BIN := wtz
VERSION := $$(make -s show-version)
CURRENT_REVISION := $(shell git rev-parse --short HEAD)
BUILD_LDFLAGS := "-s -w -X main.revision=$(CURRENT_REVISION)"
GOBIN ?= $(shell go env GOPATH)/bin
export GO111MODULE=on

.PHONY: all
all: clean build

.PHONY: build
build:
	go build -ldflags=$(BUILD_LDFLAGS) -o $(BIN) .

.PHONY: clean
clean:
	rm -rf $(BIN) goxz
	go clean

.PHONY: install
install:
	go install -ldflags=$(BUILD_LDFLAGS) .

$(GOBIN)/goxz:
	cd && go get github.com/Songmu/goxz/cmd/goxz

.PHONY: cross
cross: $(GOBIN)/goxz
	goxz -n $(BIN) -pv=v$(VERSION) -build-ldflags=$(BUILD_LDFLAGS) .

PHONY: show-version
show-version: $(GOBIN)/gobump
	@gobump show -r .

$(GOBIN)/gobump:
	@cd && go get github.com/x-motemen/gobump/cmd/gobump

.PHONY: lint
lint:
	go vet .

.PHONY: test
test: clean build
	go test -cover ./...

.PHONY: integration-tests
integration-tests: clean install
	bats -t tests/integration/*.bats

.PHONY: upload
upload: $(GOBIN)/ghr
	ghr "v$(VERSION)" goxz

$(GOBIN)/ghr:
	cd && go get github.com/tcnksm/ghr 

.PHONY: bump
bump: $(GOBIN)/gobump
ifneq ($(shell git status --porcelain),)
	$(error git workspace is dirty)
endif
ifneq ($(shell git rev-parse --abbrev-ref HEAD),main)
	$(error current branch is not main)
endif
	@gobump up -w .
	git commit -am "bump up version to $(VERSION)"
	git tag "v$(VERSION)"
	git push github main
	git push github "refs/tags/v$(VERSION)"