#!/bin/bash
#note  实现卡下系统安装脚本
#warn  该脚本仅在系统安装使用进行使用

#验证安装是否正常，若是失败，退出
function check_return(){
	if [ $? -ne 0 ]; then
		exit 1;
	fi
}

function dirCheck(){
	driverDir=$1
	imageDir=$2

	while ((1))
	do
		isImageDir="null"
		sleep 1
		if [ -d ${imageDir} ];then
			sleep 5;
			if [ -d ${imageDir} ];then
				isImageDir=`ls -dn $imageDir | grep "drw" | awk '{print $1}'`
				check_return
				sudo mkdir -p ${imageDir}/linkdata/ps3stor
			fi
		fi
		if [ ${isImageDir} != "null" ]&&[ ! -f ${imageDir}/linkdata/ps3stor/ps3stor.ko ];then
			echo "The image dir has been built!"
			sudo cp ${driverDir}/ps3stor.ko ${imageDir}/linkdata/ps3stor/
			check_return
			echo "mv ps3stor.ko finisded"
		fi
	done
}

#step1 基础变量赋值
echo "The deb script is running!"
kernel=`uname -r`
driverSourDir=`pwd`
driverDesDir="/usr/lib/modules/${kernel}/kernel/drivers/scsi"
imageDir="/target/lib/modules/${kernel}/kernel/drivers/scsi"

#step2 安装基本驱动程序
if [ ! -e ${driverSourDir}/ps3stor.ko ]; then
	echo "The ps3stor.ko needs to be in the current dirctory!"
	exit 1;
fi

isload=`lsmod | grep -wm1 ps3stor | cut -d " " -f 1`
if [ ! ${isload} ]; then
	sudo cp -rf ${driverSourDir}/ps3stor.ko ${driverDesDir}/ps3stor.ko
	check_return
	sudo modprobe scsi_transport_sas
	check_return
	echo "Finish scsi_transport_sas.ko install!"
	sudo insmod ${driverDesDir}/ps3stor.ko
	check_return
	echo "Finsih ps3stor.ko install!"
else
	echo "No need to insmod ps3stor.ko"
fi

#step3 判断安装目录是否存在，存在的话进行文件拷贝
dirCheck ${driverSourDir} ${imageDir} &