<?php

/**
 * Revert specified features.
 *
 * @TODO Check that it really is Forced features revert.  Currently an exact
 * copy of the function initially placed in feature_projects.install.
 *
 * Code mostly taken from drush.
 *
 * Source: Reverting features in update hooks requires a helper function
 * (http://goo.gl/MKSd11)
 */
function _features_revert($modules) {
  module_load_include('inc', 'features', 'features.export');
  features_include();

  foreach ($modules as $module) {
    $components = array();
    
    if (($feature = feature_load($module, TRUE)) && module_exists($module)) {

      // Forcefully revert all components of a feature.
      foreach (array_keys($feature->info['features']) as $component) {
        if (features_hook($component, 'features_revert')) {
          $components[] = $component;
        }
      }
    }

    foreach ($components as $component) {
      features_revert(array($module => array($component)));
    }
  }
}