diff -r d938808e31bc -r 2823c82ad8a4 tests/test-evolve-obshistory.t
--- a/tests/test-evolve-obshistory.t	Tue Dec 19 13:15:00 2017 -0600
+++ b/tests/test-evolve-obshistory.t	Sun Mar 04 11:34:49 2018 -0500
@@ -55,7 +55,7 @@
   @  4ae3a4151de9 (2) A1
   |
   x  471f378eab4c (1) A0
-       rewritten(description, content) as 4ae3a4151de9 by test (*) (glob)
+       rewritten(description, content) as 4ae3a4151de9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 4ae3a4151de9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -77,7 +77,7 @@
   @  [evolve.node|4ae3a4151de9] [evolve.rev|(2)] [evolve.short_description|A1]
   |
   x  [evolve.node|471f378eab4c] [evolve.rev|(1)] [evolve.short_description|A0]
-       [evolve.verb|rewritten](description, content) as [evolve.node|4ae3a4151de9] by [evolve.user|test] [evolve.date|(Thu Jan 01 00:00:00 1970 +0000)]
+       [evolve.verb|rewritten](description, content) as [evolve.node|4ae3a4151de9] using [evolve.operation|amend] by [evolve.user|test] [evolve.date|(Thu Jan 01 00:00:00 1970 +0000)]
          [diff.diffline|diff -r 471f378eab4c -r 4ae3a4151de9 changeset-description]
          [diff.file_a|--- a/changeset-description]
          [diff.file_b|+++ b/changeset-description]
@@ -99,7 +99,7 @@
   $ hg obslog --no-graph --patch 4ae3a4151de9
   4ae3a4151de9 (2) A1
   471f378eab4c (1) A0
-    rewritten(description, content) as 4ae3a4151de9 by test (Thu Jan 01 00:00:00 1970 +0000)
+    rewritten(description, content) as 4ae3a4151de9 using amend by test (Thu Jan 01 00:00:00 1970 +0000)
       diff -r 471f378eab4c -r 4ae3a4151de9 changeset-description
       --- a/changeset-description
       +++ b/changeset-description
@@ -141,6 +141,7 @@
                       "description",
                       "content"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "4ae3a4151de9"
                   ],
@@ -155,7 +156,7 @@
   ]
   $ hg obslog --hidden --patch 471f378eab4c
   x  471f378eab4c (1) A0
-       rewritten(description, content) as 4ae3a4151de9 by test (*) (glob)
+       rewritten(description, content) as 4ae3a4151de9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 4ae3a4151de9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -186,6 +187,7 @@
                       *, (glob)
                       "content"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "4ae3a4151de9"
                   ],
@@ -1093,7 +1095,7 @@
 Check that debugobshistory on the divergent revision show both destinations
   $ hg obslog --hidden 471f378eab4c --patch
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1101,7 +1103,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1118,7 +1120,7 @@
   | *  fdf9bde5129a (2) A1
   |/
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1126,7 +1128,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1147,6 +1149,7 @@
                   "effect": [
                       "description"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "65b757b745b9"
                   ],
@@ -1161,6 +1164,7 @@
                   "effect": [
                       "description"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "fdf9bde5129a"
                   ],
@@ -1179,7 +1183,7 @@
   *  fdf9bde5129a (2) A1
   |
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1187,7 +1191,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1204,7 +1208,7 @@
   | *  fdf9bde5129a (2) A1
   |/
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1212,7 +1216,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1227,7 +1231,7 @@
   @  65b757b745b9 (3) A2
   |
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1235,7 +1239,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1251,7 +1255,7 @@
   | *  fdf9bde5129a (2) A1
   |/
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1259,7 +1263,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1276,7 +1280,7 @@
   | *  fdf9bde5129a (2) A1
   |/
   x  471f378eab4c (1) A0
-       rewritten(description) as 65b757b745b9 by test (*) (glob)
+       rewritten(description) as 65b757b745b9 using amend by test (*) (glob)
          diff -r 471f378eab4c -r 65b757b745b9 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1284,7 +1288,7 @@
          -A0
          +A2
   
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1311,6 +1315,7 @@
                   "effect": [
                       "description"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "65b757b745b9"
                   ],
@@ -1325,6 +1330,7 @@
                   "effect": [
                       "description"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "fdf9bde5129a"
                   ],
@@ -1453,7 +1459,7 @@
   |      (No patch available, changesets rebased)
   |
   x  0dec01379d3b (2) B0
-       rewritten(description) as b7ea6d14e664 by test (*) (glob)
+       rewritten(description) as b7ea6d14e664 using amend by test (*) (glob)
          diff -r 0dec01379d3b -r b7ea6d14e664 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1487,7 +1493,7 @@
   |      (No patch available, changesets rebased)
   |
   x  0dec01379d3b (2) B0
-       rewritten(description) as b7ea6d14e664 by test (*) (glob)
+       rewritten(description) as b7ea6d14e664 using amend by test (*) (glob)
          diff -r 0dec01379d3b -r b7ea6d14e664 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1537,6 +1543,7 @@
                   "effect": [
                       "description"
                   ],
+                  "operation": "amend",
                   "succnodes": [
                       "b7ea6d14e664"
                   ],
@@ -1666,7 +1673,7 @@
   @  7a230b46bf61 (3) A2
   |
   x  fdf9bde5129a (2) A1
-  |    rewritten(description) as 7a230b46bf61 by test (*) (glob)
+  |    rewritten(description) as 7a230b46bf61 using amend by test (*) (glob)
   |      diff -r fdf9bde5129a -r 7a230b46bf61 changeset-description
   |      --- a/changeset-description
   |      +++ b/changeset-description
@@ -1676,7 +1683,7 @@
   |
   |
   x  471f378eab4c (1) A0
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          diff -r 471f378eab4c -r fdf9bde5129a changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -1705,21 +1712,21 @@
   o  7a230b46bf61 (2) A2
   |
   x  fdf9bde5129a
-  |    rewritten(description) as 7a230b46bf61 by test (*) (glob)
+  |    rewritten(description) as 7a230b46bf61 using amend by test (*) (glob)
   |      (No patch available, context is not local)
   |
   @  471f378eab4c (1) A0
-       rewritten(description) as fdf9bde5129a by test (*) (glob)
+       rewritten(description) as fdf9bde5129a using amend by test (*) (glob)
          (No patch available, successor is unknown locally)
   
   $ hg obslog 7a230b46bf61 --color=debug --patch
   o  [evolve.node|7a230b46bf61] [evolve.rev|(2)] [evolve.short_description|A2]
   |
   x  [evolve.node evolve.missing_change_ctx|fdf9bde5129a]
-  |    [evolve.verb|rewritten](description) as [evolve.node|7a230b46bf61] by [evolve.user|test] [evolve.date|(*)] (glob)
+  |    [evolve.verb|rewritten](description) as [evolve.node|7a230b46bf61] using [evolve.operation|amend] by [evolve.user|test] [evolve.date|(*)] (glob)
   |      (No patch available, context is not local)
   |
   @  [evolve.node|471f378eab4c] [evolve.rev|(1)] [evolve.short_description|A0]
-       [evolve.verb|rewritten](description) as [evolve.node|fdf9bde5129a] by [evolve.user|test] [evolve.date|(*)] (glob)
+       [evolve.verb|rewritten](description) as [evolve.node|fdf9bde5129a] using [evolve.operation|amend] by [evolve.user|test] [evolve.date|(*)] (glob)
          (No patch available, successor is unknown locally)