From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Mon, 17 Dec 2007 23:01:37 GMT
Subject: Re: git with custom diff for commits
Message-ID: <Pine.LNX.4.64.0712172300510.9446@racer.site>
In-Reply-To: <60687a7d0712171456p14328817y5aa229f0df23c02f@mail.gmail.com>

Hi,

On Mon, 17 Dec 2007, Gerald Gutierrez wrote:

> I do a nightly mysqldump of a database and check it into a git 
> repository. mysqldump generates a timestamp as part of that output which 
> is causing git to think that the file changes every night when it really 
> doesn't. The timestamp is simply in an SQL comment.
> 
> So what I'd like to do is teach git to ignore that particular SQL 
> timestamp comment. I've tried to set up an external diff script that 
> runs diff -I "<<sql timestamp comment>>" that effectively ignores the 
> timestamp. While this works with "git diff", it seems when git commits, 
> it still sees the differences.
> 
> How do I properly teach git to ignore these types of differences?

You might be interested in reading Documentation/gitattributes.txt, look 
for "diff driver".

Hth,
Dscho