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root / drupal7 / modules / system / system.updater.inc @ b0dc3a2e

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