gitweb.git
Merge branch 'kf/http-proxy-auth-methods'Junio C Hamano Wed, 3 Feb 2016 22:16:08 +0000 (14:16 -0800)

Merge branch 'kf/http-proxy-auth-methods'

New http.proxyAuthMethod configuration variable can be used to
specify what authentication method to use, as a way to work around
proxies that do not give error response expected by libcurl when
CURLAUTH_ANY is used. Also, the codepath for proxy authentication
has been taught to use credential API to store the authentication
material in user's keyrings.

* kf/http-proxy-auth-methods:
http: use credential API to handle proxy authentication
http: allow selection of proxy authentication method

Merge branch 'jk/ref-cache-non-repository-optim'Junio C Hamano Wed, 3 Feb 2016 22:16:07 +0000 (14:16 -0800)

Merge branch 'jk/ref-cache-non-repository-optim'

The underlying machinery used by "ls-files -o" and other commands
have been taught not to create empty submodule ref cache for a
directory that is not a submodule. This removes a ton of wasted
CPU cycles.

* jk/ref-cache-non-repository-optim:
resolve_gitlink_ref: ignore non-repository paths
clean: make is_git_repository a public function

Merge branch 'ls/travis-prove-order'Junio C Hamano Wed, 3 Feb 2016 22:16:07 +0000 (14:16 -0800)

Merge branch 'ls/travis-prove-order'

Automated tests in Travis CI environment has been optimized by
persisting runtime statistics of previous "prove" run, executing
tests that take longer before other ones; this reduces the total
wallclock time.

* ls/travis-prove-order:
travis-ci: explicity use container-based infrastructure
travis-ci: run previously failed tests first, then slowest to fastest

Merge branch 'dt/unpack-compare-entry-optim'Junio C Hamano Wed, 3 Feb 2016 22:16:06 +0000 (14:16 -0800)

Merge branch 'dt/unpack-compare-entry-optim'

"git checkout $branch" (and other operations that share the same
underlying machinery) has been optimized.

* dt/unpack-compare-entry-optim:
unpack-trees: fix accidentally quadratic behavior
do_compare_entry: use already-computed path

Merge branch 'js/dirname-basename'Junio C Hamano Wed, 3 Feb 2016 22:16:06 +0000 (14:16 -0800)

Merge branch 'js/dirname-basename'

dirname() emulation has been added, as Msys2 lacks it.

* js/dirname-basename:
mingw: avoid linking to the C library's isalpha()
t0060: loosen overly strict expectations
t0060: verify that basename() and dirname() work as expected
compat/basename.c: provide a dirname() compatibility function
compat/basename: make basename() conform to POSIX
Refactor skipping DOS drive prefixes

Merge branch 'pw/completion-stash'Junio C Hamano Wed, 3 Feb 2016 22:16:06 +0000 (14:16 -0800)

Merge branch 'pw/completion-stash'

* pw/completion-stash:
completion: update completion arguments for stash

Merge branch 'pw/completion-show-branch'Junio C Hamano Wed, 3 Feb 2016 22:16:05 +0000 (14:16 -0800)

Merge branch 'pw/completion-show-branch'

* pw/completion-show-branch:
completion: complete show-branch "--date-order"

Merge branch 'jk/completion-rebase'Junio C Hamano Wed, 3 Feb 2016 22:16:05 +0000 (14:16 -0800)

Merge branch 'jk/completion-rebase'

* jk/completion-rebase:
completion: add missing git-rebase options

Merge branch 'nd/diff-with-path-params'Junio C Hamano Wed, 3 Feb 2016 22:16:04 +0000 (14:16 -0800)

Merge branch 'nd/diff-with-path-params'

A few options of "git diff" did not work well when the command was
run from a subdirectory.

* nd/diff-with-path-params:
diff: make -O and --output work in subdirectory
diff-no-index: do not take a redundant prefix argument

Merge branch 'lv/add-doc-working-tree'Junio C Hamano Wed, 3 Feb 2016 22:16:04 +0000 (14:16 -0800)

Merge branch 'lv/add-doc-working-tree'

* lv/add-doc-working-tree:
git-add doc: do not say working directory when you mean working tree

Merge branch 'dw/subtree-split-do-not-drop-merge'Junio C Hamano Wed, 3 Feb 2016 22:16:03 +0000 (14:16 -0800)

Merge branch 'dw/subtree-split-do-not-drop-merge'

The "split" subcommand of "git subtree" (in contrib/) incorrectly
skipped merges when it shouldn't, which was corrected.

* dw/subtree-split-do-not-drop-merge:
contrib/subtree: fix "subtree split" skipped-merge bug

Merge branch 'tb/complete-word-diff-regex'Junio C Hamano Wed, 3 Feb 2016 22:16:03 +0000 (14:16 -0800)

Merge branch 'tb/complete-word-diff-regex'

* tb/complete-word-diff-regex:
completion: complete "diff --word-diff-regex="

Merge branch 'mk/asciidoctor-bq-workaround'Junio C Hamano Wed, 3 Feb 2016 22:16:01 +0000 (14:16 -0800)

Merge branch 'mk/asciidoctor-bq-workaround'

* mk/asciidoctor-bq-workaround:
Documentation: remove unnecessary backslashes

Merge branch 'dg/subtree-test'Junio C Hamano Wed, 3 Feb 2016 22:16:00 +0000 (14:16 -0800)

Merge branch 'dg/subtree-test'

* dg/subtree-test:
contrib/subtree: Make testing easier

Merge branch 'tg/ls-remote-symref'Junio C Hamano Wed, 3 Feb 2016 22:16:00 +0000 (14:16 -0800)

Merge branch 'tg/ls-remote-symref'

"ls-remote" learned an option to show which branch the remote
repository advertises as its primary by pointing its HEAD at.

* tg/ls-remote-symref:
ls-remote: add support for showing symrefs
ls-remote: use parse-options api
ls-remote: fix synopsis
ls-remote: document --refs option
ls-remote: document --quiet option

Merge branch 'tb/ls-files-eol'Junio C Hamano Wed, 3 Feb 2016 22:15:59 +0000 (14:15 -0800)

Merge branch 'tb/ls-files-eol'

"git ls-files" learned a new "--eol" option to help diagnose
end-of-line problems.

* tb/ls-files-eol:
ls-files: add eol diagnostics

Merge branch 'jk/notes-merge-from-anywhere'Junio C Hamano Wed, 3 Feb 2016 22:15:59 +0000 (14:15 -0800)

Merge branch 'jk/notes-merge-from-anywhere'

"git notes merge" used to limit the source of the merged notes tree
to somewhere under refs/notes/ hierarchy, which was too limiting
when inventing a workflow to exchange notes with remote
repositories using remote-tracking notes trees (located in e.g.
refs/remote-notes/ or somesuch).

* jk/notes-merge-from-anywhere:
notes: allow merging from arbitrary references

Merge branch 'jc/peace-with-crlf'Junio C Hamano Wed, 3 Feb 2016 22:15:58 +0000 (14:15 -0800)

Merge branch 'jc/peace-with-crlf'

Many commands that read files that are expected to contain text
that is generated (or can be edited) by the end user to control
their behaviour (e.g. "git grep -f <filename>") have been updated
to be more tolerant to lines that are terminated with CRLF (they
used to treat such a line to contain payload that ends with CR,
which is usually not what the users expect).

* jc/peace-with-crlf:
test-sha1-array: read command stream with strbuf_getline()
grep: read -f file with strbuf_getline()
send-pack: read list of refs with strbuf_getline()
column: read lines with strbuf_getline()
cat-file: read batch stream with strbuf_getline()
transport-helper: read helper response with strbuf_getline()
clone/sha1_file: read info/alternates with strbuf_getline()
remote.c: read $GIT_DIR/remotes/* with strbuf_getline()
ident.c: read /etc/mailname with strbuf_getline()
rev-parse: read parseopt spec with strbuf_getline()
revision: read --stdin with strbuf_getline()
hash-object: read --stdin-paths with strbuf_getline()

Getting closer to 2.7.1Junio C Hamano Mon, 1 Feb 2016 23:17:29 +0000 (15:17 -0800)

Getting closer to 2.7.1

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

Merge branch 'jk/list-tag-2.7-regression'Junio C Hamano Mon, 1 Feb 2016 23:14:24 +0000 (15:14 -0800)

Merge branch 'jk/list-tag-2.7-regression'

"git tag" started listing a tag "foo" as "tags/foo" when a branch
named "foo" exists in the same repository; remove this unnecessary
disambiguation, which is a regression introduced in v2.7.0.

* jk/list-tag-2.7-regression:
tag: do not show ambiguous tag names as "tags/foo"
t6300: use test_atom for some un-modern tests

Merge branch 'ew/svn-1.9.0-auth'Junio C Hamano Mon, 1 Feb 2016 23:14:23 +0000 (15:14 -0800)

Merge branch 'ew/svn-1.9.0-auth'

* ew/svn-1.9.0-auth:
git-svn: fix auth parameter handling on SVN 1.9.0+

Fourth batch for 2.8.cycleJunio C Hamano Fri, 29 Jan 2016 00:14:25 +0000 (16:14 -0800)

Fourth batch for 2.8.cycle

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

Merge branch 'jk/shortlog'Junio C Hamano Fri, 29 Jan 2016 00:10:14 +0000 (16:10 -0800)

Merge branch 'jk/shortlog'

"git shortlog" used to accumulate various pieces of information
regardless of what was asked to be shown in the final output. It
has been optimized by noticing what need not to be collected
(e.g. there is no need to collect the log messages when showing
only the number of changes).

* jk/shortlog:
shortlog: don't warn on empty author
shortlog: optimize out useless string list
shortlog: optimize out useless "<none>" normalization
shortlog: optimize "--summary" mode
shortlog: replace hand-parsing of author with pretty-printer
shortlog: use strbufs to read from stdin
shortlog: match both "Author:" and "author" on stdin

Merge branch 'jc/strbuf-getline'Junio C Hamano Fri, 29 Jan 2016 00:10:14 +0000 (16:10 -0800)

Merge branch 'jc/strbuf-getline'

The preliminary clean-up for jc/peace-with-crlf topic.

* jc/strbuf-getline:
strbuf: give strbuf_getline() to the "most text friendly" variant
checkout-index: there are only two possible line terminations
update-index: there are only two possible line terminations
check-ignore: there are only two possible line terminations
check-attr: there are only two possible line terminations
mktree: there are only two possible line terminations
strbuf: introduce strbuf_getline_{lf,nul}()
strbuf: make strbuf_getline_crlf() global
strbuf: miniscule style fix

Merge branch 'js/msys2'Junio C Hamano Fri, 29 Jan 2016 00:10:13 +0000 (16:10 -0800)

Merge branch 'js/msys2'

Beginning of the upstreaming process of Git for Windows effort.

* js/msys2:
mingw: uglify (a, 0) definitions to shut up warnings
mingw: squash another warning about a cast
mingw: avoid warnings when casting HANDLEs to int
mingw: avoid redefining S_* constants
compat/winansi: support compiling with MSys2
compat/mingw: support MSys2-based MinGW build
nedmalloc: allow compiling with MSys2's compiler
config.mak.uname: supporting 64-bit MSys2
config.mak.uname: support MSys2

Merge branch 'tk/interpret-trailers-in-place'Junio C Hamano Fri, 29 Jan 2016 00:10:13 +0000 (16:10 -0800)

Merge branch 'tk/interpret-trailers-in-place'

"interpret-trailers" has been taught to optionally update a file in
place, instead of always writing the result to the standard output.

* tk/interpret-trailers-in-place:
interpret-trailers: add option for in-place editing
trailer: allow to write to files other than stdout

Merge branch 'jk/sanity'Junio C Hamano Fri, 29 Jan 2016 00:10:13 +0000 (16:10 -0800)

Merge branch 'jk/sanity'

The description for SANITY prerequisite the test suite uses has
been clarified both in the comment and in the implementation.

* jk/sanity:
test-lib: clarify and tighten SANITY

Merge branch 'jk/filter-branch-no-index'Junio C Hamano Fri, 29 Jan 2016 00:10:12 +0000 (16:10 -0800)

Merge branch 'jk/filter-branch-no-index'

A recent optimization to filter-branch in v2.7.0 introduced a
regression when --prune-empty filter is used, which has been
corrected.

* jk/filter-branch-no-index:
filter-branch: resolve $commit^{tree} in no-index case

git-svn: fix auth parameter handling on SVN 1.9.0+Eric Wong Sat, 16 Jan 2016 10:17:19 +0000 (10:17 +0000)

git-svn: fix auth parameter handling on SVN 1.9.0+

For users with "store-passwords = no" set in the "[auth]" section of
their ~/.subversion/config, SVN 1.9.0+ would fail with the
following message when attempting to call svn_auth_set_parameter:

Value is not a string (or undef) at Git/SVN/Ra.pm

Ironically, this breakage was caused by r1553823 in subversion:

"Make svn_auth_set_parameter() usable from Perl bindings."

Since 2007 (602015e0e6ec), git-svn has used a workaround to make
svn_auth_set_parameter usable internally. However this workaround
breaks under SVN 1.9+, which deals properly with the type mapping
and fails to recognize our workaround.

For pre-1.9.0 SVN, we continue to use the existing workaround for
the lack of proper type mapping in the bindings.

Tested under subversion 1.6.17 and 1.9.3.

I've also verified r1553823 was not backported to SVN 1.8.x:

BRANCH=http://svn.apache.org/repos/asf/subversion/branches/1.8.x
svn log -v $BRANCH/subversion/bindings/swig/core.i

ref: https://bugs.debian.org/797705
Cc: 797705@bugs.debian.org
Reported-by: Thierry Vignaud <thierry.vignaud@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Tested-by: Thierry Vignaud <thierry.vignaud@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Third batch for 2.8 cycleJunio C Hamano Tue, 26 Jan 2016 23:41:04 +0000 (15:41 -0800)

Third batch for 2.8 cycle

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

Merge branch 'jk/symbolic-ref'Junio C Hamano Tue, 26 Jan 2016 23:40:30 +0000 (15:40 -0800)

Merge branch 'jk/symbolic-ref'

The low-level code that is used to create symbolic references has
been updated to share more code with the code that deals with
normal references.

* jk/symbolic-ref:
lock_ref_sha1_basic: handle REF_NODEREF with invalid refs
lock_ref_sha1_basic: always fill old_oid while holding lock
checkout,clone: check return value of create_symref
create_symref: write reflog while holding lock
create_symref: use existing ref-lock code
create_symref: modernize variable names

Merge branch 'ak/format-patch-odir-config'Junio C Hamano Tue, 26 Jan 2016 23:40:30 +0000 (15:40 -0800)

Merge branch 'ak/format-patch-odir-config'

"git format-patch" learned to notice format.outputDirectory
configuration variable. This allows "-o <dir>" option to be
omitted on the command line if you always use the same directory in
your workflow.

* ak/format-patch-odir-config:
format-patch: introduce format.outputDirectory configuration

Merge branch 'rp/p4-filetype-change'Junio C Hamano Tue, 26 Jan 2016 23:40:29 +0000 (15:40 -0800)

Merge branch 'rp/p4-filetype-change'

* rp/p4-filetype-change:
git-p4.py: add support for filetype change

Merge branch 'js/close-packs-before-gc'Junio C Hamano Tue, 26 Jan 2016 23:40:29 +0000 (15:40 -0800)

Merge branch 'js/close-packs-before-gc'

Many codepaths that run "gc --auto" before exiting kept packfiles
mapped and left the file descriptors to them open, which was not
friendly to systems that cannot remove files that are open. They
now close the packs before doing so.

* js/close-packs-before-gc:
receive-pack: release pack files before garbage-collecting
merge: release pack files before garbage-collecting
am: release pack files before garbage-collecting
fetch: release pack files before garbage-collecting

Merge branch 'jk/ok-to-fail-gc-auto-in-rebase'Junio C Hamano Tue, 26 Jan 2016 23:40:29 +0000 (15:40 -0800)

Merge branch 'jk/ok-to-fail-gc-auto-in-rebase'

"git rebase", unlike all other callers of "gc --auto", did not
ignore the exit code from "gc --auto".

* jk/ok-to-fail-gc-auto-in-rebase:
rebase: ignore failures from "gc --auto"

Merge branch 'js/pull-rebase-i'Junio C Hamano Tue, 26 Jan 2016 23:40:28 +0000 (15:40 -0800)

Merge branch 'js/pull-rebase-i'

"git pull --rebase" has been extended to allow invoking
"rebase -i".

* js/pull-rebase-i:
completion: add missing branch.*.rebase values
remote: handle the config setting branch.*.rebase=interactive
pull: allow interactive rebase with --rebase=interactive

tag: do not show ambiguous tag names as "tags/foo"Jeff King Tue, 26 Jan 2016 03:00:05 +0000 (22:00 -0500)

tag: do not show ambiguous tag names as "tags/foo"

Since b7cc53e9 (tag.c: use 'ref-filter' APIs, 2015-07-11),
git-tag has started showing tags with ambiguous names (i.e.,
when both "heads/foo" and "tags/foo" exists) as "tags/foo"
instead of just "foo". This is both:

- pointless; the output of "git tag" includes only
refs/tags, so we know that "foo" means the one in
"refs/tags".

and

- ambiguous; in the original output, we know that the line
"foo" means that "refs/tags/foo" exists. In the new
output, it is unclear whether we mean "refs/tags/foo" or
"refs/tags/tags/foo".

The reason this happens is that commit b7cc53e9 switched
git-tag to use ref-filter's "%(refname:short)" output
formatting, which was adapted from for-each-ref. This more
general code does not know that we care only about tags, and
uses shorten_unambiguous_ref to get the short-name. We need
to tell it that we care only about "refs/tags/", and it
should shorten with respect to that value.

In theory, the ref-filter code could figure this out by us
passing FILTER_REFS_TAGS. But there are two complications
there:

1. The handling of refname:short is deep in formatting
code that does not even have our ref_filter struct, let
alone the arguments to the filter_ref struct.

2. In git v2.7.0, we expose the formatting language to the
user. If we follow this path, it will mean that
"%(refname:short)" behaves differently for "tag" versus
"for-each-ref" (including "for-each-ref refs/tags/"),
which can lead to confusion.

Instead, let's add a new modifier to the formatting
language, "strip", to remove a specific set of prefix
components. This fixes "git tag", and lets users invoke the
same behavior from their own custom formats (for "tag" or
"for-each-ref") while leaving ":short" with its same
consistent meaning in all places.

We introduce a test in t7004 for "git tag", which fails
without this patch. We also add a similar test in t3203 for
"git branch", which does not actually fail. But since it is
likely that "branch" will eventually use the same formatting
code, the test helps defend against future regressions.

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

http: use credential API to handle proxy authenticationKnut Franke Tue, 26 Jan 2016 13:02:48 +0000 (13:02 +0000)

http: use credential API to handle proxy authentication

Currently, the only way to pass proxy credentials to curl is by including them
in the proxy URL. Usually, this means they will end up on disk unencrypted, one
way or another (by inclusion in ~/.gitconfig, shell profile or history). Since
proxy authentication often uses a domain user, credentials can be security
sensitive; therefore, a safer way of passing credentials is desirable.

If the configured proxy contains a username but not a password, query the
credential API for one. Also, make sure we approve/reject proxy credentials
properly.

For consistency reasons, add parsing of http_proxy/https_proxy/all_proxy
environment variables, which would otherwise be evaluated as a fallback by curl.
Without this, we would have different semantics for git configuration and
environment variables.

Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Elia Pinto <gitter.spiros@gmail.com>
Signed-off-by: Knut Franke <k.franke@science-computing.de>
Signed-off-by: Elia Pinto <gitter.spiros@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

http: allow selection of proxy authentication methodKnut Franke Tue, 26 Jan 2016 13:02:47 +0000 (13:02 +0000)

http: allow selection of proxy authentication method

CURLAUTH_ANY does not work with proxies which answer unauthenticated requests
with a 307 redirect to an error page instead of a 407 listing supported
authentication methods. Therefore, allow the authentication method to be set
using the environment variable GIT_HTTP_PROXY_AUTHMETHOD or configuration
variables http.proxyAuthmethod and remote.<name>.proxyAuthmethod (in analogy
to http.proxy and remote.<name>.proxy).

The following values are supported:

* anyauth (default)
* basic
* digest
* negotiate
* ntlm

Signed-off-by: Knut Franke <k.franke@science-computing.de>
Signed-off-by: Elia Pinto <gitter.spiros@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Elia Pinto <gitter.spiros@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

travis-ci: explicity use container-based infrastructureLars Schneider Tue, 26 Jan 2016 09:53:43 +0000 (10:53 +0100)

travis-ci: explicity use container-based infrastructure

Set `sudo: false` to explicitly use the (faster) container-based
infrastructure for the Travis-CI Linux build.

More info:
https://docs.travis-ci.com/user/ci-environment/#Virtualization-environments

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

travis-ci: run previously failed tests first, then... Lars Schneider Tue, 26 Jan 2016 09:53:42 +0000 (10:53 +0100)

travis-ci: run previously failed tests first, then slowest to fastest

The Travis-CI machines are in a clean state in the beginning of every run
(transient by default). Use the Travis-CI cache feature to make the prove
state persistent across consecutive Travis-CI runs on the same branch.
This allows to run previously failed tests first and run remaining tests
in slowest to fastest order. As a result it is less likely that Travis-CI
needs to wait for a single test at the end which speeds up the test suite
execution by ~2 min.

Travis-CI can only cache entire directories. Prove stores the .prove file
always in the t/ directory but we don't want to cache the entire t/ directory.
Therefore we create a symlink from $HOME/travis-cache/.prove to t/.prove and
cache the $HOME/travis-cache directory.

Unfortunately the cache feature is only available (for free) on the
Travis-CI Linux environment.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

completion: update completion arguments for stashPaul Wagland Tue, 26 Jan 2016 09:37:19 +0000 (10:37 +0100)

completion: update completion arguments for stash

Add --all and --include-untracked to the git stash save completions.
Add --quiet to the git stash drop completions.
Update git stash branch so that the first argument expands out to the
possible branch names, and the other arguments expand to the stash
names.

Signed-off-by: Paul Wagland <paul@kungfoocoder.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

completion: complete show-branch "--date-order"Paul Wagland Sat, 23 Jan 2016 01:25:54 +0000 (02:25 +0100)

completion: complete show-branch "--date-order"

Signed-off-by: Paul Wagland <paul@kungfoocoder.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

completion: add missing git-rebase optionsJohn Keeping Thu, 21 Jan 2016 20:52:24 +0000 (20:52 +0000)

completion: add missing git-rebase options

This adds the --no-* variants where those are documented in
git-rebase(1).

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

mingw: avoid linking to the C library's isalpha()Johannes Sixt Mon, 25 Jan 2016 21:47:56 +0000 (22:47 +0100)

mingw: avoid linking to the C library's isalpha()

The implementation of mingw_skip_dos_drive_prefix() calls isalpha() via
has_dos_drive_prefix(). Since the definition occurs long before isalpha()
is defined in git-compat-util.h, my build environment reports:

CC alloc.o
In file included from git-compat-util.h:186,
from cache.h:4,
from alloc.c:12:
compat/mingw.h: In function 'mingw_skip_dos_drive_prefix':
compat/mingw.h:365: warning: implicit declaration of function 'isalpha'

Dscho does not see a similar warning in his build and suspects that
ctype.h is included somehow behind the scenes. This implies that his build
links to the C library's isalpha() and does not use git's isalpha().

To fix both the warning in my build and the inconsistency in Dscho's
build, move the function definition to mingw.c. Then it picks up git's
isalpha() because git-compat-util.h is included at the top of the file.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t6300: use test_atom for some un-modern testsJeff King Sun, 24 Jan 2016 23:08:18 +0000 (18:08 -0500)

t6300: use test_atom for some un-modern tests

Because this script has to test so many formatters, we have
the nice "test_atom" helper, but we don't use it
consistently. Let's do so. This is shorter, gets rid of some
tests that have their "expected" setup outside of a
test_expect_success block, and lets us organize the changes
better (e.g., putting "refname:short" near "refname").

We also expand the "%(push)" tests a little to match the
"%(upstream)" ones.

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

resolve_gitlink_ref: ignore non-repository pathsJeff King Fri, 22 Jan 2016 22:29:30 +0000 (17:29 -0500)

resolve_gitlink_ref: ignore non-repository paths

When we want to look up a submodule ref, we use
get_ref_cache(path) to find or auto-create its ref cache.
But if we feed a path that isn't actually a git repository,
we blindly create the ref cache, and then may die deeper in
the code when we try to access it. This is a problem because
many callers speculatively feed us a path that looks vaguely
like a repository, and expect us to tell them when it is
not.

This patch teaches resolve_gitlink_ref to reject
non-repository paths without creating a ref_cache. This
avoids the die(), and also performs better if you have a
large number of these faux-submodule directories (because
the ref_cache lookup is linear, under the assumption that
there won't be a large number of submodules).

To accomplish this, we also break get_ref_cache into two
pieces: the lookup and auto-creation (the latter is lumped
into create_ref_cache). This lets us first cheaply ask our
cache "is it a submodule we know about?" If so, we can avoid
repeating our filesystem lookup. So lookups of real
submodules are not penalized; they examine the submodule's
.git directory only once.

The test in t3000 demonstrates a case where this improves
correctness (we used to just die). The new perf case in
p7300 shows off the speed improvement in an admittedly
pathological repository:

Test HEAD^ HEAD
----------------------------------------------------------------
7300.4: ls-files -o 66.97(66.15+0.87) 0.33(0.08+0.24) -99.5%

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

clean: make is_git_repository a public functionJeff King Fri, 22 Jan 2016 22:27:33 +0000 (17:27 -0500)

clean: make is_git_repository a public function

We have always had is_git_directory(), for looking at a
specific directory to see if it contains a git repo. In
0179ca7 (clean: improve performance when removing lots of
directories, 2015-06-15), we added is_git_repository() which
checks for a non-bare repository by looking at its ".git"
entry.

However, the fix in 0179ca7 needs to be applied other
places, too. Let's make this new helper globally available.
We need to give it a better name, though, to avoid confusion
with is_git_directory(). This patch does that, documents
both functions with a comment to reduce confusion, and
removes the clean-specific references in the comments.

Based-on-a-patch-by: Andreas Krey <a.krey@gmx.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'ep/shell-command-substitution-style'Junio C Hamano Fri, 22 Jan 2016 21:08:46 +0000 (13:08 -0800)

Merge branch 'ep/shell-command-substitution-style'

A shell script style update to change `command substitution` into
$(command substitution). Coverts contrib/ and much of the t/
directory contents.

* ep/shell-command-substitution-style: (92 commits)
t9901-git-web--browse.sh: use the $( ... ) construct for command substitution
t9501-gitweb-standalone-http-status.sh: use the $( ... ) construct for command substitution
t9350-fast-export.sh: use the $( ... ) construct for command substitution
t9300-fast-import.sh: use the $( ... ) construct for command substitution
t9150-svk-mergetickets.sh: use the $( ... ) construct for command substitution
t9145-git-svn-master-branch.sh: use the $( ... ) construct for command substitution
t9138-git-svn-authors-prog.sh: use the $( ... ) construct for command substitution
t9137-git-svn-dcommit-clobber-series.sh: use the $( ... ) construct for command substitution
t9132-git-svn-broken-symlink.sh: use the $( ... ) construct for command substitution
t9130-git-svn-authors-file.sh: use the $( ... ) construct for command substitution
t9129-git-svn-i18n-commitencoding.sh: use the $( ... ) construct for command substitution
t9119-git-svn-info.sh: use the $( ... ) construct for command substitution
t9118-git-svn-funky-branch-names.sh: use the $( ... ) construct for command substitution
t9114-git-svn-dcommit-merge.sh: use the $( ... ) construct for command substitution
t9110-git-svn-use-svm-props.sh: use the $( ... ) construct for command substitution
t9109-git-svn-multi-glob.sh: use the $( ... ) construct for command substitution
t9108-git-svn-glob.sh: use the $( ... ) construct for command substitution
t9107-git-svn-migrate.sh: use the $( ... ) construct for command substitution
t9105-git-svn-commit-diff.sh: use the $( ... ) construct for command substitution
t9104-git-svn-follow-parent.sh: use the $( ... ) construct for command substitution
...

Merge branch 'rm/subtree-unwrap-tags'Junio C Hamano Fri, 22 Jan 2016 21:08:45 +0000 (13:08 -0800)

Merge branch 'rm/subtree-unwrap-tags'

"git subtree" (in contrib/) records the tag object name in the
commit log message when a subtree is added using a tag, without
peeling it down to the underlying commit. The tag needs to be
peeled when "git subtree split" wants to work on the commit, but
the command forgot to do so.

* rm/subtree-unwrap-tags:
contrib/subtree: unwrap tag refs

unpack-trees: fix accidentally quadratic behaviorDavid Turner Fri, 22 Jan 2016 19:58:43 +0000 (14:58 -0500)

unpack-trees: fix accidentally quadratic behavior

While unpacking trees (e.g. during git checkout), when we hit a cache
entry that's past and outside our path, we cut off iteration.

This provides about a 45% speedup on git checkout between master and
master^20000 on Twitter's monorepo. Speedup in general will depend on
repostitory structure, number of changes, and packfile packing
decisions.

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff: make -O and --output work in subdirectoryDuy Nguyen Thu, 21 Jan 2016 11:48:44 +0000 (18:48 +0700)

diff: make -O and --output work in subdirectory

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

diff-no-index: do not take a redundant prefix argumentNguyễn Thái Ngọc Duy Wed, 20 Jan 2016 11:06:02 +0000 (18:06 +0700)

diff-no-index: do not take a redundant prefix argument

Prefix is already set up in "revs". The same prefix should be used for
all options parsing. So kill the last argument. This patch does not
actually change anything because the only caller does use the same
prefix for init_revisions() and diff_no_index().

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

git-add doc: do not say working directory when you... Lars Vogel Thu, 21 Jan 2016 10:09:15 +0000 (11:09 +0100)

git-add doc: do not say working directory when you mean working tree

The usage of working directory is inconsistent in the git add help.
Also http://git-scm.com/docs/git-clone speaks only about working tree.
Remaining entry found by "git grep -B1 '^directory' git-add.txt" really
relates to a directory.

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

completion: complete "diff --word-diff-regex="Thomas Braun Wed, 20 Jan 2016 17:34:58 +0000 (18:34 +0100)

completion: complete "diff --word-diff-regex="

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation: remove unnecessary backslashesMatthew Kraai Wed, 20 Jan 2016 17:21:37 +0000 (09:21 -0800)

Documentation: remove unnecessary backslashes

asciidoctor does not remove backslashes used to escape curly brackets from
the HTML output if the contents of the curly brackets are empty or contain
at least a <, -, or space. asciidoc does not require the backslashes in
these cases, so just remove them.

Signed-off-by: Matthew Kraai <matt.kraai@abbott.com>
Reported-by: Philip Oakley <philipoakley@iee.org>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/subtree: fix "subtree split" skipped-merge bugDave Ware Fri, 15 Jan 2016 00:41:43 +0000 (13:41 +1300)

contrib/subtree: fix "subtree split" skipped-merge bug

'git subtree split' can incorrectly skip a merge even when both parents
act on the subtree, provided the merge results in a tree identical to
one of the parents. Fix by copying the merge if at least one parent is
non-identical, and the non-identical parent is not an ancestor of the
identical parent.

Also, add a test case which checks that a descendant remains a
descendent on the subtree in this case.

Signed-off-by: Dave Ware <davidw@realtimegenomics.com>
Reviewed-by: David A. Greene <greened@obbligato.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Second batch for 2.8 cycleJunio C Hamano Wed, 20 Jan 2016 19:54:46 +0000 (11:54 -0800)

Second batch for 2.8 cycle

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

Merge branch 'tg/grep-no-index-fallback'Junio C Hamano Wed, 20 Jan 2016 19:43:38 +0000 (11:43 -0800)

Merge branch 'tg/grep-no-index-fallback'

"git grep" by default does not fall back to its "--no-index"
behaviour outside a directory under Git's control (otherwise the
user may by mistake end up running a huge recursive search); with a
new configuration (set in $HOME/.gitconfig--by definition this
cannot be set in the config file per project), this safety can be
disabled.

* tg/grep-no-index-fallback:
builtin/grep: add grep.fallbackToNoIndex config
t7810: correct --no-index test

Merge branch 'ho/gitweb-squelch-undef-warning'Junio C Hamano Wed, 20 Jan 2016 19:43:36 +0000 (11:43 -0800)

Merge branch 'ho/gitweb-squelch-undef-warning'

Asking gitweb for a nonexistent commit left a warning in the server
log.

Somebody may want to follow this up with a new test, perhaps?
IIRC, we do test that no Perl warnings are given to the server log,
so this should have been caught if our test coverage were good.

* ho/gitweb-squelch-undef-warning:
gitweb: squelch "uninitialized value" warning

Merge branch 'js/fopen-harder'Junio C Hamano Wed, 20 Jan 2016 19:43:35 +0000 (11:43 -0800)

Merge branch 'js/fopen-harder'

Some codepaths used fopen(3) when opening a fixed path in $GIT_DIR
(e.g. COMMIT_EDITMSG) that is meant to be left after the command is
done. This however did not work well if the repository is set to
be shared with core.sharedRepository and the umask of the previous
user is tighter. They have been made to work better by calling
unlink(2) and retrying after fopen(3) fails with EPERM.

* js/fopen-harder:
Handle more file writes correctly in shared repos
commit: allow editing the commit message even in shared repos

Merge branch 'ss/clone-depth-single-doc'Junio C Hamano Wed, 20 Jan 2016 19:43:35 +0000 (11:43 -0800)

Merge branch 'ss/clone-depth-single-doc'

Documentation for "git fetch --depth" has been updated for clarity.

* ss/clone-depth-single-doc:
docs: clarify that --depth for git-fetch works with newly initialized repos
docs: say "commits" in the --depth option wording for git-clone
docs: clarify that passing --depth to git-clone implies --single-branch

Merge branch 'nd/exclusion-regression-fix'Junio C Hamano Wed, 20 Jan 2016 19:43:33 +0000 (11:43 -0800)

Merge branch 'nd/exclusion-regression-fix'

The ignore mechanism saw a few regressions around untracked file
listing and sparse checkout selection areas in 2.7.0; the change
that is responsible for the regression has been reverted.

* nd/exclusion-regression-fix:
Revert "dir.c: don't exclude whole dir prematurely if neg pattern may match"

Merge branch 'dk/reflog-walk-with-non-commit'Junio C Hamano Wed, 20 Jan 2016 19:43:32 +0000 (11:43 -0800)

Merge branch 'dk/reflog-walk-with-non-commit'

"git reflog" incorrectly assumed that all objects that used to be
at the tip of a ref must be commits, which caused it to segfault.

* dk/reflog-walk-with-non-commit:
reflog-walk: don't segfault on non-commit sha1's in the reflog

Merge branch 'sg/t6050-failing-editor-test-fix'Junio C Hamano Wed, 20 Jan 2016 19:43:31 +0000 (11:43 -0800)

Merge branch 'sg/t6050-failing-editor-test-fix'

* sg/t6050-failing-editor-test-fix:
t6050-replace: make failing editor test more robust

Merge branch 'ew/for-each-ref-doc'Junio C Hamano Wed, 20 Jan 2016 19:43:30 +0000 (11:43 -0800)

Merge branch 'ew/for-each-ref-doc'

* ew/for-each-ref-doc:
for-each-ref: document `creatordate` and `creator` fields

Merge branch 'dw/signoff-doc'Junio C Hamano Wed, 20 Jan 2016 19:43:29 +0000 (11:43 -0800)

Merge branch 'dw/signoff-doc'

The documentation has been updated to hint the connection between
the '--signoff' option and DCO.

* dw/signoff-doc:
Expand documentation describing --signoff

Merge branch 'jk/clang-pedantic'Junio C Hamano Wed, 20 Jan 2016 19:43:29 +0000 (11:43 -0800)

Merge branch 'jk/clang-pedantic'

A few unportable C construct have been spotted by clang compiler
and have been fixed.

* jk/clang-pedantic:
bswap: add NO_UNALIGNED_LOADS define
avoid shifting signed integers 31 bits

Merge branch 'ew/send-email-mutt-alias-fix'Junio C Hamano Wed, 20 Jan 2016 19:43:28 +0000 (11:43 -0800)

Merge branch 'ew/send-email-mutt-alias-fix'

"git send-email" was confused by escaped quotes stored in the alias
files saved by "mutt", which has been corrected.

* ew/send-email-mutt-alias-fix:
git-send-email: do not double-escape quotes from mutt

Merge branch 'ss/user-manual'Junio C Hamano Wed, 20 Jan 2016 19:43:27 +0000 (11:43 -0800)

Merge branch 'ss/user-manual'

Drop a few old "todo" items by deciding that the change one of them
suggests is not such a good idea, and doing the change the other
one suggested to do.

* ss/user-manual:
user-manual: add addition gitweb information
user-manual: add section documenting shallow clones
glossary: define the term shallow clone
user-manual: remove temporary branch entry from todo list

Merge branch 'nd/clear-gitenv-upon-use-of-alias'Junio C Hamano Wed, 20 Jan 2016 19:43:26 +0000 (11:43 -0800)

Merge branch 'nd/clear-gitenv-upon-use-of-alias'

d95138e6 (setup: set env $GIT_WORK_TREE when work tree is set, like
$GIT_DIR, 2015-06-26) attempted to work around a glitch in alias
handling by overwriting GIT_WORK_TREE environment variable to
affect subprocesses when set_git_work_tree() gets called, which
resulted in a rather unpleasant regression to "clone" and "init".
Try to address the same issue by always restoring the environment
and respawning the real underlying command when handling alias.

* nd/clear-gitenv-upon-use-of-alias:
run-command: don't warn on SIGPIPE deaths
git.c: make sure we do not leak GIT_* to alias scripts
setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when ..
git.c: make it clear save_env() is for alias handling only

Merge branch 'nd/ita-cleanup'Junio C Hamano Wed, 20 Jan 2016 19:43:25 +0000 (11:43 -0800)

Merge branch 'nd/ita-cleanup'

Paths that have been told the index about with "add -N" are not
quite yet in the index, but a few commands behaved as if they
already are in a harmful way.

* nd/ita-cleanup:
grep: make it clear i-t-a entries are ignored
add and use a convenience macro ce_intent_to_add()
blame: remove obsolete comment

Merge branch 'nd/dir-exclude-cleanup'Junio C Hamano Wed, 20 Jan 2016 19:43:24 +0000 (11:43 -0800)

Merge branch 'nd/dir-exclude-cleanup'

The "exclude_list" structure has the usual "alloc, nr" pair of
fields to be used by ALLOC_GROW(), but clear_exclude_list() forgot
to reset 'alloc' to 0 when it cleared 'nr'to discard the managed
array.

* nd/dir-exclude-cleanup:
dir.c: clean the entire struct in clear_exclude_list()

Merge branch 'jk/pack-revindex'Junio C Hamano Wed, 20 Jan 2016 19:43:22 +0000 (11:43 -0800)

Merge branch 'jk/pack-revindex'

In-core storage of the reverse index for .pack files (which lets
you go from a pack offset to an object name) has been streamlined.

* jk/pack-revindex:
pack-revindex: store entries directly in packed_git
pack-revindex: drop hash table

Merge branch 'mh/notes-allow-reading-treeish'Junio C Hamano Wed, 20 Jan 2016 19:43:21 +0000 (11:43 -0800)

Merge branch 'mh/notes-allow-reading-treeish'

Some "git notes" operations, e.g. "git log --notes=<note>", should
be able to read notes from any tree-ish that is shaped like a notes
tree, but the notes infrastructure required that the argument must
be a ref under refs/notes/. Loosen it to require a valid ref only
when the operation would update the notes (in which case we must
have a place to store the updated notes tree, iow, a ref).

* mh/notes-allow-reading-treeish:
notes: allow treeish expressions as notes ref

filter-branch: resolve $commit^{tree} in no-index caseJeff King Tue, 19 Jan 2016 22:07:22 +0000 (17:07 -0500)

filter-branch: resolve $commit^{tree} in no-index case

Commit 348d4f2 (filter-branch: skip index read/write when
possible, 2015-11-06) taught filter-branch to optimize out
the final "git write-tree" when we know we haven't touched
the tree with any of our filters. It does by simply putting
the literal text "$commit^{tree}" into the "$tree" variable,
avoiding a useless rev-parse call.

However, when we pass this to git_commit_non_empty_tree(),
it gets confused; it resolves "$commit^{tree}" itself, and
compares our string to the 40-hex sha1, which obviously
doesn't match. As a result, "--prune-empty" (or any custom
filter using git_commit_non_empty_tree) will fail to drop
an empty commit (when filter-branch is used without a tree
or index filter).

Let's resolve $tree to the 40-hex ourselves, so that
git_commit_non_empty_tree can work. Unfortunately, this is a
bit slower due to the extra process overhead:

$ cd t/perf && ./run 348d4f2 HEAD p7000-filter-branch.sh
[...]
Test 348d4f2 HEAD
--------------------------------------------------------------
7000.2: noop filter 3.76(0.24+0.26) 4.54(0.28+0.24) +20.7%

We could try to make git_commit_non_empty_tree more clever.
However, the value of $tree here is technically
user-visible. The user can provide arbitrary shell code at
this stage, which could itself have a similar assumption to
what is in git_commit_non_empty_tree. So the conservative
choice to fix this regression is to take the 20% hit and
give the pre-348d4f2 behavior. We still end up much faster
than before the optimization:

$ cd t/perf && ./run 348d4f2^ HEAD p7000-filter-branch.sh
[...]
Test 348d4f2^ HEAD
--------------------------------------------------------------
7000.2: noop filter 9.51(4.32+0.40) 4.51(0.28+0.23) -52.6%

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

test-lib: clarify and tighten SANITYJunio C Hamano Tue, 19 Jan 2016 22:09:37 +0000 (14:09 -0800)

test-lib: clarify and tighten SANITY

f400e51c (test-lib.sh: set prerequisite SANITY by testing what we
really need, 2015-01-27) improved the way SANITY prerequisite was
determined, but made the resulting code (incorrectly) imply that
SANITY is all about effects of permission bits of the containing
directory has on the files contained in it by the comment it added,
its log message and the actual tests.

State what SANITY is about more clearly in the comment, and test
that a file whose permission bits says should be unreadble truly
cannot be read.

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

contrib/subtree: Make testing easierDavid A. Greene Sun, 17 Jan 2016 23:47:59 +0000 (17:47 -0600)

contrib/subtree: Make testing easier

Add some Makefile dependencies to ensure an updated git-subtree
gets copied to the main area before testing begins.

Signed-off-by: David A. Greene <greened@obbligato.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ls-remote: add support for showing symrefsThomas Gummerer Mon, 18 Jan 2016 23:20:50 +0000 (00:20 +0100)

ls-remote: add support for showing symrefs

Sometimes it's useful to know the main branch of a git repository
without actually downloading the repository. This can be done by
looking at the symrefs stored in the remote repository. Currently git
doesn't provide a simple way to show the symrefs stored on the remote
repository, even though the information is available. Add a --symref
command line argument to the ls-remote command, which shows the symrefs
in the remote repository.

While there, replace a literal tab in the format string with \t to make
it more obvious to the reader.

Suggested-by: pedro rijo <pedrorijo91@gmail.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ls-remote: use parse-options apiThomas Gummerer Mon, 18 Jan 2016 23:20:49 +0000 (00:20 +0100)

ls-remote: use parse-options api

Currently ls-remote uses a hand rolled parser for its command line
arguments. Use the parse-options api instead of the hand rolled parser
to simplify the code and make it easier to add new arguments. In
addition this improves the help message.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ls-remote: fix synopsisThomas Gummerer Mon, 18 Jan 2016 23:20:48 +0000 (00:20 +0100)

ls-remote: fix synopsis

git ls-remote takes an optional get-url argument, and specifying the
repository is optional. Fix the synopsis in the documentation to
reflect this.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ls-remote: document --refs optionThomas Gummerer Mon, 18 Jan 2016 23:20:47 +0000 (00:20 +0100)

ls-remote: document --refs option

The --refs option was originally introduced in 2718ff0 ("Improve
git-peek-remote"). The ls-remote command was first documented in
972b6fe ("ls-remote: drop storing operation and add documentation."),
but the --refs option was never documented. Fix this.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ls-remote: document --quiet optionThomas Gummerer Mon, 18 Jan 2016 23:20:46 +0000 (00:20 +0100)

ls-remote: document --quiet option

cefb2a5e3 ("ls-remote: print URL when no repo is specified") added a
quiet option to ls-remote, but didn't add it to the documentation. Add
it.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

shortlog: don't warn on empty authorJeff King Mon, 18 Jan 2016 23:04:35 +0000 (18:04 -0500)

shortlog: don't warn on empty author

Git tries to avoid creating a commit with an empty author
name or email. However, commits created by older, less
strict versions of git may still be in the history. There's
not much point in issuing a warning to stderr for an empty
author. The user can't do anything about it now, and we are
better off to simply include it in the shortlog output as an
empty name/email, and let the caller process it however they
see fit.

Older versions of shortlog differentiated between "author
header not present" (which complained) and "author
name/email are blank" (which included the empty ident in the
output). But since switching to format_commit_message, we
complain to stderr about either case (linux.git has a blank
author deep in its history which triggers this).

We could try to restore the older behavior (complaining only
about the missing header), but in retrospect, there's not
much point in differentiating these cases. A missing
author header is bogus, but as for the "blank" case, the
only useful behavior is to add it to the "empty name"
collection.

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

shortlog: optimize out useless string listJeff King Mon, 18 Jan 2016 20:02:59 +0000 (15:02 -0500)

shortlog: optimize out useless string list

If we are in "--summary" mode, then we do not care about the
actual list of subject onelines associated with each author.
We care only about the number. So rather than store a
string-list for each author full of "<none>", let's just
keep a count.

This drops my best-of-five for "git shortlog -ns HEAD" on
linux.git from:

real 0m5.194s
user 0m5.028s
sys 0m0.168s

to:

real 0m5.057s
user 0m4.916s
sys 0m0.144s

That's about 2.5%.

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

shortlog: optimize out useless "<none>" normalizationJeff King Mon, 18 Jan 2016 20:02:56 +0000 (15:02 -0500)

shortlog: optimize out useless "<none>" normalization

If we are in --summary mode, we will always pass <none> to
insert_one_record, which will then do some normalization
(e.g., cutting out "[PATCH]"). There's no point in doing so
if we aren't going to use the result anyway.

This drops my best-of-five for "git shortlog -ns HEAD" on
linux.git from:

real 0m5.257s
user 0m5.104s
sys 0m0.156s

to:

real 0m5.194s
user 0m5.028s
sys 0m0.168s

That's only 1%, but arguably the result is clearer to read,
as we're able to group our variable declarations inside the
conditional block. It also opens up further optimization
possibilities for future patches.

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

shortlog: optimize "--summary" modeJeff King Mon, 18 Jan 2016 20:02:52 +0000 (15:02 -0500)

shortlog: optimize "--summary" mode

If the user asked us only to show counts for each author,
rather than the individual summary lines, then there is no
point in us generating the summaries only to throw them
away. With this patch, I measured the following speedup for
"git shortlog -ns HEAD" on linux.git (best-of-five):

[before]
real 0m5.644s
user 0m5.472s
sys 0m0.176s

[after]
real 0m5.257s
user 0m5.104s
sys 0m0.156s

That's only ~7%, but it's so easy to do, there's no good
reason not to. We don't have to touch any downstream code,
since we already fill in the magic string "<none>" to handle
commits without a message.

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

shortlog: replace hand-parsing of author with pretty... Jeff King Mon, 18 Jan 2016 20:02:48 +0000 (15:02 -0500)

shortlog: replace hand-parsing of author with pretty-printer

When gathering the author and oneline subject for each
commit, we hand-parse the commit headers to find the
"author" line, and then continue past to the blank line at
the end of the header.

We can replace this tricky hand-parsing by simply asking the
pretty-printer for the relevant items. This also decouples
the author and oneline parsing, opening up some new
optimizations in further commits.

One reason to avoid the pretty-printer is that it might be
less efficient than hand-parsing. However, I measured no
slowdown at all running "git shortlog -ns HEAD" on
linux.git.

As a bonus, we also fix a memory leak in the (uncommon) case
that the author field is blank.

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

shortlog: use strbufs to read from stdinJeff King Mon, 18 Jan 2016 20:02:44 +0000 (15:02 -0500)

shortlog: use strbufs to read from stdin

We currently use fixed-size buffers with fgets(), which
could lead to incorrect results in the unlikely event that a
line had something like "Author:" at exactly its 1024th
character.

But it's easy to convert this to a strbuf, and because we
can reuse the same buffer through the loop, we don't even
pay the extra allocation cost.

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

shortlog: match both "Author:" and "author" on stdinJeff King Mon, 18 Jan 2016 20:02:40 +0000 (15:02 -0500)

shortlog: match both "Author:" and "author" on stdin

The original git-shortlog could read both the normal "git
log" output as well as "git log --format=raw". However, when
it was converted to C by b8ec592 (Build in shortlog,
2006-10-22), the trailing colon became mandatory, and we no
longer matched the raw output.

Given the amount of intervening time without any bug
reports, it's probable that nobody cares. But it's
relatively easy to fix, and the end result is hopefully more
readable than the original.

Note that this no longer matches "author: ", which we did
before, but that has never been a format generated by git.

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

ls-files: add eol diagnosticsTorsten Bögershausen Sat, 16 Jan 2016 06:50:02 +0000 (07:50 +0100)

ls-files: add eol diagnostics

When working in a cross-platform environment, a user may want to
check if text files are stored normalized in the repository and
if .gitattributes are set appropriately.

Make it possible to let Git show the line endings in the index and
in the working tree and the effective text/eol attributes.

The end of line ("eolinfo") are shown like this:

"-text" binary (or with bare CR) file
"none" text file without any EOL
"lf" text file with LF
"crlf" text file with CRLF
"mixed" text file with mixed line endings.

The effective text/eol attribute is one of these:

"", "-text", "text", "text=auto", "text eol=lf", "text eol=crlf"

git ls-files --eol gives an output like this:

i/none w/none attr/text=auto t/t5100/empty
i/-text w/-text attr/-text t/test-binary-2.png
i/lf w/lf attr/text eol=lf t/t5100/rfc2047-info-0007
i/lf w/crlf attr/text eol=crlf doit.bat
i/mixed w/mixed attr/ locale/XX.po

to show what eol convention is used in the data in the index ('i'),
and in the working tree ('w'), and what attribute is in effect,
for each path that is shown.

Add test cases in t0027.

Helped-By: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

notes: allow merging from arbitrary referencesJacob Keller Tue, 29 Dec 2015 22:40:28 +0000 (14:40 -0800)

notes: allow merging from arbitrary references

Create a new expansion function, expand_loose_notes_ref which will first
check whether the ref can be found using get_sha1. If it can't be found
then it will fallback to using expand_notes_ref. The content of the
strbuf will not be changed if the notes ref can be located using
get_sha1. Otherwise, it may be updated as done by expand_notes_ref.

Since we now support merging from non-notes refs, remove the test case
associated with that behavior. Add a test case for merging from a
non-notes ref.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Reviewed-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

mingw: uglify (a, 0) definitions to shut up warningsJohannes Schindelin Fri, 15 Jan 2016 13:24:45 +0000 (14:24 +0100)

mingw: uglify (a, 0) definitions to shut up warnings

When the result of a (a, 0) expression is not used, MSys2's GCC version
finds it necessary to complain with a warning:

right-hand operand of comma expression has no effect

Let's just pretend to use the 0 value and have a peaceful and quiet life
again.

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

mingw: squash another warning about a castJohannes Schindelin Fri, 15 Jan 2016 13:24:39 +0000 (14:24 +0100)

mingw: squash another warning about a cast

MSys2's compiler is correct that casting a "void *" to a "DWORD" loses
precision, but in the case of pthread_exit() we know that the value
fits into a DWORD.

Just like casting handles to DWORDs, let's work around this issue by
casting to "intrptr_t" first, and immediately cast to the final type.

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

mingw: avoid warnings when casting HANDLEs to intJohannes Schindelin Fri, 15 Jan 2016 13:24:34 +0000 (14:24 +0100)

mingw: avoid warnings when casting HANDLEs to int

HANDLE is defined internally as a void *, but in many cases it is
actually guaranteed to be a 32-bit integer. In these cases, GCC should
not warn about a cast of a pointer to an integer of a different type
because we know exactly what we are doing.

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

mingw: avoid redefining S_* constantsJohannes Schindelin Fri, 15 Jan 2016 13:24:29 +0000 (14:24 +0100)

mingw: avoid redefining S_* constants

When compiling with MSys2's compiler, these constants are already defined.

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

test-sha1-array: read command stream with strbuf_getline()Junio C Hamano Wed, 28 Oct 2015 20:32:10 +0000 (13:32 -0700)

test-sha1-array: read command stream with strbuf_getline()

The input to this command comes from a pipeline in t0064, whose
upstream has bunch of "echo"s. It is not unreasonable to expect
that it may be fed CRLF lines on DOSsy systems.

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

grep: read -f file with strbuf_getline()Junio C Hamano Wed, 28 Oct 2015 20:53:47 +0000 (13:53 -0700)

grep: read -f file with strbuf_getline()

List of patterns file could come from a DOS editor.

This is iffy; you may actually be trying to find a line with ^M in
it on a system whose line ending is LF. You can of course work it
around by having a line that has "^M^M^J", let the strbuf_getline()
eat the last "^M^J", leaving just the single "^M" as the pattern.

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

send-pack: read list of refs with strbuf_getline()Junio C Hamano Wed, 28 Oct 2015 21:00:59 +0000 (14:00 -0700)

send-pack: read list of refs with strbuf_getline()

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

column: read lines with strbuf_getline()Junio C Hamano Wed, 28 Oct 2015 20:52:11 +0000 (13:52 -0700)

column: read lines with strbuf_getline()

Multiple lines read here are concatenated on a single line to form a
multi-column output line. We do not want to have a CR at the end,
even if the input file consists of CRLF terminated lines.

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