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#!@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/HEAD/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/HEAD/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
extra_commands="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."
: ${clock_adjfile:=${CLOCK_ADJFILE}}
: ${clock_args:=${CLOCK_OPTS}}
: ${clock_systohc:=${CLOCK_SYSTOHC}}
: ${clock:=${CLOCK:-UTC}}
if [ "$clock" = "UTC" ]; then
utc="UTC"
utc_cmd="--utc"
else
utc="Local Time"
utc_cmd="--localtime"
fi
depend()
{
provide clock
want modules
if yesno $clock_adjfile; then
use root
fi
keyword -docker -lxc -openvz -prefix -systemd-nspawn -uml -vserver -xenu
}
setupopts()
{
case "$(uname -m)" in
s390*)
utc="s390"
;;
*)
if [ -e /proc/devices ] && \
grep -q " cobd$" /proc/devices
then
utc="coLinux"
fi
;;
esac
case "$utc" in
UTC|Local" "Time);;
*) unset utc_cmd;;
esac
}
# hwclock doesn't always return non zero on error
_hwclock()
{
local err="$(hwclock "$@" 2>&1 >/dev/null)"
[ -z "$err" ] && return 0
echo "${err}" >&2
return 1
}
get_noadjfile()
{
if ! yesno $clock_adjfile; then
# Some implementations don't handle adjustments
if LC_ALL=C hwclock --help 2>&1 | grep -q "\-\-noadjfile"; then
echo --noadjfile
fi
fi
}
rtc_exists()
{
local rtc=
for rtc in /dev/rtc /dev/rtc[0-9]*; do
[ -e "$rtc" ] && break
done
[ -e "$rtc" ]
}
start()
{
local retval=0 errstr="" modname
setupopts
if [ -z "$utc_cmd" ]; then
ewarn "Not setting clock for $utc system"
return 0
fi
ebegin "Setting system clock using the hardware clock [$utc]"
if [ -e /proc/modules ]; then
if ! rtc_exists; then
for x in rtc-cmos rtc genrtc; do
modprobe -q $x && rtc_exists && modname="$x" && break
done
[ -n "$modname" ] &&
ewarn "The $modname module needs to be configured in" \
"${RC_SERVICE%/*/*}/conf.d/modules or built in."
fi
fi
# Always set the kernel's time zone.
_hwclock --systz $utc_cmd $(get_noadjfile) $clock_args
: $(( retval += $? ))
if [ -e /etc/adjtime ] && yesno $clock_adjfile; then
_hwclock --adjust $utc_cmd $(get_noadjfile)
: $(( retval += $? ))
fi
if yesno ${clock_hctosys:-YES}; then
_hwclock --hctosys $utc_cmd $(get_noadjfile) $clock_args
: $(( retval += $? ))
fi
eend $retval "Failed to set the system clock"
return 0
}
stop()
{
# Don't tweak the hardware clock on LiveCD halt.
[ -n "$CDBOOT" ] && return 0
yesno ${clock_systohc:-YES} || return 0
local retval=0 errstr=""
setupopts
[ -z "$utc_cmd" ] && return 0
ebegin "Setting hardware clock using the system clock" "[$utc]"
_hwclock --systohc $utc_cmd $(get_noadjfile) $clock_args
retval=$?
eend $retval "Failed to sync clocks"
}
save()
{
clock_systohc=yes
stop
}
show()
{
setupopts
hwclock --show "$utc_cmd" $(get_noadjfile) $clock_args
}
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