A little script to help users in setting up their timezone. (Try it!)
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Garrett Wollman
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12
usr.sbin/tzsetup/Makefile
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12
usr.sbin/tzsetup/Makefile
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# $Id$
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NOPROG= tzsetup
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NOMAN=
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all depend:
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beforeinstall:
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$(INSTALL) -c -m $(BINMODE) -o $(BINOWN) -g $(BINGRP) \
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${.CURDIR}/tzsetup.sh ${DESTDIR}${BINDIR}/tzsetup
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.include <bsd.prog.mk>
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180
usr.sbin/tzsetup/tzsetup.sh
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usr.sbin/tzsetup/tzsetup.sh
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#!/bin/sh
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# $Id$
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#
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# Copyright 1994, Garrett A. Wollman. All rights reserved.
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# This script is subject to the terms and conditions listed at the
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# end.
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#
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ask() {
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while true; do
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echo -n "$1" "(${2-no default}) "
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read ans
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if [ -z "$ans" ]; then
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ans="$2"
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fi
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if [ -z "$ans" ]; then
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echo 'An empty response is not valid.'
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continue
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fi
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return 0
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done
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}
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askyn() {
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while : ; do
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ask "$1 [yn]?" $2
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case $ans in
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[Yy]*) return 0;;
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[Nn]*) return 1;;
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esac
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done
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}
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select() {
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where=$1
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while true; do
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echo "Please select a location from the following list which"
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echo "has the same legal time as your location:"
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echo ""
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ls -C /usr/share/zoneinfo/$where
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echo ""
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echo "Type \`\`exit'' to return to the main menu."
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ask "Your choice:" exit
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if [ "$ans" = "exit" ]; then return 0; fi
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city="$ans"
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if [ -r /usr/share/zoneinfo/$where/$city ]; then
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echo -n "I think the time in `echo $city | tr _ ' '` is: "
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TZ=$where/$city date
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if askyn "Is this what you wanted" y; then
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cp /usr/share/zoneinfo/$where/$city \
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/etc/localtime && echo "Timezone changed."
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return 0
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fi
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fi
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done
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}
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setadjkerntz() {
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cat << EOF
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You can configure your system to assume that the battery-backed CMOS
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clock is set to your local legal time rather than Universal or
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Greenwich time. When the system boots, the \`adjkerntz' program will
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examine your current time, reverse-apply the timezone correction, and
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then set the system's UTC time to the corrected value. This approach
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is NOT guaranteed to always work; in particular, if you reboot your
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system during the transition from or to summer time, the calculation
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is sometimes impossible, and wierd things may result.
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For this reason, we recommend that, unless you absolutely positively
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must leave your CMOS clock on local time, you set your CMOS clock to GMT.
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EOF
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if [ -f /etc/wall_cmos_clock ]; then
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curr=y
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echo "This system is currently set up for local CMOS time."
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else
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curr=n
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echo "This system is currently set up for GMT CMOS time."
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fi
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if askyn "Do you want a local CMOS clock" $curr; then
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touch /etc/wall_cmos_clock
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if [ $curr = "n" ] && askyn "Start now" y; then
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adjkerntz -i
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fi
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else
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rm -f /etc/wall_cmos_clock
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fi
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echo "Done."
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}
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mainmenu() {
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set `TZ= date`
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if askyn "Is $4, $1 $2 $3 $6 the correct current date and time" n; then
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cat << EOF
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Unless your local time is GMT, this probably means that your CMOS
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clock is on local time. In this case, the local times that you will
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be shown will be incorrect. You should either set your CMOS clock to
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GMT, or select option 98 from the main menu after selecting a
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timezone.
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EOF
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echo -n "Press return to continue ==>"
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read junk
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fi
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while true; do
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cat <<EOH
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Pick the item that best describes your location:
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1) Africa
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2) North, South, Central America (includes Greenland)
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3) Atlantic Ocean islands
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4) Asia and the Middle East
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5) Australia
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6) Europe
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7) Indian Ocean islands
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8) Pacific islands (includes Hawaii)
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98) Select CMOS time status (UTC or local)
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99) Exit this menu
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EOH
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ask 'Your choice?' 99
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case $ans in
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1) select Africa;;
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2) select America;;
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3) select Atlantic;;
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4) select Asia;;
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5) select Australia;;
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6) select Europe;;
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7) select Indian;;
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8) select Pacific;;
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9) select Etc;;
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10) select SystemV;;
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98) setadjkerntz;;
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99) return 0;;
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esac
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done
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}
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cat <<EOH
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Welcome to `sysctl -n kern.ostype` `sysctl -n kern.osrelease`!
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This program will help you select a default timezone for your users and
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for system processes.
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EOH
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echo -n 'Press return to continue ==>'
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read return
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mainmenu
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exit 0
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#
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# Copyright (c) 1994 Garrett A. Wollman. All rights reserved.
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#
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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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#
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