diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/system/system.updater.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/system/system.updater.inc	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,150 @@
+<?php
+
+/**
+ * @file
+ * Subclasses of the Updater class to update Drupal core knows how to update.
+ * At this time, only modules and themes are supported.
+ */
+
+/**
+ * Class for updating modules using FileTransfer classes via authorize.php.
+ */
+class ModuleUpdater extends Updater implements DrupalUpdaterInterface {
+
+  /**
+   * Return the directory where a module should be installed.
+   *
+   * If the module is already installed, drupal_get_path() will return
+   * a valid path and we should install it there (although we need to use an
+   * absolute path, so we prepend DRUPAL_ROOT). If we're installing a new
+   * module, we always want it to go into sites/all/modules, since that's
+   * where all the documentation recommends users install their modules, and
+   * there's no way that can conflict on a multi-site installation, since
+   * the Update manager won't let you install a new module if it's already
+   * found on your system, and if there was a copy in sites/all, we'd see it.
+   */
+  public function getInstallDirectory() {
+    if ($this->isInstalled() && ($relative_path = drupal_get_path('module', $this->name))) {
+      $relative_path = dirname($relative_path);
+    }
+    else {
+      $relative_path = 'sites/all/modules';
+    }
+    return DRUPAL_ROOT . '/' . $relative_path;
+  }
+
+  public function isInstalled() {
+    return (bool) drupal_get_filename('module', $this->name, NULL, FALSE);
+  }
+
+  public static function canUpdateDirectory($directory) {
+    if (file_scan_directory($directory, '/.*\.module$/')) {
+      return TRUE;
+    }
+    return FALSE;
+  }
+
+  public static function canUpdate($project_name) {
+    return (bool) drupal_get_path('module', $project_name);
+  }
+
+  /**
+   * Return available database schema updates one a new version is installed.
+   */
+  public function getSchemaUpdates() {
+    require_once DRUPAL_ROOT . '/includes/install.inc';
+    require_once DRUPAL_ROOT . '/includes/update.inc';
+
+    if (_update_get_project_type($project) != 'module') {
+      return array();
+    }
+    module_load_include('install', $project);
+
+    if (!$updates = drupal_get_schema_versions($project)) {
+      return array();
+    }
+    $updates_to_run = array();
+    $modules_with_updates = update_get_update_list();
+    if ($updates = $modules_with_updates[$project]) {
+      if ($updates['start']) {
+        return $updates['pending'];
+      }
+    }
+    return array();
+  }
+
+  /**
+   * Returns a list of post install actions.
+   */
+  public function postInstallTasks() {
+    return array(
+      l(t('Install another module'), 'admin/modules/install'),
+      l(t('Enable newly added modules'), 'admin/modules'),
+      l(t('Administration pages'), 'admin'),
+    );
+  }
+
+  public function postUpdateTasks() {
+    // We don't want to check for DB updates here, we do that once for all
+    // updated modules on the landing page.
+  }
+
+}
+
+/**
+ * Class for updating themes using FileTransfer classes via authorize.php.
+ */
+class ThemeUpdater extends Updater implements DrupalUpdaterInterface {
+
+  /**
+   * Return the directory where a theme should be installed.
+   *
+   * If the theme is already installed, drupal_get_path() will return
+   * a valid path and we should install it there (although we need to use an
+   * absolute path, so we prepend DRUPAL_ROOT). If we're installing a new
+   * theme, we always want it to go into sites/all/themes, since that's
+   * where all the documentation recommends users install their themes, and
+   * there's no way that can conflict on a multi-site installation, since
+   * the Update manager won't let you install a new theme if it's already
+   * found on your system, and if there was a copy in sites/all, we'd see it.
+   */
+  public function getInstallDirectory() {
+    if ($this->isInstalled() && ($relative_path = drupal_get_path('theme', $this->name))) {
+      $relative_path = dirname($relative_path);
+    }
+    else {
+      $relative_path = 'sites/all/themes';
+    }
+    return DRUPAL_ROOT . '/' . $relative_path;
+  }
+
+  public function isInstalled() {
+    return (bool) drupal_get_filename('theme', $this->name, NULL, FALSE);
+  }
+
+  static function canUpdateDirectory($directory) {
+    // This is a lousy test, but don't know how else to confirm it is a theme.
+    if (file_scan_directory($directory, '/.*\.module$/')) {
+      return FALSE;
+    }
+    return TRUE;
+  }
+
+  public static function canUpdate($project_name) {
+    return (bool) drupal_get_path('theme', $project_name);
+  }
+
+  public function postInstall() {
+    // Update the system table.
+    clearstatcache();
+    system_rebuild_theme_data();
+
+  }
+
+  public function postInstallTasks() {
+    return array(
+      l(t('Enable newly added themes'), 'admin/appearance'),
+      l(t('Administration pages'), 'admin'),
+    );
+  }
+}