edlp_d8/core/profiles/demo_umami/demo_umami.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the demo_umami installation profile.
 */

use Drupal\user\Entity\User;
use Drupal\user\RoleInterface;
use Drupal\shortcut\Entity\Shortcut;

/**
 * Implements hook_requirements().
 */
function demo_umami_requirements($phase) {
  $requirements = [];
  if ($phase == 'runtime') {
    $profile = \Drupal::installProfile();
    $info = system_get_info('module', $profile);
    $requirements['experimental_profile_used'] = [
      'title' => t('Experimental installation profile used'),
      'value' => $info['name'],
      'description' => t('Experimental profiles are provided for testing purposes only. Use at your own risk. To start building a new site, reinstall Drupal and choose a non-experimental profile.'),
      'severity' => REQUIREMENT_WARNING,
    ];
  }
  return $requirements;
}

/**
 * Implements hook_install().
 *
 * Perform actions to set up the site for this profile.
 *
 * @see system_install()
 */
function demo_umami_install() {
  // Set front page to "node".
  \Drupal::configFactory()->getEditable('system.site')->set('page.front', '/node')->save(TRUE);

  // Allow visitor account creation with administrative approval.
  $user_settings = \Drupal::configFactory()->getEditable('user.settings');
  $user_settings->set('register', USER_REGISTER_ADMINISTRATORS_ONLY)->save(TRUE);

  // Assign user 1 the "administrator" role.
  $user = User::load(1);
  $user->roles[] = 'administrator';
  $user->save();

  // We install some menu links, so we have to rebuild the router, to ensure the
  // menu links are valid.
  \Drupal::service('router.builder')->rebuildIfNeeded();

  // Enable the Contact link in the footer menu.
  /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
  $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
  $menu_link_manager->updateDefinition('contact.site_page', ['enabled' => TRUE]);

  user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, ['access site-wide contact form']);
  user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, ['access site-wide contact form']);

  // Allow authenticated users to use shortcuts.
  user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, ['access shortcuts']);

  // Populate the default shortcut set.
  $shortcut = Shortcut::create([
    'shortcut_set' => 'default',
    'title' => t('Add content'),
    'weight' => -20,
    'link' => ['uri' => 'internal:/node/add'],
  ]);
  $shortcut->save();

  $shortcut = Shortcut::create([
    'shortcut_set' => 'default',
    'title' => t('All content'),
    'weight' => -19,
    'link' => ['uri' => 'internal:/admin/content'],
  ]);
  $shortcut->save();

  // Allow all users to use search.
  user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, ['search content']);
  user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, ['search content']);

  // Enable the admin theme.
  \Drupal::configFactory()->getEditable('node.settings')->set('use_admin_theme', TRUE)->save(TRUE);

  // Enable the demo content module. This can't be specified as a dependency
  // in the demo_umami.info.yml file, as it requires configuration provided by
  // the profile (fields etc.).
  \Drupal::service('module_installer')->install(['demo_umami_content'], TRUE);
}