From 32bdbefd3dd080dc4ced914359ff71df0219cb47 Mon Sep 17 00:00:00 2001
From: Eduardo Coria <emcoria@us.ibm.com>
Date: Wed, 16 Nov 2022 14:40:14 -0500
Subject: [PATCH] update makefile samples

---
 testdata/project-v3-addon-and-grafana/Makefile | 11 ++++++++---
 testdata/project-v3-config/Makefile            | 11 ++++++++---
 testdata/project-v3-multigroup/Makefile        | 11 ++++++++---
 testdata/project-v3-with-deploy-image/Makefile | 11 ++++++++---
 testdata/project-v3/Makefile                   | 11 ++++++++---
 testdata/project-v4-addon-and-grafana/Makefile | 11 ++++++++---
 testdata/project-v4-config/Makefile            | 11 ++++++++---
 testdata/project-v4-multigroup/Makefile        | 11 ++++++++---
 testdata/project-v4-with-deploy-image/Makefile | 11 ++++++++---
 testdata/project-v4/Makefile                   | 11 ++++++++---
 10 files changed, 80 insertions(+), 30 deletions(-)

diff --git a/testdata/project-v3-addon-and-grafana/Makefile b/testdata/project-v3-addon-and-grafana/Makefile
index 8435ce82ad3..5b152ef06c6 100644
--- a/testdata/project-v3-addon-and-grafana/Makefile
+++ b/testdata/project-v3-addon-and-grafana/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v3-config/Makefile b/testdata/project-v3-config/Makefile
index 8435ce82ad3..5b152ef06c6 100644
--- a/testdata/project-v3-config/Makefile
+++ b/testdata/project-v3-config/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v3-multigroup/Makefile b/testdata/project-v3-multigroup/Makefile
index 8435ce82ad3..5b152ef06c6 100644
--- a/testdata/project-v3-multigroup/Makefile
+++ b/testdata/project-v3-multigroup/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v3-with-deploy-image/Makefile b/testdata/project-v3-with-deploy-image/Makefile
index 8435ce82ad3..5b152ef06c6 100644
--- a/testdata/project-v3-with-deploy-image/Makefile
+++ b/testdata/project-v3-with-deploy-image/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v3/Makefile b/testdata/project-v3/Makefile
index 8435ce82ad3..5b152ef06c6 100644
--- a/testdata/project-v3/Makefile
+++ b/testdata/project-v3/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v4-addon-and-grafana/Makefile b/testdata/project-v4-addon-and-grafana/Makefile
index f6c7f402932..d57a22954d2 100644
--- a/testdata/project-v4-addon-and-grafana/Makefile
+++ b/testdata/project-v4-addon-and-grafana/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v4-config/Makefile b/testdata/project-v4-config/Makefile
index f6c7f402932..d57a22954d2 100644
--- a/testdata/project-v4-config/Makefile
+++ b/testdata/project-v4-config/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v4-multigroup/Makefile b/testdata/project-v4-multigroup/Makefile
index f6c7f402932..d57a22954d2 100644
--- a/testdata/project-v4-multigroup/Makefile
+++ b/testdata/project-v4-multigroup/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v4-with-deploy-image/Makefile b/testdata/project-v4-with-deploy-image/Makefile
index f6c7f402932..d57a22954d2 100644
--- a/testdata/project-v4-with-deploy-image/Makefile
+++ b/testdata/project-v4-with-deploy-image/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/testdata/project-v4/Makefile b/testdata/project-v4/Makefile
index f6c7f402932..d57a22954d2 100644
--- a/testdata/project-v4/Makefile
+++ b/testdata/project-v4/Makefile
@@ -137,14 +137,19 @@ CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
-kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
 $(KUSTOMIZE): $(LOCALBIN)
+	@if test -x $(LOCALBIN)/kustomize && ! $(LOCALBIN)/kustomize version | grep -q $(KUSTOMIZE_VERSION); then
+		echo "$(LOCALBIN)/kustomize version is not expected $(KUSTOMIZE_VERSION). Removing it before installing.";
+		rm -rf $(LOCALBIN)/kustomize;
+	fi
 	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
-controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.