}

        if (downloadMonitor != null) {
            wagon.addTransferListener(downloadMonitor);
        }

        File temp = new File(destination + ".tmp");

        temp.deleteOnExit();

        boolean downloaded = false;

        try {
            connectWagon(wagon, repository);

            boolean firstRun = true;

                    // will not trample each other plus workaround for JENKINS-52657
                    dir(isUnix() ? 'test' : "c:\\mvn-it-${EXECUTOR_NUMBER}.tmp") {
                        def WORK_DIR=pwd()
                        try {
                            dir ('maven') {
                                checkout scm

    }

    @Override
    public Optional<byte[]> getBytes(URI relativeSource) {
        try {
            Path tempPath = null;
            try {
                tempPath = Files.createTempFile("transport-get", "tmp");
                if (get(relativeSource, tempPath)) {
                    // TODO: check file size and prevent OOM?
                    return Optional.of(Files.readAllBytes(tempPath));
                }

synchronized class TemporaryFolder extends ExternalResource { private final java.io.File parentFolder; private final boolean assureDeletion; private java.io.File folder; private static final int TEMP_DIR_ATTEMPTS = 10000; private static final String TMP_PREFIX = junit; public void TemporaryFolder(); public void TemporaryFolder(java.io.File); protected void TemporaryFolder(TemporaryFolder$Builder); public static TemporaryFolder$Builder builder(); protected void before() throws Throwable; protected void...