--- a/mercurial/revlog.py	Tue Nov 15 16:25:23 2022 +0100
+++ b/mercurial/revlog.py	Mon Oct 17 22:19:43 2022 +0200
@@ -2640,6 +2640,7 @@
         alwayscache=False,
         addrevisioncb=None,
         duplicaterevisioncb=None,
+        debug_info=None,
     ):
         """
         add a delta group
@@ -2665,6 +2666,7 @@
                 deltacomputer = deltautil.deltacomputer(
                     self,
                     write_debug=write_debug,
+                    debug_info=debug_info,
                 )
                 # loop through our set of deltas
                 for data in deltas: