From e11c426c3832be9a3e2ef11a6dbe73c958b16ae4 Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Sat, 1 Nov 2014 22:18:35 -0600
Subject: [PATCH] fix for 'installed undefined' error

---
 system/src/Grav/Console/Gpm/VersionCommand.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/system/src/Grav/Console/Gpm/VersionCommand.php b/system/src/Grav/Console/Gpm/VersionCommand.php
index 8840423d2..c1068d8ab 100644
--- a/system/src/Grav/Console/Gpm/VersionCommand.php
+++ b/system/src/Grav/Console/Gpm/VersionCommand.php
@@ -58,6 +58,8 @@ class VersionCommand extends Command
         $this->gpm = new GPM($this->input->getOption('force'));
         $packages = $this->input->getArgument('package');
 
+        $installed = false;
+
         if (!count($packages)) {
             $packages = ['grav'];
         }