Merge branch 'nd/git-dir-pointing-at-gitfile' into maint

* nd/git-dir-pointing-at-gitfile: Make setup_git_env() resolve .git file when $GIT_DIR is not specified

Junio C Hamano committed Oct 17, 2013 at 15:45 UTC f8aeacfa1f1e7b1f2d7b0c5fbb7becbbc6248183

No changes.