This implements a basic --check mode which for now is only implemented on template & copy operations. More detail will be shared with the list

shortly.

copy

@@ -69,7 +69,7 @@ def main():
             dest=dict(required=True),
             backup=dict(default=False, choices=BOOLEANS),
         ),
-        add_file_common_args=True
+        add_file_common_args=True,
     )
 
     src  = os.path.expanduser(module.params['src'])

file

@@ -134,7 +134,8 @@ def main():
             state = dict(choices=['file','directory','link','absent'], default='file'),
             path  = dict(aliases=['dest', 'name'], required=True),
         ),
-        add_file_common_args=True
+        add_file_common_args=True,
+        supports_check_mode=True
     )
 
     params = module.params

ping

@@ -36,7 +36,8 @@ author: Michael DeHaan
 
 def main():
     module = AnsibleModule(
-        argument_spec = dict()
+        argument_spec = dict(),
+        supports_check_mode = True
     )
     module.exit_json(ping='pong')
 

setup

@@ -914,7 +914,8 @@ def run_setup(module):
 def main():
     global module
     module = AnsibleModule(
-        argument_spec = dict()
+        argument_spec = dict(),
+        supports_check_mode = True,
     )
     data = run_setup(module)
     module.exit_json(**data)