     name: null
     branch: "unknown"
     previous: null
+    previous_successful_build: null
     retry_of: null
     subject: null
     parallel: null


    last? and not (last.type() == action.type())

  urlForBuildNum: (num) =>
    "#{@project_path()}/#{num}"


          # build was canceled from the queue
          "canceled"
        else if @start_time()
          duration_millis = @updatingDuration(@start_time())
          CI.time.as_duration(duration_millis) + @estimated_time(duration_millis)

    # don't try to show queue information if the build is pre-usage_queue
    @show_queued_p = @komp =>
