Re: Dualbooting with guixsd not handling grub installation

[ludo@gnu.org (Ludovic Courtès)]

Hello,

Mathieu Othacehe <m.othacehe@gmail.com> skribis:

>>> This could be done by adding a cli argument for reconfigure or allowing
>>> an empty string in (grub-configuration (target "")).
>>>
>>> WDYT?
>>>
>
> An already available option would be to override the grub-installer like
> this :
>
> (define no-op-installer
>   #~(lambda (bootloader device mount)
>       (display "no op")))
>
> (bootloader (bootloader
>              (inherit grub-bootloader)
>              (installer no-op-installer))

We could even define and document it as ‘no-bootloader’ or something
like that.

> I admit this is not ideal, so I would propose two options :
>
> * Allow for target field to be #f and do not call the installer when
> this happends.

Sounds reasonable.

> * Precise the --no-bootloader parameter of guix system to deal with
> multiple cases, for example :
>
> --bootloader=[default|no-config-file|no-install|...]
>
> WDYT ?

What would it do in the ‘no-config-file’ case?  Run ‘grub-install’ (or
similar) without regenerating ‘grub.cfg’?  Does that make sense?

Thanks,
Ludo’.