summaryrefslogtreecommitdiffstats
path: root/Documentation/RelNotes/2.23.0.txt
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/RelNotes/2.23.0.txt348
1 files changed, 348 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.23.0.txt b/Documentation/RelNotes/2.23.0.txt
new file mode 100644
index 0000000..e3c4e78
--- /dev/null
+++ b/Documentation/RelNotes/2.23.0.txt
@@ -0,0 +1,348 @@
+Git 2.23 Release Notes
+======================
+
+Updates since v2.22
+-------------------
+
+Backward compatibility note
+
+ * The "--base" option of "format-patch" computed the patch-ids for
+ prerequisite patches in an unstable way, which has been updated to
+ compute in a way that is compatible with "git patch-id --stable".
+
+ * The "git log" command by default behaves as if the --mailmap option
+ was given.
+
+
+UI, Workflows & Features
+
+ * The "git fast-export/import" pair has been taught to handle commits
+ with log messages in encoding other than UTF-8 better.
+
+ * In recent versions of Git, per-worktree refs are exposed in
+ refs/worktrees/<wtname>/ hierarchy, which means that worktree names
+ must be a valid refname component. The code now sanitizes the names
+ given to worktrees, to make sure these refs are well-formed.
+
+ * "git merge" learned "--quit" option that cleans up the in-progress
+ merge while leaving the working tree and the index still in a mess.
+
+ * "git format-patch" learns a configuration to set the default for
+ its --notes=<ref> option.
+
+ * The code to show args with potential typo that cannot be
+ interpreted as a commit-ish has been improved.
+
+ * "git clone --recurse-submodules" learned to set up the submodules
+ to ignore commit object names recorded in the superproject gitlink
+ and instead use the commits that happen to be at the tip of the
+ remote-tracking branches from the get-go, by passing the new
+ "--remote-submodules" option.
+
+ * The pattern "git diff/grep" use to extract funcname and words
+ boundary for Matlab has been extend to cover Octave, which is more
+ or less equivalent.
+
+ * "git help git" was hard to discover (well, at least for some
+ people).
+
+ * The pattern "git diff/grep" use to extract funcname and words
+ boundary for Rust has been added.
+
+ * "git status" can be told a non-standard default value for the
+ "--[no-]ahead-behind" option with a new configuration variable
+ status.aheadBehind.
+
+ * "git fetch" and "git pull" reports when a fetch results in
+ non-fast-forward updates to let the user notice unusual situation.
+ The commands learned "--no-show-forced-updates" option to disable
+ this safety feature.
+
+ * Two new commands "git switch" and "git restore" are introduced to
+ split "checking out a branch to work on advancing its history" and
+ "checking out paths out of the index and/or a tree-ish to work on
+ advancing the current history" out of the single "git checkout"
+ command.
+
+ * "git branch --list" learned to always output the detached HEAD as
+ the first item (when the HEAD is detached, of course), regardless
+ of the locale.
+
+ * The conditional inclusion mechanism learned to base the choice on
+ the branch the HEAD currently is on.
+
+ * "git rev-list --objects" learned the "--no-object-names" option to
+ squelch the path to the object that is used as a grouping hint for
+ pack-objects.
+
+ * A new tag.gpgSign configuration variable turns "git tag -a" into
+ "git tag -s".
+
+ * "git multi-pack-index" learned expire and repack subcommands.
+
+ * "git blame" learned to "ignore" commits in the history, whose
+ effects (as well as their presence) get ignored.
+
+ * "git cherry-pick/revert" learned a new "--skip" action.
+
+ * The tips of refs from the alternate object store can be used as
+ starting point for reachability computation now.
+
+ * Extra blank lines in "git status" output have been reduced.
+
+ * The commits in a repository can be described by multiple
+ commit-graph files now, which allows the commit-graph files to be
+ updated incrementally.
+
+ * "git range-diff" output has been tweaked for easier identification
+ of which part of what file the patch shown is about.
+
+
+Performance, Internal Implementation, Development Support etc.
+
+ * Update supporting parts of "git rebase" to remove code that should
+ no longer be used.
+
+ * Developer support to emulate unsatisfied prerequisites in tests to
+ ensure that the remainder of the tests still succeeds when tests
+ with prerequisites are skipped.
+
+ * "git update-server-info" learned not to rewrite the file with the
+ same contents.
+
+ * The way of specifying the path to find dynamic libraries at runtime
+ has been simplified. The old default to pass -R/path/to/dir has been
+ replaced with the new default to pass -Wl,-rpath,/path/to/dir,
+ which is the more recent GCC uses. Those who need to build with an
+ old GCC can still use "CC_LD_DYNPATH=-R"
+
+ * Prepare use of reachability index in topological walker that works
+ on a range (A..B).
+
+ * A new tutorial targeting specifically aspiring git-core
+ developers has been added.
+
+ * Auto-detect how to tell HP-UX aCC where to use dynamically linked
+ libraries from at runtime.
+
+ * "git mergetool" and its tests now spawn fewer subprocesses.
+
+ * Dev support update to help tracing out tests.
+
+ * Support to build with MSVC has been updated.
+
+ * "git fetch" that grabs from a group of remotes learned to run the
+ auto-gc only once at the very end.
+
+ * A handful of Windows build patches have been upstreamed.
+
+ * The code to read state files used by the sequencer machinery for
+ "git status" has been made more robust against a corrupt or stale
+ state files.
+
+ * "git for-each-ref" with multiple patterns have been optimized.
+
+ * The tree-walk API learned to pass an in-core repository
+ instance throughout more codepaths.
+
+ * When one step in multi step cherry-pick or revert is reset or
+ committed, the command line prompt script failed to notice the
+ current status, which has been improved.
+
+ * Many GIT_TEST_* environment variables control various aspects of
+ how our tests are run, but a few followed "non-empty is true, empty
+ or unset is false" while others followed the usual "there are a few
+ ways to spell true, like yes, on, etc., and also ways to spell
+ false, like no, off, etc." convention.
+
+ * Adjust the dir-iterator API and apply it to the local clone
+ optimization codepath.
+
+ * We have been trying out a few language features outside c89; the
+ coding guidelines document did not talk about them and instead had
+ a blanket ban against them.
+
+ * A test helper has been introduced to optimize preparation of test
+ repositories with many simple commits, and a handful of test
+ scripts have been updated to use it.
+
+
+Fixes since v2.22
+-----------------
+
+ * A relative pathname given to "git init --template=<path> <repo>"
+ ought to be relative to the directory "git init" gets invoked in,
+ but it instead was made relative to the repository, which has been
+ corrected.
+
+ * "git worktree add" used to fail when another worktree connected to
+ the same repository was corrupt, which has been corrected.
+
+ * The ownership rule for the file descriptor to fast-import remote
+ backend was mixed up, leading to an unrelated file descriptor getting
+ closed, which has been fixed.
+
+ * A "merge -c" instruction during "git rebase --rebase-merges" should
+ give the user a chance to edit the log message, even when there is
+ otherwise no need to create a new merge and replace the existing
+ one (i.e. fast-forward instead), but did not. Which has been
+ corrected.
+
+ * Code cleanup and futureproof.
+
+ * More parameter validation.
+
+ * "git update-server-info" used to leave stale packfiles in its
+ output, which has been corrected.
+
+ * The server side support for "git fetch" used to show incorrect
+ value for the HEAD symbolic ref when the namespace feature is in
+ use, which has been corrected.
+
+ * "git am -i --resolved" segfaulted after trying to see a commit as
+ if it were a tree, which has been corrected.
+
+ * "git bundle verify" needs to see if prerequisite objects exist in
+ the receiving repository, but the command did not check if we are
+ in a repository upfront, which has been corrected.
+
+ * "git merge --squash" is designed to update the working tree and the
+ index without creating the commit, and this cannot be countermanded
+ by adding the "--commit" option; the command now refuses to work
+ when both options are given.
+
+ * The data collected by fsmonitor was not properly written back to
+ the on-disk index file, breaking t7519 tests occasionally, which
+ has been corrected.
+
+ * Update to Unicode 12.1 width table.
+
+ * The command line to invoke a "git cat-file" command from inside
+ "git p4" was not properly quoted to protect a caret and running a
+ broken command on Windows, which has been corrected.
+
+ * "git request-pull" learned to warn when the ref we ask them to pull
+ from in the local repository and in the published repository are
+ different.
+
+ * When creating a partial clone, the object filtering criteria is
+ recorded for the origin of the clone, but this incorrectly used a
+ hardcoded name "origin" to name that remote; it has been corrected
+ to honor the "--origin <name>" option.
+
+ * "git fetch" into a lazy clone forgot to fetch base objects that are
+ necessary to complete delta in a thin packfile, which has been
+ corrected.
+
+ * The filter_data used in the list-objects-filter (which manages a
+ lazily sparse clone repository) did not use the dynamic array API
+ correctly---'nr' is supposed to point at one past the last element
+ of the array in use. This has been corrected.
+
+ * The description about slashes in gitignore patterns (used to
+ indicate things like "anchored to this level only" and "only
+ matches directories") has been revamped.
+
+ * The URL decoding code has been updated to avoid going past the end
+ of the string while parsing %-<hex>-<hex> sequence.
+
+ * The list of for-each like macros used by clang-format has been
+ updated.
+
+ * "git branch --list" learned to show branches that are checked out
+ in other worktrees connected to the same repository prefixed with
+ '+', similar to the way the currently checked out branch is shown
+ with '*' in front.
+ (merge 6e9381469e nb/branch-show-other-worktrees-head later to maint).
+
+ * Code restructuring during 2.20 period broke fetching tags via
+ "import" based transports.
+
+ * The commit-graph file is now part of the "files that the runtime
+ may keep open file descriptors on, all of which would need to be
+ closed when done with the object store", and the file descriptor to
+ an existing commit-graph file now is closed before "gc" finalizes a
+ new instance to replace it.
+
+ * "git checkout -p" needs to selectively apply a patch in reverse,
+ which did not work well.
+
+ * Code clean-up to avoid signed integer wraparounds during binary search.
+
+ * "git interpret-trailers" always treated '#' as the comment
+ character, regardless of core.commentChar setting, which has been
+ corrected.
+
+ * "git stash show 23" used to work, but no more after getting
+ rewritten in C; this regression has been corrected.
+
+ * "git rebase --abort" used to leave refs/rewritten/ when concluding
+ "git rebase -r", which has been corrected.
+
+ * An incorrect list of options was cached after command line
+ completion failed (e.g. trying to complete a command that requires
+ a repository outside one), which has been corrected.
+
+ * The code to parse scaled numbers out of configuration files has
+ been made more robust and also easier to follow.
+
+ * The codepath to compute delta islands used to spew progress output
+ without giving the callers any way to squelch it, which has been
+ fixed.
+
+ * Protocol capabilities that go over wire should never be translated,
+ but it was incorrectly marked for translation, which has been
+ corrected. The output of protocol capabilities for debugging has
+ been tweaked a bit.
+
+ * Use "Erase in Line" CSI sequence that is already used in the editor
+ support to clear cruft in the progress output.
+
+ * "git submodule foreach" did not protect command line options passed
+ to the command to be run in each submodule correctly, when the
+ "--recursive" option was in use.
+
+ * The configuration variable rebase.rescheduleFailedExec should be
+ effective only while running an interactive rebase and should not
+ affect anything when running a non-interactive one, which was not
+ the case. This has been corrected.
+
+ * The "git clone" documentation refers to command line options in its
+ description in the short form; they have been replaced with long
+ forms to make them more recognisable.
+
+ * Generation of pack bitmaps are now disabled when .keep files exist,
+ as these are mutually exclusive features.
+ (merge 7328482253 ew/repack-with-bitmaps-by-default later to maint).
+
+ * "git rm" to resolve a conflicted path leaked an internal message
+ "needs merge" before actually removing the path, which was
+ confusing. This has been corrected.
+
+ * "git stash --keep-index" did not work correctly on paths that have
+ been removed, which has been fixed.
+ (merge b932f6a5e8 tg/stash-keep-index-with-removed-paths later to maint).
+
+ * Window 7 update ;-)
+
+ * A codepath that reads from GPG for signed object verification read
+ past the end of allocated buffer, which has been fixed.
+
+ * "git clean" silently skipped a path when it cannot lstat() it; now
+ it gives a warning.
+
+ * "git push --atomic" that goes over the transport-helper (namely,
+ the smart http transport) failed to prevent refs to be pushed when
+ it can locally tell that one of the ref update will fail without
+ having to consult the other end, which has been corrected.
+
+ * The internal diff machinery can be made to read out of bounds while
+ looking for --function-context line in a corner case, which has been
+ corrected.
+ (merge b777f3fd61 jk/xdiff-clamp-funcname-context-index later to maint).
+
+ * Other code cleanup, docfix, build fix, etc.
+ (merge fbec05c210 cc/test-oidmap later to maint).
+ (merge 7a06fb038c jk/no-system-includes-in-dot-c later to maint).
+ (merge 81ed2b405c cb/xdiff-no-system-includes-in-dot-c later to maint).
+ (merge d61e6ce1dd sg/fsck-config-in-doc later to maint).