hgext/rebase.py

--- a/hgext/rebase.py	Wed Nov 11 15:08:08 2015 -0600
+++ b/hgext/rebase.py	Sun Nov 08 17:56:48 2015 -0500
@@ -48,6 +48,9 @@
     s = ctx.extra().get('source', None)
     if s is not None:
         extra['source'] = s
+    s = ctx.extra().get('intermediate-source', None)
+    if s is not None:
+        extra['intermediate-source'] = s
 
 def _savebranch(ctx, extra):
     extra['branch'] = ctx.branch()