anchor.diff:          }
         }
       });
  +
  +    if (_runningOnBuildbot) {
  +      print("========");
  +    }
     }
   
     /// Sort all the events in a batch into sets based on their path.
  
positive.code:             if (entity is Directory) return;
              _emitEvent(ChangeType.ADD, entity.path);
              _files.add(entity.path);
            }, onError: _emitError, cancelOnError: true);
          } else if (event is FileSystemModifyEvent) {
            assert(!event.isDirectory);
            _emitEvent(ChangeType.MODIFY, path);
  
negative.code:     // probably comes from FSEvents reporting an add that happened prior to the
      // watch beginning.
      if (type == ChangeType.ADD && _files.contains(path)) return;
  
      if (_runningOnBuildbot) {
        print("emitting $type ${p.relative(path, from: directory)}");
      }
  
      _eventsController.add(new WatchEvent(type, path));
    }
  