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Git 2.25 Release Notes
======================
Updates since v2.24
-------------------
Backward compatibility notes
UI, Workflows & Features
* A tutorial on object enumeration has been added.
* The branch description ("git branch --edit-description") has been
used to fill the body of the cover letters by the format-patch
command; this has been enhanced so that the subject can also be
filled.
* "git rebase --preserve-merges" has been marked as deprecated; this
release stops advertising it in the "git rebase -h" output.
* The code to generate multi-pack index learned to show (or not to
show) progress indicators.
* "git apply --3way" learned to honor merge.conflictStyle
configuration variable, like merges would.
* The custom format for "git log --format=<format>" learned the l/L
placeholder that is similar to e/E that fills in the e-mail
address, but only the local part on the left side of '@'.
* Documentation pages for "git shortlog" now list commit limiting
options explicitly.
* The patterns to detect function boundary for Elixir language has
been added.
* The completion script (in contrib/) learned that the "--onto"
option of "git rebase" can take its argument as the value of the
option.
* The userdiff machinery has been taught that "async def" is another
way to begin a "function" in Python.
* "git range-diff" learned to take the "--notes=<ref>" and the
"--no-notes" options to control the commit notes included in the
log message that gets compared.
* "git rev-parse --show-toplevel" run outside of any working tree did
not error out, which has been corrected.
* A few commands learned to take the pathspec from the standard input
or a named file, instead of taking it as the command line
arguments, with the "--pathspec-from-file" option.
* "git submodule" learned a subcommand "set-url".
* "git log" family learned "--pretty=reference" that gives the name
of a commit in the format that is often used to refer to it in log
messages.
* The interaction between "git clone --recurse-submodules" and
alternate object store was ill-designed. The documentation and
code have been taught to make more clear recommendations when the
users see failures.
* Management of sparsely checked-out working tree has gained a
dedicated "sparse-checkout" command.
* Miscellaneous small UX improvements on "git-p4".
* "git sparse-checkout list" subcommand learned to give its output in
a more concise form when the "cone" mode is in effect.
Performance, Internal Implementation, Development Support etc.
* Debugging support for lazy cloning has been a bit improved.
* Move the definition of a set of bitmask constants from 0ctal
literal to (1U<<count) notation.
* Test updates to prepare for SHA-2 transition continues.
* Crufty code and logic accumulated over time around the object
parsing and low-level object access used in "git fsck" have been
cleaned up.
* The implementation of "git log --graph" got refactored and then its
output got simplified.
* Follow recent push to move API docs from Documentation/ to header
files and update config.h
* "git bundle" has been taught to use the parse options API. "git
bundle verify" learned "--quiet" and "git bundle create" learned
options to control the progress output.
* Handling of commit objects that use non UTF-8 encoding during
"rebase -i" has been improved.
* The beginning of rewriting "git add -i" in C.
* A label used in the todo list that are generated by "git rebase
--rebase-merges" is used as a part of a refname; the logic to come
up with the label has been tightened to avoid names that cannot be
used as such.
* The logic to avoid duplicate label names generated by "git rebase
--rebase-merges" forgot that the machinery itself uses "onto" as a
label name, which must be avoided by auto-generated labels, which
has been corrected.
* We have had compatibility fallback macro definitions for "PRIuMAX",
"PRIu32", etc. but did not for "PRIdMAX", while the code used the
last one apparently without any hiccup reported recently. The
fallback macro definitions for these <inttypes.h> macros that must
appear in C99 systems have been removed.
* Recently we have declared that GIT_TEST_* variables take the
usual boolean values (it used to be that some used "non-empty
means true" and taking GIT_TEST_VAR=YesPlease as true); make
sure we notice and fail when non-bool strings are given to
these variables.
* Users of oneway_merge() (like "reset --hard") learned to take
advantage of fsmonitor to avoid unnecessary lstat(2) calls.
* Performance tweak on "git push" into a repository with many refs
that point at objects we have never heard of.
* PerfTest fix to avoid stale result mixed up with the latest round
of test results.
* Hide lower-level verify_signed-buffer() API as a pure helper to
implement the public check_signature() function, in order to
encourage new callers to use the correct and more strict
validation.
* Unnecessary reading of state variables back from the disk during
sequencer operation has been reduced.
* The code has been made to avoid gmtime() and localtime() and prefer
their reentrant counterparts.
* In a repository with many packfiles, the cost of the procedure that
avoids registering the same packfile twice was unnecessarily high
by using an inefficient search algorithm, which has been corrected.
* Redo "git name-rev" to avoid recursive calls.
* FreeBSD CI support via Cirrus-CI has been added.
Fixes since v2.24
-----------------
* "rebase -i" ceased to run post-commit hook by mistake in an earlier
update, which has been corrected.
* "git notes copy $original" ought to copy the notes attached to the
original object to HEAD, but a mistaken tightening to command line
parameter validation made earlier disabled that feature by mistake.
* When all files from some subdirectory were renamed to the root
directory, the directory rename heuristics would fail to detect that
as a rename/merge of the subdirectory to the root directory, which has
been corrected.
* Code clean-up and a bugfix in the logic used to tell worktree local
and repository global refs apart.
(merge f45f88b2e4 sg/dir-trie-fixes later to maint).
* "git stash save" in a working tree that is sparsely checked out
mistakenly removed paths that are outside the area of interest.
(merge 4a58c3d7f7 js/update-index-ignore-removal-for-skip-worktree later to maint).
* "git rev-parse --git-path HEAD.lock" did not give the right path
when run in a secondary worktree.
(merge 76a53d640f js/git-path-head-dot-lock-fix later to maint).
* "git merge --no-commit" needs "--no-ff" if you do not want to move
HEAD, which has been corrected in the manual page for "git bisect".
(merge 8dd327b246 ma/bisect-doc-sample-update later to maint).
* "git worktree add" internally calls "reset --hard" that should not
descend into submodules, even when submodule.recurse configuration
is set, but it was affected. This has been corrected.
(merge 4782cf2ab6 pb/no-recursive-reset-hard-in-worktree-add later to maint).
* Messages from die() etc. can be mixed up from multiple processes
without even line buffering on Windows, which has been worked
around.
(merge 116d1fa6c6 js/vreportf-wo-buffering later to maint).
* HTTP transport had possible allocator/deallocator mismatch, which
has been corrected.
* The watchman integration for fsmonitor was racy, which has been
corrected to be more conservative.
(merge dd0b61f577 kw/fsmonitor-watchman-fix later to maint).
* Fetching from multiple remotes into the same repository in parallel
had a bad interaction with the recent change to (optionally) update
the commit-graph after a fetch job finishes, as these parallel
fetches compete with each other. Which has been corrected.
* Recent update to "git stash pop" made the command empty the index
when run with the "--quiet" option, which has been corrected.
* "git fetch" codepath had a big "do not lazily fetch missing objects
when I ask if something exists" switch. This has been corrected by
marking the "does this thing exist?" calls with "if not please do not
lazily fetch it" flag.
* Test update to avoid wasted cycles.
(merge e0316695ec sg/skip-skipped-prereq later to maint).
* Error handling after "git push" finishes sending the packdata and
waits for the response to the remote side has been improved.
(merge ad7a403268 jk/send-pack-remote-failure later to maint).
* Some codepaths in "gitweb" that forgot to escape URLs generated
based on end-user input have been corrected.
(merge a376e37b2c jk/gitweb-anti-xss later to maint).
* CI jobs for macOS has been made less chatty when updating perforce
package used during testing.
(merge 0dbc4a0edf jc/azure-ci-osx-fix-fix later to maint).
* "git unpack-objects" used to show progress based only on the number
of received and unpacked objects, which stalled when it has to
handle an unusually large object. It now shows the throughput as
well.
(merge bae60ba7e9 sg/unpack-progress-throughput later to maint).
* The sequencer machinery compared the HEAD and the state it is
attempting to commit to decide if the result would be a no-op
commit, even when amending a commit, which was incorrect, and
has been corrected.
* The code to parse GPG output used to assume incorrectly that the
finterprint for the primary key would always be present for a valid
signature, which has been corrected.
(merge 67a6ea6300 hi/gpg-optional-pkfp-fix later to maint).
* "git submodule status" and "git submodule status --cached" show
different things, but the documentation did not cover them
correctly, which has been corrected.
(merge 8d483c8408 mg/doc-submodule-status-cached later to maint).
* "git reset --patch $object" without any pathspec should allow a
tree object to be given, but incorrectly required a committish,
which has been corrected.
* "git submodule status" that is run from a subdirectory of the
superproject did not work well, which has been corrected.
(merge 1f3aea22c7 mg/submodule-status-from-a-subdirectory later to maint).
* The revision walking machinery uses resources like per-object flag
bits that need to be reset before a new iteration of walking
begins, but the resources related to topological walk were not
cleared correctly, which has been corrected.
(merge 0aa0c2b2ec mh/clear-topo-walk-upon-reset later to maint).
* TravisCI update.
(merge 176441bfb5 sg/osx-force-gcc-9 later to maint).
* While running "revert" or "cherry-pick --edit" for multiple
commits, a recent regression incorrectly detected "nothing to
commit, working tree clean", instead of replaying the commits,
which has been corrected.
(merge befd4f6a81 sg/assume-no-todo-update-in-cherry-pick later to maint).
* Work around a issue where a FD that is left open when spawning a
child process and is kept open in the child can interfere with the
operation in the parent process on Windows.
* One kind of progress messages were always given during commit-graph
generation, instead of following the "if it takes more than two
seconds, show progress" pattern, which has been corrected.
* "git rebase" did not work well when format.useAutoBase
configuration variable is set, which has been corrected.
* The "diff" machinery learned not to lose added/removed blank lines
in the context when --ignore-blank-lines and --function-context are
used at the same time.
(merge 0bb313a552 rs/xdiff-ignore-ws-w-func-context later to maint).
* The test on "fast-import" used to get stuck when "fast-import" died
in the middle.
(merge 0d9b0d7885 sg/t9300-robustify later to maint).
* "git format-patch" can take a set of configured format.notes values
to specify which notes refs to use in the log message part of the
output. The behaviour of this was not consistent with multiple
--notes command line options, which has been corrected.
(merge e0f9095aaa dl/format-patch-notes-config-fixup later to maint).
* "git p4" used to ignore lfs.storage configuration variable, which
has been corrected.
(merge ea94b16fb8 rb/p4-lfs later to maint).
* Assorted fixes to the directory traversal API.
(merge 6836d2fe06 en/fill-directory-fixes later to maint).
* Forbid pathnames that the platform's filesystem cannot represent on
MinGW.
(merge 4dc42c6c18 js/mingw-reserved-filenames later to maint).
* "git rebase --signoff" stopped working when the command was written
in C, which has been corrected.
(merge 4fe7e43c53 en/rebase-signoff-fix later to maint).
* An earlier update to Git for Windows declared that a tree object is
invalid if it has a path component with backslash in it, which was
overly strict, which has been corrected. The only protection the
Windows users need is to prevent such path (or any path that their
filesystem cannot check out) from entering the index.
(merge 224c7d70fa js/mingw-loosen-overstrict-tree-entry-checks later to maint).
* The code to write split commit-graph file(s) upon fetching computed
bogus value for the parameter used in splitting the resulting
files, which has been corrected.
(merge 63020f175f ds/commit-graph-set-size-mult later to maint).
* Other code cleanup, docfix, build fix, etc.
(merge 80736d7c5e jc/am-show-current-patch-docfix later to maint).
(merge 8b656572ca sg/commit-graph-usage-fix later to maint).
(merge 6c02042139 mr/clone-dir-exists-to-path-exists later to maint).
(merge 44ae131e38 sg/blame-indent-heuristics-is-now-the-default later to maint).
(merge 0115e5d929 dl/doc-diff-no-index-implies-exit-code later to maint).
(merge 270de6acbe en/t6024-style later to maint).
(merge 14c4776d75 ns/test-desc-typofix later to maint).
(merge 68d40f30c4 dj/typofix-merge-strat later to maint).
(merge f66e0401ab jk/optim-in-pack-idx-conversion later to maint).
(merge 169bed7421 rs/parse-options-dup-null-fix later to maint).
(merge 51bd6be32d rs/use-copy-array-in-mingw-shell-command-preparation later to maint).
(merge b018719927 ma/t7004 later to maint).
(merge 932757b0cc ar/install-doc-update-cmds-needing-the-shell later to maint).
(merge 46efd28be1 ep/guard-kset-tar-headers later to maint).
(merge 9e5afdf997 ec/fetch-mark-common-refs-trace2 later to maint).
(merge f0e58b3fe8 pb/submodule-update-fetches later to maint).
(merge 2a02262078 dl/t5520-cleanup later to maint).
(merge a4fb016ba1 js/pkt-line-h-typofix later to maint).
(merge 54a7a64613 rs/simplify-prepare-cmd later to maint).
(merge 3eae30e464 jk/lore-is-the-archive later to maint).
(merge 14b7664df8 dl/lore-is-the-archive later to maint).
(merge 0e40a73a4c po/bundle-doc-clonable later to maint).
(merge e714b898c6 as/t7812-missing-redirects-fix later to maint).
(merge 528d9e6d01 jk/perf-wo-git-dot-pm later to maint).
(merge fc42f20e24 sg/test-squelch-noise-in-commit-bulk later to maint).
(merge c64368e3a2 bc/t9001-zsh-in-posix-emulation-mode later to maint).
(merge 11de8dd7ef dr/branch-usage-casefix later to maint).
(merge e05e8cf074 rs/archive-zip-code-cleanup later to maint).
(merge 147ee35558 rs/commit-export-env-simplify later to maint).
(merge 4507ecc771 rs/patch-id-use-oid-to-hex later to maint).
(merge 51a0a4ed95 mr/bisect-use-after-free later to maint).
(merge cc2bd5c45d pb/submodule-doc-xref later to maint).
(merge df5be01669 ja/doc-markup-cleanup later to maint).
(merge 7c5cea7242 mr/bisect-save-pointer-to-const-string later to maint).
(merge 20a67e8ce9 js/use-test-tool-on-path later to maint).
(merge 4e61b2214d ew/packfile-syscall-optim later to maint).
(merge ace0f86c7f pb/clarify-line-log-doc later to maint).
(merge 763a59e71c en/merge-recursive-oid-eq-simplify later to maint).
(merge 4e2c4c0d4f do/gitweb-typofix-in-comments later to maint).
(merge 421c0ffb02 jb/doc-multi-pack-idx-fix later to maint).
(merge f8740c586b pm/am-in-body-header-doc-update later to maint).
(merge 5814d44d9b tm/doc-submodule-absorb-fix later to maint).
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