238 lines
10 KiB
Plaintext
238 lines
10 KiB
Plaintext
Git 2.17 Release Notes
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======================
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Updates since v2.16
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-------------------
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UI, Workflows & Features
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* "diff" family of commands learned "--find-object=<object-id>" option
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to limit the findings to changes that involve the named object.
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(merge 4d8c51aa19 sb/diff-blobfind-pickaxe later to maint).
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* "git format-patch" learned to give 72-cols to diffstat, which is
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consistent with other line length limits the subcommand uses for
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its output meant for e-mails.
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* The log from "git daemon" can be redirected with a new option; one
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relevant use case is to send the log to standard error (instead of
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syslog) when running it from inetd.
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* "git rebase" learned to take "--allow-empty-message" option.
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Performance, Internal Implementation, Development Support etc.
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* More perf tests for threaded grep
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* "perf" test output can be sent to codespeed server.
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(merge 19cf57a92e cc/codespeed later to maint).
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* The build procedure for perl/ part has been greatly simplified by
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weaning ourselves off of MakeMaker.
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* In preparation for implementing narrow/partial clone, the machinery
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for checking object connectivity used by gc and fsck has been
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taught that a missing object is OK when it is referenced by a
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packfile specially marked as coming from trusted repository that
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promises to make them available on-demand and lazily.
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* The machinery to clone & fetch, which in turn involves packing and
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unpacking objects, has been told how to omit certain objects using
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the filtering mechanism introduced by another topic. It now knows
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to mark the resulting pack as a promisor pack to tolerate missing
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objects, laying foundation for "narrow" clones.
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* The first step to getting rid of mru API and using the
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doubly-linked list API directly instead.
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* Retire mru API as it does not give enough abstraction over
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underlying list API to be worth it.
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* Rewrite two more "git submodule" subcommands in C.
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* The tracing machinery learned to report tweaking of environment
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variables as well.
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(merge 090a09272a nd/trace-with-env later to maint).
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* Update Coccinelle rules to catch and optimize strbuf_addf(&buf, "%s", str)
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(merge cd9a4b6d93 rs/strbuf-cocci-workaround later to maint).
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* Prevent "clang-format" from breaking line after function return type.
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(merge a3715d43e8 po/clang-format-functype-weight later to maint).
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* The sequencer infrastructure is shared across "git cherry-pick",
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"git rebase -i", etc., and has always spawned "git commit" when it
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needs to create a commit. It has been taught to do so internally,
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when able, by reusing the codepath "git commit" itself uses, which
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gives performance boost for a few tens of percents in some sample
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scenarios.
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* Push the submodule version of collision-detecting SHA-1 hash
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implementation a bit harder on builders.
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* Avoid mmapping small files while using packed refs (especially ones
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with zero size, which would cause later munmap() to fail).
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(merge ba41a8b600 kg/packed-ref-cache-fix later to maint).
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* Conversion from uchar[20] to struct object_id continues.
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* More tests for wildmatch functions.
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* The code to binary search starting from a fan-out table (which is
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how the packfile is indexed with object names) has been refactored
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into a reusable helper.
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Also contains various documentation updates and code clean-ups.
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Fixes since v2.16
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-----------------
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* An old regression in "git describe --all $annotated_tag^0" has been
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fixed.
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* "git status" after moving a path in the working tree (hence making
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it appear "removed") and then adding with the -N option (hence
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making that appear "added") detected it as a rename, but did not
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report the old and new pathnames correctly.
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(merge 176ea74793 nd/ita-wt-renames-in-status later to maint).
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* "git svn dcommit" did not take into account the fact that a
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svn+ssh:// URL with a username@ (typically used for pushing) refers
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to the same SVN repository without the username@ and failed when
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svn.pushmergeinfo option is set.
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* API clean-up around revision traversal.
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* "git merge -Xours/-Xtheirs" learned to use our/their version when
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resolving a conflicting updates to a symbolic link.
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* "git clone $there $here" is allowed even when here directory exists
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as long as it is an empty directory, but the command incorrectly
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removed it upon a failure of the operation.
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* "git commit --fixup" did not allow "-m<message>" option to be used
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at the same time; allow it to annotate resulting commit with more
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text.
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(merge 30884c9afc ab/commit-m-with-fixup later to maint).
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* When resetting the working tree files recursively, the working tree
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of submodules are now also reset to match.
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(merge 7dcc1f4df8 sb/submodule-update-reset-fix later to maint).
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* "git stash -- <pathspec>" incorrectly blew away untracked files in
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the directory that matched the pathspec, which has been corrected.
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* Instead of maintaining home-grown email address parsing code, ship
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a copy of reasonably recent Mail::Address to be used as a fallback
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in 'git send-email' when the platform lacks it.
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(merge d60be8acab mm/send-email-fallback-to-local-mail-address later to maint).
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* "git add -p" was taught to ignore local changes to submodules as
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they do not interfere with the partial addition of regular changes
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anyway.
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* Avoid showing a warning message in the middle of a line of "git
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diff" output.
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(merge 4e056c989f nd/diff-flush-before-warning later to maint).
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* The http tracing code, often used to debug connection issues,
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learned to redact potentially sensitive information from its output
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so that it can be more safely sharable.
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(merge 8ba18e6fa4 jt/http-redact-cookies later to maint).
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* Crash fix for a corner case where an error codepath tried to unlock
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what it did not acquire lock on.
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(merge 81fcb698e0 mr/packed-ref-store-fix later to maint).
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* The split-index mode had a few corner case bugs fixed.
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(merge ae59a4e44f tg/split-index-fixes later to maint).
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* Assorted fixes to "git daemon".
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(merge ed15e58efe jk/daemon-fixes later to maint).
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* Completion of "git merge -s<strategy>" (in contrib/) did not work
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well in non-C locale.
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(merge 7cc763aaa3 nd/list-merge-strategy later to maint).
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* Workaround for segfault with more recent versions of SVN.
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(merge 7f6f75e97a ew/svn-branch-segfault-fix later to maint).
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* Plug recently introduced leaks in fsck.
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(merge ba3a08ca0e jt/fsck-code-cleanup later to maint).
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* "git pull --rebase" did not pass verbosity setting down when
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recursing into a submodule.
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(merge a56771a668 sb/pull-rebase-submodule later to maint).
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* The way "git reset --hard" reports the commit the updated HEAD
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points at is made consistent with the way how the commit title is
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generated by the other parts of the system. This matters when the
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title is spread across physically multiple lines.
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(merge 1cf823fb68 tg/reset-hard-show-head-with-pretty later to maint).
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* Test fixes.
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(merge 63b1a175ee sg/test-i18ngrep later to maint).
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* Some bugs around "untracked cache" feature have been fixed. This
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will notice corrupt data in the untracked cache left by old and
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buggy code and issue a warning---the index can be fixed by clearing
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the untracked cache from it.
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(merge 0cacebf099 nd/fix-untracked-cache-invalidation later to maint).
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(merge 7bf0be7501 ab/untracked-cache-invalidation-docs later to maint).
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* "git blame HEAD COPYING" in a bare repository failed to run, while
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"git blame HEAD -- COPYING" run just fine. This has been corrected.
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* "git add" files in the same directory, but spelling the directory
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path in different cases on case insensitive filesystem, corrupted
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the name hash data structure and led to unexpected results. This
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has been corrected.
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(merge c95525e90d bp/name-hash-dirname-fix later to maint).
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* "git rebase -p" mangled log messages of a merge commit, which is
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now fixed.
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(merge ed5144d7eb js/fix-merge-arg-quoting-in-rebase-p later to maint).
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* Some low level protocol codepath could crash when they get an
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unexpected flush packet, which is now fixed.
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(merge bb1356dc64 js/packet-read-line-check-null later to maint).
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* "git check-ignore" with multiple paths got confused when one is a
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file and the other is a directory, which has been fixed.
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(merge d60771e930 rs/check-ignore-multi later to maint).
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* "git describe $garbage" stopped giving any errors when the garbage
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happens to be a string with 40 hexadecimal letters.
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(merge a8e7a2bf0f sb/describe-blob later to maint).
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* Code to unquote single-quoted string (used in the parser for
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configuration files, etc.) did not diagnose bogus input correctly
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and produced bogus results instead.
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(merge ddbbf8eb25 jk/sq-dequote-on-bogus-input later to maint).
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* Other minor doc, test and build updates and code cleanups.
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(merge e2a5a028c7 bw/oidmap-autoinit later to maint).
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(merge f0a6068a9f ys/bisect-object-id-missing-conversion-fix later to maint).
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(merge ec3b4b06f8 cl/t9001-cleanup later to maint).
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(merge e1b3f3dd38 ks/submodule-doc-updates later to maint).
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(merge fbac558a9b rs/describe-unique-abbrev later to maint).
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(merge 8462ff43e4 tb/crlf-conv-flags later to maint).
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(merge 7d68bb0766 rb/hashmap-h-compilation-fix later to maint).
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(merge 3449847168 cc/sha1-file-name later to maint).
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(merge ad622a256f ds/use-get-be64 later to maint).
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(merge f919ffebed sg/cocci-move-array later to maint).
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(merge 4e801463c7 jc/mailinfo-cleanup-fix later to maint).
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(merge ef5b3a6c5e nd/shared-index-fix later to maint).
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(merge 9f5258cbb8 tz/doc-show-defaults-to-head later to maint).
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(merge b780e4407d jc/worktree-add-short-help later to maint).
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(merge ae239fc8e5 rs/cocci-strbuf-addf-to-addstr later to maint).
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(merge 2e22a85e5c nd/ignore-glob-doc-update later to maint).
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(merge 3738031581 jk/gettext-poison later to maint).
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(merge 54360a1956 rj/sparse-updates later to maint).
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(merge 12e31a6b12 sg/doc-test-must-fail-args later to maint).
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(merge 760f1ad101 bc/doc-interpret-trailers-grammofix later to maint).
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(merge 4ccf461f56 bp/fsmonitor later to maint).
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(merge a6119f82b1 jk/test-hashmap-updates later to maint).
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(merge 5aea9fe6cc rd/typofix later to maint).
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