Re: guix system delete-generations -- advice?

[Thomas Danckaert]

From: address@hidden (Ludovic Courtès)
Subject: Re: guix system delete-generations -- advice?
Date: Tue, 07 Mar 2017 15:42:44 +0100

> > One thing I'm not satisfied with is this: `reinstall-grub' does not
> > reproduce custom grub menu entries added in the 
> > (grub-configuration)
> > section of a system's bootloader configuration.
> > [...]
> > Is there a way to retrieve the current custom grub entries, other 
> > than
> > providing a system configuration, or, I hardly dare say it out 
> > loud,
> > parsing grub.cfg? How could this be improved?
>
> Very good point, it’s really a shortcoming.
>
> To fix it we could add the extra entries to <boot-parameters> (which
> you can see as /run/current-system/parameters.)  See what I mean?

Yes, that should work!

> As for how to proceed, I’m fine either way: we could commit your 
> ‘guix
> system delete-generation’ patch first, with the understanding that 
> it
> has the bug you describe, and then fix the bug; or we could do it 
> the
> other way around.

I'd prefer to fix the bug first.  My patch is a bit messy anyway (I 
just made (delete-matching-generations) an exported function in (guix 
scripts package)), and without the grub fix, it doesn't really 
improve things a lot.

> [...]
> Doh!  It’s a bug in Guile’s (srfi srfi-37).  Could you send it to
> address@hidden

Done!

Thomas