Re: [PATCH] hide `Try 'help' for usage' if help doestn't exist in rescue mode

[Robert Millan <rmh@aybabtu.com>]

On Sun, Sep 06, 2009 at 08:03:31PM +0200, Felix Zielcke wrote:
> I think we shouldn't tell users to type `help' if the command doestn't
> exist in rescue mode, i.e. minicmd isn't included in core.img
> This increases the size of kernel.img for me by 28 bytes. I think it's
> worth.
> 
> It's so small I don't bother to attach it:
> 
> 2009-09-06  Felix Zielcke  <fzielcke@z-51.de>
> 
> 	* kern/rescue_parser.c (grub_rescue_parse_line): Only suggest to try
> 	`help' if the command exists.
> 
> diff --git a/kern/rescue_parser.c b/kern/rescue_parser.c
> index 79f32b8..1e0841e 100644
> --- a/kern/rescue_parser.c
> +++ b/kern/rescue_parser.c
> @@ -61,7 +61,8 @@ grub_rescue_parse_line (char *line, grub_reader_getline_t getline)
>    else
>      {
>        grub_printf ("Unknown command `%s'\n", name);
> -      grub_printf ("Try `help' for usage\n");
> +      if (grub_command_find ("help"))
> +	grub_printf ("Try `help' for usage\n");
>      }
>  
>   quit:

Seems fine.

-- 
Robert Millan

  The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
  how) you may access your data; but nobody's threatening your freedom: we
  still allow you to remove your data and not access it at all."