--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/includes/database/sqlite/install.inc	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @file
+ * SQLite specific install functions
+ */
+
+class DatabaseTasks_sqlite extends DatabaseTasks {
+  protected $pdoDriver = 'sqlite';
+
+  public function name() {
+    return st('SQLite');
+  }
+
+  /**
+   * Minimum engine version.
+   */
+  public function minimumVersion() {
+    return '3.3.7';
+  }
+
+  public function getFormOptions($database) {
+    $form = parent::getFormOptions($database);
+
+    // Remove the options that only apply to client/server style databases.
+    unset($form['username'], $form['password'], $form['advanced_options']['host'], $form['advanced_options']['port']);
+
+    // Make the text more accurate for SQLite.
+    $form['database']['#title'] = st('Database file');
+    $form['database']['#description'] = st('The absolute path to the file where @drupal data will be stored. This must be writable by the web server and should exist outside of the web root.', array('@drupal' => drupal_install_profile_distribution_name()));
+    $default_database = conf_path(FALSE, TRUE) . '/files/.ht.sqlite';
+    $form['database']['#default_value'] = empty($database['database']) ? $default_database : $database['database'];
+    return $form;
+  }
+
+  public function validateDatabaseSettings($database) {
+    // Perform standard validation.
+    $errors = parent::validateDatabaseSettings($database);
+
+    // Verify the database is writable.
+    $db_directory = new SplFileInfo(dirname($database['database']));
+    if (!$db_directory->isWritable()) {
+      $errors[$database['driver'] . '][database'] = st('The directory you specified is not writable by the web server.');
+    }
+
+    return $errors;
+  }
+}
+