--- a/tests/test-command-template.t	Mon May 05 16:54:15 2014 +0200
+++ b/tests/test-command-template.t	Fri May 23 16:25:55 2014 -0700
@@ -1819,6 +1819,11 @@
   1 not current rev
   0 not current rev
 
+  $ hg log --template '{rev} {ifcontains(rev, revset(". + .^"), "match rev", "not match rev")}\n'
+  2 match rev
+  1 match rev
+  0 not match rev
+
   $ hg log --template '{rev} Parents: {revset("parents(%s)", rev)}\n'
   2 Parents: 1
   1 Parents: 0