materio-base-d7/sites/all/modules/contrib/dev/devel/devel.install

<?php

/**
 * Implements hook_enable().
 */
function devel_enable() {
  $t = get_t();

  // New module weights in core: put devel as the very last in the chain.
  db_update('system')
    ->fields(array(
      'weight' => 88,
    ))
    ->condition('type', 'module')
    ->condition('name', 'devel')
    ->execute();

  // Create a custom menu, if Menu module is enabled.
  // @see devel_modules_installed()
  if (module_exists('menu')) {
    $menu = array(
      'menu_name' => 'devel',
      'title' => $t('Development'),
      'description' => $t('Development link'),
    );
    menu_save($menu);
  }
}

/**
 * Implements hook_uninstall().
 */
function devel_uninstall() {
  variable_del('devel_form_weights');
  variable_del('devel_execution');
  variable_del('dev_timer');
  variable_del('devel_query_display');
  variable_del('devel_redirect_page');
  variable_del('devel_api_url');
  variable_del('dev_mem');
  variable_del('devel_error_handlers');
  variable_del('devel_raw_names');
  variable_del('devel_switch_user_list_size');
  variable_del('devel_switch_user_include_anon');
  variable_del('devel_switch_user_show_form');

  // Delete the development menu.
  if (module_exists('menu')) {
    if ($devel_menu = menu_load('devel')) {
      menu_delete($devel_menu);
    }
  }
}

/**
 * Remove feature for storing queries. Cleanup deprecated tables and variables.
 */
function devel_update_7000() {
  db_drop_table('devel_queries');
  db_drop_table('devel_times');
}

/**
 * Rebuild the menus since everything is defined by devel_menu().
 */
function devel_update_7001() {
  db_delete('menu_links')
    ->condition('module', 'devel')
    ->execute();
  variable_set('menu_rebuild_needed', TRUE);
  return t('Devel module menu links will be rebuilt.');
}

/**
 * Remove deprecated variables - dev_query, devel_code_coverage
 */
function devel_update_7002() {
  variable_del('dev_query'); // Sad trombone. http://drupalcode.org/viewvc/drupal/drupal/includes/database.mysql.inc?revision=1.2&view=markup
  variable_del('devel_code_coverage');
}

/**
 * As per issue #813132: change schablon.com to white for krumo.
 */
function devel_update_7003() {
  if (variable_get('devel_krumo_skin', 'white') == 'schablon.com') {
    variable_set('devel_krumo_skin', 'white');
  }
}

/**
 * Convert devel_error_handler variable to devel_error_handlers array.
 */
function devel_update_7004() {
  define('DEVEL_ERROR_HANDLER_BACKTRACE_AND_MESSAGE', 3);

  $error_handler = variable_get('devel_error_handler', NULL);
  if (isset($error_handler)) {
    if ($error_handler == DEVEL_ERROR_HANDLER_BACKTRACE_AND_MESSAGE) {
      $error_handlers = array(DEVEL_ERROR_HANDLER_STANDARD, DEVEL_ERROR_HANDLER_BACKTRACE_KRUMO);
    }
    else {
      $error_handlers = array($error_handler);
    }
    variable_del('devel_error_handler');
    variable_set('devel_error_handlers', drupal_map_assoc($error_handlers));
  }
}