$ git clone -n https://src.fedoraproject.org/rpms/rubberband.git /var/lib/mock/f45-build-34744-691/root/chroot_tmpdir/scmroot/rubberband
Cloning into '/var/lib/mock/f45-build-34744-691/root/chroot_tmpdir/scmroot/rubberband'...
$ git fetch origin 44de35b4c6dbd99c9f4897b6ea48feaadf35bb63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubberband
 * [new ref]         44de35b4c6dbd99c9f4897b6ea48feaadf35bb63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44de35b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild