From 00c4c5c4a1bc664d8b9dde6e3eca56fc43dfe267 Mon Sep 17 00:00:00 2001
From: Michael DeHaan <michael.dehaan@gmail.com>
Date: Tue, 28 Aug 2012 20:33:36 -0400
Subject: [PATCH] If tags "all" is used, don't choke.

---
 lib/ansible/playbook/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/ansible/playbook/__init__.py b/lib/ansible/playbook/__init__.py
index 1e1402da0c3..78a725fe51c 100644
--- a/lib/ansible/playbook/__init__.py
+++ b/lib/ansible/playbook/__init__.py
@@ -166,7 +166,8 @@ class PlayBook(object):
         # if the playbook is invoked with --tags that don't exist at all in the playbooks
         # then we need to raise an error so that the user can correct the arguments.
         unknown_tags = set(self.only_tags) - (matched_tags_all | unmatched_tags_all)
-        
+        unknown_tags.discard('all')       
+ 
         if len(unknown_tags) > 0:
             unmatched_tags_all.discard('all')
             msg = 'tag(s) not found in playbook: %s.  possible values: %s'