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* [PATCH] xdiff: remove unneeded declarations
From: Stefan Beller @ 2016-09-03  3:16 UTC (permalink / raw)
  To: gitster; +Cc: git, Stefan Beller

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 xdiff/xemit.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 49aa16f..b52b4b9 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -22,15 +22,6 @@
 
 #include "xinclude.h"
 
-
-
-
-static long xdl_get_rec(xdfile_t *xdf, long ri, char const **rec);
-static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *ecb);
-
-
-
-
 static long xdl_get_rec(xdfile_t *xdf, long ri, char const **rec) {
 
 	*rec = xdf->recs[ri]->ptr;
-- 
2.10.0.rc2.22.g25cb54d.dirty


^ permalink raw reply related

* Re: [PATCH] sequencer: support folding in rfc2822 footer
From: Junio C Hamano @ 2016-09-03  2:23 UTC (permalink / raw)
  To: Jonathan Tan; +Cc: git
In-Reply-To: <1472846322-5592-1-git-send-email-jonathantanmy@google.com>

Jonathan Tan <jonathantanmy@google.com> writes:

> Sample-field: multiple-line field body
>  that causes a blank line below

I am not sure this is unconditionally good, or may cause problems to
those with workflows you did not consider when you wrote this patch.

Not being too lenient here historically has been a deliberate
decision to avoid misidentification of non "footers".  Does Git
itself produce some folded footer line?  If Git itself produced such
folded lines, I'd be a lot more receptive to this change, but I do
not think that is the case here.

A slightly related tangent.  An unconditionally good change you
could make is to allow folding of in-body headers.  I.e. you can
have e.g.

	-- >8 --
	Subject: [PATCH] sequencer: support in-body headers that are
         folded according to RFC2822 rules

	The first paragraph after the above long title begins
	here...

in the body of the msssage, and I _think_ we do not fold it properly
when applying such a patch.  We should, as that is something that
appears in format-patch output (i.e. something Git itself produces,
unlike the folded "footer").

^ permalink raw reply

* Re: Fixup of a fixup not working right
From: Junio C Hamano @ 2016-09-03  2:22 UTC (permalink / raw)
  To: Philip Oakley; +Cc: Robert Dailey, Git
In-Reply-To: <55512A8927384A0790DDC7F526B09053@PhilipOakley>

"Philip Oakley" <philipoakley@iee.org> writes:

> As I understand this it's implied by design. The issue is that the
> rebase is looking for that named commit within its current rebase
> range, and can't find it, so ignores it.
>
> There is a separate issue that all the fixup! fixup! messages are
> essentially treated as being concatenations of the original fixup!, no
> matter how many time the fiup is present.

They can be handled separately, but they come from the same "design"
that could be improved.  When the "original" is not in the range to
be rebased for whatever reason (including the most likely one, i.e.
it has already graduated to become part of the public history), the
best thing the user could do at that point may be, as you suggested
to Robert in your message, to turn the "fixup! original" that did
not make in time before "original" hit the public record into a
standalone "fix original" follow-up change, and then to squash
subsequent "fixup! fixup! original" (and other "fixup! original",
too) into that commit.  And a good direction forward may be to see
if "rebase -i" can be taught to be more helpful for the user who
wants to do that.

Perhaps a change like this to "rebase -i":

 - The search for "original" when handling "pick fixup! original",
   when it does not find "original", could turn it into "reword
   fixup! original" without changing its position in the instruction
   sequence.

 - The search for "original" when handling "pick fixup! fixup!
   original", could be (probably unconditionally) changed to look
   for "fixup! original" to amend, instead of looking for "original"
   as the current code (this is your "separate issue").  The same
   "if the commit to be amended is not found, turn it into reword"
   rule from the above applies to this one, too.

may be an improvement?

^ permalink raw reply

* What's cooking in git.git (Sep 2016, #01; Fri, 2)
From: Junio C Hamano @ 2016-09-03  2:17 UTC (permalink / raw)
  To: git

Here are the topics that have been cooking.  Commits prefixed with
'-' are only in 'pu' (proposed updates) while commits prefixed with
'+' are in 'next'.  The ones marked with '.' do not appear in any of
the integration branches, but I am still holding onto them.

Git 2.10 has been tagged.  In a few days, many topics that have been
cooking in 'next' would be merged to 'master'; as usual, I plan to
keep the tip of 'next' closed for a week or so and encourage people
to pay more attention to possible regressions than to show their
shiny new toys, and then open the new cycle by rebuilding 'next'
after that.

You can find the changes described here in the integration branches
of the repositories listed at

    http://git-blame.blogspot.com/p/git-public-repositories.html

--------------------------------------------------
[New Topics]

* jc/submodule-anchor-git-dir (2016-09-01) 1 commit
 - submodule: avoid auto-discovery in prepare_submodule_repo_env()

 Having a submodule whose ".git" repository is somehow corrupt
 caused a few commands that recurse into submodules loop forever.

 Will merge to 'next'.


* jc/forbid-symbolic-ref-d-HEAD (2016-09-02) 1 commit
 - symbolic-ref -d: do not allow removal of HEAD

 "git symbolic-ref -d HEAD" happily removes the symbolic ref, but
 the resulting repository becomes an invalid one.  Teach the command
 to forbid removal of HEAD.

 Will merge to 'next'.

--------------------------------------------------
[Stalled]

* jc/bundle (2016-03-03) 6 commits
 - index-pack: --clone-bundle option
 - Merge branch 'jc/index-pack' into jc/bundle
 - bundle v3: the beginning
 - bundle: keep a copy of bundle file name in the in-core bundle header
 - bundle: plug resource leak
 - bundle doc: 'verify' is not about verifying the bundle

 The beginning of "split bundle", which could be one of the
 ingredients to allow "git clone" traffic off of the core server
 network to CDN.

 While I think it would make it easier for people to experiment and
 build on if the topic is merged to 'next', I am at the same time a
 bit reluctant to merge an unproven new topic that introduces a new
 file format, which we may end up having to support til the end of
 time.  It is likely that to support a "prime clone from CDN", it
 would need a lot more than just "these are the heads and the pack
 data is over there", so this may not be sufficient.

 Will discard.


* jc/blame-reverse (2016-06-14) 2 commits
 - blame: dwim "blame --reverse OLD" as "blame --reverse OLD.."
 - blame: improve diagnosis for "--reverse NEW"

 It is a common mistake to say "git blame --reverse OLD path",
 expecting that the command line is dwimmed as if asking how lines
 in path in an old revision OLD have survived up to the current
 commit.

 Has been waiting for positive responses without seeing any.

 Will discard.


* jc/attr (2016-05-25) 18 commits
 - attr: support quoting pathname patterns in C style
 - attr: expose validity check for attribute names
 - attr: add counted string version of git_attr()
 - attr: add counted string version of git_check_attr()
 - attr: retire git_check_attrs() API
 - attr: convert git_check_attrs() callers to use the new API
 - attr: convert git_all_attrs() to use "struct git_attr_check"
 - attr: (re)introduce git_check_attr() and struct git_attr_check
 - attr: rename function and struct related to checking attributes
 - attr.c: plug small leak in parse_attr_line()
 - attr.c: tighten constness around "git_attr" structure
 - attr.c: simplify macroexpand_one()
 - attr.c: mark where #if DEBUG ends more clearly
 - attr.c: complete a sentence in a comment
 - attr.c: explain the lack of attr-name syntax check in parse_attr()
 - attr.c: update a stale comment on "struct match_attr"
 - attr.c: use strchrnul() to scan for one line
 - commit.c: use strchrnul() to scan for one line
 (this branch is used by jc/attr-more, sb/pathspec-label and sb/submodule-default-paths.)

 The attributes API has been updated so that it can later be
 optimized using the knowledge of which attributes are queried.

 I wanted to polish this topic further to make the attribute
 subsystem thread-ready, but because other topics depend on this
 topic and they do not (yet) need it to be thread-ready.

 As the authors of topics that depend on this seem not in a hurry,
 let's discard this and dependent topics and restart them some other
 day.

 Will discard.


* jc/attr-more (2016-06-09) 8 commits
 - attr.c: outline the future plans by heavily commenting
 - attr.c: always pass check[] to collect_some_attrs()
 - attr.c: introduce empty_attr_check_elems()
 - attr.c: correct ugly hack for git_all_attrs()
 - attr.c: rename a local variable check
 - fixup! d5ad6c13
 - attr.c: pass struct git_attr_check down the callchain
 - attr.c: add push_stack() helper
 (this branch uses jc/attr; is tangled with sb/pathspec-label and sb/submodule-default-paths.)

 The beginning of long and tortuous journey to clean-up attribute
 subsystem implementation.

 Needs to be redone.
 Will discard.


* sb/submodule-default-paths (2016-06-20) 5 commits
 - completion: clone can recurse into submodules
 - clone: add --init-submodule=<pathspec> switch
 - submodule update: add `--init-default-path` switch
 - Merge branch 'sb/pathspec-label' into sb/submodule-default-paths
 - Merge branch 'jc/attr' into sb/submodule-default-paths
 (this branch uses jc/attr and sb/pathspec-label; is tangled with jc/attr-more.)

 Allow specifying the set of submodules the user is interested in on
 the command line of "git clone" that clones the superproject.

 Will discard.


* sb/pathspec-label (2016-06-03) 6 commits
 - pathspec: disable preload-index when attribute pathspec magic is in use
 - pathspec: allow escaped query values
 - pathspec: allow querying for attributes
 - pathspec: move prefix check out of the inner loop
 - pathspec: move long magic parsing out of prefix_pathspec
 - Documentation: fix a typo
 (this branch is used by sb/submodule-default-paths; uses jc/attr; is tangled with jc/attr-more.)

 The pathspec mechanism learned ":(attr:X)$pattern" pathspec magic
 to limit paths that match $pattern further by attribute settings.
 The preload-index mechanism is disabled when the new pathspec magic
 is in use (at least for now), because the attribute subsystem is
 not thread-ready.

 Will discard.


* mh/connect (2016-06-06) 10 commits
 - connect: [host:port] is legacy for ssh
 - connect: move ssh command line preparation to a separate function
 - connect: actively reject git:// urls with a user part
 - connect: change the --diag-url output to separate user and host
 - connect: make parse_connect_url() return the user part of the url as a separate value
 - connect: group CONNECT_DIAG_URL handling code
 - connect: make parse_connect_url() return separated host and port
 - connect: re-derive a host:port string from the separate host and port variables
 - connect: call get_host_and_port() earlier
 - connect: document why we sometimes call get_port after get_host_and_port

 Rewrite Git-URL parsing routine (hopefully) without changing any
 behaviour.

 It has been two months without any support.  We may want to discard
 this.


* sb/bisect (2016-04-15) 22 commits
 . SQUASH???
 . bisect: get back halfway shortcut
 . bisect: compute best bisection in compute_relevant_weights()
 . bisect: use a bottom-up traversal to find relevant weights
 . bisect: prepare for different algorithms based on find_all
 . bisect: rename count_distance() to compute_weight()
 . bisect: make total number of commits global
 . bisect: introduce distance_direction()
 . bisect: extract get_distance() function from code duplication
 . bisect: use commit instead of commit list as arguments when appropriate
 . bisect: replace clear_distance() by unique markers
 . bisect: use struct node_data array instead of int array
 . bisect: get rid of recursion in count_distance()
 . bisect: make algorithm behavior independent of DEBUG_BISECT
 . bisect: make bisect compile if DEBUG_BISECT is set
 . bisect: plug the biggest memory leak
 . bisect: add test for the bisect algorithm
 . t6030: generalize test to not rely on current implementation
 . t: use test_cmp_rev() where appropriate
 . t/test-lib-functions.sh: generalize test_cmp_rev
 . bisect: allow 'bisect run' if no good commit is known
 . bisect: write about `bisect next` in documentation

 The internal algorithm used in "git bisect" to find the next commit
 to check has been optimized greatly.

 Was expecting a reroll, but now pb/bisect topic starts removinging
 more and more parts from git-bisect.sh, this needs to see a fresh
 reroll.

 Will discard.
 cf. <1460294354-7031-1-git-send-email-s-beyer@gmx.net>


* sg/completion-updates (2016-02-28) 21 commits
 . completion: cache the path to the repository
 . completion: extract repository discovery from __gitdir()
 . completion: don't guard git executions with __gitdir()
 . completion: consolidate silencing errors from git commands
 . completion: don't use __gitdir() for git commands
 . completion: respect 'git -C <path>'
 . completion: fix completion after 'git -C <path>'
 . completion: don't offer commands when 'git --opt' needs an argument
 . rev-parse: add '--absolute-git-dir' option
 . completion: list short refs from a remote given as a URL
 . completion: don't list 'HEAD' when trying refs completion outside of a repo
 . completion: list refs from remote when remote's name matches a directory
 . completion: respect 'git --git-dir=<path>' when listing remote refs
 . completion: fix most spots not respecting 'git --git-dir=<path>'
 . completion: ensure that the repository path given on the command line exists
 . completion tests: add tests for the __git_refs() helper function
 . completion tests: check __gitdir()'s output in the error cases
 . completion tests: consolidate getting path of current working directory
 . completion tests: make the $cur variable local to the test helper functions
 . completion tests: don't add test cruft to the test repository
 . completion: improve __git_refs()'s in-code documentation

 Has been waiting for a reroll for too long.
 cf. <1456754714-25237-1-git-send-email-szeder@ira.uka.de>

 Will discard.


* ec/annotate-deleted (2015-11-20) 1 commit
 - annotate: skip checking working tree if a revision is provided

 Usability fix for annotate-specific "<file> <rev>" syntax with deleted
 files.

 Has been waiting for a review for too long without seeing anything.

 Will discard.


* dk/gc-more-wo-pack (2016-01-13) 4 commits
 - gc: clean garbage .bitmap files from pack dir
 - t5304: ensure non-garbage files are not deleted
 - t5304: test .bitmap garbage files
 - prepare_packed_git(): find more garbage

 Follow-on to dk/gc-idx-wo-pack topic, to clean up stale
 .bitmap and .keep files.

 Has been waiting for a reroll for too long.
 cf. <xmqq60ypbeng.fsf@gitster.mtv.corp.google.com>

 Will discard.


* jc/diff-b-m (2015-02-23) 5 commits
 . WIPWIP
 . WIP: diff-b-m
 - diffcore-rename: allow easier debugging
 - diffcore-rename.c: add locate_rename_src()
 - diffcore-break: allow debugging

 "git diff -B -M" produced incorrect patch when the postimage of a
 completely rewritten file is similar to the preimage of a removed
 file; such a resulting file must not be expressed as a rename from
 other place.

 The fix in this patch is broken, unfortunately.

 Will discard.

--------------------------------------------------
[Cooking]

* bh/diff-highlight-graph (2016-08-31) 6 commits
  (merged to 'next' on 2016-08-31 at 523a15f)
 + diff-highlight: avoid highlighting combined diffs
 + diff-highlight: add multi-byte tests
 + diff-highlight: ignore test cruft
 + diff-highlight: add support for --graph output
 + diff-highlight: add failing test for handling --graph output
 + diff-highlight: add some tests

 "diff-highlight" script (in contrib/) learned to work better with
 "git log -p --graph" output.

 Will merge to 'master'.


* jc/am-read-author-file (2016-08-30) 1 commit
 - am: refactor read_author_script()

 Extract a small helper out of the function that reads the authors
 script file "git am" internally uses.

 Will merge to 'next'.
 This by itself is not useful until a second caller appears in the
 future for "rebase -i" helper.


* jk/test-lib-drop-pid-from-results (2016-08-30) 1 commit
 - test-lib: drop PID from test-results/*.count

 The test framework left the number of tests and success/failure
 count in the t/test-results directory, keyed by the name of the
 test script plus the process ID.  The latter however turned out not
 to serve any useful purpose.  The process ID part of the filename
 has been removed.

 Will merge to 'next'.


* js/sequencer-wo-die (2016-08-29) 14 commits
 - sequencer: lib'ify save_opts()
 - sequencer: lib'ify save_todo()
 - sequencer: lib'ify save_head()
 - sequencer: lib'ify create_seq_dir()
 - sequencer: lib'ify read_populate_opts()
 - sequencer: lib'ify read_populate_todo()
 - sequencer: lib'ify read_and_refresh_cache()
 - sequencer: lib'ify prepare_revs()
 - sequencer: lib'ify walk_revs_populate_todo()
 - sequencer: lib'ify do_pick_commit()
 - sequencer: lib'ify do_recursive_merge()
 - sequencer: lib'ify write_message()
 - sequencer: do not die() in do_pick_commit()
 - sequencer: lib'ify sequencer_pick_revisions()

 Lifts calls to exit(2) and die() higher in the callchain in
 sequencer.c files so that more helper functions in it can be used
 by callers that want to handle error conditions themselves.

 Waiting for a reroll.


* jk/squelch-false-warning-from-gcc-o3 (2016-08-31) 2 commits
 - color_parse_mem: initialize "struct color" temporary
 - error_errno: use constant return similar to error()

 Will merge to 'next'.


* hv/doc-commit-reference-style (2016-08-26) 1 commit
  (merged to 'next' on 2016-08-31 at 68fb778)
 + SubmittingPatches: use gitk's "Copy commit summary" format

 A small doc update.
 Will merge to 'master'.


* cc/receive-pack-limit (2016-08-24) 3 commits
  (merged to 'next' on 2016-08-25 at bc74b5b)
 + receive-pack: allow a maximum input size to be specified
 + unpack-objects: add --max-input-size=<size> option
 + index-pack: add --max-input-size=<size> option

 An incoming "git push" that attempts to push too many bytes can now
 be rejected by setting a new configuration variable at the receiving
 end.

 Will merge to 'master'.


* jk/format-patch-number-singleton-patch-with-cover (2016-08-23) 1 commit
  (merged to 'next' on 2016-08-25 at a4737fb)
 + format-patch: show 0/1 and 1/1 for singleton patch with cover letter

 "git format-patch --cover-letter HEAD^" to format a single patch
 with a separate cover letter now numbers the output as [PATCH 0/1]
 and [PATCH 1/1] by default.

 Will merge to 'master'.


* cp/completion-negative-refs (2016-08-24) 1 commit
 - completion: support excluding refs

 The command-line completion script (in contrib/) learned to
 complete "git cmd ^mas<HT>" to complete the negative end of
 reference to "git cmd ^master".

 Waiting for a review.


* jk/delta-base-cache (2016-08-23) 7 commits
  (merged to 'next' on 2016-08-25 at f1c141a)
 + t/perf: add basic perf tests for delta base cache
 + delta_base_cache: use hashmap.h
 + delta_base_cache: drop special treatment of blobs
 + delta_base_cache: use list.h for LRU
 + release_delta_base_cache: reuse existing detach function
 + clear_delta_base_cache_entry: use a more descriptive name
 + cache_or_unpack_entry: drop keep_cache parameter

 The delta-base-cache mechanism has been a key to the performance in
 a repository with a tightly packed packfile, but it did not scale
 well even with a larger value of core.deltaBaseCacheLimit.

 Will merge to 'master'.


* js/cat-file-filters (2016-08-24) 4 commits
 - cat-file: support --textconv/--filters in batch mode
 - cat-file --textconv/--filters: allow specifying the path separately
 - cat-file: introduce the --filters option
 - cat-file: fix a grammo in the man page

 Even though "git hash-objects", which is a tool to take an
 on-filesystem data stream and put it into the Git object store,
 allowed to perform the "outside-world-to-Git" conversions (e.g.
 end-of-line conversions and application of the clean-filter), and
 it had the feature on by default from very early days, its reverse
 operation "git cat-file", which takes an object from the Git object
 store and externalize for the consumption by the outside world,
 lacked an equivalent mechanism to run the "Git-to-outside-world"
 conversion.  The command learned the "--filters" option to do so.

 Waiting for a reroll.
 cf. <xmqqmvk2qcv8.fsf@gitster.mtv.corp.google.com>


* sb/push-make-submodule-check-the-default (2016-08-24) 1 commit
 - push: change submodule default to check

 Turn the default of "push.recurseSubmodules" to "check".

 Alas, this reveals that the "check" mode is too inefficient to use
 in real projects, even in ones as small as git itself.
 cf. <xmqqh9aaot49.fsf@gitster.mtv.corp.google.com>


* ak/curl-imap-send-explicit-scheme (2016-08-17) 1 commit
 - imap-send: Tell cURL to use imap:// or imaps://

 When we started cURL to talk to imap server when a new enough
 version of cURL library is available, we forgot to explicitly add
 imap(s):// before the destination.  To some folks, that didn't work
 and the library tried to make HTTP(s) requests instead.

 Needs review and testing.


* rt/help-unknown (2016-08-30) 3 commits
  (merged to 'next' on 2016-08-30 at db2a5b0)
 + help: make option --help open man pages only for Git commands
 + help: introduce option --exclude-guides
 + Merge branch 'js/no-html-bypass-on-windows' into rt/help-unknown

 "git nosuchcommand --help" said "No manual entry for gitnosuchcommand",
 which was not intuitive, given that "git nosuchcommand" said "git:
 'nosuchcommand' is not a git command".

 Will merge to 'master'.


* po/range-doc (2016-08-13) 12 commits
  (merged to 'next' on 2016-08-31 at d29870b)
 + doc: revisions: sort examples and fix alignment of the unchanged
 + doc: revisions: show revision expansion in examples
 + doc: revisions - clarify reachability examples
 + doc: revisions - define `reachable`
 + doc: gitrevisions - clarify 'latter case' is revision walk
 + doc: gitrevisions - use 'reachable' in page description
 + doc: revisions: single vs multi-parent notation comparison
 + doc: revisions: extra clarification of <rev>^! notation effects
 + doc: revisions: give headings for the two and three dot notations
 + doc: show the actual left, right, and boundary marks
 + doc: revisions - name the left and right sides
 + doc: use 'symmetric difference' consistently

 Clarify various ways to specify the "revision ranges" in the
 documentation.

 Will merge to 'master'.


* jk/diff-submodule-diff-inline (2016-08-31) 8 commits
  (merged to 'next' on 2016-09-02 at 734e42c)
 + diff: teach diff to display submodule difference with an inline diff
 + submodule: refactor show_submodule_summary with helper function
 + submodule: convert show_submodule_summary to use struct object_id *
 + allow do_submodule_path to work even if submodule isn't checked out
 + diff: prepare for additional submodule formats
 + graph: add support for --line-prefix on all graph-aware output
 + diff.c: remove output_prefix_length field
 + cache: add empty_tree_oid object and helper function

 The "git diff --submodule={short,log}" mechanism has been enhanced
 to allow "--submodule=diff" to show the patch between the submodule
 commits bound to the superproject.

 Will merge to 'master'.


* jk/reduce-gc-aggressive-depth (2016-08-11) 1 commit
  (merged to 'next' on 2016-08-11 at 6810c6f)
 + gc: default aggressive depth to 50

 "git gc --aggressive" used to limit the delta-chain length to 250,
 which is way too deep for gaining additional space savings and is
 detrimental for runtime performance.  The limit has been reduced to
 50.

 Will hold to see if people scream.


* ks/pack-objects-bitmap (2016-08-09) 2 commits
 - pack-objects: use reachability bitmap index when generating non-stdout pack
 - pack-objects: respect --local/--honor-pack-keep/--incremental when bitmap is in use

 Waiting for the review discussion to settle.
 cf. <20160818175222.bmm3ivjheokf2qzl@sigill.intra.peff.net>
 cf. <20160818180615.q25p57v35m2xxtww@sigill.intra.peff.net>


* sb/submodule-clone-rr (2016-08-17) 8 commits
  (merged to 'next' on 2016-08-31 at 08b4b7d)
 + clone: recursive and reference option triggers submodule alternates
 + clone: implement optional references
 + clone: clarify option_reference as required
 + clone: factor out checking for an alternate path
 + submodule--helper update-clone: allow multiple references
 + submodule--helper module-clone: allow multiple references
 + t7408: merge short tests, factor out testing method
 + t7408: modernize style

 "git clone --resurse-submodules --reference $path $URL" is a way to
 reduce network transfer cost by borrowing objects in an existing
 $path repository when cloning the superproject from $URL; it
 learned to also peek into $path for presense of corresponding
 repositories of submodules and borrow objects from there when able.

 Will merge to 'master'.


* jh/status-v2-porcelain (2016-08-12) 9 commits
  (merged to 'next' on 2016-08-31 at e71f595)
 + status: unit tests for --porcelain=v2
 + test-lib-functions.sh: add lf_to_nul helper
 + git-status.txt: describe --porcelain=v2 format
 + status: print branch info with --porcelain=v2 --branch
 + status: print per-file porcelain v2 status data
 + status: collect per-file data for --porcelain=v2
 + status: support --porcelain[=<version>]
 + status: cleanup API to wt_status_print
 + status: rename long-format print routines

 Enhance "git status --porcelain" output by collecting more data on
 the state of the index and the working tree files, which may
 further be used to teach git-prompt (in contrib/) to make fewer
 calls to git.

 Will merge to 'master'.


* mh/diff-indent-heuristic (2016-08-23) 6 commits
 - diff: improve positioning of add/delete blocks in diffs
 - xdl_change_compact(): introduce the concept of a change group
 - recs_match(): take two xrecord_t pointers as arguments
 - is_blank_line(): take a single xrecord_t as argument
 - xdl_change_compact(): only use heuristic if group can't be matched
 - xdl_change_compact(): fix compaction heuristic to adjust ixo

 Output from "git diff" can be made easier to read by selecting
 which lines are common and which lines are added/deleted
 intelligently when the lines before and after the changed section
 are the same.  A command line option is added to help with the
 experiment to find a good heuristics.

 Waiting for a reroll.
 cf. <a27aa17e-f602-fc49-92b3-2198e4772e47@ramsayjones.plus.com>


* cc/apply-am (2016-08-29) 41 commits
 - builtin/am: use apply API in run_apply()
 - apply: learn to use a different index file
 - apply: pass apply state to build_fake_ancestor()
 - apply: refactor `git apply` option parsing
 - apply: change error_routine when silent
 - usage: add get_error_routine() and get_warn_routine()
 - usage: add set_warn_routine()
 - apply: don't print on stdout in verbosity_silent mode
 - apply: make it possible to silently apply
 - apply: use error_errno() where possible
 - apply: make some parsing functions static again
 - apply: move libified code from builtin/apply.c to apply.{c,h}
 - apply: rename and move opt constants to apply.h
 - builtin/apply: rename option parsing functions
 - builtin/apply: make create_one_file() return -1 on error
 - builtin/apply: make try_create_file() return -1 on error
 - builtin/apply: make write_out_results() return -1 on error
 - builtin/apply: make write_out_one_result() return -1 on error
 - builtin/apply: make create_file() return -1 on error
 - builtin/apply: make add_index_file() return -1 on error
 - builtin/apply: make add_conflicted_stages_file() return -1 on error
 - builtin/apply: make remove_file() return -1 on error
 - builtin/apply: make build_fake_ancestor() return -1 on error
 - builtin/apply: change die_on_unsafe_path() to check_unsafe_path()
 - builtin/apply: make gitdiff_*() return -1 on error
 - builtin/apply: make gitdiff_*() return 1 at end of header
 - builtin/apply: make parse_traditional_patch() return -1 on error
 - builtin/apply: make apply_all_patches() return 128 or 1 on error
 - builtin/apply: move check_apply_state() to apply.c
 - builtin/apply: make check_apply_state() return -1 instead of die()ing
 - apply: make init_apply_state() return -1 instead of exit()ing
 - builtin/apply: move init_apply_state() to apply.c
 - builtin/apply: make parse_ignorewhitespace_option() return -1 instead of die()ing
 - builtin/apply: make parse_whitespace_option() return -1 instead of die()ing
 - builtin/apply: make parse_single_patch() return -1 on error
 - builtin/apply: make parse_chunk() return a negative integer on error
 - builtin/apply: make find_header() return -128 instead of die()ing
 - builtin/apply: read_patch_file() return -1 instead of die()ing
 - builtin/apply: make apply_patch() return -1 or -128 instead of die()ing
 - apply: move 'struct apply_state' to apply.h
 - apply: make some names more specific

 "git am" has been taught to make an internal call to "git apply"'s
 innards without spawning the latter as a separate process.

 Waiting for a reroll.


* jk/pack-objects-optim-mru (2016-08-11) 4 commits
  (merged to 'next' on 2016-08-11 at c0a7dae)
 + pack-objects: use mru list when iterating over packs
 + pack-objects: break delta cycles before delta-search phase
 + sha1_file: make packed_object_info public
 + provide an initializer for "struct object_info"

 "git pack-objects" in a repository with many packfiles used to
 spend a lot of time looking for/at objects in them; the accesses to
 the packfiles are now optimized by checking the most-recently-used
 packfile first.

 Will hold to see if people scream.


* jk/rebase-i-drop-ident-check (2016-07-29) 1 commit
  (merged to 'next' on 2016-08-14 at 6891bcd)
 + rebase-interactive: drop early check for valid ident

 Even when "git pull --rebase=preserve" (and the underlying "git
 rebase --preserve") can complete without creating any new commit
 (i.e. fast-forwards), it still insisted on having a usable ident
 information (read: user.email is set correctly), which was less
 than nice.  As the underlying commands used inside "git rebase"
 would fail with a more meaningful error message and advice text
 when the bogus ident matters, this extra check was removed.

 Will hold to see if people scream.
 cf. <20160729224944.GA23242@sigill.intra.peff.net>


* dp/autoconf-curl-ssl (2016-06-28) 1 commit
 - ./configure.ac: detect SSL in libcurl using curl-config

 The ./configure script generated from configure.ac was taught how
 to detect support of SSL by libcurl better.

 Needs review.


* jc/pull-rebase-ff (2016-07-28) 1 commit
 - pull: fast-forward "pull --rebase=true"

 "git pull --rebase", when there is no new commits on our side since
 we forked from the upstream, should be able to fast-forward without
 invoking "git rebase", but it didn't.

 Needs a real log message and a few tests.


* ex/deprecate-empty-pathspec-as-match-all (2016-06-22) 1 commit
  (merged to 'next' on 2016-07-13 at d9ca7fb)
 + pathspec: warn on empty strings as pathspec

 An empty string used as a pathspec element has always meant
 'everything matches', but it is too easy to write a script that
 finds a path to remove in $path and run 'git rm "$paht"', which
 ends up removing everything.  Start warning about this use of an
 empty string used for 'everything matches' and ask users to use a
 more explicit '.' for that instead.

 The hope is that existing users will not mind this change, and
 eventually the warning can be turned into a hard error, upgrading
 the deprecation into removal of this (mis)feature.

 Will hold to see if people scream.


* mh/ref-store (2016-06-20) 38 commits
 - refs: implement iteration over only per-worktree refs
 - refs: make lock generic
 - refs: add method to rename refs
 - refs: add methods to init refs db
 - refs: make delete_refs() virtual
 - refs: add method for initial ref transaction commit
 - refs: add methods for reflog
 - refs: add method iterator_begin
 - files_ref_iterator_begin(): take a ref_store argument
 - split_symref_update(): add a files_ref_store argument
 - lock_ref_sha1_basic(): add a files_ref_store argument
 - lock_ref_for_update(): add a files_ref_store argument
 - commit_ref_update(): add a files_ref_store argument
 - lock_raw_ref(): add a files_ref_store argument
 - repack_without_refs(): add a files_ref_store argument
 - refs: make peel_ref() virtual
 - refs: make create_symref() virtual
 - refs: make pack_refs() virtual
 - refs: make verify_refname_available() virtual
 - refs: make read_raw_ref() virtual
 - resolve_gitlink_ref(): rename path parameter to submodule
 - resolve_gitlink_ref(): avoid memory allocation in many cases
 - resolve_gitlink_ref(): implement using resolve_ref_recursively()
 - resolve_ref_recursively(): new function
 - read_raw_ref(): take a (struct ref_store *) argument
 - resolve_gitlink_packed_ref(): remove function
 - resolve_packed_ref(): rename function from resolve_missing_loose_ref()
 - refs: reorder definitions
 - refs: add a transaction_commit() method
 - {lock,commit,rollback}_packed_refs(): add files_ref_store arguments
 - resolve_missing_loose_ref(): add a files_ref_store argument
 - get_packed_ref(): add a files_ref_store argument
 - add_packed_ref(): add a files_ref_store argument
 - refs: create a base class "ref_store" for files_ref_store
 - refs: add a backend method structure
 - refs: rename struct ref_cache to files_ref_store
 - rename_ref_available(): add docstring
 - resolve_gitlink_ref(): eliminate temporary variable

 The ref-store abstraction was introduced to the refs API so that we
 can plug in different backends to store references.

 Needs a fixup.
 cf. <576D9885.2020901@ramsayjones.plus.com>


* nd/shallow-deepen (2016-06-13) 27 commits
 - fetch, upload-pack: --deepen=N extends shallow boundary by N commits
 - upload-pack: add get_reachable_list()
 - upload-pack: split check_unreachable() in two, prep for get_reachable_list()
 - t5500, t5539: tests for shallow depth excluding a ref
 - clone: define shallow clone boundary with --shallow-exclude
 - fetch: define shallow boundary with --shallow-exclude
 - upload-pack: support define shallow boundary by excluding revisions
 - refs: add expand_ref()
 - t5500, t5539: tests for shallow depth since a specific date
 - clone: define shallow clone boundary based on time with --shallow-since
 - fetch: define shallow boundary with --shallow-since
 - upload-pack: add deepen-since to cut shallow repos based on time
 - shallow.c: implement a generic shallow boundary finder based on rev-list
 - fetch-pack: use a separate flag for fetch in deepening mode
 - fetch-pack.c: mark strings for translating
 - fetch-pack: use a common function for verbose printing
 - fetch-pack: use skip_prefix() instead of starts_with()
 - upload-pack: move rev-list code out of check_non_tip()
 - upload-pack: make check_non_tip() clean things up on error
 - upload-pack: tighten number parsing at "deepen" lines
 - upload-pack: use skip_prefix() instead of starts_with()
 - upload-pack: move "unshallow" sending code out of deepen()
 - upload-pack: remove unused variable "backup"
 - upload-pack: move "shallow" sending code out of deepen()
 - upload-pack: move shallow deepen code out of receive_needs()
 - transport-helper.c: refactor set_helper_option()
 - remote-curl.c: convert fetch_git() to use argv_array

 The existing "git fetch --depth=<n>" option was hard to use
 correctly when making the history of an existing shallow clone
 deeper.  A new option, "--deepen=<n>", has been added to make this
 easier to use.  "git clone" also learned "--shallow-since=<date>"
 and "--shallow-exclude=<tag>" options to make it easier to specify
 "I am interested only in the recent N months worth of history" and
 "Give me only the history since that version".

 Needs review.

 Rerolled.  What this topic attempts to achieve is worthwhile, I
 would think.


* pb/bisect (2016-08-23) 27 commits
 . bisect--helper: remove the dequote in bisect_start()
 . bisect--helper: retire `--bisect-auto-next` subcommand
 . bisect--helper: retire `--bisect-autostart` subcommand
 . bisect--helper: retire `--check-and-set-terms` subcommand
 . bisect--helper: retire `--bisect-write` subcommand
 . bisect--helper: `bisect_replay` shell function in C
 . bisect--helper: `bisect_log` shell function in C
 . bisect--helper: retire `--write-terms` subcommand
 . bisect--helper: retire `--check-expected-revs` subcommand
 . bisect--helper: `bisect_state` & `bisect_head` shell function in C
 . bisect--helper: `bisect_autostart` shell function in C
 . bisect--helper: retire `--next-all` subcommand
 . bisect--helper: retire `--bisect-clean-state` subcommand
 . bisect--helper: `bisect_next` and `bisect_auto_next` shell function in C
 . bisect--helper: `bisect_start` shell function partially in C
 . bisect--helper: `get_terms` & `bisect_terms` shell function in C
 . bisect--helper: `bisect_next_check` & bisect_voc shell function in C
 . bisect--helper: `check_and_set_terms` shell function in C
 . bisect--helper: `bisect_write` shell function in C
 . bisect--helper: `is_expected_rev` & `check_expected_revs` shell function in C
 . bisect--helper: `bisect_reset` shell function in C
 . wrapper: move is_empty_file() and rename it as is_empty_or_missing_file()
 . t6030: explicitly test for bisection cleanup
 . bisect--helper: `bisect_clean_state` shell function in C
 . bisect--helper: `write_terms` shell function in C
 . bisect: rewrite `check_term_format` shell function in C
 . bisect--helper: use OPT_CMDMODE instead of OPT_BOOL

 GSoC "bisect" topic.

 I'd prefer to see early part solidified so that reviews can focus
 on the later part that is still in flux.  We are almost there but
 not quite yet.


* kn/ref-filter-branch-list (2016-05-17) 17 commits
 - branch: implement '--format' option
 - branch: use ref-filter printing APIs
 - branch, tag: use porcelain output
 - ref-filter: allow porcelain to translate messages in the output
 - ref-filter: add `:dir` and `:base` options for ref printing atoms
 - ref-filter: make remote_ref_atom_parser() use refname_atom_parser_internal()
 - ref-filter: introduce symref_atom_parser() and refname_atom_parser()
 - ref-filter: introduce refname_atom_parser_internal()
 - ref-filter: make "%(symref)" atom work with the ':short' modifier
 - ref-filter: add support for %(upstream:track,nobracket)
 - ref-filter: make %(upstream:track) prints "[gone]" for invalid upstreams
 - ref-filter: introduce format_ref_array_item()
 - ref-filter: move get_head_description() from branch.c
 - ref-filter: modify "%(objectname:short)" to take length
 - ref-filter: implement %(if:equals=<string>) and %(if:notequals=<string>)
 - ref-filter: include reference to 'used_atom' within 'atom_value'
 - ref-filter: implement %(if), %(then), and %(else) atoms

 The code to list branches in "git branch" has been consolidated
 with the more generic ref-filter API.

 Rerolled.
 Needs review.


* jc/merge-drop-old-syntax (2015-04-29) 1 commit
 - merge: drop 'git merge <message> HEAD <commit>' syntax

 Stop supporting "git merge <message> HEAD <commit>" syntax that has
 been deprecated since October 2007, and issues a deprecation
 warning message since v2.5.0.

 It has been reported that git-gui still uses the deprecated syntax,
 which needs to be fixed before this final step can proceed.
 cf. <5671DB28.8020901@kdbg.org>

^ permalink raw reply

* Re: [PATCH 2/2] connect: know that zero-ID is not a ref
From: Jeff King @ 2016-09-03  2:17 UTC (permalink / raw)
  To: Shawn Pearce; +Cc: Jonathan Tan, git
In-Reply-To: <CAJo=hJtg1h1Zvu-TjMtDYVjPB2n0pihA18q3sHBPQ_ZA4dWRKg@mail.gmail.com>

On Fri, Sep 02, 2016 at 07:03:30PM -0700, Shawn Pearce wrote:

> > Is it useful for upload-pack? If we have no refs, there's traditionally
> > been nothing to fetch. Perhaps that's something that could change,
> > though. For example, there could be a capability to allow fetching
> > arbitrary sha1s (we have allowTIPSH1InWant and allowReachableSHA1InWant,
> > which obviously both require some refs, but allowArbitrarySHA1 does not
> > seem outside the realm of possibility).
> 
> Its exactly these sort of extra capabilities. We run JGit in modes
> where "out of band" (e.g. URL or higher level protocol framing like an
> undocumented HTTP header) allows the fetch-pack client to say "do not
> send me advertisements, but I want to learn your capabilities". The
> fetch-pack client typically activates the allow-reachable-sha1-in-want
> feature and names specific SHA-1s it wants.

So it sounds like you _could_ enable this only in out-of-band mode,
without loss of functionality.

I don't particularly care either way (I do not run any JGit servers
myself), but if we do it in Git, I think that is the path we should go
for maximum compatibility (and then if we jump to protocol v2, we get to
shed all of the compatibility cruft).

> This allows the fetch-pack client to bypass a very large advertisement
> if it wants only a specific SHA-1 and doesn't care about the ref name
> its bound to, or reachable through.

Yep, definitely a useful thing.

> This is also perhaps a stepping stone towards "client speaks first".
> If we can later standardize an HTTP query parameter or extra HTTP
> header, the server may be able to avoid sending a lot of ref
> advertisements, but would still need to advertise capabilities.

Yes, but that is a big enough jump that we can design it to look like
whatever we want, not shoe-horning it into a pretend ref. Older clients
will be left behind either way, we will need a transition plan, etc.

-Peff

^ permalink raw reply

* [ANNOUNCE] Git v2.10.0
From: Junio C Hamano @ 2016-09-03  2:17 UTC (permalink / raw)
  To: git; +Cc: Linux Kernel

The latest feature release Git v2.10.0 is now available at the
usual places.  It is comprised of 639 non-merge commits since
v2.9.0, contributed by 76 people, 22 of which are new faces.

The tarballs are found at:

    https://www.kernel.org/pub/software/scm/git/

The following public repositories all have a copy of the 'v2.10.0'
tag and the 'master' branch that the tag points at:

  url = https://kernel.googlesource.com/pub/scm/git/git
  url = git://repo.or.cz/alt-git.git
  url = git://git.sourceforge.jp/gitroot/git-core/git.git
  url = git://git-core.git.sourceforge.net/gitroot/git-core/git-core
  url = https://github.com/gitster/git

New contributors whose contributions weren't in v2.9.0 are as follows.
Welcome to the Git development community!

  Alexander Hirsch, Andreas Brauchli, Andrew Oakley, Antoine Queru,
  Ben Wijen, Christopher Layne, Dave Nicolson, David Glasser, Ed
  Maste, Heiko Becker, Ingo Brückl, Jonathan Tan, Jordan DE GEA,
  Josef Kufner, Keith McGuigan, Kevin Willford, LE Manh Cuong,
  Michael Stahl, Parker Moore, Peter Colberg, Tom Russello,
  and William Duclot.

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

  Alex Henrie, Alfred Perlstein, Armin Kunaschik, brian m. carlson,
  Changwoo Ryu, Charles Bailey, Chris Packham, Christian Couder,
  David A. Greene, David Aguilar, David Kastrup, David Turner,
  Edward Thomson, Elia Pinto, Eric Sunshine, Eric Wong, Heiko
  Voigt, Jacob Keller, Jean-Noel Avila, Jeff King, Jiang Xin,
  Joey Hess, Johannes Schindelin, Johannes Sixt, John Keeping,
  Jonathan Nieder, Josh Triplett, Junio C Hamano, Lars Schneider,
  Lars Vogel, Linus Torvalds, Lukas Fleischer, Matthieu Moy,
  Mehul Jain, Michael Haggerty, Michael J Gruber, Mike Hommey,
  Nguyễn Thái Ngọc Duy, Nicolas Pitre, Orgad Shaneh, Patrick
  Steinhardt, Peter Krefting, Pranit Bauva, Ramsay Jones, René
  Scharfe, Ronald Wampler, Stefan Beller, SZEDER Gábor, Thomas
  Braun, Thomas Gummerer, Torsten Bögershausen, Trần Ngọc
  Quân, Vasco Almeida, and Ville Skyttä.

----------------------------------------------------------------

Git 2.10 Release Notes
======================

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

Updates since v2.9
------------------

UI, Workflows & Features

 * "git pull --rebase --verify-signature" learned to warn the user
   that "--verify-signature" is a no-op when rebasing.

 * An upstream project can make a recommendation to shallowly clone
   some submodules in the .gitmodules file it ships.

 * "git worktree add" learned that '-' can be used as a short-hand for
   "@{-1}", the previous branch.

 * Update the funcname definition to support css files.

 * The completion script (in contrib/) learned to complete "git
   status" options.

 * Messages that are generated by auto gc during "git push" on the
   receiving end are now passed back to the sending end in such a way
   that they are shown with "remote: " prefix to avoid confusing the
   users.

 * "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.

 * "upload-pack" allows a custom "git pack-objects" replacement when
   responding to "fetch/clone" via the uploadpack.packObjectsHook.
   (merge b738396 jk/upload-pack-hook later to maint).

 * Teach format-patch and mailsplit (hence "am") how a line that
   happens to begin with "From " in the e-mail message is quoted with
   ">", so that these lines can be restored to their original shape.
   (merge d9925d1 ew/mboxrd-format-am later to maint).

 * "git repack" learned the "--keep-unreachable" option, which sends
   loose unreachable objects to a pack instead of leaving them loose.
   This helps heuristics based on the number of loose objects
   (e.g. "gc --auto").
   (merge e26a8c4 jk/repack-keep-unreachable later to maint).

 * "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.

 * A careless invocation of "git send-email directory/" after editing
   0001-change.patch with an editor often ends up sending both
   0001-change.patch and its backup file, 0001-change.patch~, causing
   embarrassment and a minor confusion.  Detect such an input and
   offer to skip the backup files when sending the patches out.
   (merge 531220b jc/send-email-skip-backup later to maint).

 * "git submodule update" that drives many "git clone" could
   eventually hit flaky servers/network conditions on one of the
   submodules; the command learned to retry the attempt.

 * The output coloring scheme learned two new attributes, italic and
   strike, in addition to existing bold, reverse, etc.

 * "git log" learns log.showSignature configuration variable, and a
   command line option "--no-show-signature" to countermand it.
   (merge fce04c3 mj/log-show-signature-conf later to maint).

 * More markings of messages for i18n, with updates to various tests
   to pass GETTEXT_POISON tests.

 * "git archive" learned to handle files that are larger than 8GB and
   commits far in the future than expressible by the traditional US-TAR
   format.
   (merge 560b0e8 jk/big-and-future-archive-tar later to maint).


 * A new configuration variable core.sshCommand has been added to
   specify what value for GIT_SSH_COMMAND to use per repository.

 * "git worktree prune" protected worktrees that are marked as
   "locked" by creating a file in a known location.  "git worktree"
   command learned a dedicated command pair to create and remove such
   a file, so that the users do not have to do this with editor.

 * A handful of "git svn" updates.

 * "git push" learned to accept and pass extra options to the
   receiving end so that hooks can read and react to them.

 * "git status" learned to suggest "merge --abort" during a conflicted
   merge, just like it already suggests "rebase --abort" during a
   conflicted rebase.

 * "git jump" script (in contrib/) has been updated a bit.
   (merge a91e692 jk/git-jump later to maint).

 * "git push" and "git clone" learned to give better progress meters
   to the end user who is waiting on the terminal.

 * An entry "git log --decorate" for the tip of the current branch is
   shown as "HEAD -> name" (where "name" is the name of the branch);
   the arrow is now painted in the same color as "HEAD", not in the
   color for commits.

 * "git format-patch" learned format.from configuration variable to
   specify the default settings for its "--from" option.

 * "git am -3" calls "git merge-recursive" when it needs to fall back
   to a three-way merge; this call has been turned into an internal
   subroutine call instead of spawning a separate subprocess.

 * The command line completion scripts (in contrib/) now knows about
   "git branch --delete/--move [--remote]".
   (merge 2703c22 vs/completion-branch-fully-spelled-d-m-r later to maint).

 * "git rev-parse --git-path hooks/<hook>" learned to take
   core.hooksPath configuration variable (introduced during 2.9 cycle)
   into account.
   (merge 9445b49 ab/hooks later to maint).

 * "git log --show-signature" and other commands that display the
   verification status of PGP signature now shows the longer key-id,
   as 32-bit key-id is so last century.


Performance, Internal Implementation, Development Support etc.

 * "git fast-import" learned the same performance trick to avoid
   creating too small a packfile as "git fetch" and "git push" have,
   using *.unpackLimit configuration.

 * 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.

 * "git upload-pack" command has been updated to use the parse-options
   API.

 * The "git apply" standalone program is being libified; the first
   step to move many state variables into a structure that can be
   explicitly (re)initialized to make the machinery callable more
   than once has been merged.

 * HTTP transport gained an option to produce more detailed debugging
   trace.
   (merge 73e57aa ep/http-curl-trace later to maint).

 * Instead of taking advantage of the fact that a struct string_list
   that is allocated with all NULs happens to be the INIT_NODUP kind,
   the users of string_list structures are taught to initialize them
   explicitly as such, to document their behaviour better.
   (merge 2721ce2 jk/string-list-static-init later to maint).

 * HTTPd tests learned to show the server error log to help diagnosing
   a failing tests.
   (merge 44f243d nd/test-lib-httpd-show-error-log-in-verbose later to maint).

 * 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.

 * Further preparatory clean-up for "worktree" feature continues.
   (merge 0409e0b nd/worktree-cleanup-post-head-protection later to maint).

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

 * A new run-command API function pipe_command() is introduced to
   sanely feed data to the standard input while capturing data from
   the standard output and the standard error of an external process,
   which is cumbersome to hand-roll correctly without deadlocking.

 * The codepath to sign data in a prepared buffer with GPG has been
   updated to use this API to read from the status-fd to check for
   errors (instead of relying on GPG's exit status).
   (merge efee955 jk/gpg-interface-cleanup later to maint).

 * Allow t/perf framework to use the features from the most recent
   version of Git even when testing an older installed version.

 * The commands in the "log/diff" family have had an FILE* pointer in the
   data structure they pass around for a long time, but some codepaths
   used to always write to the standard output.  As a preparatory step
   to make "git format-patch" available to the internal callers, these
   codepaths have been updated to consistently write into that FILE*
   instead.

 * Conversion from unsigned char sha1[20] to struct object_id
   continues.

 * Improve the look of the way "git fetch" reports what happened to
   each ref that was fetched.

 * The .c/.h sources are marked as such in our .gitattributes file so
   that "git diff -W" and friends would work better.

 * Code clean-up to avoid using a variable string that compilers may
   feel untrustable as printf-style format given to write_file()
   helper function.

 * "git p4" used a location outside $GIT_DIR/refs/ to place its
   temporary branches, which has been moved to refs/git-p4-tmp/.

 * Existing autoconf generated test for the need to link with pthread
   library did not check all the functions from pthread libraries;
   recent FreeBSD has some functions in libc but not others, and we
   mistakenly thought linking with libc is enough when it is not.

 * When "git fsck" reports a broken link (e.g. a tree object contains
   a blob that does not exist), both containing object and the object
   that is referred to were reported with their 40-hex object names.
   The command learned the "--name-objects" option to show the path to
   the containing object from existing refs (e.g. "HEAD~24^2:file.txt").

 * Allow http daemon tests in Travis CI tests.

 * Makefile assumed that -lrt is always available on platforms that
   want to use clock_gettime() and CLOCK_MONOTONIC, which is not a
   case for recent Mac OS X.  The necessary symbols are often found in
   libc on many modern systems and having -lrt on the command line, as
   long as the library exists, had no effect, but when the platform
   removes librt.a that is a different matter--having -lrt will break
   the linkage.

   This change could be seen as a regression for those who do need to
   specify -lrt, as they now specifically ask for NEEDS_LIBRT when
   building. Hopefully they are in the minority these days.

 * Further preparatory work on the refs API before the pluggable
   backend series can land.

 * Error handling in the codepaths that updates refs has been
   improved.

 * The API to iterate over all the refs (i.e. for_each_ref(), etc.)
   has been revamped.

 * The handling of the "text=auto" attribute has been corrected.
   $ echo "* text=auto eol=crlf" >.gitattributes
   used to have the same effect as
   $ echo "* text eol=crlf" >.gitattributes
   i.e. declaring all files are text (ignoring "auto").  The
   combination has been fixed to be equivalent to doing
   $ git config core.autocrlf true

 * Documentation has been updated to show better example usage
   of the updated "text=auto" attribute.

 * A few tests that specifically target "git rebase -i" have been
   added.

 * Dumb http transport on the client side has been optimized.
   (merge ecba195 ew/http-walker later to maint).

 * Users of the parse_options_concat() API function need to allocate
   extra slots in advance and fill them with OPT_END() when they want
   to decide the set of supported options dynamically, which makes the
   code error-prone and hard to read.  This has been corrected by tweaking
   the API to allocate and return a new copy of "struct option" array.

 * "git fetch" exchanges batched have/ack messages between the sender
   and the receiver, initially doubling every time and then falling
   back to enlarge the window size linearly.  The "smart http"
   transport, being an half-duplex protocol, outgrows the preset limit
   too quickly and becomes inefficient when interacting with a large
   repository.  The internal mechanism learned to grow the window size
   more aggressively when working with the "smart http" transport.

 * Tests for "git svn" have been taught to reuse the lib-httpd test
   infrastructure when testing the subversion integration that
   interacts with subversion repositories served over the http://
   protocol.
   (merge a8a5d25 ew/git-svn-http-tests later to maint).

 * "git pack-objects" has a few options that tell it not to pack
   objects found in certain packfiles, which require it to scan .idx
   files of all available packs.  The codepaths involved in these
   operations have been optimized for a common case of not having any
   non-local pack and/or any .kept pack.

 * The t3700 test about "add --chmod=-x" have been made a bit more
   robust and generally cleaned up.
   (merge 766cdc4 ib/t3700-add-chmod-x-updates later to maint).

 * The build procedure learned PAGER_ENV knob that lists what default
   environment variable settings to export for popular pagers.  This
   mechanism is used to tweak the default settings to MORE on FreeBSD.
   (merge 995bc22 ew/build-time-pager-tweaks later to maint).

 * The http-backend (the server-side component of smart-http
   transport) used to trickle the HTTP header one at a time.  Now
   these write(2)s are batched.
   (merge b36045c ew/http-backend-batch-headers later to maint).

 * When "git rebase" tries to compare set of changes on the updated
   upstream and our own branch, it computes patch-id for all of these
   changes and attempts to find matches. This has been optimized by
   lazily computing the full patch-id (which is expensive) to be
   compared only for changes that touch the same set of paths.
   (merge ba67504 kw/patch-ids-optim later to maint).

 * A handful of tests that were broken under gettext-poison build have
   been fixed.

 * The recent i18n patch we added during this cycle did a bit too much
   refactoring of the messages to avoid word-legos; the repetition has
   been reduced to help translators.


Also contains various documentation updates and code clean-ups.


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

Unless otherwise noted, all the fixes since v2.8 in the maintenance
track are contained in this release (see the maintenance releases'
notes for details).

 * 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.

 * compat/regex code did not cleanly compile.

 * 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.

 * 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.

 * A helper function that takes the contents of a commit object and
   finds its subject line did not ignore leading blank lines, as is
   commonly done by other codepaths.  Make it ignore leading blank
   lines to match.

 * For a long time, we carried an in-code comment that said our
   colored output would work only when we use fprintf/fputs on
   Windows, which no longer is the case for the past few years.

 * "gc.autoPackLimit" when set to 1 should not trigger a repacking
   when there is only one pack, but the code counted poorly and did
   so.

 * Add a test to specify the desired behaviour that currently is not
   available in "git rebase -Xsubtree=...".

 * More mark-up updates to typeset strings that are expected to
   literally typed by the end user in fixed-width font.

 * "git commit --amend --allow-empty-message -S" for a commit without
   any message body could have misidentified where the header of the
   commit object ends.

 * "git rebase -i --autostash" did not restore the auto-stashed change
   when the operation was aborted.

 * Git does not know what the contents in the index should be for a
   path added with "git add -N" yet, so "git grep --cached" should not
   show hits (or show lack of hits, with -L) in such a path, but that
   logic does not apply to "git grep", i.e. searching in the working
   tree files.  But we did so by mistake, which has been corrected.

 * "git blame -M" missed a single line that was moved within the file.

 * Fix recently introduced codepaths that are involved in parallel
   submodule operations, which gave up on reading too early, and
   could have wasted CPU while attempting to write under a corner
   case condition.

 * "git grep -i" has been taught to fold case in non-ascii locales
   correctly.

 * A test that unconditionally used "mktemp" learned that the command
   is not necessarily available everywhere.

 * There are certain house-keeping tasks that need to be performed at
   the very beginning of any Git program, and programs that are not
   built-in commands had to do them exactly the same way as "git"
   potty does.  It was easy to make mistakes in one-off standalone
   programs (like test helpers).  A common "main()" function that
   calls cmd_main() of individual program has been introduced to
   make it harder to make mistakes.
   (merge de61ceb jk/common-main later to maint).

 * The test framework learned a new helper test_match_signal to
   check an exit code from getting killed by an expected signal.

 * General code clean-up around a helper function to write a
   single-liner to a file.
   (merge 7eb6e10 jk/write-file later to maint).

 * One part of "git am" had an oddball helper function that called
   stuff from outside "his" as opposed to calling what we have "ours",
   which was not gender-neutral and also inconsistent with the rest of
   the system where outside stuff is usuall called "theirs" in
   contrast to "ours".

 * "git blame file" allowed the lineage of lines in the uncommitted,
   unadded contents of "file" to be inspected, but it refused when
   "file" did not appear in the current commit.  When "file" was
   created by renaming an existing file (but the change has not been
   committed), this restriction was unnecessarily tight.

 * "git add -N dir/file && git write-tree" produced an incorrect tree
   when there are other paths in the same directory that sorts after
   "file".

 * "git fetch http://user:pass@host/repo..." scrubbed the userinfo
   part, but "git push" didn't.

 * "git merge" with renormalization did not work well with
   merge-recursive, due to "safer crlf" conversion kicking in when it
   shouldn't.
   (merge 1335d76 jc/renormalize-merge-kill-safer-crlf later to maint).

 * The use of strbuf in "git rm" to build filename to remove was a bit
   suboptimal, which has been fixed.

 * An age old bug that caused "git diff --ignore-space-at-eol"
   misbehave has been fixed.

 * "git notes merge" had a code to see if a path exists (and fails if
   it does) and then open the path for writing (when it doesn't).
   Replace it with open with O_EXCL.

 * "git pack-objects" and "git index-pack" mostly operate with off_t
   when talking about the offset of objects in a packfile, but there
   were a handful of places that used "unsigned long" to hold that
   value, leading to an unintended truncation.

 * Recent update to "git daemon" tries to enable the socket-level
   KEEPALIVE, but when it is spawned via inetd, the standard input
   file descriptor may not necessarily be connected to a socket.
   Suppress an ENOTSOCK error from setsockopt().

 * Recent FreeBSD stopped making perl available at /usr/bin/perl;
   switch the default the built-in path to /usr/local/bin/perl on not
   too ancient FreeBSD releases.

 * "git commit --help" said "--no-verify" is only about skipping the
   pre-commit hook, and failed to say that it also skipped the
   commit-msg hook.

 * "git merge" in Git v2.9 was taught to forbid merging an unrelated
   lines of history by default, but that is exactly the kind of thing
   the "--rejoin" mode of "git subtree" (in contrib/) wants to do.
   "git subtree" has been taught to use the "--allow-unrelated-histories"
   option to override the default.

 * The build procedure for "git persistent-https" helper (in contrib/)
   has been updated so that it can be built with more recent versions
   of Go.

 * There is an optimization used in "git diff $treeA $treeB" to borrow
   an already checked-out copy in the working tree when it is known to
   be the same as the blob being compared, expecting that open/mmap of
   such a file is faster than reading it from the object store, which
   involves inflating and applying delta.  This however kicked in even
   when the checked-out copy needs to go through the convert-to-git
   conversion (including the clean filter), which defeats the whole
   point of the optimization.  The optimization has been disabled when
   the conversion is necessary.

 * "git -c grep.patternType=extended log --basic-regexp" misbehaved
   because the internal API to access the grep machinery was not
   designed well.

 * Windows port was failing some tests in t4130, due to the lack of
   inum in the returned values by its lstat(2) emulation.

 * The reflog output format is documented better, and a new format
   --date=unix to report the seconds-since-epoch (without timezone)
   has been added.
   (merge 442f6fd jk/reflog-date later to maint).

 * "git difftool <paths>..." started in a subdirectory failed to
   interpret the paths relative to that directory, which has been
   fixed.

 * The characters in the label shown for tags/refs for commits in
   "gitweb" output are now properly escaped for proper HTML output.

 * FreeBSD can lie when asked mtime of a directory, which made the
   untracked cache code to fall back to a slow-path, which in turn
   caused tests in t7063 to fail because it wanted to verify the
   behaviour of the fast-path.

 * Squelch compiler warnings for nedmalloc (in compat/) library.

 * A small memory leak in the command line parsing of "git blame"
   has been plugged.

 * The API documentation for hashmap was unclear if hashmap_entry
   can be safely discarded without any other consideration.  State
   that it is safe to do so.

 * Not-so-recent rewrite of "git am" that started making internal
   calls into the commit machinery had an unintended regression, in
   that no matter how many seconds it took to apply many patches, the
   resulting committer timestamp for the resulting commits were all
   the same.

 * "git push --force-with-lease" already had enough logic to allow
   ensuring that such a push results in creation of a ref (i.e. the
   receiving end did not have another push from sideways that would be
   discarded by our force-pushing), but didn't expose this possibility
   to the users.  It does so now.
   (merge 9eed4f3 jk/push-force-with-lease-creation later to maint).

 * The mechanism to limit the pack window memory size, when packing is
   done using multiple threads (which is the default), is per-thread,
   but this was not documented clearly.
   (merge 954176c ms/document-pack-window-memory-is-per-thread later to maint).

 * "import-tars" fast-import script (in contrib/) used to ignore a
   hardlink target and replaced it with an empty file, which has been
   corrected to record the same blob as the other file the hardlink is
   shared with.
   (merge 04e0869 js/import-tars-hardlinks later to maint).

 * "git mv dir non-existing-dir/" did not work in some environments
   the same way as existing mainstream platforms.  The code now moves
   "dir" to "non-existing-dir", without relying on rename("A", "B/")
   that strips the trailing slash of '/'.
   (merge 189d035 js/mv-dir-to-new-directory later to maint).

 * The "t/" hierarchy is prone to get an unusual pathname; "make test"
   has been taught to make sure they do not contain paths that cannot
   be checked out on Windows (and the mechanism can be reusable to
   catch pathnames that are not portable to other platforms as need
   arises).
   (merge c2cafd3 js/test-lint-pathname later to maint).

 * When "git merge-recursive" works on history with many criss-cross
   merges in "verbose" mode, the names the command assigns to the
   virtual merge bases could have overwritten each other by unintended
   reuse of the same piece of memory.
   (merge 5447a76 rs/pull-signed-tag later to maint).

 * "git checkout --detach <branch>" used to give the same advice
   message as that is issued when "git checkout <tag>" (or anything
   that is not a branch name) is given, but asking with "--detach" is
   an explicit enough sign that the user knows what is going on.  The
   advice message has been squelched in this case.
   (merge 779b88a sb/checkout-explit-detach-no-advice later to maint).

 * "git difftool" by default ignores the error exit from the backend
   commands it spawns, because often they signal that they found
   differences by exiting with a non-zero status code just like "diff"
   does; the exit status codes 126 and above however are special in
   that they are used to signal that the command is not executable,
   does not exist, or killed by a signal.  "git difftool" has been
   taught to notice these exit status codes.
   (merge 45a4f5d jk/difftool-command-not-found later to maint).

 * On Windows, help.browser configuration variable used to be ignored,
   which has been corrected.
   (merge 6db5967 js/no-html-bypass-on-windows later to maint).

 * The "git -c var[=val] cmd" facility to append a configuration
   variable definition at the end of the search order was described in
   git(1) manual page, but not in git-config(1), which was more likely
   place for people to look for when they ask "can I make a one-shot
   override, and if so how?"
   (merge ae1f709 dg/document-git-c-in-git-config-doc later to maint).

 * The tempfile (hence its user lockfile) API lets the caller to open
   a file descriptor to a temporary file, write into it and then
   finalize it by first closing the filehandle and then either
   removing or renaming the temporary file.  When the process spawns a
   subprocess after obtaining the file descriptor, and if the
   subprocess has not exited when the attempt to remove or rename is
   made, the last step fails on Windows, because the subprocess has
   the file descriptor still open.  Open tempfile with O_CLOEXEC flag
   to avoid this (on Windows, this is mapped to O_NOINHERIT).
   (merge 05d1ed6 bw/mingw-avoid-inheriting-fd-to-lockfile later to maint).

 * Correct an age-old calco (is that a typo-like word for calc)
   in the documentation.
   (merge 7841c48 ls/packet-line-protocol-doc-fix later to maint).

 * Other minor clean-ups and documentation updates
   (merge 02a8cfa rs/merge-add-strategies-simplification later to maint).
   (merge af4941d rs/merge-recursive-string-list-init later to maint).
   (merge 1eb47f1 rs/use-strbuf-add-unique-abbrev later to maint).
   (merge ddd0bfa jk/tighten-alloc later to maint).
   (merge ecf30b2 rs/mailinfo-lib later to maint).
   (merge 0eb75ce sg/reflog-past-root later to maint).
   (merge 4369523 hv/doc-commit-reference-style later to maint).

----------------------------------------------------------------

Changes since v2.9.0 are as follows:

Alex Henrie (2):
      unpack-trees: fix English grammar in do-this-before-that messages
      l10n: ca.po: update translation

Alexander Hirsch (1):
      pull: warn on --verify-signatures with --rebase

Alfred Perlstein (1):
      git-svn: document the 'git svn propset' command

Andreas Brauchli (1):
      gitweb: escape link body in format_ref_marker

Andrew Oakley (1):
      git-p4: correct hasBranchPrefix verbose output

Antoine Queru (1):
      upload-pack.c: use parse-options API

Armin Kunaschik (2):
      t7800: readlink may not be available
      t7610: test for mktemp before test execution

Ben Wijen (2):
      t6026-merge-attr: child processes must not inherit index.lock handles
      mingw: ensure temporary file handles are not inherited by child processes

Changwoo Ryu (1):
      l10n: ko.po: Update Korean translation

Charles Bailey (4):
      t7810: fix duplicated test title
      t7810-grep.sh: fix duplicated test name
      t7810-grep.sh: fix a whitespace inconsistency
      grep: fix grepping for "intent to add" files

Chris Packham (1):
      completion: add option '--recurse-submodules' to 'git clone'

Christian Couder (50):
      builtin/apply: make gitdiff_verify_name() return void
      builtin/apply: avoid parameter shadowing 'p_value' global
      builtin/apply: avoid parameter shadowing 'linenr' global
      builtin/apply: avoid local variable shadowing 'len' parameter
      builtin/apply: extract line_by_line_fuzzy_match() from match_fragment()
      builtin/apply: move 'options' variable into cmd_apply()
      builtin/apply: move 'read_stdin' global into cmd_apply()
      builtin/apply: introduce 'struct apply_state' to start libifying
      builtin/apply: move 'state' init into init_apply_state()
      builtin/apply: move 'unidiff_zero' global into 'struct apply_state'
      builtin/apply: move 'check' global into 'struct apply_state'
      builtin/apply: move 'check_index' global into 'struct apply_state'
      builtin/apply: move 'apply_in_reverse' global into 'struct apply_state'
      builtin/apply: move 'apply_with_reject' global into 'struct apply_state'
      builtin/apply: move 'apply_verbosely' global into 'struct apply_state'
      builtin/apply: move 'update_index' global into 'struct apply_state'
      builtin/apply: move 'allow_overlap' global into 'struct apply_state'
      builtin/apply: move 'cached' global into 'struct apply_state'
      builtin/apply: move 'diffstat' global into 'struct apply_state'
      builtin/apply: move 'numstat' global into 'struct apply_state'
      builtin/apply: move 'summary' global into 'struct apply_state'
      builtin/apply: move 'threeway' global into 'struct apply_state'
      builtin/apply: move 'no_add' global into 'struct apply_state'
      builtin/apply: move 'unsafe_paths' global into 'struct apply_state'
      builtin/apply: move 'line_termination' global into 'struct apply_state'
      builtin/apply: move 'fake_ancestor' global into 'struct apply_state'
      builtin/apply: move 'p_context' global into 'struct apply_state'
      builtin/apply: move 'apply' global into 'struct apply_state'
      builtin/apply: move 'patch_input_file' global into 'struct apply_state'
      builtin/apply: move 'limit_by_name' global into 'struct apply_state'
      builtin/apply: move 'has_include' global into 'struct apply_state'
      builtin/apply: move 'p_value' global into 'struct apply_state'
      builtin/apply: move 'p_value_known' global into 'struct apply_state'
      builtin/apply: move 'root' global into 'struct apply_state'
      builtin/apply: move 'whitespace_error' global into 'struct apply_state'
      builtin/apply: move 'whitespace_option' into 'struct apply_state'
      builtin/apply: remove whitespace_option arg from set_default_whitespace_mode()
      builtin/apply: move 'squelch_whitespace_errors' into 'struct apply_state'
      builtin/apply: move 'applied_after_fixing_ws' into 'struct apply_state'
      builtin/apply: move 'ws_error_action' into 'struct apply_state'
      builtin/apply: move 'ws_ignore_action' into 'struct apply_state'
      builtin/apply: move 'max_change' and 'max_len' into 'struct apply_state'
      builtin/apply: move 'state_linenr' global into 'struct apply_state'
      builtin/apply: move 'fn_table' global into 'struct apply_state'
      builtin/apply: move 'symlink_changes' global into 'struct apply_state'
      builtin/apply: move 'state' check into check_apply_state()
      builtin/apply: move applying patches into apply_all_patches()
      builtin/apply: add 'lock_file' pointer into 'struct apply_state'
      builtin/apply: move 'newfd' global into 'struct apply_state'
      .mailmap: use Christian Couder's Tuxfamily address

Christopher Layne (1):
      git-svn: clone: Fail on missing url argument

Dave Nicolson (1):
      Documentation: GPG capitalization

David A. Greene (1):
      contrib/subtree: Add a test for subtree rebase that loses commits

David Aguilar (6):
      t7900-subtree.sh: fix quoting and broken && chains
      subtree: fix "git subtree split --rejoin"
      subtree: adjust style to match CodingGuidelines
      subtree: adjust function definitions to match CodingGuidelines
      difftool: avoid $GIT_DIR and $GIT_WORK_TREE
      difftool: use Git::* functions instead of passing around state

David Glasser (1):
      doc: mention `git -c` in git-config(1)

David Kastrup (1):
      blame: require 0 context lines while finding moved lines with -M

David Turner (3):
      refs: allow log-only updates
      refs: don't dereference on rename
      mailmap: use main email address for dturner

Ed Maste (1):
      rebase: update comment about FreeBSD /bin/sh

Edward Thomson (2):
      format_commit_message: honor `color=auto` for `%C(auto)`
      add: add --chmod=+x / --chmod=-x options

Elia Pinto (2):
      http.c: implement the GIT_TRACE_CURL environment variable
      imap-send.c: introduce the GIT_TRACE_CURL enviroment variable

Eric Sunshine (1):
      blame: drop strdup of string literal

Eric Wong (24):
      fast-import: implement unpack limit
      daemon: enable SO_KEEPALIVE for all sockets
      fast-import: invalidate pack_id references after loosening
      pretty: support "mboxrd" output format
      mailsplit: support unescaping mboxrd messages
      am: support --patch-format=mboxrd
      git-svn: skip mergeinfo handling with --no-follow-parent
      gc: fix off-by-one error with gc.autoPackLimit
      xread: retry after poll on EAGAIN/EWOULDBLOCK
      xwrite: poll on non-blocking FDs
      git-svn: warn instead of dying when commit data is missing
      hoist out handle_nonblock function for xread and xwrite
      config.mak.uname: define NEEDS_LIBRT under Linux, for now
      http-walker: remove unused parameter from fetch_object
      http: avoid disconnecting on 404s for loose objects
      http-walker: reduce O(n) ops with doubly-linked list
      list: avoid incompatibility with *BSD sys/queue.h
      daemon: ignore ENOTSOCK from setsockopt
      configure.ac: stronger test for pthread linkage
      git-svn: document svn.authorsProg in config
      git-svn: allow --version to work anywhere
      git svn: migrate tests to use lib-httpd
      pager: move pager-specific setup into the build
      http-backend: buffer headers before sending

Heiko Becker (1):
      gnome-keyring: Don't hard-code pkg-config executable

Heiko Voigt (4):
      submodule-config: passing name reference for .gitmodule blobs
      submodule-config: combine early return code into one goto
      submodule-config: fix test binary crashing when no arguments given
      SubmittingPatches: document how to reference previous commits

Ingo Brückl (3):
      t3700: remove unwanted leftover files before running new tests
      t3700: merge two tests into one
      t3700: add a test_mode_in_index helper function

Jacob Keller (1):
      completion: add completion for --submodule=* diff option

Jean-Noel Avila (4):
      i18n: fix typos for translation
      i18n: fix git rebase interactive commit messages
      i18n: simplify numeric error reporting
      l10n: fr.po v2.10.0-rc2

Jeff King (107):
      git_config_with_options: drop "found" counting
      git_config_parse_parameter: refactor cleanup code
      config: set up config_source for command-line config
      config: return configset value for current_config_ functions
      config: add a notion of "scope"
      upload-pack: provide a hook for running pack-objects
      rev-list: "adjust" results of "--count --use-bitmap-index -n"
      rev-list: disable bitmaps when "-n" is used with listing objects
      tree-diff: avoid alloca for large allocations
      send-pack: use buffered I/O to talk to pack-objects
      parse_opt_string_list: stop allocating new strings
      interpret-trailers: don't duplicate option strings
      blame,shortlog: don't make local option variables static
      use string_list initializer consistently
      fetch: document that pruning happens before fetching
      repack: document --unpack-unreachable option
      repack: add --keep-unreachable option
      repack: extend --keep-unreachable to loose objects
      add--interactive: respect diff.compactionHeuristic
      bisect: always call setup_revisions after init_revisions
      gpg-interface: use child_process.args
      verify_signed_buffer: drop pbuf variable
      verify_signed_buffer: use tempfile object
      run-command: add pipe_command helper
      verify_signed_buffer: use pipe_command
      sign_buffer: use pipe_command
      t0006: rename test-date's "show" to "relative"
      t0006: test various date formats
      local_tzoffset: detect errors from tm_to_time_t
      t/perf: fix regression in testing older versions of git
      p4211: explicitly disable renames in no-rename test
      color: fix max-size comment
      doc: refactor description of color format
      add skip_prefix_mem helper
      color: refactor parse_attr
      color: allow "no-" for negating attributes
      color: support "italic" attribute
      color: support strike-through attribute
      t9300: factor out portable "head -c" replacement
      t5000: test tar files that overflow ustar headers
      archive-tar: write extended headers for file sizes >= 8GB
      archive-tar: write extended headers for far-future mtime
      archive-tar: drop return value
      add an extra level of indirection to main()
      common-main: call git_extract_argv0_path()
      common-main: call sanitize_stdfds()
      common-main: call restore_sigpipe_to_default()
      common-main: call git_setup_gettext()
      tests: factor portable signal check out of t0005
      t0005: use test_match_signal as appropriate
      test_must_fail: use test_match_signal
      t/lib-git-daemon: use test_match_signal
      parse_options: allocate a new array when concatenating
      Makefile: drop extra dependencies for test helpers
      Makefile: use VCSSVN_LIB to refer to svn library
      config: fix bogus fd check when setting up default config
      branch: use non-gentle write_file for branch description
      write_file: drop "gently" form
      write_file: use xopen
      write_file: add pointer+len variant
      write_file: add format attribute
      use write_file_buf where applicable
      branch: use write_file_buf instead of write_file
      walker: let walker_say take arbitrary formats
      avoid using sha1_to_hex output as printf format
      push: anonymize URL in status output
      t0006: skip "far in the future" test when unsigned long is not long enough
      check_everything_connected: always pass --quiet to rev-list
      rev-list: add optional progress reporting
      check_everything_connected: convert to argv_array
      check_everything_connected: use a struct with named options
      check_connected: relay errors to alternate descriptor
      check_connected: add progress flag
      clone: use a real progress meter for connectivity check
      index-pack: add flag for showing delta-resolution progress
      receive-pack: turn on index-pack resolving progress
      receive-pack: relay connectivity errors to sideband
      receive-pack: turn on connectivity progress
      receive-pack: send keepalives during quiet periods
      t5541: fix url scrubbing test when GPG is not set
      diff: do not reuse worktree files that need "clean" conversion
      contrib/git-jump: fix greedy regex when matching hunks
      contrib/git-jump: add whitespace-checking mode
      contrib/git-jump: fix typo in README
      doc/rev-list-options: clarify "commit@{Nth}" for "-g" option
      doc/rev-list-options: explain "-g" output formats
      doc/pretty-formats: describe index/time formats for %gd
      doc/pretty-formats: explain shortening of %gd
      t4205: drop top-level &&-chaining
      t4205: indent here documents
      date: document and test "raw-local" mode
      date: add "unix" format
      t/perf: add tests for many-pack scenarios
      sha1_file: drop free_pack_by_name
      add generic most-recently-used list
      find_pack_entry: replace last_found_pack with MRU cache
      pack-objects: break out of want_object loop early
      pack-objects: compute local/ignore_pack_keep early
      am: reset cached ident date for each patch
      trace: handle NULL argument in trace_disable()
      trace: stop using write_or_whine_pipe()
      trace: use warning() for printing trace errors
      trace: cosmetic fixes for error messages
      trace: correct variable name in write() error message
      trace: disable key after write error
      write_or_die: drop write_or_whine_pipe()
      trace: do not fall back to stderr

Jiang Xin (3):
      l10n: git.pot: v2.10.0 round 1 (248 new, 56 removed)
      l10n: git.pot: v2.10.0 round 2 (12 new, 44 removed)
      l10n: zh_CN: for git v2.10.0 l10n round 2

Joey Hess (1):
      clarify %f documentation

Johannes Schindelin (59):
      mingw: let the build succeed with DEVELOPER=1
      perf: accommodate for MacOSX
      pretty: make the skip_blank_lines() function public
      commit.c: make find_commit_subject() more robust
      t2300: "git --exec-path" is not usable in $PATH on Windows as-is
      log: prepare log/log-tree to reuse the diffopt.close_file attribute
      log-tree: respect diffopt's configured output file stream
      line-log: respect diffopt's configured output file stream
      graph: respect the diffopt.file setting
      shortlog: support outputting to streams other than stdout
      format-patch: explicitly switch off color when writing to files
      format-patch: avoid freopen()
      format-patch: use stdout directly
      shortlog: respect the --output=<file> setting
      t4211: ensure that log respects --output=<file>
      color.h: remove obsolete comment about limitations on Windows
      diff: do not color output when --color=auto and --output=<file> is given
      t3404: fix a grammo (commands are ran -> commands are run)
      commit -C: skip blank lines at the beginning of the message
      sequencer: use skip_blank_lines() to find the commit subject
      reset --hard: skip blank lines when reporting the commit subject
      commit -S: avoid invalid pointer with empty message
      mingw: declare main()'s argv as const
      t3404: add a test for the --gpg-sign option
      rebase -i: demonstrate a bug with --autosquash
      rebase -i: we allow extra spaces after fixup!/squash!
      am: counteract gender bias
      diff: demonstrate a bug with --patience and --ignore-space-at-eol
      diff: fix a double off-by-one with --ignore-space-at-eol
      t/test-lib.sh: fix running tests with --valgrind
      mingw: fix the shortlog --output=<file> test
      mingw: fix regression in t1308-config-set
      fsck: refactor how to describe objects
      fsck_walk(): optionally name objects on the go
      fsck: give the error function a chance to see the fsck_options
      fsck: optionally show more helpful info for broken links
      t5520: verify that `pull --rebase` shows the helpful advice when failing
      die("bug"): report bugs consistently
      die(_("BUG")): avoid translating bug messages
      merge-recursive: clarify code in was_tracked()
      prepare the builtins for a libified merge_recursive()
      merge_recursive: abort properly upon errors
      merge-recursive: avoid returning a wholesale struct
      merge-recursive: allow write_tree_from_memory() to error out
      merge-recursive: handle return values indicating errors
      merge-recursive: switch to returning errors instead of dying
      am -3: use merge_recursive() directly again
      merge-recursive: flush output buffer before printing error messages
      merge-recursive: write the commit title in one go
      merge-recursive: offer an option to retain the output in 'obuf'
      merge_trees(): ensure that the callers release output buffer
      merge-recursive: flush output buffer even when erroring out
      import-tars: support hard links
      t5533: make it pass on case-sensitive filesystems
      nedmalloc: fix misleading indentation
      git mv: do not keep slash in `git mv dir non-existing-dir/`
      t/Makefile: ensure that paths are valid on platforms we care
      rev-parse: respect core.hooksPath in --git-path
      Revert "display HTML in default browser using Windows' shell API"

Johannes Sixt (7):
      Windows: add missing definition of ENOTSOCK
      git-submodule: forward exit code of git-submodule--helper more faithfully
      submodule-helper: fix indexing in clone retry error reporting path
      rebase-interactive: trim leading whitespace from progress count
      t4130: work around Windows limitation
      config.c: avoid duplicated global static variables
      commit-slab.h: avoid duplicated global static variables

John Keeping (5):
      difftool: fix argument handling in subdirs
      Documentation/git-push: fix placeholder formatting
      push: add shorthand for --force-with-lease branch creation
      push: allow pushing new branches with --force-with-lease
      difftool: always honor fatal error exit codes

Jonathan Nieder (1):
      doc: git-htmldocs.googlecode.com is no more

Jonathan Tan (1):
      fetch-pack: grow stateless RPC windows exponentially

Jordan DE GEA (1):
      worktree: allow "-" short-hand for @{-1} in add command

Josef Kufner (1):
      pretty: pass graph width to pretty formatting for use in '%>|(N)'

Josh Triplett (1):
      format-patch: format.from gives the default for --from

Junio C Hamano (44):
      send-email: detect and offer to skip backup files
      pathspec: rename free_pathspec() to clear_pathspec()
      t1308: do not get fooled by symbolic links to the source tree
      builtin/apply: remove misleading comment on lock_file field
      blame, line-log: do not loop around deref_tag()
      Start the post-2.9 cycle
      clone: do not let --depth imply --shallow-submodules
      Start preparing for 2.9.1
      Second batch of topics for 2.10
      More fixes for 2.9.1
      Third batch of topics for 2.10
      commit.c: remove print_commit_list()
      Fourth batch of topics for 2.10
      Git 2.9.1
      merge: avoid "safer crlf" during recording of merge results
      Fifth batch of topics for 2.10
      diff: document diff-filter exclusion
      Git 2.9.2
      archive-tar: huge offset and future timestamps would not work on 32-bit
      Sixth batch of topics for 2.10
      grep: further simplify setting the pattern type
      Seventh batch of topics for 2.10
      date: clarify --date=raw description
      Some fixes for 2.9.3
      t9100: portability fix
      Eighth batch of topics for 2.10
      hashmap: clarify that hashmap_entry can safely be discarded
      Ninth batch of topics for 2.10
      Tenth batch for 2.10
      Hopefully final batch for 2.9.3
      Eleventh batch for 2.10
      Yet another batch for 2.9.3
      Twelfth batch for 2.10
      Git 2.9.3
      Final batch before 2.10-rc0
      Git 2.10-rc0
      Relnotes: decribe the updates to the "text=auto" attribute
      relnotes: redo the description of text=auto fix
      RelNotes: final batch of topics before -rc1
      Git 2.10-rc1
      Prepare for 2.10.0-rc2
      Git 2.10-rc2
      A few more fixes before the final 2.10
      Git 2.10

Keith McGuigan (1):
      builtin/fetch.c: don't free remote->name after fetch

Kevin Willford (4):
      patch-ids: stop using a hand-rolled hashmap implementation
      patch-ids: replace the seen indicator with a commit pointer
      patch-ids: add flag to create the diff patch id using header only data
      rebase: avoid computing unnecessary patch IDs

LE Manh Cuong (1):
      sh-setup: enclose setting of ${VAR=default} in double-quotes

Lars Schneider (3):
      git-p4: place temporary refs used for branch import under refs/git-p4-tmp
      travis-ci: enable web server tests t55xx on Linux
      pack-protocol: fix maximum pkt-line size

Lars Vogel (1):
      Use "working tree" instead of "working directory" for git status

Linus Torvalds (1):
      gpg-interface: prefer "long" key format output when verifying pgp signatures

Lukas Fleischer (4):
      receive-pack: send auto-gc output over sideband 2
      sideband.c: make send_sideband() return void
      upload-pack.c: make send_client_data() return void
      sideband.c: refactor recv_sideband()

Matthieu Moy (9):
      Documentation/git-mv.txt: fix whitespace indentation
      doc: typeset short command-line options as literal
      doc: typeset long command-line options as literal
      doc: typeset '--' as literal
      doc: typeset long options with argument as literal
      CodingGuidelines: formatting HEAD in documentation
      doc: typeset HEAD and variants as literal
      status: suggest 'git merge --abort' when appropriate
      git-multimail: update to release 1.4.0

Mehul Jain (3):
      t4202: refactor test
      log: add "--no-show-signature" command line option
      log: add log.showSignature configuration variable

Michael Haggerty (50):
      t1404: demonstrate a bug resolving references
      commit_ref(): if there is an empty dir in the way, delete it
      read_raw_ref(): don't get confused by an empty directory
      safe_create_leading_directories(): improve docstring
      remove_dir_recursively(): add docstring
      refname_is_safe(): use skip_prefix()
      refname_is_safe(): don't allow the empty string
      refname_is_safe(): insist that the refname already be normalized
      commit_ref_update(): write error message to *err, not stderr
      rename_ref(): remove unneeded local variable
      ref_transaction_commit(): remove local variables n and updates
      read_raw_ref(): rename flags argument to type
      read_raw_ref(): clear *type at start of function
      read_raw_ref(): rename symref argument to referent
      read_raw_ref(): improve docstring
      read_raw_ref(): move docstring to header file
      lock_ref_sha1_basic(): remove unneeded local variable
      refs: make error messages more consistent
      ref_transaction_create(): disallow recursive pruning
      ref_transaction_commit(): correctly report close_ref() failure
      delete_branches(): use resolve_refdup()
      verify_refname_available(): adjust constness in declaration
      add_update(): initialize the whole ref_update
      lock_ref_for_update(): new function
      unlock_ref(): move definition higher in the file
      ref_transaction_update(): check refname_is_safe() at a minimum
      refs: resolve symbolic refs first
      lock_ref_for_update(): don't re-read non-symbolic references
      lock_ref_for_update(): don't resolve symrefs
      commit_ref_update(): remove the flags parameter
      lock_ref_sha1_basic(): only handle REF_NODEREF mode
      refs: remove unnecessary "extern" keywords
      do_for_each_ref(): move docstring to the header file
      refs: use name "prefix" consistently
      delete_refs(): add a flags argument
      remote rm: handle symbolic refs correctly
      get_ref_cache(): only create an instance if there is a submodule
      entry_resolves_to_object(): rename function from ref_resolves_to_object()
      ref_resolves_to_object(): new function
      refs: introduce an iterator interface
      do_for_each_ref(): reimplement using reference iteration
      for_each_reflog(): don't abort for bad references
      dir_iterator: new API for iterating over a directory tree
      for_each_reflog(): reimplement using iterators
      t1404: rename file to t1404-update-ref-errors.sh
      t1404: remove "prefix" argument to test_update_rejected
      t1404: document function test_update_rejected
      t1404: add more tests of update-ref error handling
      lock_ref_for_update(): make error handling more uniform
      lock_ref_for_update(): avoid a symref resolution

Michael J Gruber (7):
      cherry-pick: allow to pick to unborn branches
      Documentation/technical: describe signature formats
      Documentation/technical: signed tag format
      Documentation/technical: signed commit format
      Documentation/technical: signed merge tag format
      gpg-interface: check gpg signature creation status
      t/t91*: do not say how to avoid the tests

Michael Stahl (1):
      document git-repack interaction of pack.threads and pack.windowMemory

Mike Hommey (2):
      blame: allow to blame paths freshly added to the index
      t/t8003-blame-corner-cases.sh: Use here documents

Nguyễn Thái Ngọc Duy (47):
      completion: support git-worktree
      worktree.c: rewrite mark_current_worktree() to avoid strbuf
      git-worktree.txt: keep subcommand listing in alphabetical order
      worktree.c: use is_dot_or_dotdot()
      worktree: avoid 0{40}, too many zeroes, hard to read
      worktree: simplify prefixing paths
      worktree.c: add find_worktree()
      worktree.c: add is_main_worktree()
      lib-httpd.sh: print error.log on error
      worktree.c: add is_worktree_locked()
      pretty.c: support <direction>|(<negative number>) forms
      new-command.txt: correct the command description file
      grep: break down an "if" stmt in preparation for next changes
      test-regex: isolate the bug test code
      test-regex: expose full regcomp() to the command line
      grep/icase: avoid kwsset on literal non-ascii strings
      git-fetch.txt: document fetch output
      fetch: refactor ref update status formatting code
      fetch: change flag code for displaying tag update and deleted ref
      grep/icase: avoid kwsset when -F is specified
      grep: rewrite an if/else condition to avoid duplicate expression
      grep/pcre: prepare locale-dependent tables for icase matching
      gettext: add is_utf8_locale()
      grep/pcre: support utf-8
      diffcore-pickaxe: Add regcomp_or_die()
      diffcore-pickaxe: support case insensitive match on non-ascii
      grep.c: reuse "icase" variable
      fetch: align all "remote -> local" output
      fetch: reduce duplicate in ref update status lines with placeholder
      connect: read $GIT_SSH_COMMAND from config file
      worktree: add "lock" command
      worktree: add "unlock" command
      worktree.c: find_worktree() search by path suffix
      pack-objects: pass length to check_pack_crc() without truncation
      log: decorate HEAD -> branch with the same color for arrow and HEAD
      sha1_file.c: use type off_t* for object_info->disk_sizep
      index-pack: correct "len" type in unpack_data()
      index-pack: report correct bad object offsets even if they are large
      index-pack: correct "offset" type in unpack_entry_data()
      pack-objects: do not truncate result in-pack object size on 32-bit systems
      fsck: use streaming interface for large blobs in pack
      test-lib.sh: introduce and use $EMPTY_TREE
      test-lib.sh: introduce and use $EMPTY_BLOB
      cache-tree.c: fix i-t-a entry skipping directory updates sometimes
      cache-tree: do not generate empty trees as a result of all i-t-a subentries
      config.mak.uname: correct perl path on FreeBSD
      t7063: work around FreeBSD's lazy mtime update feature

Nicolas Pitre (1):
      sideband.c: small optimization of strbuf usage

Orgad Shaneh (1):
      commit: describe that --no-verify skips the commit-msg hook in the help text

Parker Moore (2):
      contrib/persistent-https: update ldflags syntax for Go 1.7+
      contrib/persistent-https: use Git version for build label

Patrick Steinhardt (1):
      rebase -i: restore autostash on abort

Peter Colberg (2):
      refs.h: fix misspelt "occurred" in a comment
      config.c: fix misspelt "occurred" in an error message

Peter Krefting (1):
      l10n: sv.po: Update Swedish translation (2757t0f0u)

Pranit Bauva (2):
      builtin/commit.c: memoize git-path for COMMIT_EDITMSG
      strbuf: describe the return value of strbuf_read_file

Ramsay Jones (2):
      regex: fix a SIZE_MAX macro redefinition warning
      write_or_die: remove the unused write_or_whine() function

René Scharfe (34):
      t4051: rewrite, add more tests
      xdiff: factor out match_func_rec()
      xdiff: handle appended chunks better with -W
      xdiff: ignore empty lines before added functions with -W
      xdiff: -W: don't include common trailing empty lines in context
      xdiff: don't trim common tail with -W
      t7810: add test for grep -W and trailing empty context lines
      grep: -W: don't extend context to trailing empty lines
      xdiff: fix merging of appended hunk with -W
      .gitattributes: set file type for C files
      notes-merge: use O_EXCL to avoid overwriting existing files
      am: ignore return value of write_file()
      rm: reuse strbuf for all remove_dir_recursively() calls
      worktree: use strbuf_add_absolute_path() directly
      use strbuf_addbuf() for appending a strbuf to another
      submodule-config: use explicit empty string instead of strbuf in config_from()
      strbuf: avoid calling strbuf_grow() twice in strbuf_addbuf()
      use strbuf_addstr() for adding constant strings to a strbuf
      pass constants as first argument to st_mult()
      use strbuf_addstr() instead of strbuf_addf() with "%s"
      use CHILD_PROCESS_INIT to initialize automatic variables
      merge-recursive: use STRING_LIST_INIT_NODUP
      merge: use string_list_split() in add_strategies()
      nedmalloc: work around overzealous GCC 6 warning
      archive-tar: make write_extended_header() void
      use strbuf_add_unique_abbrev() for adding short hashes
      correct FLEXPTR_* example in comment
      mailinfo: recycle strbuf in check_header()
      commit: use xstrdup() in get_merge_parent()
      commit: factor out set_merge_remote_desc()
      merge-recursive: fix verbose output for multiple base trees
      commit: use FLEX_ARRAY in struct merge_remote_desc
      receive-pack: use FLEX_ALLOC_MEM in queue_command()
      p3400: make test script executable

Ronald Wampler (1):
      Makefile: add NEEDS_LIBRT to optionally link with librt

SZEDER Gábor (2):
      reflog: continue walking the reflog past root commits
      t1410: remove superfluous 'git reflog' from the 'walk past root' test

Stefan Beller (23):
      submodule update: make use of the existing fetch_in_submodule function
      submodule-config: keep shallow recommendation around
      submodule update: learn `--[no-]recommend-shallow` option
      submodule--helper: initial clone learns retry logic
      submodule update: continue when a clone fails
      t5614: don't use subshells
      push options: {pre,post}-receive hook learns about push options
      receive-pack: implement advertising and receiving push options
      push: accept push options
      add a test for push options
      Documentation: pack-protocol correct NAK response
      submodule deinit: remove outdated comment
      t7406: future proof tests with hard coded depth
      submodule update: respect depth in subsequent fetches
      submodule update: narrow scope of local variable
      submodule--helper: fix usage string for relative-path
      submodule-config: keep configured branch around
      gitmodules: document shallow recommendation
      submodule--helper: add remote-branch helper
      submodule update: allow '.' for branch value
      submodule--helper: use parallel processor correctly
      t7406: fix breakage on OSX
      checkout: do not mention detach advice for explicit --detach option

Thomas Braun (3):
      completion: factor out untracked file modes into a variable
      completion: add __git_get_option_value helper
      completion: add git status

Thomas Gummerer (1):
      blame: fix segfault on untracked files

Tom Russello (4):
      doc: clearer rule about formatting literals
      doc: change environment variables format
      doc: more consistency in environment variables format
      doc: change configuration variables format

Torsten Bögershausen (4):
      convert: unify the "auto" handling of CRLF
      convert: Correct NNO tests and missing `LF will be replaced by CRLF`
      git ls-files: text=auto eol=lf is supported in Git 2.10
      gitattributes: Document the unified "auto" handling

Trần Ngọc Quân (2):
      l10n: Updated Vietnamese translation for v2.10.0 (2789t)
      l10n: Updated Vietnamese translation for v2.10.0-rc2 (2757t)

Vasco Almeida (49):
      i18n: builtin/remote.c: fix mark for translation
      i18n: advice: mark string about detached head for translation
      i18n: advice: internationalize message for conflicts
      i18n: transport: mark strings for translation
      i18n: sequencer: mark entire sentences for translation
      i18n: rebase-interactive: mark here-doc strings for translation
      i18n: sequencer: mark string for translation
      i18n: rebase-interactive: mark comments of squash for translation
      i18n: merge-octopus: mark messages for translation
      i18n: setup: mark strings for translation
      merge-octopus: use die shell function from git-sh-setup.sh
      tests: use test_i18n* functions to suppress false positives
      i18n: rebase: fix marked string to use eval_gettext variant
      tests: unpack-trees: update to use test_i18n* functions
      i18n: rebase: mark placeholder for translation
      t9003: become resilient to GETTEXT_POISON
      i18n: bisect: simplify error message for i18n
      t4153: fix negated test_i18ngrep call
      t6030: update to use test_i18ncmp
      t5523: use test_i18ngrep for negation
      i18n: git-sh-setup.sh: mark strings for translation
      i18n: bisect: mark strings for translation
      i18n: rebase-interactive: mark strings for translation
      i18n: transport-helper.c: change N_() call to _()
      i18n: notes: mark strings for translation
      i18n: notes: mark options for translation
      i18n: merge: mark messages for translation
      i18n: merge: change command option help to lowercase
      i18n: sequencer: add period to error message
      i18n: standardise messages
      i18n: remote: mark URL fallback text for translation
      i18n: remote: allow translations to reorder message
      i18n: init-db: join message pieces
      i18n: submodule: join strings marked for translation
      i18n: submodule: escape shell variables inside eval_gettext
      i18n: unmark die messages for translation
      i18n: branch: mark comment when editing branch description for translation
      t5541: become resilient to GETTEXT_POISON
      t5510: skip tests under GETTEXT_POISON build
      i18n: notes: mark comment for translation
      i18n: config: unfold error messages marked for translation
      i18n: setup: mark error messages for translation
      i18n: archive: mark errors for translation
      i18n: git-stash: mark messages for translation
      t3404: become resilient to GETTEXT_POISON
      t5520: become resilient to GETTEXT_POISON
      t7411: become resilient to GETTEXT_POISON
      l10n: pt_PT: merge git.pot
      l10n: pt_PT: update Portuguese translation

Ville Skyttä (3):
      git-prompt.sh: Don't error on null ${ZSH,BASH}_VERSION, $short_sha
      completion: complete --delete, --move, and --remotes for git branch
      Spelling fixes

William Duclot (1):
      userdiff: add built-in pattern for CSS

brian m. carlson (11):
      hex: add oid_to_hex_r()
      contrib/coccinelle: add basic Coccinelle transforms
      coccinelle: convert hashcpy() with null_sha1 to hashclr()
      coccinelle: apply object_id Coccinelle transformations
      diff: convert struct diff_filespec to struct object_id
      diff: rename struct diff_filespec's sha1_valid member
      merge-recursive: convert struct stage_data to use object_id
      merge-recursive: convert struct merge_file_info to object_id
      merge-recursive: convert leaf functions to use struct object_id
      merge-recursive: convert merge_recursive_generic() to object_id
      diff: convert prep_temp_blob() to struct object_id


^ permalink raw reply

* A note from the maintainer
From: Junio C Hamano @ 2016-09-03  2:17 UTC (permalink / raw)
  To: git

Welcome to the Git development community.

This message is written by the maintainer and talks about how Git
project is managed, and how you can work with it.

* Mailing list and the community

The development is primarily done on the Git mailing list. Help
requests, feature proposals, bug reports and patches should be sent to
the list address <git@vger.kernel.org>.  You don't have to be
subscribed to send messages.  The convention on the list is to keep
everybody involved on Cc:, so it is unnecessary to say "Please Cc: me,
I am not subscribed".

Before sending patches, please read Documentation/SubmittingPatches
and Documentation/CodingGuidelines to familiarize yourself with the
project convention.

If you sent a patch and you did not hear any response from anybody for
several days, it could be that your patch was totally uninteresting,
but it also is possible that it was simply lost in the noise.  Please
do not hesitate to send a reminder message in such a case.  Messages
getting lost in the noise may be a sign that those who can evaluate
your patch don't have enough mental/time bandwidth to process them
right at the moment, and it often helps to wait until the list traffic
becomes calmer before sending such a reminder.

The list archive is available at a few public sites:

        http://public-inbox.org/git/
        http://marc.info/?l=git
        http://www.spinics.net/lists/git/

For those who prefer to read it over NNTP:

	nntp://news.gmane.org/gmane.comp.version-control.git
        nntp://news.public-inbox.org/inbox.comp.version-control.git

are available.

When you point at a message in a mailing list archive, using its
message ID is often the most robust (if not very friendly) way to do
so, like this:

	http://public-inbox.org/git/Pine.LNX.4.58.0504150753440.7211@ppc970.osdl.org

Often these web interfaces accept the message ID with enclosing <>
stripped (like the above example to point at one of the most important
message in the Git list).

Some members of the development community can sometimes be found on
the #git and #git-devel IRC channels on Freenode.  Their logs are
available at:

        http://colabti.org/irclogger/irclogger_log/git
        http://colabti.org/irclogger/irclogger_log/git-devel

There is a volunteer-run newsletter to serve our community ("Git Rev
News" http://git.github.io/rev_news/rev_news.html).

Git is a member project of software freedom conservancy, a non-profit
organization (https://sfconservancy.org/).  To reach a committee of
liaisons to the conservancy, contact them at <git@sfconservancy.org>.


* Reporting bugs

When you think git does not behave as you expect, please do not stop
your bug report with just "git does not work".  "I used git in this
way, but it did not work" is not much better, neither is "I used git
in this way, and X happend, which is broken".  It often is that git is
correct to cause X happen in such a case, and it is your expectation
that is broken. People would not know what other result Y you expected
to see instead of X, if you left it unsaid.

Please remember to always state

 - what you wanted to achieve;

 - what you did (the version of git and the command sequence to reproduce
   the behavior);

 - what you saw happen (X above);

 - what you expected to see (Y above); and

 - how the last two are different.

See http://www.chiark.greenend.org.uk/~sgtatham/bugs.html for further
hints.

If you think you found a security-sensitive issue and want to disclose
it to us without announcing it to wider public, please contact us at
our security mailing list <git-security@googlegroups.com>.  This is
a closed list that is limited to people who need to know early about
vulnerabilities, including:

  - people triaging and fixing reported vulnerabilities
  - people operating major git hosting sites with many users
  - people packaging and distributing git to large numbers of people

where these issues are discussed without risk of the information
leaking out before we're ready to make public announcements.


* Repositories and documentation.

My public git.git repositories are at:

  git://git.kernel.org/pub/scm/git/git.git/
  https://kernel.googlesource.com/pub/scm/git/git
  git://repo.or.cz/alt-git.git/
  https://github.com/git/git/
  git://git.sourceforge.jp/gitroot/git-core/git.git/
  git://git-core.git.sourceforge.net/gitroot/git-core/git-core/

A few web interfaces are found at:

  http://git.kernel.org/cgit/git/git.git
  https://kernel.googlesource.com/pub/scm/git/git
  http://repo.or.cz/w/alt-git.git

Preformatted documentation from the tip of the "master" branch can be
found in:

  git://git.kernel.org/pub/scm/git/git-{htmldocs,manpages}.git/
  git://repo.or.cz/git-{htmldocs,manpages}.git/
  https://github.com/gitster/git-{htmldocs,manpages}.git/

The manual pages formatted in HTML for the tip of 'master' can be
viewed online at:

  https://git.github.io/htmldocs/git.html


* How various branches are used.

There are four branches in git.git repository that track the source tree
of git: "master", "maint", "next", and "pu".

The "master" branch is meant to contain what are very well tested and
ready to be used in a production setting.  Every now and then, a
"feature release" is cut from the tip of this branch.  They used to be
named with three dotted decimal digits (e.g. "1.8.5"), but recently we
switched the versioning scheme and "feature releases" are named with
three-dotted decimal digits that ends with ".0" (e.g. "1.9.0").

The last such release was 2.10 done on Sep 2nd, 2016. You can expect
that the tip of the "master" branch is always more stable than any of
the released versions.

Whenever a feature release is made, "maint" branch is forked off from
"master" at that point.  Obvious and safe fixes after a feature
release are applied to this branch and maintenance releases are cut
from it.  Usually the fixes are merged to the "master" branch first,
several days before merged to the "maint" branch, to reduce the chance
of last-minute issues.  The maintenance releases used to be named with
four dotted decimal, named after the feature release they are updates
to (e.g. "1.8.5.1" was the first maintenance release for "1.8.5"
feature release).  These days, maintenance releases are named by
incrementing the last digit of three-dotted decimal name (e.g. "2.9.3"
is the third maintenance release for the "2.9" series).

New features never go to the 'maint' branch.  This branch is also
merged into "master" to propagate the fixes forward as needed.

A new development does not usually happen on "master". When you send a
series of patches, after review on the mailing list, a separate topic
branch is forked from the tip of "master" and your patches are queued
there, and kept out of "master" while people test it out. The quality of
topic branches are judged primarily by the mailing list discussions.

Topic branches that are in good shape are merged to the "next" branch. In
general, the "next" branch always contains the tip of "master".  It might
not be quite rock-solid, but is expected to work more or less without major
breakage. The "next" branch is where new and exciting things take place. A
topic that is in "next" is expected to be polished to perfection before it
is merged to "master".  Please help this process by building & using the
"next" branch for your daily work, and reporting any new bugs you find to
the mailing list, before the breakage is merged down to the "master".

The "pu" (proposed updates) branch bundles all the remaining topic
branches the maintainer happens to have seen.  There is no guarantee that
the maintainer has enough bandwidth to pick up any and all topics that
are remotely promising from the list traffic, so please do not read
too much into a topic being on (or not on) the "pu" branch.  This
branch is mainly to remind the maintainer that the topics in them may
turn out to be interesting when they are polished, nothing more.  The
topics on this branch aren't usually complete, well tested, or well
documented and they often need further work.  When a topic that was
in "pu" proves to be in a testable shape, it is merged to "next".

You can run "git log --first-parent master..pu" to see what topics are
currently in flight.  Sometimes, an idea that looked promising turns out
to be not so good and the topic can be dropped from "pu" in such a case.

The two branches "master" and "maint" are never rewound, and "next"
usually will not be either.  After a feature release is made from
"master", however, "next" will be rebuilt from the tip of "master"
using the topics that didn't make the cut in the feature release.

Note that being in "next" is not a guarantee to appear in the next
release, nor even in any future release.  There were cases that topics
needed reverting a few commits in them before graduating to "master",
or a topic that already was in "next" was reverted from "next" because
fatal flaws were found in it after it was merged to "next".


* Other people's trees.

Documentation/SubmittingPatches outlines to whom your proposed changes
should be sent.  As described in contrib/README, I would delegate fixes
and enhancements in contrib/ area to the primary contributors of them.

Although the following are included in git.git repository, they have their
own authoritative repository and maintainers:

 - git-gui/ comes from git-gui project, maintained by Pat Thoyts:

        git://repo.or.cz/git-gui.git

 - gitk-git/ comes from Paul Mackerras's gitk project:

        git://ozlabs.org/~paulus/gitk

 - po/ comes from the localization coordinator, Jiang Xin:

	https://github.com/git-l10n/git-po/

When sending proposed updates and fixes to these parts of the system,
please base your patches on these trees, not git.git (the former two
even have different directory structures).

^ permalink raw reply

* Re: [PATCH 2/2] connect: know that zero-ID is not a ref
From: Shawn Pearce @ 2016-09-03  2:03 UTC (permalink / raw)
  To: Jeff King; +Cc: Jonathan Tan, git
In-Reply-To: <20160902201321.35egsg5l6r2fvrtw@sigill.intra.peff.net>

On Fri, Sep 2, 2016 at 1:13 PM, Jeff King <peff@peff.net> wrote:
>
> Hmm. So since this is backwards-compatible, I'm not overly concerned
> with changing the client. But I wonder if you considered that the
> documentation is wrong, and that JGit should stop sending the extra
> capabilities line?

No, JGit needs to keep sending the capabilities^{} line in upload-pack
if there were no refs advertised to the client. (If it advertises at
least one ref it does not send this capabilities^{} line.)

> In either case, there will still be breakage until _somebody_ upgrades
> (with your patch, until clients upgrade; with a JGit patch, until the
> server upgrades). So perhaps an interesting question would be: if we
> were writing this now, what is the correct behavior?
>
> For pushing, it is obviously useful to send capabilities even though
> there are no refs (because the client is going to send _you_ something).
> And that is why "capabilities^{}" exists; it is a receive-pack feature
> (that is actually implemented!), and the documentation (which came after
> the implementation) blindly mentioned it for upload-pack, as well.
>
> Is it useful for upload-pack? If we have no refs, there's traditionally
> been nothing to fetch. Perhaps that's something that could change,
> though. For example, there could be a capability to allow fetching
> arbitrary sha1s (we have allowTIPSH1InWant and allowReachableSHA1InWant,
> which obviously both require some refs, but allowArbitrarySHA1 does not
> seem outside the realm of possibility).

Its exactly these sort of extra capabilities. We run JGit in modes
where "out of band" (e.g. URL or higher level protocol framing like an
undocumented HTTP header) allows the fetch-pack client to say "do not
send me advertisements, but I want to learn your capabilities". The
fetch-pack client typically activates the allow-reachable-sha1-in-want
feature and names specific SHA-1s it wants.

This allows the fetch-pack client to bypass a very large advertisement
if it wants only a specific SHA-1 and doesn't care about the ref name
its bound to, or reachable through.


This is also perhaps a stepping stone towards "client speaks first".
If we can later standardize an HTTP query parameter or extra HTTP
header, the server may be able to avoid sending a lot of ref
advertisements, but would still need to advertise capabilities.

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jeff King @ 2016-09-03  0:56 UTC (permalink / raw)
  To: Jonathan Nieder; +Cc: Jonathan Tan, git, spearce, sbeller
In-Reply-To: <20160902235145.GI14758@google.com>

On Fri, Sep 02, 2016 at 04:51:45PM -0700, Jonathan Nieder wrote:

> > I'd be more interested in the pain of this transition if there was a
> > concrete use case for "hide literally all refs, but still allow
> > fetches". Is that a thing that people do?
> 
> Sure, it is a thing that people do.  For example I've seen replication
> systems that learn what SHA-1s to fetch out-of-band and then use this
> approach to avoid the overhead of a long ref advertisement.

I know that's how those features work. I was more wondering if it ever
comes up that somebody actually has hidden refs, but _no_ non-hidden
ones. Do the systems you've seen hide all the refs?

> However, that is not my motivation.  My motivation is being able to
> extend the protocol in the future.  The capabilities line has been
> important for that historically.

Sure, I agree it's a nice move forward for compatibility. But that
argues for teaching the clients to handle it (for the future), and then
turning it on in the server only when it becomes useful (i.e., the "in a
year or so" can become "when we find a use for it").

In a similar vein, I'd think that a config to enable this in upload-pack
today could have an "auto" mode, which enables it _only_ when you know
something productive might come of it (namely that you have hidden refs,
one of the uploadpack.allow* features is enabled, and the ref
advertisement is empty). Then requests which could not benefit from it
at all do not have to pay the potential compatibility cost.

> Do you have any objection to the server gaining support for this
> guarded by a configuration option?  Then when the time comes to
> consider flipping the default we can use real-world statistics about
> what git client versions people use to make an informed decision.

Guarded by config, no. It's the flipping of the default I care more
about. The config is not necessary in the meantime for getting
real-world statistics; you can add the config and flip the default as
one unit at any time (the thing that is time-critical is teaching the
client to handle _both_ cases gracefully).

The config is useful in the meantime if there are people who could
benefit from it immediately, and don't mind paying the compatibility
cost. With an "auto" as I described above, using that as the default
seems like a decent interim behavior (i.e., why would you set up such a
repository if you didn't expect most clients to use the allowTipSHA1
feature?). I'd still probably give some lag between shipping the client,
and flipping the server default to "auto".

I hoped to share some numbers on what versions people are currently
using against GitHub, to get a sense of how far back most people are.
But I haven't been actively involved in keeping those numbers for a
while, and I'm not sure what we have readily stored. I did show some
numbers a few years ago[1], and it looks like about 2/3 of people were
within 6-12 months of the latest version, but the rest was a long tail.

I don't know if that will have changed with the advent of more client
versions (e.g., lots more people are using libgit2 now via GUI clients,
Visual Studio, etc; how does it fare with the proposed change?).

-Peff

[1] http://public-inbox.org/git/20120531114801.GA21367@sigill.intra.peff.net/

^ permalink raw reply

* Re: Bug Report: Too many untracked files (gitignore)
From: Brian Levinstein @ 2016-09-03  0:52 UTC (permalink / raw)
  To: Stefan Beller; +Cc: git@vger.kernel.org
In-Reply-To: <CAGZ79kYhV30AuXUKtp3oewMpnEk5vD=HvRUJTTFaEdsacu3tGw@mail.gmail.com>

The patterns in question do contain a slash, although they don't start
with a slash.

I tried changing it to "!/.vim/colors/*" as you recommended, with no
change in behavior. I even tried adding a leading slash to every
pattern in gitignore, with no effect.

Removing the line with "!/.vim/colors/*" still fixes the problem.

Brian Levinstein
blevinstein@gmail.com | bpl4ab@virginia.edu
(703) 673-8711
Google | Software Engineer
University of Virginia | MS Commerce 2014
University of Virginia | BS Computer Science 2013
Alpha Tau Omega | Delta Chapter
http://www.linkedin.com/pub/brian-levinstein/14/620/6ba
https://github.com/blevinstein


On Fri, Sep 2, 2016 at 4:58 PM, Stefan Beller <sbeller@google.com> wrote:
> On Fri, Sep 2, 2016 at 4:06 PM, Brian Levinstein <blevinstein@gmail.com> wrote:
>> The relevant repo is here:
>> https://github.com/blevinstein/dotfiles
>>
>> My gitignore file looks like this:
>> https://github.com/blevinstein/dotfiles/blob/2400ca8642a7b454a2bfc54e8402343d008836aa/.gitignore
>> It basically ignores all files, except for specifically whitelisted
>> files. However, when I run "git status" (git version
>> 2.8.0.rc3.226.g39d4020), I see the following untracked files:
>>
>> #       .bash_history
>> #       .bash_logout
>> #       .cache/
>> #       [private]
>> #       [private]
>> #       .profile
>> #       .viminfo
>> #       dev/
>
> For the specific files to be exclued, I'd recommend starting with a slash, e.g.
>
>     !/.bashrc
>     !/.vim/colors/*
>
> If the pattern does not contain a slash /, Git treats it as a shell
> glob pattern and checks
> for a match against the pathname relative to the location of the
> .gitignore file (relative
> to the toplevel of the work tree if not from a .gitignore file).
>
> See the notes section of https://git-scm.com/docs/gitignore
>
> So I do not quite see the bug?
>
> Stefan

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jonathan Nieder @ 2016-09-03  0:37 UTC (permalink / raw)
  To: Stefan Beller; +Cc: Jeff King, Jonathan Tan, git@vger.kernel.org, Shawn Pearce
In-Reply-To: <CAGZ79ka0VvXbkR+JYJwK9oyRzcsDXDoqKXyp4F+moDc4qDuv7w@mail.gmail.com>

Stefan Beller wrote:
> On Fri, Sep 2, 2016 at 4:35 PM, Jeff King <peff@peff.net> wrote:

>> I'd be more interested in the pain of this transition if there was a
>> concrete use case for "hide literally all refs, but still allow
>> fetches". Is that a thing that people do?
[...]
> Not to derail the discussion to much, but let's talk about protocol v2
> for a second:

Uh oh. ;-)

>     One of the ideas we floated around for protocol v2 would be exactly
>     that: the server advertises only a small portion (could be just master
>     or no branch eventually) with a capability "v2" and then the client
>     selects that capability and after that there comes protocol 2.

Sounds scary to me.  What would happen when I try to clone a
repository with a v1 client?  I'd see nothing.  I'd want at least a
"master" branch with a README file (or an ERR packet?) saying "please
update your client".

>     The advantage of this approach would be have a functional
>     v1 server still running, but the meat is found only in v2: e.g. via
>     v2 you can obtain all pull requests/changes or even wiki/meta
>     information stuff that would be too large to advertise in v1.

This sounds less scary, but it doesn't answer the question Peff
raised.  Wouldn't it still be typical to advertise at least one ref,
which can contain a capabilities line?

However, another idea I think you've mentioned before on-list about
changing the ref advertisement could answer it.  Suppose that I always
include the ref advertisement in my first reply, but I provide a
capability saying that further requests to this server can use a
different mechanism that skips the long advertisement.

Normally that would work great --- I only pay the cost of the large
advertisement once, and from then on I can cache what the server told
me about how it prefers to be contacted.  Except what happens if this
was a new repository and my first contact with the server was to clone
that empty repository?

In that case, getting capabilities with the ref advertisement would
benefit me.

Likewise for other capabilities that may come with such an empty
fetch: for example the server could tell which unborn branch the HEAD
symref points to.

Thanks,
Jonathan

^ permalink raw reply

* Re: Bug Report: Too many untracked files (gitignore)
From: Stefan Beller @ 2016-09-02 23:58 UTC (permalink / raw)
  To: Brian Levinstein; +Cc: git@vger.kernel.org
In-Reply-To: <CAMbP-nS_MM0QXgw183DLQPx1YU1BH8ytKCv86p-JSxzdb2jpQA@mail.gmail.com>

On Fri, Sep 2, 2016 at 4:06 PM, Brian Levinstein <blevinstein@gmail.com> wrote:
> The relevant repo is here:
> https://github.com/blevinstein/dotfiles
>
> My gitignore file looks like this:
> https://github.com/blevinstein/dotfiles/blob/2400ca8642a7b454a2bfc54e8402343d008836aa/.gitignore
> It basically ignores all files, except for specifically whitelisted
> files. However, when I run "git status" (git version
> 2.8.0.rc3.226.g39d4020), I see the following untracked files:
>
> #       .bash_history
> #       .bash_logout
> #       .cache/
> #       [private]
> #       [private]
> #       .profile
> #       .viminfo
> #       dev/

For the specific files to be exclued, I'd recommend starting with a slash, e.g.

    !/.bashrc
    !/.vim/colors/*

If the pattern does not contain a slash /, Git treats it as a shell
glob pattern and checks
for a match against the pathname relative to the location of the
.gitignore file (relative
to the toplevel of the work tree if not from a .gitignore file).

See the notes section of https://git-scm.com/docs/gitignore

So I do not quite see the bug?

Stefan

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jonathan Nieder @ 2016-09-02 23:51 UTC (permalink / raw)
  To: Jeff King; +Cc: Jonathan Tan, git, spearce, sbeller
In-Reply-To: <20160902233547.mzgluioc7hhabalw@sigill.intra.peff.net>

Jeff King wrote:
> On Fri, Sep 02, 2016 at 03:06:12PM -0700, Jonathan Tan wrote:

>                                  But combining hideRefs with
> allowTipSHA1InWant could trigger this case.

Yes.

[...]
> I'd be more interested in the pain of this transition if there was a
> concrete use case for "hide literally all refs, but still allow
> fetches". Is that a thing that people do?

Sure, it is a thing that people do.  For example I've seen replication
systems that learn what SHA-1s to fetch out-of-band and then use this
approach to avoid the overhead of a long ref advertisement.

However, that is not my motivation.  My motivation is being able to
extend the protocol in the future.  The capabilities line has been
important for that historically.

Do you have any objection to the server gaining support for this
guarded by a configuration option?  Then when the time comes to
consider flipping the default we can use real-world statistics about
what git client versions people use to make an informed decision.

Thanks,
Jonathan

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Stefan Beller @ 2016-09-02 23:48 UTC (permalink / raw)
  To: Jeff King
  Cc: Jonathan Tan, git@vger.kernel.org, Jonathan Nieder, Shawn Pearce
In-Reply-To: <20160902233547.mzgluioc7hhabalw@sigill.intra.peff.net>

On Fri, Sep 2, 2016 at 4:35 PM, Jeff King <peff@peff.net> wrote:
> I'd be more interested in the pain of this transition if there was a
> concrete use case for "hide literally all refs, but still allow
> fetches". Is that a thing that people do?
>

Not yet, I would think.

Not to derail the discussion to much, but let's talk about protocol v2
for a second:

    One of the ideas we floated around for protocol v2 would be exactly
    that: the server advertises only a small portion (could be just master
    or no branch eventually) with a capability "v2" and then the client
    selects that capability and after that there comes protocol 2.

    The advantage of this approach would be have a functional
    v1 server still running, but the meat is found only in v2: e.g. via
    v2 you can obtain all pull requests/changes or even wiki/meta
    information stuff that would be too large to advertise in v1.

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jeff King @ 2016-09-02 23:35 UTC (permalink / raw)
  To: Jonathan Tan; +Cc: git, jrnieder, spearce, sbeller
In-Reply-To: <174c8ca6638f1cd3145a628925e65655b56af366.1472853827.git.jonathantanmy@google.com>

On Fri, Sep 02, 2016 at 03:06:12PM -0700, Jonathan Tan wrote:

> The cause is that, since v3.1.0.201309270735-rc1~22 (Advertise capabilities
> with no refs in upload service., 2013-08-08), JGit's ref advertisement includes
> a ref named capabilities^{} to advertise its capabilities on, while git's ref
> advertisement is empty in this case. This allows the client to learn about the
> server's capabilities and is needed, for example, for fetch-by-sha1 to work
> when no refs are advertised.

So does JGit actually have a fetch-by-sha1 that works in such a case
(obviously the repository has to have _some_ objects, so is this a
feature where the server hides some of the refs?).

I was thinking we did not have one in git (i.e., we have nothing to
allow fetching arbitrary sha1s). But combining hideRefs with
allowTipSHA1InWant could trigger this case.

> This also affects "ls-remote". For example, against an empty repository served
> by JGit:
> 
> 	$ git ls-remote git://localhost/tmp/empty
> 	0000000000000000000000000000000000000000        capabilities^{}
> 
> Git advertises the same capabilities^{} ref in its ref advertisement for push
> but since it never remembered to do so for fetch, the client forgot to handle
> this case. Handle it.

As you can probably guess from my previous emails in this thread, I
don't think it is "never remembered to do so". It is more like "never
intended to do so and was documented incorrectly".

That doesn't make things clear cut, of course. But I think the real
story is more like (I dug a little in the history, as you'll see, but
didn't look for conversations in the list archive, so take this with the
appropriate grain of salt):

  0. Upload-pack existed without this capabilities^{} trick for some time.

  1. Receive-pack learned the capabilities^{} trick, and send-pack on
     the client side learned to accept it (this looks like it came along
     with the first capability in cfee10a (send-pack/receive-pack: allow
     errors to be reported back to pusher., 2005-12-25).

  2. Later, b31222c (Update packfile transfer protocol documentation,
     2009-11-03) tried to document the upload-pack and receive-pack
     protocols, but mistakenly documented both as having
     capabilities^{}.

  3. In ae1f469 (Advertise capabilities with no refs in upload service.,
     2013-08-08), JGit started sending these in its upload-pack
     equivalent, according to the documentation from (3).

So now we are in a state where JGit behavior does not match Git
behavior. Since JGit versions have existed in the wild for a few years,
it's a good idea for all clients to be liberal and accept both cases.

> In this aspect, JGit is compliant with the specification in pack-protocol.txt.
> Because git client versions without this fix are expected to exist in the wild
> for a while, we should not change the server to always send the capabilities^{}
> line when there are no refs to advertise yet.  A transition will take multiple
> steps:
> 
>  1. This patch, which updates the client
> 
>  2. Update pack-protocol to clarify that both server behaviors must be
>     tolerated.

These two seem like obvious improvements.

>  3. Add a configuration variable to allow git upload-pack to advertise
>     capabilities when there are no refs to advertise.  Leave it disabled
>     by default since git clients can't be counted on to have this patch (1)
>     yet.
> 
>  4. After a year or so, flip the default for that server configuration
>     variable to true.

I think "a year or so" is not nearly long enough, as this is not a
backwards-compatible change. The only thing that mitigates it is that an
older client doesn't barf totally, but just generates funny output.

I'd be more interested in the pain of this transition if there was a
concrete use case for "hide literally all refs, but still allow
fetches". Is that a thing that people do?

-Peff

^ permalink raw reply

* Re: [PATCH 2/2] connect: know that zero-ID is not a ref
From: Jeff King @ 2016-09-02 23:19 UTC (permalink / raw)
  To: Jonathan Tan; +Cc: git
In-Reply-To: <84df7985-6c87-9485-261c-e8e9a3bbab7b@google.com>

On Fri, Sep 02, 2016 at 03:11:16PM -0700, Jonathan Tan wrote:

> On 09/02/2016 01:13 PM, Jeff King wrote:
> > On Fri, Sep 02, 2016 at 10:15:39AM -0700, Jonathan Tan wrote:
> > > (git-daemon should probably also be changed to serve zero IDs, but such
> > > a change can be considered independently from this change; even if both
> > > the client and server changes were made in one commit, it is nearly
> > > impossible that all Git installations are updated at the same time - an
> > > updated client would still need to deal with unupdated servers and vice
> > > versa.)
> > 
> > I'm really not sure what you mean here. How does git-daemon enter into
> > this at all?
> 
> I was comparing the behavior of git daemon and jgit daemon - when serving
> the same repository, the former does not send the zero ID and
> capabilities^{} line, whereas the latter does; and I was stating that git
> daemon's behavior should be changed to JGit's behavior, but not necessarily
> immediately.

Ah, I see. I was confused because it's git-upload-pack, not git-daemon,
which would be modified (git-daemon may also spawn other tools like
receive-pack, which _does_ already have this behavior).

I remain unconvinced that we should transition to the JGit behavior on
the server side (as opposed to "fixing" the documentation). However,
given that JGit versions with this behavior are in the wild, it seems
like a no-brainer to make the receiver more liberal (i.e., this series).

-Peff

^ permalink raw reply

* Bug Report: Too many untracked files (gitignore)
From: Brian Levinstein @ 2016-09-02 23:06 UTC (permalink / raw)
  To: git

The relevant repo is here:
https://github.com/blevinstein/dotfiles

My gitignore file looks like this:
https://github.com/blevinstein/dotfiles/blob/2400ca8642a7b454a2bfc54e8402343d008836aa/.gitignore
It basically ignores all files, except for specifically whitelisted
files. However, when I run "git status" (git version
2.8.0.rc3.226.g39d4020), I see the following untracked files:

#       .bash_history
#       .bash_logout
#       .cache/
#       [private]
#       [private]
#       .profile
#       .viminfo
#       dev/

I can fix this by removing the following line from my gitignore:

!.vim/colors/*
after which all the untracked files disappear. I also tried changing
that line to:

!.vim/colors/twilight256.vim

but it had no effect.

The same effect can be achieved with any directory name starting with a period:

!.tmux/asdf

!.vim/asdf

where .tmux and .vim are real directories. It does not seem to matter
whether the "asdf" subdirectory exists at all.

Brian Levinstein

blevinstein@gmail.com | bpl4ab@virginia.edu
(703) 673-8711
Google | Software Engineer
University of Virginia | MS Commerce 2014
University of Virginia | BS Computer Science 2013
Alpha Tau Omega | Delta Chapter
http://www.linkedin.com/pub/brian-levinstein/14/620/6ba
https://github.com/blevinstein

^ permalink raw reply

* Re: [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jonathan Nieder @ 2016-09-02 22:40 UTC (permalink / raw)
  To: Jonathan Tan; +Cc: git, spearce, sbeller, peff
In-Reply-To: <174c8ca6638f1cd3145a628925e65655b56af366.1472853827.git.jonathantanmy@google.com>

Jonathan Tan wrote:

> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
> ---
>  connect.c            |  3 +++
>  t/t5512-ls-remote.sh | 39 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 42 insertions(+)

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>

Thanks.

^ permalink raw reply

* Re: Fixup of a fixup not working right
From: Philip Oakley @ 2016-09-02 22:24 UTC (permalink / raw)
  To: Robert Dailey, Git
In-Reply-To: <CAHd499AQFDRps6POF2xuUjbYv5DJYxt3DA8aFFArXF=qQEz_CA@mail.gmail.com>

From: "Robert Dailey" <rcdailey.lists@gmail.com>
> Suppose I have a branch with 4 commits, in the following order (as you
> might see during interactive rebase):
>
> pick 123 Original Change
> pick 789 fixup! Original Change
> pick 456 Some Other Thing
> pick abc fixup! fixup! Original Change
>
> However, let's say the first commit is already pushed upstream on a
> topic branch. Since there are multiple developers on this topic
> branch, I do not want to rebase right now. Instead, I want to document
> future fixups via fixup commits and then when we're ready to merge, do
> a final rebase prior to the merge to master to clean things up after
> we're all done collaborating.
>
> For this specific situation, since the first commit is already pushed,
> I want to perform a fixup on the 1st fixup commit. When I perform an
> interactive rebase against upstream topic, I get the following:
>
> pick 789 fixup! Original Change
> pick 456 Some Other Thing
> pick abc fixup! fixup! Original Change
>
> The tip commit (abc in this case) is not marked as a fixup. What I
> expect to see is:
>
> pick 789 fixup! Original Change
> fixup abc fixup! fixup! Original Change
> pick 456 Some Other Thing
>
> Is this by design, or a defect? I assumed that Git would only look at
> the first occurrence of "fixup!" and treat everything else after as
> the commit description to match. But it seems in this case that it
> stops at the last occurrence of "fixup!", which would explain why it
> isn't matching in the interactive rebase. I haven't looked at the
> code, though.

As I understand this it's implied by design. The issue is that the rebase is 
looking for that named commit within its current rebase range, and can't 
find it, so ignores it.

There is a separate issue that all the fixup! fixup! messages are 
essentially treated as being concatenations of the original fixup!, no 
matter how many time the fiup is present.

In the mean time you should reword those commit messages as being 
'bug-fixes' as they are (you say) already upstream and hence published. You 
can make the first as a bug-fix and the following ones a fixup!s.

>
> Thoughts? Also I'm perfectly willing to accept feedback involving me
> just using the feature wrong or as not intended. Thanks in advance.
> 


^ permalink raw reply

* Re: [PATCH 2/2] connect: know that zero-ID is not a ref
From: Jonathan Tan @ 2016-09-02 22:11 UTC (permalink / raw)
  To: Jeff King; +Cc: git
In-Reply-To: <20160902201321.35egsg5l6r2fvrtw@sigill.intra.peff.net>

On 09/02/2016 01:13 PM, Jeff King wrote:
> On Fri, Sep 02, 2016 at 10:15:39AM -0700, Jonathan Tan wrote:
>> (git-daemon should probably also be changed to serve zero IDs, but such
>> a change can be considered independently from this change; even if both
>> the client and server changes were made in one commit, it is nearly
>> impossible that all Git installations are updated at the same time - an
>> updated client would still need to deal with unupdated servers and vice
>> versa.)
>
> I'm really not sure what you mean here. How does git-daemon enter into
> this at all?

I was comparing the behavior of git daemon and jgit daemon - when 
serving the same repository, the former does not send the zero ID and 
capabilities^{} line, whereas the latter does; and I was stating that 
git daemon's behavior should be changed to JGit's behavior, but not 
necessarily immediately.

(In one of the replies to that email, Jonathan Nieder has suggested a 
more detailed transition plan.)

>> diff --git a/t/t5512-ls-remote.sh b/t/t5512-ls-remote.sh
>> index 819b9dd..c6f8b6f 100755
>> --- a/t/t5512-ls-remote.sh
>> +++ b/t/t5512-ls-remote.sh
>> @@ -207,5 +207,27 @@ test_expect_success 'ls-remote --symref omits filtered-out matches' '
>>  	test_cmp expect actual
>>  '
>>
>> +test_lazy_prereq GIT_DAEMON '
>> +	test_have_prereq JGIT &&
>> +	test_tristate GIT_TEST_GIT_DAEMON &&
>> +	test "$GIT_TEST_GIT_DAEMON" != false
>> +'
>
> GIT_DAEMON depends on JGIT? Should this really be the JGIT_DAEMON
> prerequisite?

The JGIT line shouldn't be there - thanks for catching this.

^ permalink raw reply

* [PATCH v2 2/2] connect: advertized capability is not a ref
From: Jonathan Tan @ 2016-09-02 22:06 UTC (permalink / raw)
  To: git; +Cc: Jonathan Tan, jrnieder, spearce, sbeller, peff
In-Reply-To: <cover.1472853827.git.jonathantanmy@google.com>

When cloning an empty repository served by standard git, "git clone" produces
the following reassuring message:

	$ git clone git://localhost/tmp/empty
	Cloning into 'empty'...
	warning: You appear to have cloned an empty repository.
	Checking connectivity... done.

Meanwhile when cloning an empty repository served by JGit, the output is more
haphazard:

	$ git clone git://localhost/tmp/empty
	Cloning into 'empty'...
	Checking connectivity... done.
	warning: remote HEAD refers to nonexistent ref, unable to checkout.

This is a common command to run immediately after creating a remote repository
as preparation for adding content to populate it and pushing. The warning is
confusing and needlessly worrying.

The cause is that, since v3.1.0.201309270735-rc1~22 (Advertise capabilities
with no refs in upload service., 2013-08-08), JGit's ref advertisement includes
a ref named capabilities^{} to advertise its capabilities on, while git's ref
advertisement is empty in this case. This allows the client to learn about the
server's capabilities and is needed, for example, for fetch-by-sha1 to work
when no refs are advertised.

This also affects "ls-remote". For example, against an empty repository served
by JGit:

	$ git ls-remote git://localhost/tmp/empty
	0000000000000000000000000000000000000000        capabilities^{}

Git advertises the same capabilities^{} ref in its ref advertisement for push
but since it never remembered to do so for fetch, the client forgot to handle
this case. Handle it.

In this aspect, JGit is compliant with the specification in pack-protocol.txt.
Because git client versions without this fix are expected to exist in the wild
for a while, we should not change the server to always send the capabilities^{}
line when there are no refs to advertise yet.  A transition will take multiple
steps:

 1. This patch, which updates the client

 2. Update pack-protocol to clarify that both server behaviors must be
    tolerated.

 3. Add a configuration variable to allow git upload-pack to advertise
    capabilities when there are no refs to advertise.  Leave it disabled
    by default since git clients can't be counted on to have this patch (1)
    yet.

 4. After a year or so, flip the default for that server configuration
    variable to true.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
---
 connect.c            |  3 +++
 t/t5512-ls-remote.sh | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/connect.c b/connect.c
index 722dc3f..0c2221e 100644
--- a/connect.c
+++ b/connect.c
@@ -165,6 +165,9 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
 			continue;
 		}
 
+		if (!strcmp(name, "capabilities^{}"))
+			continue;
+
 		if (!check_ref(name, flags))
 			continue;
 		ref = alloc_ref(buffer + GIT_SHA1_HEXSZ + 1);
diff --git a/t/t5512-ls-remote.sh b/t/t5512-ls-remote.sh
index 819b9dd..2de52f5 100755
--- a/t/t5512-ls-remote.sh
+++ b/t/t5512-ls-remote.sh
@@ -207,5 +207,44 @@ test_expect_success 'ls-remote --symref omits filtered-out matches' '
 	test_cmp expect actual
 '
 
+test_lazy_prereq GIT_DAEMON '
+	test_tristate GIT_TEST_GIT_DAEMON &&
+	test "$GIT_TEST_GIT_DAEMON" != false
+'
+
+JGIT_DAEMON_PORT=${JGIT_DAEMON_PORT-${this_test#t}}
+
+# This test spawns a daemon, so run it only if the user would be OK with
+# testing with git-daemon.
+test_expect_success PIPE,JGIT,GIT_DAEMON 'indicate no refs in standards-compliant empty remote' '
+	JGIT_DAEMON_PID= &&
+	git init --bare empty.git &&
+	touch empty.git/git-daemon-export-ok &&
+	mkfifo jgit_daemon_output &&
+	{
+		jgit daemon --port="$JGIT_DAEMON_PORT" . >jgit_daemon_output &
+		JGIT_DAEMON_PID=$!
+	} &&
+	test_when_finished kill "$JGIT_DAEMON_PID" &&
+	{
+		read line &&
+		case $line in
+		Exporting*)
+			;;
+		*)
+			echo "Expected: Exporting" &&
+			false;;
+		esac &&
+		read line &&
+		case $line in
+		"Listening on"*)
+			;;
+		*)
+			echo "Expected: Listening on" &&
+			false;;
+		esac
+	} <jgit_daemon_output &&
+	test_expect_code 2 git ls-remote --exit-code git://localhost:$JGIT_DAEMON_PORT/empty.git
+'
 
 test_done
-- 
2.8.0.rc3.226.g39d4020


^ permalink raw reply related

* [PATCH v2 1/2] tests: move test_lazy_prereq JGIT to test-lib.sh
From: Jonathan Tan @ 2016-09-02 22:06 UTC (permalink / raw)
  To: git; +Cc: Jonathan Tan, jrnieder, spearce, sbeller, peff
In-Reply-To: <cover.1472853827.git.jonathantanmy@google.com>

This enables JGIT to be used as a prereq in invocations of
test_expect_success (and other functions) in other test scripts.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
---
 t/t5310-pack-bitmaps.sh | 4 ----
 t/test-lib.sh           | 4 ++++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
index 3893afd..1e376ea 100755
--- a/t/t5310-pack-bitmaps.sh
+++ b/t/t5310-pack-bitmaps.sh
@@ -158,10 +158,6 @@ test_expect_success 'pack with missing parent' '
 	git pack-objects --stdout --revs <revs >/dev/null
 '
 
-test_lazy_prereq JGIT '
-	type jgit
-'
-
 test_expect_success JGIT 'we can read jgit bitmaps' '
 	git clone . compat-jgit &&
 	(
diff --git a/t/test-lib.sh b/t/test-lib.sh
index d731d66..c9c1037 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1072,6 +1072,10 @@ test_lazy_prereq NOT_ROOT '
 	test "$uid" != 0
 '
 
+test_lazy_prereq JGIT '
+	type jgit
+'
+
 # SANITY is about "can you correctly predict what the filesystem would
 # do by only looking at the permission bits of the files and
 # directories?"  A typical example of !SANITY is running the test
-- 
2.8.0.rc3.226.g39d4020


^ permalink raw reply related

* [PATCH v2 0/2] handle empty spec-compliant remote repos correctly
From: Jonathan Tan @ 2016-09-02 22:06 UTC (permalink / raw)
  To: git; +Cc: Jonathan Tan, jrnieder, spearce, sbeller, peff
In-Reply-To: <cover.1472836026.git.jonathantanmy@google.com>

Thanks - I've updated the following:
o better patch description as suggested by Jonathan Nieder
o checking for capabilities^{} - all such lines are ignored without any further
  checks, similar to the behavior for .have 
o minor fix to test_lazy_prereq GIT_DAEMON
o test waits for output of `jgit daemon` (instead of sleeping)

Jonathan Tan (2):
  tests: move test_lazy_prereq JGIT to test-lib.sh
  connect: advertized capability is not a ref

 connect.c               |  3 +++
 t/t5310-pack-bitmaps.sh |  4 ----
 t/t5512-ls-remote.sh    | 39 +++++++++++++++++++++++++++++++++++++++
 t/test-lib.sh           |  4 ++++
 4 files changed, 46 insertions(+), 4 deletions(-)

-- 
2.8.0.rc3.226.g39d4020


^ permalink raw reply

* Re: [PATCH 01/34] sequencer: support a new action: 'interactive rebase'
From: Kevin Daudt @ 2016-09-02 21:13 UTC (permalink / raw)
  To: Johannes Schindelin; +Cc: git, Junio C Hamano
In-Reply-To: <5ffec2e588a4edc4902e1ab3a2ec3a73a7c3625b.1472633606.git.johannes.schindelin@gmx.de>

On Wed, Aug 31, 2016 at 10:54:02AM +0200, Johannes Schindelin wrote:
> @@ -43,16 +51,20 @@ static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
>  /* We will introduce the 'interactive rebase' mode later */
>  static inline int is_rebase_i(const struct replay_opts *opts)
>  {
> -	return 0;
> +	return opts->action == REPLAY_INTERACTIVE_REBASE;
>  }
>  
>  static const char *get_dir(const struct replay_opts *opts)
>  {
> +	if (is_rebase_i(opts))
> +		return rebase_path();
>  	return git_path_seq_dir();
>  }
>  
>  static const char *get_todo_path(const struct replay_opts *opts)
>  {
> +	if (is_rebase_i(opts))
> +		return rebase_path_todo();
>  	return git_path_todo_file();
>  }

This patch fails to apply for me because function is_rebase_i has never
been introduced before (no record of it anywhere). Currently, only
IS_REBASE_I macro is present.

^ permalink raw reply

* Re: [PATCH 6/9] rebase -i: check for missing commits in the rebase--helper
From: Dennis Kaarsemaker @ 2016-09-02 20:59 UTC (permalink / raw)
  To: Johannes Schindelin, git; +Cc: Junio C Hamano
In-Reply-To: <6d28acb59d7c217f1f8d6d364e5a52c8bde35085.1472833365.git.johannes.schindelin@gmx.de>

On vr, 2016-09-02 at 18:23 +0200, Johannes Schindelin wrote:
> In particular on Windows, where shell scripts are even more expensive
> than on MacOSX or Linux, it makes sense to move a loop that forks
> Git at least once for every line in the todo list into a builtin.

Heh, this was the one thing that made me hesitate sending the
suggestion about rebase-helper --edit-todo, but with this bit already
moved, I think rebase-helper --edit-todo makes even more sense to do.

D.

^ permalink raw reply


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