$ git clone -n https://src.fedoraproject.org/rpms/golang-k8s-kubectl.git /var/lib/mock/f40-build-2236638-53517/root/chroot_tmpdir/scmroot/golang-k8s-kubectl
Cloning into '/var/lib/mock/f40-build-2236638-53517/root/chroot_tmpdir/scmroot/golang-k8s-kubectl'...
$ git fetch origin b63643bc008f8c94a9bab2de76d511fa3371016f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-k8s-kubectl
 * [new ref]         b63643bc008f8c94a9bab2de76d511fa3371016f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b63643b Remove deprecated %patchN syntax