if (!oldNullability && newNullability) {
                    errors << "From non-nullable to nullable breaking change"
                } else if (oldNullability && !newNullability) {
                    warnings << "Nullability changed from nullable to non-nullable"
                }
            } else if (oldNullability != newNullability) {
                errors << "Nullability breaking change"
            }

    REPO=$dir
    if [ -e ${'$'}REPO ] ; then
        tree ${'$'}REPO
        rm -rf ${'$'}REPO
        echo "${'$'}REPO was polluted during the build"
        ${if (exitOnFailure) "exit 1" else ""}
    else
        echo "${'$'}REPO does not exist"
    fi

""".trimIndent()

fun checkCleanDirWindows(dir: String, exitOnFailure: Boolean = true) = """
    IF exist $dir (
        TREE $dir

 * e.g https://github.com/gradle/gradle/pull/25825
 *
 * This script is to check if there is any merge commit that brings changes from release branch to master.
 * Usage: groovy CheckBadMerge.groovy <commit1> <commit2> ...
 * If any "bad" merge commit is found, it will print the details and exit with non-zero code.
 */
class CheckBadMerge {

# Each automation has an `if` key that defines conditions to run the automation,
# as well as a `run` key with the actions to do. All the conditions need to be true
# for the actions to run (there is an implicit AND relation between
# the conditions on each line).  Each condition is specified as a Jinja expression.  You
# can also use the constant `true` if you want to always run the actions.

        if (!milestone.isPresent) {
            throw IllegalStateException("Milestone not set: please rerun the task with `--milestone <milestone>`")
        }
        val prs: MutableList<GitHubPullRequest> = mutableListOf()
        (1..10).forEach { page ->
            val prPage = getMergedContributorPullRequests(page)
            prs.addAll(prPage)
            if (prPage.size < pageSize) {

            else -> throw IllegalArgumentException("Expected ResolvedDependencyResult")
        }

        if (dependency.isConstraint) {
            continue
        }

        val to = dependency.resolvedVariant

        when (val fromComponent = dependency.from.id) {
            is ProjectComponentIdentifier -> if (fromComponent != rootComponent.id) {

            allowEmpty = true,
            description = "Set to 'true' if you want to skip all dependency builds"
        )
    }

    var prevStage: Stage? = null
    val previousPerformanceTestPasses: MutableList<PerformanceTestsPass> = mutableListOf()
    model.stages.forEach { stage ->
        if (isSecurityFork() && stage.stageName > StageName.READY_FOR_RELEASE) {
            return@forEach
        }

        tracker = it.service
    }
}

fun DistributionTest.configureGradleTestEnvironment() {
    val taskName = name

    gradleInstallationForTest.apply {
        if (executerRequiresDistribution(taskName)) {
            gradleHomeDir = if (executerRequiresFullDistribution(taskName)) {
                configurations["${prefix}TestFullDistributionRuntimeClasspath"]
            } else {

    get() = propertyFromAnySource(STUDIO_HOME)


/**
 * If set to `true`, run docs tests with the configuration cache enabled.
 */
val Project.configurationCacheEnabledForDocsTests: Boolean
    @JvmName("isConfigurationCacheEnabledForDocsTests") get() = gradleProperty(ENABLE_CONFIGURATION_CACHE_FOR_DOCS_TESTS).orNull.toBoolean()


/**

type test-splits\$action-test-classes.properties
"""

    return {
        script {
            name = "PREPARE_TEST_CLASSES"
            executionMode = BuildStep.ExecutionMode.ALWAYS
            scriptContent = if (os == Os.WINDOWS) windowsScript else unixScript
        }
    }
}

fun asDocsTestId(model: CIBuildModel, os: Os): String {
    return "${model.projectId}_DocsTest_${os.asName()}"
}

class DocsTestProject(