# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 2006-08-15 07:03:48
# Node ID 02e239bbd7f9d356c667e349a4370e501a515586
# Parent  41f8b041893b63a4f4e55b368eaaa47e3629059b

A fix for --prune.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -221,7 +221,7 @@ def walkchangerevs(ui, repo, pats, opts)
 
     # it might be worthwhile to do this in the iterator if the rev range
     # is descending and the prune args are all within that range
-    for rev in opts.get('prune'):
+    for rev in opts.get('prune', ()):
         rev = repo.changelog.rev(repo.lookup(rev))
         ff = followfilter()
         stop = min(revs[0], revs[-1])