--- a/mercurial/vfs.py	Fri Sep 27 06:24:42 2019 +0200
+++ b/mercurial/vfs.py	Fri Sep 27 05:17:30 2019 +0200
@@ -327,6 +327,7 @@
             self.audit = (lambda path, mode=None: True)
         self.createmode = None
         self._trustnlink = None
+        self.options = {}
 
     @util.propertycache
     def _cansymlink(self):