$ git clone -n https://src.fedoraproject.org/rpms/tellico.git /var/lib/mock/f38-build-side-42-init-devel-735677-27633/root/chroot_tmpdir/scmroot/tellico
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-735677-27633/root/chroot_tmpdir/scmroot/tellico'...
$ git fetch origin cd51f63fc234bf92e76b6c3bb1282fd99116ba14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tellico
 * [new ref]         cd51f63fc234bf92e76b6c3bb1282fd99116ba14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd51f63 Update to 3.4.6