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Subject[ANNOUNCE] Git v2.17.0-rc2
A release candidate Git v2.17.0-rc2 is now available for testing
at the usual places. It is comprised of 499 non-merge commits
since v2.16.0, contributed by 62 people, 19 of which are new faces.

I am hoping that we can have the final version tagged at the end of
coming weekend, before I fly out to Tokyo. I expect to be offline
most of the next week after the final is tagged.

The tarballs are found at:

The following public repositories all have a copy of the
'v2.17.0-rc2' tag and the 'master' branch that the tag points at:

url =
url = git://
url =

New contributors whose contributions weren't in v2.16.0 are as follows.
Welcome to the Git development community!

Adam Borowski, Alban Gruin, Andreas G. Schacker, Bernhard
M. Wiedemann, Christian Ludwig, Gargi Sharma, Genki Sky,
Gregory Herrero, Jon Simons, Juan F. Codagnone, Kim Gybels,
Lucas Werkmeister, Mathias Rav, Michele Locati, Motoki Seki,
Stefan Moch, Stephen R Guglielmo, Tatyana Krasnukha, and Thomas

Returning contributors who helped this release are as follows.
Thanks for your continued support.

Ævar Arnfjörð Bjarmason, Alexander Shopov, Alex Bennée, Ben
Peart, Brandon Williams, brian m. carlson, Christian Couder,
Daniel Knittl-Frank, David Pursehouse, Derrick Stolee, Elijah
Newren, Eric Sunshine, Eric Wong, Jason Merrill, Jeff Hostetler,
Jeff King, Johannes Schindelin, Jonathan Nieder, Jonathan Tan,
Junio C Hamano, Kaartic Sivaraam, Mårten Kongstad, Martin
Ågren, Matthieu Moy, Michael Haggerty, Nathan Payre, Nguyễn
Thái Ngọc Duy, Nicolas Morey-Chaisemartin, Olga Telezhnaya,
Patryk Obara, Phillip Wood, Prathamesh Chavan, Ramsay Jones,
Randall S. Becker, Rasmus Villemoes, René Scharfe, Robert
P. J. Day, Stefan Beller, SZEDER Gábor, Thomas Gummerer,
Todd Zullinger, Torsten Bögershausen, and Yasushi SHOJI.


Git 2.17 Release Notes (draft)

Updates since v2.16

UI, Workflows & Features

* "diff" family of commands learned "--find-object=<object-id>" option
to limit the findings to changes that involve the named object.

* "git format-patch" learned to give 72-cols to diffstat, which is
consistent with other line length limits the subcommand uses for
its output meant for e-mails.

* The log from "git daemon" can be redirected with a new option; one
relevant use case is to send the log to standard error (instead of
syslog) when running it from inetd.

* "git rebase" learned to take "--allow-empty-message" option.

* "git am" has learned the "--quit" option, in addition to the
existing "--abort" option; having the pair mirrors a few other
commands like "rebase" and "cherry-pick".

* "git worktree add" learned to run the post-checkout hook, just like
"git clone" runs it upon the initial checkout.

* "git tag" learned an explicit "--edit" option that allows the
message given via "-m" and "-F" to be further edited.

* "git fetch --prune-tags" may be used as a handy short-hand for
getting rid of stale tags that are locally held.

* The new "--show-current-patch" option gives an end-user facing way
to get the diff being applied when "git rebase" (and "git am")
stops with a conflict.

* "git add -p" used to offer "/" (look for a matching hunk) as a
choice, even there was only one hunk, which has been corrected.
Also the single-key help is now given only for keys that are
enabled (e.g. help for '/' won't be shown when there is only one

* Since Git 1.7.9, "git merge" defaulted to --no-ff (i.e. even when
the side branch being merged is a descendant of the current commit,
create a merge commit instead of fast-forwarding) when merging a
tag object. This was appropriate default for integrators who pull
signed tags from their downstream contributors, but caused an
unnecessary merges when used by downstream contributors who
habitually "catch up" their topic branches with tagged releases
from the upstream. Update "git merge" to default to --no-ff only
when merging a tag object that does *not* sit at its usual place in
refs/tags/ hierarchy, and allow fast-forwarding otherwise, to
mitigate the problem.

* "git status" can spend a lot of cycles to compute the relation
between the current branch and its upstream, which can now be
disabled with "--no-ahead-behind" option.

* "git diff" and friends learned funcname patterns for Go language
source files.

* "git send-email" learned "--reply-to=<address>" option.

* Funcname pattern used for C# now recognizes "async" keyword.

* In a way similar to how "git tag" learned to honor the pager
setting only in the list mode, "git config" learned to ignore the
pager setting when it is used for setting values (i.e. when the
purpose of the operation is not to "show").

Performance, Internal Implementation, Development Support etc.

* More perf tests for threaded grep

* "perf" test output can be sent to codespeed server.

* The build procedure for perl/ part has been greatly simplified by
weaning ourselves off of MakeMaker.

* Perl 5.8 or greater has been required since Git 1.7.4 released in
2010, but we continued to assume some core modules may not exist and
used a conditional "eval { require <<module>> }"; we no longer do
this. Some platforms (Fedora/RedHat/CentOS, for example) ship Perl
without all core modules by default (e.g. Digest::MD5, File::Temp,
File::Spec, Net::Domain, Net::SMTP). Users on such platforms may
need to install these additional modules.

* As a convenience, we install copies of Perl modules we require which
are not part of the core Perl distribution (e.g. Error and
Mail::Address). Users and packagers whose operating system provides
these modules can set NO_PERL_CPAN_FALLBACKS to avoid installing the
bundled modules.

* In preparation for implementing narrow/partial clone, the machinery
for checking object connectivity used by gc and fsck has been
taught that a missing object is OK when it is referenced by a
packfile specially marked as coming from trusted repository that
promises to make them available on-demand and lazily.

* The machinery to clone & fetch, which in turn involves packing and
unpacking objects, has been told how to omit certain objects using
the filtering mechanism introduced by another topic. It now knows
to mark the resulting pack as a promisor pack to tolerate missing
objects, laying foundation for "narrow" clones.

* The first step to getting rid of mru API and using the
doubly-linked list API directly instead.

* Retire mru API as it does not give enough abstraction over
underlying list API to be worth it.

* Rewrite two more "git submodule" subcommands in C.

* The tracing machinery learned to report tweaking of environment
variables as well.

* Update Coccinelle rules to catch and optimize strbuf_addf(&buf, "%s", str)

* Prevent "clang-format" from breaking line after function return type.

* The sequencer infrastructure is shared across "git cherry-pick",
"git rebase -i", etc., and has always spawned "git commit" when it
needs to create a commit. It has been taught to do so internally,
when able, by reusing the codepath "git commit" itself uses, which
gives performance boost for a few tens of percents in some sample

* Push the submodule version of collision-detecting SHA-1 hash
implementation a bit harder on builders.

* Avoid mmapping small files while using packed refs (especially ones
with zero size, which would cause later munmap() to fail).

* Conversion from uchar[20] to struct object_id continues.

* More tests for wildmatch functions.

* The code to binary search starting from a fan-out table (which is
how the packfile is indexed with object names) has been refactored
into a reusable helper.

* We now avoid using identifiers that clash with C++ keywords. Even
though it is not a goal to compile Git with C++ compilers, changes
like this help use of code analysis tools that targets C++ on our

* The executable is now built in 'script' phase in Travis CI integration,
to follow the established practice, rather than during 'before_script'
phase. This allows the CI categorize the failures better ('failed'
is project's fault, 'errored' is build environment's).
(merge 3c93b82920 sg/travis-build-during-script-phase later to maint).

* Writing out the index file when the only thing that changed in it
is the untracked cache information is often wasteful, and this has
been optimized out.

* Various pieces of Perl code we have have been cleaned up.

* Internal API clean-up to allow write_locked_index() optionally skip
writing the in-core index when it is not modified.

Also contains various documentation updates and code clean-ups.

Fixes since v2.16

* An old regression in "git describe --all $annotated_tag^0" has been

* "git status" after moving a path in the working tree (hence making
it appear "removed") and then adding with the -N option (hence
making that appear "added") detected it as a rename, but did not
report the old and new pathnames correctly.

* "git svn dcommit" did not take into account the fact that a
svn+ssh:// URL with a username@ (typically used for pushing) refers
to the same SVN repository without the username@ and failed when
svn.pushmergeinfo option is set.

* API clean-up around revision traversal.

* "git merge -Xours/-Xtheirs" learned to use our/their version when
resolving a conflicting updates to a symbolic link.

* "git clone $there $here" is allowed even when here directory exists
as long as it is an empty directory, but the command incorrectly
removed it upon a failure of the operation.

* "git commit --fixup" did not allow "-m<message>" option to be used
at the same time; allow it to annotate resulting commit with more

* When resetting the working tree files recursively, the working tree
of submodules are now also reset to match.

* "git stash -- <pathspec>" incorrectly blew away untracked files in
the directory that matched the pathspec, which has been corrected.

* Instead of maintaining home-grown email address parsing code, ship
a copy of reasonably recent Mail::Address to be used as a fallback
in 'git send-email' when the platform lacks it.
(merge d60be8acab mm/send-email-fallback-to-local-mail-address later to maint).

* "git add -p" was taught to ignore local changes to submodules as
they do not interfere with the partial addition of regular changes

* Avoid showing a warning message in the middle of a line of "git
diff" output.
(merge 4e056c989f nd/diff-flush-before-warning later to maint).

* The http tracing code, often used to debug connection issues,
learned to redact potentially sensitive information from its output
so that it can be more safely sharable.
(merge 8ba18e6fa4 jt/http-redact-cookies later to maint).

* Crash fix for a corner case where an error codepath tried to unlock
what it did not acquire lock on.
(merge 81fcb698e0 mr/packed-ref-store-fix later to maint).

* The split-index mode had a few corner case bugs fixed.
(merge ae59a4e44f tg/split-index-fixes later to maint).

* Assorted fixes to "git daemon".
(merge ed15e58efe jk/daemon-fixes later to maint).

* Completion of "git merge -s<strategy>" (in contrib/) did not work
well in non-C locale.
(merge 7cc763aaa3 nd/list-merge-strategy later to maint).

* Workaround for segfault with more recent versions of SVN.
(merge 7f6f75e97a ew/svn-branch-segfault-fix later to maint).

* Plug recently introduced leaks in fsck.
(merge ba3a08ca0e jt/fsck-code-cleanup later to maint).

* "git pull --rebase" did not pass verbosity setting down when
recursing into a submodule.
(merge a56771a668 sb/pull-rebase-submodule later to maint).

* The way "git reset --hard" reports the commit the updated HEAD
points at is made consistent with the way how the commit title is
generated by the other parts of the system. This matters when the
title is spread across physically multiple lines.
(merge 1cf823fb68 tg/reset-hard-show-head-with-pretty later to maint).

* Test fixes.
(merge 63b1a175ee sg/test-i18ngrep later to maint).

* Some bugs around "untracked cache" feature have been fixed. This
will notice corrupt data in the untracked cache left by old and
buggy code and issue a warning---the index can be fixed by clearing
the untracked cache from it.
(merge 0cacebf099 nd/fix-untracked-cache-invalidation later to maint).
(merge 7bf0be7501 ab/untracked-cache-invalidation-docs later to maint).

* "git blame HEAD COPYING" in a bare repository failed to run, while
"git blame HEAD -- COPYING" run just fine. This has been corrected.

* "git add" files in the same directory, but spelling the directory
path in different cases on case insensitive filesystem, corrupted
the name hash data structure and led to unexpected results. This
has been corrected.
(merge c95525e90d bp/name-hash-dirname-fix later to maint).

* "git rebase -p" mangled log messages of a merge commit, which is
now fixed.
(merge ed5144d7eb js/fix-merge-arg-quoting-in-rebase-p later to maint).

* Some low level protocol codepath could crash when they get an
unexpected flush packet, which is now fixed.
(merge bb1356dc64 js/packet-read-line-check-null later to maint).

* "git check-ignore" with multiple paths got confused when one is a
file and the other is a directory, which has been fixed.
(merge d60771e930 rs/check-ignore-multi later to maint).

* "git describe $garbage" stopped giving any errors when the garbage
happens to be a string with 40 hexadecimal letters.
(merge a8e7a2bf0f sb/describe-blob later to maint).

* Code to unquote single-quoted string (used in the parser for
configuration files, etc.) did not diagnose bogus input correctly
and produced bogus results instead.
(merge ddbbf8eb25 jk/sq-dequote-on-bogus-input later to maint).

* Many places in "git apply" knew that "/dev/null" that signals
"there is no such file on this side of the diff" can be followed by
whitespace and garbage when parsing a patch, except for one, which
made an otherwise valid patch (e.g. ones from subversion) rejected.
(merge e454ad4bec tk/apply-dev-null-verify-name-fix later to maint).

* We no longer create any *.spec file, so "make clean" should not
remove it.
(merge 4321bdcabb tz/do-not-clean-spec-file later to maint).

* "git push" over http transport did not unquote the push-options
(merge 90dce21eb0 jk/push-options-via-transport-fix later to maint).

* "git send-email" learned to complain when the batch-size option is
not defined when the relogin-delay option is, since these two are
mutually required.
(merge 9caa70697b xz/send-email-batch-size later to maint).

* Y2k20 fix ;-) for our perl scripts.
(merge a40e06ee33 bw/perl-timegm-timelocal-fix later to maint).

* Threaded "git grep" has been optimized to avoid allocation in code
section that is covered under a mutex.
(merge 38ef24dccf rv/grep-cleanup later to maint).

* "git subtree" script (in contrib/) scripted around "git log", whose
output got affected by end-user configuration like log.showsignature
(merge 8841b5222c sg/subtree-signed-commits later to maint).

* While finding unique object name abbreviation, the code may
accidentally have read beyond the end of the array of object names
in a pack.
(merge 21abed500c ds/find-unique-abbrev-optim later to maint).

* Micro optimization in revision traversal code.
(merge ebbed3ba04 ds/mark-parents-uninteresting-optim later to maint).

* "git commit" used to run "gc --auto" near the end, which was lost
when the command was reimplemented in C by mistake.
(merge 095c741edd ab/gc-auto-in-commit later to maint).

* Allow running a couple of tests with "sh -x".
(merge c20bf94abc sg/cvs-tests-with-x later to maint).

* The codepath to replace an existing entry in the index had a bug in
updating the name hash structure, which has been fixed.
(merge 0e267b7a24 bp/refresh-cache-ent-rehash-fix later to maint).

* The transfer.fsckobjects configuration tells "git fetch" to
validate the data and connected-ness of objects in the received
pack; the code to perform this check has been taught about the
narrow clone's convention that missing objects that are reachable
from objects in a pack that came from a promissor remote is OK.

* There was an unused file-scope static variable left in http.c when
building for versions of libCURL that is older than 7.19.4, which
has been fixed.
(merge b8fd6008ec rj/http-code-cleanup later to maint).

* Shell script portability fix.
(merge 206a6ae013 ml/filter-branch-portability-fix later to maint).

* Other minor doc, test and build updates and code cleanups.
(merge e2a5a028c7 bw/oidmap-autoinit later to maint).
(merge ec3b4b06f8 cl/t9001-cleanup later to maint).
(merge e1b3f3dd38 ks/submodule-doc-updates later to maint).
(merge fbac558a9b rs/describe-unique-abbrev later to maint).
(merge 8462ff43e4 tb/crlf-conv-flags later to maint).
(merge 7d68bb0766 rb/hashmap-h-compilation-fix later to maint).
(merge 3449847168 cc/sha1-file-name later to maint).
(merge ad622a256f ds/use-get-be64 later to maint).
(merge f919ffebed sg/cocci-move-array later to maint).
(merge 4e801463c7 jc/mailinfo-cleanup-fix later to maint).
(merge ef5b3a6c5e nd/shared-index-fix later to maint).
(merge 9f5258cbb8 tz/doc-show-defaults-to-head later to maint).
(merge b780e4407d jc/worktree-add-short-help later to maint).
(merge ae239fc8e5 rs/cocci-strbuf-addf-to-addstr later to maint).
(merge 2e22a85e5c nd/ignore-glob-doc-update later to maint).
(merge 3738031581 jk/gettext-poison later to maint).
(merge 54360a1956 rj/sparse-updates later to maint).
(merge 12e31a6b12 sg/doc-test-must-fail-args later to maint).
(merge 760f1ad101 bc/doc-interpret-trailers-grammofix later to maint).
(merge 4ccf461f56 bp/fsmonitor later to maint).
(merge a6119f82b1 jk/test-hashmap-updates later to maint).
(merge 5aea9fe6cc rd/typofix later to maint).
(merge e4e5da2796 sb/status-doc-fix later to maint).
(merge 7976e901c8 gs/test-unset-xdg-cache-home later to maint).
(merge d023df1ee6 tg/worktree-create-tracking later to maint).
(merge 4cbe92fd41 sm/mv-dry-run-update later to maint).
(merge 75e5e9c3f7 sb/color-h-cleanup later to maint).
(merge 2708ef4af6 sg/t6300-modernize later to maint).
(merge d88e92d4e0 bw/doc-submodule-recurse-config-with-clone later to maint).
(merge f74bbc8dd2 jk/cached-commit-buffer later to maint).
(merge 1316416903 ms/non-ascii-ticks later to maint).
(merge 878056005e rs/strbuf-read-file-or-whine later to maint).
(merge 79f0ba1547 jk/strbuf-read-file-close-error later to maint).
(merge edfb8ba068 ot/ref-filter-cleanup later to maint).
(merge 11395a3b4b jc/test-must-be-empty later to maint).
(merge 768b9d6db7 mk/doc-pretty-fill later to maint).
(merge 2caa7b8d27 ab/man-sec-list later to maint).
(merge 40c17eb184 ks/t3200-typofix later to maint).
(merge bd9958c358 dp/merge-strategy-doc-fix later to maint).
(merge 9ee0540a40 js/ming-strftime later to maint).
(merge 1775e990f7 tz/complete-tag-delete-tagname later to maint).
(merge 00a4b03501 rj/warning-uninitialized-fix later to maint).
(merge b635ed97a0 jk/attributes-path-doc later to maint).


Changes since v2.16.0 are as follows:

Adam Borowski (1):
hooks/pre-auto-gc-battery: allow gc to run on non-laptops

Alban Gruin (1):
userdiff: add built-in pattern for golang

Alex Bennée (1):
send-email: add test for Linux's

Alexander Shopov (1):
Mark messages for translations

Andreas G. Schacker (1):
doc/read-tree: remove obsolete remark

Ben Peart (4):
dir.c: don't flag the index as dirty for changes to the untracked cache
name-hash: properly fold directory names in adjust_dirname_case()
fsmonitor: update documentation to remove reference to invalid config settings
Fix bugs preventing adding updated cache entries to the name hash

Bernhard M. Wiedemann (1):
perl: call timegm and timelocal with 4-digit year

Brandon Williams (39):
oidmap: ensure map is initialized
object_info: change member name from 'typename' to 'type_name'
object: rename function 'typename' to 'type_name'
blame: rename 'this' variables
pack-objects: rename 'this' variables
rev-parse: rename 'this' variable
submodule: indicate that 'submodule.recurse' doesn't apply to clone
diff: rename 'this' variables
apply: rename 'try' variables
apply: rename 'new' variables
checkout: rename 'new' variables
help: rename 'new' variables
pack-redundant: rename 'new' variables
reflog: rename 'new' variables
remote: rename 'new' variables
combine-diff: rename 'new' variables
commit: rename 'new' variables
diff-lib: rename 'new' variable
diff: rename 'new' variables
diffcore-delta: rename 'new' variables
entry: rename 'new' variables
http: rename 'new' variables
imap-send: rename 'new' variables
line-log: rename 'new' variables
read-cache: rename 'new' variables
ref-filter: rename 'new' variables
remote: rename 'new' variables
split-index: rename 'new' variables
submodule: rename 'new' variables
trailer: rename 'new' variables
unpack-trees: rename 'new' variables
init-db: rename 'template' variables
environment: rename 'template' variables
diff: rename 'template' variables
environment: rename 'namespace' variables
wrapper: rename 'template' variables
tempfile: rename 'template' variables
trailer: rename 'template' variables
replace: rename 'new' variables

Christian Couder (12):
perf/aggregate: fix checking ENV{GIT_PERF_SUBSECTION}
perf/aggregate: refactor printing results
perf/aggregate: implement codespeed JSON output
perf/run: add conf_opts argument to get_var_from_env_or_config()
perf/run: learn about perf.codespeedOutput
perf/run: learn to send output to codespeed server
perf/run: read GIT_PERF_REPO_NAME from perf.repoName
sha1_file: remove static strbuf from sha1_file_name()
sha1_file: improve sha1_file_name() perfs
perf/aggregate: add --subsection option
perf/aggregate: add --reponame option
perf/aggregate: sort JSON fields in output

Christian Ludwig (3):
t9001: use existing helper in send-email test
send-email: rename variable for clarity
send-email: support separate Reply-To address

Daniel Knittl-Frank (1):
describe: prepend "tags/" when describing tags with embedded name

David Pursehouse (1):
Documentation/merge-strategies: typofix

Derrick Stolee (3):
packfile: use get_be64() for large offsets
sha1_name: fix uninitialized memory errors
revision.c: reduce object database queries

Elijah Newren (3):
Tighten and correct a few testcases for merging and cherry-picking
merge-recursive: fix logic ordering issue
merge-recursive: add explanation for src_entry and dst_entry

Eric Sunshine (5):
t5601-clone: test case-conflicting files on case-insensitive filesystem
worktree: add: fix 'post-checkout' not knowing new worktree location
git-worktree.txt: fix missing ")" typo
git-worktree.txt: fix indentation of example and text of 'add' command
t2028: fix minor error and issues in newly-added "worktree move" tests

Eric Wong (2):
fsck: fix leak when traversing trees
git-svn: control destruction order to avoid segfault

Gargi Sharma (1):
mru: Replace mru.[ch] with list.h implementation

Genki Sky (2):
rebase: add --allow-empty-message option unset XDG_CACHE_HOME

Gregory Herrero (1):
rebase -p: fix incorrect commit message when calling `git merge`.

Jason Merrill (1):
git-svn: fix svn.pushmergeinfo handling of svn+ssh usernames.

Jeff Hostetler (12):
upload-pack: add object filtering for partial clone
fetch-pack, index-pack, transport: partial clone
fetch-pack: add --no-filter
fetch: support filters
partial-clone: define partial clone settings in config
t5616: end-to-end tests for partial clone
fetch: inherit filter-spec from partial clone
t5616: test bulk prefetch after partial fetch
stat_tracking_info: return +1 when branches not equal
status: add --[no-]ahead-behind to status and commit for V2 format.
status: update short status to respect --no-ahead-behind
status: support --no-ahead-behind in long format

Jeff King (35):
t5600: fix outdated comment about unborn HEAD
t5600: modernize style
clone: factor out dir_exists() helper
clone: do not clean up directories we didn't create
sq_quote_argv: drop maxlen parameter
trace: avoid unnecessary quoting
t5570: use ls-remote instead of clone for interp tests
t/lib-git-daemon: record daemon log
daemon: fix off-by-one in logging extended attributes
daemon: handle NULs in extended attribute string
t/lib-git-daemon: add network-protocol helpers
daemon: fix length computation in newline stripping
t0205: drop redundant test
git-sh-i18n: check GETTEXT_POISON before USE_GETTEXT_SCHEME
correct error messages for NULL packet_read_line()
CodingGuidelines: mention "static" and "extern"
t0002: simplify error checking
describe: confirm that blobs actually exist
test-hashmap: use ALLOC_ARRAY rather than bare malloc
test-hashmap: check allocation computation for overflow
test-hashmap: use xsnprintf rather than snprintf
test-hashmap: use strbuf_getline rather than fgets
test-hashmap: simplify alloc_test_entry
test-hashmap: use "unsigned int" for hash storage
sq_dequote: fix extra consumption of source string
t5545: factor out http repository setup
remote-curl: unquote incoming push-options
commit: drop uses of get_cached_commit_buffer()
revision: drop --show-all option
t: send verbose test-helper output to fd 4
strbuf_read_file(): preserve errno across close() call
smart-http: document flush after "# service" line
t3701: add a test for interactive.diffFilter
add--interactive: detect bogus diffFilter output
doc/gitattributes: mention non-recursive behavior

Johannes Schindelin (3):
sequencer: assign only free()able strings to gpg_sign
apply: demonstrate a problem applying svn diffs
mingw: abort on invalid strftime formats

Jon Simons (1):
always check for NULL return from packet_read_line()

Jonathan Nieder (1):
perl: treat PERLLIB_EXTRA as an extra path again

Jonathan Tan (23):
extension.partialclone: introduce partial clone extension
fsck: introduce partialclone extension
fsck: support refs pointing to promisor objects
fsck: support referenced promisor objects
fsck: support promisor objects as CLI argument
index-pack: refactor writing of .keep files
introduce fetch-object: fetch one promisor object
sha1_file: support lazily fetching missing objects
rev-list: support termination at promisor objects
gc: do not repack promisor packfiles
fetch-pack: test support excluding large blobs
fetch: refactor calculation of remote list
clone: partial clone
unpack-trees: batch fetching of missing blobs
fetch-pack: restore save_commit_buffer after use
http: support cookie redaction when tracing
http: support omitting data from traces
Docs: split out long-running subprocess handshake
packfile: remove GIT_DEBUG_LOOKUP log statements
packfile: refactor hash search with fanout table
sha1_file: restore OBJECT_INFO_QUICK functionality
index-pack: support checking objects but not links
fetch-pack: do not check links for partial fetch

Juan F. Codagnone (1):
mailinfo: avoid segfault when can't open files

Junio C Hamano (22):
merge: teach -Xours/-Xtheirs to symbolic link merge
worktree: say that "add" takes an arbitrary commit in short-help
Start 2.17 cycle
Git 2.16.1
First batch after 2.16
blame: tighten command line parser
Second batch for 2.17
Third batch for 2.17
Git 2.16.2
merge: allow fast-forward when merging a tracked tag
Fourth batch for 2.17
Fifth batch for 2.17
test_must_be_empty: make sure the file exists, not just empty
untracked cache: use git_env_bool() not getenv() for customization
Sixth batch for 2.17
Seventh batch for 2.17
Eighth batch for 2.17
Git 2.17-rc0
Git 2.17-rc1
Git 2.16.3
t9902: disable test on the list of merge-strategies under GETTEXT_POISON
Git 2.17-rc2

Kaartic Sivaraam (3):
Doc/gitsubmodules: make some changes to improve readability and syntax
Doc/git-submodule: improve readability and grammar of a sentence
t/t3200: fix a typo in a test description

Kim Gybels (1):
packed_ref_cache: don't use mmap() for small files

Lucas Werkmeister (1):
daemon: add --log-destination=(stderr|syslog|none)

Martin Ågren (9):
t7006: add tests for how git config paginates
config: respect `pager.config` in list/get-mode only
config: change default of `pager.config` to "on"
sequencer: make lockfiles non-static
sequencer: always roll back lock in `do_recursive_merge()`
merge-recursive: always roll back lock in `merge_recursive_generic()`
merge: always roll back lock in `checkout_fast_forward()`
sequencer: do not roll back lockfile unnecessarily
write_locked_index(): add flag to avoid writing unchanged index

Mathias Rav (1):
files_initial_transaction_commit(): only unlock if locked

Matthieu Moy (2):
send-email: add and use a local copy of Mail::Address
perl/Git: remove now useless email-address parsing code

Michael Haggerty (5):
struct snapshot: store `start` rather than `header_len`
create_snapshot(): use `xmemdupz()` rather than a strbuf
find_reference_location(): make function safe for empty snapshots
packed_ref_iterator_begin(): make optimization more general
load_contents(): don't try to mmap an empty file

Michele Locati (1):
filter-branch: use printf instead of echo -e

Motoki Seki (1):
Documentation/gitsubmodules.txt: avoid non-ASCII apostrophes

Mårten Kongstad (1):
docs/pretty-formats: fix typo '% <(<N>)' -> '%<|(<N>)'

Nathan Payre (1):
send-email: extract email-parsing code into a subroutine

Nguyễn Thái Ngọc Duy (85):
t2203: test status output with porcelain v2 format
Use DIFF_DETECT_RENAME for detect_rename assignments
wt-status.c: coding style fix
wt-status.c: catch unhandled diff status codes
wt-status.c: rename rename-related fields in wt_status_change_data
wt-status.c: handle worktree renames
trace.c: move strbuf_release() out of print_trace_line()
add--interactive: ignore submodule changes except HEAD
read-cache.c: change type of "temp" in write_shared_index()
read-cache.c: move tempfile creation/cleanup out of write_shared_index
diff.c: flush stdout before printing rename warnings
run-command.c: introduce trace_run_command()
run-command.c: print program 'git' when tracing git_cmd mode
run-command.c: print env vars in trace_run_command()
run-command.c: print new cwd in trace_run_command()
read-cache: don't write index twice if we can't write shared index
worktree.c: add validate_worktree()
dir.c: avoid stat() in valid_cached_dir()
dir.c: fix missing dir invalidation in untracked code
format-patch: keep cover-letter diffstat wrapped in 72 columns
completion: fix completing merge strategies on non-C locales
dir.c: stop ignoring opendir() error in open_cached_dir()
format-patch: reduce patch diffstat width to 72
gitignore.txt: elaborate shell glob syntax
trace: measure where the time is spent in the index-heavy operations
diff.c: refactor pprint_rename() to use strbuf
dir.c: ignore paths containing .git when invalidating untracked cache
parse-options: support --git-completion-helper
parse-options: add OPT_xxx_F() variants
parse-options: let OPT__FORCE take optional flags argument
git-completion.bash: introduce __gitcomp_builtin
completion: use __gitcomp_builtin in _git_add
completion: use __gitcomp_builtin in _git_am
completion: use __gitcomp_builtin in _git_apply
completion: use __gitcomp_builtin in _git_branch
completion: use __gitcomp_builtin in _git_checkout
completion: use __gitcomp_builtin in _git_cherry_pick
completion: use __gitcomp_builtin in _git_clean
completion: use __gitcomp_builtin in _git_clone
completion: use __gitcomp_builtin in _git_commit
completion: use __gitcomp_builtin in _git_config
completion: use __gitcomp_builtin in _git_describe
completion: use __gitcomp_builtin in _git_difftool
completion: use __gitcomp_builtin in _git_fetch
completion: use __gitcomp_builtin in _git_fsck
completion: use __gitcomp_builtin in _git_gc
completion: use __gitcomp_builtin in _git_grep
completion: use __gitcomp_builtin in _git_help
completion: use __gitcomp_builtin in _git_init
completion: use __gitcomp_builtin in _git_ls_files
completion: use __gitcomp_builtin in _git_ls_remote
completion: use __gitcomp_builtin in _git_merge
completion: use __gitcomp_builtin in _git_merge_base
completion: use __gitcomp_builtin in _git_mv
completion: use __gitcomp_builtin in _git_name_rev
completion: use __gitcomp_builtin in _git_notes
completion: use __gitcomp_builtin in _git_pull
completion: use __gitcomp_builtin in _git_push
completion: use __gitcomp_builtin in _git_remote
remote: force completing --mirror= instead of --mirror
completion: use __gitcomp_builtin in _git_replace
completion: use __gitcomp_builtin in _git_reset
completion: use __gitcomp_builtin in _git_revert
completion: use __gitcomp_builtin in _git_rm
completion: use __gitcomp_builtin in _git_show_branch
completion: use __gitcomp_builtin in _git_status
completion: use __gitcomp_builtin in _git_tag
completion: use __gitcomp_builtin in _git_worktree
worktree.c: add update_worktree_location()
worktree move: new command
worktree move: accept destination as directory
worktree move: refuse to move worktrees with submodules
worktree remove: new command
worktree remove: allow it when $GIT_WORK_TREE is already gone
am: add --show-current-patch
rebase: add --show-current-patch
rebase: introduce and use pseudo-ref REBASE_HEAD
am: support --quit
diff: add --compact-summary
object.h: update flag allocation comment
object.h: realign object flag allocation comment
completion: don't set PARSE_OPT_NOCOMPLETE on --rerere-autoupdate
completion: simplify _git_notes
completion: complete --{reuse,reedit}-message= for all notes subcmds
completion: more subcommands in _git_notes()

Nicolas Morey-Chaisemartin (1):
tag: add --edit option

Olga Telezhnaya (3):
mru: use double-linked list from list.h
ref-filter: get rid of duplicate code
ref-filter: get rid of goto

Patryk Obara (14):
clang-format: adjust penalty for return type line break
http-push: improve error log
sha1_file: convert pretend_sha1_file to object_id
dir: convert struct sha1_stat to use object_id
sha1_file: convert hash_sha1_file to object_id
cache: clear whole hash buffer with oidclr
match-trees: convert splice_tree to object_id
commit: convert commit_tree* to object_id
notes: convert combine_notes_* to object_id
notes: convert write_notes_tree to object_id
sha1_file: convert write_sha1_file to object_id
sha1_file: convert force_object_loose to object_id
sha1_file: convert write_loose_object to object_id
sha1_file: rename hash_sha1_file_literally

Phillip Wood (25):
t3404: check intermediate squash messages
commit: move empty message checks to libgit
Add a function to update HEAD after creating a commit
commit: move post-rewrite code to libgit
commit: move print_commit_summary() to libgit
sequencer: simplify adding Signed-off-by: trailer
sequencer: load commit related config
sequencer: try to commit without forking 'git commit'
sequencer: improve config handling
t7505: style fixes
t7505: add tests for cherry-pick and rebase -i/-p
sequencer: run 'prepare-commit-msg' hook
add -p: only display help for active keys
add -p: only bind search key if there's more than one hunk
add -p: improve error messages
add -i: add function to format hunk header
t3701: indent here documents
t3701: use test_write_lines and write_script
t3701: don't hard code sha1 hash values
t3701: add failing test for pathological context lines
add -p: adjust offsets of subsequent hunks when one is skipped
add -p: calculate offset delta for edited patches
add -p: fix counting when splitting and coalescing
add -p: don't rely on apply's '--recount' option

Prathamesh Chavan (2):
submodule: port submodule subcommand 'sync' from shell to C
submodule: port submodule subcommand 'deinit' from shell to C

Ramsay Jones (6):
t4151: consolidate multiple calls to test_i18ngrep
config.mak.uname: remove SPARSE_FLAGS setting for cygwin
Makefile: suppress a sparse warning for pack-revindex.c
http: fix an unused variable warning for 'curl_no_proxy'
-Wuninitialized: remove some 'init-self' workarounds
read-cache: fix an -Wmaybe-uninitialized warning

Randall S. Becker (1):
hashmap.h: remove unused variable

Rasmus Villemoes (2):
grep: move grep_source_init outside critical section
grep: simplify grep_oid and grep_file

René Scharfe (15):
commit: avoid allocation in clear_commit_marks_many()
commit: use clear_commit_marks_many() in remove_redundant()
ref-filter: use clear_commit_marks_many() in do_merge_filter()
object: add clear_commit_marks_all()
bisect: avoid using the rev_info flag leak_pending
bundle: avoid using the rev_info flag leak_pending
checkout: avoid using the rev_info flag leak_pending
revision: remove the unused flag leak_pending
commit: remove unused function clear_commit_marks_for_object_array()
describe: use strbuf_add_unique_abbrev() for adding short hashes
cocci: use format keyword instead of a literal string
cocci: simplify check for trivial format strings
check-ignore: fix mix of directories and other file types
sequencer: factor out strbuf_read_file_or_whine()
perf: use GIT_PERF_REPEAT_COUNT=3 by default even without config file

Robert P. J. Day (2):
t/: correct obvious typo "detahced"
Correct mispellings of ".gitmodule" to ".gitmodules"

SZEDER Gábor (34):
travis-ci: build Git during the 'script' phase
travis-ci: use 'set -x' for the commands under 'su' in the 32 bit Linux build
travis-ci: use 'set -e' in the 32 bit Linux build job
travis-ci: don't repeat the path of the cache directory
travis-ci: don't run the test suite as root in the 32 bit Linux build
travis-ci: don't fail if user already exists on 32 bit Linux build job
t5541: add 'test_i18ngrep's missing filename parameter
t5812: add 'test_i18ngrep's missing filename parameter
t6022: don't run 'git merge' upstream of a pipe
t4001: don't run 'git status' upstream of a pipe
t5510: consolidate 'grep' and 'test_i18ngrep' patterns
t5536: let 'test_i18ngrep' read the file without redirection
t: move 'test_i18ncmp' and 'test_i18ngrep' to ''
t: validate 'test_i18ngrep's parameters
t: make 'test_i18ngrep' more informative on failure
t: document 'test_must_fail ok=<signal-name>'
t6300-for-each-ref: fix "more than one quoting style" tests
Makefile: generate Git(3pm) as dependency of the 'doc' and 'man' targets
t: prevent '-x' tracing from interfering with test helpers' stderr
t: add means to disable '-x' tracing for individual test scripts
t1507-rev-parse-upstream: don't check the stderr of a shell function
t5536: simplify checking of messages output to stderr
t3030-merge-recursive: don't check the stderr of a subshell
t5500-fetch-pack: don't check the stderr of a subshell
t5526: use $TRASH_DIRECTORY to specify the path of GIT_TRACE log file
t5570-git-daemon: don't check the stderr of a subshell
t9903-bash-prompt: don't check the stderr of __git_ps1()
t1510-repo-setup: mark as untraceable with '-x'
t/README: add a note about don't saving stderr of compound commands
travis-ci: run tests with '-x' tracing
t9400-git-cvsserver-server: don't rely on the output of 'test_cmp'
t9402-git-cvsserver-refs: don't check the stderr of a subshell
completion: clear cached --options when sourcing the completion script

Stefan Beller (15):
diff.h: make pickaxe_opts an unsigned bit field
diff: migrate diff_flags.pickaxe_ignore_case to a pickaxe_opts bit
diffcore: add a pickaxe option to find a specific blob
diff: properly error out when combining multiple pickaxe options
diff: use HAS_MULTI_BITS instead of counting bits manually
t/ clarify test
t/ fix test ignoring ignored files in submodules
unpack-trees: oneway_merge to update submodules
submodule: submodule_move_head omits old argument in forced case
builtin/pull: respect verbosity settings in submodules
send-email: error out when relogin delay is missing
color.h: document and modernize header
Documentation/git-status: clarify status table for porcelain mode
submodule deinit: handle non existing pathspecs gracefully

Stefan Moch (2):
t7001: add test case for --dry-run
mv: remove unneeded 'if (!show_only)'

Stephen R Guglielmo (1):
subtree: fix add and pull for GPG-signed commits

Tatyana Krasnukha (1):
apply: handle Subversion diffs with /dev/null gracefully

Thomas Gummerer (6):
stash: don't delete untracked files that match pathspec
read-cache: fix reading the shared index for other repos
split-index: don't write cache tree with null oid entries
travis: run tests with GIT_TEST_SPLIT_INDEX
reset --hard: make use of the pretty machinery
git-stash.txt: remove extra square bracket

Thomas Levesque (1):
userdiff.c: add C# async keyword in diff pattern

Todd Zullinger (5):
doc: mention 'git show' defaults to HEAD
Makefile: remove *.spec from clean target
Makefile: add NO_PERL_CPAN_FALLBACKS knob
RelNotes: add details on Perl module changes
completion: complete tags with git tag --delete/--verify

Torsten Bögershausen (1):
convert_to_git(): safe_crlf/checksafe becomes int conv_flags

Yasushi SHOJI (1):
bisect: debug: convert struct object to object_id

brian m. carlson (15):
repository: pre-initialize hash algo pointer
hash: move SHA-1 macros to hash.h
hash: create union for hash context allocation
builtin/index-pack: improve hash function abstraction
builtin/unpack-objects: switch uses of SHA-1 to the_hash_algo
sha1_file: switch uses of SHA-1 to the_hash_algo
fast-import: switch various uses of SHA-1 to the_hash_algo
pack-check: convert various uses of SHA-1 to abstract forms
pack-write: switch various SHA-1 values to abstract forms
read-cache: abstract away uses of SHA-1
csum-file: rename sha1file to hashfile
csum-file: abstract uses of SHA-1
bulk-checkin: abstract SHA-1 usage
hash: update obsolete reference to SHA1_HEADER
docs/interpret-trailers: fix agreement error

Ævar Arnfjörð Bjarmason (53):
Makefile: don't error out under DC_SHA1_EXTERNAL if DC_SHA1_SUBMODULE=auto
Makefile: under "make dist", include the sha1collisiondetection submodule
sha1dc_git.h: re-arrange an ifdef chain for a subsequent change
Makefile: replace perl/Makefile.PL with simple make rules
commit doc: document that -c, -C, -F and --fixup with -m error
commit: add support for --fixup <commit> -m"<extra message>"
perl: avoid *.pmc and fix further
perf: amend the grep tests to test grep.threads
cat-file doc: document that -e will return some output
status: add a failing test showing a core.untrackedCache bug
wildmatch test: indent with tabs, not spaces
wildmatch test: use more standard shell style
wildmatch test: don't try to vertically align our output
wildmatch test: use a paranoia pattern from nul_match()
wildmatch test: remove dead fnmatch() test code
wildmatch test: use test_must_fail, not ! for test-wildmatch
wildmatch test: perform all tests under all wildmatch() modes
wildmatch test: create & test files on disk in addition to in-memory
test-lib: add an EXPENSIVE_ON_WINDOWS prerequisite
wildmatch test: mark test as EXPENSIVE_ON_WINDOWS
fetch: don't redundantly NULL something calloc() gave us
fetch: trivially refactor assignment to ref_nr
fetch: stop accessing "remote" variable indirectly
remote: add a macro for "refs/tags/*:refs/tags/*"
fetch tests: refactor in preparation for testing tag pruning
fetch tests: re-arrange arguments for future readability
fetch tests: add a tag to be deleted to the pruning tests
fetch tests: test --prune and refspec interaction
fetch tests: double quote a variable for interpolation
fetch tests: expand case/esac for later change
fetch tests: fetch <url> <spec> as well as fetch [<remote>]
git fetch doc: add a new section to explain the ins & outs of pruning
git remote doc: correct dangerous lies about what prune does
git-fetch & config doc: link to the new PRUNING section
fetch tests: add scaffolding for the new fetch.pruneTags
fetch: add a --prune-tags option and fetch.pruneTags config
fetch: make the --prune-tags work with <url>
update-index doc: note a fixed bug in the untracked cache
update-index doc: note the caveat with "could not open..."
perl: *.pm files should not have the executable bit remove redundant "use strict" from sub-package add the "use warnings" pragma
commit: run git gc --auto just before the post-commit hook
gitweb: hard-depend on the Digest::MD5 5.8 module hard-depend on the File::{Temp,Spec} modules
git-send-email: unconditionally use Net::{SMTP,Domain}
perl: update our ancient copy of
perl: update our copy of Mail::Address
perl: move CPAN loader wrappers to another namespace
perl: generalize the Git::LoadCPAN facility
perl: move the perl/Git/FromCPAN tree to perl/FromCPAN
perl Git::LoadCPAN: emit better errors under NO_PERL_CPAN_FALLBACKS
git manpage: note

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