1 files changed, 113 insertions, 0 deletions
diff --git a/core/scripts/PackageManagerFixtureCreator.php b/core/scripts/PackageManagerFixtureCreator.php
new file mode 100644
index 00000000000..b518424de79
--- /dev/null
+++ b/core/scripts/PackageManagerFixtureCreator.php
@@ -0,0 +1,113 @@
+#!/usr/bin/env php
+<?php
+
+/**
+ * @file
+ * A script that updates the package_manager test 'fake_site' fixture.
+ */
+
+declare(strict_types=1);
+
+use Composer\Json\JsonFile;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+use Symfony\Component\Process\Process;
+
+if (PHP_SAPI !== 'cli') {
+  return;
+}
+// Bootstrap.
+require __DIR__ . '/../../autoload.php';
+
+PackageManagerFixtureCreator::createFixture();
+/**
+ * Creates fixture at 'core/modules/package_manager/tests/fixtures/fake_site'.
+ */
+final class PackageManagerFixtureCreator {
+
+  private const FIXTURE_PATH = __DIR__ . '/../modules/package_manager/tests/fixtures/fake_site';
+
+  private const CORE_ROOT_PATH = __DIR__ . '/../..';
+
+  /**
+   * Creates the fixture.
+   */
+  public static function createFixture(): void {
+    // Copy drupal scaffold file mapping from core/composer.json to
+    // fixtures' core/composer.json.
+    $core_composer_json = new JsonFile(static::CORE_ROOT_PATH . '/core/composer.json');
+    $core_composer_data = $core_composer_json->read();
+    $fixture_core_composer_file = new JsonFile(static::FIXTURE_PATH . "/../path_repos/drupal--core/composer.json");
+    $fixture_core_composer_data = $fixture_core_composer_file->read();
+    $fixture_core_composer_data['extra']['drupal-scaffold']['file-mapping'] = $core_composer_data['extra']['drupal-scaffold']['file-mapping'];
+    $fixture_core_composer_file->write($fixture_core_composer_data);
+
+    $fixture_packages_json = new JsonFile(static::FIXTURE_PATH . '/packages.json');
+    $fixture_packages_data = $fixture_packages_json->read();
+    foreach ($fixture_packages_data['packages']['drupal/core'] as &$release) {
+      $release['extra']['drupal-scaffold']['file-mapping'] = $core_composer_data['extra']['drupal-scaffold']['file-mapping'];
+    }
+    $fixture_packages_json->write($fixture_packages_data);
+
+    $fs = new Filesystem();
+    $fs->remove(static::FIXTURE_PATH . "/composer.lock");
+    // Remove all the vendor folders but leave our 2 test files.
+    // @see \Drupal\Tests\package_manager\Kernel\PathExcluder\VendorHardeningExcluderTest
+    self::removeAllExcept(static::FIXTURE_PATH . "/vendor", ['.htaccess', 'web.config']);
+
+    self::runComposerCommand(['install']);
+    static::removeAllExcept(static::FIXTURE_PATH . '/vendor/composer', ['installed.json', 'installed.php']);
+    $fs->remove(static::FIXTURE_PATH . '/vendor/autoload.php');
+    print "\nFixture updated.\nRunning phpcbf";
+
+    $process = new Process(['composer', 'phpcbf', static::FIXTURE_PATH], static::CORE_ROOT_PATH);
+    $process->run();
+    print "\nFixture created 🎉.";
+  }
+
+  /**
+   * Runs a Composer command at the fixture root.
+   *
+   * @param array $command
+   *   The command to run as passed to
+   *   \Symfony\Component\Process\Process::__construct.
+   *
+   * @return string
+   *   The Composer command output.
+   */
+  private static function runComposerCommand(array $command): string {
+    array_unshift($command, 'composer');
+    $command[] = "--working-dir=" . static::FIXTURE_PATH;
+    $process = new Process($command, env: [
+      'COMPOSER_MIRROR_PATH_REPOS' => '1',
+    ]);
+    $process->run();
+    if (!$process->isSuccessful()) {
+      throw new ProcessFailedException($process);
+    }
+    return $process->getOutput();
+  }
+
+  /**
+   * Removes all files in a directory except the ones specified.
+   *
+   * @param string $directory
+   *   The directory path.
+   * @param string[] $files_to_keep
+   *   The files to not delete.
+   */
+  private static function removeAllExcept(string $directory, array $files_to_keep): void {
+    if (!is_dir($directory)) {
+      throw new \LogicException("Expected directory $directory");
+    }
+    $paths_to_remove = glob("$directory/*");
+    $fs = new Filesystem();
+    foreach ($paths_to_remove as $path_to_remove) {
+      $base_name = basename($path_to_remove);
+      if (!in_array($base_name, $files_to_keep, TRUE)) {
+        $fs->remove($path_to_remove);
+      }
+    }
+  }
+
+}