* @return
     */
    @Override
    TestFile getGradleHomeDir() {
        TestFile superGradleHome = super.getGradleHomeDir()

        if (!superGradleHome.isDirectory() || superGradleHome.listFiles({ it.isDirectory() } as FileFilter).size() == 0) {
            super.binDistribution.usingNativeTools().unzipTo(superGradleHome)
        }
        return new TestFile(superGradleHome.listFiles({ it.isDirectory() } as FileFilter).first())

    }

    def "overlapping output with localStateFileTask, dirTask then localStateFileTask, dirTask"() {
        def (String localStateFileTask, TestFile localStateFileTaskOutput, TestFile localStateFileTaskState,
        String dirTask, TestFile dirTaskOutput) = useOverlappingLocalStateFileAndOutputDirectory()

        when:
        withBuildCache().run(localStateFileTask, dirTask)
        then:

    class PluginBuildFixture {
        final String buildName
        final String settingsPluginId
        final String projectPluginId

        final TestFile settingsFile
        final TestFile buildFile

        final TestFile settingsPluginFile
        final TestFile projectPluginFile

        PluginBuildFixture(String buildName, boolean useKotlinDSL) {
            def fileExtension = useKotlinDSL ? '.gradle.kts' : '.gradle'

        addPluginBuildFile(pluginProjectDir, group, version, artifact)

        executer.inDirectory(pluginProjectDir).withTasks("publishAllPublicationsToRepoRepository").run()
    }

    private TestFile addPluginBuildFile(TestFile pluginProjectDir, String group, String version, String artifact) {
        pluginProjectDir.file("build.gradle") <<
            """
                apply plugin: 'java-gradle-plugin'

        MinimalFileTree tree = tree("file.txt", action);

        assertVisits(tree, toList("file.txt"), Collections.<String>emptyList());

        TestFile file = rootDir.file("file.txt");

        file.assertContents(equalTo("content"));
        file.makeOlder();
        TestFile.Snapshot snapshot = file.snapshot();

        assertVisits(tree, toList("file.txt"), Collections.<String>emptyList());

import org.gradle.internal.os.OperatingSystem
import org.gradle.test.fixtures.file.ExecOutput
import org.gradle.test.fixtures.file.TestFile

class NativeInstallationFixture {
    private final TestFile installDir
    private final OperatingSystem os

    NativeInstallationFixture(TestFile installDir, OperatingSystem os) {
        this.installDir = installDir
        this.os = os
    }

    ExecOutput exec(Object... args) {

    private final AvailableToolChains.InstalledToolChain toolChain;
    private TestFile workingDir;
    private String projectName;

    public MSBuildExecutor(TestFile workingDir, AvailableToolChains.InstalledToolChain toolChain) {
        this.workingDir = workingDir;
        this.toolChain = toolChain;
    }

    public MSBuildExecutor withWorkingDir(TestFile workingDir) {
        this.workingDir = workingDir;
        return this;
    }

    }

    @Override
    TestFile getMd5File() {
        backingModule.getMd5File(file)
    }

    @Override
    protected TestFile getSha256File() {
        backingModule.getSha256File(file)
    }

    @Override
    protected TestFile getSha512File() {
        backingModule.getSha512File(file)
    }

    @Override
    TestFile getFile() {
        return backingModule.pomFile
    }

    @Override

import org.gradle.test.fixtures.file.TestFile
import org.gradle.testfixtures.internal.NativeServicesTestFixture

import static org.junit.Assert.assertFalse
import static org.junit.Assert.assertTrue

abstract class DeleteIntegrationTest extends AbstractIntegrationSpec {
    private TestFile orig
    private TestFile keep
    private TestFile subject
    private TestFile remove
    private TestFile link

        )
    }

    static class GradleDistDirs {
        private final TestFile cacheDir
        private final TestFile distDir
        private final TestFile customDistDir

        GradleDistDirs(TestFile cacheDir, TestFile distDir, TestFile customDistDir) {
            this.cacheDir = cacheDir
            this.distDir = distDir
            this.customDistDir = customDistDir