$ git clone -n https://src.fedoraproject.org/rpms/erfa.git /var/lib/mock/f45-build-8213-378/root/chroot_tmpdir/scmroot/erfa
Cloning into '/var/lib/mock/f45-build-8213-378/root/chroot_tmpdir/scmroot/erfa'...
$ git fetch origin 528945a9dba818670fbb1638179e31ff927049c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erfa
 * [new ref]         528945a9dba818670fbb1638179e31ff927049c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 528945a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild