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bug-guix@HIDDEN:bug#64472; Package guix.
Full text available.Received: (at submit) by debbugs.gnu.org; 5 Jul 2023 10:21:48 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jul 05 06:21:47 2023 Received: from localhost ([127.0.0.1]:37144 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qGzdr-0006pF-Da for submit <at> debbugs.gnu.org; Wed, 05 Jul 2023 06:21:47 -0400 Received: from lists.gnu.org ([209.51.188.17]:35366) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <blake@HIDDEN>) id 1qGzdm-0006p4-HA for submit <at> debbugs.gnu.org; Wed, 05 Jul 2023 06:21:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <blake@HIDDEN>) id 1qGzdm-0007TM-8A for bug-guix@HIDDEN; Wed, 05 Jul 2023 06:21:42 -0400 Received: from out-43.mta1.migadu.com ([95.215.58.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <blake@HIDDEN>) id 1qGzdh-0000MO-UT for bug-guix@HIDDEN; Wed, 05 Jul 2023 06:21:41 -0400 X-Is-Generated-Message-Id: true DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=reproduciblemedia.com; s=key1; t=1688552492; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=77H+kfqW0LlFFA8GuSH/voOCfU9IUxqK4JMjSXu12Mc=; b=Jn8NzznKY3thafEplJCfd1E9eQxLTEEMev3eYzWI070iCtc/rrA2IbLjgtkANwMxAsiNQk eCykaNv6cPhr7QDZgdWMujoz2JOIVs8FV8lwVaWc/HY6l4k229DB2TMrVTCmQrTgWg8x3+ xmqxGlVe8Uq6/HQNcHUgjIXrG/MfZBTjIMDNJH3N+wtfWGpFywpgnyuln3fcOE12WnfE0t VAmq25OfR/zdUAOIsyIP996cp/i5lvU55rm4CneMJ3OUGMfTfJbIXaSf4VFiP86yyjw+AB 2wGwqqtx1G78XbPhCOe625/TAOgGKV6hmWRU18GdXvMjgMIM5dEOuTZ6KPcRoA== X-Blue-Identity: !l=2305&o=0&pl=2100&po=0&qs=PREFIX&f=HTML&p=2079&q=NONE MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----WYQYVGZ3R31RPRYU0N7NG07ZZHATXU" Content-Transfer-Encoding: 7bit Subject: guix pull --roll-back breaks guix X-Report-Abuse: Please report any abuse attempt to abuse@HIDDEN and include these headers. From: Blake Shaw <blake@HIDDEN> Date: Wed, 05 Jul 2023 17:21:23 +0700 To: bug-guix@HIDDEN Message-ID: <c3d9e1e9-0865-4547-a648-a7aefd5c4042@HIDDEN> X-Migadu-Flow: FLOW_OUT Received-SPF: pass client-ip=95.215.58.43; envelope-from=blake@HIDDEN; helo=out-43.mta1.migadu.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.4 (--) ------WYQYVGZ3R31RPRYU0N7NG07ZZHATXU Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Hiya Guix, I just encountered a surprising bug=2E I've been trying to ge= t the [redacted] proprietary GPU drivers to work on my system (but this isn= t particular to the issue at hand), and I "guix installed" the [redacted-mo= dule] package in my =2Eguix-profile, to see if that would help me with the = failed $ modprobe [redacted] that I was experiencing=2E It didn't, so I= decided to do what we do best: roll-back=2E But I accidentally ran $ guix= pull --roll-back instead of $ guix package --roll-back This mistake sho= uld be trivial, fixable by running $ guix pull --switch-generation=3DN Wh= ere N is the "FROM" field of the roll-back message that guix displays follo= wing a successfull roll back=2E But to my surprise an anomaly appeared in = the "TO" field of the roll-back message: $ guix pull --roll-back building = path(s) `/gnu/store/2s7a7h=2E=2E=2Egj23-profile` switched from generation 8= 6 to 0 Huh? Zero? It should have switched to 85=2E Weird, but np, let's ju= st direct it to 85=2E $ guix pull --switch-generation=3D85 -bash: /home/my= -profile/=2Econfig/guix/current/bin/guix So now it can't find guix=2E Visi= ting =2Econfig/guix/current/ it is empty except an etc dir and a manifest= =2E so I use guix from the run directory to get back on track: $ exec /run= /current-system/profile/bin/guix --switch-generation=3D85 guix pull error: = cannot switch to generation '85' $ exec /run/current-system/profile/bin/gu= ix --switch-generation=3D86 switched from generation 0 to 86 And then $HOM= E/=2Econfig/guix/current is back to normal and everything works fine=2E So = I assume this was due to yesterday's guix gc --delete-generations=3D1d Bu= t like, should this happen? Should we ever be rolling back to an empty "0" = generation that doesn't even contain guix, and thus creates a pickle for th= ose who don't have prior knowledge of how to get out of it? Should we limit= gc --delete-generations to always keep a previous generation at hand, perh= aps unless forced by some other flag, so that [in particular, new] users do= n't break their systems in the middle of the day and then have something to= solve that encumbers their plans & work? Happy hacking! Blake ------WYQYVGZ3R31RPRYU0N7NG07ZZHATXU Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><br></div> <div dir=3D"auto">Hiya Guix,<br><br></div> <di= v dir=3D"auto">I just encountered a surprising bug=2E<br><br></div> <div di= r=3D"auto">I've been trying to get the [redacted] proprietary GPU drivers t= o work on my system (but this isnt particular to the issue at hand), and I = "guix installed" the [redacted-module] package in my =2Eguix-profile, to se= e if that would help me with the failed<br><br></div> <div dir=3D"auto">$ m= odprobe [redacted] <br><br></div> <div dir=3D"auto">that I was experiencing= =2E<br><br></div> <div dir=3D"auto">It didn't, so I decided to do what we d= o best: roll-back=2E But I accidentally ran<br><br></div> <div dir=3D"auto"= >$ guix pull --roll-back<br><br></div> <div dir=3D"auto">instead of<br><br>= </div> <div dir=3D"auto">$ guix package --roll-back<br><br></div> <div dir= =3D"auto">This mistake should be trivial, fixable by running<br><br></div> = <div dir=3D"auto">$ guix pull --switch-generation=3DN<br><br></div> <div di= r=3D"auto">Where N is the "FROM" field of the roll-back message that guix d= isplays following a successfull roll back=2E<br><br></div> <div dir=3D"auto= ">But to my surprise an anomaly appeared in the "TO" field of the roll-back= message:<br><br></div> <div dir=3D"auto">$ guix pull --roll-back<br></div>= <div dir=3D"auto">building path(s) `/gnu/store/2s7a7h=2E=2E=2Egj23-profile= `<br></div> <div dir=3D"auto">switched from generation 86 to 0<br><br></div= > <div dir=3D"auto">Huh? Zero? It should have switched to 85=2E Weird, but = np, let's just direct it to 85=2E<br><br></div> <div dir=3D"auto">$ guix pu= ll --switch-generation=3D85<br></div> <div dir=3D"auto">-bash: /home/my-pro= file/=2Econfig/guix/current/bin/guix<br><br></div> <div dir=3D"auto">So now= it can't find guix=2E Visiting =2Econfig/guix/current/ it is empty except = an etc dir and a manifest=2E so I use guix from the run directory to get ba= ck on track:<br><br></div> <div dir=3D"auto">$ exec /run/current-system/pro= file/bin/guix --switch-generation=3D85<br></div> <div dir=3D"auto">guix pul= l error: cannot switch to generation '85'<br><br></div> <div dir=3D"auto">$= exec /run/current-system/profile/bin/guix --switch-generation=3D86<br></di= v> <div dir=3D"auto">switched from generation 0 to 86<br><br></div> <div di= r=3D"auto">And then $HOME/=2Econfig/guix/current is back to normal and ever= ything works fine=2E So I assume this was due to yesterday's guix gc --dele= te-generations=3D1d <br><br></div> <div dir=3D"auto">But like, should this = happen? Should we ever be rolling back to an empty "0" generation that does= n't even contain guix, and thus creates a pickle for those who don't have p= rior knowledge of how to get out of it? Should we limit gc --delete-generat= ions to always keep a previous generation at hand, perhaps unless forced by= some other flag, so that [in particular, new] users don't break their syst= ems in the middle of the day and then have something to solve that encumber= s their plans & work?<br><br></div> <div dir=3D"auto">Happy hacking!<br= ></div> <div dir=3D"auto">Blake</div> ------WYQYVGZ3R31RPRYU0N7NG07ZZHATXU--
Blake Shaw <blake@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#64472; Package guix.
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