Makefile

pkgs := $(shell go list ./... | grep -v /types)
prod_pkgs := $(shell go list ./... | grep -v /types | grep -v /e2e)
files := $(shell find . -path ./vendor -prune -path ./types/types.pb.go -prune -o -name '*.go' -print)
git_rev := $(shell git rev-parse --short HEAD)
git_tag := $(shell git tag --points-at=$(git_rev))
image := skycirrus/merlin
build_time := $(shell date -u)
ldflags := -X main.Version=$(if $(git_tag),$(git_tag),dev-$(git_rev)) -X "main.BuildTime=$(build_time)"

.PHONY: all clean format test build-release vet lint checkformat check docker release-docker proto setup

all : install check
check : checkformat vet lint test
travis : check build-release docker

setup :
	@echo "== setup"
	go get -u golang.org/x/lint/golint
	go get -u golang.org/x/tools/cmd/goimports
	go get -u github.com/golang/dep/cmd/dep
	go get -u github.com/golang/protobuf/protoc-gen-go
	dep ensure

format :
	@echo "== format"
	@goimports -w $(files)
	@sync

clean :
	@echo "== clean"
	rm -rf build

build-release :
	@echo "== build-release"
	CGO_ENABLED=0 GOOS=linux go build -ldflags '-s $(ldflags)' -a -installsuffix static github.com/sky-uk/merlin/cmd/merlin
	CGO_ENABLED=0 GOOS=linux go build -ldflags '-s $(ldflags)' -a -installsuffix static github.com/sky-uk/merlin/cmd/meradm

install :
	@echo "== install"
	@go install -race -v -ldflags '$(ldflags)' ./cmd/merlin
	@go install -v -ldflags '$(ldflags)' ./cmd/meradm

unformatted = $(shell goimports -l $(files))

checkformat :
	@echo "== check formatting"
ifneq "$(unformatted)" ""
	@echo "needs formatting: $(unformatted)"
	@echo "run make format"
	@exit 1
endif

vet :
	@echo "== vet"
	@go vet $(prod_pkgs)

lint :
	@echo "== lint"
	@for pkg in $(prod_pkgs); do \
		golint -set_exit_status $$pkg || exit 1; \
	done;

test : install
	@echo "== run tests"
	@go test -race $(pkgs)

proto :
	@echo "== compiling proto files"
	protoc --go_out=plugins=grpc:. types/types.proto

docker : build-release
	@echo "== build"
	docker build -t $(image):latest .

release-docker : docker
	@echo "== release"
ifeq ($(strip $(git_tag)),)
	@echo "no tag on $(git_rev), skipping release"
else
	@echo "releasing $(image):$(git_tag)"
	@docker login -u $(DOCKER_USERNAME) -p $(DOCKER_PASSWORD)
	docker tag $(image):latest $(image):$(git_tag)
	docker push $(image):$(git_tag)
endif