VERSION := $(shell git tag --points-at HEAD)
GIT_REF := $(shell git log -1 --format=%H)
GIT_AUTHOR := $(shell git log -1 --format=%an)
GIT_KEY := $(shell git log -1 --format=%GP)
GIT_TIMESTAMP := $(shell git log -1 --format=%cd --date=iso)

.DEFAULT_GOAL :=
.PHONY: default
default: \
	out/airgap.iso

.PHONY: vm
vm: vm-bios

.PHONY: vm-bios
vm-bios: out/airgap.iso
	qemu-system-x86_64 \
		-m 4G \
		-machine pc \
		-serial stdio \
		-usb \
		-device sdhci-pci \
		-device sd-card,drive=external \
		-usbdevice tablet \
		-drive id=external,if=none,format=raw,file=out/sdcard.img \
		-display gtk,show-menubar=off,zoom-to-fit=on \
		-cdrom "out/airgap.iso"

.PHONY: vm-efi
vm-efi: out/airgap.iso
	qemu-system-x86_64 \
		-m 4G \
		-machine pc \
		-serial stdio \
		-bios /usr/share/ovmf/OVMF.fd \
		-usb \
		-device sdhci-pci \
		-device sd-card,drive=external \
		-usbdevice tablet \
		-drive id=external,if=none,format=raw,file=out/sdcard.img \
		-display gtk,show-menubar=off,zoom-to-fit=on \
		-cdrom "out/airgap.iso"

out/airgap.iso: Containerfile $(shell git ls-files rootfs)
	docker build \
		--progress=plain \
		--output type=local,dest=out \
		--build-arg VERSION="$(or $(VERSION),"development")" \
		--build-arg GIT_REF="$(GIT_REF)" \
		--build-arg GIT_AUTHOR="$(GIT_AUTHOR)" \
		--build-arg GIT_KEY="$(GIT_KEY)" \
		--build-arg GIT_TIMESTAMP="$(GIT_TIMESTAMP)" \
		-f Containerfile \
		.