Merge with crew-stable

hgext/convert/filemap.py

@@ -129,6 +129,12 b' class filemap_source(converter_source):'
         self.children = {}
         self.seenchildren = {}
 
+    def before(self):
+        self.base.before()
+
+    def after(self):
+        self.base.after()
+
     def setrevmap(self, revmap):
         # rebuild our state to make things restartable
         #