From 7f5451f27a1da1f6e1d531a53048b0f562adb80c Mon Sep 17 00:00:00 2001
From: killianmuldoon <kmuldoon@vmware.com>
Date: Fri, 10 Sep 2021 14:30:24 +0100
Subject: [PATCH] Fix panic in clusterctl describe from nil reference

---
 controllers/external/util.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/controllers/external/util.go b/controllers/external/util.go
index 3e45a2034701..4c610d182559 100644
--- a/controllers/external/util.go
+++ b/controllers/external/util.go
@@ -39,6 +39,9 @@ const (
 
 // Get uses the client and reference to get an external, unstructured object.
 func Get(ctx context.Context, c client.Client, ref *corev1.ObjectReference, namespace string) (*unstructured.Unstructured, error) {
+	if ref == nil {
+		return nil, errors.Errorf("cannot get object - object reference not set")
+	}
 	obj := new(unstructured.Unstructured)
 	obj.SetAPIVersion(ref.APIVersion)
 	obj.SetKind(ref.Kind)