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#!/sbin/runscript
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
opts="save show"
description="Sets the local clock to UTC or Local Time."
description_save="Saves the current time in the BIOS."
description_show="Displays the current time in the BIOS."
depend() {
if [ "${CLOCK_ADJFILE}" = "yes" ]; then
use checkroot
else
before *
fi
}
setupopts() {
utc=
case "${RC_SYS}" in
UML|VPS|XEN)
TBLURB="${RC_SYS}"
;;
*)
case "$(uname -m)" in
s390*)
TBLURB="s390"
;;
*)
if [ -e /proc/devices ] && grep -q " cobd$" /proc/devices ; then
TBLURB="coLinux"
elif [ "${CLOCK}" = "UTC" ] ; then
utc="--utc"
TBLURB="UTC"
else
utc="--localtime"
TBLURB="Local Time"
fi
;;
esac
;;
esac
[ -n "${utc}" ] || return 0
# Make sure user isn't using rc.conf anymore.
if [ -e /etc/rc.conf ] && \
[ -n "$(unset CLOCK; . /etc/rc.conf; echo "${CLOCK}")" ] ; then
ewarn "CLOCK should not be set in /etc/rc.conf but in /etc/conf.d/clock"
fi
# Make sure people set their timezone ... we do it here
# even though we don't actually use the variable so that
# people see the warning on boot.
if [ -z "${CDBOOT}" -a "${TIMEZONE-Factory}" = "Factory" ] ; then
ewarn "Your TIMEZONE in /etc/conf.d/clock is still set to Factory!"
fi
}
start() {
local utc= TBLURB= errstr="" retval=0
setupopts
ebegin "Setting system clock using the hardware clock [${TBLURB}]"
if [ -n "${utc}" ]; then
if [ -e /proc/modules -a ! -e /dev/rtc ] ; then
modprobe -q rtc || modprobe -q genrtc
fi
# Since hwclock always exit's with a 0, need to check its output.
if [ -e /etc/adjtime -a "${CLOCK_ADJFILE}" = "yes" ]; then
errstr="$(hwclock --adjust ${utc} 2>&1 >/dev/null)"
fi
# If setting UTC, don't bother to run hwclock when first booting
# as that's the default
if [ "${PREVLEVEL}" != "N" -o "${utc}" != "--utc" -o -n "${CLOCK_OPTS}" ]; then
errstr="${errstr}$(hwclock --hctosys ${utc} ${CLOCK_OPTS} 2>&1 >/dev/null)"
fi
fi
if [ -n "${errstr}" ]; then
ewarn "${errstr}"
retval=1
fi
errstr="Failed to set clock"
eend ${retval} "${errstr}" "You will need to set the clock yourself"
return 0
}
stop() {
# Don't tweak the hardware clock on LiveCD halt.
[ -n "${CDBOOT}" -o "${CLOCK_SYSTOHC}" != "yes" ] && return 0
local utc= TBLURB= errstr="" retval=0
setupopts
ebegin "Setting hardware clock using the system clock" "[${TBLURB}]"
if [ -n "${utc}" ]; then
if [ "${CLOCK_ADJFILE}" != "yes" ]; then
# Some implementations don't handle adjustments
if LC_ALL=C hwclock --help | grep -q "\-\-noadjfile"; then
utc="${utc} --noadjfile"
fi
fi
errstr="$(LC_ALL=C hwclock --systohc ${utc} ${CLOCK_OPTS} 2>&1 >/dev/null)"
fi
if [ -n "${errstr}" ] ; then
ewarn "${errstr}"
retval=1
fi
errstr="Failed to sync clocks"
eend ${retval} "${errstr}"
}
save() {
CLOCK_SYSTOHC="yes"
stop
}
show() {
local utc= TBLURB=
setupopts
/sbin/hwclock --show "${utc}" ${CLOCK_OPTS}
}
# vim: set ts=4 :
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