Commit Graph

6062 Commits

Author SHA1 Message Date
Jeff King
9130ac9fe1 rev-list: handle %x00 NUL in user format
The code paths for showing commits in "git log" and "git
rev-list --graph" correctly handle embedded NULs by looking
only at the resulting strbuf's length, and never treating it
as a C string. The code path for regular rev-list, however,
used printf("%s"), which resulted in truncated output. This
patch uses fwrite instead, like the --graph code path.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 18:58:33 -07:00
Andreas Köhler
33f072f891 submodule sync: Update "submodule.<name>.url" for empty directories
If a submodule directory has not been filled by "git submodule update"
yet, then "git submodule sync" must still update the super-project's
configuration for submodule.<name>.url.

This situation occurs when switching between branches with a module from
different urls and other branches without the submodule.

Signed-off-by: Andreas Köhler <andi5.py@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 18:31:45 -07:00
Anders Kaseorg
a1980c4efc apply: Recognize epoch timestamps with : in the timezone
Some patches have a timezone formatted like ‘-08:00’ instead of
‘-0800’ (e.g. http://lwn.net/Articles/131729/), so git apply would
fail to recognize the epoch timestamp of deleted files and would
create empty files instead.  Teach it to support both formats, and add
a test case.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 16:39:45 -07:00
David Barr
2794ad5244 fast-import: Allow filemodify to set the root
v1.7.3-rc0~75^2 (Teach fast-import to import subtrees named by tree id,
2010-06-30) has a shortcoming - it doesn't allow the root to be set.
Extend this behaviour by allowing the root to be referenced as the
empty path, "".

For a command (like filter-branch --subdirectory-filter) that wants
to commit a lot of trees that already exist in the object db, writing
undeltified objects as loose files only to repack them later can
involve a significant amount of overhead.
(23% slow-down observed on Linux 2.6.35, worse on Mac OS X 10.6)

Fortunately we have fast-import (which is one of the only git commands
that will write to a pack directly) but there is not an advertised way
to tell fast-import to commit a given tree without unpacking it.

This patch changes that, by allowing

	M 040000 <tree id> ""

as a filemodify line in a commit to reset to a particular tree without
any need to parse it.  For example,

	M 040000 4b825dc642 ""

is a synonym for the deleteall command and the fast-import equivalent of

	git read-tree 4b825dc642

Signed-off-by: David Barr <david.barr@cordelta.com>
Commit-message-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Sverre Rabbelier <srabbelier@gmail.com>
Tested-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 15:10:31 -07:00
Clemens Buchacher
f66caaf9c8 do not overwrite files in leading path
If the work tree contains an untracked file x, and
unpack-trees wants to checkout a path x/*, the
file x is removed unconditionally.

Instead, apply the same checks that are normally
used for untracked files, and abort if the file
cannot be removed.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
2010-10-13 14:34:09 -07:00
Clemens Buchacher
189645ca84 t7607: add leading-path tests
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
2010-10-13 14:34:08 -07:00
Clemens Buchacher
52a0a1bd10 t7607: use test-lib functions and check MERGE_HEAD
Use the test_commit and test_path_is_missing
functions from the test library.

Also make sure that a merge which fails due to
pre-merge checks aborts properly and does not
leave MERGE_HEAD behind.

The "will not overwrite removed file" test is an
exception to this. It notices the untracked file
at a stage where the merge is already well under
way. Therefore we cannot abort the merge without
major restructuring. See the following thread for
more details.

http://mid.gmane.org/7vskopwxej.fsf@gitster.siamese.dyndns.org

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
2010-10-13 14:34:08 -07:00
Junio C Hamano
69ae92bda1 shell portability: no "export VAR=VAL"
It is more portable to say "VAR=VAL && export VAR" instead.

Noticed by Ævar.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 11:36:36 -07:00
Jakub Narebski
ae5e97ec40 gitweb: Fix test of highlighting support in t9500
The commit 7ce896b (Enable highlight executable path as a
configuration option, 2010-09-21) forgot to update t9500 test.

While at it, describe highlight test better.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13 09:37:31 -07:00
Michael J Gruber
c72781d612 t5503: fix typo
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-08 14:10:33 -07:00
Junio C Hamano
c752e7f3e8 Merge branch 'maint'
* maint:
  t/t3415: use && where applicable.
  SubmittingPatches: Document some extra tags used in commit messages
2010-10-06 13:49:45 -07:00
Yann Dirson
7c6eafa35a t/t3415: use && where applicable.
Signed-off-by: Yann Dirson <ydirson@altern.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:46:02 -07:00
Elijah Newren
00648ba050 Introduce sane_unset and use it to ensure proper && chaining
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:33 -07:00
Elijah Newren
bc0f35ca23 t7800 (difftool): add missing &&
Also remove a call to 'git config --unset difftool.prompt', since that is
already unset by restore_test_defaults.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:13 -07:00
Elijah Newren
af7b252619 t7601 (merge-pull-config): add missing &&
Also prefix several relevant git merge commands with 'test_must_fail' to
keep the tests passing.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:13 -07:00
Elijah Newren
a2b1e53b94 t7001 (mv): add missing &&
Also, prefix an expected-to-fail git mv command with 'test_must_fail'.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
e6f68a2e74 t6016 (rev-list-graph-simplify-history): add missing &&
Also move repeated tag and branch deletions into a separate setup test, to
avoid failures from tags and branches having already been deleted.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
771cf1dab9 t5602 (clone-remote-exec): add missing &&
Also add a couple test_must_fail invocations where needed, and avoid
one-shot environment variable export and function calls.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
5935c581df t4026 (color): remove unneeded and unchained command
Ever since 8b12413 (color: allow multiple attributes 2010-02-27),
diff.color.new has been unused in t4026, so also remove the final unsetting
of that value to make the third to last test pass with appropriate
'&&' chaining.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
0564b3ee7c t4019 (diff-wserror): add lots of missing &&
Also add test_might_fail in front of the git_config --unset commands that
may be trying to unset a value that never got set (due to a previous
failing test) or that were already unset.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
5a57bc6bfc t4202 (log): Replace '<git-command> || :' with test_might_fail
Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:12 -07:00
Elijah Newren
b62b3436ff t4002 (diff-basic): use test_might_fail for commands that might fail
Also replace '|| return 1' by '&&' to allow chain of operations to be
checked for proper return status, and modify the update-index command
as suggested by Jonathan Nieder to not exit early but try to make sure
files that match the work tree are marked as matching.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:11 -07:00
Elijah Newren
315e76540b t100[12] (read-tree-m-2way, read_tree_m_u_2way): add missing &&
Also, replace "|| return 1" with "&&" in order to keep commands chained.

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:11 -07:00
Elijah Newren
dd0c69e956 t4017 (diff-retval): replace manual exit code check with test_expect_code
This commit takes advantage of Ævar Arnfjörð Bjarmason's recent change
to test_expect_code (test-lib: make test_expect_code a test command) to
simplify several testcases.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:11 -07:00
Ævar Arnfjörð Bjarmason
892e6f7ea6 test-lib: make test_expect_code a test command
Change test_expect_code to be a normal test command instead of a
top-level command.

As a top-level command it would fail in cases like:

    test_expect_code 1 'phoney' '
        foo && bar && (exit 1)
    '

Here the test might incorrectly succeed if "foo" or "bar" happened to
fail with exit status 1. Instead we now do:

    test_expect_success 'phoney' '
        foo && bar && test_expect_code 1 "(exit 1)"
    '

Which will only succeed if "foo" and "bar" return status 0, and "(exit
1)" returns status 1.  Note that test_expect_code has been made slightly
noisier, as it reports the exit code it receives even upon success.

Some test code in t0000-basic.sh relied on the old semantics of
test_expect_code to test the test_when_finished command. I've
converted that code to use an external test similar to the TODO test I
added in v1.7.3-rc0~2^2~3.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 13:26:11 -07:00
Junio C Hamano
dd15c7fffc Make test script t9157 executable
Fixes a buglet introduced by a3c75056d

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 12:13:20 -07:00
Junio C Hamano
4ac9aeb2b2 Merge branch 'bc/fix-cherry-pick-root'
* bc/fix-cherry-pick-root:
  builtin/revert.c: don't dereference a NULL pointer
2010-10-06 12:11:20 -07:00
Junio C Hamano
90215bf300 Merge branch 'maint'
* maint:
  Documentation/git-clone: describe --mirror more verbosely
  do not depend on signed integer overflow
  work around buggy S_ISxxx(m) implementations
  xdiff: cast arguments for ctype functions to unsigned char
  init: plug tiny one-time memory leak
  diffcore-pickaxe.c: remove unnecessary curly braces
  t3020 (ls-files-error-unmatch): remove stray '1' from end of file
  setup: make sure git dir path is in a permanent buffer
  environment.c: remove unused variable
  git-svn: fix processing of decorated commit hashes
  git-svn: check_cherry_pick should exclude commits already in our history
  Documentation/git-svn: discourage "noMetadata"
2010-10-06 12:10:02 -07:00
Junio C Hamano
d4da4bc764 Merge early part of git-svn into maint
* commit 'git-svn/master~1':
  git-svn: fix processing of decorated commit hashes
  git-svn: check_cherry_pick should exclude commits already in our history
  Documentation/git-svn: discourage "noMetadata"
2010-10-05 08:36:15 -07:00
Stephen Boyd
3c3bb51c3b send-email: Don't leak To: headers between patches
If the first patch in a series has a To: header in the file and the
second patch in the series doesn't the address from the first patch will
be part of the To: addresses in the second patch. Fix this by treating the
to list like the cc list. Have an initial to list come from the command
line, user input and config options. Then build up a to list from each
patch and concatenate the two together before sending the patch. Finally,
reset the list after sending each patch so the To: headers from a patch
don't get used for the next one.

Reported-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-04 00:12:13 -07:00
Elijah Newren
2d2ef5ec82 t3020 (ls-files-error-unmatch): remove stray '1' from end of file
Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-03 17:55:22 -07:00
Eric Sunshine
36e035f5dc Side-step MSYS-specific path "corruption" leading to t5560 failure.
Upon program invocation, MSYS converts environment variables containing
path-like values from Unix-style to DOS-style under the assumption that
the program being invoked understands only DOS-style pathnames.  For
instance, the Unix-style path /msysgit is translated to c:/msysgit.  For
test t5560, the path being requested from git-http-backend is specified
via environment variable PATH_INFO as a URL path of the form
/repo.git/foobar, which git-http-backend combines with GIT_PROJECT_ROOT
to determine the actual physical path within the repository. This is a
case where MSYS's conversion of the path-like value of PATH_INFO causes
harm, for two reasons.  First, the resulting converted path, when joined
with GIT_PROJECT_ROOT is bogus (for instance,
"C:/msysgit/git/t/trash-zzz/C:/msysgit/repo.git/HEAD").  Second, the
converted PATH_INFO path is rejected by git-http-backend as an 'alias'
due to validation failure on the part of daemon_avoid_alias().
Unfortunately, the standard work-around of doubling the leading slash
(i.e. //repo.git/foobar) to suppress MSYS path conversion works only for
command-line arguments, but not for environment variables.
Consequently, side step the problem by instead passing git-http-backend
an already-constructed full path rather than components GIT_PROJECT_ROOT
and PATH_INFO.

Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2010-10-03 23:31:13 +01:00
Eric Sunshine
ca02ad3447 Side-step sed line-ending "corruption" leading to t6038 failure.
By default, MSYS sed throws away CR from CRLF line-endings.  Tests
t6038.5 and t6038.6 employ sed to normalize conflict output of git-merge
for validation purposes.  These tests expect CRLF line-endings to be
present in the normalized output of git-merge, and thus fail when sed
undesirably removes CR.  Fix by employing sed's -b/--binary switch to
suppress its default behavior of dropping CR characters.

Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2010-10-03 23:29:19 +01:00
Pat Thoyts
97f2c33a52 Skip 'git archive --remote' test on msysGit
This test requires git daemon support which is not available on msysgit

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2010-10-01 23:08:48 +01:00
Pat Thoyts
a94114ad3d Do not strip CR when grepping HTTP headers.
By default, MSYS grep reads in text-mode and converts CRLF into LF line
endings. For testing HTTP use binary mode (-U) as checking is done for
CR in HTTP headers

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2010-10-01 23:08:48 +01:00
Pat Thoyts
3ba9ba8f34 Skip t1300.70 and 71 on msysGit.
These two tests fail on msysGit because /dev/null is an alias for nul on
Windows and when reading the value back from git config the alias does
not match the real filename. Also the HOME environment variable has a
unix-style path but git returns a native equivalent path for '~'.  As
these are platform-dependent equivalent results it seems simplest to
skip the test entirely.

Moves the NOT_MINGW prereq from t5503 into the test library.

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2010-10-01 23:08:47 +01:00
Junio C Hamano
1e63341847 Merge branch 'maint'
* maint:
  Fix typo in pack-objects' usage
  Make sure that git_getpass() never returns NULL
  t0004 (unwritable files): simplify error handling
  rev-list-options: clarify --parents and --children
2010-09-30 14:59:53 -07:00
Ævar Arnfjörð Bjarmason
41ae8f1d6c send-email: use Perl idioms in while loop
Change `while(<$fh>) { my $c = $_' to `while(my $c = <$fh>) {', and
use `chomp $c' instead of `$c =~ s/\n$//g;', the two are equivalent in
this case.

I've also changed the --cccmd test so that we test for the stripping
of whitespace at the beginning of the lines returned from the
--cccmd. I think we probably shouldn't do this, but it was there
already so I haven't changed the behavior.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.comReviewed-by: Avery Pennarun <apenwarr@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-30 12:20:33 -07:00
Jakub Narebski
958a846721 gitweb/Makefile: Add 'test' and 'test-installed' targets
The 'test-installed' target in gitweb/Makefile tests installed gitweb,
using the same destination directory that 'install' target uses.

The 'test' target is just a convenience wrapper invoking 'gitweb-test'
target of t/Makefile.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-30 11:50:26 -07:00
Jakub Narebski
9299093750 t/gitweb-lib.sh: Add support for GITWEB_TEST_INSTALLED
You can set the GITWEB_TEST_INSTALLED environment variable to the
gitwebdir (the directory where gitweb is installed / deployed to) of
an existing gitweb instalation, or to the pathname of installed gitweb
script, to test that installation.

This change is intended to make it possible to test that process of
installing gitweb and the modules it depends on works correctly (after
splitting gitweb).

If GITWEB_TEST_INSTALLED is used, print what script are we testing
to make it easy to spot that we test installed gitweb.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-30 11:48:26 -07:00
Jonathan Nieder
dbda967684 t0004 (unwritable files): simplify error handling
Instead of

	... normal test script ...
	status=$?
	... cleanup ...
	(exit $status)

set up cleanup commands with test_when_finished.  This makes the
test script a little shorter, and more importantly, it ensures errors
during cleanup are reported.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-30 10:39:06 -07:00
Elijah Newren
ef02b31721 merge-recursive: Make room for directories in D/F conflicts
When there are unmerged entries present, make sure to check for D/F
conflicts first and remove any files present in HEAD that would be in the
way of creating files below the correspondingly named directory.  Such
files will be processed again at the end of the merge in
process_df_entry(); at that time we will be able to tell if we need to
and can reinstate the file, whether we need to place its contents in a
different file due to the directory still being present, etc.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:05 -07:00
Elijah Newren
84a08a47b9 handle_delete_modify(): Check whether D/F conflicts are still present
If all the paths below some directory involved in a D/F conflict were not
removed during the rest of the merge, then the contents of the file whose
path conflicted needs to be recorded in file with an alternative filename.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:05 -07:00
Elijah Newren
4ab9a157d0 merge_content(): Check whether D/F conflicts are still present
If all the paths below some directory involved in a D/F conflict were not
removed during the rest of the merge, then the contents of the file whose
path conflicted needs to be recorded in file with an alternative filename.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:05 -07:00
Elijah Newren
2adc7dcc11 conflict_rename_rename_1to2(): Fix checks for presence of D/F conflicts
This function is called from process_df_entry(), near the end of the merge.
Rather than just checking whether one of the sides of the merge had a
directory at the same path as one of our files, check whether that
directory is still present by this point of our merge.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:05 -07:00
Elijah Newren
a0de2f6bd3 conflict_rename_delete(): Check whether D/F conflicts are still present
If all the paths below some directory involved in a D/F conflict were not
removed during the rest of the merge, then the contents of the file whose
path conflicted needs to be recorded in file with an alternative filename.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:04 -07:00
Elijah Newren
882fd11aff merge-recursive: Delay content merging for renames
Move the handling of content merging for renames from process_renames() to
process_df_entry().

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:04 -07:00
Elijah Newren
07413c5a31 merge-recursive: Move handling of double rename of one file to two
Move the handling of rename/rename conflicts where one file is renamed to
two different files, from process_renames() to process_df_entry().

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:04 -07:00
Elijah Newren
2a669c341a merge-recursive: Avoid doubly merging rename/add conflict contents
When a commit moves A to B while another commit created B (or moved C to
B), and these two different commits serve as different merge-bases for a
later merge, c94736a (merge-recursive: don't segfault while handling
rename clashes 2009-07-30) added some special code to avoid segfaults.
Since that commit, the two versions of B are merged in place (which could
be potentially conflicting) and the intermediate result is used as the
virtual ancestor.

However, right before this special merge, try_merge was turned on, meaning
that process_renames() would try an alternative merge that ignores the
'add' part of the conflict, and, if the merge is clean, store that as the
new virtual ancestor.  This could cause incorrect merging of criss-cross
merges; it would typically result in just recording a slightly confusing
merge base, but in some cases it could cause silent acceptance of one side
of a merge as the final resolution when a conflict should have been
flagged.

When we do a special merge for such a rename/add conflict between
merge-bases, turn try_merge off to avoid an inappropriate second merge.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:37:04 -07:00
Elijah Newren
f63622c0a9 t6036: Add testcase for undetected conflict
If merging two lines of development involves a rename/add conflict, and two
different people make such a merge but resolve it differently, and then
someone tries to merge the resulting two merges, then they should clearly
get a conflict due to the different resolutions from the previous
developers.  However, in some such cases the conflict would not be detected
and git would silently accept one of the two versions being merged as the
final merge resolution.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29 17:32:37 -07:00