# Ernie control-center Breakout::Control::Subversion

  # TODO: move this method to Breakout::Control::BaseTool.
  def ftp_deploy
    # TODO: create a method in BaseTool which initializes proper class:
    # Either Git::ExportChangedFiles or Svn::ExportChangedFiles.
    @export = Svn::ExportChangedFiles.new(repositories_dir,
                                          settings[:dir_name],
                                          settings[:last_revision],
                                          settings[:revision_to],
                                          settings[:repository_path])

    @export.dump()
    @removed_data = @export.deleted_dirs + @export.deleted_files
    @script = UploadScript.new(self.settings, @removed_data, @export.tmp_dir)

    @@queue ||= Queue.new
    @@queue << @script
    @@threads ||= SizedQueue.new MAX_THREADS

    @@threads << :x # This will prevent creating another thread if MAX_THREADS are already running.
    thread = Thread.new do
      script = @@queue.pop
      `lftp -c "#{script.to_s}"`
      # TODO: Inspect return value.
      # TODO: Publish to events queue about results.
      FileUtils.remove_entry_secure(script.tmp_dir)
      # Thread has finished executing.
      @@threads.pop
    end
    thread.join
  end