Issue #2833756 by 20th: Check that public://library-definitions directory does not exist

CHANGELOG.txt

 
 Libraries 8.x-3.x, xxxx-xx-xx
 -----------------------------
+#2833756 by 20th: Check that public://library-definitions directory does not exist
 #2825940 by tstoeckler, rjacobs: Remove LibrariesServiceProvider
 #2816115 by rjacobs: Remove ExtensionHandler service
 #2770983 by rjacobs: Update services.yml to reference new registry URL of http://cgit.drupalcode.org/libraries_registry/plain/registry/8

libraries.install

@@ -11,16 +11,20 @@ use Drupal\libraries\ExternalLibrary\Definition\FileDefinitionDiscovery;
  * Implements hook_install().
  */
 function libraries_install() {
-  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
-  $file_system = \Drupal::service('file_system');
-  $file_system->mkdir('public://library-definitions');
+  if (!is_dir('public://library-definitions')) {
+    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
+    $file_system = \Drupal::service('file_system');
+    $file_system->mkdir('public://library-definitions');
+  }
 }
 
 /**
  * Implements hook_uninstall().
  */
 function libraries_uninstall() {
-  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
-  $file_system = \Drupal::service('file_system');
-  $file_system->rmdir('public://library-definitions');
-}
\ No newline at end of file
+  if (is_dir('public://library-definitions')) {
+    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
+    $file_system = \Drupal::service('file_system');
+    $file_system->rmdir('public://library-definitions');
+  }
+}