#! /bin/sh
set -e

config_item ()
{
    if [ -f /etc/default/grub ]; then
	. /etc/default/grub || return
	for x in /etc/default/grub.d/*.cfg; do
	    if [ -e "$x" ]; then
		. "$x"
	    fi
	done
    fi
    eval echo "\$$1"
}

case $(dpkg --print-architecture) in
    amd64)
	grubarch=x86_64-efi
	;;
    arm64)
	grubarch=arm64-efi
	;;
esac
case $1 in
    configure)
	bootloader_id="$(config_item GRUB_DISTRIBUTOR | tr A-Z a-z | \
			 cut -d' ' -f1)"
	case $bootloader_id in
	    kubuntu) bootloader_id=ubuntu ;;
	esac
	if [ "$bootloader_id" ] && [ -d "/boot/efi/EFI/$bootloader_id" ] \
	   && which grub-install >/dev/null 2>&1
	then
	    grub-install --target=${grubarch} --auto-nvram
	fi
	;;
esac

exit 0