144 lines
4.0 KiB
Plaintext
Executable File
144 lines
4.0 KiB
Plaintext
Executable File
#!/sbin/runscript
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# Copyright 1999-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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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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depend() {
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if [ "${CLOCK_ADJFILE}" = "yes" ]; then
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use checkroot
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else
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before *
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fi
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}
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setupopts() {
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utc=
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case "${RC_SYS}" in
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UML|VPS|XEN)
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TBLURB="${RC_SYS}"
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;;
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*)
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case "$(uname -m)" in
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s390*)
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TBLURB="s390"
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;;
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*)
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if [ -e /proc/devices ] && grep -q " cobd$" /proc/devices ; then
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TBLURB="coLinux"
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elif [ "${CLOCK}" = "UTC" ] ; then
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utc="--utc"
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TBLURB="UTC"
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else
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utc="--localtime"
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TBLURB="Local Time"
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fi
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;;
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esac
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;;
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esac
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[ -n "${utc}" ] || return 0
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# Make sure user isn't using rc.conf anymore.
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if [ -e /etc/rc.conf ] && \
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[ -n "$(unset CLOCK; . /etc/rc.conf; echo "${CLOCK}")" ] ; then
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ewarn "CLOCK should not be set in /etc/rc.conf but in /etc/conf.d/clock"
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fi
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}
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start() {
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local utc= TBLURB= errstr="" retval=0
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setupopts
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ebegin "Setting system clock using the hardware clock [${TBLURB}]"
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if [ -n "${utc}" ]; then
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if [ -e /proc/modules -a ! -e /dev/rtc ] ; then
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modprobe -q rtc || modprobe -q genrtc
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fi
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# Since hwclock always exit's with a 0, need to check its output.
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if [ -e /etc/adjtime -a "${CLOCK_ADJFILE}" = "yes" ]; then
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errstr="$(hwclock --adjust ${utc} 2>&1 >/dev/null)"
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fi
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# If setting UTC, don't bother to run hwclock when first booting
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# as that's the default
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if [ "${PREVLEVEL}" != "N" -o "${utc}" != "--utc" -o -n "${CLOCK_OPTS}" ]; then
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errstr="${errstr}$(hwclock --hctosys ${utc} ${CLOCK_OPTS} 2>&1 >/dev/null)"
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fi
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fi
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if [ -n "${errstr}" ]; then
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ewarn "${errstr}"
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retval=1
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fi
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errstr="Failed to set clock"
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eend ${retval} "${errstr}" "You will need to set the clock yourself"
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return 0
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}
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stop() {
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# Don't tweak the hardware clock on LiveCD halt.
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[ -n "${CDBOOT}" -o "${CLOCK_SYSTOHC}" != "yes" ] && return 0
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local utc= TBLURB= errstr="" retval=0
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setupopts
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ebegin "Setting hardware clock using the system clock" "[${TBLURB}]"
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if [ -n "${utc}" ]; then
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if [ "${CLOCK_ADJFILE}" != "yes" ]; then
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# Some implementations don't handle adjustments
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if LC_ALL=C hwclock --help | grep -q "\-\-noadjfile"; then
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utc="${utc} --noadjfile"
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fi
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fi
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errstr="$(LC_ALL=C hwclock --systohc ${utc} ${CLOCK_OPTS} 2>&1 >/dev/null)"
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fi
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if [ -n "${errstr}" ] ; then
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ewarn "${errstr}"
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retval=1
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fi
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errstr="Failed to sync clocks"
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eend ${retval} "${errstr}"
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}
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save() {
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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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local utc= TBLURB=
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setupopts
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/sbin/hwclock --show "${utc}" ${CLOCK_OPTS}
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}
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# vim: set ts=4 :
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