From a337b9ba150b515a0e710be9c214326738ed5f8a Mon Sep 17 00:00:00 2001
From: Ian Babrou <ibobrik@gmail.com>
Date: Fri, 9 Sep 2011 19:24:27 +0400
Subject: [PATCH] added method existence checking for UTF-8, thanks to
 @technoweenie

---
 lib/gollum/git_access.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/gollum/git_access.rb b/lib/gollum/git_access.rb
index 3df2bc89..7e67010b 100644
--- a/lib/gollum/git_access.rb
+++ b/lib/gollum/git_access.rb
@@ -158,7 +158,9 @@ module Gollum
     def tree!(sha)
       tree  = @repo.git.native(:ls_tree,
         {:r => true, :l => true, :z => true}, sha)
-      tree.force_encoding("UTF-8")
+      if tree.respond_to?(:force_encoding)
+        tree.force_encoding("UTF-8")
+      end
       items = tree.split("\0").inject([]) do |memo, line|
         memo << parse_tree_line(line)
       end