Add installer script to com_joomlaupdate

Add installer script to com_joomlaupdate for reset of the core update channel from "next" to "default" when updating the component.

administrator/components/com_joomlaupdate/joomlaupdate.xml

@@ -2,13 +2,14 @@
 <extension type="component" method="upgrade">
 	<name>com_joomlaupdate</name>
 	<author>Joomla! Project</author>
-	<creationDate>2021-08</creationDate>
+	<creationDate>2024-06</creationDate>
 	<copyright>(C) 2012 Open Source Matters, Inc.</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
-	<version>4.0.3</version>
+	<version>5.1.2</version>
 	<description>COM_JOOMLAUPDATE_XML_DESCRIPTION</description>
+	<scriptfile>admin/script.php</scriptfile>
 	<namespace path="src">Joomla\Component\Joomlaupdate</namespace>
 	<media destination="com_joomlaupdate" folder="media">
 		<folder>js</folder>

administrator/components/com_joomlaupdate/script.php

@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * @package     Joomla.Administrator
+ * @subpackage  com_joomlaupdate
+ *
+ * @copyright   (C) 2024 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ *
+ * @phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
+ */
+
+use Joomla\CMS\Application\AdministratorApplication;
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Installer\InstallerAdapter;
+use Joomla\CMS\Installer\InstallerScriptInterface;
+use Joomla\CMS\Language\Text;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+return new class () implements ServiceProviderInterface {
+    public function register(Container $container)
+    {
+        $container->set(
+            InstallerScriptInterface::class,
+            new class (
+            $container->get(AdministratorApplication::class),
+            $container->get(DatabaseInterface::class)
+            ) implements InstallerScriptInterface {
+                private AdministratorApplication $app;
+                private DatabaseInterface $db;
+
+                public function __construct(AdministratorApplication $app, DatabaseInterface $db)
+                {
+                    $this->app = $app;
+                    $this->db  = $db;
+                }
+
+                public function update(InstallerAdapter $parent): bool
+                {
+                    // Reset update source from "next" to "default"
+                    try {
+                        $this->resetUpdateSource();
+                    } catch (\Throwable $e) {
+                        enqueueMessage(
+                            Text::sprintf(
+                                'COM_JOOMLAUPDATE_UPDATE_CHANGE_UPDATE_SOURCE_FAILED',
+                                Text::_('COM_JOOMLAUPDATE_CONFIG_UPDATESOURCE_NEXT'),
+                                Text::_('COM_JOOMLAUPDATE_CONFIG_UPDATESOURCE_DEFAULT')
+                            ),
+                            'warning'
+                        );
+                    }
+
+                    return true;
+                }
+
+                /**
+                 * Reset update source from "next" to "default"
+                 *
+                 * @return  void
+                 *
+                 * @since   __DEPLOY_VERSION__
+                 * @throws  \RuntimeException
+                 */
+                private function resetUpdateSource()
+                {
+                    // Get current update source
+                    $params = ComponentHelper::getParams('com_joomlaupdate');
+
+                    // Do nothing if not "next"
+                    if ($params->get('updatesource', 'default') !== 'next') {
+                        return;
+                    }
+
+                    $params->set('updatesource', 'default');
+
+                    $params = $params->toString();
+                    $query  = $this->db->getQuery(true)
+                        ->update($this->db->quoteName('#__extensions'))
+                        ->set($this->db->quoteName('params') . ' = :params')
+                        ->where($this->db->quoteName('type') . ' = ' . $this->db->quote('component'))
+                        ->where($this->db->quoteName('element') . ' = ' . $this->db->quote('com_joomlaupdate'))
+                        ->bind(':params', $params);
+
+                    $this->db->setQuery($query);
+                    $this->db->execute();
+                }
+            }
+        );
+    }
+};

administrator/language/en-GB/com_joomlaupdate.ini

@@ -69,6 +69,7 @@ COM_JOOMLAUPDATE_SELF_EMPTYSTATE_CONTENT="You must update this component first b
 COM_JOOMLAUPDATE_SELF_EMPTYSTATE_TITLE="A new version of the Joomla Update Component is available"
 COM_JOOMLAUPDATE_SYSTEM_CHECK="System Check"
 COM_JOOMLAUPDATE_TOOLBAR_CHECK="Check for Updates"
+COM_JOOMLAUPDATE_UPDATE_CHANGE_UPDATE_SOURCE_FAILED="Failed to change the update channel from \"%1$s\" to \"%2$s\". Please change it in the Joomla Update Component's options so you don't miss future updates for your Joomla version."
 COM_JOOMLAUPDATE_UPDATE_CHECK="Update Check"
 COM_JOOMLAUPDATE_UPDATE_CONFIRM_BACKUP="I'm aware that a backup before any update is highly recommended."
 COM_JOOMLAUPDATE_UPDATE_EMPTYSTATE_TITLE="Update your site to \"Joomla! %s\""