Issue #3460888: Remove Composer 1 root metadata

project_composer.module

@@ -220,13 +220,11 @@ function project_composer_root_metadata_data($release_category) {
   $core_version_string = project_composer_core_version_string_from_release_category($release_category);
   $metadata = [
     'notify-batch' => '/' . $core_version_string . '/downloads',
-    'providers-url' => '/' . $core_version_string . '/%package%$%hash%.json',
     'metadata-url' => '/files/packages/' . $core_version_string . '/p2/%package%.json',
     'available-package-patterns' => ['drupal/*'],
     'search' => '/' . $core_version_string . '/search.json?s=%query%',
     'warning' => 'New Drupal.org packages & releases ARE NOT AVAILABLE FOR COMPOSER 1!! Composer 1 support will be dropped after October 1, 2024. You should upgrade to Composer 2 now. See https://www.drupal.org/drupalorg/blog/ending-packagesdrupalorg-support-for-composer-1',
     'warning-versions' => '<1.99',
-    'provider-includes' => [],
   ];
   if ($release_category === 'current') {
     $metadata['security-advisories'] = [
@@ -234,23 +232,15 @@ function project_composer_root_metadata_data($release_category) {
       'api-url' => url(variable_get('project_composer_packages_url', 'https://packages.drupal.org') . '/' . project_composer_core_version_string_from_release_category($release_category) . '/security-advisories', ['absolute' => TRUE]),
     ];
   }
-  if ($release_category != 'lenient') {
-    // Create the relaxed metadata files for composer 2 as part of current
-    // processing.
-    foreach (_project_composer_get_provider_includes($release_category) as $provider) {
-      $key = 'drupal/provider-' . $provider->provider_include_grouping . '$%hash%.json';
-      $metadata['provider-includes'][$key]['sha256'] = $provider->sha256;
-      if (variable_get('project_composer_debug_mode', FALSE)) {
-        $metadata['provider-includes'][$key]['url'] = url('files/packages/' . $core_version_string . '/drupal/provider-' . $provider->provider_include_grouping . '$' . $provider->sha256 . '.json', ['absolute' => TRUE]);
-      }
-    }
+  if ($release_category == 'lenient') {
+    $metadata['warning'] = "The Drupal lenient endpoint has been deprecated and does not support Drupal 10. Use mglaman/composer-drupal-lenient. See https://www.drupal.org/composer/lenient for more information.";
+    unset($metadata['warning-versions']);
+  }
+  else {
     if ($warning = variable_get('project_composer_user_warning', FALSE)) {
       $metadata['warning'] = $warning;
     }
   }
-  else {
-    $metadata['warning'] = "The Drupal lenient endpoint has been deprecated and does not support Drupal 10. Use mglaman/composer-drupal-lenient. See https://www.drupal.org/composer/lenient for more information.";
-  }
 
   return $metadata;
 }