Re: [PATCH 2/2] difftool: don't assume that default sh is sane

> On Sat, Jul 19, 2014 at 05:35:17PM +0100, Charles Bailey wrote:
> > diff --git a/git-difftool.perl b/git-difftool.perl
> > index 18ca61e..598fcc2 100755
> > --- a/git-difftool.perl
> > +++ b/git-difftool.perl
> > @@ -47,13 +47,9 @@ sub find_worktree
> >  
> >  sub print_tool_help
> >  {
> > -	my $cmd = 'TOOL_MODE=diff';
> > -	$cmd .= ' && . "$(git --exec-path)/git-mergetool--lib"';
> > -	$cmd .= ' && show_tool_help';
> > -
> >  	# See the comment at the bottom of file_diff() for the reason behind
> >  	# using system() followed by exit() instead of exec().
> > -	my $rc = system('sh', '-c', $cmd);
> > +	my $rc = system(qw(git mergetool --tool-help=diff));
> 
> I believe qw() in list context is considered deprecated.