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Re: Help with writing custom boot-loader configuration


From: Timothy Sample
Subject: Re: Help with writing custom boot-loader configuration
Date: Wed, 05 Jun 2019 09:36:40 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Hi Raghav,

Raghav Gururajan <address@hidden> writes:

>> 
>> My first thought after reading your question was 
>> <https://lists.gnu.org/archive/html/help-guix/2019-05/msg00275.html>. 
>
> Yes, I was looking for a method other than using (const ~#t).

Heh.  I didn’t see this before.  Sorry for sending you code you already
had!

>> However, I guess you need something else, but I'm not sure what it is. Can 
>> you explain more what you're trying to do? Thanks!
>
> I was looking for a way to directly alter the behaviour of grub-installer. The
> two of all functions of grub-installer are "grub-install" and "grub-mkconfig".
> The former install grub binaries on disk and the latter generates grub
> configuration file inside root partition under boot directory. I was thinking 
> if
> there is a straight-forward way to make the grub-installer to invoke ONLY 
> "grub-
> mkconfig" and NOT "grub-install"??

I’m not quite sure what you are asking, since Guix does not use
“grub-mkconfig”.  It has its own way of generating a GRUB configuration
file.  The “#~(const #t)” trick is the Guix version of running
“grub-mkconfig” and not “grub-install”.  Is it working for you?

Is it that you want to use “grub-mkconfig” instead of Guix’s normal
method?  To be honest, it may be possible, but it’s only for the brave
of heart (or at least for those who can tolerate a lot of annoying
difficulties).  :)  The easiest way to do that would be to install GRUB
and run “grub-mkconfig” manually.


-- Tim



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