Makefile

FILTERS=$(wildcard $(shell find * -type d | grep -v '[/\\]'))
FILTER_FILES=$(shell find * -name "*.lua" -type f)
LUA_FILTERS_TEST_IMAGE = pandoc/lua-filters-test

.PHONY: test show-args docker-test docker-test-image archive

test:
	sh runtests.sh $(FILTERS)

archive: .build/lua-filters.tar.gz

archives: .build/lua-filters.tar.gz .build/lua-filters.zip

show-vars:
	@printf "FILTERS: %s\n" $(FILTERS)
	@printf "FILTER_FILES: %s\n" $(FILTER_FILES)

docker-test:
	docker run \
	       --rm \
	       --volume "$(PWD):/data" \
	       --entrypoint /usr/bin/make \
	       $(LUA_FILTERS_TEST_IMAGE) FILTERS="${FILTERS}"

docker-test-image: .tools/Dockerfile
	docker build --tag $(LUA_FILTERS_TEST_IMAGE) --file $< .

# Build a single collection of Lua filters
.PHONY: collection
collection: .build/lua-filters

.PHONY: docs
docs:

.build/lua-filters: $(FILTER_FILES) docs \
		CONTRIBUTING.md LICENSE README.md
	mkdir -p $@
	mkdir -p $@/filters
	mkdir -p $@/docs
	cp -a CONTRIBUTING.md LICENSE README.md $@
	cp -a $(FILTER_FILES) $@/filters
	for filter in $(FILTERS); do \
	    cp $$filter/README.md $@/docs/$$filter.md; \
	done
	@printf "Filters collected in '%s'\n" "$@"

.build/lua-filters.tar.gz: .build/lua-filters
	tar -czf $@ -C .build lua-filters
	@printf "Archive written to '%s'\n" "$@"

.build/lua-filters.zip: .build/lua-filters
	rm -f $@
	(cd .build && zip -r -9 lua-filters.zip lua-filters)
	@printf "Archive written to '%s'\n" "$@"

clean:
	rm -rf .build
	$(foreach f,$(FILTERS),make -C $(f) clean;)