--- /dev/null
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the devel module.
+ */
+
+/**
+ * Implements hook_requirements().
+ */
+function devel_requirements($phase) {
+ $requirements = [];
+
+ if ($phase == 'runtime') {
+ // To understand the reasons why this message is marked as info see
+ // https://www.drupal.org/node/2834400.
+ $requirements['devel'] = [
+ 'title' => t('Devel module enabled'),
+ 'description' => t('The module provide the access to debug informations, therefore is recommended to disable the Devel module on production sites.'),
+ 'severity' => REQUIREMENT_INFO,
+ ];
+ }
+
+ return $requirements;
+}
+
+/**
+ * Set the default devel dumper plugin.
+ */
+function devel_update_8001() {
+ $kint_enabled = \Drupal::moduleHandler()->moduleExists('kint');
+
+ $default_dumper = $kint_enabled ? 'kint' : 'default';
+
+ // Set the default dumper plugin to kint if kint module is available.
+ \Drupal::configFactory()->getEditable('devel.settings')
+ ->set('devel_dumper', $default_dumper)
+ ->save(TRUE);
+}
+
+/**
+ * Add enforced dependencies to system.menu.devel
+ */
+function devel_update_8002() {
+ $config = \Drupal::configFactory()->getEditable('system.menu.devel');
+ $dependencies = $config->get('dependencies');
+ $dependencies['enforced']['module'][] = 'devel';
+ $config->set('dependencies', $dependencies)->save(TRUE);
+}