#!/bin/sh
# Copyright (C) 2005 Krzysztof Kozlowski
#   License: GNU General Public License version 2
#            http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# version 2 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
#
# Homepage: http://www.kozik.net.pl
#
# Ostatnia zmiana: 30.03.2006
#
# Umount cloop device
#
#

usage () {
  echo "Usage: $(basename $0) mount_point"
  exit 127
}

if [ $# -ne 1 ]; then
  usage
fi
      

CLOOP_DEV=`mount | grep $1 | cut -f 1 -d ' '`
if [ "$CLOOP_DEV" != "" ]; then
  echo "Detaching cloop device: $CLOOP_DEV"
  umount "$1"
  if [ $? -eq 0 ]; then
    losetup -d $CLOOP_DEV
    exit $?
  else
    echo "Could not umount \"$1\"! Left device $CLOOP_DEV still attached."
    exit 1
  fi
else
  echo "Could not find associated cloop device with mountpoint \"$1\"!"
  exit 2
fi