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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1661169932; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=RtO8Yle7OUQIOampaQTxXUUuW3xjqI070p6k09R47aA=; b=OAy6nFAIj5OmSjdfskpPJ7/WM6me4liEPCm5hjmd6GZ8goA9igNPior4D3UWQ69p2qXb+Z vHQ2PtzQgWQA83UXCI8tqnO6pJEEkL7p+V/IywVWlrFRTBn30PD1pNanpDlvivhaY0x+Zx AaNrzv0PHK5l34EI8qUbCdjgpWhuz9Gn2MgGz0v/ALxUyuj5Wj4qvxcNyfgmNJXDcGV9tV wt5od2ErvPC8njVYRCIO1Tf76EGng6knS80NHlkBzpRcz+tZIduXQhsQ2BqUsWt/5brHWV fzOAb9RYnDdbLOUKAgygWL8uHPmZ5X3VXTAj2nANAqbVg7LSgvVfPYM/HBOqhw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1661169932; a=rsa-sha256; cv=none; b=tE7cULwYYpITif+shSI3HNZxD+UZoIp3gMJoCL5prQdrVjNX7DD3abO7Yqq0JTGNnbGr13 MERkuHeFH/vBNu6UgB8nPkE2tCKH71H3CYneRH/HACydgF0XbmaPcS5ds+zRwFVmFDBFwg F4pLD/5hoQ6nIiK2WIQxfk4Qwdu+rzk6lv/F+IBYcAtYP5aVm61uCH6HMK4n62kVKQCc64 D+QGpGrU70Ezu17wAYt8kPsnSi3+O9RlS8ZBVSmBfFrcWCNx/8hcGegfrhgA7Hk6jQVnpG aIKJ45zooEg3XKHG3aS4Jc0OOdMOJHsd2Z7JUPZTDdxIUTKPy6o8y7bR+obe5w== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=fastmail.net header.s=fm1 header.b="U o3E3gq"; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm1 header.b="Z IfMEi9"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=fastmail.net (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 9.29 X-Spam: Yes Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=fastmail.net header.s=fm1 header.b="U o3E3gq"; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm1 header.b="Z IfMEi9"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=fastmail.net (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 01DEEC027 X-Spam-Score: 9.29 X-Migadu-Spam: Yes X-Migadu-Scanner: scn1.migadu.com X-TUID: XFidK8Zu6cmM Hi Simon, > However, many things can be out of rail. This claim about > reproducibility over the time assumes: > > 1. compatibility of the Linux kernel > 2. availability of all the source code > 3. compatibility of the hardware > > Well, until now, nothing had been reported about #1. But, we have > examples of issues about #2 and #3. Thanks for pointing this out. I have had #3 issues myself, with a package (OpenBLAS or something related) failing to build on processors later than the software release date. But I guess #2 is the main issue for reviving old code. Software Heritage should settle that for the future. > All that said, Guix is the best and most advanced solution on the market > for reproducible time-traveling. :-) For most of the cases, it is > awesome to just type =E2=80=9Cguix time-machine=E2=80=9D and rebuild a co= mplete > computational environment exactly as it was 2 or 3 years ago. Indeed! > That=E2=80=99s because version-1.0.0 (48aa30ce73) is a branch and indeed = not a > descendant. ... > What you want is tag v1.0.0 (6298c3ffd9). Otherwise, you need the > option =E2=80=99--disable-authentication=E2=80=99.=20 OK, thanks, I will try with that! Cheers, Konrad.