$ git clone -n https://src.fedoraproject.org/rpms/freedoom-freedm.git /var/lib/mock/f45-build-9225-400/root/chroot_tmpdir/scmroot/freedoom-freedm
Cloning into '/var/lib/mock/f45-build-9225-400/root/chroot_tmpdir/scmroot/freedoom-freedm'...
$ git fetch origin 0ab60cae335956af62ad6cf40e5b723854d481c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freedoom-freedm
 * [new ref]         0ab60cae335956af62ad6cf40e5b723854d481c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ab60ca Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild