diff -r f06c86fd2ffd -r 87b83a3e0392 tests/test-evolve-cycles.t
--- a/tests/test-evolve-cycles.t	Fri Oct 20 21:29:14 2017 +0200
+++ b/tests/test-evolve-cycles.t	Fri Oct 20 17:23:12 2017 +0200
@@ -62,19 +62,19 @@
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 1:2a34000d3544
+  |  obsolete:    rewritten as 2a34000d3544
   |  summary:     C
   |
   x  changeset:   2:c473644ee0e9
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 3:a8df460dbbfe
+  |  obsolete:    rewritten as a8df460dbbfe
   |  summary:     B
   |
   @  changeset:   1:2a34000d3544
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 2:c473644ee0e9
+  |  obsolete:    rewritten as c473644ee0e9
   |  summary:     A
   |
   o  changeset:   0:ea207398892e
@@ -207,37 +207,37 @@
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 4:868d2e0eb19c
+  |  obsolete:    rewritten as 868d2e0eb19c
   |  summary:     F
   |
   x  changeset:   5:0da815c333f6
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 6:d9f908fde1a1
+  |  obsolete:    rewritten as d9f908fde1a1
   |  summary:     E
   |
   @  changeset:   4:868d2e0eb19c
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 5:0da815c333f6
+  |  obsolete:    rewritten as 0da815c333f6
   |  summary:     D
   |
   x  changeset:   3:a8df460dbbfe
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    split as 1:2a34000d3544, 4:868d2e0eb19c
+  |  obsolete:    split as 2a34000d3544, 868d2e0eb19c
   |  summary:     C
   |
   x  changeset:   2:c473644ee0e9
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 3:a8df460dbbfe
+  |  obsolete:    rewritten as a8df460dbbfe
   |  summary:     B
   |
   x  changeset:   1:2a34000d3544
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
-  |  obsolete:    rewritten as 2:c473644ee0e9
+  |  obsolete:    rewritten as c473644ee0e9
   |  summary:     A
   |
   o  changeset:   0:ea207398892e