Sync with maint

Author: gitster

Documentation/RelNotes/2.13.1.txt

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+Git v2.13.1 Release Notes
+=========================
+
+Fixes since v2.13
+-----------------
+
+ * The Web interface to gmane news archive is long gone, even though
+   the articles are still accessible via NTTP.  Replace the links with
+   ones to public-inbox.org.  Because their message identification is
+   based on the actual message-id, it is likely that it will be easier
+   to migrate away from it if/when necessary.
+
+ * Update tests to pass under GETTEXT_POISON (a mechanism to ensure
+   that output strings that should not be translated are not
+   translated by mistake), and tell TravisCI to run them.
+
+ * Setting "log.decorate=false" in the configuration file did not take
+   effect in v2.13, which has been corrected.
+
+ * An earlier update to test 7400 needed to be skipped on CYGWIN.
+
+ * Git sometimes gives an advice in a rhetorical question that does
+   not require an answer, which can confuse new users and non native
+   speakers.  Attempt to rephrase them.
+
+ * "git read-tree -m" (no tree-ish) gave a nonsense suggestion "use
+   --empty if you want to clear the index".  With "-m", such a request
+   will still fail anyway, as you'd need to name at least one tree-ish
+   to be merged.
+
+ * The codepath in "git am" that is used when running "git rebase"
+   leaked memory held for the log message of the commits being rebased.
+
+ * "pack-objects" can stream a slice of an existing packfile out when
+   the pack bitmap can tell that the reachable objects are all needed
+   in the output, without inspecting individual objects.  This
+   strategy however would not work well when "--local" and other
+   options are in use, and need to be disabled.
+
+ * Clarify documentation for include.path and includeIf.<condition>.path
+   configuration variables.
+
+ * Tag objects, which are not reachable from any ref, that point at
+   missing objects were mishandled by "git gc" and friends (they
+   should silently be ignored instead)
+
+ * A few http:// links that are redirected to https:// in the
+   documentation have been updated to https:// links.
+
+ * Make sure our tests would pass when the sources are checked out
+   with "platform native" line ending convention by default on
+   Windows.  Some "text" files out tests use and the test scripts
+   themselves that are meant to be run with /bin/sh, ought to be
+   checked out with eol=LF even on Windows.
+
+ * Fix memory leaks pointed out by Coverity (and people).
+
+ * The receive-pack program now makes sure that the push certificate
+   records the same set of push options used for pushing.
+
+ * "git cherry-pick" and other uses of the sequencer machinery
+   mishandled a trailer block whose last line is an incomplete line.
+   This has been fixed so that an additional sign-off etc. are added
+   after completing the existing incomplete line.
+
+ * The shell completion script (in contrib/) learned "git stash" has
+   a new "push" subcommand.
+
+Also contains various documentation updates and code clean-ups.