repoview: move changelog.node() override to filteredchangelog

Differential Revision: https://phab.mercurial-scm.org/D7244

mercurial/changelog.py

@@ -404,12 +404,6 b' class changelog(revlog.revlog):'
         self.filteredrevs = frozenset()
         self._copiesstorage = opener.options.get(b'copies-storage')
 
-    def node(self, rev):
-        """filtered version of revlog.node"""
-        if rev in self.filteredrevs:
-            raise error.FilteredIndexError(rev)
-        return super(changelog, self).node(rev)
-
     def linkrev(self, rev):
         """filtered version of revlog.linkrev"""
         if rev in self.filteredrevs:

mercurial/repoview.py

@@ -307,6 +307,12 b' def wrapchangelog(unfichangelog, filtere'
                 )
             return r
 
+        def node(self, rev):
+            """filtered version of revlog.node"""
+            if rev in self.filteredrevs:
+                raise error.FilteredIndexError(rev)
+            return super(filteredchangelog, self).node(rev)
+
     cl.__class__ = filteredchangelog
 
     return cl