#!/bin/bash
#===============================================================================
#
# DIRECTORY:
#   /home/*/.local/share/nautilus/scripts/02_dd/
# OR
#   /home/*/.gnome2/nautilus-sctipts/02_dd/ (deprecated)
#
# FILE:
#   01-xmount
#
# USAGE:
#   Right klick on a RAW image (.dd) and
#   choose this nautilus script from the context menu.
#
# OPTIONS:
#   none
#
# DESCRIPTION:
#   Mount EAW image as RAW, VDI oder VMDK image with read/write support.
#
# REQUIREMENTS:
#   bash, zenity, coreutils, awk, grep, bc, libglib2.0-bin and xmount
#
# BUGS:
#   ---
#
# NOTES:
#   Tested on
#   - Debian 8
#   - Arch Linux
#
# AUTHOR:
#   Patrick Neumann, patrick@neumannsland.de
#
# COMPANY:
#   (privately)
#
# VERSION:
#   0.9 (beta)
#
# LINK TO THE MOST CURRENT VERSIONS:
#   ...
#
# CREATED:
#   17.03.2016
#
# COPYRIGHT (C):
#   2015-2020 - Patrick Neumann
#
# LICENSE:
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
# WARRANTY:
#   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.
#
#   You should have received a copy of the GNU General Public License
#   along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# TODO:
#   - ask to overwrite cache?
#   - readonly support?
#
# HISTORY:
#   0.9 - Patrick Neumann - Initial (public) release
#
#===============================================================================

#-------------------------------------------------------------------------------
# Additional supported Distribution(s) (add before Library!).
#-------------------------------------------------------------------------------
SUPPORTED_OSR="arch"

#-------------------------------------------------------------------------------
# Check for library (casualscripter_nautilus-scripts_functions.sh).
#-------------------------------------------------------------------------------
readonly LIBRARY="${0%/*/*}/.casualscripter_nautilus-scripts_functions.sh"
if [ ! -f "${LIBRARY}" ] ; then
  ${ZENITY_BIN} --error \
                --text \
                "ERROR: casualscripter_nautilus-scripts_functions.sh MISSING!"
  exit 1
fi

source "${LIBRARY}"

#-------------------------------------------------------------------------------
# Checks (see library "casualscripter_nautilus-scripts_functions.sh").
#-------------------------------------------------------------------------------
check_dep "${XMOUNT_BIN}" "xmount"
check_dep "${MKDIR_BIN}" "coreutils"

check_xmount_version

check_user_allow_other

check_ext "${SOURCE}" "dd|DD|raw|RAW|img|IMG"

#-------------------------------------------------------------------------------
# Only "real" RAW images are wanted!
#-------------------------------------------------------------------------------
check_if_pwd_is_not_used_as_mountpoint

#-------------------------------------------------------------------------------
# Disable automount in gnome.
#-------------------------------------------------------------------------------
disable_gnome_automount

#-------------------------------------------------------------------------------
# Disable tracker (may interfere with later umount).
#-------------------------------------------------------------------------------
kill_all_tracker_processes

#-------------------------------------------------------------------------------
# Ask user for output image format.
#-------------------------------------------------------------------------------
readonly OUTPUT_IMAGE_FORMAT="$( xmount_out_format )"

#-------------------------------------------------------------------------------
# ... mountpoint...
#-------------------------------------------------------------------------------
readonly XMOUNTPOINT="${DIRNAME}/${OUTPUT_IMAGE_FORMAT}"

if [ ! -d "${XMOUNTPOINT}" ] ; then
  ${MKDIR_BIN} "${XMOUNTPOINT}"
fi

#-------------------------------------------------------------------------------
# xmount EWF with read and write support (cache).
#-------------------------------------------------------------------------------
if ${XMOUNT_BIN} --in raw "${SOURCE%??}"?? \
                 --out "${OUTPUT_IMAGE_FORMAT}" \
                 --cache xmount.cache \
                 "${XMOUNTPOINT}" \
                 > /dev/null 2>&1 ; then
  success "RAW image was mounted as ${OUTPUT_IMAGE_FORMAT^^} image"
else
  error_exit "mounting RAW image as ${OUTPUT_IMAGE_FORMAT^^} image failed"
fi

exit 0