$ git clone -n https://src.fedoraproject.org/rpms/floppy-support.git /var/lib/mock/f45-build-9084-398/root/chroot_tmpdir/scmroot/floppy-support
Cloning into '/var/lib/mock/f45-build-9084-398/root/chroot_tmpdir/scmroot/floppy-support'...
$ git fetch origin d575b33181408c1afa93903d18c25347b134b5fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/floppy-support
 * [new ref]         d575b33181408c1afa93903d18c25347b134b5fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d575b33 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild