";
      print "$command\n";
      print "Failed to dump database\n";
      print implode("\n", $output);
      return;
    }

    // Post-process the sql file
    $buf = "";
    $root_timestamp = ORM::factory("item", 1)->created;
    foreach (file($sql_file) as $line) {
      // Prefix tables
      $line = preg_replace(
        "/(CREATE TABLE|IF EXISTS|INSERT INTO) `{$dbconfig['table_prefix']}(\w+)`/", "\\1 {\\2}",
        $line);

      // Normalize dates
      $line = preg_replace("/,$root_timestamp,/", ",NOW(),", $line);
      $buf .= $line;
    }
    $fd = fopen($sql_file, "wb");
    fwrite($fd, $buf);
    fclose($fd);

    url::redirect("scaffold/dump_var");
  }

  public function dump_var() {
    $this->auto_render = false;

    $objects = new RecursiveIteratorIterator(
      new RecursiveDirectoryIterator(VARPATH),
      RecursiveIteratorIterator::SELF_FIRST);

    $var_file = DOCROOT . "installer/init_var.php";
    if (!is_writable($var_file)) {
      print "$var_file is not writeable";
      return;
    }

    $paths = array();
    foreach($objects as $name => $file){
      if ($file->getBasename() == "database.php") {
        continue;
      } else if (basename($file->getPath()) == "logs") {
        continue;
      }

      if ($file->isDir()) {
        $paths[] = "VARPATH . \"" . substr($name, strlen(VARPATH)) . "\"";
      } else {
        // @todo: serialize non-directories
        print "Unknown file: $name";
        return;
      }
    }
    // Sort the paths so that the var file is stable
    sort($paths);

    $fd = fopen($var_file, "w");
    fwrite($fd, "\n");
    fwrite($fd, "where("type", "album")->find_all() as $album) {
      if ($album->parent_id) {
        $tree[$album->parent_id]->children[] = $album->id;
      }
      $tree[$album->id]->album = $album;
      $tree[$album->id]->children = array();
    }

    return $tree;
  }

  public function form($arg1, $arg2) {
    if ($arg1 == "add" && $arg2 == "photos") {
      print $this->_get_add_photo_html();
    }
    $this->auto_render = false;
  }

  public function _get_add_photo_html($parent_id=1) {
    $parent = ORM::factory("item", $parent_id);
    return photo::get_add_form($parent);
  }
}