#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

green='\e[0;32m'
red='\e[0;31m'
eol='\e[0m'

function print_usage(){
	echo -e "${green}Script for auto test all config on/off/mod \
to ensure kernel build${eol}"
	echo ""
	echo -e "${red}Command for local test kernel build:${eol}"
	echo "[kernel_dir] [arch] [defconfig] mode=t\
./scripts/bvt/mediatek_bvt.sh"
	echo ""
	echo -e "${green}Description:${eol}"
	echo "[kernel_dir]: kernel directory position"
	echo "[arch]: arm/arm64, position of defconfig"
	echo "[defconfig]: mediatek_debug_defconfig for all config on test"
	echo "             mediatek_config_off_defconfig \
for all config off test"
	echo "             mediatek_module_defconfig for all\
config module test"
	echo ""
	echo -e "${green}Example:${eol} ${red}kernel_dir=\$(pwd) arch=arm64 \
defconfig=mediatek_debug_defconfig mode=t \
./scripts/bvt/mediatek_bvt.sh${eol}"
	echo ""
	echo -e "${red}Command for add and check config list:${eol}"
	echo "[commit] [kernel_dir] mode=a ./scripts/bvt/mediatek_bvt.sh"
	echo ""
	echo -e "${green}Description:${eol}"
	echo "[kernel_dir]: kernel directory position"
	echo ""
	echo -e "${green}Example:${eol} ${red}kernel_dir=\$(pwd) \
 mode=a ./scripts/bvt/mediatek_bvt.sh${eol}"
}

if [[ "$1" == "h" ]] || [[ "$1" == "help" ]] || [ -z "mode" ]
then
	print_usage
fi

if [ "$mode" == "a" ]
then
	IFS="+"
	if [ -z "$commit" ]
	then
		bypass=$(git log --name-only -1 | grep mediatek_bvt.sh)
                log_cached=$(git show -p | grep "+CONFIG_" \
			| grep "=y" | sed '/^$/d' | sed 's/y//g' \
			| sed 's/\+//g' | tr '\n' '+')
		log_noncached=$(git diff | grep "+CONFIG_" \
                        | grep "=y" | sed '/^$/d' | sed 's/y//g' \
			| sed 's/\+//g' | tr '\n' '+')
		if [ -z "$bypass" ]
		then
			for conf in ${log_cached[@]}; do
				result=\
$(grep $conf $kernel_dir/scripts/bvt/config_list )
				if [ -z "$result" ]
				then
					echo ""$conf"y" >> \
				$kernel_dir/scripts/bvt/config_list
				fi
			done
		fi
		for conf in ${log_noncached[@]}; do
			result=\
$(grep $conf $kernel_dir/scripts/bvt/config_list )
			if [ -z "$result" ]
			then
				echo ""$conf"y" >> \
				$kernel_dir/scripts/bvt/config_list
			fi
		done
		sort $kernel_dir/scripts/bvt/config_list \
			-o $kernel_dir/scripts/bvt/config_list
		check_return=$(git status | grep config_list)
		if  [ "$check_return" == "" ]
		then
			exit 0
		fi
		exit -1
	else
		new_con=$(git log "$commit"..HEAD -p | grep "+CONFIG_" \
			| grep "=y" | sed '/^$/d' | sed 's/y//g' \
			| sed 's/\+//g' | tr '\n' '+')
		for conf in ${new_con[@]}; do
			result=\
$(grep $conf $kernel_dir/scripts/bvt/config_list )
			if [ -z "$result" ]
			then
				echo ""$conf"y" >> \
				$kernel_dir/scripts/bvt/config_list
			fi
		done
		sort $kernel_dir/scripts/bvt/config_list \
			-o $kernel_dir/scripts/bvt/config_list
	fi
fi

opt=""
if [[ "$defconfig" == mediatek_config_on* ]]
then
	opt="-e"
fi
if [[ "$defconfig" == mediatek_config_off* ]]
then
	opt="-d"
fi
if [[ "$defconfig" == mediatek_module* ]]
then
	opt="-m"
fi

if [ -z "$arch" ]
then
	arch=arm64

	def_arch=$(echo $defconfig | tail -c 13)
	echo $def_arch
	if [[ "$def_arch" == "32_defconfig" ]]
	then
		arch=arm
	fi
fi

if [ "$mode" == "t" ]
then
	if [[ "$defconfig" != "mediatek_debug_defconfig" ]] && \
		[[ "$arch" == "arm64" ]]
	then
		if [ ! -f "$kernel_dir/arch/$arch/configs/$defconfig" ]
		then
		cp $kernel_dir/arch/$arch/configs/mediatek_debug_defconfig \
			$kernel_dir/arch/$arch/configs/$defconfig
		fi
	fi
	if [[ "$defconfig" != "mediatek_debug_32_defconfig" ]] && \
		[[ "$arch" == "arm" ]]
	then
		if [ ! -f "$kernel_dir/arch/$arch/configs/$defconfig" ]
		then
		cp $kernel_dir/arch/$arch/configs/mediatek_debug_32_defconfig \
			$kernel_dir/arch/$arch/configs/$defconfig
		fi
	fi
	exec < $kernel_dir/scripts/bvt/config_list

	IFS="="
	while read config test
	do
		echo $config $test $opt $arch
		if [[ "$test" == "y" ]] && [[ -n "$opt" ]]
		then
			sh $kernel_dir/scripts/config --file \
			$kernel_dir/arch/$arch/configs/$defconfig \
			$opt $config
		fi
	done
fi