cabal := $(shell find . -name '*.cabal' -print -quit)
package := $(notdir ./$(cabal:.cabal=))
#package := $(shell 2>&1 stack ide packages)
#STACK_FLAGS ?= --nix

all: build

build:
	stack $(STACK_FLAGS) build $(STACK_BUILD_FLAGS)

.PHONY: test
test:
	! grep -q '^Test-Suite\>' $(cabal) || \
	{ stack $(STACK_FLAGS) test $(STACK_TEST_FLAGS) --test-arguments "$(STACK_TEST_ARGS)"; }

GHCID_TEST_ARGS ?=
GHCID_TEST ?= ":main $(GHCID_TEST_ARGS)"
ghcid:
	ghcid \
	 --warnings \
	 --command "stack $(STACK_FLAGS) $(GHCID_STACK_FLAGS) ghci $(GHCID_GHCI_FLAGS) \
	   $(shell 2>&1 stack ide targets | grep -v :test:) \
	   --ghci-options=-fobject-code" \
	 --test $(GHCID_TEST) \
	 $(GHCID_FLAGS)

clean:
	stack $(STACK_FLAGS) clean $(STACK_CLEAN_FLAGS)
cleaner:
	stack $(STACK_FLAGS) clean --full $(STACK_CLEAN_FLAGS)

%/fast: override STACK_BUILD_FLAGS+=--fast
%/fast: override STACK_HADDOCK_FLAGS+=--fast
%/fast: override STACK_TEST_FLAGS+=--fast
%/fast: %
	

%/debug: override STACK_BUILD_FLAGS+=--flag $(cabal:.cabal=):debug
%/debug: override STACK_TEST_FLAGS+=--flag $(cabal:.cabal=):debug
%/debug: %
	

%/accept: override STACK_TEST_ARGS+=--accept
%/accept: %
	

doc:
	stack $(STACK_FLAGS) haddock $(STACK_HADDOCK_FLAGS)
%.html: %.md
	markdown $*.md >$*.html
%.html/view: %.html
	sensible-browser $*.html

HLint.hs: $(shell find . -name '*.hs' -not -name 'HLint.hs')
	sed -i -e '/^-- BEGIN: generated hints/,/^-- END: Generated by hlint/d' HLint.hs
	echo '-- BEGIN: generated hints' >> HLint.hs
	hlint --find . | grep '^'infix | sort -u >> HLint.hs
	echo '-- END: generated hints' >> HLint.hs

lint: HLint.hs
	if hlint --quiet --report=hlint.html -XNoCPP \
	 $(shell cabal-cargs --format=ghc --only=default_extensions --sourcefile=$(cabal)) $(HLINT_FLAGS) .; \
	then rm -f hlint.html; \
	else sensible-browser ./hlint.html & fi

tag:
	name=$$(sed -ne 's/^name: *\(.*\)/\1/p' "$(cabal)"); \
	version=$$(sed -ne 's/^version: *\(.*\)/\1/p' "$(cabal)"); \
	git tag --merged | grep -Fqx "$$name-$$version" || \
	git tag -f -s -m "$$name v$$version" $$name-$$version

tar:
	stack $(STACK_FLAGS) sdist $(STACK_SDIST_FLAGS)
upload:
	LANG=C stack $(STACK_FLAGS) upload $(STACK_UPLOAD_FLAGS) .

.PHONY: stats
stats:
	gitstats . $@
stats/view: stats
	sensible-browser stats/index.html