include build.env
export

TAG ?= dev

define fetch_if_missing
	@if [ ! -f "$1" ]; then \
		echo "Downloading $1"; \
		curl -L -o "$1" "$2"; \
	fi
endef

ALPINE_SERIES := $(word 1,$(subst ., ,${ALPINE_VER})).$(word 2,$(subst ., ,${ALPINE_VER}))

download-packages:
	@mkdir -p packages

	$(call fetch_if_missing,packages/busybox-${BUSYBOX_VERSION}.tar.gz,https://github.com/mirror/busybox/archive/refs/tags/${BUSYBOX_VERSION}.tar.gz)

	$(call fetch_if_missing,packages/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz,https://dl-cdn.alpinelinux.org/alpine/v$(ALPINE_SERIES)/releases/${ALPINE_ARCH}/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz)

	$(call fetch_if_missing,packages/${NXP_VERSION}.tar.gz,https://github.com/nxp-qoriq/linux/archive/refs/tags/${NXP_VERSION}.tar.gz)

	$(call fetch_if_missing,packages/${CRIO_VERSION}.tar.gz,https://storage.googleapis.com/cri-o/artifacts/${CRIO_VERSION}.tar.gz)

build-base:
	docker build \
	-f docker/build-base.Dockerfile \
	--build-arg TAG=$(TAG) \
	-t $(DOCKER_IMAGE_ROOT)/build-base:$(TAG) .

kernel-build: build-base
	docker build \
	-f docker/kernel-build.Dockerfile \
		--build-arg DOCKER_IMAGE_ROOT=$(DOCKER_IMAGE_ROOT) \
		--build-arg TAG=$(TAG) \
		--build-arg ARCH=$(ARCH) \
		--build-arg CROSS_COMPILE=$(CROSS_COMPILE) \
		--build-arg NXP_VERSION=$(NXP_VERSION) \
		--build-arg DEVICE_TREE_TARGET=$(DEVICE_TREE_TARGET) \
	-t $(DOCKER_IMAGE_ROOT)/kernel-build:$(TAG) .

fit-build: kernel-build
	docker build \
	-f docker/fit-build.Dockerfile \
		--build-arg DOCKER_IMAGE_ROOT=$(DOCKER_IMAGE_ROOT) \
		--build-arg TAG=$(TAG) \
		--build-arg ARCH=$(ARCH) \
		--build-arg CROSS_COMPILE=$(CROSS_COMPILE) \
		--build-arg BUSYBOX_VERSION=$(BUSYBOX_VERSION) \
	-t $(DOCKER_IMAGE_ROOT)/fit-build:$(TAG) .

itb: fit-build
	docker build \
	-f docker/itb.Dockerfile \
		--build-arg DOCKER_IMAGE_ROOT=$(DOCKER_IMAGE_ROOT) \
		--build-arg TAG=$(TAG) \
		--build-arg ARCH=$(ARCH) \
		--build-arg DEVICE_TREE_TARGET=$(DEVICE_TREE_TARGET) \
		--output type=local,dest=./out \
	-t $(DOCKER_IMAGE_ROOT)/itb:$(TAG) .

buildenv-alpine: build-base
	docker build \
	-f docker/alpine.Dockerfile \
		--build-arg DOCKER_IMAGE_ROOT=$(DOCKER_IMAGE_ROOT) \
		--build-arg TAG=$(TAG) \
		--build-arg ALPINE_ARCH=$(ALPINE_ARCH) \
		--build-arg ALPINE_VER=$(ALPINE_VER) \
		--build-arg CRIO_VERSION=$(CRIO_VERSION) \
	-t $(DOCKER_IMAGE_ROOT)/buildenv-alpine:$(TAG) .

alpine-rootfs: buildenv-alpine kernel-build
	docker run --rm -it \
		--privileged \
		-v /cache/apk:/var/cache/apk \
		-v /cache/artifacts:/artifacts \
		-e ROOTFS=/out/rootfs \
		-e ARTIFACT_DIR=/artifacts \
		$(DOCKER_IMAGE_ROOT)/buildenv-alpine:$(TAG) \
		bash -lc '/build-rootfs.sh'