def configuration(configuration_file=nil)
      return @configuration if @configuration
      logger.debug "getting repo_manager configuration"
      app_options = {}
      app_options[:config] = configuration_file || options[:config]
      @configuration = ::RepoManager::Settings.new(nil, app_options)
    end
def configuration(configuration_file=nil)
      return @configuration if @configuration
      logger.debug "getting repo_manager configuration"
      app_options = {}
      app_options[:config] = configuration_file || options[:config]
      @configuration = ::RepoManager::Settings.new(nil, app_options)
    end
main repo_manager configuration setttings file