From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Use guix to distribute data & reproducible (data) science
Date: Sat, 10 Feb 2018 00:17:33 +0100
Message-ID: <8760757nxu.fsf@elephly.net>
References: <365e13248634ac1e26cf6678611d550d@hypermove.net>
	<87mv0ixf07.fsf@gnu.org>
	<1cb709d0-b282-192c-ce1d-20fbff43430e@fastmail.net>
	<CAJ3okZ2rsr=NYa7U_Af33puNaMsXuCL2jSjh5UMnFUubGqEnaw@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:37962)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rekado@elephly.net>) id 1ekHvQ-0008Jt-Id
	for guix-devel@gnu.org; Fri, 09 Feb 2018 18:17:49 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <rekado@elephly.net>) id 1ekHvN-0004M4-ER
	for guix-devel@gnu.org; Fri, 09 Feb 2018 18:17:48 -0500
Received: from sender-of-o51.zoho.com ([135.84.80.216]:21023)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)
	(Exim 4.71) (envelope-from <rekado@elephly.net>) id 1ekHvN-0004Lj-5G
	for guix-devel@gnu.org; Fri, 09 Feb 2018 18:17:45 -0500
In-reply-to: <CAJ3okZ2rsr=NYa7U_Af33puNaMsXuCL2jSjh5UMnFUubGqEnaw@mail.gmail.com>
List-Id: "Development of GNU Guix and the GNU System distribution."
	<guix-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/guix-devel/>
List-Post: <mailto:guix-devel@gnu.org>
List-Help: <mailto:guix-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=subscribe>
Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org
Sender: "Guix-devel" <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
To: zimoun <zimon.toutoune@gmail.com>
Cc: Guix Devel <guix-devel@gnu.org>


zimoun <zimon.toutoune@gmail.com> writes:

> I do not know so much, but a idea should to write a workflow: you
> fetch the data, you clean them and you check by hashing that the
> result is the expected one. Only the softwares used to do that are in
> the store. The input and output data are not, but your workflow check
> that they are the expected ones.
> However, it depends on what we are calling 'cleaning' because some
> algorithms are not deterministic.
>
> Hum? I do not know if there is some mechanism in GWL to check the hash
> of the `data-inputs' field.

In the GWL the data-inputs field is not special as far as any of the
current execution engines are concerned.  It=E2=80=99s up to the execution
engine to implement recency checks or identity checks as there is not
one size that fits all inputs.

--=20
Ricardo

GPG: BCA6 89B6 3655 3801 C3C6  2150 197A 5888 235F ACAC
https://elephly.net