Simplify makefile

Makefile

@@ -6,69 +6,43 @@ VERSION := $(or ${GITHUB_TAG_NAME},$(shell git describe --tags --exact-match 2>
 
 GOFILES=$(wildcard *.go)
 GONAME=$(shell basename "$(PWD)")
-GO_BUILDINFO= -X 'github.com/metal-stack/v.Version=$(VERSION)' \
+GOOS := linux
+GOARCH := amd64
+BINARY := $(GONAME)-$(GOOS)-$(GOARCH)
+
+build:
+	go build \
+		-trimpath \
+		-tags netgo \
+		-ldflags "-X 'github.com/metal-stack/v.Version=$(VERSION)' \
 				  -X 'github.com/metal-stack/v.Revision=$(GITVERSION)' \
 				  -X 'github.com/metal-stack/v.GitSHA1=$(SHA)' \
-				  -X 'github.com/metal-stack/v.BuildDate=$(BUILDDATE)'
+				  -X 'github.com/metal-stack/v.BuildDate=$(BUILDDATE)'" \
+		-o bin/$(BINARY) $(GOFILES)
+	strip bin/$(BINARY)
+	sha256sum bin/$(BINARY) > bin/$(BINARY).sha256
 
 run:
-	$(MAKE) app-local
+	$(MAKE) build BINARY=$(GONAME)-dev
 	go run $(GOFILES) --config=$(shell pwd)/nftables_exporter.yaml
 
 clean:
 	@echo "Cleaning"
 	go clean
 
-##
-# Build
-##
-app-local:
-	go build \
-		-trimpath \
-		-tags netgo \
-		-ldflags "$(GO_BUILDINFO)" \
-		-o bin/$(GONAME)-dev $(GOFILES)
-	strip bin/$(GONAME)-dev
-app-local-goos-goarch:
-	GOOS=$(GOOS) GOARCH=$(GOARCH) go build \
-		-trimpath \
-		-tags netgo \
-		-ldflags "$(GO_BUILDINFO)" \
-		-o bin/$(GONAME)-$(GOOS)-$(GOARCH) $(GOFILES)
-	strip bin/$(GONAME)-$(GOOS)-$(GOARCH)
-	sha256sum bin/$(GONAME)-$(GOOS)-$(GOARCH) > bin/$(GONAME)-$(GOOS)-$(GOARCH).sha256
-
-build: \
-		build-linux-amd64 \
-		build-linux-arm64
-
-build-linux-amd64:
-	GOOS=linux GOARCH=amd64 $(MAKE) app-local-goos-goarch
-build-linux-arm64:
-	GOOS=linux GOARCH=arm64 $(MAKE) app-local-goos-goarch
-
 ##
 # Release
 ##
 
-.PHONY: release-goos-goarch release
-release: \
-		release-linux-amd64 \
-		release-linux-arm64
-
-release-linux-amd64:
-	GOOS=linux GOARCH=amd64 $(MAKE) release-goos-goarch
-release-linux-arm64:
-	GOOS=linux GOARCH=arm64 $(MAKE) release-goos-goarch
-
-release-goos-goarch: build-$(GOOS)-$(GOARCH)
+.PHONY: release
+release: build
 	rm -rf rel
 	rm -f nftables-exporter.tgz
 	mkdir -p rel/usr/bin rel/etc/systemd/system
 	cp bin/nftables-exporter-$(GOOS)-$(GOARCH) rel/usr/bin/nftables-exporter
 	cp systemd/nftables-exporter.service rel/etc/systemd/system
 	cd rel \
-		&& tar --transform="flags=r;s|-$(GOOS)-$(GOARCH)||" -cvzf nftables-exporter-$(GOOS)-$(GOARCH).tgz \
-			usr/bin/nftables-exporter etc/systemd/system/nftables-exporter.service \
-		&& mv nftables-exporter-$(GOOS)-$(GOARCH).tgz .. \
-		&& cd -
+	&& tar --transform="flags=r;s|-$(GOOS)-$(GOARCH)||" -cvzf nftables-exporter-$(GOOS)-$(GOARCH).tgz \
+		usr/bin/nftables-exporter etc/systemd/system/nftables-exporter.service \
+	&& mv nftables-exporter-$(GOOS)-$(GOARCH).tgz .. \
+	&& cd -