From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Guix & IPFS
Date: Thu, 25 Oct 2018 15:34:02 +0200
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In-Reply-To: <87efcfxx7y.fsf@ambrevar.xyz> (Pierre Neidhardt's message of
	"Wed, 24 Oct 2018 15:58:41 +0200")
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To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: Guix-devel <guix-devel@gnu.org>

Hello!

Pierre Neidhardt <mail@ambrevar.xyz> skribis:

>> To be precise, builders of fixed-output derivations (derivations for
>> which the hash of the result is known in advance) have network access.
>
> Oh, I did not know this detail.  Thanks for pointing it out!

[...]

> +  (mlet %store-monad ((guile (package->derivation guile system)))
> +    (gexp->derivation (or name "gx-checkout") build
> +                      #:system system
> +                      #:local-build? #t
> +                      #:hash-algo hash-algo
> +                      #:hash hash
> +                      #:recursive? #t
> +                      #:guile-for-build guile)))

As long as =E2=80=98hash-algo=E2=80=99 and =E2=80=98hash=E2=80=99 are true,=
 it does define a
fixed-output derivation, so the builder should indeed have network
access.

What does =E2=80=98gx=E2=80=99 tell you in the builder?

HTH,
Ludo=E2=80=99.