--- a/mercurial/repair.py	Tue May 30 20:48:43 2017 -0400
+++ b/mercurial/repair.py	Sat May 20 15:06:10 2017 +0200
@@ -49,7 +49,7 @@
         bundletype = "HG10UN"
 
     outgoing = discovery.outgoing(repo, missingroots=bases, missingheads=heads)
-    contentopts = {'cg.version': cgversion}
+    contentopts = {'cg.version': cgversion, 'obsolescence': True}
     return bundle2.writenewbundle(repo.ui, repo, 'strip', name, bundletype,
                                   outgoing, contentopts, vfs, compression=comp)