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 IED1HcJZz1/ZUwAA0tVLHw (envelope-from ) for ; Tue, 08 Dec 2020 10:47:30 +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 cInOGcJZz1+abgAA1q6Kng (envelope-from ) for ; Tue, 08 Dec 2020 10:47:30 +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 20A73940396 for ; Tue, 8 Dec 2020 10:47:30 +0000 (UTC) Received: from localhost ([::1]:56858 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmaWn-0002HQ-3y for larch@yhetil.org; Tue, 08 Dec 2020 05:47:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmaWd-0002HI-2D for guix-devel@gnu.org; Tue, 08 Dec 2020 05:47:19 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:47392) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmaWc-0004jH-Oo; Tue, 08 Dec 2020 05:47:18 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=51168 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kmaWc-0003Qd-C9; Tue, 08 Dec 2020 05:47:18 -0500 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Ricardo Wurmus Subject: Re: Getting rid of the mandb profile hook? References: <87k0tw3y15.fsf@inria.fr> <87blf77osp.fsf@elephly.net> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 18 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: Tue, 08 Dec 2020 11:47:16 +0100 In-Reply-To: <87blf77osp.fsf@elephly.net> (Ricardo Wurmus's message of "Sun, 06 Dec 2020 01:37:10 +0100") Message-ID: <87o8j4wp57.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-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -1.80 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 20A73940396 X-Spam-Score: -1.80 X-Migadu-Scanner: ns3122888.ip-94-23-21.eu X-TUID: 9D7sJL9VTaro Hi, Ricardo Wurmus skribis: > Ludovic Court=C3=A8s writes: > >> I=E2=80=99m thinking we could get rid of the mandb hook. > > Yes, please! I see consensus against that hook. :-) >> 1. Provide a =E2=80=98man=E2=80=99 wrapper or modify the =E2=80=98man-= db=E2=80=99 package such that >> the database gets built on the first use of =E2=80=98man -k=E2=80= =99, unless it=E2=80=99s >> already up-to-date. >> >> 2. Add a phase in gnu-build-system.scm that creates a per-package >> database. Change the mandb profile hook such that all it needs to >> do is =E2=80=9Cconcatenate=E2=80=9D all these GDBM databases (which= should be much >> faster than browsing all the man pages as it currently does). > > Either of these seem fine to me. I think option 2 would be nicer as we > don=E2=80=99t need to modify =E2=80=9Cman=E2=80=9D and most of the work i= s done ahead of time. > I don=E2=80=99t know if these individual mandb database *can* simply be > concatenated. If this turns out to be much more complicated I think we > should just go with option 1. It=E2=80=99s =E2=80=9Cconcatenated=E2=80=9D in the sense of building the un= ion of all the key/value entries. So it=E2=80=99s not for free either but certainly much = less expensive than what we=E2=80=99re doing. I=E2=80=99ll probably take a look at some point, but if another person tire= d of waiting for the hook would like to give it a try, please do! :-) Ludo=E2=80=99.