Граф коммитов

49935 Коммитов

Автор SHA1 Сообщение Дата
Johannes Schindelin c7b4d79c7d sequencer: do not invent whitespace when transforming OIDs
For commands that do not have an argument, there is no need to append a
trailing space at the end of the line.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:33:38 -08:00
Johannes Schindelin 66afa24fb3 sequencer: report when noop has an argument
The noop command cannot accept any argument, but we never told the user
about any bogus argument. Fix that.

while at it, mention clearly when an argument is required but missing
(for commands *other* than noop).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:33:38 -08:00
Johannes Schindelin 5f8f927710 sequencer: remove superfluous conditional
In a conditional block that is only reached when handling a TODO_REWORD
(as seen even from a 3-line context), there is absolutely no need to
nest another block under the identical condition.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:33:38 -08:00
Johannes Schindelin aee42e1f35 sequencer: strip bogus LF at end of error messages
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:33:38 -08:00
Johannes Schindelin 9336281c69 rebase: do not continue when the todo list generation failed
This is a *really* long-standing bug. As a matter of fact, this bug has
been with us from the very beginning of `rebase -i`: 1b1dce4bae (Teach
rebase an interactive mode, 2007-06-25), where the output of `rev-list`
was piped to `sed` (and any failure of the `rev-list` process would go
completely undetected).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:33:38 -08:00
SZEDER Gábor 677c70799c travis-ci: only print test failures if there are test results available
When a build job running the test suite fails, our
'ci/print-test-failures.sh' script scans all 't/test-results/*.exit'
files to find failed tests and prints their verbose output.  However,
if a build job were to fail before it ever gets to run the test suite,
then there will be no files to match the above pattern and the shell
will take the pattern literally, resulting in errors like this in the
trace log:

  cat: t/test-results/*.exit: No such file or directory
  ------------------------------------------------------------------------
  t/test-results/*.out...
  ------------------------------------------------------------------------
  cat: t/test-results/*.out: No such file or directory

Check upfront and proceed only if there are any such files present.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Reviewed-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:15:22 -08:00
SZEDER Gábor 7e72cfceed travis-ci: save prove state for the 32 bit Linux build
This change follows suit of 6272ed319 (travis-ci: run previously
failed tests first, then slowest to fastest, 2016-01-26), which did
this for the Linux and OSX build jobs.  Travis CI build jobs run the
tests parallel, which is sligtly faster when tests are run in slowest
to fastest order, shortening the overall runtime of this build job by
about a minute / 10%.

Note, that the 32 bit Linux build job runs the tests suite in a Docker
container and we have to share the Travis CI cache directory with the
container as a second volume.  Otherwise we couldn't use a symlink
pointing to the prove state file in the cache directory, because
that's outside of the directory hierarchy accessible from within the
container.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Reviewed-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:15:05 -08:00
SZEDER Gábor 2c9a2dd0cd travis-ci: don't install default addon packages for the 32 bit Linux build
The 32 bit Linux build job compiles Git and runs the test suite in a
Docker container, while the additional packages (apache2, git-svn,
language-pack-is) are installed on the host, therefore don't have
any effect and are unnecessary.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Acked-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:14:39 -08:00
SZEDER Gábor a8b8b6b87d travis-ci: fine tune the use of 'set -x' in 'ci/*' scripts
The change in commit 4f2636667 (travis-ci: use 'set -x' in 'ci/*'
scripts for extra tracing output, 2017-12-12) left a couple of rough
edges:

  - 'ci/run-linux32-build.sh' is executed in a Docker container and
    therefore doesn't source 'ci/lib-travisci.sh', which would enable
    tracing executed commands.  Enable 'set -x' in this script, too.

  - 'ci/print-test-failures.sh' iterates over all the files containing
    the exit codes of all the executed test scripts.  Since there are
    over 800 such files, the loop produces way too much noise with
    tracing executed commands enabled, so disable 'set -x' for this
    script.

  - 'ci/run-windows-build.sh' busily waits in a loop for the result of
    the Windows build, producing too much noise with tracing executed
    commands enabled as well.  Disable 'set -x' for the duration of
    that loop.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 12:13:46 -08:00
Junio C Hamano 29533fb168 RelNotes: the eleventh batch
Hopefully the last one before -rc0

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 11:20:27 -08:00
Junio C Hamano dc8fb4dd7e Merge branch 'rb/quick-install-doc'
The build procedure now allows not just the repositories but also
the refs to be used to take pre-formatted manpages and html
documents to install.

* rb/quick-install-doc:
  install-doc-quick: allow specifying what ref to install
2017-12-27 11:16:30 -08:00
Junio C Hamano d22114ac24 Merge branch 'jt/transport-no-more-rsync'
Code clean-up.

* jt/transport-no-more-rsync:
  transport: remove unused "push" in vtable
2017-12-27 11:16:30 -08:00
Junio C Hamano f62b471d21 Merge branch 'sg/travis-fixes'
Assorted updates for TravisCI integration.

* sg/travis-fixes:
  travis-ci: use 'set -x' in 'ci/*' scripts for extra tracing output
  travis-ci: set GIT_TEST_HTTPD in 'ci/lib-travisci.sh'
  travis-ci: move setting environment variables to 'ci/lib-travisci.sh'
  travis-ci: introduce a $jobname variable for 'ci/*' scripts
2017-12-27 11:16:30 -08:00
Junio C Hamano 06358125b8 Merge branch 'sb/test-helper-excludes'
Simplify the ignore rules for t/helper directory.

* sb/test-helper-excludes:
  t/helper: ignore everything but sources
2017-12-27 11:16:29 -08:00
Junio C Hamano 6bd396be0f Merge branch 'ot/pretty'
Code clean-up.

* ot/pretty:
  format: create docs for pretty.h
  format: create pretty.h file
2017-12-27 11:16:29 -08:00
Junio C Hamano 00c4d2b6bc Merge branch 'bw/submodule-sans-cache-compat'
Code clean-up.

* bw/submodule-sans-cache-compat:
  submodule: convert get_next_submodule to not rely on the_index
  submodule: used correct index in is_staging_gitmodules_ok
  submodule: convert stage_updated_gitmodules to take a struct index_state
2017-12-27 11:16:28 -08:00
Junio C Hamano 237aa99cd2 Merge branch 'es/clone-shared-worktree'
"git clone --shared" to borrow from a (secondary) worktree did not
work, even though "git clone --local" did.  Both are now accepted.

* es/clone-shared-worktree:
  clone: support 'clone --shared' from a worktree
2017-12-27 11:16:28 -08:00
Junio C Hamano e2e2bf2450 Merge branch 'tb/delimit-pretty-trailers-args-with-comma'
Doc updates.

* tb/delimit-pretty-trailers-args-with-comma:
  docs/pretty-formats: mention commas in %(trailers) syntax
2017-12-27 11:16:27 -08:00
Junio C Hamano 54b1335ae3 Merge branch 'rs/fmt-merge-msg-leakfix'
Leakfix.

* rs/fmt-merge-msg-leakfix:
  transport-helper: plug strbuf and string_list leaks
2017-12-27 11:16:26 -08:00
Junio C Hamano eacf669cec Merge branch 'jt/decorate-api'
A few structures and variables that are implementation details of
the decorate API have been renamed and then the API got documented
better.

* jt/decorate-api:
  decorate: clean up and document API
2017-12-27 11:16:26 -08:00
Junio C Hamano 6ae18684e1 Merge branch 'jk/cvsimport-quoting'
Typo/Logico fix.

* jk/cvsimport-quoting:
  cvsimport: apply shell-quoting regex globally
2017-12-27 11:16:26 -08:00
Junio C Hamano f7bbca1cae Merge branch 'db/doc-workflows-neuter-the-maintainer'
Docfix.

* db/doc-workflows-neuter-the-maintainer:
  doc: reword gitworkflows.txt for neutrality
2017-12-27 11:16:25 -08:00
Junio C Hamano 0faff988ee Merge branch 'ks/branch-cleanup'
Code clean-up.

* ks/branch-cleanup:
  builtin/branch: strip refs/heads/ using skip_prefix
  branch: update warning message shown when copying a misnamed branch
  branch: group related arguments of create_branch()
  branch: improve documentation and naming of create_branch() parameters
2017-12-27 11:16:25 -08:00
Junio C Hamano a13e45f1e7 Merge branch 'rs/strbuf-read-once-reset-length'
Leakfix.

* rs/strbuf-read-once-reset-length:
  strbuf: release memory on read error in strbuf_read_once()
2017-12-27 11:16:24 -08:00
Junio C Hamano 1f9ce78df0 Merge branch 'rs/fmt-merge-msg-string-leak-fix'
Leakfix.

* rs/fmt-merge-msg-string-leak-fix:
  fmt-merge-msg: avoid leaking strbuf in shortlog()
2017-12-27 11:16:23 -08:00
Junio C Hamano 5c14bd6175 Merge branch 'rs/am-builtin-leakfix'
Leakfix.

* rs/am-builtin-leakfix:
  am: release strbuf after use in split_mail_mbox()
2017-12-27 11:16:23 -08:00
Junio C Hamano e87f9fc9d4 Merge branch 'es/worktree-checkout-hook'
"git worktree add" learned to run the post-checkout hook, just like
"git checkout" does, after the initial checkout.

* es/worktree-checkout-hook:
  worktree: invoke post-checkout hook (unless --no-checkout)
2017-12-27 11:16:21 -08:00
Junio C Hamano 0da2ba4880 Merge branch 'lb/rebase-i-short-command-names'
With a configuration variable rebase.abbreviateCommands set,
"git rebase -i" produces the todo list with a single-letter
command names.

* lb/rebase-i-short-command-names:
  sequencer.c: drop 'const' from function return type
  t3404: add test case for abbreviated commands
  rebase -i: learn to abbreviate command names
  rebase -i -x: add exec commands via the rebase--helper
  rebase -i: update functions to use a flags parameter
  rebase -i: replace reference to sha1 with oid
  rebase -i: refactor transform_todo_ids
  rebase -i: set commit to null in exec commands
  Documentation: use preferred name for the 'todo list' script
  Documentation: move rebase.* configs to new file
2017-12-27 11:16:21 -08:00
Junio C Hamano 720b1764de Merge branch 'tb/check-crlf-for-safe-crlf'
The "safe crlf" check incorrectly triggered for contents that does
not use CRLF as line endings, which has been corrected.

* tb/check-crlf-for-safe-crlf:
  t0027: Adapt the new MIX tests to Windows
  convert: tighten the safe autocrlf handling
2017-12-27 11:16:21 -08:00
Junio C Hamano 61061abba7 Merge branch 'jh/object-filtering'
In preparation for implementing narrow/partial clone, the object
walking machinery has been taught a way to tell it to "filter" some
objects from enumeration.

* jh/object-filtering:
  rev-list: support --no-filter argument
  list-objects-filter-options: support --no-filter
  list-objects-filter-options: fix 'keword' typo in comment
  pack-objects: add list-objects filtering
  rev-list: add list-objects filtering support
  list-objects: filter objects in traverse_commit_list
  oidset: add iterator methods to oidset
  oidmap: add oidmap iterator methods
  dir: allow exclusions from blob in addition to file
2017-12-27 11:16:21 -08:00
Junio C Hamano ee5462d6e7 sequencer.c: drop 'const' from function return type
With -Werror=ignored-qualifiers, a function that claims to return
"const char" gets this error:

    CC sequencer.o
sequencer.c:798:19: error: type qualifiers ignored on function return
type [-Werror=ignored-qualifiers]
 static const char command_to_char(const enum todo_command command)
                   ^

Reported-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-27 11:12:45 -08:00
Julien Dusser 4c267f2ae3 strbuf: fix urlencode format string on signed char
Git credential fails with special char in password with

    remote: Invalid username or password.
    fatal: Authentication failed for

    File ~/.git-credential contains badly urlencoded characters
    %ffffffXX%ffffffYY instead of %XX%YY.

Add a cast to an unsigned char to fix urlencode use of %02x on a
char.

Signed-off-by: Julien Dusser <julien.dusser@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 13:43:19 -08:00
René Scharfe a923e05944 send-pack: use internal argv_array of struct child_process
Avoid a magic number of NULL placeholder values and a magic index by
constructing the command line for pack-objects using the embedded
argv_array of the child_process.  The resulting code is shorter and
easier to extend.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 13:33:53 -08:00
René Scharfe c7191fa510 http: use internal argv_array of struct child_process
Avoid a strangely magic array size (it's slightly too big) and explicit
index numbers by building the command line for index-pack using the
embedded argv_array of the child_process.  Add the flag -o and its
argument with argv_array_pushl() to make it obvious that they belong
together.  The resulting code is shorter and easier to extend.

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 13:33:48 -08:00
Luke Diamand 8cf422dbf1 git-p4: update multiple shelved change lists
--update-shelve can now be specified multiple times on the
command-line, to update multiple shelved changelists in a single
submit.

This then means that a git patch series can be mirrored to a
sequence of shelved changelists, and (relatively easily) kept in
sync as changes are made in git.

Note that Perforce does not really support overlapping shelved
changelists where one change touches the files modified by
another. Trying to do this will result in merge conflicts.

Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 13:30:52 -08:00
Torsten Bögershausen 7dbe8c8003 check-non-portable-shell.pl: `wc -l` may have leading WS
Test scripts count number of lines in an output and check it againt
its expectation.  fb3340a6 ("test-lib: introduce test_line_count to
measure files", 2010-10-31) introduced a helper to show a failure in
such a test in a more readable way than comparing `wc -l` output with
a number.

Besides, on some platforms, "$(wc -l <file)" is padded with leading
whitespace on the left, so

	test "$(wc -l <file)" = 4

would not work (most notably on macosX); the users of test_line_count
helper would not suffer from such a portability glitch.

Add a check in check-non-portable-shell.pl to find '"' between
`wc -l` and '=' and hint the user about test_line_count().

Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Reviewed-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 13:00:51 -08:00
Dave Borowitz 1feb061701 config.txt: document behavior of backslashes in subsections
Unrecognized escape sequences are invalid in values:

  $ git config -f - --list <<EOF
  [foo]
    bar = "\t\\\y\"\u"
  EOF
  fatal: bad config line 2 in standard input

But in subsection names, the backslash is simply dropped if the
following character does not produce a recognized escape sequence:

  $ git config -f - --list <<EOF
  [foo "\t\\\y\"\u"]
    bar = baz
  EOF
  foo.t\y"u.bar=baz

Although it would be nice for subsection names and values to have
consistent behavior, changing the behavior for subsection names is a
nonstarter since it would cause existing, valid config files to
suddenly be interpreted differently.

Signed-off-by: Dave Borowitz <dborowitz@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 12:51:43 -08:00
Junio C Hamano b6825b5c8e Merge branch 'ew/empty-merge-with-dirty-index-maint' into ew/empty-merge-with-dirty-index
* ew/empty-merge-with-dirty-index-maint:
  merge-recursive: avoid incorporating uncommitted changes in a merge
  move index_has_changes() from builtin/am.c to merge.c for reuse
  t6044: recursive can silently incorporate dirty changes in a merge
2017-12-22 12:48:38 -08:00
Elijah Newren 65170c07d4 merge-recursive: avoid incorporating uncommitted changes in a merge
builtin/merge.c contains this important requirement for merge strategies:
	/*
	 * At this point, we need a real merge.  No matter what strategy
	 * we use, it would operate on the index, possibly affecting the
	 * working tree, and when resolved cleanly, have the desired
	 * tree in the index -- this means that the index must be in
	 * sync with the head commit.  The strategies are responsible
	 * to ensure this.
	 */

merge-recursive does not do this check directly, instead it relies on
unpack_trees() to do it.  However, merge_trees() has a special check for
the merge branch exactly matching the merge base; when it detects that
situation, it returns early without calling unpack_trees(), because it
knows that the HEAD commit already has the correct result.  Unfortunately,
it didn't check that the index matched HEAD, so after it returned, the
outer logic ended up creating a merge commit that included something
other than HEAD.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 12:20:38 -08:00
Elijah Newren b101793c43 move index_has_changes() from builtin/am.c to merge.c for reuse
index_has_changes() is a function we want to reuse outside of just am,
making it also available for merge-recursive and merge-ort.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 12:20:29 -08:00
Elijah Newren eab3f2850e t6044: recursive can silently incorporate dirty changes in a merge
The recursive merge strategy has some special handling when the tree for
the merge branch exactly matches the merge base, but that code path is
missing checks for the index having changes relative to HEAD.  Add a
testcase covering this scenario.

Reported-by: Andreas Krey <a.krey@gmx.de>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 12:14:16 -08:00
Stefan Beller 74dea0e13c t/helper/test-lazy-name-hash: fix compilation
I was compiling origin/master today with DEVELOPER compiler flags
and was greeted by:

t/helper/test-lazy-init-name-hash.c: In function ‘cmd_main’:
t/helper/test-lazy-init-name-hash.c:172:5: error: ‘nr_threads_used’ may be used uninitilized in this function [-Werror=maybe-uninitialized]
     printf("avg [size %8d] [single %f] %c [multi %f %d]\n",
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         nr,
         ~~~
         (double)avg_single/1000000000,
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         (avg_single < avg_multi ? '<' : '>'),
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         (double)avg_multi/1000000000,
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         nr_threads_used);
         ~~~~~~~~~~~~~~~~
t/helper/test-lazy-init-name-hash.c:115:6: note: ‘nr_threads_used’ was declared here
  int nr_threads_used;
      ^~~~~~~~~~~~~~~

I do not see how we can arrive at that line without having `nr_threads_used`
initialized, as we'd have `count > 1`  (which asserts that we ran the
loop above at least once, such that it *should* be initialized).

Just clear the variable at the beginning of the function to squelch
the warning.

Signed-off-by: Stefan Beller <sbeller@google.com>
Acked-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-22 10:42:04 -08:00
Junio C Hamano fb2afea366 t5573, t7612: clean up after unexpected success of 'pull' and 'merge'
The previous steps added test_when_finished to tests that run 'git
pull' or 'git merge' with expectation of success, so that the test
after them can start from a known state even when their 'git pull'
invocation unexpectedly fails.  However, tests that run 'git pull'
or 'git merge' expecting it not to succeed forgot to protect later
tests the same way---if they unexpectedly succeed, the test after
them would start from an unexpected state.

Reset and checkout the initial commit after all these tests, whether
they expect their invocations to succeed or fail.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-19 12:58:57 -08:00
Junio C Hamano 936d1b9894 RelNotes: the tenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-19 11:34:35 -08:00
Junio C Hamano 0c69a132cb Merge branch 'ls/editor-waiting-message'
Git shows a message to tell the user that it is waiting for the
user to finish editing when spawning an editor, in case the editor
opens to a hidden window or somewhere obscure and the user gets
lost.

* ls/editor-waiting-message:
  launch_editor(): indicate that Git waits for user input
  refactor "dumb" terminal determination
2017-12-19 11:33:59 -08:00
Junio C Hamano bdae4af870 Merge branch 'sg/setup-doc-update'
Comment update.

* sg/setup-doc-update:
  setup.c: fix comment about order of .git directory discovery
2017-12-19 11:33:58 -08:00
Junio C Hamano 8d7fefaac4 Merge branch 'ar/unconfuse-three-dots'
Ancient part of codebase still shows dots after an abbreviated
object name just to show that it is not a full object name, but
these ellipses are confusing to people who newly discovered Git
who are used to seeing abbreviated object names and find them
confusing with the range syntax.

* ar/unconfuse-three-dots:
  t2020: test variations that matter
  t4013: test new output from diff --abbrev --raw
  diff: diff_aligned_abbrev: remove ellipsis after abbreviated SHA-1 value
  t4013: prepare for upcoming "diff --raw --abbrev" output format change
  checkout: describe_detached_head: remove ellipsis after committish
  print_sha1_ellipsis: introduce helper
  Documentation: user-manual: limit usage of ellipsis
  Documentation: revisions: fix typo: "three dot" ---> "three-dot" (in line with "two-dot").
2017-12-19 11:33:58 -08:00
Junio C Hamano 66d3f19324 Merge branch 'tg/worktree-create-tracking'
The way "git worktree add" determines what branch to create from
where and checkout in the new worktree has been updated a bit.

* tg/worktree-create-tracking:
  add worktree.guessRemote config option
  worktree: add --guess-remote flag to add subcommand
  worktree: make add <path> <branch> dwim
  worktree: add --[no-]track option to the add subcommand
  worktree: add can be created from any commit-ish
  checkout: factor out functions to new lib file
2017-12-19 11:33:57 -08:00
Junio C Hamano 1974f4791a Merge branch 'gk/tracing-optimization'
The tracing infrastructure has been optimized for cases where no
tracing is requested.

* gk/tracing-optimization:
  trace: improve performance while category is disabled
  trace: remove trace key normalization
2017-12-19 11:33:57 -08:00
Junio C Hamano 6f3a0b6da5 Merge branch 'bw/submodule-config-cleanup'
Recent update to the submodule configuration code broke "diff-tree"
by accidentally stopping to read from the index upfront.

* bw/submodule-config-cleanup:
  diff-tree: read the index so attribute checks work in bare repositories
2017-12-19 11:33:57 -08:00