# HG changeset patch
# User Brodie Rao <brodie@bitheap.org>
# Date 2010-10-08 19:02:23
# Node ID 7178f6fedb9db000300abda8168d36a890a686c2
# Parent  0ae35296fbf4d486ea4228bfd93c03a844ee9fb8

cat: fix cat without -r, broken by 0ae35296fbf4

The default revision for revsingle() is now '.' instead of None. This
preserves the behavior of cat prior to it using revsingle().

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -111,7 +111,7 @@ def loglimit(opts):
         limit = None
     return limit
 
-def revsingle(repo, revspec, default=None):
+def revsingle(repo, revspec, default='.'):
     if not revspec:
         return repo[default]