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

        }
        if (testProjects.isNotEmpty()) {
            steps {
                preBuildSteps()
                killProcessStep(buildTypeThis, KILL_ALL_GRADLE_PROCESSES, os)
                substDirOnWindows(os)

                repeat(if (performanceTestBuildSpec.type == PerformanceTestType.flakinessDetection) 2 else 1) { repeatIndex: Int ->

            StageName.QUICK_FEEDBACK,
            StageName.PULL_REQUEST_FEEDBACK,
            StageName.READY_FOR_NIGHTLY,
        )
    }.flatMap { it.functionalTests }.filter { it.os == os }

    if (os == Os.LINUX) {
        steps {
            script {
                // Because we exclude tests in `distributions-integ-tests` below, `@Flaky` won't work in that subproject.

        val expectedInstallationPaths = if (os == Os.WINDOWS) windowsPaths else linuxPaths