Since switching to --git-dir in r1218, we must have patch to the .git
directory or a bare repository. --git-dir will not accept a working
path that only contains a .git directory. Updated label to clarify this.
git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1226 e93f8b46-1217-0410-a6f0-8f06a7374b81