Re: [PATCH] difftool: support repositories with .git-files

> Jens Lehmann <Jens.Lehmann@web.de> writes:
> 
>>>> +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
>>>
>>> In the context of this fix, finishing with 0 exit status may be all
>>> we care about, but do we also care about things like in what
>>> directory the tool is invoked in, what arguments and extra
>>> environment settings (if any) it is given, and stuff like that?
>>
>> Sure. But I just intended to test the fix (and the test can easily
>> be extended by people who know more about difftool than I do).
> 
> Yes, we need to start somewhere and I'd agree that it was a good
> starting point.
> 
>> Right, using echo was not the best choice here. I used it to avoid
>> the dependency to meld...
> 
> Perhaps like this then?  This is an "a monkey sees what
> difftool_test_setup does and then mimics" patch ;-).

>  t/t7800-difftool.sh | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
> index 2418528..595f808 100755
> --- a/t/t7800-difftool.sh
> +++ b/t/t7800-difftool.sh
> @@ -434,4 +434,17 @@ 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 config diff.tool checktrees &&
> +		git config difftool.checktrees.cmd '\''
> +			test -d "$LOCAL" && test -d "$REMOTE"
> +		'\'' &&
> +		echo further >>file &&
> +		git difftool --tool=checktrees --dir-diff
> +	)
> +'
> +
>  test_done
> --
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