etc/rc.d/bootconf.sh

   1 #!/bin/sh
   2 #
   3 # $NetBSD: bootconf.sh,v 1.12 2009/09/11 18:17:43 apb Exp $
   4 #
   5
   6 # PROVIDE: bootconf
   7 # REQUIRE: mountcritlocal
   8 # KEYWORD: interactive
   9
  10 $_rc_subr_loaded . /etc/rc.subr
  11
  12 name="bootconf"
  13 start_cmd="bootconf_start"
  14 stop_cmd=":"
  15
  16 bootconf_start()
  17 {
  18                 # Refer to newbtconf(8) for more information
  19                 #
  20
  21         if [ ! -e /etc/etc.current ]; then
  22                 return 0
  23         fi
  24         if [ -h /etc/etc.default ]; then
  25                 def=$(ls -ld /etc/etc.default 2>&1)
  26                 default="${def##*-> *etc.}"
  27         else
  28                 default=current
  29         fi
  30         if [ "$default" = "current" ]; then
  31                 def=$(ls -ld /etc/etc.current 2>&1)
  32                 default="${def##*-> *etc.}"
  33         fi
  34
  35         spc=""
  36         for i in /etc/etc.*; do
  37                 name="${i##/etc/etc.}"
  38                 case $name in
  39                 current|default|\*)
  40                         continue
  41                         ;;
  42                 *)
  43                         if [ "$name" = "$default" ]; then
  44                                 echo -n "${spc}[${name}]"
  45                         else
  46                                 echo -n "${spc}${name}"
  47                         fi
  48                         spc=" "
  49                         ;;
  50                 esac
  51         done
  52         echo
  53         master=$$
  54         _DUMMY=/etc/passwd
  55         conf=${_DUMMY}
  56         while [ ! -d /etc/etc.$conf/. ]; do
  57                 trap "conf=$default; echo; echo Using default of $default" ALRM
  58                 echo -n "Which configuration [$default] ? "
  59                 (sleep 30 && kill -ALRM $master) >/dev/null 2>&1 &
  60                 read conf
  61                 trap : ALRM
  62                 if [ -z $conf ] ; then
  63                         conf=$default
  64                 fi
  65                 if [ ! -d /etc/etc.$conf/. ]; then
  66                         conf=${_DUMMY}
  67                 fi
  68         done
  69
  70         print_rc_metadata "note:Using configuration \"${conf}\""
  71
  72         case  $conf in
  73         current|default)
  74                 ;;
  75         *)
  76                 rm -f /etc/etc.current
  77                 ln -s etc.$conf /etc/etc.current
  78                 ;;
  79         esac
  80
  81         if [ -f /etc/rc.conf ] ; then
  82                 . /etc/rc.conf
  83         fi
  84 }
  85
  86 load_rc_config $name
  87 run_rc_command "$1"