Merge pull request #24 from drupal-composer/post-scaffold

Introduce a pre-scaffold event and a post-scaffold event.

Author: greg-1-anderson

src/Handler.php

@@ -12,12 +12,16 @@
 use Composer\DependencyResolver\Operation\UpdateOperation;
 use Composer\IO\IOInterface;
 use Composer\Package\PackageInterface;
+use Composer\EventDispatcher\EventDispatcher;
 
 use Composer\Util\Filesystem;
 use Symfony\Component\Filesystem\Filesystem as SymfonyFilesystem;
 
 class Handler {
 
+ const PRE_DRUPAL_SCAFFOLD_CMD = 'pre-drupal-scaffold-cmd';
+ const POST_DRUPAL_SCAFFOLD_CMD = 'post-drupal-scaffold-cmd';
+
  /**
  * @var \Composer\Composer
  */
@@ -102,6 +106,10 @@ public function downloadScaffold() {
  $excludes = $this->getExcludes();
  $includes = $this->getIncludes();
 
+ // Call any pre-scaffold scripts that may be defined.
+ $dispatcher = new EventDispatcher($this->composer, $this->io);
+ $dispatcher->dispatch(self::PRE_DRUPAL_SCAFFOLD_CMD);
+
  // Run Robo
  static::execute(
  [
@@ -120,6 +128,9 @@ public function downloadScaffold() {
  static::array_to_csv($includes),
  ]
  );
+
+ // Call post-scaffold scripts.
+ $dispatcher->dispatch(self::POST_DRUPAL_SCAFFOLD_CMD);
  }
 
  /**