gitweb.git
Sync with 2.16.2Junio C Hamano Thu, 15 Feb 2018 23:24:55 +0000 (15:24 -0800)

Sync with 2.16.2

* tag 'v2.16.2':
Git 2.16.2

Git 2.16.2 v2.16.2Junio C Hamano Thu, 15 Feb 2018 23:21:23 +0000 (15:21 -0800)

Git 2.16.2

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'ab/doc-cat-file-e-still-shows-errors... Junio C Hamano Thu, 15 Feb 2018 23:18:15 +0000 (15:18 -0800)

Merge branch 'ab/doc-cat-file-e-still-shows-errors' into maint

Doc update.

* ab/doc-cat-file-e-still-shows-errors:
cat-file doc: document that -e will return some output

Merge branch 'as/read-tree-prefix-doc-fix' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:14 +0000 (15:18 -0800)

Merge branch 'as/read-tree-prefix-doc-fix' into maint

Doc update.

* as/read-tree-prefix-doc-fix:
doc/read-tree: remove obsolete remark

Merge branch 'nd/add-i-ignore-submodules' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:13 +0000 (15:18 -0800)

Merge branch 'nd/add-i-ignore-submodules' into maint

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

* nd/add-i-ignore-submodules:
add--interactive: ignore submodule changes except HEAD

Merge branch 'tg/stash-with-pathspec-fix' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:13 +0000 (15:18 -0800)

Merge branch 'tg/stash-with-pathspec-fix' into maint

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

* tg/stash-with-pathspec-fix:
stash: don't delete untracked files that match pathspec

Merge branch 'jk/abort-clone-with-existing-dest' into... Junio C Hamano Thu, 15 Feb 2018 23:18:12 +0000 (15:18 -0800)

Merge branch 'jk/abort-clone-with-existing-dest' into maint

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

* jk/abort-clone-with-existing-dest:
clone: do not clean up directories we didn't create
clone: factor out dir_exists() helper
t5600: modernize style
t5600: fix outdated comment about unborn HEAD

Merge branch 'jc/merge-symlink-ours-theirs' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:12 +0000 (15:18 -0800)

Merge branch 'jc/merge-symlink-ours-theirs' into maint

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

* jc/merge-symlink-ours-theirs:
merge: teach -Xours/-Xtheirs to symbolic link merge

Merge branch 'rs/lose-leak-pending' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:11 +0000 (15:18 -0800)

Merge branch 'rs/lose-leak-pending' into maint

API clean-up around revision traversal.

* rs/lose-leak-pending:
commit: remove unused function clear_commit_marks_for_object_array()
revision: remove the unused flag leak_pending
checkout: avoid using the rev_info flag leak_pending
bundle: avoid using the rev_info flag leak_pending
bisect: avoid using the rev_info flag leak_pending
object: add clear_commit_marks_all()
ref-filter: use clear_commit_marks_many() in do_merge_filter()
commit: use clear_commit_marks_many() in remove_redundant()
commit: avoid allocation in clear_commit_marks_many()

Merge branch 'jm/svn-pushmergeinfo-fix' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:11 +0000 (15:18 -0800)

Merge branch 'jm/svn-pushmergeinfo-fix' into maint

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

* jm/svn-pushmergeinfo-fix:
git-svn: fix svn.pushmergeinfo handling of svn+ssh usernames.

Merge branch 'dk/describe-all-output-fix' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:10 +0000 (15:18 -0800)

Merge branch 'dk/describe-all-output-fix' into maint

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

* dk/describe-all-output-fix:
describe: prepend "tags/" when describing tags with embedded name

Merge branch 'ab/perf-grep-threads' into maintJunio C Hamano Thu, 15 Feb 2018 23:18:09 +0000 (15:18 -0800)

Merge branch 'ab/perf-grep-threads' into maint

More perf tests for threaded grep

* ab/perf-grep-threads:
perf: amend the grep tests to test grep.threads

Third batch for 2.17Junio C Hamano Thu, 15 Feb 2018 22:56:49 +0000 (14:56 -0800)

Third batch for 2.17

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'bc/hash-algo'Junio C Hamano Thu, 15 Feb 2018 22:55:47 +0000 (14:55 -0800)

Merge branch 'bc/hash-algo'

More abstraction of hash function from the codepath.

* bc/hash-algo:
hash: update obsolete reference to SHA1_HEADER
bulk-checkin: abstract SHA-1 usage
csum-file: abstract uses of SHA-1
csum-file: rename sha1file to hashfile
read-cache: abstract away uses of SHA-1
pack-write: switch various SHA-1 values to abstract forms
pack-check: convert various uses of SHA-1 to abstract forms
fast-import: switch various uses of SHA-1 to the_hash_algo
sha1_file: switch uses of SHA-1 to the_hash_algo
builtin/unpack-objects: switch uses of SHA-1 to the_hash_algo
builtin/index-pack: improve hash function abstraction
hash: create union for hash context allocation
hash: move SHA-1 macros to hash.h

Merge branch 'nd/ignore-glob-doc-update'Junio C Hamano Thu, 15 Feb 2018 22:55:46 +0000 (14:55 -0800)

Merge branch 'nd/ignore-glob-doc-update'

Doc update.

* nd/ignore-glob-doc-update:
gitignore.txt: elaborate shell glob syntax

Merge branch 'tg/reset-hard-show-head-with-pretty'Junio C Hamano Thu, 15 Feb 2018 22:55:45 +0000 (14:55 -0800)

Merge branch 'tg/reset-hard-show-head-with-pretty'

The way "git reset --hard" reports the commit the updated HEAD
points at is made consistent with the way how the commit title is
generated by the other parts of the system. This matters when the
title is spread across physically multiple lines.

* tg/reset-hard-show-head-with-pretty:
reset --hard: make use of the pretty machinery

Merge branch 'rs/cocci-strbuf-addf-to-addstr'Junio C Hamano Thu, 15 Feb 2018 22:55:44 +0000 (14:55 -0800)

Merge branch 'rs/cocci-strbuf-addf-to-addstr'

* rs/cocci-strbuf-addf-to-addstr:
cocci: simplify check for trivial format strings

Merge branch 'nd/trace-index-ops'Junio C Hamano Thu, 15 Feb 2018 22:55:44 +0000 (14:55 -0800)

Merge branch 'nd/trace-index-ops'

* nd/trace-index-ops:
trace: measure where the time is spent in the index-heavy operations

Merge branch 'cc/perf-aggregate'Junio C Hamano Thu, 15 Feb 2018 22:55:44 +0000 (14:55 -0800)

Merge branch 'cc/perf-aggregate'

"make perf" enhancement.

* cc/perf-aggregate:
perf/aggregate: sort JSON fields in output
perf/aggregate: add --reponame option
perf/aggregate: add --subsection option

Merge branch 'ab/wildmatch-tests'Junio C Hamano Thu, 15 Feb 2018 22:55:44 +0000 (14:55 -0800)

Merge branch 'ab/wildmatch-tests'

More tests for wildmatch functions.

* ab/wildmatch-tests:
wildmatch test: mark test as EXPENSIVE_ON_WINDOWS
test-lib: add an EXPENSIVE_ON_WINDOWS prerequisite
wildmatch test: create & test files on disk in addition to in-memory
wildmatch test: perform all tests under all wildmatch() modes
wildmatch test: use test_must_fail, not ! for test-wildmatch
wildmatch test: remove dead fnmatch() test code
wildmatch test: use a paranoia pattern from nul_match()
wildmatch test: don't try to vertically align our output
wildmatch test: use more standard shell style
wildmatch test: indent with tabs, not spaces

Merge branch 'po/object-id'Junio C Hamano Thu, 15 Feb 2018 22:55:43 +0000 (14:55 -0800)

Merge branch 'po/object-id'

Conversion from uchar[20] to struct object_id continues.

* po/object-id:
sha1_file: rename hash_sha1_file_literally
sha1_file: convert write_loose_object to object_id
sha1_file: convert force_object_loose to object_id
sha1_file: convert write_sha1_file to object_id
notes: convert write_notes_tree to object_id
notes: convert combine_notes_* to object_id
commit: convert commit_tree* to object_id
match-trees: convert splice_tree to object_id
cache: clear whole hash buffer with oidclr
sha1_file: convert hash_sha1_file to object_id
dir: convert struct sha1_stat to use object_id
sha1_file: convert pretend_sha1_file to object_id

Merge branch 'sb/pull-rebase-submodule'Junio C Hamano Thu, 15 Feb 2018 22:55:43 +0000 (14:55 -0800)

Merge branch 'sb/pull-rebase-submodule'

"git pull --rebase" did not pass verbosity setting down when
recursing into a submodule.

* sb/pull-rebase-submodule:
builtin/pull: respect verbosity settings in submodules

Merge branch 'kg/packed-ref-cache-fix'Junio C Hamano Thu, 15 Feb 2018 22:55:42 +0000 (14:55 -0800)

Merge branch 'kg/packed-ref-cache-fix'

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

* kg/packed-ref-cache-fix:
packed_ref_cache: don't use mmap() for small files
load_contents(): don't try to mmap an empty file
packed_ref_iterator_begin(): make optimization more general
find_reference_location(): make function safe for empty snapshots
create_snapshot(): use `xmemdupz()` rather than a strbuf
struct snapshot: store `start` rather than `header_len`

Merge branch 'jt/fsck-code-cleanup'Junio C Hamano Thu, 15 Feb 2018 22:55:41 +0000 (14:55 -0800)

Merge branch 'jt/fsck-code-cleanup'

Plug recently introduced leaks in fsck.

* jt/fsck-code-cleanup:
fsck: fix leak when traversing trees

Merge branch 'en/merge-recursive-fixes'Junio C Hamano Thu, 15 Feb 2018 22:55:40 +0000 (14:55 -0800)

Merge branch 'en/merge-recursive-fixes'

* en/merge-recursive-fixes:
merge-recursive: add explanation for src_entry and dst_entry
merge-recursive: fix logic ordering issue
Tighten and correct a few testcases for merging and cherry-picking

Merge branch 'jc/worktree-add-short-help'Junio C Hamano Thu, 15 Feb 2018 22:55:40 +0000 (14:55 -0800)

Merge branch 'jc/worktree-add-short-help'

Error message fix.

* jc/worktree-add-short-help:
worktree: say that "add" takes an arbitrary commit in short-help

Merge branch 'ab/sha1dc-build'Junio C Hamano Thu, 15 Feb 2018 22:55:40 +0000 (14:55 -0800)

Merge branch 'ab/sha1dc-build'

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

* ab/sha1dc-build:
sha1dc_git.h: re-arrange an ifdef chain for a subsequent change
Makefile: under "make dist", include the sha1collisiondetection submodule
Makefile: don't error out under DC_SHA1_EXTERNAL if DC_SHA1_SUBMODULE=auto

worktree: add: fix 'post-checkout' not knowing new... Eric Sunshine Thu, 15 Feb 2018 19:18:41 +0000 (14:18 -0500)

worktree: add: fix 'post-checkout' not knowing new worktree location

Although "git worktree add" learned to run the 'post-checkout' hook in
ade546be47 (worktree: invoke post-checkout hook, 2017-12-07), it
neglected to change to the directory of the newly-created worktree
before running the hook. Instead, the hook runs within the directory
from which the "git worktree add" command itself was invoked, which
effectively neuters the hook since it knows nothing about the new
worktree directory.

Further, ade546be47 failed to sanitize the environment before running
the hook, which means that user-assigned values of GIT_DIR and
GIT_WORK_TREE could mislead the hook about the location of the new
worktree. In the case of "git worktree add" being run from a bare
repository, the GIT_DIR="." assigned by Git itself leaks into the hook's
environment and breaks Git commands; this is so even when the working
directory is correctly changed to the new worktree before the hook runs
since ".", relative to the new worktree directory, does not point at the
bare repository.

Fix these problems by (1) changing to the new worktree's directory
before running the hook, and (2) sanitizing the environment of GIT_DIR
and GIT_WORK_TREE so hooks can't be confused by misleading values.

Enhance the t2025 'post-checkout' tests to verify that the hook is
indeed run within the correct directory and that Git commands invoked by
the hook compute Git-dir and top-level worktree locations correctly.

While at it, also add two new tests: (1) verify that the hook is run
within the correct directory even when the new worktree is created from
a sibling worktree (as opposed to the main worktree); (2) verify that
the hook is provided with correct context when the new worktree is
created from a bare repository (test provided by Lars Schneider).

Implementation Notes:

Rather than sanitizing the environment of GIT_DIR and GIT_WORK_TREE, an
alternative would be to set them explicitly, as is already done for
other Git commands run internally by "git worktree add". This patch opts
instead to sanitize the environment in order to clearly document that
the worktree is fully functional by the time the hook is run, thus does
not require special environmental overrides.

The hook is run manually, rather than via run_hook_le(), since it needs
to change the working directory to that of the worktree, and
run_hook_le() does not provide such functionality. As this is a one-off
case, adding 'run_hook' overloads which allow the directory to be set
does not seem warranted at this time.

Reported-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

packfile: refactor hash search with fanout tableJonathan Tan Tue, 13 Feb 2018 18:39:39 +0000 (10:39 -0800)

packfile: refactor hash search with fanout table

Subsequent patches will introduce file formats that make use of a fanout
array and a sorted table containing hashes, just like packfiles.
Refactor the hash search in packfile.c into its own function, so that
those patches can make use of it as well.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

packfile: remove GIT_DEBUG_LOOKUP log statementsJonathan Tan Tue, 13 Feb 2018 18:39:38 +0000 (10:39 -0800)

packfile: remove GIT_DEBUG_LOOKUP log statements

In commit 628522ec1439 ("sha1-lookup: more memory efficient search in
sorted list of SHA-1", 2008-04-09), a different algorithm for searching
a sorted list was introduced, together with a set of log statements
guarded by GIT_DEBUG_LOOKUP that are invoked both when using that
algorithm and when using the existing binary search. Those log
statements was meant for experiments and debugging, but with the removal
of the aforementioned different algorithm in commit f1068efefe6d
("sha1_file: drop experimental GIT_USE_LOOKUP search", 2017-08-09),
those log statements are probably no longer necessary.

Remove those statements.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

apply: handle Subversion diffs with /dev/null gracefullyTatyana Krasnukha Thu, 15 Feb 2018 00:29:34 +0000 (01:29 +0100)

apply: handle Subversion diffs with /dev/null gracefully

Subversion generates diffs that can contain lines like this one:

--- /dev/null (nonexistent)

Let's teach Git's apply machinery to handle such a line gracefully.

This fixes https://github.com/git-for-windows/git/isues/1489

Signed-off-by: Tatyana Krasnukha <tatyana@synopsys.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

apply: demonstrate a problem applying svn diffsJohannes Schindelin Thu, 15 Feb 2018 00:29:27 +0000 (01:29 +0100)

apply: demonstrate a problem applying svn diffs

Subversion generates diffs that contain funny ---/+++ lines containing
more than just the file names. Example:

--- a/trunk/README (revision 4711)
+++ /dev/null (nonexistent)

Let's add a test case demonstrating that apply cannot handle the
/dev/null line (although it can handle the trunk/README line just fine).

Reported in https://github.com/git-for-windows/git/issues/1489

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-status: clarify status table for... Stefan Beller Thu, 15 Feb 2018 00:18:12 +0000 (16:18 -0800)

Documentation/git-status: clarify status table for porcelain mode

It is possible to have the output ' A' from 'git status --porcelain'
by adding a file using the '--intend-to-add' flag. Make this clear by
adding the pattern in the table of the documentation.

However the mode 'DM' (deleted in the index, modified in the working tree)
is not possible in the non-merge case in which the file only shows
as 'D ' (and adding it back to the worktree would show an additional line
of an '??' untracked file). It is also not possible in the merge case as
then the mode involves a 'U' on one side of the merge.
Remove that pattern.

Reported-by: Ross Light <light@google.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile: generate Git(3pm) as dependency of the 'doc... SZEDER Gábor Thu, 15 Feb 2018 02:14:10 +0000 (03:14 +0100)

Makefile: generate Git(3pm) as dependency of the 'doc' and 'man' targets

Since commit 20d2a30f8f (Makefile: replace perl/Makefile.PL with
simple make rules, 2017-12-10), the Git(3pm) man page is only
generated as an indirect dependency of the 'install-doc' and
'install-man' Makefile targets. Consequently, if someone runs 'make
man && sudo make install-man' (or their 'doc' counterparts), then
Git(3pm) will be generated as root, and the resulting root-owned files
and directories will in turn cause the next user-run 'make clean' to
fail. This was not an issue in the past, because Git(3pm) was
generated when 'make all' descended into 'perl/', which is usually not
run as root.

List Git(3pm) as a dependency of the 'doc' and 'man' Makefile targets,
too, so it gets generated by targets that are usually built as
ordinary users.

While at it, add 'install-man-perl' to the list of .PHONY targets.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

rev-parse: rename 'this' variableBrandon Williams Wed, 14 Feb 2018 18:59:27 +0000 (10:59 -0800)

rev-parse: rename 'this' variable

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

pack-objects: rename 'this' variablesBrandon Williams Wed, 14 Feb 2018 18:59:26 +0000 (10:59 -0800)

pack-objects: rename 'this' variables

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

blame: rename 'this' variablesBrandon Williams Wed, 14 Feb 2018 18:59:25 +0000 (10:59 -0800)

blame: rename 'this' variables

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

object: rename function 'typename' to 'type_name'Brandon Williams Wed, 14 Feb 2018 18:59:24 +0000 (10:59 -0800)

object: rename function 'typename' to 'type_name'

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

object_info: change member name from 'typename' to... Brandon Williams Wed, 14 Feb 2018 18:59:23 +0000 (10:59 -0800)

object_info: change member name from 'typename' to 'type_name'

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Correct mispellings of ".gitmodule" to ".gitmodules"Robert P. J. Day Wed, 14 Feb 2018 00:09:31 +0000 (19:09 -0500)

Correct mispellings of ".gitmodule" to ".gitmodules"

There are a small number of misspellings, ".gitmodule", scattered
throughout the code base, correct them ... no apparent functional
changes.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/: correct obvious typo "detahced"Robert P. J. Day Wed, 14 Feb 2018 09:08:01 +0000 (04:08 -0500)

t/: correct obvious typo "detahced"

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

am: support --quitNguyễn Thái Ngọc Duy Wed, 14 Feb 2018 11:16:06 +0000 (18:16 +0700)

am: support --quit

Among the "in progress" commands, only git-am and git-merge do not
support --quit. Support --quit in git-am too.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

sq_dequote: fix extra consumption of source stringJeff King Tue, 13 Feb 2018 23:41:49 +0000 (18:41 -0500)

sq_dequote: fix extra consumption of source string

This fixes a (probably harmless) parsing problem in
sq_dequote_step(), in which we parse some bogus input
incorrectly rather than complaining that it's bogus.

Our shell-dequoting function is very strict: it can unquote
everything generated by sq_quote(), but not arbitrary
strings. In particular, it only allows characters outside of
the single-quoted string if they are immediately backslashed
and then the single-quoted string is resumed. So:

'foo'\''bar'

is OK. But these are not:

'foo'\'bar
'foo'\'
'foo'\'\''bar'

even though they are all valid shell. The parser has a funny
corner case here. When we see a backslashed character, we
keep incrementing the "src" pointer as we parse it. For a
single sq_dequote() call, that's OK; our next step is to
bail with an error, and we don't care where "src" points.

But if we're parsing multiple strings with sq_dequote_to_argv(),
then our next step is to see if the string is followed by
whitespace. Because we erroneously incremented the "src"
pointer, we don't barf on the bogus backslash that we
skipped. Instead, we may find whitespace that immediately
follows it, and continue as if all is well (skipping the
backslashed character completely!).

In practice, this shouldn't be a big deal. The input is
bogus, and our sq_quote() would never generate this bogus
input. In all but one callers, we are parsing input created
by an earlier call to sq_quote(). That final case is "git
shell", which parses shell-quoting generated by the client.
And in that case we use the singular sq_quote(), which has
always behaved correctly.

One might also wonder if you could provoke a read past the
end of the string. But the answer is no; we still parse
character by character, and would never advance past a NUL.

This patch implements the minimal fix, along with
documenting the restriction (which confused at least me
while reading the code). We should possibly consider
being more liberal in accepting valid shell-quoted words. I
suspect the code may actually be simpler, and it would be
more friendly to anybody generating or editing input by
hand. But I wanted to fix just the immediate bug in this
patch.

We don't have a direct way to unit-test the sq_dequote()
functions, but we can do this by feeding input to
GIT_CONFIG_PARAMETERS (which is not normally a user-facing
interface, but serves here as it expects to see sq_quote()
input from "git -c"). I've included both a bogus example,
and a related "good" one to confirm that we still parse it
correctly.

Noticed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: use "unsigned int" for hash storageJeff King Wed, 14 Feb 2018 18:08:57 +0000 (13:08 -0500)

test-hashmap: use "unsigned int" for hash storage

The hashmap API always use an unsigned value for storing
and comparing hashes. Whereas this test code uses "int".
This works out in practice since one can typically
round-trip between "int" and "unsigned int". But since this
is essentially reference code for the hashmap API, we should
model using the correct types.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: simplify alloc_test_entryJeff King Wed, 14 Feb 2018 18:08:20 +0000 (13:08 -0500)

test-hashmap: simplify alloc_test_entry

This function takes two ptr/len pairs, which implies that
they can be arbitrary buffers. But internally, it assumes
that each "ptr" is NUL-terminated at "len" (because we
memcpy an extra byte to pick up the NUL terminator).

In practice this works because each caller only ever passes
strlen(ptr) as the length. But let's drop the "len"
parameters to make our expectations clear.

Note that we can get rid of the "l1" and "l2" variables from
cmd_main() as a further cleanup, since they are now mostly
used to check whether the p1 and p2 arguments are present
(technically the length parameters conflated NULL with the
empty string, which we no longer do, but I think that is
actually an improvement).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: use strbuf_getline rather than fgetsJeff King Wed, 14 Feb 2018 18:07:19 +0000 (13:07 -0500)

test-hashmap: use strbuf_getline rather than fgets

Using fgets() with a fixed-size buffer can lead to lines
being accidentally split across two calls if they are larger
than the buffer size.

As this is just a test helper, this is unlikely to be a
problem in practice. But since people may look at test
helpers as reference code, it's a good idea for them to
model the preferred behavior.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: use xsnprintf rather than snprintfJeff King Wed, 14 Feb 2018 18:06:57 +0000 (13:06 -0500)

test-hashmap: use xsnprintf rather than snprintf

In general, using a bare snprintf can truncate the resulting
buffer, leading to confusing results. In this case we know
that our buffer is sized large enough to accommodate our
loop, so there's no bug. However, we should use xsnprintf()
to document (and check) that assumption, and to model good
practice to people reading the code.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: check allocation computation for overflowJeff King Wed, 14 Feb 2018 18:06:34 +0000 (13:06 -0500)

test-hashmap: check allocation computation for overflow

When we allocate the test_entry flex-struct, we have to add
up all of the elements that go into the flex array. If these
were to overflow a size_t, this would allocate a too-small
buffer, which we would then overflow in our memcpy steps.

Since this is just a test-helper, it probably doesn't matter
in practice, but we should model the correct technique by
using the st_add() macros.

Unfortunately, we cannot use the FLEX_ALLOC() macros here,
because we are stuffing two different buffers into a single
flex array.

While we're here, let's also swap out "malloc" for our
error-checking "xmalloc", and use the preferred
"sizeof(*var)" instead of "sizeof(type)".

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-hashmap: use ALLOC_ARRAY rather than bare mallocJeff King Wed, 14 Feb 2018 18:05:46 +0000 (13:05 -0500)

test-hashmap: use ALLOC_ARRAY rather than bare malloc

These two array allocations have several minor flaws:

- they use bare malloc, rather than our error-checking
xmalloc

- they do a bare multiplication to determine the total
size (which in theory can overflow, though in this case
the sizes are all constants)

- they use sizeof(type), but the type in the second one
doesn't match the actual array (though it's "int" versus
"unsigned int", which are guaranteed by C99 to have the
same size)

None of these are likely to be problems in practice, and
this is just a test helper. But since people often look at
test helpers as reference code, we should do our best to
model the recommended techniques.

Switching to ALLOC_ARRAY fixes all three.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

fsmonitor: update documentation to remove reference... Ben Peart Wed, 14 Feb 2018 15:41:30 +0000 (10:41 -0500)

fsmonitor: update documentation to remove reference to invalid config settings

Remove the reference to setting core.fsmonitor to `true` (or `false`) as those
are not valid settings.

Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Second batch for 2.17Junio C Hamano Wed, 14 Feb 2018 00:22:16 +0000 (16:22 -0800)

Second batch for 2.17

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'tz/doc-show-defaults-to-head'Junio C Hamano Tue, 13 Feb 2018 21:39:17 +0000 (13:39 -0800)

Merge branch 'tz/doc-show-defaults-to-head'

Doc update.

* tz/doc-show-defaults-to-head:
doc: mention 'git show' defaults to HEAD

Merge branch 'ew/svn-branch-segfault-fix'Junio C Hamano Tue, 13 Feb 2018 21:39:16 +0000 (13:39 -0800)

Merge branch 'ew/svn-branch-segfault-fix'

Workaround for segfault with more recent versions of SVN.

* ew/svn-branch-segfault-fix:
git-svn: control destruction order to avoid segfault

Merge branch 'sg/travis-linux32-sanity'Junio C Hamano Tue, 13 Feb 2018 21:39:16 +0000 (13:39 -0800)

Merge branch 'sg/travis-linux32-sanity'

Travis updates.

* sg/travis-linux32-sanity:
travis-ci: don't fail if user already exists on 32 bit Linux build job
travis-ci: don't run the test suite as root in the 32 bit Linux build
travis-ci: don't repeat the path of the cache directory
travis-ci: use 'set -e' in the 32 bit Linux build job
travis-ci: use 'set -x' for the commands under 'su' in the 32 bit Linux build

Merge branch 'nd/list-merge-strategy'Junio C Hamano Tue, 13 Feb 2018 21:39:15 +0000 (13:39 -0800)

Merge branch 'nd/list-merge-strategy'

Completion of "git merge -s<strategy>" (in contrib/) did not work
well in non-C locale.

* nd/list-merge-strategy:
completion: fix completing merge strategies on non-C locales

Merge branch 'jt/long-running-process-doc'Junio C Hamano Tue, 13 Feb 2018 21:39:15 +0000 (13:39 -0800)

Merge branch 'jt/long-running-process-doc'

Doc updates.

* jt/long-running-process-doc:
Docs: split out long-running subprocess handshake

Merge branch 'jk/daemon-fixes'Junio C Hamano Tue, 13 Feb 2018 21:39:15 +0000 (13:39 -0800)

Merge branch 'jk/daemon-fixes'

Assorted fixes to "git daemon".

* jk/daemon-fixes:
daemon: fix length computation in newline stripping
t/lib-git-daemon: add network-protocol helpers
daemon: handle NULs in extended attribute string
daemon: fix off-by-one in logging extended attributes
t/lib-git-daemon: record daemon log
t5570: use ls-remote instead of clone for interp tests

Merge branch 'pw/sequencer-in-process-commit'Junio C Hamano Tue, 13 Feb 2018 21:39:15 +0000 (13:39 -0800)

Merge branch 'pw/sequencer-in-process-commit'

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

* pw/sequencer-in-process-commit:
sequencer: run 'prepare-commit-msg' hook
t7505: add tests for cherry-pick and rebase -i/-p
t7505: style fixes
sequencer: assign only free()able strings to gpg_sign
sequencer: improve config handling
t3512/t3513: remove KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT=1
sequencer: try to commit without forking 'git commit'
sequencer: load commit related config
sequencer: simplify adding Signed-off-by: trailer
commit: move print_commit_summary() to libgit
commit: move post-rewrite code to libgit
Add a function to update HEAD after creating a commit
commit: move empty message checks to libgit
t3404: check intermediate squash messages

Merge branch 'nd/shared-index-fix'Junio C Hamano Tue, 13 Feb 2018 21:39:14 +0000 (13:39 -0800)

Merge branch 'nd/shared-index-fix'

Code clean-up.

* nd/shared-index-fix:
read-cache: don't write index twice if we can't write shared index
read-cache.c: move tempfile creation/cleanup out of write_shared_index
read-cache.c: change type of "temp" in write_shared_index()

Merge branch 'po/http-push-error-message'Junio C Hamano Tue, 13 Feb 2018 21:39:14 +0000 (13:39 -0800)

Merge branch 'po/http-push-error-message'

Debugging aid.

* po/http-push-error-message:
http-push: improve error log

Merge branch 'po/clang-format-functype-weight'Junio C Hamano Tue, 13 Feb 2018 21:39:14 +0000 (13:39 -0800)

Merge branch 'po/clang-format-functype-weight'

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

* po/clang-format-functype-weight:
clang-format: adjust penalty for return type line break

Merge branch 'jc/mailinfo-cleanup-fix'Junio C Hamano Tue, 13 Feb 2018 21:39:14 +0000 (13:39 -0800)

Merge branch 'jc/mailinfo-cleanup-fix'

Corner case bugfix.

* jc/mailinfo-cleanup-fix:
mailinfo: avoid segfault when can't open files

Merge branch 'sg/cocci-move-array'Junio C Hamano Tue, 13 Feb 2018 21:39:13 +0000 (13:39 -0800)

Merge branch 'sg/cocci-move-array'

Code clean-up.

* sg/cocci-move-array:
Use MOVE_ARRAY

Merge branch 'tg/split-index-fixes'Junio C Hamano Tue, 13 Feb 2018 21:39:12 +0000 (13:39 -0800)

Merge branch 'tg/split-index-fixes'

The split-index mode had a few corner case bugs fixed.

* tg/split-index-fixes:
travis: run tests with GIT_TEST_SPLIT_INDEX
split-index: don't write cache tree with null oid entries
read-cache: fix reading the shared index for other repos

Merge branch 'rs/strbuf-cocci-workaround'Junio C Hamano Tue, 13 Feb 2018 21:39:12 +0000 (13:39 -0800)

Merge branch 'rs/strbuf-cocci-workaround'

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

* rs/strbuf-cocci-workaround:
cocci: use format keyword instead of a literal string

Merge branch 'mr/packed-ref-store-fix'Junio C Hamano Tue, 13 Feb 2018 21:39:11 +0000 (13:39 -0800)

Merge branch 'mr/packed-ref-store-fix'

Crash fix for a corner case where an error codepath tried to unlock
what it did not acquire lock on.

* mr/packed-ref-store-fix:
files_initial_transaction_commit(): only unlock if locked

Merge branch 'jt/http-redact-cookies'Junio C Hamano Tue, 13 Feb 2018 21:39:11 +0000 (13:39 -0800)

Merge branch 'jt/http-redact-cookies'

The http tracing code, often used to debug connection issues,
learned to redact potentially sensitive information from its output
so that it can be more safely sharable.

* jt/http-redact-cookies:
http: support omitting data from traces
http: support cookie redaction when tracing

Merge branch 'ds/use-get-be64'Junio C Hamano Tue, 13 Feb 2018 21:39:11 +0000 (13:39 -0800)

Merge branch 'ds/use-get-be64'

Code clean-up.

* ds/use-get-be64:
packfile: use get_be64() for large offsets

Merge branch 'cc/sha1-file-name'Junio C Hamano Tue, 13 Feb 2018 21:39:10 +0000 (13:39 -0800)

Merge branch 'cc/sha1-file-name'

Code clean-up.

* cc/sha1-file-name:
sha1_file: improve sha1_file_name() perfs
sha1_file: remove static strbuf from sha1_file_name()

Merge branch 'nd/trace-with-env'Junio C Hamano Tue, 13 Feb 2018 21:39:10 +0000 (13:39 -0800)

Merge branch 'nd/trace-with-env'

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

* nd/trace-with-env:
run-command.c: print new cwd in trace_run_command()
run-command.c: print env vars in trace_run_command()
run-command.c: print program 'git' when tracing git_cmd mode
run-command.c: introduce trace_run_command()
trace.c: move strbuf_release() out of print_trace_line()
trace: avoid unnecessary quoting
sq_quote_argv: drop maxlen parameter

Merge branch 'pc/submodule-helper'Junio C Hamano Tue, 13 Feb 2018 21:39:10 +0000 (13:39 -0800)

Merge branch 'pc/submodule-helper'

Rewrite two more "git submodule" subcommands in C.

* pc/submodule-helper:
submodule: port submodule subcommand 'deinit' from shell to C
submodule: port submodule subcommand 'sync' from shell to C

Merge branch 'rb/hashmap-h-compilation-fix'Junio C Hamano Tue, 13 Feb 2018 21:39:10 +0000 (13:39 -0800)

Merge branch 'rb/hashmap-h-compilation-fix'

Code clean-up.

* rb/hashmap-h-compilation-fix:
hashmap.h: remove unused variable

Merge branch 'nd/diff-flush-before-warning'Junio C Hamano Tue, 13 Feb 2018 21:39:09 +0000 (13:39 -0800)

Merge branch 'nd/diff-flush-before-warning'

Avoid showing a warning message in the middle of a line of "git
diff" output.

* nd/diff-flush-before-warning:
diff.c: flush stdout before printing rename warnings

Merge branch 'tb/crlf-conv-flags'Junio C Hamano Tue, 13 Feb 2018 21:39:08 +0000 (13:39 -0800)

Merge branch 'tb/crlf-conv-flags'

Code clean-up.

* tb/crlf-conv-flags:
convert_to_git(): safe_crlf/checksafe becomes int conv_flags

Merge branch 'rs/describe-unique-abbrev'Junio C Hamano Tue, 13 Feb 2018 21:39:07 +0000 (13:39 -0800)

Merge branch 'rs/describe-unique-abbrev'

Code clean-up.

* rs/describe-unique-abbrev:
describe: use strbuf_add_unique_abbrev() for adding short hashes

Merge branch 'ks/submodule-doc-updates'Junio C Hamano Tue, 13 Feb 2018 21:39:07 +0000 (13:39 -0800)

Merge branch 'ks/submodule-doc-updates'

Doc updates.

* ks/submodule-doc-updates:
Doc/git-submodule: improve readability and grammar of a sentence
Doc/gitsubmodules: make some changes to improve readability and syntax

Merge branch 'cl/t9001-cleanup'Junio C Hamano Tue, 13 Feb 2018 21:39:07 +0000 (13:39 -0800)

Merge branch 'cl/t9001-cleanup'

Test clean-up.

* cl/t9001-cleanup:
t9001: use existing helper in send-email test

Merge branch 'gs/retire-mru'Junio C Hamano Tue, 13 Feb 2018 21:39:06 +0000 (13:39 -0800)

Merge branch 'gs/retire-mru'

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

* gs/retire-mru:
mru: Replace mru.[ch] with list.h implementation

Merge branch 'ot/mru-on-list'Junio C Hamano Tue, 13 Feb 2018 21:39:05 +0000 (13:39 -0800)

Merge branch 'ot/mru-on-list'

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

* ot/mru-on-list:
mru: use double-linked list from list.h

Merge branch 'jh/partial-clone'Junio C Hamano Tue, 13 Feb 2018 21:39:04 +0000 (13:39 -0800)

Merge branch 'jh/partial-clone'

The machinery to clone & fetch, which in turn involves packing and
unpacking objects, have been told how to omit certain objects using
the filtering mechanism introduced by the jh/object-filtering
topic, and also mark the resulting pack as a promisor pack to
tolerate missing objects, taking advantage of the mechanism
introduced by the jh/fsck-promisors topic.

* jh/partial-clone:
t5616: test bulk prefetch after partial fetch
fetch: inherit filter-spec from partial clone
t5616: end-to-end tests for partial clone
fetch-pack: restore save_commit_buffer after use
unpack-trees: batch fetching of missing blobs
clone: partial clone
partial-clone: define partial clone settings in config
fetch: support filters
fetch: refactor calculation of remote list
fetch-pack: test support excluding large blobs
fetch-pack: add --no-filter
fetch-pack, index-pack, transport: partial clone
upload-pack: add object filtering for partial clone

Merge branch 'jh/fsck-promisors'Junio C Hamano Tue, 13 Feb 2018 21:39:03 +0000 (13:39 -0800)

Merge branch 'jh/fsck-promisors'

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

* jh/fsck-promisors:
gc: do not repack promisor packfiles
rev-list: support termination at promisor objects
sha1_file: support lazily fetching missing objects
introduce fetch-object: fetch one promisor object
index-pack: refactor writing of .keep files
fsck: support promisor objects as CLI argument
fsck: support referenced promisor objects
fsck: support refs pointing to promisor objects
fsck: introduce partialclone extension
extension.partialclone: introduce partial clone extension

Merge branch 'ab/simplify-perl-makefile'Junio C Hamano Tue, 13 Feb 2018 21:39:03 +0000 (13:39 -0800)

Merge branch 'ab/simplify-perl-makefile'

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

* ab/simplify-perl-makefile:
perl: treat PERLLIB_EXTRA as an extra path again
perl: avoid *.pmc and fix Error.pm further
Makefile: replace perl/Makefile.PL with simple make rules

add -p: improve error messagesPhillip Wood Tue, 13 Feb 2018 10:32:41 +0000 (10:32 +0000)

add -p: improve error messages

If the user presses a key that isn't currently active then explain why
it isn't active rather than just listing all the keys. It already did
this for some keys, this patch does the same for the those that
weren't already handled.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

add -p: only bind search key if there's more than one... Phillip Wood Tue, 13 Feb 2018 10:32:40 +0000 (10:32 +0000)

add -p: only bind search key if there's more than one hunk

If there is only a single hunk then disable searching as there is
nothing to search for. Also print a specific error message if the user
tries to search with '/' when there's only a single hunk rather than
just listing the key bindings.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

add -p: only display help for active keysPhillip Wood Tue, 13 Feb 2018 10:32:39 +0000 (10:32 +0000)

add -p: only display help for active keys

If the user presses a key that add -p wasn't expecting then it prints
a list of key bindings. Although the prompt only lists the active
bindings the help was printed for all bindings. Fix this by using the
list of keys in the prompt to filter the help. Note that the list of
keys was already passed to help_patch_cmd() by the caller so there is
no change needed to the call site.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Mark messages for translationsAlexander Shopov Tue, 13 Feb 2018 13:19:15 +0000 (14:19 +0100)

Mark messages for translations

Small changes in messages to fit the style and typography of rest.
Reuse already translated messages if possible.
Do not translate messages aimed at developers of git.
Fix unit tests depending on the original string.
Use `test_i18ngrep` for tests with translatable strings.
Change and verify rest of tests via `make GETTEXT_POISON=1 test`.

Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t6300-for-each-ref: fix "more than one quoting style... SZEDER Gábor Tue, 13 Feb 2018 00:36:01 +0000 (01:36 +0100)

t6300-for-each-ref: fix "more than one quoting style" tests

'git for-each-ref' should error out when invoked with more than one
quoting style options. The tests checking this have two issues:

- They run 'git for-each-ref' upstream of a pipe, hiding its exit
code, thus don't actually checking that 'git for-each-ref' exits
with error code.

- They check the error message in a rather roundabout way.

Ensure that 'git for-each-ref' exits with an error code using the
'test_must_fail' helper function, and check its error message by
grepping its saved standard error.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

color.h: document and modernize headerStefan Beller Tue, 13 Feb 2018 01:41:30 +0000 (17:41 -0800)

color.h: document and modernize header

Add documentation explaining the functions in color.h.
While at it, migrate the function `color_set` into grep.c,
where the only callers are.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

docs/interpret-trailers: fix agreement errorbrian m. carlson Tue, 13 Feb 2018 02:23:52 +0000 (02:23 +0000)

docs/interpret-trailers: fix agreement error

In the description of git interpret-trailers, we describe "a group…of
lines" that have certain characteristics. Ensure both options
describing this group use a singular verb for parallelism.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

rebase: introduce and use pseudo-ref REBASE_HEADNguyễn Thái Ngọc Duy Sun, 11 Feb 2018 09:43:28 +0000 (16:43 +0700)

rebase: introduce and use pseudo-ref REBASE_HEAD

The new command `git rebase --show-current-patch` is useful for seeing
the commit related to the current rebase state. Some however may find
the "git show" command behind it too limiting. You may want to
increase context lines, do a diff that ignores whitespaces...

For these advanced use cases, the user can execute any command they
want with the new pseudo ref REBASE_HEAD.

This also helps show where the stopped commit is from, which is hard
to see from the previous patch which implements --show-current-patch.

Helped-by: Tim Landscheidt <tim@tim-landscheidt.de>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

rebase: add --show-current-patchNguyễn Thái Ngọc Duy Sun, 11 Feb 2018 09:43:27 +0000 (16:43 +0700)

rebase: add --show-current-patch

It is useful to see the full patch while resolving conflicts in a
rebase. The only way to do it now is

less .git/rebase-*/patch

which could turn out to be a lot longer to type if you are in a
linked worktree, or not at top-dir. On top of that, an ordinary user
should not need to peek into .git directory. The new option is
provided to examine the patch.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

am: add --show-current-patchNguyễn Thái Ngọc Duy Sun, 11 Feb 2018 09:43:26 +0000 (16:43 +0700)

am: add --show-current-patch

Pointing the user to $GIT_DIR/rebase-apply may encourage them to mess
around in there, which is not a good thing. With this, the user does
not have to keep the path around somewhere (because after a couple of
commands, the path may be out of scrollback buffer) when they need to
look at the patch.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree remove: allow it when $GIT_WORK_TREE is alread... Nguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:40 +0000 (16:49 +0700)

worktree remove: allow it when $GIT_WORK_TREE is already gone

"git worktree remove" basically consists of two things

- delete $GIT_WORK_TREE
- delete $GIT_DIR (which is $SUPER_GIT_DIR/worktrees/something)

If $GIT_WORK_TREE is already gone for some reason, we should be able
to finish the job by deleting $GIT_DIR.

Two notes:

- $GIT_WORK_TREE _can_ be missing if the worktree is locked. In that
case we must not delete $GIT_DIR because the real $GIT_WORK_TREE may
be in a usb stick somewhere. This is already handled because we
check for lock first.

- validate_worktree() is still called because it may do more checks in
future (and it already does something else, like checking main
worktree, but that's irrelevant in this case)

Noticed-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree remove: new commandNguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:39 +0000 (16:49 +0700)

worktree remove: new command

This command allows to delete a worktree. Like 'move' you cannot
remove the main worktree, or one with submodules inside [1].

For deleting $GIT_WORK_TREE, Untracked files or any staged entries are
considered precious and therefore prevent removal by default. Ignored
files are not precious.

When it comes to deleting $GIT_DIR, there's no "clean" check because
there should not be any valuable data in there, except:

- HEAD reflog. There is nothing we can do about this until somebody
steps up and implements the ref graveyard.

- Detached HEAD. Technically it can still be recovered. Although it
may be nice to warn about orphan commits like 'git checkout' does.

[1] We do 'git status' with --ignore-submodules=all for safety
anyway. But this needs a closer look by submodule people before we
can allow deletion. For example, if a submodule is totally clean,
but its repo not absorbed to the main .git dir, then deleting
worktree also deletes the valuable .submodule repo too.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree move: refuse to move worktrees with submodulesNguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:38 +0000 (16:49 +0700)

worktree move: refuse to move worktrees with submodules

Submodules contains .git files with relative paths. After a worktree
move, these files need to be updated or they may point to nowhere.

This is a bandage patch to make sure "worktree move" don't break
people's worktrees by accident. When .git file update code is in
place, this validate_no_submodules() could be removed.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree move: accept destination as directoryNguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:37 +0000 (16:49 +0700)

worktree move: accept destination as directory

Similar to "mv a b/", which is actually "mv a b/a", we extract basename
of source worktree and create a directory of the same name at
destination if dst path is a directory.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree move: new commandNguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:36 +0000 (16:49 +0700)

worktree move: new command

This command allows to relocate linked worktrees. Main worktree cannot
(yet) be moved.

There are two options to move the main worktree, but both have
complications, so it's not implemented yet. Anyway the options are:

- convert the main worktree to a linked one and move it away, leave
the git repository where it is. The repo essentially becomes bare
after this move.

- move the repository with the main worktree. The tricky part is make
sure all file descriptors to the repository are closed, or it may
fail on Windows.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

worktree.c: add update_worktree_location()Nguyễn Thái Ngọc Duy Mon, 12 Feb 2018 09:49:35 +0000 (16:49 +0700)

worktree.c: add update_worktree_location()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

check-ignore: fix mix of directories and other file... René Scharfe Sat, 10 Feb 2018 12:38:29 +0000 (13:38 +0100)

check-ignore: fix mix of directories and other file types

In check_ignore(), the first pathspec item determines the dtype for any
subsequent ones. That means that a pathspec matching a regular file can
prevent following pathspecs from matching directories, which makes no
sense. Fix that by determining the dtype for each pathspec separately,
by passing the value DT_UNKNOWN to last_exclude_matching() each time.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

send-email: error out when relogin delay is missingStefan Beller Mon, 12 Feb 2018 19:44:04 +0000 (11:44 -0800)

send-email: error out when relogin delay is missing

When the batch size is neither configured nor given on the command
line, but the relogin delay is given, then the current code ignores
the relogin delay setting.

This is unsafe as there was some intention when setting the batch size.
One workaround would be to just assume a batch size of 1 as a default.
This however may be bad UX, as then the user may wonder why it is sending
slowly without apparent batching.

Error out for now instead of potentially confusing the user.
As 5453b83bdf (send-email: --batch-size to work around some SMTP
server limit, 2017-05-21) lays out, we rather want to not have this
interface anyway and would rather want to react on the server throttling
dynamically.

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>