    # 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