Am 24.02.2014 17:55, schrieb Junio C Hamano:
> David Aguilar <dav...@gmail.com> writes:
>
>> Modern versions of "git submodule" use .git-files to setup the
>> submodule directory. When run in a "git submodule"-created
>> repository "git difftool --dir-diff" dies with the following
>> error:
>>
>> $ git difftool -d HEAD~
>> fatal: This operation must be run in a work tree
>> diff --raw --no-abbrev -z HEAD~: command returned error: 128
>>
>> core.worktree is relative to the .git directory but the logic
>> in find_worktree() does not account for it.
>>
>> Use `git rev-parse --show-toplevel` to find the worktree so that
>> the dir-diff feature works inside a submodule.
>>
>> Reported-by: Gábor Lipták <gabor.lip...@gmail.com>
>> Helped-by: Jens Lehmann <jens.lehm...@web.de>
>> Helped-by: John Keeping <j...@keeping.me.uk>
>> Signed-off-by: David Aguilar <dav...@gmail.com>
>> ---
>
> Looks good; thanks.
FWIW:
Tested-by: Jens Lehmann <jens.lehm...@web.de>
What about squashing this in to detect any future regressions?
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 2418528..d86ad68 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -434,4 +434,12 @@ test_expect_success PERL 'difftool --no-symlinks detects
conflict ' '
)
'
+test_expect_success PERL 'difftool properly honours gitlink and core.worktree'
'
+ git submodule add ./. submod/ule &&
+ (
+ cd submod/ule &&
+ git difftool --tool=echo --dir-diff --cached
+ )
+'
+
test_done
--
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