Remove GU renaming filter during OTGS Installer plugin installation.

git-updater-fix-otgs-installer.php

<?php

/**
 * Git Updater fix for OTGS Installer.
 *
 * Plugin Name:       Git Updater fix for OTGS Installer
 * Plugin URI:        https://gist.github.com/afragen/3c6c2164b341f47c2b17eb5f705e3325
 * Description:       Remove Git Updater renaming filter during OTGS Installer plugin installation.
 * Version:           1.0.1
 * Author:            Andy Fragen
 * License:           MIT
 * Requires at least: 6.6
 * Requires PHP:      7.4
 * Gist Plugin URI:   https://gist.github.com/afragen/3c6c2164b341f47c2b17eb5f705e3325
 */

namespace Fragen\Git_Updater;

use Fragen\Singleton;

add_action('init', __NAMESPACE__ . '\\check_otgs_installer', 20);

function check_otgs_installer(): void {
    global $wp_filter;

    $has_action = has_action('wp_ajax_installer_download_plugin');
    $otgs_installer = isset($_POST['action']) && 'installer_download_plugin' === wp_unslash($_POST['action']) && defined('OTGS_INSTALLER_VERSION');

    if ($otgs_installer && $has_action && class_exists('\\Fragen\\Git_Updater\\Bootstrap')) {
        $base = Singleton::get_instance('Base', new Init());
        remove_filter('upgrader_source_selection', [$base, 'upgrader_source_selection']);
    }
}