Issue #2233787 by alexpott, xjm | tim.plunkett: Move default configuration into extension/config/install to clarify its purpose.

core/lib/Drupal/Core/Config/ConfigInstaller.php

@@ -92,23 +92,24 @@ class ConfigInstaller implements ConfigInstallerInterface {
     $source_storage = $this->getSourceStorage();
     $config_to_install = $source_storage->listAll($name . '.');
 
-    // Work out if this extension provides default configuration for any other
+    $extension_path = drupal_get_path($type, $name);
-    // enabled extensions.
+    // If the extension provides configuration schema clear the definitions.
-    $config_dir = drupal_get_path($type, $name) . '/config';
+    if (is_dir($extension_path . '/' . InstallStorage::CONFIG_SCHEMA_DIRECTORY)) {
-    if (is_dir($config_dir)) {
-      if (is_dir($config_dir . '/schema')) {
       // Refresh the schema cache if installing default configuration and the
       // extension has a configuration schema directory.
       $this->typedConfig->clearCachedDefinitions();
     }
-      // If not installing the core base system default configuration, retrieve
+
-      // the list of integration configuration of currently enabled extensions.
+    // If not installing the core base system default configuration, work out if
-      if ($type !== 'core') {
+    // this extension provides default configuration for any other enabled
-        $default_storage = new FileStorage($config_dir);
+    // extensions.
+    if ($type !== 'core' && is_dir($extension_path . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY)) {
+      $enabled_extensions = $other_module_config = array();
+      $default_storage = new FileStorage($extension_path . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY);
       $other_module_config = array_filter($default_storage->listAll(), function ($value) use ($name) {
         return !preg_match('/^' . $name . '\./', $value);
       });
-        $enabled_extensions = array();
+
       // Read enabled extensions directly from configuration to avoid circular
       // dependencies with ModuleHandler and ThemeHandler.
       $extension_config = $this->configFactory->get('core.extension');
@@ -122,7 +123,6 @@ class ConfigInstaller implements ConfigInstallerInterface {
 
       $config_to_install = array_merge($config_to_install, $other_module_config);
     }
-    }
 
     if (!empty($config_to_install)) {
       // Order the configuration to install in the order of dependencies.

core/lib/Drupal/Core/Config/ConfigInstallerInterface.php

@@ -19,7 +19,7 @@ interface ConfigInstallerInterface {
    * directories for all other extensions to locate any configuration with its
    * name prefix. For example, the Node module provides the frontpage view as a
    * default configuration file:
-   * core/modules/node/config/views.view.frontpage.yml
+   * core/modules/node/config/install/views.view.frontpage.yml
    * When the Views module is installed after the Node module is already
    * enabled, the frontpage view will be installed.
    *

core/lib/Drupal/Core/Config/ConfigManager.php

@@ -159,7 +159,7 @@ class ConfigManager implements ConfigManagerInterface {
     foreach ($config_names as $config_name) {
       $this->configFactory->get($config_name)->delete();
     }
-    $schema_dir = drupal_get_path($type, $name) . '/config/schema';
+    $schema_dir = drupal_get_path($type, $name) . '/' . InstallStorage::CONFIG_SCHEMA_DIRECTORY;
     if (is_dir($schema_dir)) {
       // Refresh the schema cache if uninstalling an extension that provides
       // configuration schema.

core/lib/Drupal/Core/Config/ExtensionInstallStorage.php

@@ -32,7 +32,7 @@ class ExtensionInstallStorage extends InstallStorage {
    *   The directory to scan in each extension to scan for files. Defaults to
    *   'config'.
    */
-  public function __construct(StorageInterface $config_storage, $directory = 'config') {
+  public function __construct(StorageInterface $config_storage, $directory = self::CONFIG_INSTALL_DIRECTORY) {
     $this->configStorage = $config_storage;
     $this->directory = $directory;
   }

core/lib/Drupal/Core/Config/InstallStorage.php

@@ -22,6 +22,16 @@ use Drupal\Core\Extension\ExtensionDiscovery;
  */
 class InstallStorage extends FileStorage {
 
+  /**
+   * Extension sub-directory containing default configuration for installation.
+   */
+  const CONFIG_INSTALL_DIRECTORY = 'config/install';
+
+  /**
+   * Extension sub-directory containing configuration schema.
+   */
+  const CONFIG_SCHEMA_DIRECTORY = 'config/schema';
+
   /**
    * Folder map indexed by configuration name.
    *
@@ -43,7 +53,7 @@ class InstallStorage extends FileStorage {
    *   The directory to scan in each extension to scan for files. Defaults to
    *   'config'.
    */
-  public function __construct($directory = 'config') {
+  public function __construct($directory = self::CONFIG_INSTALL_DIRECTORY) {
     $this->directory = $directory;
   }
 

core/modules/config/lib/Drupal/config/Tests/ConfigCRUDTest.php

@@ -9,6 +9,7 @@ namespace Drupal\config\Tests;
 
 use Drupal\Component\Utility\String;
 use Drupal\Core\Config\ConfigNameException;
+use Drupal\Core\Config\InstallStorage;
 use Drupal\simpletest\DrupalUnitTestBase;
 use Drupal\Core\Config\FileStorage;
 use Drupal\Core\Config\DatabaseStorage;
@@ -196,7 +197,7 @@ class ConfigCRUDTest extends DrupalUnitTestBase {
     $storage = new DatabaseStorage($this->container->get('database'), 'config');
     $name = 'config_test.types';
     $config = $this->container->get('config.factory')->get($name);
-    $original_content = file_get_contents(drupal_get_path('module', 'config_test') . "/config/$name.yml");
+    $original_content = file_get_contents(drupal_get_path('module', 'config_test') . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY . "/$name.yml");
     $this->verbose('<pre>' . $original_content . "\n" . var_export($storage->read($name), TRUE));
 
     // Verify variable data types are intact.

core/modules/config/lib/Drupal/config/Tests/ConfigInstallWebTest.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\config\Tests;
 
+use Drupal\Core\Config\InstallStorage;
 use Drupal\simpletest\WebTestBase;
 use Drupal\Core\Config\FileStorage;
 
@@ -122,7 +123,7 @@ class ConfigInstallWebTest extends WebTestBase {
     // Verify that the original data matches. We have to read the module config
     // file directly, because the install profile default system.cron.yml
     // configuration file was used to create the active configuration.
-    $config_dir = drupal_get_path('module', 'system') . '/config';
+    $config_dir = drupal_get_path('module', 'system') . '/'. InstallStorage::CONFIG_INSTALL_DIRECTORY;
     $this->assertTrue(is_dir($config_dir));
     $source_storage = new FileStorage($config_dir);
     $data = $source_storage->read($config_name);

core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php

@@ -8,6 +8,7 @@
 namespace Drupal\config\Tests;
 
 use Drupal\config_test\TestInstallStorage;
+use Drupal\Core\Config\InstallStorage;
 use Drupal\Core\Config\Schema\Property;
 use Drupal\Core\Config\TypedConfigManager;
 use Drupal\Core\TypedData\Type\BooleanInterface;
@@ -69,7 +70,7 @@ class DefaultConfigTest extends DrupalUnitTestBase {
     // every module, profile and theme.
     $typed_config = new TypedConfigManager(
       \Drupal::service('config.storage'),
-      new TestInstallStorage('config/schema'),
+      new TestInstallStorage(InstallStorage::CONFIG_SCHEMA_DIRECTORY),
       \Drupal::service('cache.config')
     );