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Git v2.8.4 Release Notes
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========================
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Fixes since v2.8.3
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------------------
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* Documentation for "git merge --verify-signatures" has been updated
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to clarify that the signature of only the commit at the tip is
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verified. Also the phrasing used for signature and key validity is
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adjusted to align with that used by OpenPGP.
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* On Windows, .git and optionally any files whose name starts with a
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dot are now marked as hidden, with a core.hideDotFiles knob to
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customize this behaviour.
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* Portability enhancement for "rebase -i" to help platforms whose
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shell does not like "for i in <empty>" (which is not POSIX-kosher).
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* "git fsck" learned to catch NUL byte in a commit object as
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potential error and warn.
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* CI test was taught to build documentation pages.
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* Many 'linkgit:<git documentation page>' references were broken,
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which are all fixed with this.
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* "git describe --contains" often made a hard-to-justify choice of
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tag to give name to a given commit, because it tried to come up
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with a name with smallest number of hops from a tag, causing an old
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commit whose close descendant that is recently tagged were not
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described with respect to an old tag but with a newer tag. It did
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not help that its computation of "hop" count was further tweaked to
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penalize being on a side branch of a merge. The logic has been
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updated to favor using the tag with the oldest tagger date, which
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is a lot easier to explain to the end users: "We describe a commit
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in terms of the (chronologically) oldest tag that contains the
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commit."
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* Running tests with '-x' option to trace the individual command
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executions is a useful way to debug test scripts, but some tests
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that capture the standard error stream and check what the command
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said can be broken with the trace output mixed in. When running
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our tests under "bash", however, we can redirect the trace output
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to another file descriptor to keep the standard error of programs
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being tested intact.
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* "http.cookieFile" configuration variable clearly wants a pathname,
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but we forgot to treat it as such by e.g. applying tilde expansion.
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* When de-initialising all submodules, "git submodule deinit" gave a
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faulty recommendation to use "git submodule deinit .", which would
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result in a strange error message in a pathological corner case.
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This has been corrected to suggest "submodule deinit --all" instead.
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* Many commands normalize command line arguments from NFD to NFC
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variant of UTF-8 on OSX, but commands in the "diff" family did
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not, causing "git diff $path" to complain that no such path is
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known to Git. They have been taught to do the normalization.
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* A couple of bugs around core.autocrlf have been fixed.
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* "git difftool" learned to handle unmerged paths correctly in
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dir-diff mode.
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* The "are we talking with TTY, doing an interactive session?"
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detection has been updated to work better for "Git for Windows".
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Also contains other minor documentation updates and code clean-ups.
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