scripts/casper-bottom/13swap

   1 #!/bin/sh
   2
   3 PREREQ=""
   4 DESCRIPTION="Setting up swap..."
   5 FSTAB=/root/etc/fstab
   6
   7 . /scripts/casper-functions
   8
   9 prereqs()
  10 {
  11        echo "$PREREQ"
  12 }
  13
  14 case $1 in
  15 # get pre-requisites
  16 prereqs)
  17        prereqs
  18        exit 0
  19        ;;
  20 esac
  21
  22 log_begin_msg "$DESCRIPTION"
  23
  24 devices=""
  25 for device in /dev/[hs]d[a-z][0-9]*; do
  26     if ! [ -b "$device" ]; then
  27         continue
  28     fi
  29
  30     magic=$(dd if="$device" bs=4086 skip=1 count=1 2>/dev/null | dd bs=10 count=1 2>/dev/null) || continue
  31
  32     if [ "$magic" = "SWAPSPACE2" -o "$magic" = "SWAP-SPACE" ]; then
  33 #        log "Found $device"
  34         devices="$devices $device"
  35         fi
  36 done
  37
  38 for device in $devices; do
  39     cat >> $FSTAB <<EOF
  40 $device swap swap defaults 0 0
  41 EOF
  42 done
  43
  44 log_end_msg