timezone.init

   1 #!/bin/sh
   2 #
   3 # timezone      Set time zone information.
   4 # chkconfig:    2345 10 90
   5 # description:  This script is setting time zone information for your machine.
   6 #
   7
   8 [ -f /etc/sysconfig/timezone ] || exit 0
   9
  10 # Source function library.
  11 . /etc/rc.d/init.d/functions
  12
  13 upstart_controlled --except status disable
  14
  15 . /etc/sysconfig/timezone
  16
  17 ZONE_FILE="$ZONE_INFO_DIR"
  18
  19 if [ -n "$ZONE_INFO_SCHEME" -a "$ZONE_INFO_SCHEME" != "posix" ]; then
  20         ZONE_FILE="$ZONE_FILE/$ZONE_INFO_SCHEME"
  21 fi
  22
  23 ZONE_FILE="$ZONE_FILE/$TIMEZONE"
  24
  25 [ -L /etc/localtime ] && [ "$(resolvesymlink /etc/localtime)" = "$ZONE_FILE" ] && exit 0
  26
  27 start() {
  28         if [ -f /var/lock/subsys/timezone ]; then
  29                 msg_already_running timezone
  30                 return
  31         fi
  32
  33         if [ -f "$ZONE_FILE" ]; then
  34                 rm -f /etc/localtime
  35
  36                 MESSAGE=$(nls 'Setting time zone information (%s)' "$TIMEZONE")
  37
  38                 if [ -n "$(awk '$2 == "/usr" { print $2 }' /proc/mounts 2> /dev/null)" ]; then
  39                         run_cmd "$MESSAGE" cp -af "$ZONE_FILE" /etc/localtime
  40                 else
  41                         run_cmd "$MESSAGE" ln -sf "$ZONE_FILE" /etc/localtime
  42                 fi
  43                 RETVAL=$?
  44                 restorecon /etc/localtime >/dev/null 2>&1
  45         else
  46                 show "Missing %s file" "$ZONE_FILE"
  47                 fail
  48                 RETVAL=2
  49         fi
  50
  51         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/timezone
  52 }
  53
  54 stop() {
  55         rm -f /var/lock/subsys/timezone >/dev/null 2>&1
  56 }
  57
  58 disable() {
  59         run_cmd "Unsetting time zone information" rm -f /etc/localtime
  60 }
  61
  62 # return true if FILE1 and FILE2 are identical
  63 identical() {
  64         local crc1 crc2
  65         test -f "$1" || return 1
  66         test -f "$2" || return 1
  67         crc1=$(cksum "$1" | awk '{print $1}')
  68         crc2=$(cksum "$2" | awk '{print $1}')
  69         [ "$crc1" = "$crc2" ]
  70 }
  71
  72 RETVAL=0
  73 # See how we were called.
  74 case "$1" in
  75   start)
  76         start
  77         ;;
  78   stop)
  79         stop
  80         ;;
  81   restart|try-restart|reload|force-reload)
  82         stop
  83         start
  84         ;;
  85   disable)
  86         disable
  87         ;;
  88   status)
  89         nls 'Timezone is configured to %s' "$TIMEZONE"
  90         if [ ! -f "$ZONE_FILE" ]; then
  91                 nls "Missing %s file" "$ZONE_FILE"
  92                 exit 1
  93         elif ! identical "$ZONE_FILE" /etc/localtime; then
  94                 nls 'Current time zone differs from %s' "$TIMEZONE"
  95                 exit 1
  96         fi
  97         ;;
  98   *)
  99         msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|disable|status}"
 100         exit 3
 101 esac
 102
 103 exit $RETVAL