From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 17 Feb 2012 19:26:38 GMT
Subject: Re: How to use git attributes to configure server-side checks?
Message-ID: <7vd39dtg5t.fsf@alter.siamese.dyndns.org>
In-Reply-To: <4F3E9F86.3070802@alum.mit.edu>

Michael Haggerty <mhagger@alum.mit.edu> writes:

> I was just alerted by Scott Chacon's blog [1] to the fact that one can
> set GIT_INDEX_FILE to an arbitrary filename, thereby causing the index
> to be read/written from that file instead of $GIT_DIR/index.

That's very old fashioned.  For almost five years, the preferred way to
say that has been "git read-tree --index-output=file" ;-)

But what you outlined should work.