$ git clone -n https://src.fedoraproject.org/rpms/rpy.git /var/lib/mock/f33-build-443127-63310/root/chroot_tmpdir/scmroot/rpy
Cloning into '/var/lib/mock/f33-build-443127-63310/root/chroot_tmpdir/scmroot/rpy'...
$ git reset --hard 66e4727fe3fff53f75bae918c20edf3df274a2c2
HEAD is now at 66e4727 update to 3.4.1