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#!/bin/bash

# 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.

# 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/>.

# Copyright 2019 Alessandro "Locutus73" Miele

# You can download the latest version of this script from:
# https://github.com/MiSTer-devel/Scripts_MiSTer

# Version 1.0 - 2019-14-11 - First commit

if [ "${ACTION}" = "" ]; then
	ORIGINAL_SCRIPT_PATH="$(realpath "${0}")"
	UDEV_RULES_PATH="/etc/udev/rules.d/90-$(basename ${ORIGINAL_SCRIPT_PATH%.*}).rules"
	
	mount | grep "on / .*[(,]ro[,$]" -q && RO_ROOT="true"
	[ "${RO_ROOT}" == "true" ] && mount / -o remount,rw
	if [ ! -f  "${UDEV_RULES_PATH}" ]; then
		echo "SUBSYSTEM==\"hidraw\", KERNEL==\"hidraw*\", ATTRS{idVendor}==\"046d\", ATTRS{idProduct}==\"c52b\", RUN+=\"${ORIGINAL_SCRIPT_PATH}\"" > "${UDEV_RULES_PATH}"
	else
		rm "${UDEV_RULES_PATH}"
	fi
	sync
	[ "${RO_ROOT}" == "true" ] && mount / -o remount,ro

	echo "Done!"
	reboot now
else
	if [ "${ACTION}" = "add" ]&&[ "${MINOR}" = "0" ]; then
		sleep 5
	        #mount | grep "on / .*[(,]ro[,$]" -q && RO_ROOT="true"
        	#[ "${RO_ROOT}" == "true" ] && mount / -o remount,rw
		printf '\x10\x02\x0c\x10\x00\x00\x00' > "${DEVNAME}"
		#sync
	        #[ "${RO_ROOT}" == "true" ] && mount / -o remount,ro
	fi
fi

exit 0