#!/bin/sh

default_resume_kernel()
{
	case $(uname -m) in
		i?86|x86_64|athlon)
			;;
		*) # this is only valid for x86 and x86_64
			return 1
			;;
	esac
	
	[ -x /sbin/grubby -a -x /sbin/grub ] || return 1
	[ -e "/boot/vmlinuz-$(uname -r)" ] || return 1
	
	out=$(/sbin/grubby --info /boot/vmlinuz-$(uname -r) |grep index)
	[ -n "${out}" ] || return 1
	current=${out#index=}
	echo "savedefault --default=${current} --once" | /sbin/grub --batch --no-floppy --device-map=/boot/grub/device.map --no-curses >/dev/null
	
	return 0
}

RETVAL=0
case "$1" in
	hibernate)
		default_resume_kernel
		RETVAL=$?
		;;
	*)
		;;
esac

exit $RETVAL