From e16b9aa3a03ec2f824e04a97dca09b5806bc44f7 Mon Sep 17 00:00:00 2001
From: Marcus McCurdy <mmccurdy@50onred.com>
Date: Mon, 2 Sep 2013 11:14:40 -0400
Subject: [PATCH] Improves lineinfile's error checking

Line in file would raise a TypeError exception if
the 'line' key was in params, but its value was None.
---
 files/lineinfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/files/lineinfile b/files/lineinfile
index 29ff9603fdf..7dd38a3cf05 100644
--- a/files/lineinfile
+++ b/files/lineinfile
@@ -305,7 +305,7 @@ def main():
         module.fail_json(rc=256, msg='Destination %s is a directory !' % dest)
 
     if params['state'] == 'present':
-        if 'line' not in params:
+        if params.get('line') is None:
             module.fail_json(msg='line= is required with state=present')
 
         # Deal with the insertafter default value manually, to avoid errors