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From: =?UTF-8?Q?G=C3=A1bor_Boskovits?= <boskovits@gmail.com>
Subject: Re: How to declare a bind mount in the "file-systems" definition?
Date: Sun, 29 Mar 2020 11:36:57 +0200
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To: Matthew Brooks <matthewfbrooks@mailbox.org>
Cc: "help-guix@gnu.org" <help-guix@gnu.org>

Hello,

I am glad that this finally worked!

Matthew Brooks <matthewfbrooks@mailbox.org> ezt =C3=ADrta (id=C5=91pont: 20=
20.
m=C3=A1rc. 26., Cs, 16:11):
>
> On Sun, 22 Mar 2020 18:12:10 -0400
> Leo Famulari <leo@famulari.name> wrote:
>
> > Looking in the manual for mentions of bind-mount I found the
> > documentation of %immutable-store, which is a bind-mounted filesystem
> > that exists by default in Guix System. It's implemented in
> > 'gnu/systems/file-systems.scm' and hopefully provides a helpful example=
:
> >
> > https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/system/file-systems=
.scm?h=3Dv1.0.1#n346
>
> Thanks! I was able to get it working from that example!
>
> For anyone else in the future who might want the info, here's what I did:
>
> first I had to define these two things before the operating system sectio=
n:
>
> >(define data-drive
> >   (file-system
> >    (device (uuid "UUID goes here"))
> >    (mount-point "/path-to-spinning-disk-goes-here")
> >    (type "ext4")))
> >
> >(define (%tmp-directory) "/path-to-spinning-disk-goes-here/tmp")
>
> Then, in the file-systems list I added the following:
>
> >(file-systems (cons*
> >
> >                ...<other drives omitted for clarity>...
> >
> >                data-drive
> >
> >                (file-system
> >                 (device (%tmp-directory))
> >                 (mount-point "/tmp")
> >                 (type "none")
> >                 (flags '(bind-mount))
> >                 (dependencies (list data-drive))
> >                 )
> >
> >                %base-file-systems))
>

Could you consider adding an example to the cookbook?
I believe that would be a great addition.

Best regards,
g_bor
--=20
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