Restore handling of click.Option.hidden=True

This is now standard but only in Click version 8
We still nee to do it ourselves for older versions.

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

src/commoncode/cliutils.py

@@ -381,7 +381,6 @@ def __init__(
             allow_from_autoenv=allow_from_autoenv,
             type=type,
             help=help,
-            hidden=hidden,
             **kwargs
         )
 
@@ -412,6 +411,11 @@ def validate_dependencies(self, ctx, value):
         _validate_option_dependencies(ctx, self, value, self.required_options, required=True)
         _validate_option_dependencies(ctx, self, value, self.conflicting_options, required=False)
 
+    def get_help_record(self, ctx):
+        if not self.hidden:
+            return click.Option.get_help_record(self, ctx)
+
+
 
 def validate_option_dependencies(ctx):
     """