$ git clone -n https://src.fedoraproject.org/rpms/ratpoison.git /var/lib/mock/f45-build-34330-684/root/chroot_tmpdir/scmroot/ratpoison
Cloning into '/var/lib/mock/f45-build-34330-684/root/chroot_tmpdir/scmroot/ratpoison'...
$ git fetch origin b092cda749b48734d17247a3a98189571dc9fcbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ratpoison
 * [new ref]         b092cda749b48734d17247a3a98189571dc9fcbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b092cda Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild