$ git clone -n https://src.fedoraproject.org/rpms/plasma-integration.git /var/lib/mock/f42-bootstrap-3533869-46421/root/chroot_tmpdir/scmroot/plasma-integration
Cloning into '/var/lib/mock/f42-bootstrap-3533869-46421/root/chroot_tmpdir/scmroot/plasma-integration'...
$ git fetch origin 14cca8663f77c324473f9158790f185c05a2d750:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-integration
 * [new ref]         14cca8663f77c324473f9158790f185c05a2d750 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14cca86 Rebuild (qt5)