$ git clone -n https://src.fedoraproject.org/rpms/autorestic.git /var/lib/mock/f40-build-805053-144686/root/chroot_tmpdir/scmroot/autorestic
Cloning into '/var/lib/mock/f40-build-805053-144686/root/chroot_tmpdir/scmroot/autorestic'...
$ git fetch origin 9a3dbb7e0cad1aee54d6c56dc26a1c8a890e6322:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/autorestic
 * [new ref]         9a3dbb7e0cad1aee54d6c56dc26a1c8a890e6322 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a3dbb7 Update to 1.8.1 rhbz#2269326