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Subject: [bug#38612] Pass system and target arguments to gexp->file.
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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
References: <87a77ug6vv.fsf@gmail.com> <8736dl8wxq.fsf@gmail.com>
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Date: Sun, 29 Dec 2019 23:36:52 +0100
In-Reply-To: <878smvtr1b.fsf@gmail.com> (Mathieu Othacehe's message of "Sun,
 29 Dec 2019 10:33:20 +0100")
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To: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: 38612@debbugs.gnu.org

Hi!

Mathieu Othacehe <m.othacehe@gmail.com> skribis:

> Then, here's a patch that set the default target to 'current in
> lower-object, gexp->file and gexp->script. Then, (current-target-system)
> is used at bind time if target is 'current (same way as gexp->derivation
> and lower-gexp).
>
> An additionnal patch is needed because lower-object is called without a
> default target in lower-gexp, when lowering extensions.
>
> WDYT?
>
> Mathieu
>
> From f5d773dc0a627ba6059f1025189d33a9e0d083b5 Mon Sep 17 00:00:00 2001
> From: Mathieu Othacehe <m.othacehe@gmail.com>
> Date: Sat, 28 Dec 2019 21:29:06 +0100
> Subject: [PATCH 1/2] gexp: Default to current target.
>
> * guix/gexp.scm (lower-object): Set target argument to 'current by defaul=
t and
> look for the current target system at bind time if needed,
> (gexp->file): ditto,
> (gexp->script): ditto.

Uh, it=E2=80=99s =E2=80=9Cthe right thing=E2=80=9D but it=E2=80=99s getting=
 ugly.  :-/

If we take a step back, what=E2=80=99s the minimal change that would solve =
the
problem you=E2=80=99re looking at?

Apologies for the back-and-forth, it=E2=80=99s a tricky area!

Thanks,
Ludo=E2=80=99.