sbin/reboot/nextboot.sh

   1 #! /bin/sh
   2 #
   3 # Copyright 2002. Gordon Tetlow.
   4 # gordon@FreeBSD.org
   5 #
   6 # $FreeBSD$
   7
   8 delete="NO"
   9 force="NO"
  10 nextboot_file="/boot/nextboot.conf"
  11
  12 display_usage() {
  13         echo "Usage: nextboot [-f] [-o options] -k kernel"
  14         echo "       nextboot -D"
  15 }
  16
  17 while getopts "Dfk:o:" argument ; do
  18         case "${argument}" in
  19         D)
  20                 delete="YES"
  21                 ;;
  22         f)
  23                 force="YES"
  24                 ;;
  25         k)
  26                 kernel="${OPTARG}"
  27                 ;;
  28         o)
  29                 kernel_options="${OPTARG}"
  30                 ;;
  31         *)
  32                 display_usage
  33                 exit 1
  34                 ;;
  35         esac
  36 done
  37
  38 if [ ${delete} = "YES" ]; then
  39         rm -f ${nextboot_file}
  40         exit 0
  41 fi
  42
  43 if [ "xxx${kernel}" = "xxx" ]; then
  44         display_usage
  45         exit 1
  46 fi
  47
  48 if [ ${force} = "NO" -a ! -d /boot/${kernel} ]; then
  49         echo "Error: /boot/${kernel} doesn't exist. Use -f to override."
  50         exit 1
  51 fi
  52
  53 cat > ${nextboot_file} << EOF
  54 nextboot_enable="YES"
  55 kernel="${kernel}"
  56 kernel_options="${kernel_options}"
  57 EOF