If git rev-parse returns the same name as we asked for, return "".
treeea6db92a3b3f216e32682f3dd2805b7403c4c88c
-rw-r--r-- 35146 LICENSE
-rw-r--r-- 1974 README
drwxr-xr-x - doc
-rwxr-xr-x 11675 git2svn
-rw-r--r-- 205 run-tests.sh