isInstalled() && ($relative_path = \Drupal::service('extension.list.module')->getPath($this->name))) { // The return value of ExtensionList::getPath() is always relative to the // site, so prepend DRUPAL_ROOT. return DRUPAL_ROOT . '/' . dirname($relative_path); } else { // When installing a new module, prepend the requested root directory. return $this->root . '/' . $this->getRootDirectoryRelativePath(); } } /** * {@inheritdoc} */ public static function getRootDirectoryRelativePath() { return 'modules'; } /** * {@inheritdoc} */ public function isInstalled() { // Check if the module exists in the file system, regardless of whether it // is enabled or not. /** @var \Drupal\Core\Extension\ExtensionList $module_extension_list */ $module_extension_list = \Drupal::service('extension.list.module'); return $module_extension_list->exists($this->name); } /** * {@inheritdoc} */ public static function canUpdateDirectory($directory) { $info = static::getExtensionInfo($directory); return (isset($info['type']) && $info['type'] == 'module'); } /** * Determines whether this class can update the specified project. * * @param string $project_name * The project to check. * * @return bool * TRUE if the the project can be updated, FALSE otherwise. */ public static function canUpdate($project_name) { return (bool) \Drupal::service('extension.list.module')->getPath($project_name); } /** * {@inheritdoc} */ 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. } }