#!/bin/bash
#===============================================================================
#
# DIRECTORY:
#   /home/*/.local/share/nautilus/scripts/06-Qemu/
# OR
#   /home/*/.gnome2/nautilus-sctipts/06-Qemu/ (deprecated)
#
# FILE:
#   05b-RPi-gui
#
# USAGE:
#   Right klick on a RAW image (.dd) and
#   choose this nautilus script from the context menu.
#
# OPTIONS:
#   none
#
# DESCRIPTION:
#   Boot up an emulated Raspberry Pi image with GUI but less RAM.
#
# REQUIREMENTS:
#   bash, zenity...
#
# 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 VERSION:
#   https://...
#
# CREATED:
#   01.12.2020
#
# 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:
#   ---
#
# 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 "${FILE_BIN}" "file"
check_dep "${GREP_BIN}" "grep"
check_dep "${GTERMINAL_BIN}" "gnome-terminal"
check_dep "${SUDO_BIN}" "sudo"
check_dep "${QEMUSYS64_BIN}" "qemu-system-x86"
check_dep "${SLEEP_BIN}" "coreutils"
check_dep "${VINAGRE_BIN}" "vinagre"

check_ext "${SOURCE}" "dd"

#-------------------------------------------------------------------------------
# Avoid unintended changes to the Image.
#-------------------------------------------------------------------------------
check_if_pwd_is_used_as_mountpoint

#-------------------------------------------------------------------------------
# Check, if source is not mounted.
#-------------------------------------------------------------------------------
check_if_source_is_not_mounted

#-------------------------------------------------------------------------------
# ...
#-------------------------------------------------------------------------------
${GTERMINAL_BIN} --execute \
  ${QEMUSYSARM_BIN} \
    -M versatilepb \
    -cpu arm1176 \
    -m 256 \
    -drive file="${SOURCE}",if=none,index=0,media=disk,format=raw,id=disk0 \
    -device virtio-blk-pci,drive=disk0,disable-modern=on,disable-legacy=off \
    -net nic \
    -net user \
    -dtb "${HOME}/RPi/versatilepb/versatile-pb-buster-5.4.51.dtb" \
    -kernel "${HOME}/RPi/versatilepb/kernel-qemu-5.4.51-buster" \
    -append 'root=/dev/vda2 panic=1' \
    -no-reboot

exit 0