Provide drupal:scaffold command. Keep drupal-scaffold as BC layer (#61)

Author: webflo

src/CommandProvider.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace DrupalComposer\DrupalScaffold;
+
+use Composer\Plugin\Capability\CommandProvider as CommandProviderCapability;
+
+class CommandProvider implements CommandProviderCapability {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCommands() {
+    return [
+      new DrupalScaffoldCommand()
+    ];
+  }
+
+}

src/DrupalScaffoldCommand.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace DrupalComposer\DrupalScaffold;
+
+use Composer\Command\BaseCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class DrupalScaffoldCommand extends BaseCommand {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function configure() {
+    parent::configure();
+    $this
+      ->setName('drupal:scaffold')
+      ->setDescription('Update the Drupal scaffold files.');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function execute(InputInterface $input, OutputInterface $output) {
+    $handler = new Handler($this->getComposer(), $this->getIO());
+    $handler->downloadScaffold();
+    // Generate the autoload.php file after generating the scaffold files.
+    $handler->generateAutoload();
+  }
+
+}

src/Plugin.php

@@ -11,6 +11,7 @@
 use Composer\Installer\PackageEvent;
 use Composer\Installer\PackageEvents;
 use Composer\IO\IOInterface;
+use Composer\Plugin\Capable;
 use Composer\Plugin\CommandEvent;
 use Composer\Plugin\PluginEvents;
 use Composer\Plugin\PluginInterface;
@@ -19,7 +20,7 @@
 /**
  * Composer plugin for handling drupal scaffold.
  */
-class Plugin implements PluginInterface, EventSubscriberInterface {
+class Plugin implements PluginInterface, EventSubscriberInterface, Capable {
 
   /**
    * @var \DrupalComposer\DrupalScaffold\Handler
@@ -37,15 +38,22 @@ public function activate(Composer $composer, IOInterface $io) {
     $this->handler = new Handler($composer, $io);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getCapabilities() {
+    return array(
+      'Composer\Plugin\Capability\CommandProvider' => 'DrupalComposer\DrupalScaffold\CommandProvider',
+    );
+  }
+
   /**
    * {@inheritdoc}
    */
   public static function getSubscribedEvents() {
     return array(
       PackageEvents::POST_PACKAGE_INSTALL => 'postPackage',
       PackageEvents::POST_PACKAGE_UPDATE => 'postPackage',
-      //PackageEvents::POST_PACKAGE_UNINSTALL => 'postPackage',
-      //ScriptEvents::POST_INSTALL_CMD => 'postCmd',
       ScriptEvents::POST_UPDATE_CMD => 'postCmd',
       PluginEvents::COMMAND => 'cmdBegins',
     );
@@ -83,11 +91,16 @@ public function postCmd(\Composer\Script\Event $event) {
    * scaffold files.
    *
    * @param \Composer\Script\Event $event
+   *
+   * @deprecated since version 2.5.0, to be removed in 3.0. Use the command
+   *   "composer drupal:scaffold" instead.
    */
   public static function scaffold(\Composer\Script\Event $event) {
+    @trigger_error('\DrupalComposer\DrupalScaffold\Plugin::scaffold is deprecated since version 2.5.0 and will be removed in 3.0. Use "composer drupal:scaffold" instead.', E_USER_DEPRECATED);
     $handler = new Handler($event->getComposer(), $event->getIO());
     $handler->downloadScaffold();
     // Generate the autoload.php file after generating the scaffold files.
     $handler->generateAutoload();
   }
+
 }