SCRBL=index.rkt
PDF_SCRBL=pdf-index.rkt
HTML_SINGLE=all.html
# Since we don't know the names of the files, and they are all generated in one go,
# we just point to the main index.html file (which is not generated by other targets)
HTML_MULTI=index.html
PDF_SINGLE=all.pdf

all: publish

clean:
	rm -rf html $(PDF_SCRBL)

html: html-single html-multi
	racket add-to-head.rkt

.PHONY: html-single
html-single: html/$(HTML_SINGLE)

html/$(HTML_SINGLE): $(SCRBL)
	raco scribble \
		--html \
		--dest html \
		--dest-name $(HTML_SINGLE) \
		++style gh.css \
		++main-xref-in \
		--redirect-main http://docs.racket-lang.org/ \
		\
		$(SCRBL)

.PHONY: pdf
pdf: html/$(PDF_SINGLE)

$(PDF_SCRBL): index.rkt
	# LaTeX chokes on this, let's just remove it for now.
	sed -e 's/トランスフォーマ/@;{トランスフォーマ}/' index.rkt > $(PDF_SCRBL)

html/$(PDF_SINGLE): $(PDF_SCRBL)
	raco scribble \
		--pdf \
		--dest html \
		--dest-name $(PDF_SINGLE) \
		++style gh.tex \
		++main-xref-in \
		--redirect-main http://docs.racket-lang.org/ \
		\
		$(PDF_SCRBL)

.PHONY: html-multi
html-multi: html/$(HTML_MULTI)

html/$(HTML_MULTI): $(SCRBL)
	raco scribble \
		--htmls \
		--dest-name html \
		++style gh.css \
		++main-xref-in \
		--redirect-main http://docs.racket-lang.org/ \
		\
		$(SCRBL)

pages:
	@(git branch -v | grep -q gh-pages || (echo local gh-pages branch missing; false))
	@echo
	@git branch -av | grep gh-pages
	@echo
	@(echo 'Is the branch up to date? Press enter to continue.'; read dummy)
	git clone -b gh-pages . pages

.PHONY: publish
publish: html/$(HTML_SINGLE) html/$(PDF_SINGLE) html/$(HTML_MULTI) pages
	rm -rf pages/*
	cp -r html/. pages/.
	(cd pages; git add -A)
	-(cd pages; git commit -m "Update $$(date +%Y%m%d%H%M%S)")
	(cd pages; git push origin gh-pages)
	rm -rf pages
	git push origin gh-pages