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306 lines
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306 lines
14 KiB
Plaintext
Git v2.43 Release Notes
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=======================
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Backward Compatibility Notes
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* The "--rfc" option of "git format-patch" used to be a valid way to
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override an earlier "--subject-prefix=<something>" on the command
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line and replace it with "[RFC PATCH]", but from this release, it
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merely prefixes the string "RFC " in front of the given subject
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prefix. If you are negatively affected by this change, please use
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"--subject-prefix=PATCH --rfc" as a replacement.
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* "git rev-list --stdin" learned to take non-revisions (like "--not")
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recently from the standard input, but the way such a "--not" was
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handled was quite confusing, which has been rethought. The updated
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rule is that "--not" given from the command line only affects revs
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given from the command line that comes but not revs read from the
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standard input, and "--not" read from the standard input affects
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revs given from the stanrdard input and not revs given from the
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command line.
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UI, Workflows & Features
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* A message written in olden time prevented a branch from getting
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checked out saying it is already checked out elsewhere, but these
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days, we treat a branch that is being bisected or rebased just like
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a branch that is checked out and protect it. Rephrase the message
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to say that the branch is in use.
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* Hourly and other schedule of "git maintenance" jobs are randomly
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distributed now.
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* "git cmd -h" learned to signal which options can be negated by
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listing such options like "--[no-]opt".
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* The way authentication related data other than passwords (e.g.
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oath token and password expiration data) are stored in libsecret
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keyrings has been rethought.
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* Update two credential helpers to correctly match which credential
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to erase; they dropped not the ones with stale password.
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* Git GUI updates.
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* "git format-patch" learns a way to feed cover letter description,
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that (1) can be used on detached HEAD where there is no branch
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description available, and (2) also can override the branch
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description if there is one.
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* Use of --max-pack-size to allow multiple packfiles to be created is
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now supported even when we are sending unreachable objects to cruft
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packs.
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* "git format-patch --rfc --subject-prefix=<foo>" used to ignore the
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"--subject-prefix" option and used "[RFC PATCH]"; now we will add
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"RFC" prefix to whatever subject prefix is specified.
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* "git log --format" has been taught the %(decorate) placeholder.
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* The default log message created by "git revert", when reverting a
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commit that records a revert, has been tweaked, to encourage people
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describe complex "revert of revert of revert" situation better in
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their own words.
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* The command-line complation support (in contrib/) learned to
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complete "git commit --trailer=" for possible trailer keys.
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* "git update-index" learns "--show-index-version" to inspect
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the index format version used by the on-disk index file.
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* "git diff" learned diff.statNameWidth configuration variable, to
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give the default width for the name part in the "--stat" output.
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* "git range-diff --notes=foo" compared "log --notes=foo --notes" of
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the two ranges, instead of using just the specified notes tree.
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* The command line completion script (in contrib/) can be told to
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complete aliases by including ": git <cmd> ;" in the alias to tell
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it that the alias should be completed similar to how "git <cmd>" is
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completed. The parsing code for the alias as been loosened to
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allow ';' without an extra space before it.
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* "git for-each-ref" and friends learned to apply mailmap to
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authorname and other fields.
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* "git repack" machinery learns to pay attention to the "--filter="
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option.
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* "git repack" learned "--max-cruft-size" to prevent cruft packs from
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growing without bounds.
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* "git merge-tree" learned to take strategy backend specific options
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via the "-X" option, like "git merge" does.
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* "git log" and friends learned "--dd" that is a short-hand for
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"--diff-merges=first-parent -p".
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Performance, Internal Implementation, Development Support etc.
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* "git check-attr" has been taught to work better with sparse-index.
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* It may be tempting to leave the help text NULL for a command line
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option that is either hidden or too obvious, but "git subcmd -h"
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and "git subcmd --help-all" would have segfaulted if done so. Now
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the help text is optional.
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* Tests that are known to pass with LSan are now marked as such.
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(merge 5fafe8c95f tb/mark-more-tests-as-leak-free later to maint).
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* Flaky "git p4" tests, as well as "git svn" tests, are now skipped
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in the (rather expensive) sanitizer CI job.
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(merge 6ba913629f js/ci-san-skip-p4-and-svn-tests later to maint).
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* Tests with LSan from time to time seem to emit harmless message
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that makes our tests unnecessarily flaky; we work it around by
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filtering the uninteresting output.
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(merge 370ef7e40d jk/test-lsan-denoise-output later to maint).
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* Unused parameters to functions are marked as such, and/or removed,
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in order to bring us closer to -Wunused-parameter clean.
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* The code to keep track of existing packs in the repository while
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repacking has been refactored.
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* The "streaming" interface used for bulk-checkin codepath has been
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narrowed to take only blob objects for now, with no real loss of
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functionality.
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* GitHub CI workflow has learned to trigger Coverity check.
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(merge 3349520e1a js/ci-coverity later to maint).
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* Test coverage for trailers has been improved.
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* The code to iterate over loose references have been optimized to
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reduce the number of lstat() system calls.
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(merge 2cdb796101 vd/loose-ref-iteration-optimization later to maint).
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* The codepaths that read "chunk" formatted files have been corrected
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to pay attention to the chunk size and notice broken files.
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Fixes since v2.42
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-----------------
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* Overly long label names used in the sequencer machinery are now
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chopped to fit under filesystem limitation.
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(merge ac300bda10 mp/rebase-label-length-limit later to maint).
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* Scalar updates.
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(merge f9a547d3a7 ds/scalar-updates later to maint).
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* Tweak GitHub Actions CI so that pushing the same commit to multiple
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branch tips at the same time will not waste building and testing
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the same thing twice.
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(merge 99fe06cbfd jc/ci-skip-same-commit later to maint).
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* The commit-graph verification code that detects mixture of zero and
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non-zero generation numbers has been updated.
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(merge db6044d762 tb/commit-graph-verify-fix later to maint).
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* "git diff -w --exit-code" with various options did not work
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correctly, which is being addressed.
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(merge a64f8b2595 jc/diff-exit-code-with-w-fixes later to maint).
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* transfer.unpackLimit ought to be used as a fallback, but overrode
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fetch.unpackLimit and receive.unpackLimit instead.
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(merge f3d33f8cfe ts/unpacklimit-config-fix later to maint).
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* The use of API between two calls to require_clean_work_tree() from
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the sequencer code has been cleaned up for consistency.
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(merge a9b5955e07 ob/sequencer-empty-hint-fix later to maint).
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* "git diff --no-such-option" and other corner cases around the exit
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status of the "diff" command has been corrected.
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(merge 5cc6b2d70b jk/diff-result-code-cleanup later to maint).
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* "git for-each-ref --sort='contents:size'" sorts the refs according
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to size numerically, giving a ref that points at a blob twelve-byte
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(12) long before showing a blob hundred-byte (100) long.
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(merge 6d79cd8474 ks/ref-filter-sort-numerically later to maint).
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* We now limit depth of the tree objects and maximum length of
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pathnames recorded in tree objects.
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(merge 4d5693ba05 jk/tree-name-and-depth-limit later to maint).
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* Various fixes to the behavior of "rebase -i" when the command got
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interrupted by conflicting changes.
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(merge 203573b024 pw/rebase-i-after-failure later to maint).
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* References from description of the `--patch` option in various
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manual pages have been simplified and improved.
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(merge 11422f23e3 so/diff-doc-for-patch-update later to maint).
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* "git grep -e A --no-or -e B" is accepted, even though the negation
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of "or" did not mean anything, which has been tightened.
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(merge aae8558b10 rs/grep-no-no-or later to maint).
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* The completion script (in contrib/) has been taught to treat the
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"-t" option to "git checkout" and "git switch" just like the
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"--track" option, to complete remote-tracking branches.
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(merge 9f892830d6 js/complete-checkout-t later to maint).
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* "git diff --no-index -R <(one) <(two)" did not work correctly,
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which has been corrected.
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(merge 48944f214c pw/diff-no-index-from-named-pipes later to maint).
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* Update "git maintenance" timers' implementation based on systemd
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timers to work with WSL.
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(merge 5e8515e8e8 js/systemd-timers-wsl-fix later to maint).
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* "git diff --cached" codepath did not fill the necessary stat
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information for a file when fsmonitor knows it is clean and ended
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up behaving as if it is not clean, which has been corrected.
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(merge 6a044a2048 js/diff-cached-fsmonitor-fix later to maint).
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* Clarify how "alias.foo = : git cmd ; aliased-command-string" should
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be spelled with necessary whitespaces around punctuation marks to
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work.
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(merge 4333267995 pb/completion-aliases-doc later to maint).
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* HTTP Header redaction code has been adjusted for a newer version of
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cURL library that shows its traces differently from earlier
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versions.
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(merge 0763c3a2c4 jk/redact-h2h3-headers-fix later to maint).
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* An error message given by "git send-email" when given a malformed
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address did not give correct information, which has been corrected.
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(merge 12288cc44e tb/send-email-extract-valid-address-error-message-fix later to maint).
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* UBSan options were not propagated through the test framework to git
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run via the httpd, unlike ASan options, which has been corrected.
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(merge 252d693797 jk/test-pass-ubsan-options-to-http-test later to maint).
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* "checkout --merge -- path" and "update-index --unresolve path" did
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not resurrect conflicted state that was resolved to remove path,
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but now they do.
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(merge 5bdedac3c7 jc/unresolve-removal later to maint).
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* The display width table for unicode characters has been updated for
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Unicode 15.1
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(merge 872976c37e bb/unicode-width-table-15 later to maint).
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* Update mailmap entry for Derrick.
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(merge 6e5457d8c7 ds/mailmap-entry-update later to maint).
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* In .gitmodules files, submodules are keyed by their names, and the
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path to the submodule whose name is $name is specified by the
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submodule.$name.path variable. There were a few codepaths that
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mixed the name and path up when consulting the submodule database,
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which have been corrected. It took long for these bugs to be found
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as the name of a submodule initially is the same as its path, and
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the problem does not surface until it is moved to a different path,
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which apparently happens very rarely.
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* "git diff --merge-base X other args..." insisted that X must be a
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commit and errored out when given an annotated tag that peels to a
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commit, but we only need it to be a committish. This has been
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corrected.
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(merge 4adceb5a29 ar/diff-index-merge-base-fix later to maint).
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* Fix "git merge-tree" to stop segfaulting when the --attr-source
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option is used.
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(merge e95bafc52f jc/merge-ort-attr-index-fix later to maint).
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* Unlike "git log --pretty=%D", "git log --pretty="%(decorate)" did
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not auto-initialize the decoration subsystem, which has been
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corrected.
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* Feeding "git stash store" with a random commit that was not created
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by "git stash create" now errors out.
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(merge d9b6634589 jc/fail-stash-to-store-non-stash later to maint).
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* The index file has room only for lower 32-bit of the file size in
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the cached stat information, which means cached stat information
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will have 0 in its sd_size member for a file whose size is multiple
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of 4GiB. This is mistaken for a racily clean path. Avoid it by
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storing a bogus sd_size value instead for such files.
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(merge 5143ac07b1 bc/racy-4gb-files later to maint).
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* Other code cleanup, docfix, build fix, etc.
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(merge fd3ba590d8 ws/git-push-doc-grammofix later to maint).
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(merge 5f33a843de ds/upload-pack-error-sequence-fix later to maint).
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(merge beaa1d952b jk/function-pointer-mismatches-fix later to maint).
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(merge b46d806ea5 ob/t9001-indent-fix later to maint).
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(merge fdc9914c28 ja/worktree-orphan later to maint).
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(merge c2cbefc510 jc/mv-d-to-d-error-message-fix later to maint).
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(merge d0fc552bfc ch/t6300-verify-commit-test-cleanup later to maint).
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(merge aa4b83dd5e ws/git-svn-retire-faketerm later to maint).
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(merge edf80d23f1 jk/ci-retire-allow-ref later to maint).
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(merge 256a94ef6c bc/more-git-var later to maint).
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(merge 82af2c639c ob/sequencer-reword-error-message later to maint).
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(merge 2a63c79dae rs/grep-parseopt-simplify later to maint).
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(merge 078c42531e rs/name-rev-use-opt-hidden-bool later to maint).
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(merge 63642d58b4 ob/sequencer-remove-dead-code later to maint).
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(merge 8aae489756 ob/t3404-typofix later to maint).
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(merge 58be11432e eg/config-type-path-docfix later to maint).
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(merge 563f339d98 ch/clean-docfix later to maint).
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(merge 4fbe83fcd9 hy/doc-show-is-like-log-not-diff-tree later to maint).
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(merge 43abaaf008 ob/am-msgfix later to maint).
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(merge c2c349a15c xz/commit-title-soft-limit-doc later to maint).
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(merge f4cbb32c27 rs/parse-opt-ctx-cleanup later to maint).
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(merge badf2fe1c3 jk/decoration-and-other-leak-fixes later to maint).
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(merge cebfaaa333 sn/cat-file-doc-update later to maint).
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(merge 8b3aa36f5a ps/rewritten-is-per-worktree-doc later to maint).
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