$ git clone -n https://src.fedoraproject.org/rpms/rpy.git /var/lib/mock/f38-build-side-42-init-devel-472054-23377/root/chroot_tmpdir/scmroot/rpy
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-472054-23377/root/chroot_tmpdir/scmroot/rpy'...
$ git reset --hard b90c2bc48ca8730dab4e44ff22da64e2371ddf25
HEAD is now at b90c2bc 3.5.10