From: Junio C Hamano <junkio@cox.net>
Date: Wed, 14 Mar 2007 01:23:50 GMT
Subject: Re: [PATCH] Allow git-diff exit with codes similar to diff(1)
Message-ID: <7v1wjsipnd.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <Pine.LNX.4.63.0703140201240.22628@wbgn013.biozentrum.uni-wuerzburg.de>

Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

> Hi,
>
> On Wed, 14 Mar 2007, Alex Riesen wrote:
>
>> This introduces a new command-line option: --exit-code. The diff 
>> programs will return 1 for differences, return 0 for equality, and 
>> something else for errors.
>
> I am not convinced that this exit code (even if expected by experience) 
> makes sense. A diff should _only_ fail if anything goes _wrong_, not if 
> the files are _different. That is what cmp is for, no?

Not really, if you are used to use diff as a replacement for
cmp.