275 lines
12 KiB
Plaintext
275 lines
12 KiB
Plaintext
Git 2.14 Release Notes
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======================
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Backward compatibility notes.
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* Use of an empty string as a pathspec element that is used for
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'everything matches' is still warned and Git asks users to use a
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more explicit '.' for that instead. The hope is that existing
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users will not mind this change, and eventually the warning can be
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turned into a hard error, upgrading the deprecation into removal of
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this (mis)feature. That is not scheduled to happen in the upcoming
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release (yet).
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* Git now avoids blindly falling back to ".git" when the setup
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sequence said we are _not_ in Git repository. A corner case that
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happens to work right now may be broken by a call to die("BUG").
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We've tried hard to locate such cases and fixed them, but there
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might still be cases that need to be addressed--bug reports are
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greatly appreciated.
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Updates since v2.13
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-------------------
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UI, Workflows & Features
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* The colors in which "git status --short --branch" showed the names
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of the current branch and its remote-tracking branch are now
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configurable.
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* "git clone" learned the "--no-tags" option not to fetch all tags
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initially, and also set up the tagopt not to follow any tags in
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subsequent fetches.
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* "git archive --format=zip" learned to use zip64 extension when
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necessary to go beyond the 4GB limit.
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(merge 867e40ff3a rs/large-zip later to maint).
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* "git reset" learned "--recurse-submodules" option.
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* "git diff --submodule=diff" now recurses into nested submodules.
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(merge 5a5221427c jk/diff-submodule-diff-inline later to maint).
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* "git repack" learned to accept the --threads=<n> option and pass it
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to pack-objects.
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* "git send-email" learned to run sendemail-validate hook to inspect
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and reject a message before sending it out.
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(merge 6489660b4b jt/send-email-validate-hook later to maint).
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* There is no good reason why "git fetch $there $sha1" should fail
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when the $sha1 names an object at the tip of an advertised ref,
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even when the other side hasn't enabled allowTipSHA1InWant.
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* The recently introduced "[includeIf "gitdir:$dir"] path=..."
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mechansim has further been taught to take symlinks into account.
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The directory "$dir" specified in "gitdir:$dir" may be a symlink to
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a real location, not something that $(getcwd) may return. In such
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a case, a realpath of "$dir" is compared with the real path of the
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current repository to determine if the contents from the named path
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should be included.
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Performance, Internal Implementation, Development Support etc.
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* The default packed-git limit value has been raised on larger
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platforms to save "git fetch" from a (recoverable) failure while
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"gc" is running in parallel.
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* Code to update the cache-tree has been tightened so that we won't
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accidentally write out any 0{40} entry in the tree object.
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(merge a96d3cc3f6 jk/no-null-sha1-in-cache-tree later to maint).
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* Attempt to allow us notice "fishy" situation where we fail to
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remove the temporary directory used during the test.
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* Travis CI gained a task to format the documentation with both
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AsciiDoc and AsciiDoctor.
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(merge 505ad91304 ls/travis-doc-asciidoctor later to maint).
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* Some platforms have ulong that is smaller than time_t, and our
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historical use of ulong for timestamp would mean they cannot
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represent some timestamp that the platform allows. Invent a
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separate and dedicated timestamp_t (so that we can distingiuish
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timestamps and a vanilla ulongs, which along is already a good
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move), and then declare uintmax_t is the type to be used as the
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timestamp_t.
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* We can trigger Windows auto-build tester (credits: Dscho &
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Microsoft) from our existing Travis CI tester now.
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* Conversion from uchar[20] to struct object_id continues.
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* Simplify parse_pathspec() codepath and stop it from looking at the
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default in-core index.
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(merge 08de9151a8 bw/pathspec-sans-the-index later to maint).
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* Add perf-test for wildmatch.
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(merge 62ca75a6b9 ab/perf-wildmatch later to maint).
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* Code from "conversion using external process" codepath has been
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extracted to a separate sub-process.[ch] module.
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(merge 4f2a2e9f0e bp/sub-process-convert-filter later to maint).
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* When "git checkout", "git merge", etc. manipulates the in-core
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index, various pieces of information in the index extensions are
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discarded from the original state, as it is usually not the case
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that they are kept up-to-date and in-sync with the operation on the
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main index. The untracked cache extension is copied across these
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operations now, which would speed up "git status" (as long as the
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cache is properly invalidated).
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Also contains various documentation updates and code clean-ups.
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Fixes since v2.13
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-----------------
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Unless otherwise noted, all the fixes since v2.13 in the maintenance
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track are contained in this release (see the maintenance releases'
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notes for details).
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* "git gc" did not interact well with "git worktree"-managed
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per-worktree refs.
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* "git cherry-pick" and other uses of the sequencer machinery
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mishandled a trailer block whose last line is an incomplete line.
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This has been fixed so that an additional sign-off etc. are added
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after completing the existing incomplete line.
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(merge 44dc738a39 jt/use-trailer-api-in-commands later to maint).
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* The codepath in "git am" that is used when running "git rebase"
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leaked memory held for the log message of the commits being rebased.
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(merge 721f5f1e35 jk/am-leakfix later to maint).
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* "git clone --config var=val" is a way to populate the
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per-repository configuration file of the new repository, but it did
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not work well when val is an empty string. This has been fixed.
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(merge db4eca1fea jn/clone-add-empty-config-from-command-line later to maint).
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* Setting "log.decorate=false" in the configuration file did not take
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effect in v2.13, which has been corrected.
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(merge c74271aae7 ah/log-decorate-default-to-auto later to maint).
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* A few codepaths in "checkout" and "am" working on an unborn branch
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tried to access an uninitialized piece of memory.
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(merge 57e0ef0e0e rs/checkout-am-fix-unborn later to maint).
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* The Web interface to gmane news archive is long gone, even though
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the articles are still accessible via NTTP. Replace the links with
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ones to public-inbox.org. Because their message identification is
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based on the actual message-id, it is likely that it will be easier
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to migrate away from it if/when necessary.
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(merge 5840eb9d14 ab/doc-replace-gmane-links later to maint).
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* The receive-pack program now makes sure that the push certificate
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records the same set of push options used for pushing.
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(merge cbaf82cc6b jt/push-options-doc later to maint).
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* Tests have been updated to pass under GETTEXT_POISON (a mechanism
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to ensure that output strings that should not be translated are
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not translated by mistake), and TravisCI is told to run them.
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(merge b8e188f6f5 ab/fix-poison-tests later to maint).
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* "git checkout --recurse-submodules" did not quite work with a
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submodule that itself has submodules.
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(merge 218c883783 sb/checkout-recurse-submodules later to maint).
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* Plug some leaks and updates internal API used to implement the
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split index feature to make it easier to avoid such a leak in the
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future.
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(merge de950c5773 nd/split-index-unshare later to maint).
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* "pack-objects" can stream a slice of an existing packfile out when
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the pack bitmap can tell that the reachable objects are all needed
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in the output, without inspecting individual objects. This
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strategy however would not work well when "--local" and other
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options are in use, and need to be disabled.
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(merge da5a1f8100 jk/disable-pack-reuse-when-broken later to maint).
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* Fix memory leaks pointed out by Coverity (and people).
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(merge 443a12f37b js/plug-leaks later to maint).
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* "git read-tree -m" (no tree-ish) gave a nonsense suggestion "use
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--empty if you want to clear the index". With "-m", such a request
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will still fail anyway, as you'd need to name at least one tree-ish
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to be merged.
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(merge b9b10d3681 jc/read-tree-empty-with-m later to maint).
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* Make sure our tests would pass when the sources are checked out
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with "platform native" line ending convention by default on
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Windows. Some "text" files out tests use and the test scripts
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themselves that are meant to be run with /bin/sh, ought to be
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checked out with eol=LF even on Windows.
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(merge 2779f66505 js/eol-on-ourselves later to maint).
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* Introduce the BUG() macro to improve die("BUG: ...").
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(merge 3d7dd2d3b6 jk/bug-to-abort later to maint).
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* Clarify documentation for include.path and includeIf.<condition>.path
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configuration variables.
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(merge ce933ebd5a jk/doc-config-include later to maint).
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* Git sometimes gives an advice in a rhetorical question that does
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not require an answer, which can confuse new users and non native
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speakers. Attempt to rephrase them.
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(merge 6963893943 ja/do-not-ask-needless-questions later to maint).
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* A few http:// links that are redirected to https:// in the
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documentation have been updated to https:// links.
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(merge 5e68729fd9 jk/update-links-in-docs later to maint).
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* "git for-each-ref --format=..." with %(HEAD) in the format used to
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resolve the HEAD symref as many times as it had processed refs,
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which was wasteful, and "git branch" shared the same problem.
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(merge 613a0e52ea kn/ref-filter-branch-list later to maint).
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* Regression fix to topic recently merged to 'master'.
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(merge d096d7f1ef pw/rebase-i-regression-fix later to maint).
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* The shell completion script (in contrib/) learned "git stash" has
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a new "push" subcommand.
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(merge 3851e4483f tg/stash-push-fixup later to maint).
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* "git interpret-trailers", when used as GIT_EDITOR for "git commit
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-v", looked for and appended to a trailer block at the very end,
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i.e. at the end of the "diff" output. The command has been
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corrected to pay attention to the cut-mark line "commit -v" adds to
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the buffer---the real trailer block should appear just before it.
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(merge d76650b8d1 bm/interpret-trailers-cut-line-is-eom later to maint).
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* A test allowed both "git push" and "git receive-pack" on the other
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end write their traces into the same file. This is OK on platforms
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that allows atomically appending to a file opened with O_APPEND,
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but on other platforms led to a mangled output, causing
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intermittent test failures. This has been fixed by disabling
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traces from "receive-pack" in the test.
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(merge 71406ed4d6 jk/alternate-ref-optim later to maint).
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* Tag objects, which are not reachable from any ref, that point at
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missing objects were mishandled by "git gc" and friends (they
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should silently be ignored instead)
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(merge a3ba6bf10a jk/ignore-broken-tags-when-ignoring-missing-links later to maint).
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* "git describe --contains" penalized light-weight tags so much that
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they were almost never considered. Instead, give them about the
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same chance to be considered as an annotated tag that is the same
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age as the underlying commit would.
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(merge ef1e74065c jc/name-rev-lw-tag later to maint).
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* The "run-command" API implementation has been made more robust
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against dead-locking in a threaded environment.
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(merge e3f43ce765 bw/forking-and-threading later to maint).
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* A recent update to t5545-push-options.sh started skipping all the
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tests in the script when a web server testing is disabled or
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unavailable, not just the ones that require a web server. Non HTTP
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tests have been salvaged to always run in this script.
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(merge 2e397e4ddf jc/skip-test-in-the-middle later to maint).
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* "git send-email" now uses Net::SMTP::SSL, which is obsolete, only
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when needed. Recent versions of Net::SMTP can do TLS natively.
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(merge 0ead000c3a dk/send-email-avoid-net-smtp-ssl-when-able later to maint).
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* Other minor doc, test and build updates and code cleanups.
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(merge 515360f9e9 jn/credential-doc-on-clear later to maint).
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(merge 0e6d899fee ab/aix-needs-compat-regex later to maint).
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(merge e294e8959f jc/apply-fix-mismerge later to maint).
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(merge 7f1b225153 bw/submodule-with-bs-path later to maint).
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(merge c8f7c8b704 tb/dedup-crlf-tests later to maint).
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(merge 449456ad47 sg/core-filemode-doc-typofix later to maint).
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(merge ba4dce784e km/log-showsignature-doc later to maint).
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(merge c5a9157393 jh/memihash-opt later to maint).
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