From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id eN6zE6ybtl/iWwAA0tVLHw (envelope-from ) for ; Thu, 19 Nov 2020 16:22:04 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id zliDD6ybtl8+NwAAB5/wlQ (envelope-from ) for ; Thu, 19 Nov 2020 16:22:04 +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 BFFDD9404E5 for ; Thu, 19 Nov 2020 16:22:03 +0000 (UTC) Received: from localhost ([::1]:55726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfmh8-00051n-LO for larch@yhetil.org; Thu, 19 Nov 2020 11:22:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52570) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfmgA-0003rY-8s for bug-guix@gnu.org; Thu, 19 Nov 2020 11:21:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:57438) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kfmg9-0007eh-SN for bug-guix@gnu.org; Thu, 19 Nov 2020 11:21:01 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kfmg9-0001ZH-Mk for bug-guix@gnu.org; Thu, 19 Nov 2020 11:21:01 -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 16:21:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 44741 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 44741@debbugs.gnu.org X-Debbugs-Original-To: Received: via spool by submit@debbugs.gnu.org id=B.16058028025906 (code B ref -1); Thu, 19 Nov 2020 16:21:01 +0000 Received: (at submit) by debbugs.gnu.org; 19 Nov 2020 16:20:02 +0000 Received: from localhost ([127.0.0.1]:40751 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kfmfB-0001X7-PJ for submit@debbugs.gnu.org; Thu, 19 Nov 2020 11:20:02 -0500 Received: from lists.gnu.org ([209.51.188.17]:39776) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kfmfB-0001Ws-0D for submit@debbugs.gnu.org; Thu, 19 Nov 2020 11:20:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52272) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfmfA-0002se-Oj for bug-guix@gnu.org; Thu, 19 Nov 2020 11:20:00 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:55539) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfmfA-0007CS-D9 for bug-guix@gnu.org; Thu, 19 Nov 2020 11:20:00 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=36642 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kfmf9-00068n-BQ for bug-guix@gnu.org; Thu, 19 Nov 2020 11:20:00 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 29 Brumaire 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: Thu, 19 Nov 2020 17:19:57 +0100 Message-ID: <87mtzdgvyq.fsf@inria.fr> 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: BWeml9hRRKEa When passing #:keep-mtime? #t to =E2=80=98copy-recursively=E2=80=99, the mt= ime 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=98d= own=E2=80=99 procedure of =E2=80=98file-system-fold=E2=80=99, before the directory is populated. =E2=80=98populate-store=E2=80=99 is affected by this bug, meaning that it c= reates stores where directories have =E2=80=9Cwrong=E2=80=9D timestamps. In practice thi= s 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.) Ludo=E2=80=99.