#!/bin/bash

LATEST_HKR=$( find /boot -name 'vmlinuz-*.blackjack.hkr.x86_64' | sort -V | tail -n1 )

[ -z "$LATEST_HKR" ] && exit 1

/usr/sbin/grubby --set-default=$LATEST_HKR

# we should succeed if there is no GRUB2 yet
exit 0