Re: [PATCHv2] gitweb: refactor input parameters parse/validation

> Since input parameters can be obtained both from CGI parameters and
> PATH_INFO, we would like most of the code to be agnostic about the way
> parameters were retrieved. We thus collect all the parameters into the
> new %input_params hash, delaying validation after the collection is
> completed.

> @@ -672,6 +694,25 @@ sub href (%) {
>  ## ======================================================================
>  ## validation, quoting/unquoting and escaping
>  
> +sub validate_action {
> +	my $input = shift || return undef;
> +	return undef unless exists $actions{$action};
> +	return $action;
> +}