From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Wingo <wingo@igalia.com>
Subject: Re: guix system init: failed to get path of `/boot/efi'
Date: Mon, 18 Sep 2017 11:04:33 +0200
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References: <5368e2b3-3d1d-b4c7-1c87-a86fc21be8a6@crazy-compilers.com>
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	(Hartmut Goebel's message of "Mon, 18 Sep 2017 10:04:05 +0200")
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To: Hartmut Goebel <h.goebel@crazy-compilers.com>
Cc: guix-devel <guix-devel@gnu.org>

On Mon 18 Sep 2017 10:04, Hartmut Goebel <h.goebel@crazy-compilers.com> wri=
tes:

> Hi,
>
> For installing a GuixSD in e fresh system I followed the installation
> instructions in the manual. As described in the manual, I did set
>
> =C2=A0 (bootloader (bootloader-configuration
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 (bootloader grub-efi-bootloader)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 (target "/boot/efi")))
>
> But running
>
> root@gnu ~# ls -d /mnt/boot/efi
> /mnt/boot/efi/
> root@gnu ~# guix system init /mnt/etc/config.scm /mnt
>
> failed with:
>
> populating '/mnt'...
> Installing for x86_64-efi platform.
> /gnu/store/=E2=80=A6-grub-efi-2.02/sbin/grub-install: error: failed to get
> canonical path of `/boot/efi'.
>
> Obviously grub-install is not "chroot"-ing to /mnt.
>
> Is this expected behavior? And what is the correct solution?

You need to mount the EFI partition to /boot/efi in the installation
system.  As the manual says in "Preparing for Installation" (perhaps not
clearly enough):

   If you instead wish to use EFI-based GRUB, a FAT32 =E2=80=9CEFI System
   Partition=E2=80=9D (ESP) is required.  This partition should be mounted =
at
   =E2=80=98/boot/efi=E2=80=99 and must have the =E2=80=98esp=E2=80=99 flag=
 set.

Andy