Bundling plugins to Wordpress Theme

bundle-plugins.php

<?php 

if (is_admin() && isset($_GET['activated'] ) && $pagenow == "themes.php" ) {

$theme_url = get_bloginfo('template_url');
$theme_url_split = explode("/", $theme_url);
$theme_url_split_length = count($theme_url_split);
$theme_name = $theme_url_split[$theme_url_split_length-1];

$plugin_source = "../wp-content/themes/".$theme_name."/bundled_plugins/plugin_name";
$plugin_target = "../wp-content/plugins/plugin_name";

function full_copy( $source, $target ) {
    if ( is_dir( $source ) ) {
        @mkdir( $target );
        $d = dir( $source );
        while ( FALSE !== ( $entry = $d->read() ) ) {
            if ( $entry == '.' || $entry == '..' ) {
                continue;
            }
            $Entry = $source . '/' . $entry; 
            if ( is_dir( $Entry ) ) {
                full_copy( $Entry, $target . '/' . $entry );
                continue;
            }
            copy( $Entry, $target . '/' . $entry );
        }

        $d->close();
        $plugin_path = 'plugin_name/index.php';
        $active_plugins = get_option('active_plugins');
        if (!isset($active_plugins[$plugin_path])) run_activate_plugin( 'plugin_name/index.php' );

    }
}

function run_activate_plugin( $plugin ) {
    $current = get_option( 'active_plugins' );
    $plugin = plugin_basename( trim( $plugin ) );

    if ( !in_array( $plugin, $current ) ) {
        $current[] = $plugin;
        sort( $current );
        do_action( 'activate_plugin', trim( $plugin ) );
        update_option( 'active_plugins', $current );
        do_action( 'activate_' . trim( $plugin ) );
        do_action( 'activated_plugin', trim( $plugin) );
    }

    return null;
}

full_copy($plugin_source, $plugin_target);

} 

?>