summaryrefslogtreecommitdiffstats
path: root/Documentation/RelNotes/2.32.0.txt
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/RelNotes/2.32.0.txt416
1 files changed, 416 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.32.0.txt b/Documentation/RelNotes/2.32.0.txt
new file mode 100644
index 0000000..87d56fa
--- /dev/null
+++ b/Documentation/RelNotes/2.32.0.txt
@@ -0,0 +1,416 @@
+Git 2.32 Release Notes
+======================
+
+Backward compatibility notes
+----------------------------
+
+ * ".gitattributes", ".gitignore", and ".mailmap" files that are
+ symbolic links are ignored.
+
+ * "git apply --3way" used to first attempt a straight application,
+ and only fell back to the 3-way merge algorithm when the stright
+ application failed. Starting with this version, the command will
+ first try the 3-way merge algorithm and only when it fails (either
+ resulting with conflict or the base versions of blobs are missing),
+ falls back to the usual patch application.
+
+
+Updates since v2.31
+-------------------
+
+UI, Workflows & Features
+
+ * It does not make sense to make ".gitattributes", ".gitignore" and
+ ".mailmap" symlinks, as they are supposed to be usable from the
+ object store (think: bare repositories where HEAD:.mailmap etc. are
+ used). When these files are symbolic links, we used to read the
+ contents of the files pointed by them by mistake, which has been
+ corrected.
+
+ * "git stash show" learned to optionally show untracked part of the
+ stash.
+
+ * "git log --format='...'" learned "%(describe)" placeholder.
+
+ * "git repack" so far has been only capable of repacking everything
+ under the sun into a single pack (or split by size). A cleverer
+ strategy to reduce the cost of repacking a repository has been
+ introduced.
+
+ * The http codepath learned to let the credential layer to cache the
+ password used to unlock a certificate that has successfully been
+ used.
+
+ * "git commit --fixup=<commit>", which was to tweak the changes made
+ to the contents while keeping the original log message intact,
+ learned "--fixup=(amend|reword):<commit>", that can be used to
+ tweak both the message and the contents, and only the message,
+ respectively.
+
+ * "git send-email" learned to honor the core.hooksPath configuration.
+
+ * "git format-patch -v<n>" learned to allow a reroll count that is
+ not an integer.
+
+ * "git commit" learned "--trailer <key>[=<value>]" option; together
+ with the interpret-trailers command, this will make it easier to
+ support custom trailers.
+
+ * "git clone --reject-shallow" option fails the clone as soon as we
+ notice that we are cloning from a shallow repository.
+
+ * A configuration variable has been added to force tips of certain
+ refs to be given a reachability bitmap.
+
+ * "gitweb" learned "e-mail privacy" feature to redact strings that
+ look like e-mail addresses on various pages.
+
+ * "git apply --3way" has always been "to fall back to 3-way merge
+ only when straight application fails". Swap the order of falling
+ back so that 3-way is always attempted first (only when the option
+ is given, of course) and then straight patch application is used as
+ a fallback when it fails.
+
+ * "git apply" now takes "--3way" and "--cached" at the same time, and
+ work and record results only in the index.
+
+ * The command line completion (in contrib/) has learned that
+ CHERRY_PICK_HEAD is a possible pseudo-ref.
+
+ * Userdiff patterns for "Scheme" has been added.
+
+ * "git log" learned "--diff-merges=<style>" option, with an
+ associated configuration variable log.diffMerges.
+
+ * "git log --format=..." placeholders learned %ah/%ch placeholders to
+ request the --date=human output.
+
+ * Replace GIT_CONFIG_NOSYSTEM mechanism to decline from reading the
+ system-wide configuration file with GIT_CONFIG_SYSTEM that lets
+ users specify from which file to read the system-wide configuration
+ (setting it to an empty file would essentially be the same as
+ setting NOSYSTEM), and introduce GIT_CONFIG_GLOBAL to override the
+ per-user configuration in $HOME/.gitconfig.
+
+ * "git add" and "git rm" learned not to touch those paths that are
+ outside of sparse checkout.
+
+ * "git rev-list" learns the "--filter=object:type=<type>" option,
+ which can be used to exclude objects of the given kind from the
+ packfile generated by pack-objects.
+
+ * The command line completion (in contrib/) for "git stash" has been
+ updated.
+
+ * "git subtree" updates.
+
+ * It is now documented that "format-patch" skips merges.
+
+ * Options to "git pack-objects" that take numeric values like
+ --window and --depth should not accept negative values; the input
+ validation has been tightened.
+
+ * The way the command line specified by the trailer.<token>.command
+ configuration variable receives the end-user supplied value was
+ both error prone and misleading. An alternative to achieve the
+ same goal in a safer and more intuitive way has been added, as
+ the trailer.<token>.cmd configuration variable, to replace it.
+
+ * "git add -i --dry-run" does not dry-run, which was surprising. The
+ combination of options has taught to error out.
+
+ * "git push" learns to discover common ancestor with the receiving
+ end over protocol v2. This will hopefully make "git push" as
+ efficient as "git fetch" in avoiding objects from getting
+ transferred unnecessarily.
+
+ * "git mailinfo" (hence "git am") learned the "--quoted-cr" option to
+ control how lines ending with CRLF wrapped in base64 or qp are
+ handled.
+
+
+Performance, Internal Implementation, Development Support etc.
+
+ * Rename detection rework continues.
+
+ * GIT_TEST_FAIL_PREREQS is a mechanism to skip test pieces with
+ prerequisites to catch broken tests that depend on the side effects
+ of optional pieces, but did not work at all when negative
+ prerequisites were involved.
+ (merge 27d578d904 jk/fail-prereq-testfix later to maint).
+
+ * "git diff-index" codepath has been taught to trust fsmonitor status
+ to reduce number of lstat() calls.
+ (merge 7e5aa13d2c nk/diff-index-fsmonitor later to maint).
+
+ * Reorganize Makefile to allow building git.o and other essential
+ objects without extra stuff needed only for testing.
+
+ * Preparatory API changes for parallel checkout.
+
+ * A simple IPC interface gets introduced to build services like
+ fsmonitor on top.
+
+ * Fsck API clean-up.
+
+ * SECURITY.md that is facing individual contributors and end users
+ has been introduced. Also a procedure to follow when preparing
+ embargoed releases has been spelled out.
+ (merge 09420b7648 js/security-md later to maint).
+
+ * Optimize "rev-list --use-bitmap-index --objects" corner case that
+ uses negative tags as the stopping points.
+
+ * CMake update for vsbuild.
+
+ * An on-disk reverse-index to map the in-pack location of an object
+ back to its object name across multiple packfiles is introduced.
+
+ * Generate [ec]tags under $(QUIET_GEN).
+
+ * Clean-up codepaths that implements "git send-email --validate"
+ option and improves the message from it.
+
+ * The last remnant of gettext-poison has been removed.
+
+ * The test framework has been taught to optionally turn the default
+ merge strategy to "ort" throughout the system where we use
+ three-way merges internally, like cherry-pick, rebase etc.,
+ primarily to enhance its test coverage (the strategy has been
+ available as an explicit "-s ort" choice).
+
+ * A bit of code clean-up and a lot of test clean-up around userdiff
+ area.
+
+ * Handling of "promisor packs" that allows certain objects to be
+ missing and lazily retrievable has been optimized (a bit).
+
+ * When packet_write() fails, we gave an extra error message
+ unnecessarily, which has been corrected.
+
+ * The checkout machinery has been taught to perform the actual
+ write-out of the files in parallel when able.
+
+ * Show errno in the trace output in the error codepath that calls
+ read_raw_ref method.
+
+ * Effort to make the command line completion (in contrib/) safe with
+ "set -u" continues.
+
+ * Tweak a few tests for "log --format=..." that show timestamps in
+ various formats.
+
+ * The reflog expiry machinery has been taught to emit trace events.
+
+ * Over-the-wire protocol learns a new request type to ask for object
+ sizes given a list of object names.
+
+
+Fixes since v2.31
+-----------------
+
+ * The fsmonitor interface read from its input without making sure
+ there is something to read from. This bug is new in 2.31
+ timeframe.
+
+ * The data structure used by fsmonitor interface was not properly
+ duplicated during an in-core merge, leading to use-after-free etc.
+
+ * "git bisect" reimplemented more in C during 2.30 timeframe did not
+ take an annotated tag as a good/bad endpoint well. This regression
+ has been corrected.
+
+ * Fix macros that can silently inject unintended null-statements.
+
+ * CALLOC_ARRAY() macro replaces many uses of xcalloc().
+
+ * Update insn in Makefile comments to run fuzz-all target.
+
+ * Fix a corner case bug in "git mv" on case insensitive systems,
+ which was introduced in 2.29 timeframe.
+
+ * We had a code to diagnose and die cleanly when a required
+ clean/smudge filter is missing, but an assert before that
+ unnecessarily fired, hiding the end-user facing die() message.
+ (merge 6fab35f748 mt/cleanly-die-upon-missing-required-filter later to maint).
+
+ * Update C code that sets a few configuration variables when a remote
+ is configured so that it spells configuration variable names in the
+ canonical camelCase.
+ (merge 0f1da600e6 ab/remote-write-config-in-camel-case later to maint).
+
+ * A new configuration variable has been introduced to allow choosing
+ which version of the generation number gets used in the
+ commit-graph file.
+ (merge 702110aac6 ds/commit-graph-generation-config later to maint).
+
+ * Perf test update to work better in secondary worktrees.
+ (merge 36e834abc1 jk/perf-in-worktrees later to maint).
+
+ * Updates to memory allocation code around the use of pcre2 library.
+ (merge c1760352e0 ab/grep-pcre2-allocfix later to maint).
+
+ * "git -c core.bare=false clone --bare ..." would have segfaulted,
+ which has been corrected.
+ (merge 75555676ad bc/clone-bare-with-conflicting-config later to maint).
+
+ * When "git checkout" removes a path that does not exist in the
+ commit it is checking out, it wasn't careful enough not to follow
+ symbolic links, which has been corrected.
+ (merge fab78a0c3d mt/checkout-remove-nofollow later to maint).
+
+ * A few option description strings started with capital letters,
+ which were corrected.
+ (merge 5ee90326dc cc/downcase-opt-help later to maint).
+
+ * Plug or annotate remaining leaks that trigger while running the
+ very basic set of tests.
+ (merge 68ffe095a2 ah/plugleaks later to maint).
+
+ * The hashwrite() API uses a buffering mechanism to avoid calling
+ write(2) too frequently. This logic has been refactored to be
+ easier to understand.
+ (merge ddaf1f62e3 ds/clarify-hashwrite later to maint).
+
+ * "git cherry-pick/revert" with or without "--[no-]edit" did not spawn
+ the editor as expected (e.g. "revert --no-edit" after a conflict
+ still asked to edit the message), which has been corrected.
+ (merge 39edfd5cbc en/sequencer-edit-upon-conflict-fix later to maint).
+
+ * "git daemon" has been tightened against systems that take backslash
+ as directory separator.
+ (merge 9a7f1ce8b7 rs/daemon-sanitize-dir-sep later to maint).
+
+ * A NULL-dereference bug has been corrected in an error codepath in
+ "git for-each-ref", "git branch --list" etc.
+ (merge c685450880 jk/ref-filter-segfault-fix later to maint).
+
+ * Streamline the codepath to fix the UTF-8 encoding issues in the
+ argv[] and the prefix on macOS.
+ (merge c7d0e61016 tb/precompose-prefix-simplify later to maint).
+
+ * The command-line completion script (in contrib/) had a couple of
+ references that would have given a warning under the "-u" (nounset)
+ option.
+ (merge c5c0548d79 vs/completion-with-set-u later to maint).
+
+ * When "git pack-objects" makes a literal copy of a part of existing
+ packfile using the reachability bitmaps, its update to the progress
+ meter was broken.
+ (merge 8e118e8490 jk/pack-objects-bitmap-progress-fix later to maint).
+
+ * The dependencies for config-list.h and command-list.h were broken
+ when the former was split out of the latter, which has been
+ corrected.
+ (merge 56550ea718 sg/bugreport-fixes later to maint).
+
+ * "git push --quiet --set-upstream" was not quiet when setting the
+ upstream branch configuration, which has been corrected.
+ (merge f3cce896a8 ow/push-quiet-set-upstream later to maint).
+
+ * The prefetch task in "git maintenance" assumed that "git fetch"
+ from any remote would fetch all its local branches, which would
+ fetch too much if the user is interested in only a subset of
+ branches there.
+ (merge 32f67888d8 ds/maintenance-prefetch-fix later to maint).
+
+ * Clarify that pathnames recorded in Git trees are most often (but
+ not necessarily) encoded in UTF-8.
+ (merge 9364bf465d ab/pathname-encoding-doc later to maint).
+
+ * "git --config-env var=val cmd" weren't accepted (only
+ --config-env=var=val was).
+ (merge c331551ccf ps/config-env-option-with-separate-value later to maint).
+
+ * When the reachability bitmap is in effect, the "do not lose
+ recently created objects and those that are reachable from them"
+ safety to protect us from races were disabled by mistake, which has
+ been corrected.
+ (merge 2ba582ba4c jk/prune-with-bitmap-fix later to maint).
+
+ * Cygwin pathname handling fix.
+ (merge bccc37fdc7 ad/cygwin-no-backslashes-in-paths later to maint).
+
+ * "git rebase --[no-]reschedule-failed-exec" did not work well with
+ its configuration variable, which has been corrected.
+ (merge e5b32bffd1 ab/rebase-no-reschedule-failed-exec later to maint).
+
+ * Portability fix for command line completion script (in contrib/).
+ (merge f2acf763e2 si/zsh-complete-comment-fix later to maint).
+
+ * "git repack -A -d" in a partial clone unnecessarily loosened
+ objects in promisor pack.
+
+ * "git bisect skip" when custom words are used for new/old did not
+ work, which has been corrected.
+
+ * A few variants of informational message "Already up-to-date" has
+ been rephrased.
+ (merge ad9322da03 js/merge-already-up-to-date-message-reword later to maint).
+
+ * "git submodule update --quiet" did not propagate the quiet option
+ down to underlying "git fetch", which has been corrected.
+ (merge 62af4bdd42 nc/submodule-update-quiet later to maint).
+
+ * Document that our test can use "local" keyword.
+ (merge a84fd3bcc6 jc/test-allows-local later to maint).
+
+ * The word-diff mode has been taught to work better with a word
+ regexp that can match an empty string.
+ (merge 0324e8fc6b pw/word-diff-zero-width-matches later to maint).
+
+ * "git p4" learned to find branch points more efficiently.
+ (merge 6b79818bfb jk/p4-locate-branch-point-optim later to maint).
+
+ * When "git update-ref -d" removes a ref that is packed, it left
+ empty directories under $GIT_DIR/refs/ for
+ (merge 5f03e5126d wc/packed-ref-removal-cleanup later to maint).
+
+ * "git clean" and "git ls-files -i" had confusion around working on
+ or showing ignored paths inside an ignored directory, which has
+ been corrected.
+ (merge b548f0f156 en/dir-traversal later to maint).
+
+ * The handling of "%(push)" formatting element of "for-each-ref" and
+ friends was broken when the same codepath started handling
+ "%(push:<what>)", which has been corrected.
+ (merge 1e1c4c5eac zh/ref-filter-push-remote-fix later to maint).
+
+ * The bash prompt script (in contrib/) did not work under "set -u".
+ (merge 5c0cbdb107 en/prompt-under-set-u later to maint).
+
+ * The "chainlint" feature in the test framework is a handy way to
+ catch common mistakes in writing new tests, but tends to get
+ expensive. An knob to selectively disable it has been introduced
+ to help running tests that the developer has not modified.
+ (merge 2d86a96220 jk/test-chainlint-softer later to maint).
+
+ * The "rev-parse" command did not diagnose the lack of argument to
+ "--path-format" option, which was introduced in v2.31 era, which
+ has been corrected.
+ (merge 99fc555188 wm/rev-parse-path-format-wo-arg later to maint).
+
+ * Other code cleanup, docfix, build fix, etc.
+ (merge f451960708 dl/cat-file-doc-cleanup later to maint).
+ (merge 12604a8d0c sv/t9801-test-path-is-file-cleanup later to maint).
+ (merge ea7e63921c jr/doc-ignore-typofix later to maint).
+ (merge 23c781f173 ps/update-ref-trans-hook-doc later to maint).
+ (merge 42efa1231a jk/filter-branch-sha256 later to maint).
+ (merge 4c8e3dca6e tb/push-simple-uses-branch-merge-config later to maint).
+ (merge 6534d436a2 bs/asciidoctor-installation-hints later to maint).
+ (merge 47957485b3 ab/read-tree later to maint).
+ (merge 2be927f3d1 ab/diff-no-index-tests later to maint).
+ (merge 76593c09bb ab/detox-gettext-tests later to maint).
+ (merge 28e29ee38b jc/doc-format-patch-clarify later to maint).
+ (merge fc12b6fdde fm/user-manual-use-preface later to maint).
+ (merge dba94e3a85 cc/test-helper-bloom-usage-fix later to maint).
+ (merge 61a7660516 hn/reftable-tables-doc-update later to maint).
+ (merge 81ed96a9b2 jt/fetch-pack-request-fix later to maint).
+ (merge 151b6c2dd7 jc/doc-do-not-capitalize-clarification later to maint).
+ (merge 9160068ac6 js/access-nul-emulation-on-windows later to maint).
+ (merge 7a14acdbe6 po/diff-patch-doc later to maint).
+ (merge f91371b948 pw/patience-diff-clean-up later to maint).
+ (merge 3a7f0908b6 mt/clean-clean later to maint).
+ (merge d4e2d15a8b ab/streaming-simplify later to maint).
+ (merge 0e59f7ad67 ah/merge-ort-i18n later to maint).
+ (merge e6f68f62e0 ls/typofix later to maint).