3.0. Expecting a reroll. cf. [ref] cf. [ref] source: [ref] * js/mingw-build-updates (2026-08-12) 12 commits - mingw: allow `git.exe` to be used instead of the "Git wrapper" - mingw: ensure valid CTYPE - mingw: always define `ETC_*` for MSYS2 environments - windows: skip linking `git-<command>` for built-ins - mingw: rely on MSYS2's metadata instead of hard-coding it - mingw: only enable the MSYS2-specific stuff when compiling in MSYS2 - mingw: set the prefix and HOST_CPU as per MSYS2's settings - mingw: avoid over-specifying `--pic-executable` - mingw: only use -Wl,--large-address-aware for 32-bit builds - mingw: drop the -D_USE_32BIT_TIME_T option - mingw: stop hard-coding `CC = gcc` - mingw: include the Python parts in the build A collection of patches from Git for Windows has been upstreamed, mostly focusing on simplifying and robustifying build configurations for MinGW/MSYS2, dropping obsolete compatibility options, and allowing the main 'git.exe' to be used directly without the extra wrapper process on Windows. Waiting for response. cf. [ref] source: [ref] * yn/worktree-ambiguous-remote-advice (2026-08-27) 4 commits (merged to 'next' on 2026-08-30 at 8e7670286a) + worktree add: treat multiple matches with --guess-remote as an error + 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 'git worktree add' did not prevent DWIM behavior when '-b' or '-B' was specified, which has been corrected. Will merge to 'master'. cf. <xmqq4igfa2pv.fsf@gitster.g> source: [ref] * hn/ci-cancel-stale-pr-runs (2026-08-31) 1 commit - ci: cancel stale pull request workflow runs GitHub Actions CI workflow runs triggered by pull requests have been configured to cancel older runs when a new push is made to the same pull request. Will merge to 'next'? source: [ref] * hn/checkout-m-autostash-refine (2026-08-31) 1 commit - checkout: print blank line after autostash conflict advice The autostash fallback in 'git checkout -m' has been refined to only retry when there are local changes. Additionally, a blank line now visually separates autostash conflict advice from the subsequent branch-switch message. Waiting for response. cf. <xmqq4igaxl5t.fsf@gitster.g> source: [ref] * kj/repo-info-more-path-keys (2026-08-25) 7 commits - repo: add path.cdup - repo: add path.git-prefix - repo: add path.grafts with absolute and relative suffixes - repo: add path.index with absolute and relative suffixes - repo: add path.hooks with absolute and relative suffixes - repo: add path.superproject-root with absolute and relative suffixes - repo: add path.toplevel with absolute and relative suffix formatting The 'git repo info' command has been taught more keys to output paths of various repository components (such as the working tree root, superproject working tree, object database, etc.), supporting both absolute and relative path formats. Needs review. source: [ref] * tc/last-modified-bloom (2026-08-31) 6 commits - last-modified: keep per-path Bloom filters for wildcard pathspecs - last-modified: check pathspec against Bloom filter first - revision: add Bloom check that includes parent directories - bloom: add helper to check if any key in a vector is present - revision: expose check for paths maybe changed in Bloom filter - revision: move bloom keyvec precondition into function The 'git last-modified' command has been optimized by using Bloom filters. It now reuses revision walk filtering logic from 'git log' to pre-filter commits, and maintains per-path Bloom filters even when wildcard pathspecs are used. Needs review. source: [ref] * ds/trace2-tolerate-failed-timestamp (2026-08-31) 7 commits - trace2: remove use of xcalloc() - trace2: remove use of ALLOC_GROW() - trace2: remove use of xstrfmt() - trace2: remove use of ALLOC_ARRAY() - trace2: remove use of xstrdup() - trace2: tolerate failed timestamp formatting - banned-die: create header for banning of functions Functions like `xstrfmt()` and `xcalloc()` have been banned from use in the trace2 API codebase to prevent calls to `die()` which lead to unwanted process exits and recursion when memory allocation fails. Needs review. source: [ref] * pz/fetch-submodule-errors-config (2026-07-16) 2 commits - fetch: add fetch.submoduleErrors to make submodule fetch errors non-fatal - submodule: fix premature failure in recursive submodule fetch The 'git fetch' command can now configure how submodule fetch errors are handled via 'fetch.submoduleErrors' and '--submodule-errors', making them non-fatal. A premature failure during recursive submodule fetches has been fixed by deferring the error until the OID-based retry phase fails. Needs review. source: [ref] * gr/add-e-use-apply-api (2026-07-10) 1 commit (merged to 'next' on 2026-08-31 at 04ee2ac5c5) + builtin/add.c: replace run_command() with direct apply_all_patches() call The application of the edited patch in 'git add -e' has been refactored to use the internal apply API directly, avoiding the need to spawn a 'git apply' subprocess. Will merge to 'master'. cf. <xmqqbjaoiyzx.fsf@gitster.g> source: [ref] * fz/rebase-autosquash-empty (2026-08-27) 1 commit - sequencer: honor --empty when a fixup!/squash! empties its target A commit that is emptied by melding a 'fixup!' or 'squash!' commit during 'git rebase --autosquash' is now handled according to the '--empty' option, allowing it to be dropped, kept, or to halt the rebase. Waiting for response. cf. [ref] source: [ref] * mm/lib-httpd-cgi-safe (2026-08-12) 3 commits - t/lib-httpd: document writing concurrency-safe CGI helpers - t/lib-httpd: make http-429 first-request check atomic - t/lib-httpd: fix apply-one-time-script race under concurrent requests CGI helper scripts used by HTTP-related test scripts have been updated to use atomic filesystem operations, preventing race conditions when Apache handles concurrent requests. Expecting a reroll. cf. [ref] source: [ref] * ij/subtree-reject-v2-config (2026-07-06) 2 commits - git-subtree: Bail out if we find output from Rust rewrite (test) - git-subtree: Bail out if we find output from Rust rewrite The shell script implementation of 'git subtree' has been updated to check for the presence of the configuration file of the new Rust implementation, preventing users from accidentally running the old script on repositories already managed by the new tool. Expecting a reroll. cf. [ref] source: [ref] * zy/apply-abandoned-header-fix (2026-07-01) 1 commit . apply: avoid leaking abandoned git-header state A candidate 'git diff' header parsed by 'git apply' has been isolated in a temporary structure, preventing any partially parsed state from polluting the main patch structure and causing assertions to trip if the header is ultimately rejected. Will discard. cf. <xmqqtsogei9d.fsf@gitster.g> source: [ref] * mm/line-log-limited-ops (2026-06-27) 7 commits - diffcore-pickaxe: scope -G to the -L tracked range - diff: support --check with -L line ranges - line-log: support diff stat formats with -L - diff: extract a line-range diff helper for reuse - diff: emit -L hunk headers via xdiff's formatter - diff: simplify the line-range filter by classifying removals immediately - diff: rename and group the line-range filter for clarity (this branch is used by mm/diff-process-hunks.) The 'git log -L<range>:<path>' command has been taught to limit various 'diff' operations, such as '--stat', '--check', and '-G', to the specified range and path. Needs review. source: [ref] * hn/history-squash (2026-08-20) 8 commits - history: support editing squashed commit messages - history: create squashed commits without editing - history: protect branches when squashing a range - history: validate squash revision ranges - history: add skeleton for squash subcommand - sequencer: share the squash message marker helpers and flags - history: give commit_tree_ext a message template - history: extract helper for a commit's parent tree The experimental 'git history' command has been taught a new 'squash' subcommand to fold a range of commits into a single commit, with any descendants replayed on top. Waiting for response. cf. <xmqq4igov9h9.fsf@gitster.g> source: [ref] * tb/midx-incremental-custom-base (2026-06-12) 3 commits - midx-write: include packs above custom incremental base - midx: pass custom '--base' through incremental writes - t5334: expose shared `nth_line()` helper The 'git multi-pack-index write --incremental' command has been corrected to properly honor the '--base' option. Previously, the custom base was ignored by the normal write path; packs from layers above the selected base were incorrectly skipped by the pack exclusion logic, and reachability closure for bitmaps was broken. Expecting a reroll. cf. <an4uIQA09rDCwwBp@com-79390> cf. [ref] source: [ref] * mm/diff-process-hunks (2026-08-13) 11 commits - fixup! diff: consult oid-only hunk providers via diff.<driver>.process - diff: consult oid-only hunk providers via diff.<driver>.process - userdiff: add diff.<driver>.process config - sub-process: add a gentle status read - sub-process: separate process lifecycle from hashmap management - blame: read precomputed hunks - diff: read precomputed hunks for stat output - diff: record precomputed hunks during stat output - diff-hunks: add the store format, library, and command - diff: introduce a hunk provider interface - gitattributes: document how external diff drivers relate to diff features - Merge branch 'mm/line-log-limited-ops' into mm/diff-process-hunks (this branch uses mm/line-log-limited-ops.) A new 'diff.<driver>.process' configuration has been introduced to allow a long-running external process to act as a hunk provider, enabling external tools to control which lines Git considers changed while leaving all output formatting (word diff, color, blame, etc.) to Git's standard pipeline. Expecting a reroll. cf. [ref] source: [ref] -------------------------------------------------- [Discarded] * kh/format-patch-range-diff-notes (2026-08-24) 3 commits . format-patch: learn --[no-]range-diff-notes . revision.h: rename struct member to reflect notes role . format-patch: simplify get_notes_arg parameters The 'format-patch' command has been updated with options to configure notes specifically for range-diff output, allowing them to differ from the notes displayed on the patches themselves. Retracted. cf. [ref] source: [ref] * jc/die-for-incompatible-opts (2026-08-27) 1 commit . die_for_incompatible_opts(): unbounded number of options The die_for_incompatible_opt[234]() family of functions has been generalized to handle an arbitrary number of mutually exclusive options via a variadic function. Retracted. cf. <xmqqfqzv1g6z.fsf@gitster.g> source: <xmqqbjana2wv.fsf@gitster.g>