bug#20067: [PATCH] system: grub: Introduce foreign-menu-entry.

[Chris Marusich <cmmarusich@gmail.com>]

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ludo@gnu.org (Ludovic Courtès) writes:

> I still think that the approach proposed at
> <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20067#10> is more
> appropriate; ‘menu-entry’ would always work, no duplication would be
> necessary.
>
> As a stop-gap measure, I would prefer to (1) allow:
>
>   (menu-entry
>     ;; …
>     (linux #~(string-append #$kernel "/bzImage")))
>
> (2) remove the “/bzImage” assumption and use the above idiom everywhere
> in the current code, and (3) and have a hack along these lines to
> correctly interpret (string-append …) in the ‘parameters’ file:
>
>
> diff --git a/gnu/system.scm b/gnu/system.scm
> index d6bf6c4..467d907 100644
> --- a/gnu/system.scm
> +++ b/gnu/system.scm
> @@ -766,7 +766,11 @@ this file is the reconstruction of GRUB menu entries for old configurations."
>       (boot-parameters
>        (label label)
>        (root-device root)
> -      (kernel linux)
> +      (kernel (match linux
> +                (('string-append (? string? strings) ...)
> +                 (string-concatenate strings))
> +                (_
> +                 linux)))
>        (kernel-arguments
>         (match (assq 'kernel-arguments rest)
>           ((_ args) args)
>
>
> Thoughts?

Yes, that approach seems better to me.

-- 
Chris

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