img: assets/img/raw/*
	for file in assets/img/raw/* ; do \
		basename=`basename $$file`; \
		convert assets/img/raw/$$basename -sampling-factor 4:2:0 -strip -quality 75 -interlace JPEG -colorspace RGB assets/img/$$basename ; \
	done

build: img
	rm -rf _site; exit 0
	~/.gem/ruby/2.7.0/bin/jekyll build
	tar -czf blog.tar.gz _site

serve: img
	~/.gem/ruby/2.7.0/bin/jekyll serve \
		--drafts \
		--unpublished \
		--future