# HG changeset patch
# User Thomas Arendsen Hein <thomas@intevation.de>
# Date 1165653029 -3600
# Node ID dec4eba7ccad37bebd7ebb788ab25ae69b7ea776
# Parent  7df171ea50cd9e3da3e37f431cc8e02eef015603
Use util.always instead of creating a new lambda function in show_changeset
and simplify the expression.

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -524,9 +524,7 @@ def show_changeset(ui, repo, opts, buffe
     # options
     patch = False
     if opts.get('patch'):
-        patch = lambda x: True
-        if matchfn:
-            patch = matchfn
+        patch = matchfn or util.always
 
     br = None
     if opts.get('branches'):