diff --git a/tests/test-undo.t b/tests/test-undo.t
--- a/tests/test-undo.t
+++ b/tests/test-undo.t
@@ -24,18 +24,18 @@
   $ hg book feature2
   $ touch d && hg add d && hg ci -md
   $ hg debugindex .hg/undolog/command.i
-     rev    offset  length  delta linkrev nodeid       p1           p2
-       0         0       0     -1       1 b80de5d13875 000000000000 000000000000
-       1         0      12     -1       1 440cdcef588f 000000000000 000000000000
-       2        12       8     -1       1 86fddc37572c 000000000000 000000000000
-       3        20       8     -1       1 388d40a434df 000000000000 000000000000
-       4        28      14     -1       1 1cafbfad488a 000000000000 000000000000
-       5        42       7     -1       1 8879b3bd818b 000000000000 000000000000
-       6        49      13     -1       1 b0f66da09921 000000000000 000000000000
-       7        62       8     -1       1 004b7198dafe 000000000000 000000000000
-       8        70       8     -1       1 60920018c706 000000000000 000000000000
-       9        78      14     -1       1 c3e212568400 000000000000 000000000000
-      10        92       7     -1       1 9d609b5b001c 000000000000 000000000000
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0       0      0       1 b80de5d13875 000000000000 000000000000
+       1         0      12      1       1 440cdcef588f 000000000000 000000000000
+       2        12       8      2       1 86fddc37572c 000000000000 000000000000
+       3        20       8      3       1 388d40a434df 000000000000 000000000000
+       4        28      14      4       1 1cafbfad488a 000000000000 000000000000
+       5        42       7      5       1 8879b3bd818b 000000000000 000000000000
+       6        49      13      6       1 b0f66da09921 000000000000 000000000000
+       7        62       8      7       1 004b7198dafe 000000000000 000000000000
+       8        70       8      8       1 60920018c706 000000000000 000000000000
+       9        78      14      9       1 c3e212568400 000000000000 000000000000
+      10        92       7     10       1 9d609b5b001c 000000000000 000000000000
   $ hg debugdata .hg/undolog/command.i 0
   $ hg debugdata .hg/undolog/command.i 1
   book\x00master (no-eol) (esc)