From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id OGzsMvHTul+8XwAA0tVLHw (envelope-from ) for ; Sun, 22 Nov 2020 21:11:13 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id mGXELvHTul8adQAA1q6Kng (envelope-from ) for ; Sun, 22 Nov 2020 21:11:13 +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 35E999405D2 for ; Sun, 22 Nov 2020 21:11:13 +0000 (UTC) Received: from localhost ([::1]:45136 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgwdb-0003MA-03 for larch@yhetil.org; Sun, 22 Nov 2020 16:11:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kgwdS-0003Km-Oz for bug-guix@gnu.org; Sun, 22 Nov 2020 16:11:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:36879) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kgwdS-0003Bv-Gm for bug-guix@gnu.org; Sun, 22 Nov 2020 16:11:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kgwdS-0007ct-A8 for bug-guix@gnu.org; Sun, 22 Nov 2020 16:11:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#44760: Closure copy in =?UTF-8?Q?=E2=80=98guix?= system =?UTF-8?Q?init=E2=80=99?= is inefficient Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sun, 22 Nov 2020 21:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44760 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: raingloom Received: via spool by 44760-submit@debbugs.gnu.org id=B44760.160607942829271 (code B ref 44760); Sun, 22 Nov 2020 21:11:02 +0000 Received: (at 44760) by debbugs.gnu.org; 22 Nov 2020 21:10:28 +0000 Received: from localhost ([127.0.0.1]:48425 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kgwct-0007c2-Py for submit@debbugs.gnu.org; Sun, 22 Nov 2020 16:10:28 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33150) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kgwcp-0007bn-Gq for 44760@debbugs.gnu.org; Sun, 22 Nov 2020 16:10:27 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:52179) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgwck-0002q2-Ab; Sun, 22 Nov 2020 16:10:18 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=46738 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kgwcj-00013y-V1; Sun, 22 Nov 2020 16:10:18 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87h7pkffzy.fsf@inria.fr> <20201122204634.2730df12@riseup.net> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 2 Frimaire an 229 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Sun, 22 Nov 2020 22:10:16 +0100 In-Reply-To: <20201122204634.2730df12@riseup.net> (raingloom@riseup.net's message of "Sun, 22 Nov 2020 20:46:34 +0100") Message-ID: <87v9dxkshz.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -3.3 (---) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 44760@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: ns3122888.ip-94-23-21.eu Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: -1.51 X-TUID: npUOFRjk0lcy Hi, raingloom skribis: > Also, if a store is already present (eg.: because of a partial > install), it could make sense to (optionally) keep its contents. AFAIK > this is still not possible. It was one the bigger time sinks while I > was working on the F2FS support. It=E2=80=99s on purpose that =E2=80=98guix system init=E2=80=99 forcefully = wipes store items already present before copying them; some time ago it was not the case and that led to problems: https://issues.guix.gnu.org/20722 I think it=E2=80=99s safer to keep it unchanged. Ludo=E2=80=99.