From 9e015fd216bee98129b800f0df79c997ed92edf6 Mon Sep 17 00:00:00 2001
From: Eric Tune <etune@google.com>
Date: Thu, 12 Feb 2015 11:39:53 -0800
Subject: [PATCH] Handle unset dollar-at.

When no args are passed to a script, "$@" is unset,
which causes a shell error in "nounset" mode.

This change passes an empty string to kubectl in that case
so it can print help.
---
 cluster/kubectl.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cluster/kubectl.sh b/cluster/kubectl.sh
index 9a4ca11fdea..9cf53d0e5fa 100755
--- a/cluster/kubectl.sh
+++ b/cluster/kubectl.sh
@@ -128,5 +128,5 @@ if [[ -n "${KUBE_MASTER_IP-}" && -z "${KUBERNETES_MASTER-}" ]]; then
   export KUBERNETES_MASTER=https://${KUBE_MASTER_IP}
 fi
 
-echo "Running:" "${kubectl}" "${config[@]:+${config[@]}}" "${@}" >&2
-"${kubectl}" "${config[@]:+${config[@]}}" "${@}"
+echo "Running:" "${kubectl}" "${config[@]:+${config[@]}}" "${@+$@}" >&2
+"${kubectl}" "${config[@]:+${config[@]}}" "${@+$@}"