Re: [PATCH 2/3] difftool: avoid $GIT_DIR and $GIT_WORK_TREE

> Junio C Hamano <gitster@pobox.com> writes:
> 
> > It is not wrong per-se, but as you are in a subshell, you do not
> > have to unset these, I would think.  Not worth a reroll, but unless
> > I am overlooking something (in which case please holler) I'm
> > inclined to remove these two lines myself while queuing the series.
> 
> I propose to squashing the following to 2/3 (and adjusting 3/3 as
> needed).  No need to resend if you agree it is a good idea, as it is
> part of what I've queued on 'pu'.
> 
> Thanks.

>  git-difftool.perl   | 2 +-
>  t/t7800-difftool.sh | 2 --
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/git-difftool.perl b/git-difftool.perl
> index bc2267f..c81cbe4 100755
> --- a/git-difftool.perl
> +++ b/git-difftool.perl
> @@ -88,11 +88,11 @@ sub changed_files
>  	my @refreshargs = (
>  		@gitargs, 'update-index',
>  		'--really-refresh', '-q', '--unmerged');
> -	my @diffargs = (@gitargs, 'diff-files', '--name-only', '-z');
>  	try {
>  		Git::command_oneline(@refreshargs);
>  	} catch Git::Error::Command with {};
>  
> +	my @diffargs = (@gitargs, 'diff-files', '--name-only', '-z');
>  	my $line = Git::command_oneline(@diffargs);
>  	my @files;
>  	if (defined $line) {
> diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
> index afdf370..cb25480 100755
> --- a/t/t7800-difftool.sh
> +++ b/t/t7800-difftool.sh
> @@ -421,8 +421,6 @@ run_dir_diff_test 'difftool --dir-diff from subdirectory with GIT_DIR set' '
>  		cd sub &&
>  		git difftool --dir-diff $symlinks --extcmd ls \
>  			branch -- sub >output &&
> -		sane_unset GIT_WORK_TREE &&
> -		sane_unset GIT_DIR &&
>  		grep sub output &&
>  		! grep file output
>  	)
> -- 
> 2.9.2-581-g77f0ffb
>