From bcfab26d7836a13effad1fa766be4a7cf807f42d Mon Sep 17 00:00:00 2001
From: kubilus1 <mattkubilus@gmail.com>
Date: Mon, 11 Apr 2016 01:55:07 -0400
Subject: [PATCH] Unchecked index causes IndexError.

---
 lib/ansible/modules/extras/system/crypttab.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/ansible/modules/extras/system/crypttab.py b/lib/ansible/modules/extras/system/crypttab.py
index d483e33963..842b5bc7d0 100755
--- a/lib/ansible/modules/extras/system/crypttab.py
+++ b/lib/ansible/modules/extras/system/crypttab.py
@@ -205,6 +205,8 @@ class Crypttab(object):
         for line in self._lines:
             lines.append(str(line))
         crypttab = '\n'.join(lines)
+        if len(crypttab) == 0:
+            crypttab += '\n'
         if crypttab[-1] != '\n':
             crypttab += '\n'
         return crypttab