#320132 by kbahey, catch: Make path.inc swappable.

includes/common.inc

@@ -4491,7 +4491,7 @@ function _drupal_bootstrap_full() {
     return;
   }
   $called = 1;
-  require_once DRUPAL_ROOT . '/includes/path.inc';
+  require_once DRUPAL_ROOT . '/' . variable_get('path_inc', 'includes/path.inc');
   require_once DRUPAL_ROOT . '/includes/theme.inc';
   require_once DRUPAL_ROOT . '/includes/pager.inc';
   require_once DRUPAL_ROOT . '/includes/menu.inc';

includes/theme.maintenance.inc

@@ -22,7 +22,7 @@ function _drupal_maintenance_theme() {
     return;
   }
 
-  require_once DRUPAL_ROOT . '/includes/path.inc';
+  require_once DRUPAL_ROOT . '/' . variable_get('path_inc', 'includes/path.inc');
   require_once DRUPAL_ROOT . '/includes/theme.inc';
   require_once DRUPAL_ROOT . '/includes/common.inc';
   require_once DRUPAL_ROOT . '/includes/unicode.inc';

install.php

@@ -240,7 +240,7 @@ function install_begin_request(&$install_state) {
   require_once DRUPAL_ROOT . '/modules/system/system.install';
   require_once DRUPAL_ROOT . '/includes/common.inc';
   require_once DRUPAL_ROOT . '/includes/file.inc';
-  require_once DRUPAL_ROOT . '/includes/path.inc';
+  require_once DRUPAL_ROOT . '/' . variable_get('path_inc', 'includes/path.inc');
 
   // Load module basics (needed for hook invokes).
   include_once DRUPAL_ROOT . '/includes/module.inc';

modules/node/node.module

@@ -1281,7 +1281,7 @@ function node_language_negotiation_info() {
  *   A valid language code on succes, FALSE otherwise.
  */
 function node_language_provider($languages) {
-  require_once DRUPAL_ROOT . '/includes/path.inc';
+  require_once DRUPAL_ROOT . '/' . variable_get('path_inc', 'includes/path.inc');
 
   $path = isset($_GET['q']) ? $_GET['q'] : '';
   list($language, $path) = language_url_split_prefix($path, $languages);