From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#35034: guile2.0-git rewrites libgit2 input to use guile-2.0
Date: Fri, 29 Mar 2019 16:29:30 +0100
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References: <871s2qd5k1.fsf@netris.org>
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In-Reply-To: <871s2qd5k1.fsf@netris.org> (Mark H. Weaver's message of "Thu, 28
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To: Mark H Weaver <mhw@netris.org>
Cc: 35034@debbugs.gnu.org

Hi Mark,

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

> retitle 35034 guile2.0-git rewrites libgit2 input to use guile-2.0
> thanks
>
> It turns out that this problem is not specific to armhf.  'guile2.0-git'
> recently started failing to build on all Hydra-supported systems.
>
> I see now what's going on.  The problem was introduced by:
>
>   commit 03fb5ff6ae01a680c786d9ee148839543c519411
>   Author: Danny Milosavljevic <dannym@scratchpost.org>
>   Date:   Thu Mar 21 23:28:43 2019 +0100
>=20=20=20
>     gnu: libgit2: Avoid Python.

[...]

> The 'guile-git' package has 'libgit2' as an input.  The 'guile2.0-git'
> variant package uses 'package-for-guile-2.0' to rewrite 'guile-git' to
> use 'guile-2.0'.  Unfortunately, this rewrites more deeply than we
> probably want.  In this case, the rewriting extends into 'libgit2',
> changing its native-input from 'guile-2.2' to 'guile-2.0'.  However, the
> Guile code that Danny wrote doesn't work with 'guile-2.0', because it
> uses the (ice-9 textual-ports) module, which doesn't exist in Guile 2.0.

I=E2=80=99m tempted to sidestep the problem by removing =E2=80=9Cguile2.0-g=
it=E2=80=9D, which I
think is of little use.

WDYT?

Ludo=E2=80=99.