configitems: register the 'server.bundle1gd' config

mercurial/configitems.py

@@ -116,6 +116,9 b" coreconfigitem('patch', 'fuzz',"
 coreconfigitem('server', 'bundle1',
     default=True,
 )
+coreconfigitem('server', 'bundle1gd',
+    default=None,
+)
 coreconfigitem('ui', 'clonebundleprefers',
     default=list,
 )

mercurial/wireproto.py

@@ -604,7 +604,7 b' def bundle1allowed(repo, action):'
         return v
 
     if gd:
-        v = ui.configbool('server', 'bundle1gd', None)
+        v = ui.configbool('server', 'bundle1gd')
         if v is not None:
             return v