markdown-snippets := topbar.mdwn footer.mdwn
markdown := $(filter-out $(markdown-snippets),$(wildcard *.mdwn))
hypertext = $(subst index/index,index,$(markdown:%.mdwn=%/index.html))

all: $(hypertext)
update: source all

source: .git
	git pull

%.html %/index.html: %.mdwn Makefile
	$(if $(filter-out ./,$(dir $@)),mkdir -p $(dir $@))
	pandoc -f markdown -t html -o $@ $<

clean:
	find -type f -name '*.html' -delete
	find -type d -empty -delete

MAKEFLAGS += --jobs
.NOTPARALLEL: source
.PHONY: all update source clean