#!/bin/bash
set -e

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

export PATH=$PATH:$TOOLCHAIN

CLEAN_ALL=no
CLEAN_TARGET=no
CLEAN_DIST=no
CLEAN_CONFIG=no

usage()
{
	echo -e "\nUsage: ./clean_buildroot.sh [option]"
	echo -e "\tChoose one of the following options."
	echo -e "\t-a|--all             Clean all the built objects"
	echo -e "\t-d|--dist            Clean all the built objects and all disributives"
	echo -e "\t-c|--config          Clean current config"
	echo -e "\t-t|--target          Clean the target rootfs"
	echo -e "\t-h|--help            Print this help message and exit"
}

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

	case $key in
	-a|--all)
		CLEAN_ALL=yes
		shift
		;;
	-d|--dist)
		CLEAN_ALL=yes
		CLEAN_DIST=yes
		shift
		;;
	-c|--config)
		CLEAN_CONFIG=yes
		shift
		;;
	-t|--target)
		CLEAN_TARGET=yes
		shift
		;;
	-h|--help)
		usage
		exit 0
		;;
	*)
		echo "Unknown option!"
		usage
		exit 0
		;;
	esac
else
	usage
	exit 0
fi



# Check for spaces in the path
case "${BUILDROOT_ROOT}" in
	*\ * )
		echo -e "\n\nBuildroot does not support having spaces in its path!\n"
		echo -e "${BUILDROOT_ROOT}\n"
		exit 0
		;;
esac

cd "${BUILDROOT_ROOT}" || echo -e "\nCould not change to ${BUILDROOT_ROOT}!"


if [[ "${CLEAN_CONFIG}" = yes ]]; then
	#Clean the current config
	if [[ -f "${TOOLS_BUILD}/.config" ]]; then
		(set -x; rm "${TOOLS_BUILD}/.config")
	fi
fi

if [[ "${CLEAN_TARGET}" = "yes" ]]; then
	# Clean the rootfs
	rm -rf "$TOOLS_BUILD/target"
	rm -rf "$MCLINUX_PATH/linux/target"
fi

if [[ -z `echo $MCLINUX_ROOT` ]]; then export MCLINUX_ROOT="$MCLINUX_PATH"; fi 

if [[ "${CLEAN_ALL}" = "yes" ]]; then
	make clean -C $BUILDROOT_ROOT O=$TOOLS_BUILD
fi

if [[ "${CLEAN_DIST}" = "yes" ]]; then
	make distclean -C $BUILDROOT_ROOT O=$TOOLS_BUILD
fi