$ git clone -n https://src.fedoraproject.org/rpms/phonon.git /var/lib/mock/f45-build-27857-626/root/chroot_tmpdir/scmroot/phonon
Cloning into '/var/lib/mock/f45-build-27857-626/root/chroot_tmpdir/scmroot/phonon'...
$ git fetch origin cb9c335338ddd29c48d5acae4bbc435e23b14a4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phonon
 * [new ref]         cb9c335338ddd29c48d5acae4bbc435e23b14a4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb9c335 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild