#!@PREFIX@/sbin/runscript
# Copyright 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.

extra_commands="save"

description="Sets the local clock to UTC or Local Time." 
description_save="Saves the current time in the BIOS."

clock=${clock:-${CLOCK:-UTC}}
if [ "${clock}" = "UTC" ]; then
	utc="UTC"
else
	utc="Local Time"
fi

depend()
{
	provide clock
	# BSD adjkerntz needs to be able to write to /etc
	if [ "${clock}" = "UTC" -a -e /etc/wall_cmos_clock ] ||
	   [ "${clock}" != "UTC" -a ! -e /etc/wall_cmos_clock ]; then
		need root
	fi
	keyword nojail noprefix
}

start()
{	
	ebegin "Starting the System Clock Adjuster [${utc}]"
	if [ "${clock}" != "UTC" ]; then
		echo >/etc/wall_cmos_clock
		start-stop-daemon --start --exec /sbin/adjkerntz -- -i
	else
		rm -f /etc/wall_cmos_clock
		/sbin/adjkerntz -i
	fi
	eend $?
}

save()
{
	ebegin "Setting hardware clock using the system clock [${utc}]"
	adjkerntz -a
	eend $?
}

stop()
{
	# Don't tweak the hardware clock on LiveCD halt.
	if yesno "${clock_systohc:-${CLOCK_SYSTOHC}}"; then
	   [ -z "${CDBOOT}" ] && save
	fi

	ebegin "Stopping the System Clock Adjuster"
	if start-stop-daemon --test --quiet --stop --exec /sbin/adjkerntz; then
		start-stop-daemon --stop --exec /sbin/adjkerntz
		eend $?
	else
		eend 0
	fi
}