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Received: from [2001:660:6102:320:e120:2c8f:8909:cdfe] (port=46126 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oSvks-00061g-4U; Tue, 30 Aug 2022 03:33:50 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87a6ajg2zv.fsf@gmail.com> <5521716772922285f7c6bc381c82613026eebbd9.camel@telenet.be> <87bkuvdoe4.fsf@gmail.com> <87r13ex7nw.fsf_-_@gmail.com> <87mtdl2a7u.fsf_-_@gmail.com> <87ilo9294m.fsf@gmail.com> <87a693pjm7.fsf_-_@gnu.org> <87r12fqf6j.fsf@gmail.com> <87y1v75fo0.fsf@gnu.org> <8735debvz7.fsf@gmail.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Tridi 13 Fructidor an 230 de la =?UTF-8?Q?R=C3=A9volution, ?= jour de =?UTF-8?Q?l'=C3=89pine-vinette?= 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, 30 Aug 2022 09:33:46 +0200 In-Reply-To: <8735debvz7.fsf@gmail.com> (Maxim Cournoyer's message of "Mon, 29 Aug 2022 17:06:36 -0400") Message-ID: <878rn6423p.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; 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spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: D9AD8318C1 X-Spam-Score: -4.19 X-Migadu-Scanner: scn0.migadu.com X-TUID: UFrNGAlp8A+/ Hi Maxim, Maxim Cournoyer skribis: > Agreed, but the context differs wildly: while Autoconf or browsers for > example really are facing a diversity of configuration, the version of > Shepherd used in Guix System is known and controlled. So the only > problems bound to happen are in this context: > > 1. New Shepherd version introduced in Guix (package upgrade). > > 2. New Shepherd features used by services. > > 3. Machine reconfigured using a commit including 1 and 2. > > The problems are temporary: upon a reboot the running Shepherd version > will be the latest, and have all the features needed. > > Hence my suggestion to use something simple to improve the user > experience of a user faced with 3. So are you suggesting replacing: (defined? 'make-inetd-constructor) by something like: (version