PROLOG = swipl
PACKAGE = $(shell $(PROLOG) -s pack.pl -g "name(N)   , writeln(N)" -t halt)
VERSION = $(shell $(PROLOG) -s pack.pl -g "version(V), writeln(V)" -t halt)
ZIPPACK = $(PACKAGE)-$(VERSION).zip
LIBROOT = $(shell $(PROLOG) -q -g "absolute_file_name(library(.), V), writeln(V)" -t halt)
LIBRARY = $(shell find $(LIBROOT) -type f -name '*.pl')
SOURCES = $(shell find prolog -type f -name '*.pl')
EXTRAS  = pack.pl README.md LICENSE Makefile
ETAGS   = etags --language=prolog

.PHONY: all check install lint pack clean packinstall packremove pack

all: check hutpl

lint:
	@$(PROLOG) -q -g "use_module(library(diagnostics))" -t halt -- prolog/*/*.pl

check: lint

pack: $(ZIPPACK)

$(ZIPPACK): $(SOURCES) $(EXTRAS)
	zip -r $@ $^

TAGS: $(SOURCES) $(LIBRARY)
	@$(ETAGS) $^

packinstall: $(ZIPPACK)
	@$(PROLOG) -g "pack_install('$(ZIPPACK)')" -t halt

packremove:
	$(PROLOG) -g "pack_remove($(PACKAGE))" -t halt

install:
	true

clean:
	rm $(ZIPPACK)

hutpl: $(SOURCES)
	$(PROLOG) --undefined=error -O -o $@ -c prolog/$(PACKAGE)/main.pl

upload: pack hutpl
	./hutpl git artifact upload $(shell ./hutpl git repo eshel sourcehut.pl | jq .id) "v$(VERSION)" $(ZIPPACK)