From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id MOn4C3/mtl+3AgAA0tVLHw (envelope-from ) for ; Thu, 19 Nov 2020 21:41:19 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id 2NKnB3/mtl8+LAAAbx9fmQ (envelope-from ) for ; Thu, 19 Nov 2020 21:41:19 +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 77E5D9400D3 for ; Thu, 19 Nov 2020 21:41:18 +0000 (UTC) Received: from localhost ([::1]:40838 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfrg4-0007bn-1J for larch@yhetil.org; Thu, 19 Nov 2020 16:41:16 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48638) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfrfq-0007bf-5v for bug-guix@gnu.org; Thu, 19 Nov 2020 16:41:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:57877) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kfrfp-0006vA-UP for bug-guix@gnu.org; Thu, 19 Nov 2020 16:41:01 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kfrfp-00010C-Qe for bug-guix@gnu.org; Thu, 19 Nov 2020 16:41:01 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#44741: =?UTF-8?Q?=E2=80=98copy-recursively=E2=80=99?= #:keep-mtime? #t broken for directories Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 19 Nov 2020 21:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44741 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 44741@debbugs.gnu.org Received: via spool by 44741-submit@debbugs.gnu.org id=B44741.16058220203795 (code B ref 44741); Thu, 19 Nov 2020 21:41:01 +0000 Received: (at 44741) by debbugs.gnu.org; 19 Nov 2020 21:40:20 +0000 Received: from localhost ([127.0.0.1]:41190 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kfrf9-0000z9-Qx for submit@debbugs.gnu.org; Thu, 19 Nov 2020 16:40:20 -0500 Received: from eggs.gnu.org ([209.51.188.92]:48456) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kfrf7-0000yt-M6 for 44741@debbugs.gnu.org; Thu, 19 Nov 2020 16:40:18 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:34594) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfrf2-0006Vn-FC for 44741@debbugs.gnu.org; Thu, 19 Nov 2020 16:40:12 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=37258 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kfrf2-0004DG-0g for 44741@debbugs.gnu.org; Thu, 19 Nov 2020 16:40:12 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87mtzdgvyq.fsf@inria.fr> Date: Thu, 19 Nov 2020 22:40:08 +0100 In-Reply-To: <87mtzdgvyq.fsf@inria.fr> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Thu, 19 Nov 2020 17:19:57 +0100") Message-ID: <87ima1gh53.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: , 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: 4U+EpaJeOIwO Ludovic Court=C3=A8s skribis: > When passing #:keep-mtime? #t to =E2=80=98copy-recursively=E2=80=99, the = mtime of > regular files is preserved, but the mtime of directories (and symlinks) > is not. > > This is because =E2=80=98set-file-time=E2=80=99 is called in the =E2=80= =98down=E2=80=99 procedure of > =E2=80=98file-system-fold=E2=80=99, before the directory is populated. Fixed by 201cbcac3e9c23cc28352fa9ece3e677e22cc12c (core-updates). > =E2=80=98populate-store=E2=80=99 is affected by this bug, meaning that it= creates stores > where directories have =E2=80=9Cwrong=E2=80=9D timestamps. In practice t= his is probably > less likely to have undesirable side effects than regular files with > wrong timestamps (think =E2=80=98make=E2=80=99, .go files, etc.) In some cases, such as the initrd, the problem is harmless because timestamps are reset anyway in the archive (for instance =E2=80=98write-cpio-archive=E2=80=99 does that.) There might be problems in other cases, such as (gnu build image). Ludo=E2=80=99.