#!/bin/bash -e

# Hooks

usage_hook()
{
	usage_oneline "shell" "setup a shell for developing"
	usage_oneline "buildroot-shell" "setup a shell for buildroot developing"
	usage_oneline "bshell" "alias of buildroot-shell"
	usage_oneline "yocto-shell" "setup a shell for yocto developing"
	usage_oneline "yshell" "alias of yocto-shell"
}

PRE_BUILD_CMDS="shell buildroot-shell bshell yocto-shell yshell"
pre_build_hook()
{
	warning "Doing this is dangerous and for developing only."
	# No error handling in develop shell.
	set +e; trap ERR

	case "${1:-shell}" in
		yocto-shell | yshell)
			YOCTO_DIR="$RK_SDK_DIR/yocto"
			if [ ! -r "$YOCTO_DIR/build/conf/rksdk_override.conf" ] ||
				[ ! -r "$YOCTO_DIR/build/conf/local.conf" ]; then
				fatal "ERROR: Please build yocto firstly!"
				exit 1
			fi

			LANG=en_US.UTF-8 LANGUAGE=en_US.en LC_ALL=en_US.UTF-8 \
				/bin/bash -c "cd $YOCTO_DIR; \
					source oe-init-build-env; \
					PS1='\u@\h:\w (yocto-$RK_CHIP)\$ ' \
					/bin/bash -norc"
			;;
		buildroot-shell | bshell)
			BUILDROOT_DIR="$RK_SDK_DIR/buildroot"
			BUILDROOT_CFG="${2:-$RK_BUILDROOT_CFG}"
			/bin/bash -c "cd $BUILDROOT_DIR; \
				source envsetup.sh ${BUILDROOT_CFG}_defconfig; \
				PS1='\u@\h:\w ($BUILDROOT_CFG)\$ ' \
				/bin/bash -norc"
			;;
		*) PS1="\u@\h:\w (rksdk)\$ " /bin/bash --norc ;;
	esac

	warning "Exit from $BASH_SOURCE ${@:-shell}."
}

source "${RK_BUILD_HELPER:-$(dirname "$(realpath "$0")")/build-helper}"

pre_build_hook $@