$ git clone -n https://src.fedoraproject.org/rpms/sddm-kcm.git /var/lib/mock/f45-build-35724-698/root/chroot_tmpdir/scmroot/sddm-kcm
Cloning into '/var/lib/mock/f45-build-35724-698/root/chroot_tmpdir/scmroot/sddm-kcm'...
$ git fetch origin 56a69c973346977aac2920f9e6f25066356469f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sddm-kcm
 * [new ref]         56a69c973346977aac2920f9e6f25066356469f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56a69c9 6.7.5