Store the ${last_result} for each host to make it usable in only_if conditionals and such.

CHANGELOG.md

@@ -27,6 +27,7 @@ Ansible Changes By Release
 * allow variables in parameterized task include parameters (regression)
 * make remote_md5 internal function work with non-bash shells
 * allow user to be passed in via --extra-vars (regression)
+* ${last_result} variable stores the last result for each host
 
 0.6 "Cabo" -- August 6, 2012
 

lib/ansible/playbook/__init__.py

@@ -224,6 +224,7 @@ class PlayBook(object):
         for host, result in results['contacted'].iteritems():
             facts = result.get('ansible_facts', {})
             self.SETUP_CACHE[host].update(facts)
+            self.SETUP_CACHE[host]['last_result'] = result
 
         # flag which notify handlers need to be run
         if len(task.notify) > 0: