From unknown Thu Jun 12 06:52:26 2025 X-Loop: help-debbugs@gnu.org Subject: bug#33892: guix package --list-generations uses UTC and time-at-midnight for hour durations Resent-From: "pelzflorian (Florian Pelz)" Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Fri, 28 Dec 2018 09:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 33892 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 33892@debbugs.gnu.org X-Debbugs-Original-To: bug-guix@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.15459906542522 (code B ref -1); Fri, 28 Dec 2018 09:51:02 +0000 Received: (at submit) by debbugs.gnu.org; 28 Dec 2018 09:50:54 +0000 Received: from localhost ([127.0.0.1]:39727 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gcon8-0000eb-2S for submit@debbugs.gnu.org; Fri, 28 Dec 2018 04:50:54 -0500 Received: from eggs.gnu.org ([208.118.235.92]:44096) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gcon6-0000eP-Ie for submit@debbugs.gnu.org; Fri, 28 Dec 2018 04:50:52 -0500 Received: from lists.gnu.org ([208.118.235.17]:59716) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gcomx-0003YG-49 for submit@debbugs.gnu.org; Fri, 28 Dec 2018 04:50:43 -0500 Received: from eggs.gnu.org ([208.118.235.92]:52621) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gcomt-0008Ra-MB for bug-guix@gnu.org; Fri, 28 Dec 2018 04:50:42 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gcoUF-0006Xu-Jm for bug-guix@gnu.org; Fri, 28 Dec 2018 04:31:45 -0500 Received: from pelzflorian.de ([5.45.111.108]:40436 helo=mail.pelzflorian.de) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gcoUF-0006Wp-8X for bug-guix@gnu.org; Fri, 28 Dec 2018 04:31:23 -0500 Received: from pelzflorian.localdomain (unknown [5.45.111.108]) by mail.pelzflorian.de (Postfix) with ESMTPSA id EAE24360077 for ; Fri, 28 Dec 2018 10:31:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=pelzflorian.de; s=mail; t=1545989481; bh=audqoj5pCAqmyY33Lql6TtdNLo8ZTiyIW9wq9Hju81I=; h=Date:From:To:Subject; b=dummJbWWidZQhxmqhb/cN/q3gAXxC5rTqafaKGgVxjezghsn7CYeNP1uvelsBdTLw ChkgaTjQWkHESC2BbtbVX/k2nES5VD5UyUSUEIkSGBvZQTPOtjdjRvoI5gxkZoFV2q BRkYe57SKPj6iI56rqBn4uDWNUi4V4SZtxff2J3U= Date: Fri, 28 Dec 2018 10:31:20 +0100 From: "pelzflorian (Florian Pelz)" Message-ID: <20181228093120.dufnb4o5py7o4mvl@pelzflorian.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: NeoMutt/20180716 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 5.45.111.108 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Spam-Score: -4.1 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.1 (-----) Hello Guix, I would expect guix package --list-generations=3D=E2=80=A6h to display generations from the past =E2=80=A6 hours, but apparently it displays generations offset from UTC midnight (apparently not local time?) and not the current time, since guix/ui.scm calls a procedure named time-at-midnight. In particular, when `guix package --list-generations` shows Generation 38 Dec 15 2018 13:04:16 (current) then I would expect $ date --date=3D"Dec 15 2018 13:04:16" +%s 1544875456 $ date +%s 1545989113 $ guix package --list-generations=3D$(((1545989113-1544875456)/3600+1))h to display the current generation. I think either the time for hours should not be computed from midnight and should use local time for days/weeks. Alternatively, the description in the manual should be adjusted. Regards, Florian