#!/bin/bash
set -e


UBOOT_MENUCONFIG=no
UBOOT_KEEPCONFIG=no
UBOOT_SAVECONFIG=no
UBOOT_MPROP=no
UBOOT_CLEAN=no


usage()
{
	echo -e "\nUsage: ./build_uboot.sh [option]  \n"
	echo -e "Available options are:"
	echo -e "\t-m|--menuconfig\t\tCall u-boot menuconfig end exit"
	echo -e "\t-k|--keepconfig\t\tBuild u-boot with current .config"
	echo -e "\t-s|--savedefconfig\tCall u-boot savedefconfig and exit"
	echo -e "\t-p|--prop\t\tCall u-boot make mproper and exit"
	echo -e "\t-c|--clean\t\tCall u-boot make clean and exit"
	echo -e "\t-h|--help\t\tPrint this help message and exit"
}


# Source the directory paths
DIR="${BASH_SOURCE%/*}"
if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
. "$DIR/project_structure"

export PATH=$TOOLCHAIN:$PATH
export CROSS_COMPILE=mipsel-buildroot-linux-uclibc-

#echo "PATH = " $PATH
#echo "CROSS_COMPILE = " $CROSS_COMPILE

cwd=$pwd


if [[ $# > 0 ]]; then
	key="$1"

	case $key in
	-m|--menuconfig)
		UBOOT_MENUCONFIG=yes
		shift # past argument
		;;
	-k|--keepconfig)
		UBOOT_KEEPCONFIG=yes
		shift # past argument
		;;
	-s|--savedefconfig)
		UBOOT_SAVEDEFCONFIG=yes
		shift # past argument
		;;
	-p|--prop)
		UBOOT_MPROP=yes
		shift
		;;
	-c|--clean)
		UBOOT_CLEAN=yes
		shift
		;;
	-h|--help)
		usage
		exit 0
		;;
	*)
		echo "Unknown option!"
		usage
		exit 0
		;;
	esac




	if [[ ${UBOOT_MENUCONFIG} = "yes" ]]; then
		# Run menuconfig tool
		cd "${UBOOT_PATH}"
		#make mrproper O=${UBOOT_PATH}/tmp
		#make menuconfig O=${UBOOT_PATH}/tmp
		make menuconfig O=${UBOOT_PATH}/tmp
		echo -e "\nThe changes will be saved to .config."
		echo -e "In order to build with these changes call 'build_uboot.sh -k'."
		echo -e "In order to save the changes in a defconfig file call 'build_uboot.sh -s'.\n"
		usage
		cd $cwd
		exit 0
	fi

	if [[ ${UBOOT_SAVEDEFCONFIG} = "yes" ]]; then
		cd ${UBOOT_PATH}
		make savedefconfig O=${UBOOT_PATH}/tmp
		echo -e "\nSaved defconfig\n"
		usage
		cd $cwd
		exit 0
	fi

	if [[ ${UBOOT_KEEPCONFIG} = "yes" ]] ; then
		cd "${UBOOT_PATH}"
		make O=${UBOOT_PATH}/tmp
		cd $cwd
		exit 0
	fi

	if [[ ${UBOOT_MPROP} = "yes" ]] ; then
		cd "${UBOOT_PATH}"
		make mrproper
		make mrproper O=${UBOOT_PATH}/tmp
		usage
		cd $cwd
		exit 0
	fi

	if [[ ${UBOOT_CLEAN} = "yes" ]] ; then
		cd "${UBOOT_PATH}"
		make clean O=${UBOOT_PATH}/tmp
		usage
		cd $cwd
		exit 0
	fi
fi

usage
exit 0