File devscripts-2.11.7-debcommit-hg16.patch of Package deb

diff -urN devscripts-2.11.7.orig/scripts/debcommit.pl devscripts-2.11.7/scripts/debcommit.pl
--- devscripts-2.11.7.orig/scripts/debcommit.pl	2012-05-21 11:36:59.813426755 +0800
+++ devscripts-2.11.7/scripts/debcommit.pl	2012-05-21 11:45:02.100397337 +0800
@@ -592,7 +592,9 @@
     else {
 	die "debcommit: unknown program $prog";
     }
-    die "debcommit: commit failed\n" if (! $action_rc);
+    # mercurial 1.6 returns failure if nothing is to be committed
+    # but we still want to continue with tagging
+    die "debcommit: commit failed\n" if (! $action_rc) && (! $release);
 }
 
 sub tag {