#!/bin/bash

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Figure out where Spark is installed
export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"

source "$SPARK_HOME"/bin/load-spark-env.sh

function usage() {
  if [ -n "$1" ]; then
    echo $1
  fi
  echo "Usage: ./bin/sparkR [options]" 1>&2
  "$SPARK_HOME"/bin/spark-submit --help 2>&1 | grep -v Usage 1>&2
  exit $2
}
export -f usage

if [[ "$@" = *--help ]] || [[ "$@" = *-h ]]; then
  usage
fi

exec "$SPARK_HOME"/bin/spark-submit sparkr-shell-main "$@"