| #!/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. | 
 |  | 
 |  | 
 | if [ -z "$JAVA_HOME" ]; then | 
 |   echo JAVA_HOME is not set | 
 |   exit 1 | 
 | fi | 
 |  | 
 | if [ -z "$FORREST_HOME" ]; then | 
 |   echo FORREST_HOME is not set | 
 |   exit 1 | 
 | fi | 
 |  | 
 | echo Found all necessary env variables. | 
 | exit 0 |