From 8d0d0b1f59b6b95bd8bdead7d582e76bfc23902c Mon Sep 17 00:00:00 2001
From: Adrian Perez <adrian.perez@ffhs.ch>
Date: Sat, 27 Jun 2020 10:22:36 +0200
Subject: [PATCH] MDL-69156 course_copy: set defaults for idnumber when not
 permitted

---
 backup/util/ui/classes/output/copy_form.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backup/util/ui/classes/output/copy_form.php b/backup/util/ui/classes/output/copy_form.php
index 68561018808..dec99e459f7 100644
--- a/backup/util/ui/classes/output/copy_form.php
+++ b/backup/util/ui/classes/output/copy_form.php
@@ -158,6 +158,7 @@ class copy_form extends \moodleform {
         $mform->setType('idnumber', PARAM_RAW);
         if (!empty($course->id) and !has_capability('moodle/course:changeidnumber', $coursecontext)) {
             $mform->hardFreeze('idnumber');
+            $mform->setDefault('idnumber', '');
             $mform->setConstants('idnumber', $course->idnumber);
         }