PROJECT = {{name}}
VERSION = 0.1

DESTDIR ?=

define localdep =
$(shell erl -noshell -eval "case application:ensure_all_started($1) of {ok, _} -> halt(0); _ -> halt(1) end." && echo ok || true)
endef

ALL_DEPS = cowboy_swagger
$(foreach dep,$(ALL_DEPS),$(if $(call localdep,$(dep)),$(eval LOCAL_DEPS+=$(dep)),$(eval DEPS+=$(dep))))

dep_cowboy_swagger = git https://github.com/jeanparpaillon/cowboy-swagger.git cowboy2

VSN = $(shell $(CURDIR)/version.sh $(VERSION))
ARCHIVE = $(PROJECT)-$(VSN).tar.xz

prefix ?= /usr/local
bindir ?= $(prefix)/bin

subst = sed -e 's|@VSN[@]|$(VSN)|g'

SUBDIRS = priv
RECURSIVES = all deps clean distclean

define recursive
$(1)-recursive:
	for d in $(SUBDIRS); do \
	  $(MAKE) -C $$$$d $(1); \
	done
endef

include erlang.mk

$(foreach rule,$(RECURSIVES),$(eval $(call recursive,$(rule))))

app:: all-recursive

deps:: deps-recursive

distclean:: distclean-recursive

$(PROJECT).d:: src/$(PROJECT).app.src

src/$(PROJECT).app.src:: src/$(PROJECT).app.src.in
	$(gen_verbose) $(subst) $< > $@

dist: $(PROJECT)-$(VSN).tar.xz

$(PROJECT)_$(VSN).orig.tar.xz: $(PROJECT)-$(VSN).tar.xz
	ln -s $< $@

$(PROJECT)-$(VSN).tar.xz:
	-rm -f src/$(PROJECT).app.src
	@$(MAKE) --no-print-directory src/$(PROJECT).app.src
	$(gen_verbose) git archive --prefix=$(PROJECT)-$(VSN)/ HEAD . | \
	  tar xf - && \
	  cp src/$(PROJECT).app.src $(PROJECT)-$(VSN)/src && \
	  tar cf - $(PROJECT)-$(VSN) | xz > $@ && \
	  rm -rf $(PROJECT)-$(VSN)

clean:: clean-deps clean-recursive

clean-deps:
	@for dep in $(wildcard deps/*) ; do \
		if [ -f $$dep/GNUmakefile ] || [ -f $$dep/makefile ] || [ -f $$dep/Makefile ] ; then \
			$(MAKE) -C $$dep clean ; \
		else \
			echo "include $(CURDIR)/erlang.mk" | ERLC_OPTS=+debug_info $(MAKE) -f - -C $$dep clean ; \
		fi ; \
	done

.PHONY: app clean-deps $(foreach rule,$(RECURSIVES),$(rule)-recursive)