Handle unset dollar-at.

When no args are passed to a script, "$@" is unset, which causes a shell error in "nounset" mode. This change passes an empty string to kubectl in that case so it can print help.
duda · Feb 12, 2015 · 9e015fd · 9e015fd
1 parent 42f0458
commit 9e015fd
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cluster/kubectl.sh b/cluster/kubectl.sh
@@ -128,5 +128,5 @@ if [[ -n "${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[@]}}" "${@+$@}"