From c0998761c0ca9bf8fbed11e0f3a4c6689b0df1a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonathan=20Ara=C3=B1a=20Cruz?= <jonhattan@faita.net>
Date: Thu, 19 Nov 2015 11:46:01 +0000
Subject: [PATCH] Drupal 8: Refresh module cache after downloading new modules.
 Fixes #5.

---
 commands/pm/pm.drush.inc                |  4 ++++
 lib/Drush/Drupal/ExtensionDiscovery.php | 12 ++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 lib/Drush/Drupal/ExtensionDiscovery.php

diff --git a/commands/pm/pm.drush.inc b/commands/pm/pm.drush.inc
index 332150d749..1c5e7ebb04 100644
--- a/commands/pm/pm.drush.inc
+++ b/commands/pm/pm.drush.inc
@@ -1030,6 +1030,10 @@ function drush_pm_enable_validate() {
       // Restore DRUSH_AFFIRMATIVE context.
       drush_set_context('DRUSH_AFFIRMATIVE', $drush_affirmative);
       // Refresh module cache after downloading the new modules.
+      if (drush_drupal_major_version() >= 8) {
+        \Drush\Drupal\ExtensionDiscovery::reset();
+        system_list_reset();
+      }
       $extension_info = drush_get_extensions();
       $recheck = TRUE;
     }
diff --git a/lib/Drush/Drupal/ExtensionDiscovery.php b/lib/Drush/Drupal/ExtensionDiscovery.php
new file mode 100644
index 0000000000..1fbc51c1c5
--- /dev/null
+++ b/lib/Drush/Drupal/ExtensionDiscovery.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Drush\Drupal;
+
+use \Drupal\Core\Extension\ExtensionDiscovery as DrupalExtensionDiscovery;
+
+class ExtensionDiscovery extends DrupalExtensionDiscovery {
+  static public function reset() {
+    static::$files = array();
+  }
+}
+