/
EagerDestinationDirModificationFixPlugin.kt
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/
EagerDestinationDirModificationFixPlugin.kt
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/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright 2019 Tomasz Linkowski.
*
* Licensed 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.
*/
package pl.tlinkowski.gradle.my.superpom.internal.plugin
import org.gradle.api.Project
import org.gradle.api.tasks.compile.JavaCompile
import org.gradle.kotlin.dsl.*
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
import pl.tlinkowski.gradle.my.superpom.shared.internal.plugin.AbstractRootPlugin
/**
* Fixes too eager modification of `compileJava.destinationDir`. This modification should be performed only
* for Kotlin-only project (i.e. when `compileKotlin` has some sources), but - currently - it's performed always.
*
* This breaks in a scenario when Kotlin is used for tests only, as happens in this plugin.
*
* The original modification can be found in `org.javamodularity.moduleplugin` - `CompileJavaTaskMutator.java:57`.
*
* TODO: Remove this as soon as it's fixed in `org.javamodularity.moduleplugin`
*
* @author Tomasz Linkowski
*/
internal class EagerDestinationDirModificationFixPlugin : AbstractRootPlugin() {
override fun Project.configureRootProject() {
subprojects {
afterEvaluate {
tasks {
configureTasks()
}
}
}
}
private fun TaskContainerScope.configureTasks() {
val mutatedJavaCompileName = "compileModuleInfoJava".takeIf { findByName(it) != null } ?: "compileJava"
named<JavaCompile>(mutatedJavaCompileName) {
if (hasNoMainKotlinSources()) {
doFirst {
val compileKotlin by getting(KotlinCompile::class)
assert(destinationDir == compileKotlin.destinationDir) { "Redundant fix - remove!" }
fixDestinationDir()
logger.info("Fixed {}.destinationDir = {}", name, destinationDir)
}
}
}
}
private fun JavaCompile.hasNoMainKotlinSources() = project.fileTree("src/main/kotlin").isEmpty
private fun JavaCompile.fixDestinationDir() {
destinationDir = project.buildDir.resolve("classes/java/main")
}
}