Log message:
Update git to 2.9.2.

Fixes since v2.9.1
------------------

 * A fix merged to v2.9.1 had a few tests that are not meant to be
   run on platforms without 64-bit long, which caused unnecessary
   test failures on them because we didn't detect the platform and
   skip them.  These tests are now skipped on platforms that they
   are not applicable to.

Fixes since v2.9
----------------

 * When "git daemon" is run without --[init-]timeout specified, a
   connection from a client that silently goes offline can hang around
   for a long time, wasting resources.  The socket-level KEEPALIVE has
   been enabled to allow the OS to notice such failed connections.

 * The commands in `git log` family take %C(auto) in a custom format
   string.  This unconditionally turned the color on, ignoring
   --no-color or with --color=auto when the output is not connected to
   a tty; this was corrected to make the format truly behave as
   "auto".

 * "git rev-list --count" whose walk-length is limited with "-n"
   option did not work well with the counting optimized to look at the
   bitmap index.

 * "git show -W" (extend hunks to cover the entire function, delimited
   by lines that match the "funcname" pattern) used to show the entire
   file when a change added an entire function at the end of the file,
   which has been fixed.

 * The documentation set has been updated so that literal commands,
   configuration variables and environment variables are consistently
   typeset in fixed-width font and bold in manpages.

 * "git svn propset" subcommand that was added in 2.3 days is
   documented now.

 * The documentation tries to consistently spell "GPG"; when
   referring to the specific program name, "gpg" is used.

 * "git reflog" stopped upon seeing an entry that denotes a branch
   creation event (aka "unborn"), which made it appear as if the
   reflog was truncated.

 * The git-prompt scriptlet (in contrib/) was not friendly with those
   who uses "set -u", which has been fixed.

 * A codepath that used alloca(3) to place an unbounded amount of data
   on the stack has been updated to avoid doing so.

 * "git update-index --add --chmod=+x file" may be usable as an escape
   hatch, but not a friendly thing to force for people who do need to
   use it regularly.  "git add --chmod=+x file" can be used instead.

 * Build improvements for gnome-keyring (in contrib/)

 * "git status" used to say "working directory" when it \ 
meant "working
   tree".

 * Comments about misbehaving FreeBSD shells have been clarified with
   the version number (9.x and before are broken, newer ones are OK).

 * "git cherry-pick A" worked on an unborn branch, but "git
   cherry-pick A..B" didn't.

 * "git add -i/-p" learned to honor diff.compactionHeuristic
   experimental knob, so that the user can work on the same hunk split
   as "git diff" output.

 * "log --graph --format=" learned that "%>|(N)" \ 
specifies the width
   relative to the terminal's left edge, not relative to the area to
   draw text that is to the right of the ancestry-graph section.  It
   also now accepts negative N that means the column limit is relative
   to the right border.

 * The ownership rule for the piece of memory that hold references to
   be fetched in "git fetch" was screwy, which has been cleaned up.

 * "git bisect" makes an internal call to "git diff-tree" when
   bisection finds the culprit, but this call did not initialize the
   data structure to pass to the diff-tree API correctly.

 * Formats of the various data (and how to validate them) where we use
   GPG signature have been documented.

 * Fix an unintended regression in v2.9 that breaks "clone --depth"
   that recurses down to submodules by forcing the submodules to also
   be cloned shallowly, which many server instances that host upstream
   of the submodules are not prepared for.

 * Fix unnecessarily waste in the idiomatic use of ': ${VAR=default}'
   to set the default value, without enclosing it in double quotes.

 * Some platform-specific code had non-ANSI strict declarations of C
   functions that do not take any parameters, which has been
   corrected.

 * The internal code used to show local timezone offset is not
   prepared to handle timestamps beyond year 2100, and gave a
   bogus offset value to the caller.  Use a more benign looking
   +0000 instead and let "git log" going in such a case, instead
   of aborting.

 * One among four invocations of readlink(1) in our test suite has
   been rewritten so that the test can run on systems without the
   command (others are in valgrind test framework and t9802).

 * t/perf needs /usr/bin/time with GNU extension; the invocation of it
   is updated to "gtime" on Darwin.

 * A bug, which caused "git p4" while running under verbose mode to
   report paths that are omitted due to branch prefix incorrectly, has
   been fixed; the command said "Ignoring file outside of prefix" for
   paths that are _inside_.

 * The top level documentation "git help git" still pointed at the
   documentation set hosted at now-defunct google-code repository.
   Update it to point to https://git.github.io/htmldocs/git.html
   instead.

Also contains minor documentation updates and code clean-ups.

Log message:
Git 2.9 Release Notes
=====================

Backward compatibility notes
----------------------------

The end-user facing Porcelain level commands in the "git diff" and
"git log" family by default enable the rename detection; you can still
use "diff.renames" configuration variable to disable this.

Merging two branches that have no common ancestor with "git merge" is
by default forbidden now to prevent creating such an unusual merge by
mistake.

The output formats of "git log" that indents the commit log message by
4 spaces now expands HT in the log message by default.  You can use
the "--no-expand-tabs" option to disable this.

"git commit-tree" plumbing command required the user to always sign
its result when the user sets the commit.gpgsign configuration
variable, which was an ancient mistake, which this release corrects.
A script that drives commit-tree, if it relies on this mistake, now
needs to read commit.gpgsign and pass the -S option as necessary.

Updates since v2.8
------------------

UI, Workflows & Features

 * Comes with git-multimail 1.3.1 (in contrib/).

 * The end-user facing commands like "git diff" and "git log"
   now enable the rename detection by default.

 * The credential.helper configuration variable is cumulative and
   there is no good way to override it from the command line.  As
   a special case, giving an empty string as its value now serves
   as the signal to clear the values specified in various files.

 * A new "interactive.diffFilter" configuration can be used to
   customize the diff shown in "git add -i" sessions.

 * "git p4" now allows P4 author names to be mapped to Git author
   names.

 * "git rebase -x" can be used without passing "-i" option.

 * "git -c credential.<var>=<value> submodule" can now be \ 
used to
   propagate configuration variables related to credential helper
   down to the submodules.

 * "git tag" can create an annotated tag without explicitly given an
   "-a" (or "-s") option (i.e. when a tag message is given). \ 
 A new
   configuration variable, tag.forceSignAnnotated, can be used to tell
   the command to create signed tag in such a situation.

 * "git merge" used to allow merging two branches that have no common
   base by default, which led to a brand new history of an existing
   project created and then get pulled by an unsuspecting maintainer,
   which allowed an unnecessary parallel history merged into the
   existing project.  The command has been taught not to allow this by
   default, with an escape hatch "--allow-unrelated-histories" option
   to be used in a rare event that merges histories of two projects
   that started their lives independently.

 * "git pull" has been taught to pass the \ 
"--allow-unrelated-histories"
   option to underlying "git merge".

 * "git apply -v" learned to report paths in the patch that were
   skipped via --include/--exclude mechanism or being outside the
   current working directory.

 * Shell completion (in contrib/) updates.

 * The commit object name reported when "rebase -i" stops has been
   shortened.

 * "git worktree add" can be given "--no-checkout" option to only
   create an empty worktree without checking out the files.

 * "git mergetools" learned to drive ExamDiff.

 * "git pull --rebase" learned "--[no-]autostash" option, so that
   the rebase.autostash configuration variable set to true can be
   overridden from the command line.

 * When "git log" shows the log message indented by 4-spaces, the
   remainder of a line after a HT does not align in the way the author
   originally intended.  The command now expands tabs by default to help
   such a case, and allows the users to override it with a new option,
   "--no-expand-tabs".

 * "git send-email" now uses a more readable timestamps when
   formulating a message ID.

 * "git rerere" can encounter two or more files with the same conflict
   signature that have to be resolved in different ways, but there was
   no way to record these separate resolutions.

 * "git p4" learned to record P4 jobs in Git commit that imports from
   the history in Perforce.

 * "git describe --contains" often made a hard-to-justify choice of
   tag to name a given commit, because it tried to come up
   with a name with smallest number of hops from a tag, causing an old
   commit whose close descendant that is recently tagged were not
   described with respect to an old tag but with a newer tag.  It did
   not help that its computation of "hop" count was further tweaked to
   penalize being on a side branch of a merge.  The logic has been
   updated to favor using the tag with the oldest tagger date, which
   is a lot easier to explain to the end users: "We describe a commit
   in terms of the (chronologically) oldest tag that contains the
   commit."

 * "git clone" learned the "--shallow-submodules" option.

 * HTTP transport clients learned to throw extra HTTP headers at the
   server, specified via http.extraHeader configuration variable.

 * The "--compaction-heuristic" option to "git diff" family of
   commands enables a heuristic to make the patch output more readable
   by using a blank line as a strong hint that the contents before and
   after it belong to logically separate units.  It is still
   experimental.

 * A new configuration variable core.hooksPath allows customizing
   where the hook directory is.

 * An earlier addition of "sanitize_submodule_env" with 14111fc4 (git:
   submodule honor -c credential.* from command line, 2016-02-29)
   turned out to be a convoluted no-op; implement what it wanted to do
   correctly, and stop filtering settings given via "git -c var=val".

 * "git commit --dry-run" reported "No, no, you cannot \ 
commit." in one
   case where "git commit" would have allowed you to commit, and this
   improves it a little bit ("git commit --dry-run --short" still does
   not give you the correct answer, for example).  This is a stop-gap
   measure in that "commit --short --dry-run" still gives an incorrect
   result.

 * The experimental "multiple worktree" feature gains more safety to
   forbid operations on a branch that is checked out or being actively
   worked on elsewhere, by noticing that e.g. it is being rebased.

 * "git format-patch" learned a new "--base" option to \ 
record what
   (public, well-known) commit the original series was built on in
   its output.

 * "git commit" learned to pay attention to the "commit.verbose"
   configuration variable and act as if the "--verbose" option
   was given from the command line.

 * Updated documentation gives hints to GMail users with two-factor
   auth enabled that they need app-specific-password when using
   "git send-email".

 * The manpage output of our documentation did not render well in
   terminal; typeset literals in bold by default to make them stand
   out more.

 * The mark-up in the top-level README.md file has been updated to
   typeset CLI command names differently from the body text.

Performance, Internal Implementation, Development Support etc.

 * The embedded args argv-array in the child process is used to build
   the command line to run pack-objects instead of using a separate
   array of strings.

 * A test for tags has been restructured so that more parts of it can
   easily be run on a platform without a working GnuPG.

 * The startup_info data, which records if we are working inside a
   repository (among other things), are now uniformly available to Git
   subcommand implementations, and Git avoids attempting to touch
   references when we are not in a repository.

 * The command line argument parser for "receive-pack" has been
   rewritten to use parse-options.

 * A major part of "git submodule update" has been ported to C to take
   advantage of the recently added framework to run download tasks in
   parallel.  Other updates to "git submodule" that move pieces of
   logic to C continues.

 * Rename bunch of tests on "git clone" for better organization.

 * The tests that involve running httpd leaked the system-wide
   configuration in /etc/gitconfig to the tested environment.

 * Build updates for MSVC.

 * The repository set-up sequence has been streamlined (the biggest
   change is that there is no longer git_config_early()), so that we
   do not attempt to look into refs/* when we know we do not have a
   Git repository.

 * Code restructuring around the "refs" API to prepare for pluggable
   refs backends.

 * Sources to many test helper binaries and the generated helpers
   have been moved to t/helper/ subdirectory to reduce clutter at the
   top level of the tree.

 * Unify internal logic between "git tag -v" and "git verify-tag"
   commands by making one directly call into the other.

 * "merge-recursive" strategy incorrectly checked if a path that is
   involved in its internal merge exists in the working tree.

 * The test scripts for "git p4" (but not "git p4" implementation
   itself) has been updated so that they would work even on a system
   where the installed version of Python is python 3.

 * As nobody maintains our in-tree git.spec.in and distros use their
   own spec file, we stopped pretending that we support "make rpm".

 * Move from "unsigned char[20]" to "struct object_id" continues.

 * The code for warning_errno/die_errno has been refactored and a new
   error_errno() reporting helper is introduced.
   (merge 1da045f nd/error-errno later to maint).

 * Running tests with '-x' option to trace the individual command
   executions is a useful way to debug test scripts, but some tests
   that capture the standard error stream and check what the command
   said can be broken with the trace output mixed in.  When running
   our tests under "bash", however, we can redirect the trace output
   to another file descriptor to keep the standard error of programs
   being tested intact.

 * t0040 had too many unnecessary repetitions in its test data.  Teach
   test-parse-options program so that a caller can tell what it
   expects in its output, so that these repetitions can be cleaned up.

 * Add perf test for "rebase -i".

 * Common mistakes when writing gitlink: in our documentation are
   found by "make check-docs".

 * t9xxx series has been updated primarily for readability, while
   fixing small bugs in it.  A few scripted Porcelain commands have
   also been updated to fix possible bugs around their use of
   "test -z" and "test -n".

 * CI test was taught to run git-svn tests.

 * "git cat-file --batch-all" has been sped up, by taking advantage
   of the fact that it does not have to read a list of objects, in two
   ways.

 * test updates to make it more readable and maintainable.
   (merge e6273f4 es/t1500-modernize later to maint).

 * "make DEVELOPER=1" worked as expected; setting DEVELOPER=1 in
   config.mak didn't.
   (merge 51dd3e8 mm/makefile-developer-can-be-in-config-mak later to maint).

 * The way how "submodule--helper list" signals unmatch error to its
   callers has been updated.

 * A bash-ism "local" has been removed from "git submodule" \ 
scripted
   Porcelain.

Also contains various documentation updates and code clean-ups.

Log message:
Update git to 2.8.4:

Git v2.8.4 Release Notes
========================

Fixes since v2.8.3
------------------

 * Documentation for "git merge --verify-signatures" has been updated
   to clarify that the signature of only the commit at the tip is
   verified.  Also the phrasing used for signature and key validity is
   adjusted to align with that used by OpenPGP.

 * On Windows, .git and optionally any files whose name starts with a
   dot are now marked as hidden, with a core.hideDotFiles knob to
   customize this behaviour.

 * Portability enhancement for "rebase -i" to help platforms whose
   shell does not like "for i in <empty>" (which is not \ 
POSIX-kosher).

 * "git fsck" learned to catch NUL byte in a commit object as
   potential error and warn.

 * CI test was taught to build documentation pages.

 * Many 'linkgit:<git documentation page>' references were broken,
   which are all fixed with this.

 * "git describe --contains" often made a hard-to-justify choice of
   tag to give name to a given commit, because it tried to come up
   with a name with smallest number of hops from a tag, causing an old
   commit whose close descendant that is recently tagged were not
   described with respect to an old tag but with a newer tag.  It did
   not help that its computation of "hop" count was further tweaked to
   penalize being on a side branch of a merge.  The logic has been
   updated to favor using the tag with the oldest tagger date, which
   is a lot easier to explain to the end users: "We describe a commit
   in terms of the (chronologically) oldest tag that contains the
   commit."

 * Running tests with '-x' option to trace the individual command
   executions is a useful way to debug test scripts, but some tests
   that capture the standard error stream and check what the command
   said can be broken with the trace output mixed in.  When running
   our tests under "bash", however, we can redirect the trace output
   to another file descriptor to keep the standard error of programs
   being tested intact.

 * "http.cookieFile" configuration variable clearly wants a pathname,
   but we forgot to treat it as such by e.g. applying tilde expansion.

 * When de-initialising all submodules, "git submodule deinit" gave a
   faulty recommendation to use "git submodule deinit .", which would
   result in a strange error message in a pathological corner case.
   This has been corrected to suggest "submodule deinit --all" instead.

 * Many commands normalize command line arguments from NFD to NFC
   variant of UTF-8 on OSX, but commands in the "diff" family did
   not, causing "git diff $path" to complain that no such path is
   known to Git.  They have been taught to do the normalization.

 * A couple of bugs around core.autocrlf have been fixed.

 * "git difftool" learned to handle unmerged paths correctly in
   dir-diff mode.

 * The "are we talking with TTY, doing an interactive session?"
   detection has been updated to work better for "Git for Windows".

Also contains other minor documentation updates and code clean-ups.

Log message:
MAKE_JOBS_SAFE=no no longer needed with gmake-4.2nb1.

Log message:
Reflect the addition of devel/git-cvs

Log message:
Mark as not MAKE_JOBS_SAFE.

This appeared with the gmake-4.2 update.

Reported by leot.

Log message:
Updated git to 2.8.3.

Git v2.8.3 Release Notes
========================

Fixes since v2.8.2
------------------

 * "git send-email" now uses a more readable timestamps when
   formulating a message ID.

 * The repository set-up sequence has been streamlined (the biggest
   change is that there is no longer git_config_early()), so that we
   do not attempt to look into refs/* when we know we do not have a
   Git repository.

 * When "git worktree" feature is in use, "git branch -d" allowed
   deletion of a branch that is checked out in another worktree

 * When "git worktree" feature is in use, "git branch -m" \ 
renamed a
   branch that is checked out in another worktree without adjusting
   the HEAD symbolic ref for the worktree.

 * "git format-patch --help" showed `-s` and `--no-patch` as if these
   are valid options to the command.  We already hide `--patch` option
   from the documentation, because format-patch is about showing the
   diff, and the documentation now hides these options as well.

 * A change back in version 2.7 to "git branch" broke display of a
   symbolic ref in a non-standard place in the refs/ hierarchy (we
   expect symbolic refs to appear in refs/remotes/*/HEAD to point at
   the primary branch the remote has, and as .git/HEAD to point at the
   branch we locally checked out).

 * A partial rewrite of "git submodule" in the 2.7 timeframe changed
   the way the gitdir: pointer in the submodules point at the real
   repository location to use absolute paths by accident.  This has
   been corrected.

 * "git commit" misbehaved in a few minor ways when an empty message
   is given via -m '', all of which has been corrected.

 * Support for CRAM-MD5 authentication method in "git imap-send" did
   not work well.

 * The socks5:// proxy support added back in 2.6.4 days was not aware
   that socks5h:// proxies behave differently.

 * "git config" had a codepath that tried to pass a NULL to
   printf("%s"), which nobody seems to have noticed.

 * On Cygwin, object creation uses the "create a temporary and then
   rename it to the final name" pattern, not "create a temporary,
   hardlink it to the final name and then unlink the temporary"
   pattern.

   This is necessary to use Git on Windows shared directories, and is
   already enabled for the MinGW and plain Windows builds.  It also
   has been used in Cygwin packaged versions of Git for quite a while.
   See http://thread.gmane.org/gmane.comp.version-control.git/291853
   and http://thread.gmane.org/gmane.comp.version-control.git/275680.

 * "git replace -e" did not honour "core.editor" configuration.

 * Upcoming OpenSSL 1.1.0 will break compilation b updating a few APIs
   we use in imap-send, which has been adjusted for the change.

 * "git submodule" reports the paths of submodules the command
   recurses into, but this was incorrect when the command was not run
   from the root level of the superproject.

 * The test scripts for "git p4" (but not "git p4" implementation
   itself) has been updated so that they would work even on a system
   where the installed version of Python is python 3.

 * The "user.useConfigOnly" configuration variable makes it an error
   if users do not explicitly set user.name and user.email.  However,
   its check was not done early enough and allowed another error to
   trigger, reporting that the default value we guessed from the
   system setting was unusable.  This was a suboptimal end-user
   experience as we want the users to set user.name/user.email without
   relying on the auto-detection at all.

 * "git mv old new" did not adjust the path for a submodule that lives
   as a subdirectory inside old/ directory correctly.

 * "git push" from a corrupt repository that attempts to push a large
   number of refs deadlocked; the thread to relay rejection notices
   for these ref updates blocked on writing them to the main thread,
   after the main thread at the receiving end notices that the push
   failed and decides not to read these notices and return a failure.

 * A question by "git send-email" to ask the identity of the sender
   has been updated.

 * Recent update to Git LFS broke "git p4" by changing the output from
   its "lfs pointer" subcommand.

 * Some multi-byte encoding can have a backslash byte as a later part
   of one letter, which would confuse "highlight" filter used in
   gitweb.

Also contains minor documentation updates and code clean-ups.

Log message:
Version 2.8.2

Fixes since v2.8.1
------------------
* The embedded args argv-array in the child process is used to build
  the command line to run pack-objects instead of using a separate
  array of strings.

* Bunch of tests on "git clone" has been renumbered for better
  organization.

* The tests that involve running httpd leaked the system-wide
  configuration in /etc/gitconfig to the tested environment.

* "index-pack --keep=<msg>" was broken since v2.1.0 timeframe.

* "git config --get-urlmatch", unlike other variants of the "git
  config --get" family, did not signal error with its exit status
  when there was no matching configuration.

* The "--local-env-vars" and "--resolve-git-dir" options of \ 
"git
  rev-parse" failed to work outside a repository when the command's
  option parsing was rewritten in 1.8.5 era.

* Fetching of history by naming a commit object name directly didn't
  work across remote-curl transport.

* A small memory leak in an error codepath has been plugged in xdiff
  code.

* strbuf_getwholeline() did not NUL-terminate the buffer on certain
  corner cases in its error codepath.

* The startup_info data, which records if we are working inside a
  repository (among other things), are now uniformly available to Git
  subcommand implementations, and Git avoids attempting to touch
  references when we are not in a repository.

* "git mergetool" did not work well with conflicts that both sides
  deleted.

* "git send-email" had trouble parsing alias file in mailrc format
  when lines in it had trailing whitespaces on them.

* When "git merge --squash" stopped due to conflict, the concluding
  "git commit" failed to read in the SQUASH_MSG that shows the log
  messages from all the squashed commits.

* "git merge FETCH_HEAD" dereferenced NULL pointer when merging
  nothing into an unborn history (which is arguably unusual usage,
  which perhaps was the reason why nobody noticed it).

* Build updates for MSVC.

* "git diff -M" used to work better when two originally identical
  files A and B got renamed to X/A and X/B by pairing A to X/A and B
  to X/B, but this was broken in the 2.0 timeframe.

* "git send-pack --all <there>" was broken when its command line
  option parsing was written in the 2.6 timeframe.

* When running "git blame $path" with unnormalized data in the index
  for the path, the data in the working tree was blamed, even though
  "git add" would not have changed what is already in the index, due
  to "safe crlf" that disables the line-end conversion.  It has been
  corrected.

Log message:
Changes 2.8.1:
* "make rpmbuild" target was broken as its input, git.spec.in, was
   not updated to match a file it describes that has been renamed
   recently.  This has been fixed.

Log message:
Changes 2.7.3:

* Traditionally, the tests that try commands that work on the
  contents in the working tree were named with "worktree" in their
  filenames, but with the recent addition of "git worktree"
  subcommand, whose tests are also named similarly, it has become
  harder to tell them apart.  The traditional tests have been renamed
  to use "work-tree" instead in an attempt to differentiate them.

* Many codepaths forget to check return value from git_config_set();
  the function is made to die() to make sure we do not proceed when
  setting a configuration variable failed.

* Handling of errors while writing into our internal asynchronous
  process has been made more robust, which reduces flakiness in our
  tests.

* "git show 'HEAD:Foo[BAR]Baz'" did not interpret the argument as a
  rev, i.e. the object named by the the pathname with wildcard
  characters in a tree object.

* "git rev-parse --git-common-dir" used in the worktree feature
  misbehaved when run from a subdirectory.

* The "v(iew)" subcommand of the interactive "git am -i" \ 
command was
  broken in 2.6.0 timeframe when the command was rewritten in C.

* "git merge-tree" used to mishandle "both sides added" \ 
conflict with
  its own "create a fake ancestor file that has the common parts of
  what both sides have added and do a 3-way merge" logic; this has
  been updated to use the usual "3-way merge with an empty blob as
  the fake common ancestor file" approach used in the rest of the
  system.

* The memory ownership rule of fill_textconv() API, which was a bit
  tricky, has been documented a bit better.

* The documentation did not clearly state that the 'simple' mode is
  now the default for "git push" when push.default configuration is
  not set.

* Recent versions of GNU grep are pickier when their input contains
  arbitrary binary data, which some of our tests uses.  Rewrite the
  tests to sidestep the problem.

* A helper function "git submodule" uses since v2.7.0 to list the
  modules that match the pathspec argument given to its subcommands
  (e.g. "submodule add <repo> <path>") has been fixed.

* "git config section.var value" to set a value in per-repository
  configuration file failed when it was run outside any repository,
  but didn't say the reason correctly.

* The code to read the pack data using the offsets stored in the pack
  idx file has been made more carefully check the validity of the
  data in the idx.