<?php
// $Id$

/**
 * Implement hook_menu().
 */
function update_test_menu() {
  $items = array();

  $items['update-test'] = array(
    'title' => t('Update test'),
    'page callback' => 'update_test_mock_page',
    'access callback' => TRUE,
    'type' => MENU_CALLBACK,
  );

  return $items;
}

/**
 * Implement hook_system_info_alter().
 *
 * This checks the 'update_test_system_info' variable and sees if we need to
 * alter the system info for the given $file based on the setting. The setting
 * is expected to be a nested associative array. If the key '#all' is defined,
 * its subarray will include .info keys and values for all modules and themes
 * on the system. Otherwise, the settings array is keyed by the module or
 * theme short name ($file->name) and the subarrays contain settings just for
 * that module or theme.
 */
function update_test_system_info_alter(&$info, $file) {
  $setting = variable_get('update_test_system_info', array());
  foreach (array('#all', $file->name) as $id) {
    if (!empty($setting[$id])) {
      foreach ($setting[$id] as $key => $value) {
        $info[$key] = $value;
      }
    }
  }
}

/**
 * Page callback, prints mock XML for the update module.
 */
function update_test_mock_page() {
  $xml = variable_get('update_test_xml', FALSE);
  // Note: this will cause an exception to occur if no variable was set and
  // $file is FALSE.
  readfile(drupal_get_path('module', 'update_test') . "/$xml");
}