now all --list options are working!

lib/ansible/cli/playbook.py

@@ -159,8 +159,9 @@ class PlaybookCLI(CLI):
                         playname = '#' + str(i)
 
                     msg = "\n  PLAY: %s" % (playname)
-                    if self.options.listtags:
-                        mytags = set(play.tags)
+                    mytags = set()
+                    if self.options.listtags and play.tags:
+                        mytags = mytags.union(set(play.tags))
                         msg += '\n    tags: [%s]' % (','.join(mytags))
 
                     if self.options.listhosts:
@@ -172,15 +173,19 @@ class PlaybookCLI(CLI):
                     self.display.display(msg)
 
                     if self.options.listtags or self.options.listtasks:
-                        j = 1
                         taskmsg = '    tasks:'
 
-                        for task in play.get_tasks():
+                        for block in play.compile():
+                            if not block.has_tasks():
+                                continue
+
+                            j = 1
+                            for task in block.block:
                                 taskmsg += "\n      %s" % task
-                            if self.options.listtags:
-                                pass
-                                #taskmsg += "    %s" % ','.join(mytags.union(set(task.tags))) #FIXME: find out how to get task tags
+                                if self.options.listtags and task.tags:
+                                    taskmsg += "\n        tags: [%s]" % ','.join(mytags.union(set(task.tags)))
                                 j = j + 1
+
                         self.display.display(taskmsg)
 
                     i = i + 1