simple WordPress plugin that enables use of post type search templates

enable_post_type_search_template.php

<?php
/*
Plugin Name: Enable Post Type Search Template
Description: you can use search-{$post_type}.php
Author: Takuro Hishikawa
Version: 0.1
*/

function enable_post_type_search_template($template){
	if ( is_search() ) {
		$post_types = get_query_var('post_type');
		
		foreach ( (array) $post_types as $post_type )
			$templates[] = "search-{$post_type}.php";
		$templates[] = 'search.php';
	
		$template = get_query_template('search',$templates);

	}
	return $template;
}
add_filter('template_include','enable_post_type_search_template');