--- a/mercurial/bundlerepo.py	Tue Apr 03 18:20:10 2018 -0700
+++ b/mercurial/bundlerepo.py	Tue Apr 03 13:16:12 2018 -0700
@@ -420,7 +420,7 @@
             linkmapper = self.unfiltered().changelog.rev
             return bundlefilelog(self.svfs, f, self._cgunpacker, linkmapper)
         else:
-            return filelog.filelog(self.svfs, f)
+            return super(bundlerepository, self).file(f)
 
     def close(self):
         """Close assigned bundle file immediately."""