GO ?= go

ifneq ($(DRONE_TAG),)
	VERSION ?= $(subst v,,$(DRONE_TAG))
	LONG_VERSION ?= $(VERSION)
else
	ifneq ($(DRONE_BRANCH),)
		VERSION ?= $(subst release/v,,$(DRONE_BRANCH))
	else
		VERSION ?= master
	endif
	LONG_VERSION ?= $(shell git describe --tags --always | sed 's/-/+/' | sed 's/^v//')
endif

LDFLAGS := $(LDFLAGS) -X "main.Version=$(LONG_VERSION)"

.PHONY: build
build:
	$(GO) build -ldflags '-s -w $(LDFLAGS)'

.PHONY: lint
lint:
	@hash golangci-lint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
		export BINARY="golangci-lint"; \
		curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.23.1; \
	fi
	golangci-lint run --timeout 5m

.PHONY: fmt
fmt:
	$(GO) fmt ./...

.PHONY: test
test:
	$(GO) test -race ./...