support -V, --version

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

bin/cdist

@@ -100,6 +100,7 @@ class Cdist:
          self.base_dir = home
       else:
          self.base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
+
       self.conf_dir              = os.path.join(self.base_dir, "conf")
       self.global_explorer_dir   = os.path.join(self.conf_dir, "explorer")
       self.lib_dir               = os.path.join(self.base_dir, "lib")
@@ -611,10 +612,16 @@ if __name__ == "__main__":
 #       help='Operate on multiple hosts sequentially',
 #       action='store_false', dest='parallel')
    
+   parser.add_argument('-V', '--version', help='Show version',
+       action='version', version='%(prog)s ' + VERSION)
+
    args = parser.parse_args(sys.argv[1:])
    if args.debug:
        logging.root.setLevel(logging.DEBUG)
 
+   print(args)
+   sys.exit(1)
+
    if args.banner:
       banner()
       sys.exit(0)