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#!/usr/bin/env 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.
#
# This script loads spark-env.sh if it exists, and ensures it is only loaded once.
# spark-env.sh is loaded from SPARK_CONF_DIR if set, or within the current directory's
# conf/ subdirectory.
FWDIR="$(cd "`dirname "$0"`"/..; pwd)"
if [ -z "$SPARK_ENV_LOADED" ]; then
export SPARK_ENV_LOADED=1
# Returns the parent of the directory this script lives in.
parent_dir="$(cd "`dirname "$0"`"/..; pwd)"
user_conf_dir="${SPARK_CONF_DIR:-"$parent_dir"/conf}"
if [ -f "${user_conf_dir}/spark-env.sh" ]; then
# Promote all variable declarations to environment (exported) variables
set -a
. "${user_conf_dir}/spark-env.sh"
set +a
fi
fi
# Setting SPARK_SCALA_VERSION if not already set.
if [ -z "$SPARK_SCALA_VERSION" ]; then
ASSEMBLY_DIR2="$FWDIR/assembly/target/scala-2.11"
ASSEMBLY_DIR1="$FWDIR/assembly/target/scala-2.10"
if [[ -d "$ASSEMBLY_DIR2" && -d "$ASSEMBLY_DIR1" ]]; then
echo -e "Presence of build for both scala versions(SCALA 2.10 and SCALA 2.11) detected." 1>&2
echo -e 'Either clean one of them or, export SPARK_SCALA_VERSION=2.11 in spark-env.sh.' 1>&2
exit 1
fi
if [ -d "$ASSEMBLY_DIR2" ]; then
export SPARK_SCALA_VERSION="2.11"
else
export SPARK_SCALA_VERSION="2.10"
fi
fi
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