From 298e7a218a54a71bf0bca9379db416292c62faf3 Mon Sep 17 00:00:00 2001
From: Alexander Stehlik <alexander.stehlik@gmail.com>
Date: Fri, 29 Jan 2016 17:33:16 +0100
Subject: [PATCH] Trigger event in validate command

This allows plugins to run additional validations.
---
 src/Composer/Command/ValidateCommand.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Composer/Command/ValidateCommand.php b/src/Composer/Command/ValidateCommand.php
index fd69b0225..321453f18 100644
--- a/src/Composer/Command/ValidateCommand.php
+++ b/src/Composer/Command/ValidateCommand.php
@@ -14,6 +14,9 @@ namespace Composer\Command;
 
 use Composer\Factory;
 use Composer\Package\Loader\ValidatingArrayLoader;
+use Composer\Plugin\CommandEvent;
+use Composer\Plugin\PluginEvents;
+use Composer\Script\ScriptEvents;
 use Composer\Util\ConfigValidator;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -111,6 +114,10 @@ EOT
             }
         }
 
+        $commandEvent = new CommandEvent(PluginEvents::COMMAND, 'validate', $input, $output);
+        $eventCode = $composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent);
+        $exitCode = max($eventCode, $exitCode);
+
         return $exitCode;
     }