mirror of https://github.com/apache/lucene.git
94 lines
3.5 KiB
Groovy
94 lines
3.5 KiB
Groovy
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import org.gradle.internal.jvm.JavaInfo
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import org.gradle.internal.jvm.Jvm
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import org.gradle.internal.jvm.inspection.JvmInstallationMetadata
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import org.gradle.internal.jvm.inspection.JvmMetadataDetector
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import org.gradle.jvm.toolchain.internal.InstallationLocation
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/*
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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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// This adds support for compiling and testing against a different Java runtime.
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//
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// I failed to set it up leveraging Gradle's toolchains because
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// a toolchain spec is not flexible enough to provide an exact location of the JVM to be used;
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// if you have two identical JVM lang. versions in auto-discovered JVMs, an arbitrary one is used (?).
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// This situation is not uncommon when debugging low-level stuff (hand-compiled JVM binaries).
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//
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// The code below is a workaround using internal gradle classes. It may stop working in the future
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// but for now it's fine.
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JavaInfo jvmGradle = Jvm.current();
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JavaInfo jvmCurrent = {
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def runtimeJavaHome = propertyOrDefault("runtime.java.home", System.getenv('RUNTIME_JAVA_HOME'))
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if (runtimeJavaHome != null) {
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return Jvm.forHome(file(runtimeJavaHome))
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} else {
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return jvmGradle
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}
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}()
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JvmMetadataDetector jvmDetector = project.services.get(JvmMetadataDetector)
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if (jvmGradle != jvmCurrent) {
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configure(rootProject) {
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task altJvmWarning() {
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doFirst {
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def jvmInfo = { JavaInfo javaInfo ->
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JvmInstallationMetadata jvmMetadata = jvmDetector.getMetadata(new InstallationLocation(javaInfo.javaHome, "specific path"))
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return "${jvmMetadata.languageVersion} (${jvmMetadata.displayName} ${jvmMetadata.runtimeVersion}, home at: ${jvmMetadata.javaHome})"
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}
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logger.warn("""NOTE: Alternative java toolchain will be used for compilation and tests:
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Project will use ${jvmInfo(jvmCurrent)}
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Gradle runs with ${jvmInfo(jvmGradle)}
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""")
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}
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}
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}
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allprojects {
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// Any tests
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tasks.withType(Test) {
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dependsOn ":altJvmWarning"
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executable = jvmCurrent.javaExecutable
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}
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// Any javac compilation tasks
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tasks.withType(JavaCompile) {
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dependsOn ":altJvmWarning"
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options.fork = true
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options.forkOptions.javaHome = jvmCurrent.javaHome
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}
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// Javadoc compilation.
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def javadocExecutable = jvmCurrent.javadocExecutable
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tasks.matching { it.name == "renderJavadoc" || it.name == "renderSiteJavadoc" }.all {
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dependsOn ":altJvmWarning"
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executable = javadocExecutable.toString()
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}
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}
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}
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// Set up root project's properties.
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rootProject.ext.runtimeJavaExecutable = jvmCurrent.javaExecutable
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rootProject.ext.runtimeJavaHome = jvmCurrent.javaHome
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rootProject.ext.runtimeJavaVersion = jvmDetector.getMetadata(new InstallationLocation(jvmCurrent.javaHome, "specific path")).getLanguageVersion()
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rootProject.ext.usesAltJvm = (jvmGradle != jvmCurrent);
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