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160 lines
3.2 KiB
Text
Executable file
160 lines
3.2 KiB
Text
Executable file
#!/bin/openrc-run
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# Copyright (c) 2007-2015 The OpenRC Authors.
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# See the Authors file at the top-level directory of this distribution and
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# https://github.com/OpenRC/openrc/blob/master/AUTHORS
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#
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# This file is part of OpenRC. It is subject to the license terms in
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# the LICENSE file found in the top-level directory of this
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# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
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# This file may not be copied, modified, propagated, or distributed
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# except according to the terms contained in the LICENSE file.
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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}}
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: ${clock_args:=${CLOCK_OPTS}}
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: ${clock_systohc:=${CLOCK_SYSTOHC}}
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: ${clock:=${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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want modules
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if yesno $clock_adjfile; then
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use root
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fi
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keyword -docker -lxc -openvz -prefix -systemd-nspawn -uml -vserver -xenu
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}
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setupopts()
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{
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case "$(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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get_noadjfile()
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{
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if ! yesno $clock_adjfile; then
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# Some implementations don't handle adjustments
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if LC_ALL=C hwclock --help 2>&1 | grep -q "\-\-noadjfile"; then
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echo --noadjfile
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fi
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fi
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}
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rtc_exists()
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{
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local rtc=
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for rtc in /dev/rtc /dev/rtc[0-9]*; do
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[ -e "$rtc" ] && break
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done
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[ -e "$rtc" ]
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}
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start()
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{
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local retval=0 errstr="" modname
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setupopts
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if [ -z "$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 ]; then
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if ! rtc_exists; then
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for x in rtc-cmos rtc genrtc; do
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modprobe -q $x && rtc_exists && modname="$x" && break
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done
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[ -n "$modname" ] &&
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ewarn "The $modname module needs to be configured in" \
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"/etc/conf.d/modules or built in."
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fi
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fi
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# Always set the kernel's time zone.
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_hwclock --systz $utc_cmd $(get_noadjfile) $clock_args
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: $(( retval += $? ))
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if [ -e /etc/adjtime ] && yesno $clock_adjfile; then
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_hwclock --adjust $utc_cmd $(get_noadjfile)
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: $(( retval += $? ))
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fi
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if yesno ${clock_hctosys:-YES}; then
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_hwclock --hctosys $utc_cmd $(get_noadjfile) $clock_args
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: $(( 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 ${clock_systohc:-YES} || return 0
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local retval=0 errstr=""
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setupopts
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[ -z "$utc_cmd" ] && return 0
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ebegin "Setting hardware clock using the system clock" "[$utc]"
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_hwclock --systohc $utc_cmd $(get_noadjfile) $clock_args
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retval=$?
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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" $(get_noadjfile) $clock_args
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}
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