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Handle unset dollar-at.

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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.
This commit is contained in:
Eric Tune 2015-02-12 11:39:53 -08:00
parent 42f04587d0
commit 9e015fd216
1 changed files with 2 additions and 2 deletions
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4
cluster/kubectl.sh
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@ -128,5 +128,5 @@ if [[ -n "${KUBE_MASTER_IP-}" && -z "${KUBERNETES_MASTER-}" ]]; then
export KUBERNETES_MASTER=https://${KUBE_MASTER_IP} export KUBERNETES_MASTER=https://${KUBE_MASTER_IP}
fi fi
echo "Running:" "${kubectl}" "${config[@]:+${config[@]}}" "${@}" >&2 echo "Running:" "${kubectl}" "${config[@]:+${config[@]}}" "${@+$@}" >&2
"${kubectl}" "${config[@]:+${config[@]}}" "${@}" "${kubectl}" "${config[@]:+${config[@]}}" "${@+$@}"