From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id wB/aDp5n2GElbQEAgWs5BA (envelope-from ) for ; Fri, 07 Jan 2022 17:17:34 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id kO5RB55n2GFZHQEAG6o9tA (envelope-from ) for ; Fri, 07 Jan 2022 17:17:34 +0100 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 669AA349B4 for ; Fri, 7 Jan 2022 17:17:32 +0100 (CET) Received: from localhost ([::1]:59334 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n5rvn-0006CE-Il for larch@yhetil.org; Fri, 07 Jan 2022 11:17:31 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42654) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n5Qr5-0001Re-B4 for help-guix@gnu.org; Thu, 06 Jan 2022 06:22:51 -0500 Received: from sv-2s11.infcs.de ([194.95.66.48]:46214 helo=ux-2s-mailproxy.inf.h-brs.de) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n5Qr2-0003hn-KV for help-guix@gnu.org; Thu, 06 Jan 2022 06:22:50 -0500 Received: from condor.h-brs.de (p579732de.dip0.t-ipconnect.de [87.151.50.222]) (authenticated bits=0) by ux-2s-mailproxy.inf.h-brs.de (8.15.2/8.15.2/Debian-8ska0) with ESMTPSA id 206BMkLG027954 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 6 Jan 2022 12:22:46 +0100 References: <87o84p9mjs.fsf@member.fsf.org> User-agent: mu4e 1.6.10; emacs 27.2 From: =?utf-8?B?zpPPhc+I?= To: help-guix@gnu.org Subject: Re: How to run a program from an old generation? 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A workaround (removing cache, etc.) can be found here https://github.com/NixOS/nixpkgs/issues/119029 https://github.com/NixOS/nixpkgs/issues/121594 The more general questions below might still be interesting. Cheers, Alex On Thu, Jan 06 2022, 11:29:09, =CE=93=CF=85=CF=88 wro= te: > Dear all, > > I currently have an issue with nextcloud-client segfaulting in the > current guix environment. Until this is fixed an option were to switch > to the old generation where it still worked, start it and switch back to > the current generation. Is there an option to run a program in a > specific generation without completely switching to it? I didn't found > any so far. I know that's a real hack but at least that way I could > have my files synchronized without too much effort until the bug is > fixed. > > Another question I have is: can I install version 3.1.3 of > nextcloud-client in the current environment (without switching back to > some old commit)? When I try to do so, I get > >> guix install: error: nextcloud-client: package not found for version 3.1= .3 > > because version 3.1.3 was replaced by 3.2.0. > > Cheers (and a happy new year!) > > Alex --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQFIBAEBCAAyFiEEXU8UwBfdlxG/YNXXLg/GxGpHPCwFAmHW0QAUHGd5cHNAbWVt YmVyLmZzZi5vcmcACgkQLg/GxGpHPCy+vAf9FDGp7ecJ83f0OadMnlqd3nn0LfF5 Qztmrcc3HfJWnG+BaZ6DyUPbuZcEo8MBo71uxCXAZin2e5dxBidxYVPdV4aGYhYC YmZGQwkpMw12NVqtiHyrp/4rWi/4dHgAsN0gCo2O1RjILb8XbThujYXmntYpVQwy sWKbUWltwq/BHqmcI74Qodryf8ug0a0Zf1+5Lv8F2UNc2dhGowFL62dVHQq1gGGb kz206B8OSkRH4E0uUMwjqzPntW8vykM0U2542bS8Ux6WkaB7V39K3taYzKsuXbpq 4J4rPSSlhFoBCkFcGIO8DULS+gQpawHQAhbL5Yl/0i7Cx4HILjT2CXztvg== =/Cr/ -----END PGP SIGNATURE----- --=-=-=--