install: Move unattended option to the general help section

https://fedorahosted.org/freeipa/ticket/4517

Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>

ipapython/install/cli.py

@@ -78,12 +78,22 @@ class ConfigureTool(admintool.AdminTool):
 
     @classmethod
     def add_options(cls, parser):
+        transformed_cls = cls._transform(cls.configurable_class)
+
+        if issubclass(transformed_cls, common.Interactive):
+            parser.add_option(
+                '-U', '--unattended',
+                dest='unattended',
+                default=False,
+                action='store_true',
+                help="unattended (un)installation never prompts the user",
+            )
+
         basic_group = optparse.OptionGroup(parser, "basic options")
 
         groups = collections.OrderedDict()
         groups[None] = basic_group
 
-        transformed_cls = cls._transform(cls.configurable_class)
         for owner_cls, name in transformed_cls.knobs():
             knob_cls = getattr(owner_cls, name)
             if cls.positional_arguments and name in cls.positional_arguments:
@@ -134,15 +144,6 @@ class ConfigureTool(admintool.AdminTool):
                     **kwargs
                 )
 
-        if issubclass(transformed_cls, common.Interactive):
-            basic_group.add_option(
-                '-U', '--unattended',
-                dest='unattended',
-                default=False,
-                action='store_true',
-                help="unattended (un)installation never prompts the user",
-            )
-
         for group, opt_group in groups.items():
             parser.add_option_group(opt_group)