#!/bin/sh
#       Copyright (c) 1999 Tim Barbour. All Rights Reserved.
#       This script may be used and distributed under the terms
#       of the GNU GPL, as published by the Free Software Foundation.

# this is the cdpio CD-image dumping script, used by cdpio to dump out
# the image of $target_filesystem onto a writable cdrom and verify it

usage() {
    # -v is for verbose
    echo "usage: $0 [ -v ]" >&2
}

set -e

# source rc file (this script is part of the cdpio tool)
. /etc/cdpio.rc

# source functions (find_fs_image)
. `dirname $0`/backup_functions

while getopts v c
do
        case $c in
        v)      verbose="-v"
				shift `expr $OPTIND - 1`;;
        \?)     usage
                exit 2;;
        esac
done

image=`find_fs_image $target_filesystem`

make_unmounted $target_filesystem

if [ -n "$verbose" ]; then
   echo "writing $target_filesystem image on $image to cdrom..."
fi
$cdrecord $verbose $cdrecord_options speed=$write_speed fs=$buffer_space \
          dev=$write_device tsize=${target_filesystem_size_blocks}k $image

if [ -n "$separate_verify_device" ]; then
   ask_user_action "move CD to verify device" \
	           "Please move volume $volume_number to $verify_device, reply to this message when done"
fi	   

if [ -n "$verbose" ]; then
   echo "checking the filesystem on the new cdrom..."
fi
/sbin/e2fsck -n -f $verify_device

if [ -n "$verbose" ]; then
   echo "verifying against disk..."
fi

# with some devices, we need the size to avoid running off the end of the device
cmp -n ${target_filesystem_size_blocks}kiB $image $verify_device