From 239b3338e910d85b348ede0461adc766e0b82ea1 Mon Sep 17 00:00:00 2001
From: Benjamin Elder <bentheelder@google.com>
Date: Thu, 20 Oct 2022 15:05:17 -0700
Subject: [PATCH] idiomatically check for empty variable

---
 hack/local-up-cluster.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hack/local-up-cluster.sh b/hack/local-up-cluster.sh
index 69dacaa5ead..3296d2ddbd4 100755
--- a/hack/local-up-cluster.sh
+++ b/hack/local-up-cluster.sh
@@ -186,7 +186,7 @@ do
     esac
 done
 
-if [ "x${GO_OUT}" == "x" ]; then
+if [ -z "${GO_OUT}" ]; then
     make -C "${KUBE_ROOT}" WHAT="cmd/kubectl cmd/kube-apiserver cmd/kube-controller-manager cmd/cloud-controller-manager cmd/kubelet cmd/kube-proxy cmd/kube-scheduler"
 else
     echo "skipped the build."