277 lines
12 KiB
Plaintext
277 lines
12 KiB
Plaintext
Git 2.15 Release Notes
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======================
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Backward compatibility notes and other notable changes.
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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 now scheduled to happen in the upcoming
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release.
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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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* "branch --set-upstream" that has been deprecated in Git 1.8 has
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finally been retired.
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Updates since v2.14
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-------------------
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UI, Workflows & Features
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* An example that is now obsolete has been removed from a sample hook,
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and an old example in it that added a sign-off manually has been
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improved to use the interpret-trailers command.
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* The advice message given when "git rebase" stops for conflicting
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changes has been improved.
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* The "rerere-train" script (in contrib/) learned the "--overwrite"
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option to allow overwriting existing recorded resolutions.
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* "git contacts" (in contrib/) now lists the address on the
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"Reported-by:" trailer to its output, in addition to those on
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S-o-b: and other trailers, to make it easier to notify (and thank)
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the original bug reporter.
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* "git rebase", especially when it is run by mistake and ends up
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trying to replay many changes, spent long time in silence. The
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command has been taught to show progress report when it spends
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long time preparing these many changes to replay (which would give
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the user a chance to abort with ^C).
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* "git merge" learned a "--signoff" option to add the Signed-off-by:
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trailer with the committer's name.
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* "git diff" learned to optionally paint new lines that are the same
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as deleted lines elsewhere differently from genuinely new lines.
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* "git interpret-trailers" learned to take the trailer specifications
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from the command line that overrides the configured values.
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* "git interpret-trailers" has been taught a "--parse" and a few
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other options to make it easier for scripts to grab existing
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trailer lines from a commit log message.
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* "gitweb" shows a link to visit the 'raw' contents of blbos in the
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history overview page.
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* "[gc] rerereResolved = 5.days" used to be invalid, as the variable
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is defined to take an integer counting the number of days. It now
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is allowed.
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* The code to acquire a lock on a reference (e.g. while accepting a
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push from a client) used to immediately fail when the reference is
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already locked---now it waits for a very short while and retries,
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which can make it succeed if the lock holder was holding it during
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a read-only operation.
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* "branch --set-upstream" that has been deprecated in Git 1.8 has
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finally been retired.
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Performance, Internal Implementation, Development Support etc.
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* Conversion from uchar[20] to struct object_id continues.
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* Start using selected c99 constructs in small, stable and
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essentialpart of the system to catch people who care about
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older compilers that do not grok them.
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* The filter-process interface learned to allow a process with long
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latency give a "delayed" response.
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* Many uses of comparision callback function the hashmap API uses
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cast the callback function type when registering it to
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hashmap_init(), which defeats the compile time type checking when
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the callback interface changes (e.g. gaining more parameters).
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The callback implementations have been updated to take "void *"
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pointers and cast them to the type they expect instead.
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* Because recent Git for Windows do come with a real msgfmt, the
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build procedure for git-gui has been updated to use it instead of a
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hand-rolled substitute.
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* "git grep --recurse-submodules" has been reworked to give a more
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consistent output across submodule boundary (and do its thing
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without having to fork a separate process).
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* A helper function to read a single whole line into strbuf
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mistakenly triggered OOM error at EOF under certain conditions,
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which has been fixed.
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(merge 642956cf45 rs/strbuf-getwholeline-fix later to maint).
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* The "ref-store" code reorganization continues.
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* "git commit" used to discard the index and re-read from the filesystem
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just in case the pre-commit hook has updated it in the middle; this
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has been optimized out when we know we do not run the pre-commit hook.
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(merge 680ee550d7 kw/commit-keep-index-when-pre-commit-is-not-run later to maint).
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* Updates to the HTTP layer we made recently unconditionally used
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features of libCurl without checking the existence of them, causing
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compilation errors, which has been fixed. Also migrate the code to
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check feature macros, not version numbers, to cope better with
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libCurl that vendor ships with backported features.
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* The API to start showing progress meter after a short delay has
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been simplified.
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(merge 8aade107dd jc/simplify-progress later to maint).
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* Code clean-up to avoid mixing values read from the .gitmodules file
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and values read from the .git/config file.
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* We used to spend more than necessary cycles allocating and freeing
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piece of memory while writing each index entry out. This has been
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optimized.
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Also contains various documentation updates and code clean-ups.
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Fixes since v2.14
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-----------------
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* "%C(color name)" in the pretty print format always produced ANSI
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color escape codes, which was an early design mistake. They now
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honor the configuration (e.g. "color.ui = never") and also tty-ness
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of the output medium.
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* The http.{sslkey,sslCert} configuration variables are to be
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interpreted as a pathname that honors "~[username]/" prefix, but
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weren't, which has been fixed.
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* Numerous bugs in walking of reflogs via "log -g" and friends have
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been fixed.
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* "git commit" when seeing an totally empty message said "you did not
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edit the message", which is clearly wrong. The message has been
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corrected.
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* When a directory is not readable, "gitweb" fails to build the
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project list. Work this around by skipping such a directory.
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* Some versions of GnuPG fails to kill gpg-agent it auto-spawned
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and such a left-over agent can interfere with a test. Work it
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around by attempting to kill one before starting a new test.
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(merge 29ff1f8f74 st/lib-gpg-kill-stray-agent later to maint).
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* A recently added test for the "credential-cache" helper revealed
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that EOF detection done around the time the connection to the cache
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daemon is torn down were flaky. This was fixed by reacting to
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ECONNRESET and behaving as if we got an EOF.
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* "git log --tag=no-such-tag" showed log starting from HEAD, which
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has been fixed---it now shows nothing.
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(merge 5d34d1ac06 jk/rev-list-empty-input later to maint).
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* The "tag.pager" configuration variable was useless for those who
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actually create tag objects, as it interfered with the use of an
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editor. A new mechanism has been introduced for commands to enable
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pager depending on what operation is being carried out to fix this,
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and then "git tag -l" is made to run pager by default.
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(merge 595d59e2b5 ma/pager-per-subcommand-action later to maint).
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* "git push --recurse-submodules $there HEAD:$target" was not
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propagated down to the submodules, but now it is.
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(merge c7be7201a7 bw/push-options-recursively-to-submodules later to maint).
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* Commands like "git rebase" accepted the --rerere-autoupdate option
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from the command line, but did not always use it. This has been
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fixed.
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(merge f826fb799e pw/sequence-rerere-autoupdate later to maint).
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* "git clone --recurse-submodules --quiet" did not pass the quiet
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option down to submodules.
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(merge 03c004c581 bw/clone-recursive-quiet later to maint).
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* Test portability fix for OBSD.
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(merge bed67874e2 rs/obsd-getcwd-workaround later to maint).
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(merge 4c7fda8fc1 rs/t4062-obsd later to maint).
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* Portability fix for OBSD.
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(merge 29c2eda80b rs/in-obsd-basename-dirname-take-const later to maint).
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* "git am -s" has been taught that some input may end with a trailer
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block that is not Signed-off-by: and it should refrain from adding
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an extra blank line before adding a new sign-off in such a case.
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(merge 735285b403 pw/am-signoff later to maint).
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* "git svn" used with "--localtime" option did not compute the tz
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offset for the timestamp in question and instead always used the
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current time, which has been corrected.
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(merge 1adc4b9a58 ur/svn-local-zone later to maint).
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* Memory leak in an error codepath has been plugged.
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(merge 83cd6f9017 rs/fsck-obj-leakfix later to maint).
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(merge 896dca3ab7 rs/unpack-entry-leakfix later to maint).
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(merge 149d8cbb2e rs/win32-syslog-leakfix later to maint).
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* "git stash -u" used the contents of the committed version of the
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".gitignore" file to decide which paths are ignored, even when the
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file has local changes. The command has been taught to instead use
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the locally modified contents.
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* bash 4.4 or newer gave a warning on NUL byte in command
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substitution done in "git stash"; this has been squelched.
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(merge 5fc92f8828 kd/stash-with-bash-4.4 later to maint).
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* "git grep -L" and "git grep --quiet -L" reported different exit
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codes; this has been corrected.
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(merge e1f68c66d5 as/grep-quiet-no-match-exit-code-fix later to maint).
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* When handshake with a subprocess filter notices that the process
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asked for an unknown capability, Git did not report what program
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the offending subprocess was running. This has been corrected.
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(merge d3ba566342 cc/subprocess-handshake-missing-capabilities later to maint).
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* "git apply" that is used as a better "patch -p1" failed to apply a
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taken from a file with CRLF line endings to a file with CRLF line
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endings. The root cause was because it misused convert_to_git()
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that tried to do "safe-crlf" processing by looking at the index
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entry at the same path, which is a nonsense---in that mode, "apply"
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is not working on the data in (or derived from) the index at all.
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This has been fixed.
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(merge c24f3abace tb/apply-with-crlf later to maint).
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* Killing "git merge --edit" before the editor returns control left
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the repository in a state with MERGE_MSG but without MERGE_HEAD,
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which incorrectly tells the subsequent "git commit" that there was
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a squash merge in progress. This has been fixed.
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(merge 9d89b35526 mg/killed-merge later to maint).
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* "git archive" did not work well with pathspecs and the
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export-ignore attribute.
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(merge 5ff247ac0c rs/archive-excluded-directory later to maint).
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* Other minor doc, test and build updates and code cleanups.
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(merge dff2813391 ab/ref-filter-no-contains later to maint).
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(merge f094b89a4d ma/parse-maybe-bool later to maint).
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(merge 974ce8078c mf/no-dashed-subcommands later to maint).
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(merge f81935cc4d jc/perl-git-comment-typofix later to maint).
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(merge 57ea241ef0 rs/t3700-clean-leftover later to maint).
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(merge 39b00fa4d4 jk/drop-sha1-entry-pos later to maint).
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(merge 0b006014c8 jk/hashcmp-memcmp later to maint).
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(merge 1e22a9917b rj/add-chmod-error-message later to maint).
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(merge 881529c846 rs/apply-lose-prefix-length later to maint).
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(merge 6355a76802 rs/find-pack-entry-bisection later to maint).
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(merge de3ce210ed rs/merge-microcleanup later to maint).
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(merge 7f0a02be2f ah/doc-empty-string-is-false later to maint).
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(merge 70ec6bd63b rs/t1002-do-not-use-sum later to maint).
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(merge 2456990dfd sb/sha1-file-cleanup later to maint).
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(merge 2aac933c62 hv/t5526-andand-chain-fix later to maint).
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(merge c8d0c4fe9b sb/submodule-parallel-update later to maint).
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(merge 794b7e1674 mg/format-ref-doc-fix later to maint).
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(merge 24da8a26a9 rs/commit-h-single-parent-cleanup later to maint).
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(merge 4e36907fa3 jk/doc-the-this later to maint).
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(merge 15d1d0951e bc/vcs-svn-cleanup later to maint).
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(merge b8f43b120b jn/vcs-svn-cleanup later to maint).
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(merge 4a4becfb23 jt/doc-pack-objects-fix later to maint).
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