val sortedContributors = contributorsToUpdate.entries.sortedBy { (it.value.name ?: it.key).lowercase() }
            val (linesBeforeContributors, _, linesAfterContributors) = parseReleaseNotes()
            releaseNotes.asFile.get().writeText(
                "${linesBeforeContributors.joinToString("\n")}\n${sortedContributors.joinToString(",\n") { "[${it.value.name ?: it.key}](https://github.com/${it.key})" }}\n\n${linesAfterContributors.joinToString("\n")}\n"

    @InputArtifact
    abstract Provider<FileSystemLocation> getArtifact()

    @Override
    void transform(TransformOutputs outputs) {
        File baselineJarsDirectory = artifact.get().asFile
        if (baselineJarsDirectory.name == 'gradle-jars') {
            baselineJarsDirectory.listFiles().each {
                outputs.file(it)
            }
        }
    }

        }
        return systemProperties
    }

    private
    fun getStudioHome(): String {
        if (autoDownloadAndroidStudio) {
            val androidStudioPath = studioInstallation.studioInstallLocation.asFile.get().absolutePath
            return "-Dstudio.home=$androidStudioPath"
        } else if (androidStudioHome.isPresent) {
            return "-Dstudio.home=${androidStudioHome.get()}"
        }

    File asciiFile = getTestFile("ascii.txt");
    File dir = asciiFile.getParentFile();
    assertTrue(Files.isDirectory().apply(dir));
    assertFalse(Files.isFile().apply(dir));

    assertFalse(Files.isDirectory().apply(asciiFile));
    assertTrue(Files.isFile().apply(asciiFile));
  }

  /** Returns a root path for the file system. */
  private static File root() {
    return File.listRoots()[0];
  }

    val name = this.name
    return incoming.files.elements.map {
        require(it.size <= 1) {
            "Expected at most one file in configuration '$name' but found: $it"
        }
        it.firstOrNull()?.asFile
    }
}

fun NamedDomainObjectProvider<Configuration>.getSingleFileProvider(): Provider<File> {
    return this.flatMap { configuration ->
        configuration.getSingleFileProvider()
    }

@DisableCachingByDefault(because = "Not worth caching")
abstract class CheckSubprojectsInfo : SubprojectsInfo() {

    @TaskAction
    fun checkSubprojectsInfo() {
        if (subprojectsJson.asFile.readText() != generateSubprojectsJson()) {
            throw GradleException(
                "New project(s) added without updating subproject JSON. Please run `:${GenerateSubprojectsInfo.TASK_NAME}` task."
            )

    @get:Internal
    abstract val distZipVersion: Property<String>

    override fun asArguments(): Iterable<String> {
        val distributionDir = gradleDistribution.homeDir.get().asFile
        return mapOf(
            "integTest.gradleHomeDir" to distributionDir,
            "integTest.gradleUserHomeDir" to absolutePathOf(gradleUserHomeDir.dir(gradleDistribution.name)),

    private final File acceptedViolationsDir
    private Map<String, String> acceptedViolations = null

    AcceptedViolationsProvider(Directory acceptedViolationsDir) {
        this.acceptedViolationsDir = acceptedViolationsDir.asFile
    }

    Map<String, String> get() {
        if (acceptedViolations == null) {
            acceptedViolations = AcceptedApiChanges.parse(
                acceptedViolationsDir.listFiles()

@DisableCachingByDefault(because = "Not worth caching")
abstract class GenerateSubprojectsInfo : SubprojectsInfo() {

    @TaskAction
    fun generateSubprojectsInfo() {
        subprojectsJson.asFile.writeText(generateSubprojectsJson())
    }

    companion object {
        internal
        const val TASK_NAME = "generateSubprojectsInfo"
    }

    }

    @Override
    public Optional<Long> sizeIfKnown() {
      if (file.isFile()) {
        return Optional.of(file.length());
      } else {
        return Optional.absent();
      }
    }

    @Override
    public long size() throws IOException {
      if (!file.isFile()) {
        throw new FileNotFoundException(file.toString());
      }
      return file.length();
    }