$ git clone -n https://src.fedoraproject.org/rpms/celluloid.git /var/lib/mock/f38-build-706495-91079/root/chroot_tmpdir/scmroot/celluloid
Cloning into '/var/lib/mock/f38-build-706495-91079/root/chroot_tmpdir/scmroot/celluloid'...
$ git reset --hard dbcf82ca83e4c96758a79d2a393a3a294591ec7f
HEAD is now at dbcf82c Update to 0.25.