Issue #3162228 by longwave, Spokje, freelock, jackson.cooper, phenaproxima, xjm: Composer 2 Fatal error Call to undefined method Composer\DependencyResolver\Operation\UpdateOperation::getJobType() in /home/mysite/public_html/core/lib/Drupal/Core/Composer/Composer.php:170

(cherry picked from commit 05ff954188)

core/lib/Drupal/Core/Composer/Composer.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\Core\Composer;
 
+use Composer\DependencyResolver\Operation\UpdateOperation;
 use Composer\Installer\PackageEvent;
 use Composer\Script\Event;
 use Composer\Semver\Constraint\Constraint;
@@ -186,7 +187,7 @@ class Composer {
     $vendor_dir = $event->getComposer()->getConfig()->get('vendor-dir');
     $io = $event->getIO();
     $op = $event->getOperation();
-    if ($op->getJobType() == 'update') {
+    if ($op instanceof UpdateOperation) {
       $package = $op->getTargetPackage();
     }
     else {

core/tests/Drupal/BuildTests/Composer/LegacyScriptsTest.php

@@ -0,0 +1,134 @@
+<?php
+
+namespace Drupal\BuildTests\Composer;
+
+use Composer\Json\JsonFile;
+use Drupal\BuildTests\Framework\BuildTestBase;
+use Drupal\Composer\Composer;
+
+/**
+ * @group Composer
+ * @requires externalCommand composer
+ * @coversDefaultClass \Drupal\Core\Composer\Composer
+ */
+class LegacyScriptsTest extends BuildTestBase {
+
+  /**
+   * @covers ::vendorTestCodeCleanup
+   */
+  public function testVendorTestCodeCleanup() {
+    $package_dir = 'composer/Template/RecommendedProject';
+
+    // Create a "Composer"-type repository containing one entry for every
+    // package in the vendor directory.
+    $vendor_packages_path = $this->getWorkspaceDirectory() . '/vendor_packages/packages.json';
+    $this->makeVendorPackage($vendor_packages_path);
+
+    // Make a copy of the code to alter in the workspace directory.
+    $this->copyCodebase();
+
+    // Remove the packages.drupal.org entry (and any other custom repository)
+    // from the site under test's repositories section. There is no way to do
+    // this via `composer config --unset`, so we read and rewrite composer.json.
+    $composer_json_path = $this->getWorkspaceDirectory() . "/$package_dir/composer.json";
+    $composer_json = json_decode(file_get_contents($composer_json_path), TRUE);
+    unset($composer_json['repositories']);
+    $json = json_encode($composer_json, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
+    file_put_contents($composer_json_path, $json);
+
+    // Set up the template to use our path repos. Inclusion of metapackages is
+    // reported differently, so we load up a separate set for them.
+    $metapackage_path_repos = $this->getPathReposForType($this->getWorkspaceDirectory(), 'Metapackage');
+    $this->assertArrayHasKey('drupal/core-recommended', $metapackage_path_repos);
+    $path_repos = array_merge($metapackage_path_repos, $this->getPathReposForType($this->getWorkspaceDirectory(), 'Plugin'));
+    // Always add drupal/core as a path repo.
+    $path_repos['drupal/core'] = $this->getWorkspaceDirectory() . '/core';
+    foreach ($path_repos as $name => $path) {
+      $this->executeCommand("composer config --no-interaction repositories.$name path $path", $package_dir);
+      $this->assertCommandSuccessful();
+    }
+
+    // Add our vendor package repository to our site under test's repositories
+    // section. Call it "local" (although the name does not matter).
+    $this->executeCommand("composer config --no-interaction repositories.local composer file://" . $vendor_packages_path, $package_dir);
+    $this->assertCommandSuccessful();
+
+    // Add the vendorTestCodeCleanup script as a post-install command.
+    $this->executeCommand('composer config scripts.post-package-install "Drupal\\Core\\Composer\\Composer::vendorTestCodeCleanup"');
+    $this->assertCommandSuccessful();
+
+    // Attempt to install packages which will trigger the script.
+    $this->executeCommand('composer install');
+    $this->assertCommandSuccessful();
+  }
+
+  /**
+   * Get Composer items that we want to be path repos, from within a directory.
+   *
+   * @param string $workspace_directory
+   *   The full path to the workspace directory.
+   * @param string $subdir
+   *   The subdirectory to search under composer/.
+   *
+   * @return string[]
+   *   Array of paths, indexed by package name.
+   */
+  public function getPathReposForType($workspace_directory, $subdir) {
+    // Find the Composer items that we want to be path repos.
+    /** @var \SplFileInfo[] $path_repos */
+    $path_repos = Composer::composerSubprojectPaths($workspace_directory, $subdir);
+
+    $data = [];
+    foreach ($path_repos as $path_repo) {
+      $json_file = new JsonFile($path_repo->getPathname());
+      $json = $json_file->read();
+      $data[$json['name']] = $path_repo->getPath();
+    }
+    return $data;
+  }
+
+  /**
+   * Creates a test package that points to all the projects in vendor.
+   *
+   * @param string $repository_path
+   *   The path where to create the test package.
+   */
+  protected function makeVendorPackage($repository_path) {
+    $root = $this->getDrupalRoot();
+    $process = $this->executeCommand("composer --working-dir=$root info --format=json");
+    $this->assertCommandSuccessful();
+    $installed = json_decode($process->getOutput(), TRUE);
+
+    // Build out package definitions for everything installed in
+    // the vendor directory.
+    $packages = [];
+    foreach ($installed['installed'] as $project) {
+      $name = $project['name'];
+      $version = $project['version'];
+      $path = "vendor/$name";
+      $full_path = "$root/$path";
+      // We are building a set of path repositories to projects in the vendor
+      // directory, so we will skip any project that does not exist in vendor.
+      // Also skip the projects that are symlinked in vendor. These are in our
+      // metapackage. They will be represented as path repositories in the test
+      // project's composer.json.
+      if (is_dir($full_path) && !is_link($full_path)) {
+        $packages['packages'][$name] = [
+          $version => [
+            "name" => $name,
+            "dist" => [
+              "type" => "path",
+              "url" => $full_path,
+            ],
+            "version" => $version,
+          ],
+        ];
+      }
+    }
+
+    $json = json_encode($packages, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
+    mkdir(dirname($repository_path));
+    file_put_contents($repository_path, $json);
+  }
+
+}