From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#29570: challenge Backtraces
Date: Tue, 05 Dec 2017 21:56:41 +0100
Message-ID: <871sk8c2ra.fsf@gnu.org>
References: <87wp22w0bw.fsf@aikidev.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:50449)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1eMKH3-0005Hv-RI
	for bug-guix@gnu.org; Tue, 05 Dec 2017 15:57:07 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1eMKGz-0001vA-W8
	for bug-guix@gnu.org; Tue, 05 Dec 2017 15:57:05 -0500
Received: from debbugs.gnu.org ([208.118.235.43]:39458)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16)
	(Exim 4.71) (envelope-from <Debian-debbugs@debbugs.gnu.org>)
	id 1eMKGz-0001v0-Se
	for bug-guix@gnu.org; Tue, 05 Dec 2017 15:57:01 -0500
Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1eMKGz-0001ac-Ky
	for bug-guix@gnu.org; Tue, 05 Dec 2017 15:57:01 -0500
Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
Resent-Message-ID: <handler.29570.B29570.15125074086088@debbugs.gnu.org>
In-Reply-To: <87wp22w0bw.fsf@aikidev.net> (Vagrant Cascadian's message of
	"Mon, 04 Dec 2017 15:16:35 -0800")
List-Id: Bug reports for GNU Guix <bug-guix.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/bug-guix/>
List-Post: <mailto:bug-guix@gnu.org>
List-Help: <mailto:bug-guix-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=subscribe>
Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
Sender: "bug-Guix" <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
To: Vagrant Cascadian <vagrant@debian.org>
Cc: 29570@debbugs.gnu.org

Hi Vagrant,

Vagrant Cascadian <vagrant@debian.org> skribis:

> $ guix --version
> guix (GNU guix) 1fa37d1b55b1d25a9d20c7b50a531b763e7a1398

It looks like my repo lacks this commit.

> $ guix challenge --substitute-urls=3D"https://berlin.guixsd.org https://m=
irror.hydra.gnu.org" linux-libre

[...]

> In guix/scripts/challenge.scm:
>    305:15  5 (_ _)
>    149:34  4 (_ _)
> In srfi/srfi-1.scm:
>    679:15  3 (append-map _ _ . _)
>    592:17  2 (map1 ("https://berlin.guixsd.org"; "https://mirror.hy=E2=80=
=A6"))
> In guix/scripts/substitute.scm:
>    725:23  1 (lookup-narinfos "https://berlin.guixsd.org"; _)
>    697:16  0 (fetch-narinfos "https://berlin.guixsd.org"; ("/gnu/sto=E2=
=80=A6"))
>
> guix/scripts/substitute.scm:697:16: In procedure fetch-narinfos:
> guix/scripts/substitute.scm:697:16: Wrong type to apply: #<syntax-transfo=
rmer uri?>

This is due to an ABI breakage in the (web uri) module that Guile
provides: in 2.2.3 =E2=80=98uri?=E2=80=99 is a procedure, but in 2.2.2 it=
=E2=80=99s a macro.

As it turns out, build-aux/build-self.scm (which is what =E2=80=98guix pull=
=E2=80=99
evaluates) selects the latest Guile 2.2.x, so it builds with 2.2.3, but
then you run that code with 2.2.2, hence the error.

Let=E2=80=99s see how we can work around it=E2=80=A6

Ludo=E2=80=99.