Makefile


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# BENZIN Makefile

BASE_URL=https://example.com

CONVERT=pandoc --from=gfm+emoji --to=html --section-divs
PAGE_TEMPLATE=templates/page.html
OPENRING_TEMPLATE=templates/openring.html
RSS_TEMPLATE=templates/rss.xml
RSS_ITEM_TEMPLATE=templates/rss_item.xml

RSS=out/blog/index.xml

OPENRING_FOOTER=tmp/openring.html
OPENRING_ARGS=-s https://eug-vs.xyz/blog/index.xml -s https://drewdevault.com/blog/index.xml

BLOG_SOURCES=$(wildcard src/blog/*.md)
SOURCES=$(wildcard src/*.md) $(BLOG_SOURCES)

TMP_HTML=$(patsubst src/%.md, tmp/%.content.html, $(SOURCES))
HTML=$(patsubst src/%.md, out/%.html, $(SOURCES))

BLOG_XML=$(patsubst src/%.md, tmp/%.xml, $(BLOG_SOURCES))

.PHONY: clean all
.SECONDARY: $(TMP_HTML) $(BLOG_XML)

all: $(HTML) $(RSS)

out/%.html: tmp/%.content.html tmp/%.meta.title $(PAGE_TEMPLATE) $(OPENRING_FOOTER)
	@mkdir -p $(@D)
	sed "/<\/main>/e cat $< $(OPENRING_FOOTER)" $(PAGE_TEMPLATE) > $@
	sed -i \
		-e '/<head>/{' \
			-e 'a <title>' -e "r tmp/$*.meta.title" -e 'a <\/title>' \
		-e '}' $@

tmp/%.content.html: src/%.md
	@mkdir -p $(@D)
	$(CONVERT) $< > $@

tmp/%.meta.title: src/%.md
	@mkdir -p $(@D)
	sed '/^#/q' $< | sed 's/#* //' > $@

$(RSS): $(BLOG_XML) $(RSS_TEMPLATE)
	@mkdir -p $(@D)
	sed "/<\/channel>/e cat $(BLOG_XML)" $(RSS_TEMPLATE) > $@

tmp/%.xml: tmp/%.content.html tmp/%.meta.title $(RSS_ITEM_TEMPLATE)
	@mkdir -p $(@D)
	sed "/CDATA/r $<" $(RSS_ITEM_TEMPLATE) > $@
	sed -i \
		-e '/<item>/{' \
			-e 'a <title>' -e "r tmp/$*.meta.title" -e 'a <\/title>' \
			-e "a <link>$(BASE_URL)/$*.html<\/link>" \
		-e '}' $@

$(OPENRING_FOOTER): $(OPENRING_TEMPLATE)
	@mkdir -p $(@D)
	openring $(OPENRING_ARGS) < $< > $@

clean:
	rm -rf tmp out