From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Graphical Installer - Call for Testing.
Date: Mon, 17 Jul 2017 15:34:47 +0200
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In-Reply-To: <20170712133054.3af3ab2d@scratchpost.org> (Danny Milosavljevic's
	message of "Wed, 12 Jul 2017 13:30:54 +0200")
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To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: guix-devel@gnu.org, John Darrington <john@darrington.wattle.id.au>

Danny Milosavljevic <dannym@scratchpost.org> skribis:

> Hi Ludo,
>
>> Yes.  At the REPL, you can do:
>>=20
>>   ,use(guix)
>>   ,run-in-store (system-disk-image installation-os)
>
> I tried:
>
> ,use (gnu system vm)
> ,use (gnu system install)
> ,use (guix)
> ,run-in-store (system-disk-image installation-os)
> (derivation->output-path $3)
>
> and get
>
> $3 =3D #<derivation /gnu/store/wqba6wghk3j9jk1sxqb4a2lv730jpcmp-disk-imag=
e.drv =3D> /gnu/store/pjrkpnz4bgpiqgdix8ldz0psp53zr4kr-disk-image b0bbe60>
> $5 =3D "/gnu/store/pjrkpnz4bgpiqgdix8ldz0psp53zr4kr-disk-image"
>
> But /gnu/store/pjrkpnz4bgpiqgdix8ldz0psp53zr4kr-disk-image doesn't exist =
yet.
>
> What should I do to make guix build the image?

You should build the derivation, either from the REPL:

  ,run-in-store (built-derivations (list $3))

or from the shell:

  guix build /gnu/store/wqba6wghk3j9jk1sxqb4a2lv730jpcmp-disk-image.drv

HTH!

Ludo=E2=80=99.