rawdata: forward `rawdata` call on `manifestlog`

This needs to be sent to the underlying `revlog` too.

mercurial/manifest.py

@@ -1620,6 +1620,9 b' class manifestrevlog(object):'
     def revision(self, node, _df=None, raw=False):
         return self._revlog.revision(node, _df=_df, raw=raw)
 
+    def rawdata(self, node, _df=None):
+        return self._revlog.rawdata(node, _df=_df)
+
     def revdiff(self, rev1, rev2):
         return self._revlog.revdiff(rev1, rev2)
 

mercurial/repository.py

@@ -1164,6 +1164,9 b' class imanifeststorage(interfaceutil.Int'
     def revision(node, _df=None, raw=False):
         """Obtain fulltext data for a node."""
 
+    def rawdata(node, _df=None):
+        """Obtain raw data for a node."""
+
     def revdiff(rev1, rev2):
         """Obtain a delta between two revision numbers.