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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.
################################################################################

CURRENT_DIR="$( cd "$(dirname "$0")" ; pwd -P )"
FIND_FLINK_HOME_PYTHON_SCRIPT="$CURRENT_DIR/find_flink_home.py"

if [ ! -f "$FIND_FLINK_HOME_PYTHON_SCRIPT" ]; then
    export FLINK_HOME="$( cd "$CURRENT_DIR"/.. ; pwd -P )"
else
    PYFLINK_PYTHON="${PYFLINK_PYTHON:-"python"}"
    export FLINK_HOME=$("$FIND_FLINK_HOME_PYTHON_SCRIPT")
fi