[[!comment format=mdwn
 username="http://joeyh.name/"
 ip="2001:4978:f:21a::2"
 subject="comment 2"
 date="2012-10-17T18:31:58Z"
 content="""
You can use `GIT_DIR`. It would not be hard to add a --git-dir option, the only catch is how to communicate that state on to where it constructs its git repository data structure. (I suppose it could just set GIT_DIR..)
"""]]