2020-01-22 23:07:12 +00:00
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Git 2.26 Release Notes
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======================
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Updates since v2.25
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-------------------
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2020-03-12 21:36:00 +00:00
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Backward compatibility notes
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* "git rebase" uses a different backend that is based on the 'merge'
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machinery by default. There are a few known differences in the
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2020-03-18 21:18:26 +00:00
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behaviour from the traditional machinery based on patch+apply.
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2020-03-12 21:36:00 +00:00
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If your workflow is negatively affected by this change, please
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report it to git@vger.kernel.org so that we can take a look into
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2020-03-16 19:46:32 +00:00
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it. After doing so, you can set the 'rebase.backend' configuration
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variable to 'apply', in order to use the old default behaviour in
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the meantime.
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2020-03-12 21:36:00 +00:00
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2020-01-22 23:07:12 +00:00
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UI, Workflows & Features
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* Sample credential helper for using .netrc has been updated to work
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out of the box.
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2020-01-30 22:16:10 +00:00
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* gpg.minTrustLevel configuration variable has been introduced to
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tell various signature verification codepaths the required minimum
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trust level.
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* The command line completion (in contrib/) learned to complete
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subcommands and arguments to "git worktree".
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2020-02-12 20:12:08 +00:00
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* Disambiguation logic to tell revisions and pathspec apart has been
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tweaked so that backslash-escaped glob special characters do not
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count in the "wildcards are pathspec" rule.
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* One effect of specifying where the GIT_DIR is (either with the
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environment variable, or with the "git --git-dir=<where> cmd"
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option) is to disable the repository discovery. This has been
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placed a bit more stress in the documentation, as new users often
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get confused.
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2020-02-14 20:54:07 +00:00
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* Two help messages given when "git add" notices the user gave it
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nothing to add have been updated to use advise() API.
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* A new version of fsmonitor-watchman hook has been introduced, to
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avoid races.
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2020-02-17 21:21:41 +00:00
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* "git config" learned to show in which "scope", in addition to in
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which file, each config setting comes from.
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2020-02-25 19:17:41 +00:00
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* The basic 7 colors learned the brighter counterparts
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(e.g. "brightred").
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2020-03-05 19:15:45 +00:00
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* "git sparse-checkout" learned a new "add" subcommand.
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* A configuration element used for credential subsystem can now use
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wildcard pattern to specify for which set of URLs the entry
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applies.
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* "git clone --recurse-submodules --single-branch" now uses the same
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single-branch option when cloning the submodules.
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2020-03-09 18:20:59 +00:00
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* "git rm" and "git stash" learns the new "--pathspec-from-file"
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option.
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2020-03-18 21:18:26 +00:00
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* "git am --show-current-patch" is a way to show the piece of e-mail
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2020-03-09 18:20:59 +00:00
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for the stopped step, which is not suitable to directly feed "git
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apply" (it is designed to be a good "git am" input). It learned a
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new option to show only the patch part.
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* Handling of conflicting renames in merge-recursive have further
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been made consistent with how existing codepaths try to mimic what
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is done to add/add conflicts.
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2020-01-22 23:07:12 +00:00
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Performance, Internal Implementation, Development Support etc.
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2020-01-30 22:16:10 +00:00
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* Tell .editorconfig that in this project, *.txt files are indented
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with tabs.
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* The test-lint machinery knew to check "VAR=VAL shell_function"
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2020-03-18 21:18:26 +00:00
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construct, but did not check "VAR= shell_function", which has been
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2020-01-30 22:16:10 +00:00
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corrected.
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* Replace "git config --bool" calls with "git config --type=bool" in
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sample templates.
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2020-02-05 21:26:03 +00:00
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* The effort to move "git-add--interactive" to C continues.
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* Improve error message generation for "git submodule add".
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* Preparation of test scripts for the day when the object names will
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use SHA-256 continues.
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2020-02-12 20:12:08 +00:00
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* Warn programmers about pretend_object_file() that allows the code
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to tentatively use in-core objects.
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2020-02-14 20:54:07 +00:00
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* The way "git pack-objects" reuses objects stored in existing pack
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to generate its result has been improved.
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* The transport protocol version 2 becomes the default one.
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* Traditionally, we avoided threaded grep while searching in objects
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(as opposed to files in the working tree) as accesses to the object
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layer is not thread-safe. This limitation is getting lifted.
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* "git rebase -i" (and friends) used to unnecessarily check out the
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tip of the branch to be rebased, which has been corrected.
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* A low-level API function get_oid(), that accepts various ways to
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name an object, used to issue end-user facing error messages
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without l10n, which has been updated to be translatable.
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* Unneeded connectivity check is now disabled in a partial clone when
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fetching into it.
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* Some rough edges in the sparse-checkout feature, especially around
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the cone mode, have been cleaned up.
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* The diff-* plumbing family of subcommands now pay attention to the
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diff.wsErrorHighlight configuration, which has been ignored before;
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this allows "git add -p" to also show the whitespace problems to
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the end user.
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* Some codepaths were given a repository instance as a parameter to
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work in the repository, but passed the_repository instance to its
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callees, which has been cleaned up (somewhat).
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2020-02-17 21:21:41 +00:00
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* Memory footprint and performance of "git name-rev" has been
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improved.
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2020-03-02 23:07:40 +00:00
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* The object reachability bitmap machinery and the partial cloning
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machinery were not prepared to work well together, because some
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object-filtering criteria that partial clones use inherently rely
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on object traversal, but the bitmap machinery is an optimization
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to bypass that object traversal. There however are some cases
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where they can work together, and they were taught about them.
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* "git rebase" has learned to use the merge backend (i.e. the
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machinery that drives "rebase -i") by default, while allowing
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"--apply" option to use the "apply" backend (e.g. the moral
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equivalent of "format-patch piped to am"). The rebase.backend
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configuration variable can be set to customize.
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2020-03-05 19:15:45 +00:00
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* Underlying machinery of "git bisect--helper" is being refactored
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into pieces that are more easily reused.
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2020-01-22 23:07:12 +00:00
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Fixes since v2.25
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-----------------
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* "git commit" gives output similar to "git status" when there is
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nothing to commit, but without honoring the advise.statusHints
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configuration variable, which has been corrected.
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* has_object_file() said "no" given an object registered to the
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system via pretend_object_file(), making it inconsistent with
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read_object_file(), causing lazy fetch to attempt fetching an
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empty tree from promisor remotes.
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* Complete an update to tutorial that encourages "git switch" over
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"git checkout" that was done only half-way.
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* C pedantry ;-) fix.
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* The code that tries to skip over the entries for the paths in a
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single directory using the cache-tree was not careful enough
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against corrupt index file.
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* Reduce unnecessary round-trip when running "ls-remote" over the
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stateless RPC mechanism.
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* "git restore --staged" did not correctly update the cache-tree
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structure, resulting in bogus trees to be written afterwards, which
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has been corrected.
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2020-01-30 22:16:10 +00:00
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* The code recently added to move to the entry beyond the ones in the
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same directory in the index in the sparse-cone mode did not count
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the number of entries to skip over incorrectly, which has been
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corrected.
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* Rendering by "git log --graph" of ancestry lines leading to a merge
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commit were made suboptimal to waste vertical space a bit with a
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recent update, which has been corrected.
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* Work around test breakages caused by custom regex engine used in
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libasan, when address sanitizer is used with more recent versions
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of gcc and clang.
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* Minor bugfixes to "git add -i" that has recently been rewritten in C.
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* "git fetch --refmap=" option has got a better documentation.
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2020-02-05 21:26:03 +00:00
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* "git checkout X" did not correctly fail when X is not a local
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branch but could name more than one remote-tracking branches
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(i.e. to be dwimmed as the starting point to create a corresponding
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local branch), which has been corrected.
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(merge fa74180d08 am/checkout-file-and-ref-ref-ambiguity later to maint).
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* Corner case bugs in "git clean" that stems from a (necessarily for
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performance reasons) awkward calling convention in the directory
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enumeration API has been corrected.
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* A fetch that is told to recursively fetch updates in submodules
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inevitably produces reams of output, and it becomes hard to spot
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error messages. The command has been taught to enumerate
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submodules that had errors at the end of the operation.
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(merge 0222540827 es/fetch-show-failed-submodules-atend later to maint).
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* The "--recurse-submodules" option of various subcommands did not
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work well when run in an alternate worktree, which has been
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corrected.
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2020-02-12 20:12:08 +00:00
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* Futureproofing a test not to depend on the current implementation
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detail.
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* Running "git rm" on a submodule failed unnecessarily when
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.gitmodules is only cache-dirty, which has been corrected.
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* C pedantry ;-) fix.
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* "git grep --no-index" should not get affected by the contents of
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the .gitmodules file but when "--recurse-submodules" is given or
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the "submodule.recurse" variable is set, it did. Now these
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settings are ignored in the "--no-index" mode.
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* Technical details of the bundle format has been documented.
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* Unhelpful warning messages during documentation build have been squelched.
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2020-02-14 20:54:07 +00:00
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* "git rebase -i" identifies existing commits in its todo file with
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2020-03-18 21:18:26 +00:00
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their abbreviated object name, which could become ambiguous as it
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2020-02-14 20:54:07 +00:00
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goes to create new commits, and has a mechanism to avoid ambiguity
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in the main part of its execution. A few other cases however were
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not covered by the protection against ambiguity, which has been
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corrected.
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* Allow the rebase.missingCommitsCheck configuration to kick in when
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"rebase --edit-todo" and "rebase --continue" restarts the procedure.
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(merge 5a5445d878 ag/edit-todo-drop-check later to maint).
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* The way "git submodule status" reports an initialized but not yet
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populated submodule has not been reimplemented correctly when a
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part of the "git submodule" command was rewritten in C, which has
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been corrected.
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(merge f38c92452d pk/status-of-uncloned-submodule later to maint).
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* The code to automatically shrink the fan-out in the notes tree had
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an off-by-one bug, which has been killed.
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* The index-pack code now diagnoses a bad input packstream that
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records the same object twice when it is used as delta base; the
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code used to declare a software bug when encountering such an
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input, but it is an input error.
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2020-03-17 22:16:14 +00:00
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2020-02-14 20:54:07 +00:00
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* The code to compute the commit-graph has been taught to use a more
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robust way to tell if two object directories refer to the same
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thing.
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(merge a7df60cac8 tb/commit-graph-object-dir later to maint).
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2020-02-25 19:17:41 +00:00
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* "git remote rename X Y" needs to adjust configuration variables
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(e.g. branch.<name>.remote) whose value used to be X to Y.
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branch.<name>.pushRemote is now also updated.
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2020-03-02 23:07:40 +00:00
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* Update to doc-diff.
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* Doc markup fix.
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* "git check-ignore" did not work when the given path is explicitly
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marked as not ignored with a negative entry in the .gitignore file.
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* The merge-recursive machinery failed to refresh the cache entry for
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a merge result in a couple of places, resulting in an unnecessary
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merge failure, which has been fixed.
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* Fix for a bug revealed by a recent change to make the protocol v2
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the default.
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2020-03-05 19:15:45 +00:00
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* In rare cases "git worktree add <path>" could think that <path>
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was already a registered worktree even when it wasn't and refuse
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to add the new worktree. This has been corrected.
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(merge bb69b3b009 es/worktree-avoid-duplication-fix later to maint).
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* "git push" should stop from updating a branch that is checked out
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when receive.denyCurrentBranch configuration is set, but it failed
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to pay attention to checkouts in secondary worktrees. This has
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been corrected.
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(merge 4d864895a2 hv/receive-denycurrent-everywhere later to maint).
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* "git rebase BASE BRANCH" rebased/updated the tip of BRANCH and
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checked it out, even when the BRANCH is checked out in a different
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worktree. This has been corrected.
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(merge b5cabb4a96 es/do-not-let-rebase-switch-to-protected-branch later to maint).
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* "git describe" in a repository with multiple root commits sometimes
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gave up looking for the best tag to describe a given commit with
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too early, which has been adjusted.
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* "git merge signed-tag" while lacking the public key started to say
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"No signature", which was utterly wrong. This regression has been
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reverted.
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2020-03-09 18:20:59 +00:00
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* MinGW's poll() emulation has been improved.
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* "git show" and others gave an object name in raw format in its
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error output, which has been corrected to give it in hex.
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* "git fetch" over HTTP walker protocol did not show any progress
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output. We inherently do not know how much work remains, but still
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we can show something not to bore users.
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(merge 7655b4119d rs/show-progress-in-dumb-http-fetch later to maint).
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2020-03-12 21:36:00 +00:00
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* Both "git ls-remote -h" and "git grep -h" give short usage help,
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like any other Git subcommand, but it is not unreasonable to expect
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that the former would behave the same as "git ls-remote --head"
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(there is no other sensible behaviour for the latter). The
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documentation has been updated in an attempt to clarify this.
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2020-01-22 23:07:12 +00:00
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* Other code cleanup, docfix, build fix, etc.
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2020-01-30 22:16:10 +00:00
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(merge d0d0a357a1 am/update-pathspec-f-f-tests later to maint).
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(merge f94f7bd00d am/test-pathspec-f-f-error-cases later to maint).
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(merge c513a958b6 ss/t6025-modernize later to maint).
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2020-02-05 21:26:03 +00:00
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(merge b441717256 dl/test-must-fail-fixes later to maint).
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(merge d031049da3 mt/sparse-checkout-doc-update later to maint).
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2020-02-12 20:12:08 +00:00
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(merge 145136a95a jc/skip-prefix later to maint).
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2020-02-14 20:54:07 +00:00
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(merge 5290d45134 jk/alloc-cleanups later to maint).
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2020-02-17 21:21:41 +00:00
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(merge 7a9f8ca805 rs/parse-options-concat-dup later to maint).
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(merge 517b60564e rs/strbuf-insertstr later to maint).
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(merge f696a2b1c8 jk/mailinfo-cleanup later to maint).
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(merge de26f02db1 js/test-avoid-pipe later to maint).
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2020-02-25 19:17:41 +00:00
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(merge a2dc43414c es/doc-mentoring later to maint).
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2020-03-02 23:07:40 +00:00
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(merge 02bbbe9df9 es/worktree-cleanup later to maint).
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(merge 2ce6d075fa rs/micro-cleanups later to maint).
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(merge 27f182b3fc rs/blame-typefix-for-fingerprint later to maint).
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(merge 3c29e21eb0 ma/test-cleanup later to maint).
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2020-03-05 19:15:45 +00:00
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(merge 240fc04f81 ag/rebase-remove-redundant-code later to maint).
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(merge d68ce906c7 rs/commit-graph-code-simplification later to maint).
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2020-03-09 18:20:59 +00:00
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(merge a51d9e8f07 rj/t1050-use-test-path-is-file later to maint).
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(merge fd0bc17557 kk/complete-diff-color-moved later to maint).
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(merge 65bf820d0e en/test-cleanup later to maint).
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