Subject: bug#27007: [PATCH 2/2] doc: Adapt to multiple bootloader support.

From: [email-masked] (Ludovic Courtès)
Date: Wed, 07 Jun 2017 00:51:56 +0200

Hi Danny,

Danny Milosavljevic <[email-masked]> skribis:

> On Mon, 05 Jun 2017 12:36:28 +0200
> [email-masked] (Ludovic Courtès) wrote:
>
>> What happens with other bootloaders?  Do we get older boot entries?
>
> Yes, but U-Boot has no support for submenus, only one menu [1].  Extlinux-the-format technically does support submenus [2].

OK.

>> >  @item switch-generation
>
>> What happens to the bootloader itself?  Does it change the bootloader to
>> the one that was chosen back then?
>
> No.  We had been thinking about it but it's unsafe to do that.
>
> So instead switch-generation will always reuse the bootloader that was used in the current generation.
>
> switch-generation has the same effect as manually selecting another menu entry from the boot menu on bootup would have had - it just additionally defaults to that entry.
>
> On the other hand, when you run "guix system reconfigure" or "guix system init":  There, it will install and use the (newly) specified one.

OK, got it, thanks for clarifying!

I think it would make sense to be explicit about this in the manual.

Ludo’.