.PHONY: image f4pga buildroot litex clone help
ADDED_FILES=f4pga/scripts/prepare_environment.sh litex/litex_setup.py buildroot.tar.gz

help:
	@echo 'make image: build docker image'
	@echo 'make open: open docker image'
	@echo 'make clone: clone repositories'

image: ${ADDED_FILES}
	docker build -t "upsilon-buildenv" .

## Download external projects
clone: f4pga buildroot litex

f4pga:
	if [ ! -d 'f4pga' ]; then \
		git clone https://github.com/chipsalliance/f4pga; \
	fi
	cd f4pga && git checkout main && git pull && \
		git checkout -B upsilon_stable 835a40534f9efd70770d74f56f25fef6cfc6ebc6

buildroot:
	if [ ! -d 'buildroot' ]; then \
		git clone https://git.buildroot.org/buildroot; \
	fi
	cd buildroot && git checkout master && git pull && \
		git checkout -B upsilon_stable 2023.02.1
	tar -czvf buildroot.tar.gz buildroot/

litex:
	if [ ! -d 'litex' ]; then \
		git clone https://github.com/enjoy-digital/litex; \
	fi
	cd litex && git checkout master && git pull && \
		git checkout -B upsilon_stable c6ccb626e88168045edacced3743f6bd98746742