[makefile] sync from go-makefile-maker

Makefile

@@ -14,3 +14,47 @@ push: build
 
 docker-push-mac:
 	docker buildx build  --platform linux/amd64 . -t ${IMAGE}:${VERSION} --push
+
+## For https://github.com/sapcc/go-makefile-maker
+
+# which packages to test with "go test"
+GO_TESTPKGS := $(shell go list -f '{{if or .TestGoFiles .XTestGoFiles}}{{.ImportPath}}{{end}}' ./...)
+# which packages to measure coverage for
+GO_COVERPKGS := $(shell go list ./...)
+
+.PHONY: license-headers
+license-headers: FORCE
+	@if ! hash addlicense 2>/dev/null; then printf "\e[1;36m>> Installing addlicense...\e[0m\n"; go install github.com/google/addlicense@latest; fi
+	find * \( -name vendor -type d -prune \) -o \( -name \*.go -exec addlicense -c "SAP SE" -- {} + \)
+
+check-dependency-licenses: FORCE prepare-static-check
+	@printf "\e[1;36m>> go-licence-detector\e[0m\n"
+	@go list -m -mod=readonly -json all | go-licence-detector -includeIndirect -rules .license-scan-rules.json -overrides .license-scan-overrides.jsonl
+
+prepare-static-check: FORCE
+	@if ! hash golangci-lint 2>/dev/null; then printf "\e[1;36m>> Installing golangci-lint (this may take a while)...\e[0m\n"; go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest; fi
+	@if ! hash go-licence-detector 2>/dev/null; then printf "\e[1;36m>> Installing go-licence-detector...\e[0m\n"; go install go.elastic.co/go-licence-detector@latest; fi
+	@if ! hash addlicense 2>/dev/null; then  printf "\e[1;36m>> Installing addlicense...\e[0m\n";  go install github.com/google/addlicense@latest; fi
+
+check-license-headers: FORCE prepare-static-check
+	@printf "\e[1;36m>> addlicense --check\e[0m\n"
+	@addlicense --check  -- $(patsubst $(shell awk '$$1 == "module" {print $$2}' go.mod)%,.%/*.go,$(shell go list ./...))
+
+bin/cover.out: FORCE | build
+	@printf "\e[1;36m>> go test\e[0m\n"
+	@env $(GO_TESTENV) go test $(GO_BUILDFLAGS) -ldflags '-s -w $(GO_LDFLAGS)' -shuffle=on -p 1 -coverprofile=$@ -covermode=count -coverpkg=$(subst $(space),$(comma),$(GO_COVERPKGS)) $(GO_TESTPKGS)
+
+bin/cover.html: bin/cover.out
+	@printf "\e[1;36m>> go tool cover > bin/cover.html\e[0m\n"
+	@go tool cover -html $< -o $@
+
+vars: FORCE
+	@printf "DESTDIR=$(DESTDIR)\n"
+	@printf "GO_BUILDFLAGS=$(GO_BUILDFLAGS)\n"
+	@printf "GO_COVERPKGS=$(GO_COVERPKGS)\n"
+	@printf "GO_LDFLAGS=$(GO_LDFLAGS)\n"
+	@printf "GO_TESTENV=$(GO_TESTENV)\n"
+	@printf "GO_TESTPKGS=$(GO_TESTPKGS)\n"
+	@printf "PREFIX=$(PREFIX)\n"
+
+.PHONY: FORCE