message: minor error checking.
diff: @@ -57,10 +57,18 @@ done
  # set a default instance, if not specified.
  if [ -z ${INSTANCE+x} ]; then
  - INSTANCE=$(svcat get instance -o json |jq -r '.items[0].metadata.name')
  + INSTANCE=$(svcat -n ${NAMESPACE} get instance -o json |jq -r '.items[0].metadata.name')
  echo "instance not specified, using $INSTANCE"
  fi
  +# verify instance exists
  +svcat -n ${NAMESPACE} get instance $INSTANCE
  +if [ $? -gt 0 ] ;then
  + echo "no instance found"
  + exit 2
  +fi
  +
  +
  # validate $broker
  oc -n ${NAMESPACE} create serviceaccount migrator
  