Add Drupal application

drupal/scripts/composer/ScriptHandler.php

@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @file
+ * Contains \DrupalProject\composer\ScriptHandler.
+ */
+
+namespace DrupalProject\composer;
+
+use Composer\Script\Event;
+use Composer\Semver\Comparator;
+use DrupalFinder\DrupalFinder;
+use Symfony\Component\Filesystem\Filesystem;
+use Webmozart\PathUtil\Path;
+
+class ScriptHandler {
+
+  public static function createRequiredFiles(Event $event) {
+    $fs = new Filesystem();
+    $drupalFinder = new DrupalFinder();
+    $drupalFinder->locateRoot(getcwd());
+    $drupalRoot = $drupalFinder->getDrupalRoot();
+
+    $dirs = [
+      'modules',
+      'profiles',
+      'themes',
+    ];
+
+    // Required for unit testing
+    foreach ($dirs as $dir) {
+      if (!$fs->exists($drupalRoot . '/'. $dir)) {
+        $fs->mkdir($drupalRoot . '/'. $dir);
+        $fs->touch($drupalRoot . '/'. $dir . '/.gitkeep');
+      }
+    }
+
+    // Prepare the settings file for installation
+    if (!$fs->exists($drupalRoot . '/sites/default/settings.php') and $fs->exists($drupalRoot . '/sites/default/default.settings.php')) {
+      $fs->copy($drupalRoot . '/sites/default/default.settings.php', $drupalRoot . '/sites/default/settings.php');
+      require_once $drupalRoot . '/core/includes/bootstrap.inc';
+      require_once $drupalRoot . '/core/includes/install.inc';
+      $settings['config_directories'] = [
+        CONFIG_SYNC_DIRECTORY => (object) [
+          'value' => Path::makeRelative($drupalFinder->getComposerRoot() . '/config/sync', $drupalRoot),
+          'required' => TRUE,
+        ],
+      ];
+      drupal_rewrite_settings($settings, $drupalRoot . '/sites/default/settings.php');
+      $fs->chmod($drupalRoot . '/sites/default/settings.php', 0666);
+      $event->getIO()->write("Create a sites/default/settings.php file with chmod 0666");
+    }
+
+    // Create the files directory with chmod 0777
+    if (!$fs->exists($drupalRoot . '/sites/default/files')) {
+      $oldmask = umask(0);
+      $fs->mkdir($drupalRoot . '/sites/default/files', 0777);
+      umask($oldmask);
+      $event->getIO()->write("Create a sites/default/files directory with chmod 0777");
+    }
+  }
+
+  /**
+   * Checks if the installed version of Composer is compatible.
+   *
+   * Composer 1.0.0 and higher consider a `composer install` without having a
+   * lock file present as equal to `composer update`. We do not ship with a lock
+   * file to avoid merge conflicts downstream, meaning that if a project is
+   * installed with an older version of Composer the scaffolding of Drupal will
+   * not be triggered. We check this here instead of in drupal-scaffold to be
+   * able to give immediate feedback to the end user, rather than failing the
+   * installation after going through the lengthy process of compiling and
+   * downloading the Composer dependencies.
+   *
+   * @see https://github.com/composer/composer/pull/5035
+   */
+  public static function checkComposerVersion(Event $event) {
+    $composer = $event->getComposer();
+    $io = $event->getIO();
+
+    $version = $composer::VERSION;
+
+    // The dev-channel of composer uses the git revision as version number,
+    // try to the branch alias instead.
+    if (preg_match('/^[0-9a-f]{40}$/i', $version)) {
+      $version = $composer::BRANCH_ALIAS_VERSION;
+    }
+
+    // If Composer is installed through git we have no easy way to determine if
+    // it is new enough, just display a warning.
+    if ($version === '@package_version@' || $version === '@package_branch_alias_version@') {
+      $io->writeError('<warning>You are running a development version of Composer. If you experience problems, please update Composer to the latest stable version.</warning>');
+    }
+    elseif (Comparator::lessThan($version, '1.0.0')) {
+      $io->writeError('<error>Drupal-project requires Composer version 1.0.0 or higher. Please update your Composer before continuing</error>.');
+      exit(1);
+    }
+  }
+
+}