[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Help with writing custom boot-loader configuration

From: Raghav Gururajan
Subject: Re: Help with writing custom boot-loader configuration
Date: Tue, 04 Jun 2019 11:40:40 -0400

> Putting together “exact Guile Scheme Code” is a lot to ask, but I can
> give you the following.  You will have to adjust it appropriately if,
> for example, you are not using EFI.  Note also that this is untested,
> but it is certainly close.
> What you want to do is create a custom bootloader that behaves just like
> GRUB except for the “installer”.  In Guix, each bootloader is defined by
> a “bootloader” record.  Part of that record is an “installer” field,
> which tells Guix how to install the bootloader onto the system.
> In addition to whatever else you use for your config file, you will need
> the following modules:
>     (use-modules (gnu)
>                  (guix gexp))
> Now you can make your custom bootloader:
>     (define grub-efi-bootloader-sans-install
>       (bootloader
>        (inherit grub-efi-bootloader)
>        (installer #~(const #t))))
> Here, “(const #t)” tells Guile to create a function that always returns
> “#t”, which means “true”.  The “#~” part introduces a G-expression,
> which is a handy way to write code that is intended to be run from the
> build environment.
> Finally, this should work as part of your configuration:
>     (operating-system
>       ;; ...
>       (bootloader (bootloader-configuration
>                    ;; ...
>                    (bootloader grub-efi-bootloader-sans-install))
> That is, you need to change your “bootloader-configuration” to use your
> new custom bootloader.
> I hope that helps!

Thank you very much.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]