$ git clone -n https://src.fedoraproject.org/rpms/kf6-kitemmodels.git /var/lib/mock/f42-build-side-1-3585733-46907/root/chroot_tmpdir/scmroot/kf6-kitemmodels
Cloning into '/var/lib/mock/f42-build-side-1-3585733-46907/root/chroot_tmpdir/scmroot/kf6-kitemmodels'...
$ git fetch origin 80ac9aaca56ce1bf639bc85e0f0703ff6d90859a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kitemmodels
 * [new ref]         80ac9aaca56ce1bf639bc85e0f0703ff6d90859a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80ac9aa 6.16.0