#!/bin/bash
# Tests whether the hibernation file on the specified FAT filesystem is inactive
# or currently contains a hibernated Windows system
#
# Based on guesswork about hiberfil.sys format: may not work correctly!
#
# Seb Wills 2005
# Improvements to saw27@mrao.cam.ac.uk
# Prints message and exits with status 0 if inactive, 1 if active, 2 if error.

mountpoint=/mnt/c
device=/dev/hda1

if ! ( mountpoint -q $mountpoint ) ; then
  # not mounted already
 if ! ( mount -t vfat -o ro $device $mountpoint ) ; then
   echo "Failed to mount $mountpoint readonly";
   exit 2;
 fi
 we_mounted=1;
fi
  
if ( head -c 4 $mountpoint/hiberfil.sys | grep -q hibr ) ; then
    echo "Windows is hibernating!";
    result=1;
else
    echo "Hibernation file is inactive";
    result=0;
fi

if [ $we_mounted ]; then
   umount $mountpoint
fi

exit $result;