$ git clone -n https://src.fedoraproject.org/rpms/cups-x2go.git /var/lib/mock/f45-build-7282-362/root/chroot_tmpdir/scmroot/cups-x2go
Cloning into '/var/lib/mock/f45-build-7282-362/root/chroot_tmpdir/scmroot/cups-x2go'...
$ git fetch origin 80e8b1375c66dd6540ae5b4764764fed28142e71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cups-x2go
 * [new ref]         80e8b1375c66dd6540ae5b4764764fed28142e71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80e8b13 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild