cabal := $(wildcard *.cabal)
package := $(notdir ./$(cabal:.cabal=))
version := $(shell sed -ne 's/^version: *\(.*\)/\1/p' $(cabal))
project := $(patsubst %.cabal,%,$(cabal))
cabal_builddir ?= dist-newstyle

override REPL_OPTIONS += -ignore-dot-ghci
override TEST_OPTIONS += --color=always
override GHCID_OPTIONS += --no-height-limit --reverse-errors --color=always --warnings --restart $(cabal)

all: build
build:
	cabal build $(CABAL_BUILD_FLAGS)
clean c:
	cabal clean
repl:
	cabal repl $(CABAL_REPL_FLAGS) $(project)
ghcid:
	ghcid $(GHCID_OPTIONS) --command 'cabal repl -fno-code $(CABAL_REPL_FLAGS) $(project) $(addprefix --repl-options ,$(REPL_OPTIONS))'

.PHONY: tests
t tests:
	cabal test $(CABAL_TEST_FLAGS) \
	 --test-show-details always --test-options "$(TEST_OPTIONS)"
tests/prof-time: $(project)-tests.eventlog.json
tests/prof-heap: $(project)-tests.eventlog.html
.PHONY: $(project)-test.eventlog
$(project)-test.eventlog $(project)-test.prof:
	cabal test $(CABAL_TEST_FLAGS) \
	 --test-show-details always --test-options "$(TEST_OPTIONS) +RTS $(RTS_OPTIONS)" \
	 --enable-profiling $(addprefix --ghc-options ,$(GHC_PROF_OPTIONS)) || true
t/repl tests/repl:
	cabal repl $(CABAL_REPL_FLAGS) $(CABAL_TEST_FLAGS) --enable-tests $(project)-tests
t/ghcid tests/ghcid:
	ghcid $(GHCID_OPTIONS) --command 'cabal repl $(CABAL_REPL_FLAGS) $(CABAL_TEST_FLAGS) $(project):tests' --test ":main $(TEST_OPTIONS)"

.PHONY: benchmarks/time
bt benchmarks/time:
	cabal bench $(CABAL_BENCH_FLAGS) time \
	 --benchmark-options "$(BENCHMARKS_TIME_OPTIONS)"
.PHONY: benchmarks/weigh
bw benchmarks/weigh:
	cabal bench $(CABAL_BENCH_FLAGS) weigh \
	 --benchmark-options "$(BENCHMARKS_WEIGH_OPTIONS)"
benchmarks/weigh/ghcid:
	ghcid $(GHCID_OPTIONS) --target=relactive --run=':! ghcid $(GHCID_OPTIONS) --target=weigh --run'

executables/async/ghcid:
	ghcid $(GHCID_OPTIONS) --target=relactive --run=':! ghcid $(GHCID_OPTIONS) --target=async --run'
executables/fsnotify/ghcid:
	ghcid $(GHCID_OPTIONS) --target=relactive --run=':! ghcid $(GHCID_OPTIONS) --target=fsnotify --run'


%/accept: TEST_OPTIONS += --accept
%/accept: %
	
%/cover: CABAL_TEST_FLAGS += --enable-coverage
%/cover: %
	
%.eventlog.html: RTS_OPTIONS += -hy -l-au
%.eventlog.html: %.eventlog
	eventlog2html $<
%.eventlog.json: RTS_OPTIONS += -p -l-au
%.eventlog.json: %.eventlog
	hs-speedscope $<

doc:
	cabal haddock --haddock-css ocean --haddock-hyperlink-source

.PHONY: ChangeLog.md
ChangeLog.md:
	! git tag --merged | grep -Fqx $(package)-$(version)
	git diff --exit-code
	git tag -f $(package)-$(version)
	git-chglog --output $@.new --tag-filter-pattern '$(package)-.*' $(package)-$(version)
	touch $@
	cat $@ >>$@.new
	mv -f $@.new $@
	git tag -d $(package)-$(version)
	git add '$@'
	git commit -m 'doc: update `$@`'
tag: build ChangeLog.md
	git tag -s -m $(package)-$(version) $(package)-$(version)

tar:
	git diff --exit-code
	reuse lint
	cabal sdist
	cabal haddock --haddock-for-hackage --enable-doc
upload: LANG=C
upload: tar
	git tag --merged | grep -Fqx $(package)-$(version)
	git push --follow-tags $(GIT_PUSH_FLAGS)
	cabal upload $(CABAL_UPLOAD_FLAGS) "$(cabal_builddir)"/sdist/$(package)-$(version).tar.gz
	cabal upload $(CABAL_UPLOAD_FLAGS) --documentation "$(cabal_builddir)"/$(package)-$(version)-docs.tar.gz
%/publish: CABAL_UPLOAD_FLAGS+=--publish
%/publish: %
	
publish: upload/publish

.PHONY: .hlint.yaml
.hlint.yaml: $(shell find src -name '*.hs' -not -name 'HLint.hs')
	sed -i -e '/^# BEGIN: generated hints/,/^# END: generated hints/d' $@
	echo >>$@ '# BEGIN: generated hints'
	hlint --find . | grep -- '- fixity:' | sort -u >>$@
	echo >>$@ '# END: generated hints'
lint: .hlint.yaml
	if hlint --quiet --report=hlint.html -XNoCPP $(HLINT_FLAGS) .; \
	then rm -f hlint.html; \
	else sensible-browser ./hlint.html & fi