From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 06 Apr 2009 17:56:41 GMT
Subject: Re: git diff bug?
Message-ID: <7vskkl64yu.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <vpqeiw53cpy.fsf@bauges.imag.fr>

Matthieu Moy <Matthieu.Moy@imag.fr> writes:

> Jeff King <peff@peff.net> writes:
>
>> But the latter two lines are about preference: "here is how _I_ would
>> like to generate diffs for el files".
>
> ... and they are commands to be executed. If they were in the
> repository, and propagated with clone, then doing
>
> git clone git://some.git/repo
> cd repo
> git diff
>
> would execute arbitrary commands, which wouldn't be acceptable for
> security reasons.

Other configuration variables have such security implications, but diff
hunk header bit doesn't.  You are a bit overly cautious in this particular
case.