Subject: Re: [PATCH] Move git send-email cover letter temporary file to $GIT_DIR

From: Junio C Hamano <[email-masked]>
Date: Fri, 21 Dec 2007 17:09:04 -0800

Don't you have $repo (an instance of Git) at that point?  You
should be able to ask repo_path() about it, shouldn't you?