From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id QNWqHOhskGDu7AAAgWs5BA (envelope-from ) for ; Mon, 03 May 2021 23:36:40 +0200 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id sPDOF+hskGACewAA1q6Kng (envelope-from ) for ; Mon, 03 May 2021 21:36:40 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 0994130F54 for ; Mon, 3 May 2021 23:36:40 +0200 (CEST) Received: from localhost ([::1]:42256 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldgF4-0006Hg-Pw for larch@yhetil.org; Mon, 03 May 2021 17:36:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45088) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldgEW-0006HW-9v for guix-patches@gnu.org; Mon, 03 May 2021 17:36:05 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:37303) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ldgET-0005Bx-M5 for guix-patches@gnu.org; Mon, 03 May 2021 17:36:04 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ldgET-0005cG-IP for guix-patches@gnu.org; Mon, 03 May 2021 17:36:01 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#47989] [PATCH] channels: Add a #:system argument to channel-instances->manifest. Resent-From: Christopher Baines Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Mon, 03 May 2021 21:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47989 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: 47989@debbugs.gnu.org Received: via spool by 47989-submit@debbugs.gnu.org id=B47989.162007775721582 (code B ref 47989); Mon, 03 May 2021 21:36:01 +0000 Received: (at 47989) by debbugs.gnu.org; 3 May 2021 21:35:57 +0000 Received: from localhost ([127.0.0.1]:48849 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ldgEO-0005c2-Tw for submit@debbugs.gnu.org; Mon, 03 May 2021 17:35:57 -0400 Received: from mira.cbaines.net ([212.71.252.8]:44970) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ldgEN-0005bw-44 for 47989@debbugs.gnu.org; Mon, 03 May 2021 17:35:55 -0400 Received: from localhost (unknown [IPv6:2a02:8010:68c1:0:8ac0:b4c7:f5c8:7caa]) by mira.cbaines.net (Postfix) with ESMTPSA id 0976B27BC81; Mon, 3 May 2021 22:35:54 +0100 (BST) Received: from capella (localhost [127.0.0.1]) by localhost (OpenSMTPD) with ESMTP id 33e8d8cc; Mon, 3 May 2021 21:35:53 +0000 (UTC) References: <20210424081402.26742-1-mail@cbaines.net> <877dkfv8n4.fsf@gnu.org> User-agent: mu4e 1.4.15; emacs 27.1 From: Christopher Baines In-reply-to: <877dkfv8n4.fsf@gnu.org> Date: Mon, 03 May 2021 22:35:49 +0100 Message-ID: <87im3zcxfu.fsf@cbaines.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1620077800; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:resent-cc:resent-from:resent-sender: resent-message-id:in-reply-to:in-reply-to:references:references: list-id:list-help:list-unsubscribe:list-subscribe:list-post; bh=9wAgHW8MSTuFhQHUIx7qnh1PP4hjL8ZAjIZMVNRHTj8=; b=F53NIBu/ZmCtG/Mbk8PstK8prFJYESNoy//AbV8wnryy6MzZqTE6qOUMXexWg0uX1W9+v0 u2zXzaGwq6GMDeYo3J6QNZBxkILBP964GsXowRWNdycCNF/IwHYQcQJ0UWVLwVdrUzen7b rnZV+7tC4TfpvYgY9jntAxjGk4EKRbzwsRiBdEqS6rcEtBmyM1lrywXPbZH4Gvj6aCeZ41 dEwzWGzCnhIDb6CDRD//aHG/At91wL6kPRTO1iq7SUWECzhEMwy2DR2NdqUYGd34FtffEx obP50zFqyfQCcVc7/8h+i2OkZmuz3BJ9beggDuCO0cmQLWX6HkbInq6n3KmZUg== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1620077800; a=rsa-sha256; cv=none; b=k8Jtjh1yQNyM3AQPc5sF6AmrjZy4PcTNwCMWouAF2PO+TKx5SYhk02KeA0Ds+E5KedeHuu SkPj71qucyrbA99VV0j6Qi7gD+cMdQNleUk/3EATEq70AhRfqCie71uCcd7/joYr4mhVLw FXtLhXf6v9azINsTs53miUx+9ikamzRLnjgKJshqp6kN5US/P5YQEdwsW99Zr49X4S18H8 fGDGJEfhPoc+Nyhcs9rs4LaLbPni00Vst7FkopD0m5D+avJVNhhWyilQi7x9KLWTig+lt0 mR7B15xkWvSFUJu3WuBzMnb8xnJkVZlgy7gIG8oXaqRUl0mH/kJehNrTnnytVA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Migadu-Spam-Score: -4.56 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Migadu-Queue-Id: 0994130F54 X-Spam-Score: -4.56 X-Migadu-Scanner: scn0.migadu.com X-TUID: rLmfwsLsQTAq --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Ludovic Court=C3=A8s writes: > Christopher Baines skribis: > >> This allows computing a manifest for a specific system. Previously this = was >> possible, but only through changing %current-system, which caused the >> derivation to be computed using that system as well (so computing a deri= vation >> for aarch64-linux on x86_64-linux would require running aarch64-linux co= de). > > I remember discussing it, but I wonder if I was confused. > > I think you can always do the equivalent of (say): > > guix time-machine -- build -s armhf-linux hello -d > > =E2=80=A6 where Guix itself is built natively but it then computes a deri= vation > for a different architecture. > > The equivalent code would be roughly: > > (let ((inferior (inferior-for-channels =E2=80=A6))) > (inferior-package-derivation store > (car (lookup-inferior-packages inferior = "hello")) > "armhf-linux")) > > Does that make sense? Not really, this is just about manifests for channel instances, so nothing to do with package derivations as far as I'm aware. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQKlBAEBCgCPFiEEPonu50WOcg2XVOCyXiijOwuE9XcFAmCQbLVfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDNF ODlFRUU3NDU4RTcyMEQ5NzU0RTBCMjVFMjhBMzNCMEI4NEY1NzcRHG1haWxAY2Jh aW5lcy5uZXQACgkQXiijOwuE9Xe2lw/9HG040zlINb539khwRpLC1JJgbBz+S4gq ELdKaIsIwSnV9KvGh6Oynvo8wXgjjhMuhWs13tZ5T6C147cDYa5BMH6O0UT2XU0o oRTNvvA/KHpDAYquYQiSVn8oifok4POe75jLCMlRlOqJmNc7SF1E3bCdXqjpauAh ZR19qbwicK53M+V/UuoXqamhKp1/4duqkQ6MLvuwQK+9PU26V4WzF+DpIv4CHeFA BDRW1xjVamHmYBVU/Cs8ItGVZGd045uDtjLjQTxnEx0UYi28XGXhJxsYFjwqwBcs 5G4dHgqqUgJnuWfdhZn6FKNFga6ccKLv928Yu/CHiBCc8zUOU4TAkDs0kVq8HKiJ ziS/kTYgIJzSM4y2rKpZ6uX72Xp2KT1w1uP+qOSoReIDWCyBtTqqcvPuw1gVtIFg MWPE0dX+sykHOOxFga585sYNlxbZn8PkkNl7bYIDEKEUELmQTrZAdHbP5S2Itz/v AiSegI/v3gP2uOp0mpsCDcRGAx+2yaXGKTannVqU1tk0KP7vqRDIAv3Izp3zaDW4 WSYLlwlH4Fi3Epeierh16lX+QzCFKdun3Y2YB91MM/YDapn1XjhJJS1DR7jwC7w0 0GVYnOXLUBM0iJTGF9xlxsHrsuiB3u3frcQO2fXbIbOIFbat4zv5scy63ilKpa/U AbbhWSrwXKM= =P1Oz -----END PGP SIGNATURE----- --=-=-=--