106 lines
3.8 KiB
Bash
106 lines
3.8 KiB
Bash
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#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Set JAVA_HOME or JRE_HOME if not already set, ensure any provided settings
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# are valid and consistent with the selected start-up options.
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# -----------------------------------------------------------------------------
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# Make sure prerequisite environment variables are set
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if [ -z "$JAVA_HOME" ] && [ -z "$JRE_HOME" ]; then
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if $darwin; then
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# Bugzilla 54390
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if [ -x '/usr/libexec/java_home' ] ; then
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export JAVA_HOME=`/usr/libexec/java_home`
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# Bugzilla 37284 (reviewed).
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elif [ -d "/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home" ]; then
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export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"
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fi
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else
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JAVA_PATH=`which java 2>/dev/null`
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if [ "x$JAVA_PATH" != "x" ]; then
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JAVA_PATH=`dirname "$JAVA_PATH" 2>/dev/null`
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JRE_HOME=`dirname "$JAVA_PATH" 2>/dev/null`
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fi
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if [ "x$JRE_HOME" = "x" ]; then
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# XXX: Should we try other locations?
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if [ -x /usr/bin/java ]; then
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JRE_HOME=/usr
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fi
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fi
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fi
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if [ -z "$JAVA_HOME" ] && [ -z "$JRE_HOME" ]; then
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echo "Neither the JAVA_HOME nor the JRE_HOME environment variable is defined"
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echo "At least one of these environment variable is needed to run this program"
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exit 1
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fi
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fi
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if [ -z "$JAVA_HOME" ] && [ "$1" = "debug" ]; then
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echo "JAVA_HOME should point to a JDK in order to run in debug mode."
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exit 1
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fi
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# If we're running under jdb, we need a full jdk.
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if [ "$1" = "debug" ] ; then
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if [ "$os400" = "true" ]; then
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if [ ! -x "$JAVA_HOME"/bin/java ] || [ ! -x "$JAVA_HOME"/bin/javac ]; then
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echo "The JAVA_HOME environment variable is not defined correctly"
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echo "JAVA_HOME=$JAVA_HOME"
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echo "This environment variable is needed to run this program"
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echo "NB: JAVA_HOME should point to a JDK not a JRE"
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exit 1
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fi
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else
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if [ ! -x "$JAVA_HOME"/bin/java ] || [ ! -x "$JAVA_HOME"/bin/jdb ] || [ ! -x "$JAVA_HOME"/bin/javac ]; then
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echo "The JAVA_HOME environment variable is not defined correctly"
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echo "JAVA_HOME=$JAVA_HOME"
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echo "This environment variable is needed to run this program"
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echo "NB: JAVA_HOME should point to a JDK not a JRE"
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exit 1
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fi
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fi
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fi
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if [ -z "$JRE_HOME" ]; then
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# JAVA_HOME_MUST be set
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if [ ! -x "$JAVA_HOME"/bin/java ]; then
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echo "The JAVA_HOME environment variable is not defined correctly"
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echo "JAVA_HOME=$JAVA_HOME"
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echo "This environment variable is needed to run this program"
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echo "NB: JAVA_HOME should point to a JDK not a JRE"
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exit 1
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fi
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JRE_HOME="$JAVA_HOME"
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else
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if [ ! -x "$JRE_HOME"/bin/java ]; then
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echo "The JRE_HOME environment variable is not defined correctly"
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echo "JRE_HOME=$JRE_HOME"
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echo "This environment variable is needed to run this program"
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exit 1
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fi
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fi
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# Set standard commands for invoking Java, if not already set.
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if [ -z "$_RUNJAVA" ]; then
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_RUNJAVA="$JRE_HOME"/bin/java
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fi
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if [ "$os400" != "true" ]; then
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if [ -z "$_RUNJDB" ]; then
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_RUNJDB="$JAVA_HOME"/bin/jdb
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fi
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fi
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