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.

Handle unset dollar-at.
9e015fd2 · Eric Tune · 42f04587 · 9e015fd2
Commit 9e015fd2 authored Feb 12, 2015 by Eric Tune
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kubectl.sh cluster/kubectl.sh +2 -2

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--- 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[@]}}" "${@+$@}"