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diff --git a/web/core/lib/Drupal/Core/Command/InstallCommand.php b/web/core/lib/Drupal/Core/Command/InstallCommand.php
new file mode 100644
index 000000000..bff4bc471
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Command/InstallCommand.php
@@ -0,0 +1,337 @@
+<?php
+
+namespace Drupal\Core\Command;
+
+use Drupal\Component\Utility\Crypt;
+use Drupal\Core\Database\ConnectionNotDefinedException;
+use Drupal\Core\Database\Database;
+use Drupal\Core\DrupalKernel;
+use Drupal\Core\Extension\ExtensionDiscovery;
+use Drupal\Core\Extension\InfoParserDynamic;
+use Drupal\Core\Site\Settings;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+/**
+ * Installs a Drupal site for local testing/development.
+ *
+ * @internal
+ *   This command makes no guarantee of an API for Drupal extensions.
+ */
+class InstallCommand extends Command {
+
+  /**
+   * The class loader.
+   *
+   * @var object
+   */
+  protected $classLoader;
+
+  /**
+   * Constructs a new InstallCommand command.
+   *
+   * @param object $class_loader
+   *   The class loader.
+   */
+  public function __construct($class_loader) {
+    parent::__construct('install');
+    $this->classLoader = $class_loader;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function configure() {
+    $this->setName('install')
+      ->setDescription('Installs a Drupal demo site. This is not meant for production and might be too simple for custom development. It is a quick and easy way to get Drupal running.')
+      ->addArgument('install-profile', InputArgument::OPTIONAL, 'Install profile to install the site in.')
+      ->addOption('langcode', NULL, InputOption::VALUE_OPTIONAL, 'The language to install the site in.', 'en')
+      ->addOption('site-name', NULL, InputOption::VALUE_OPTIONAL, 'Set the site name.', 'Drupal')
+      ->addUsage('demo_umami --langcode fr')
+      ->addUsage('standard --site-name QuickInstall');
+
+    parent::configure();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function execute(InputInterface $input, OutputInterface $output) {
+    $io = new SymfonyStyle($input, $output);
+    if (!extension_loaded('pdo_sqlite')) {
+      $io->getErrorStyle()->error('You must have the pdo_sqlite PHP extension installed. See core/INSTALL.sqlite.txt for instructions.');
+      return 1;
+    }
+
+    // Change the directory to the Drupal root.
+    chdir(dirname(dirname(dirname(dirname(dirname(__DIR__))))));
+
+    // Check whether there is already an installation.
+    if ($this->isDrupalInstalled()) {
+      // Do not fail if the site is already installed so this command can be
+      // chained with ServerCommand.
+      $output->writeln('<info>Drupal is already installed.</info> If you want to reinstall, remove sites/default/files and sites/default/settings.php.');
+      return 0;
+    }
+
+    $install_profile = $input->getArgument('install-profile');
+    if ($install_profile && !$this->validateProfile($install_profile, $io)) {
+      return 1;
+    }
+    if (!$install_profile) {
+      $install_profile = $this->selectProfile($io);
+    }
+
+    return $this->install($this->classLoader, $io, $install_profile, $input->getOption('langcode'), $this->getSitePath(), $input->getOption('site-name'));
+  }
+
+  /**
+   * Returns whether there is already an existing Drupal installation.
+   *
+   * @return bool
+   */
+  protected function isDrupalInstalled() {
+    try {
+      $kernel = new DrupalKernel('prod', $this->classLoader, FALSE);
+      $kernel::bootEnvironment();
+      $kernel->setSitePath($this->getSitePath());
+      Settings::initialize($kernel->getAppRoot(), $kernel->getSitePath(), $this->classLoader);
+      $kernel->boot();
+    }
+    catch (ConnectionNotDefinedException $e) {
+      return FALSE;
+    }
+    return !empty(Database::getConnectionInfo());
+  }
+
+  /**
+   * Installs Drupal with specified installation profile.
+   *
+   * @param object $class_loader
+   *   The class loader.
+   * @param \Symfony\Component\Console\Style\SymfonyStyle $io
+   *   The Symfony output decorator.
+   * @param string $profile
+   *   The installation profile to use.
+   * @param string $langcode
+   *   The language to install the site in.
+   * @param string $site_path
+   *   The path to install the site to, like 'sites/default'.
+   * @param string $site_name
+   *   The site name.
+   *
+   * @throws \Exception
+   *   Thrown when failing to create the $site_path directory or settings.php.
+   */
+  protected function install($class_loader, SymfonyStyle $io, $profile, $langcode, $site_path, $site_name) {
+    $password = Crypt::randomBytesBase64(12);
+    $parameters = [
+      'interactive' => FALSE,
+      'site_path' => $site_path,
+      'parameters' => [
+        'profile' => $profile,
+        'langcode' => $langcode,
+      ],
+      'forms' => [
+        'install_settings_form' => [
+          'driver' => 'sqlite',
+          'sqlite' => [
+            'database' => $site_path . '/files/.sqlite',
+          ],
+        ],
+        'install_configure_form' => [
+          'site_name' => $site_name,
+          'site_mail' => 'drupal@localhost',
+          'account' => [
+            'name' => 'admin',
+            'mail' => 'admin@localhost',
+            'pass' => [
+              'pass1' => $password,
+              'pass2' => $password,
+            ],
+          ],
+          'enable_update_status_module' => TRUE,
+          // form_type_checkboxes_value() requires NULL instead of FALSE values
+          // for programmatic form submissions to disable a checkbox.
+          'enable_update_status_emails' => NULL,
+        ],
+      ],
+    ];
+
+    // Create the directory and settings.php if not there so that the installer
+    // works.
+    if (!is_dir($site_path)) {
+      if ($io->isVerbose()) {
+        $io->writeln("Creating directory: $site_path");
+      }
+      if (!mkdir($site_path, 0775)) {
+        throw new \RuntimeException("Failed to create directory $site_path");
+      }
+    }
+    if (!file_exists("{$site_path}/settings.php")) {
+      if ($io->isVerbose()) {
+        $io->writeln("Creating file: {$site_path}/settings.php");
+      }
+      if (!copy('sites/default/default.settings.php', "{$site_path}/settings.php")) {
+        throw new \RuntimeException("Copying sites/default/default.settings.php to {$site_path}/settings.php failed.");
+      }
+    }
+
+    require_once 'core/includes/install.core.inc';
+
+    $progress_bar = $io->createProgressBar();
+    install_drupal($class_loader, $parameters, function ($install_state) use ($progress_bar) {
+      static $started = FALSE;
+      if (!$started) {
+        $started = TRUE;
+        // We've already done 1.
+        $progress_bar->setFormat("%current%/%max% [%bar%]\n%message%\n");
+        $progress_bar->setMessage(t('Installing @drupal', ['@drupal' => drupal_install_profile_distribution_name()]));
+        $tasks = install_tasks($install_state);
+        $progress_bar->start(count($tasks) + 1);
+      }
+      $tasks_to_perform = install_tasks_to_perform($install_state);
+      $task = current($tasks_to_perform);
+      if (isset($task['display_name'])) {
+        $progress_bar->setMessage($task['display_name']);
+      }
+      $progress_bar->advance();
+    });
+    $success_message = t('Congratulations, you installed @drupal!', [
+      '@drupal' => drupal_install_profile_distribution_name(),
+      '@name' => 'admin',
+      '@pass' => $password,
+    ], ['langcode' => $langcode]);
+    $progress_bar->setMessage('<info>' . $success_message . '</info>');
+    $progress_bar->display();
+    $progress_bar->finish();
+    $io->writeln('<info>Username:</info> admin');
+    $io->writeln("<info>Password:</info> $password");
+  }
+
+  /**
+   * Gets the site path.
+   *
+   * Defaults to 'sites/default'. For testing purposes this can be overridden
+   * using the DRUPAL_DEV_SITE_PATH environment variable.
+   *
+   * @return string
+   *   The site path to use.
+   */
+  protected function getSitePath() {
+    return getenv('DRUPAL_DEV_SITE_PATH') ?: 'sites/default';
+  }
+
+  /**
+   * Selects the install profile to use.
+   *
+   * @param \Symfony\Component\Console\Style\SymfonyStyle $io
+   *   Symfony style output decorator.
+   *
+   * @return string
+   *   The selected install profile.
+   *
+   * @see _install_select_profile()
+   * @see \Drupal\Core\Installer\Form\SelectProfileForm
+   */
+  protected function selectProfile(SymfonyStyle $io) {
+    $profiles = $this->getProfiles();
+
+    // If there is a distribution there will be only one profile.
+    if (count($profiles) == 1) {
+      return key($profiles);
+    }
+    // Display alphabetically by human-readable name, but always put the core
+    // profiles first (if they are present in the filesystem).
+    natcasesort($profiles);
+    if (isset($profiles['minimal'])) {
+      // If the expert ("Minimal") core profile is present, put it in front of
+      // any non-core profiles rather than including it with them
+      // alphabetically, since the other profiles might be intended to group
+      // together in a particular way.
+      $profiles = ['minimal' => $profiles['minimal']] + $profiles;
+    }
+    if (isset($profiles['standard'])) {
+      // If the default ("Standard") core profile is present, put it at the very
+      // top of the list. This profile will have its radio button pre-selected,
+      // so we want it to always appear at the top.
+      $profiles = ['standard' => $profiles['standard']] + $profiles;
+    }
+    reset($profiles);
+    return $io->choice('Select an installation profile', $profiles, current($profiles));
+  }
+
+  /**
+   * Validates a user provided install profile.
+   *
+   * @param string $install_profile
+   *   Install profile to validate.
+   * @param \Symfony\Component\Console\Style\SymfonyStyle $io
+   *   Symfony style output decorator.
+   *
+   * @return bool
+   *   TRUE if the profile is valid, FALSE if not.
+   */
+  protected function validateProfile($install_profile, SymfonyStyle $io) {
+    // Allow people to install hidden and non-distribution profiles if they
+    // supply the argument.
+    $profiles = $this->getProfiles(TRUE, FALSE);
+    if (!isset($profiles[$install_profile])) {
+      $error_msg = sprintf("'%s' is not a valid install profile.", $install_profile);
+      $alternatives = [];
+      foreach (array_keys($profiles) as $profile_name) {
+        $lev = levenshtein($install_profile, $profile_name);
+        if ($lev <= strlen($profile_name) / 4 || FALSE !== strpos($profile_name, $install_profile)) {
+          $alternatives[] = $profile_name;
+        }
+      }
+      if (!empty($alternatives)) {
+        $error_msg .= sprintf(" Did you mean '%s'?", implode("' or '", $alternatives));
+      }
+      $io->getErrorStyle()->error($error_msg);
+      return FALSE;
+    }
+    return TRUE;
+  }
+
+  /**
+   * Gets a list of profiles.
+   *
+   * @param bool $include_hidden
+   *   (optional) Whether to include hidden profiles. Defaults to FALSE.
+   * @param bool $auto_select_distributions
+   *   (optional) Whether to only return the first distribution found.
+   *
+   * @return string[]
+   *   An array of profile descriptions keyed by the profile machine name.
+   */
+  protected function getProfiles($include_hidden = FALSE, $auto_select_distributions = TRUE) {
+    // Build a list of all available profiles.
+    $listing = new ExtensionDiscovery(getcwd(), FALSE);
+    $listing->setProfileDirectories([]);
+    $profiles = [];
+    $info_parser = new InfoParserDynamic();
+    foreach ($listing->scan('profile') as $profile) {
+      $details = $info_parser->parse($profile->getPathname());
+      // Don't show hidden profiles.
+      if (!$include_hidden && !empty($details['hidden'])) {
+        continue;
+      }
+      // Determine the name of the profile; default to the internal name if none
+      // is specified.
+      $name = isset($details['name']) ? $details['name'] : $profile->getName();
+      $description = isset($details['description']) ? $details['description'] : $name;
+      $profiles[$profile->getName()] = $description;
+
+      if ($auto_select_distributions && !empty($details['distribution'])) {
+        return [$profile->getName() => $description];
+      }
+    }
+    return $profiles;
+  }
+
+}