Add Makefile for tas-installer

Makefile

@@ -0,0 +1,37 @@
+
+CHART_VERSION ?= ""
+CHART_URL ?= "./charts/trusted-artifact-signer"
+
+LDFLAGS=-X securesign/sigstore-ocp/tas-installer/cmd.helmChartVersion=$(CHART_VERSION) \
+        -X securesign/sigstore-ocp/tas-installer/cmd.helmChartUrl=$(CHART_URL)
+
+PLATFORMS=darwin linux windows
+ARCHITECTURES=amd64 arm64
+
+.PHONY: build
+build: build-tas-installer
+
+.PHONY: test
+test: test-tas-installer
+
+.PHONY: cross
+cross: cross-tas-installer
+
+.PHONY: build-tas-installer
+build-tas-installer:
+	CGO_ENABLED=0 go build -C ./tas-installer -trimpath -ldflags "$(LDFLAGS)" -o ../tas-install
+
+.PHONY: test-tas-installer
+test-tas-installer:
+	cd ./tas-installer && go test ./...
+
+.PHONY: cross-tas-installer
+cross-tas-installer:
+	$(foreach GOOS, $(PLATFORMS),\
+		$(foreach GOARCH, $(ARCHITECTURES), $(shell export GOOS=$(GOOS); export GOARCH=$(GOARCH); \
+	go build -C ./tas-installer -trimpath -ldflags "$(LDFLAGS)" -o ../tas-install-$(GOOS)-$(GOARCH))))
+
+.PHONY: clean
+clean:
+	rm -f tas-install
+	rm -f tas-install-*