diff -r 95d84c8b4bcc -r f355bbc124fc tests/test-exchange-C2.t
--- a/tests/test-exchange-C2.t	Fri Aug 15 16:39:42 2014 -0700
+++ b/tests/test-exchange-C2.t	Fri Aug 15 17:07:55 2014 -0700
@@ -53,8 +53,8 @@
   o  a9bdc8b26820 (public): O
   
   $ hg debugobsolete
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   $ cd ..
   $ cd ..
 
@@ -69,8 +69,8 @@
   # testing echange of "A1" (e5ea8f9c7314)
   ## initial state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
   # obstore: pulldest
   ## pushing "A1" from main to pushdest
@@ -86,11 +86,11 @@
   OBSEXC: DONE
   ## post push state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pulldest
   ## pulling "e5ea8f9c7314" from main into pulldest
   pulling from main
@@ -106,14 +106,14 @@
   (run 'hg update' to get a working copy)
   ## post pull state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pulldest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
 
 Actual Test (bare push)
 -------------------------------------
@@ -122,8 +122,8 @@
   ## Running testcase C.2.b
   ## initial state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
   # obstore: pulldest
   ## pushing from main to pushdest
@@ -139,11 +139,11 @@
   OBSEXC: DONE
   ## post push state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pulldest
   ## pulling from main into pulldest
   pulling from main
@@ -159,11 +159,11 @@
   (run 'hg update' to get a working copy)
   ## post pull state
   # obstore: main
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pushdest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
   # obstore: pulldest
-  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 {'date': '0 0', 'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
+  06055a7959d4128e6e3bccfd01482e83a2db8a3a 0 (Thu Jan 01 00:00:00 1970 +0000) {'p1': '28b51eb45704506b5c603decd6bf7ac5e0f6a52f', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}