$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcmutils.git /var/lib/mock/f42-build-863360-171641/root/chroot_tmpdir/scmroot/kf6-kcmutils
Cloning into '/var/lib/mock/f42-build-863360-171641/root/chroot_tmpdir/scmroot/kf6-kcmutils'...
$ git fetch origin f5aae454889aac6e0c7b7a891cb41471c19daa36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcmutils
 * [new ref]         f5aae454889aac6e0c7b7a891cb41471c19daa36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5aae45 Frameworks 6.9