From debbugs-submit-bounces@debbugs.gnu.org Mon Mar 31 18:52:20 2014 Received: (at 17150) by debbugs.gnu.org; 31 Mar 2014 22:52:20 +0000 Received: from localhost ([127.0.0.1]:58441 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WUl40-0002s8-4W for submit@debbugs.gnu.org; Mon, 31 Mar 2014 18:52:20 -0400 Received: from world.peace.net ([96.39.62.75]:48882) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WUl3x-0002rz-Fm for 17150@debbugs.gnu.org; Mon, 31 Mar 2014 18:52:18 -0400 Received: from 209-6-91-212.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com ([209.6.91.212] helo=yeeloong.lan) by world.peace.net with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1WUl3q-0006yA-My; Mon, 31 Mar 2014 18:52:10 -0400 From: Mark H Weaver To: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: bug#17150: Stale bootstrap/*/guile-2.0.9.tar.xz files are not detected References: <8761munpip.fsf@yeeloong.lan> <8761mu57ui.fsf@gnu.org> Date: Mon, 31 Mar 2014 18:51:22 -0400 In-Reply-To: <8761mu57ui.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Tue, 01 Apr 2014 00:19:49 +0200") Message-ID: <87lhvqm179.fsf@yeeloong.lan> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 17150 Cc: 17150@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 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: 0.0 (/) ludo@gnu.org (Ludovic Court=C3=A8s) writes: > Mark H Weaver skribis: > >> I just realized that my x86_64 and Loongson 3A systems have spent an >> enormous amount of time building the new guix master branch based on >> outdated bootstrap/*/guile-2.0.9.tar.xz. >> >> The issue is that if you simply "git pull" from a build directory with >> older versions of bootstrap/*/guile-2.0.9.tar.xz, although the various >> places where the hashes are stored are updated, those new hashes are >> never checked against the existing files. Therefore, you can proceed to >> build an entire system based on an outdated bootstrap guile, and with >> hashes that don't match what's on hydra and what other people are >> building. > > Right, =E2=80=98guix pull=E2=80=99 doesn=E2=80=99t survive updates of the= bootstrap Guile > tarballs, because it doesn=E2=80=99t try to download it (see =E2=80=98bui= ld-guix=E2=80=99 in > guix/build/pull.scm.) That=E2=80=99s rare in practice, but still a serio= us > limitation as you note. :-/ Hmm, yes, I suppose that "guix pull" is more relevant for typical users, but actually that's not what I was talking about above. I was talking about "git pull" followed by "make". > There are other things to do in =E2=80=98guix pull=E2=80=99, such as auth= entication, and > improved bandwidth usage. For the latter an option would be to resort > to git, and perhaps for the former too. Yes, it seems to me that git is a good tool for this job. Mark