begin dry run in command line

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>

cdist/core/cdist_object.py

@@ -50,7 +50,6 @@ class MissingObjectIdError(cdist.Error):
     def __str__(self):
         return '%s' % (self.message)
 
-
 class CdistObject(object):
     """Represents a cdist object.
 

scripts/cdist

@@ -62,6 +62,8 @@ def commandline():
     parser['configinstall'].add_argument('-i', '--initial-manifest', 
          help='Path to a cdist manifest or \'-\' to read from stdin.',
          dest='manifest', required=False)
+    parser['configinstall'].add_argument('-n', '--dry-run',
+         help='Do not execute code', action='store_true')
     parser['configinstall'].add_argument('-p', '--parallel',
          help='Operate on multiple hosts in parallel',
          action='store_true', dest='parallel')