MDL-48969 block_quiz_results: disable on install

blocks/quiz_results/db/install.php

@@ -0,0 +1,31 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Quiz results block installation.
+ *
+ * @package    block_quiz_results
+ * @copyright  2015 Dan Poltawski <dan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+function xmldb_block_quiz_results_install() {
+    global $DB;
+
+    // Disable quiz_results on new installs (its now just a stub).
+    $DB->set_field('block', 'visible', 0, array('name' => 'quiz_results'));
+}
+