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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Help with a basic GuixSD installation
Date: Mon, 06 Jul 2015 00:33:21 +0200
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In-Reply-To: <87r3on3tq7.fsf@netris.org> (Mark H. Weaver's message of "Sun, 05
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To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel <guix-devel@gnu.org>, =?utf-8?B?Q2xhZXMgV2FsbGluICjpn4vlmInoqqAp?= <clacke+gmail@lysator.liu.se>

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

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>
>> "Claes Wallin (=E9=9F=8B=E5=98=89=E8=AA=A0)" <clacke+gmail@lysator.liu.s=
e> skribis:
>>
>>> So *that's* what the mysterious (title 'label) means!
>>
>> It=E2=80=99s not that mysterious:
>
> IMO, 'title' is a very confusing name for that field, because its value
> is not the title of anything, but rather determines how the value of the
> 'device' field will be interpreted.

Yeah, it=E2=80=99s not satisfying, but I didn=E2=80=99t have any better ide=
a.

> However, to go a bit further: it would be great if all 'device' fields
> in the OS config used a consistent syntax for specifying devices by
> label or uuid.  I prefer to reference my swap partition by label, so I
> use "/dev/disk/by-label/=E2=80=A6" in 'swap-partitions', but the lack of
> symmetry with 'file-system' grates on me.

Right, that=E2=80=99s a problem.

> Here's an idea: the values of device fields could be either strings or
> lists of the form:
>
>   (uuid "6f8ab=E2=80=A6")
>   (label "foo")
>
> Thoughts?

What about a <device> data type?

  (device
    (kind 'uuid)
    (value "6f8ab=E2=80=A6"))

Ludo=E2=80=99.