From 781d27acac1653509969c22c0be067764bdbf6e3 Mon Sep 17 00:00:00 2001
From: "Dr. Stefan Schimanski" <stefan.schimanski@gmail.com>
Date: Wed, 31 May 2017 11:57:03 +0200
Subject: [PATCH] hack/update-swagger-spec.sh: use posix regex syntax

---
 hack/update-swagger-spec.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hack/update-swagger-spec.sh b/hack/update-swagger-spec.sh
index 77f3bc90d16..ed45f2c1554 100755
--- a/hack/update-swagger-spec.sh
+++ b/hack/update-swagger-spec.sh
@@ -69,7 +69,7 @@ kube::log::status "Starting kube-apiserver"
   --etcd-servers="http://${ETCD_HOST}:${ETCD_PORT}" \
   --advertise-address="10.10.10.10" \
   --cert-dir="${TMP_DIR}/certs" \
-  --runtime-config=$(echo "${KUBE_AVAILABLE_GROUP_VERSIONS}" | sed "s|\s|,|g") \
+  --runtime-config=$(echo "${KUBE_AVAILABLE_GROUP_VERSIONS}" | sed -E 's|[[:blank:]]+|,|g') \
   --service-cluster-ip-range="10.0.0.0/24" >/tmp/swagger-api-server.log 2>&1 &
 APISERVER_PID=$!