Makefile

GIT_COMMIT=$(shell git rev-parse HEAD)
GIT_VERSION=$(shell git describe --tags --always --dirty 2>/dev/null)
GIT_UNTRACKEDCHANGES := $(shell git status --porcelain --untracked-files=no)
ifneq ($(GIT_UNTRACKEDCHANGES),)
	GIT_VERSION := $(GIT_VERSION)-$(shell date +"%s")
endif
LDFLAGS := "-s -w -X main.Version=$(GIT_VERSION) -X main.GitCommit=$(GIT_COMMIT)"

SERVER?=ghcr.io
OWNER?=openfaas
IMG_NAME?=of-watchdog
TAG?=$(GIT_VERSION)

export GOFLAGS=-mod=vendor

.PHONY: all
all: gofmt test dist hashgen

.PHONY: test
test:
	@echo "+ $@"
	@go test -v ./...

.PHONY: gofmt
gofmt:
	@echo "+ $@"
	@gofmt -l -d $(shell find . -type f -name '*.go' -not -path "./vendor/*")


.PHONY: build
build:
	@echo "+ $@"
	@docker build \
		--build-arg GIT_COMMIT=${GIT_COMMIT} \
		--build-arg VERSION=${GIT_VERSION} \
		-t $(SERVER)/$(OWNER)/$(IMG_NAME):$(TAG) .

.PHONY: hashgen
hashgen:
	./ci/hashgen.sh

.PHONY: dist
dist:
	@echo "+ $@"
	CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags $(LDFLAGS) -o bin/fwatchdog-amd64
	GOARM=7 GOARCH=arm CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags $(LDFLAGS) -o bin/fwatchdog-arm
	GOARCH=arm64 CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags $(LDFLAGS) -o bin/fwatchdog-arm64
	GOOS=windows CGO_ENABLED=0 go build -mod=vendor -ldflags $(LDFLAGS) -o bin/fwatchdog.exe

# use this with
# `./ci/copy_redist.sh $(make print-image) && ./ci/hashgen.sh`
print-image:
	@echo ${.IMAGE}

# Example:
# SERVER=docker.io OWNER=alexellis2 TAG=ready make publish
.PHONY: publish
publish:
	@echo  $(SERVER)/$(OWNER)/$(IMG_NAME):$(TAG) && \
	docker buildx create --use --name=multiarch --node=multiarch && \
	docker buildx build \
		--platform linux/amd64,linux/arm/v7,linux/arm64 \
		--push=true \
        --build-arg GIT_COMMIT=$(GIT_COMMIT) \
        --build-arg VERSION=$(VERSION) \
		--tag $(SERVER)/$(OWNER)/$(IMG_NAME):$(TAG) \
		.