From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: git ate my home directory :-(
Date: Mon, 25 Mar 2013 15:15:13 -0700
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Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org,
	Jeff King <peff@peff.net>
To: Richard Weinberger <richard@nod.at>
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Richard Weinberger wrote:

> Okay, I have to set GIT_DIR _and_ GIT_WORK_TREE to make my scripts safe again?
> I've always set only GIT_DIR because it just worked (till today...).

chdir-ing into the git repo without setting any GIT_* vars is probably
the simplest way to go.