$ git clone -n https://src.fedoraproject.org/rpms/kf6-kitemviews.git /var/lib/mock/f42-build-862028-170551/root/chroot_tmpdir/scmroot/kf6-kitemviews
Cloning into '/var/lib/mock/f42-build-862028-170551/root/chroot_tmpdir/scmroot/kf6-kitemviews'...
$ git fetch origin dd63325260887ab6d697cc6c79c1e6fafe7d977e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kitemviews
 * [new ref]         dd63325260887ab6d697cc6c79c1e6fafe7d977e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd63325 6.8.0