From b9a3cc551e1ab6c2125add5d21e3eed3c46b9c61 Mon Sep 17 00:00:00 2001
From: Vadim Berezniker <vadim@berezniker.com>
Date: Wed, 6 Mar 2013 16:58:57 -0800
Subject: [PATCH] Respect gem_source option if specified

---
 library/gem | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/gem b/library/gem
index 104c4ecd778..156554b2b3b 100644
--- a/library/gem
+++ b/library/gem
@@ -151,7 +151,7 @@ def main():
     if module.params['gem_source'] and module.params['state'] == 'latest':
         module.fail_json(msg="Cannot maintain state=latest when installing from local source")
 
-    if module.params['gem_source'] is not 'null':
+    if not module.params['gem_source']:
         module.params['gem_source'] = module.params['name']
 
     changed = False