#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.

extra_commands="save"

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

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

depend()
{
	after swclock
	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 -jail -prefix
}

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
}
