138 lines
2.5 KiB
Plaintext
138 lines
2.5 KiB
Plaintext
#!@PREFIX@/sbin/runscript
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# Copyright 2007-2008 Roy Marples <roy@marples.name>
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# All rights reserved. Released under the 2-clause BSD license.
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extra_commands="save show"
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description="Sets the local clock to UTC or Local Time."
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description_save="Saves the current time in the BIOS."
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description_show="Displays the current time in the BIOS."
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clock_adjfile=${clock_adjfile:-${CLOCK_ADJFILE}}
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clock_args=${clock_args:-${CLOCK_OPTS}}
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clock_systohc=${clock_systohc:-${CLOCK_SYSTOHC}}
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clock=${clock:-${CLOCK:-UTC}}
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if [ "${clock}" = "UTC" ]; then
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utc="UTC"
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utc_cmd="--utc"
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else
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utc="Local Time"
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utc_cmd="--localtime"
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fi
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depend()
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{
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provide clock
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if yesno ${clock_adjfile}; then
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use root
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else
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before *
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fi
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keyword noopenvz noprefix nouml novserver noxenu
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}
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setupopts()
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{
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case "$(uname -m)" in
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s390*)
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utc="s390"
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;;
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*)
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if [ -e /proc/devices ] && \
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grep -q " cobd$" /proc/devices
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then
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utc="coLinux"
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fi
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;;
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esac
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case "${utc}" in
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UTC|Local" "Time);;
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*) unset utc_cmd;;
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esac
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}
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# hwclock doesn't always return non zero on error
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_hwclock()
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{
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local err="$(hwclock "$@" 2>&1 >/dev/null)"
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[ -z "${err}" ] && return 0
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echo "${err}" >&2
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return 1
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}
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start()
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{
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local retval=0 errstr=""
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setupopts
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if [ -z "${utc_cmd}" ]; then
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ewarn "Not setting clock for ${utc} system"
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return 0
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fi
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ebegin "Setting system clock using the hardware clock [${utc}]"
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if [ -e /proc/modules -a ! -e /dev/rtc ]; then
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modprobe -q rtc || modprobe -q genrtc
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fi
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if [ -e /etc/adjtime ] && yesno ${clock_adjfile}; then
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_hwclock --adjust ${utc_cmd}
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retval=$((${retval} + $?))
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fi
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# If setting UTC, don't bother to run hwclock when first booting
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# as that's the default
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if [ "${PREVLEVEL}" != "N" -o \
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"${utc_cmd}" != "--utc" -o \
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-n "${clock_args}" ];
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then
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_hwclock --hctosys ${utc_cmd} ${clock_args}
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retval=$((${retval} + $?))
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fi
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eend ${retval} "Failed to set the system clock"
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return 0
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}
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stop()
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{
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# Don't tweak the hardware clock on LiveCD halt.
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[ -n "${CDBOOT}" ] && return 0
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yesno ${clock_systohc} || return 0
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local retval=0 errstr=""
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setupopts
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[ -z "${utc_cmd}" ] && return 0
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ebegin "Setting hardware clock using the system clock" "[${utc}]"
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if ! yesno "${clock_adjfile}"; then
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# Some implementations don't handle adjustments
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if LC_ALL=C hwclock --help | grep -q "\-\-noadjfile"; then
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utc_cmd="${utc_cmd} --noadjfile"
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fi
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fi
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_hwclock --systohc ${utc_cmd} ${clock_args}
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retval=$?
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eend ${retval} "Failed to sync clocks"
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}
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save()
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{
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clock_systohc="yes"
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stop
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}
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show()
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{
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setupopts
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hwclock --show "${utc_cmd}" ${clock_args}
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}
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