# File lib/chef/knife/core/object_loader.rb, line 40
        def find_file(repo_location, *components)
          if file_exists_and_is_readable?(File.expand_path( components.last ))
            File.expand_path( components.last )
          else
            relative_path = File.join(Dir.pwd, repo_location, *components)
            if file_exists_and_is_readable?(relative_path)
              relative_path
            else
              nil
            end
          end
        end