# use sudo (non interactively) when running as regular user
ifneq ($(shell id -u),0)
AS_ROOT := sudo -n
endif

CTR := podman

CTR_IMG_TAG := avans-linux

CTRIZE := $(CTR) run
CTRIZE += --rm
CTRIZE += --tty
CTRIZE += --volume /tmp:/tmp:rw
CTRIZE += --volume .:/workdir:rw
CTRIZE += --env-file ./env
CTRIZE += --env MAKE*
CTRIZE += $(CTR_IMG_TAG)
export

# create dummy files to represent non-file targets (container image build
# status, sd card partition status, git submodule initialization, etc.)
$(eval $(shell state/gen))

# read environment variables from ./env
include ./env
export

.PHONY: FORCE

all: FORCE load_boot load_rootfs

include state.mk
include base.mk
include software.mk

build_kernel: FORCE $(KERNEL_FILES)
build_bootloader: FORCE $(BOOTLOADER_FILES)
build_software: FORCE $(SOFTWARE_FILES)

load_boot: FORCE $(FILES_PART_BOOT) state/sdcard_fmt
	mkdir -p mnt/boot
	$(AS_ROOT) mount $(SDCARD_PART_BOOT) mnt/boot
	$(AS_ROOT) cp $(FILES_PART_BOOT) mnt/boot
	$(AS_ROOT) sync
	$(AS_ROOT) umount mnt/boot

load_rootfs: FORCE $(FILES_PART_ROOTFS) state/sdcard_fmt
	mkdir -p mnt/rootfs
	$(AS_ROOT) mount $(SDCARD_PART_ROOTFS) mnt/rootfs
	$(AS_ROOT) util/mkrootfs mnt/rootfs
	$(AS_ROOT) sync
	$(AS_ROOT) umount mnt/rootfs

status: FORCE
	@echo 'ENVIRONMENT'
	@state/gen | grep ':=' | sed -e 's/^\$$(eval /  /' -e 's/)$$//'
	@echo 'TARGETS'
	@ls state | awk '$$0 == "gen" { next } { print }' | sed 's/^/  /'

__software_files: FORCE
	@echo $(SOFTWARE_FILES) | tr ' ' '\n'