GNU bug report logs - #21068
guix system: error: build failed: path `/gnu/store/..-grub.cfg' is not valid

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Germano Gabbianelli <tyrion.mx <at> gmail.com>
Subject: bug#21068: closed (Re: bug#21224: guix system init --no-grub
 doesn't work)
Date: Mon, 02 Nov 2015 22:55:04 +0000

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Your bug report

#21068: guix system: error: build failed: path `/gnu/store/..-grub.cfg' is not valid

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 21068 <at> debbugs.gnu.org.

-- 
21068: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21068
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw <at> netris.org>
Cc: 21068-done <at> debbugs.gnu.org, 21224-done <at> debbugs.gnu.org
Subject: Re: bug#21224: guix system init --no-grub doesn't work
Date: Mon, 02 Nov 2015 23:54:23 +0100

Mark H Weaver <mhw <at> netris.org> skribis:

> I ran into the same problem while porting GuixSD to MIPS, before I had
> GRUB working.
>
> The problem here is that the method for copying the necessary store
> items to the target directory is to copy grub.cfg and its transitive
> closure, using (maybe-copy grub.cfg).
>
> However, if --no-grub is specified, then grub.cfg is not built.
>
> The preliminary approach I used successfully was to build and install
> grub.cfg even if --no-grub is specified, although 'grub-install' is not
> run in that case.  Here's the patch I used:
>
> diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
> index 45f5982..6ec1f29 100644
> --- a/guix/scripts/system.scm
> +++ b/guix/scripts/system.scm
> @@ -331,8 +331,10 @@ boot directly to the kernel or to the bootloader."
>                                               (if (eq? 'init action)
>                                                   '()
>                                                   (previous-grub-entries))))
> -       (drvs   -> (if (and grub? (memq action '(init reconfigure)))
> -                      (list sys grub grub.cfg)
> +       (drvs   -> (if (memq action '(init reconfigure))
> +                      (if grub?
> +                          (list sys grub.cfg grub)
> +                          (list sys grub.cfg))
>                        (list sys)))
>         (%         (maybe-build drvs #:dry-run? dry-run?
>                                 #:use-substitutes? use-substitutes?)))

Applied in a704361, thanks!

Ludo’.

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From: Germano Gabbianelli <tyrion.mx <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: guix system: error: build failed: path `/gnu/store/..-grub.cfg' is
 not valid
Date: Wed, 15 Jul 2015 19:56:59 +0200

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Hello,
I am using lubuntu 14.04 and I installed the binary version of guix 
following the documentation ( 
https://www.gnu.org/software/guix/manual/html_node/Binary-Installation.html#Binary-Installation 
)

Then I ran `guix pull`, made a new partition (ext4) and tried to run 
`guix system init` on it:

$ sudo guix system init /mnt/etc/config.scm /mnt

The config.scm is attached. The interesting part is that I specified to 
install grub on /dev/sda9 ( the root partition for guix) instead of 
/dev/sda. The command failed saying that "Embedding is not possible" ( 
here details: https://paste.debian.net/282642/ ).

Following the advice got from Mark on the IRC channel I tried specifing 
the --no-grub flag, but got an other error:

tyrion ~$ sudo guix system init --no-grub /mnt/etc/config.scm /mnt
[sudo] password for tyrion:
warning: failed to install locale: Invalid argument
/gnu/store/q32xg8nmyjwrl5yc18hj7ay5h4rgzkgy-system

initializing operating system under '/mnt'...
guix system: error: build failed: path 
`/gnu/store/hill6gywff6p2c3h1zbc7h5xj0cr4yn2-grub.cfg' is not valid

I also trying reinstalling guix by deleting /gnu, /var/guix, and 
/var/log/guix (and also wiping the partition with rm)
and following again the documentation. Tried again the last command and 
got the same error again.

[config.scm (text/x-scheme, attachment)]

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