void processChanges(InputChanges changes) {
                    outputDir.file("output.txt").get().asFile.text = input.get()
                }
            }

            task incremental(type: IncrementalTask) {
                sources = file("sources")
                input = providers.systemProperty("outputDir")
                outputDir = file("build/\${input.get()}")
            }
        """

        File outputDir;
        if (crossVersion) {
            String version = ((GradleBuildExperimentSpec) spec).getInvocation().getGradleDistribution().getVersion().getVersion();
            outputDir = new File(outputDirSelector.outputDirFor(testId), version);
        } else {

                def outputDir = file("build/dir1").toPath()
                inputs.file(inputFile)
                inputs.dir(inputDir)
                outputs.file(outputFile)
                outputs.dir(outputDir)
                doLast {
                    Files.createDirectories(outputFile.parent)
                    Files.createDirectories(outputDir)

    val unpackKotlinJsStdlib by registering {
        group = "build"
        description = "Unpack the Kotlin JavaScript standard library"
        val outputDir = file("$buildDir/$name")
        inputs.property("compileClasspath", configurations.compileClasspath.get())
        outputs.dir(outputDir)
        doLast {
            val kotlinStdLibJar = configurations.compileClasspath.get().single {

        def sourceDir = "src"
        file(sourceDir).createDir()
        def outputDir = "build/output"

        buildFile """
            task firstTask {
                inputs.dir("${sourceDir}")
                def outputDir = file("${outputDir}")
                outputs.dir(outputDir)
                doLast {
                    new File(outputDir, "source").text = "fixed"
                }
            }

                    File outputFile = new File(outputDir, "out-" + index + ".txt");
                    workerConfiguration.setParams(index, outputFile);
                }
            });
        }
    }

    @OutputDirectory
    public File getOutputDir() {
        return outputDir;
    }

    @Input
    public int getOutputSize() {
        return outputSize;
    }

        def projectName = args[0]
        def outputDir = new File(args[1])

        JavaTestProjectGenerator project = JavaTestProjectGenerator.values().find { it.projectName == projectName }
        if (project == null) {
            throw new IllegalArgumentException("Project not defined: $projectName")
        }
        def projectDir = new File(outputDir, projectName)

        isTransformed("changing-1.2.jar", "changing-1.2.jar.txt")
        isTransformed("snapshot-1.2-SNAPSHOT.jar", "snapshot-1.2-SNAPSHOT.jar.txt")
        def outputDir1 = outputDir("changing-1.2.jar", "changing-1.2.jar.txt")
        def outputDir2 = outputDir("snapshot-1.2-SNAPSHOT.jar", "snapshot-1.2-SNAPSHOT.jar.txt")

        when:
        // No changes
        server.resetExpectations()
        m1.pom.expectHead()

        touch(task.outputDirs.get(0).getParentFile())

        when:
        execute(task)

        then:
        def e = thrown WorkValidationException
        validateException(task, e, cannotWriteToDir {
            property('outputDirs')
                .dir(task.outputDirs[0])
                .ancestorIsNotDirectory(task.outputDirs[0].parentFile)
                .includeLink()

    private File inputDir
    private File outputDir

    @InputDirectory
    public File getInputDir() {
        return inputDir
    }

    public void setInputDir(File inputDir) {
        this.inputDir = inputDir
    }

    @OutputDirectory
    public File getOutputDir() {
        return outputDir
    }

    public void setOutputDir(File outputDir) {
        this.outputDir = outputDir
    }