From: Petr Baudis <pasky@suse.cz>
Date: Wed, 21 Sep 2005 08:15:47 GMT
Subject: Re: [PATCH] cg-diff fixed to work with BSD xargs
Message-ID: <20050921081547.GA24902@pasky.or.cz>
In-Reply-To: <pan.2005.09.21.07.33.14.533314@smurf.noris.de>

Dear diary, on Wed, Sep 21, 2005 at 09:33:15AM CEST, I got a letter
where Matthias Urlichs <smurf@smurf.noris.de> told me that...
> Hi, Martin Langhoff wrote:
> 
> > Calls to cg-diff without filename parameters were dependent on GNU xargs
> > traits. 
> 
> I don't know what drugs your shell was on when you tested this (assuming
> that you did ;-)  but this patch is wrong -- your test always succeeds,
> due to the vagaries of test / [ ] semantics.
> 
> > -	cat $filter | xargs git-diff-cache -r -p $tree | colorize | pager
> > +	if [ -s $filter ]; then
> > +		cat $filter | xargs git-diff-cache -r -p $tree | colorize | pager  
> > +	else
> > +		git-diff-cache -r -p $tree | colorize | pager
> > +	fi
> >  
>  $ foo=""
>  $ [ -s $foo ]
>  $ echo $?
> 0
>  $ [ -s "$foo" ]
>  $ echo $?
> 1
>  $

$filter is a file name. -s tests whether the file of that name exists
and is non-empty.

-- 
				Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
VI has two modes: the one in which it beeps and the one in which
it doesn't.