--- a/tests/test-exchange-A5.t	Fri Mar 24 09:42:39 2017 +0100
+++ b/tests/test-exchange-A5.t	Fri Mar 24 09:49:03 2017 +0100
@@ -75,7 +75,7 @@
   6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 fd3e5712c9c2d216547d7a1b87ac815ee1fb7542
   f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 91716bfd671b5a5854a47ac5d392edfdd25e431a
   8c0a98c8372212c6efde4bfdcef006f27ff759d3 6e8c8c71c47a2bfc27c7cf2b1f4174977ede9f21
-  $ hg debugobshashrange --rev 'head()'
+  $ hg debugobshashrange --subranges --rev 'head()'
            rev         node        index         size        depth      obshash
              4 8c0a98c83722            0            3            3 70185b996296
              3 f6298a8ac3a4            0            2            2 91716bfd671b