#!/bin/sh
### BEGIN INIT INFO
# Provides:          emmc-installer 
# Required-Start:
# Required-Stop:
# Should-Start:      
# Should-stop:
# Default-Start:     5 
# Default-Stop:
# Short-Description: Process /etc/init.d/emmc-installer
# Description:       Install an O/S onto the eMMC 
### END INIT INFO

[ -f /etc/default/emmc-installer ] && . /etc/default/emmc-installer

if [ -z "${SRCDIR}" ]; then
	if [ -z "${DEFAULT_SRCDIR}" ]; then
		echo "SRCDIR environment variable not set"
		exit 1
	fi

	SRCDIR="${DEFAULT_SRCDIR}"
fi

if [ -z "${PART_SCRIPT}" ]; then
	if [ -z "${DEFAULT_PART_SCRIPT}" ]; then
		echo "PART_SCRIPT environment variable not set"
		exit 1
	fi

	PART_SCRIPT="${DEFAULT_PART_SCRIPT}"
fi

if [ ! -d "${SRCDIR}" ]; then
	echo "Missing emmc installer source directory"
	exit 1
fi

if [ ! -x "${PART_SCRIPT}" ]; then
	echo "Partitioning script not found: ${PART_SCRIPT}"
	exit 1
fi

if [ ! -x /usr/bin/emmc_install_wrapper.sh ]; then
	echo "System is missing /usr/bin/emmc_install_wrapper.sh script"
	exit 1
fi

cd ${SRCDIR}

ROOTFS=`ls *-beaglebone.tar.xz 2>/dev/null`

if [ -z "${ROOTFS}" ]; then
	echo "Failed to find a rootfs image";
	exit 1
fi

if [ -x /usr/bin/cylon.sh ]; then
	/usr/bin/cylon.sh &
fi

export SRCDIR
export PART_SCRIPT
emmc_install_wrapper.sh ${ROOTFS} ${HOSTNAME} 

if [ $? -ne 0 ]; then
	killall cylon.sh
	exit 1
fi

killall cylon.sh

exit 0