#!/bin/bash
#
# ramdisk          Start/Stop the ramdisk.
#
# chkconfig: 2345 01 99
# description: starts and stops the RAM-disk, restoring and saving its \
#              contents.

### BEGIN INIT INFO
# Provides: ramdisk
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start:  2 3 4 5
# Default-Stop: $named
# Short-Description: starts ramdisk
# Description: starts and stops the ram-disk, restoring and saving its \
#              contents.
### END INIT INFO

. /etc/rc.d/init.d/functions

BACKUP_FILE="/var/cache/ramdisk-backup.tar"
MOUNT_POINT="/mnt/ramdisk"
LOCK_FILE="/var/lock/subsys/ramdisk"

case "$1" in
   start)
      mkdir -p $MOUNT_POINT
        action "Mounting ramdisk" mount $MOUNT_POINT
      if [ -f $BACKUP_FILE ] ; then
         cd $MOUNT_POINT
         action "Ramdisk contents restoring" tar xf $BACKUP_FILE
      fi
      touch $LOCK_FILE
      ;;
   stop)
      if mount | grep $MOUNT_POINT &>/dev/null ; then
         if [ -d $MOUNT_POINT/tmp ] ; then
            rm -rf $MOUNT_POINT/tmp/*
         fi
         rm -f $BACKUP_FILE &>/dev/null
         cd $MOUNT_POINT
         action "Ramdisk contents saving" tar cf $BACKUP_FILE .
         cd /
         action "Ramdisk unmounting" umount $MOUNT_POINT
      fi
      rm -f $LOCK_FILE
       ;;
   save)
      if mount | grep $MOUNT_POINT &>/dev/null ; then
         rm -f $BACKUP_FILE &>/dev/null
         cd $MOUNT_POINT
         action "Ramdisk contents saving" tar cf $BACKUP_FILE .
      fi
      ;;
   load)
      if mount | grep $MOUNT_POINT &>/dev/null ; then
         if [ -f $BACKUP_FILE ] ; then
            cd $MOUNT_POINT
            action "Ramdisk contents loading" tar xf $BACKUP_FILE
         fi
      fi
      ;;
   *)
      gprintf "Usage: %s {start|stop|save|load}\n" "$0"
      exit 2
esac

exit $?

none         /mnt/ramdisk      tmpfs      noauto,size=12G,nodev,lazytime,noatime   0 0

mkdir /mnt/ramdisk/$USER
cd ~/.secondlife
mv -f cache_coolvlviewer /mnt/ramdisk/$USER/
ln -s /mnt/ramdisk/$USER/cache_coolvlviewer