D8_rplf/modules/colorbox/tests/modules/colorbox_library_test/colorbox_library_test.install

<?php

/**
 * @file
 * Install file for the colorbox library test module.
 */

use Drupal\Core\Site\Settings;

/**
 * Implements hook_install().
 */
function colorbox_library_test_install() {
  $library_folder = Settings::get('file_public_path') . '/libraries';
  $zip_file = $library_folder . '/colorbox.zip';
  $colorbox_folder = $library_folder . '/colorbox';
  if (file_exists($colorbox_folder)) {
    return;
  }
  file_prepare_directory($library_folder, FILE_MODIFY_PERMISSIONS | FILE_CREATE_DIRECTORY);
  copy('https://github.com/jackmoore/colorbox/archive/master.zip', $zip_file);
  $zip = new \ZipArchive();
  $zip->open($zip_file);
  $zip->extractTo($library_folder);
  rename($library_folder . '/colorbox-master', $colorbox_folder);
}