import java.io.ByteArrayOutputStream
import java.io.File


/**
 * `dir / "sub"` is the same as `dir.resolve("sub")`.
 *
 * @see [File.resolve]
 */
operator fun File.div(child: String): File =
    resolve(child)


fun Project.execAndGetStdout(workingDir: File, ignoreExitValue: Boolean, vararg args: String): String {
    val out = ByteArrayOutputStream()
    exec {
        isIgnoreExitValue = ignoreExitValue

private
fun scriptsCacheDirsUnder(cacheDir: File) =
    scriptCacheDirNames
        .map { File(cacheDir, it) }
        .filter { it.isDirectory }


/**
 * Clean up cache files for older versions that aren't multi-process safe.
 */
fun FileSystemOperations.removeDodgyCacheFiles(dir: Directory) {
    if (dir.asFile.isDirectory) {

import kotlinx.metadata.jvm.signature
import java.util.function.Supplier


internal
fun KotlinClassMetadata.hasKotlinFlag(memberType: MemberType, jvmSignature: String, flag: Flag): Boolean =
    hasKotlinFlags(memberType, jvmSignature) { flags ->
        flag(flags)
    }


private
fun KotlinClassMetadata.hasKotlinFlags(memberType: MemberType, jvmSignature: String, predicate: (Flags) -> Boolean): Boolean =

        )
    }

    @Test
    fun `promotion sanity check runs 'gradle tasks'`() {
        val model = setupModelFor("release")

        val sanityCheck = model.findBuildTypeByName("SanityCheck")
        val steps = sanityCheck.steps.items
        val gradleBuildStep = gradleStep(steps, 0)
        gradleBuildStep.assertTasks("tasks")
    }

    @Test

        }
    }

    private
    val TestCoverage.isCrossVersionTest
        get() = testType in setOf(TestType.allVersionsCrossVersion, TestType.quickFeedbackCrossVersion)

    private
    fun createPerformanceTests(model: CIBuildModel, performanceTestBucketProvider: PerformanceTestBucketProvider, stage: Stage, performanceTestCoverage: PerformanceTestCoverage): PerformanceTestsPass {

import java.text.SimpleDateFormat
import java.util.Date
import java.util.TimeZone


data class ReleasedVersion(val version: String, val buildTime: String) {
    fun gradleVersion() = GradleVersion.version(version)
    fun buildTimeStamp(): Date = SimpleDateFormat("yyyyMMddHHmmssZ").apply { timeZone = TimeZone.getTimeZone("UTC") }.parse(buildTime)

fun executerRequiresFullDistribution(taskName: String) =
    taskName.startsWith("noDaemon")

fun DistributionTest.addSetUpAndTearDownActions() {
    cachesCleaner = cachesCleanerService
    gradle.rootBuild().sharedServices.registrations.findByName("daemonTracker")?.let {
        tracker = it.service
    }
}

fun DistributionTest.configureGradleTestEnvironment() {

    )

    @BeforeEach
    fun setUp() {
        val stepsCapturer = slot<BuildSteps.() -> Unit>()
        every { buildType.steps } returns steps
        every {
            buildType.steps(capture(stepsCapturer))
        } answers {
            stepsCapturer.captured(steps)
            mockk()
        }
    }

    @Test
    fun `can apply defaults to configurations`() {

        store(versionProperties)
    }

    private
    fun store(properties: Properties) {
        PropertiesUtils.store(
            properties, libraryVersionFile.get().asFile,
            "Generated file, please do not edit - Version values used in build-init templates",
            Charsets.ISO_8859_1, "\n"
        )
    }

    private
    fun findLatest(name: String, notation: String, dest: Properties) {

    protected
    fun sortChanges(originalChanges: List<AcceptedApiChange>) = originalChanges.toMutableList().sortedBy { it.type + '#' + it.member }

    @VisibleForTesting
    data class AcceptedApiChange(
        val type: String?,
        val member: String?,
        val acceptation: String?,
        val changes: List<String>?
    ) {
        override fun toString(): String = "Type: '$type', Member: '$member'"