GNU bug report logs - #64746
[PATCH 2/2] scripts: time-machine: Error when attempting to visit too old commits.

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Message #14 received at 64746 <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: Josselin Poiret <dev <at> jpoiret.xyz>, Christopher Baines <mail <at> cbaines.net>,
 Simon Tournier <zimon.toutoune <at> gmail.com>, Mathieu Othacehe <othacehe <at> gnu.org>,
 Tobias Geerinckx-Rice <me <at> tobias.gr>, Ricardo Wurmus <rekado <at> elephly.net>,
 64746 <at> debbugs.gnu.org
Subject: Re: bug#64746: [PATCH 2/2] scripts: time-machine: Error when
 attempting to visit too old commits.
Date: Thu, 10 Aug 2023 10:47:42 -0400

Hi Ludo!

Ludovic Courtès <ludo <at> gnu.org> writes:

> Hi!
>
> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:
>
>>> +;;; The commit introducing the 'inferiors' mechanism; it is the oldest commit
>>> +;;; that can be travelled to.
>>> +(define %oldest-possible-commit
>>> +  "2ca299caf64489f4e1e665ec1158fb0309b0b565")
>>
>> I just tried travelling to that assumed oldest commit (because it
>> corresponds to the introduction of the inferiors mechanism), but it
>> fails like:
>>
>> Computing Guix derivation for 'x86_64-linux'...  Backtrace:
>> -           5 (primitive-load "/gnu/store/b70mihsj9xx0xxp6izliqb5vm4…")
>> In ice-9/eval.scm:
>>     155:9  4 (_ _)
>>     159:9  3 (_ #(#(#(#(#(#(#(#(#(#(#(…) …) …) …) …) …) …) …) …) …) …))
>>    173:47  2 (_ #(#(#(#(#(#(#(#(#(#(#(…) …) …) …) …) …) …) …) …) …) …))
>> In ./guix/self.scm:
>>     932:4  1 (guix-derivation "/gnu/store/yfn2s94i5bvwr7j7r6xcnivwg…" …)
>>     903:2  0 (guile-for-build "3.0")
>>
>> ./guix/self.scm:903:2: In procedure guile-for-build:
>> Throw to key `match-error' with args `("match" "no matching pattern" "3.0")'.
>
> I would pick ‘v0.15.0’ (= 359fdda40f754bbf1b5dc261e7427b75463b59be) as
> the oldest commit one can travel to; it’s a bit newer than the one
> above, but it fails in the same way (to my surprise).  It would be
> interesting to investigate.
>
> That said, we could just as well pick ‘v1.0.0’, which is the official
> warranty-void limit, and which seems to work (it needs to build things,
> though…).

I tried building v1.0.0 but it failed the same as earlier attempts on
Python 2, which has a SSL test failing due to now-expired certificates:

--8<---------------cut here---------------start------------->8---
@ build-log 18017 117                                                                                                                                                                           
/gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/gnu-build-system.scm:369:6: In procedso                                                                                                        ure check:                                                                                                                                          
@ build-log 18017 167                                                                                                                                                                           
Throw to key `srfi-34' with args `(#<condition &invoke-error [program: "make" arguments: ("test" "-j" "24"                                                                                                          ) exit-status: 2 term-signal: #f stop-signal: #f] 9a4900>)'.                                              40                                                                                                        
\@ build-log 18017 101                                                                                                                                                                              
builder for `/gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' failed with exit code 1
@ build-log 18017 183                                                                                     -o
@ build-failed /gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv - 1 builder for `/gnu/store/h-sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' failed with exit code 1
@ build-log 18017 189
derivation '/gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' offloaded to '10.0.0.7' failede-: build of `/gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' failed                        ar
@ build-failed /gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv - 1 builder for `/gnu/store/cesp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' failed with exit code 100
Backtrace:
In ./guix/gexp.scm:
   573:13 19 (_ _)                                                                                          
In ./guix/store.scm:
   1667:8 18 (_ _)
   1667:8 17 (_ _)                                                                                        so
In ./guix/gexp.scm:
    708:2 16 (_ _)
In ./guix/monads.scm:
    482:9 15 (_ _)
In ./guix/gexp.scm:
   573:13 14 (_ _)
In ./guix/store.scm:
   1667:8 13 (_ _)
In ./guix/gexp.scm:
    708:2 12 (_ _)
In ./guix/monads.scm:                                                                                     9}
    482:9 11 (_ _)
In ./guix/gexp.scm:
   573:13 10 (_ _)
In ./guix/store.scm:                                                                                      37
   1667:8  9 (_ _)                                                                                        36
In ./guix/gexp.scm:                                                                                       1c
    708:2  8 (_ _)                                                                                        2!
In ./guix/monads.scm:                                                                                     3I
    482:9  7 (_ _)                                                                                        \1
|
In ./guix/gexp.scm:
   573:13  6 (_ _)
In ./guix/store.scm:
   1667:8  5 (_ _)
  1690:38  4 (_ #<store-connection 256.99 7f6b38e620c0>)
In ./guix/packages.scm:
   936:16  3 (cache! #<weak-table 406/883> #<package guile-gcrypt <at> 0?> ?)
  1255:22  2 (thunk)
  1188:25  1 (bag->derivation #<store-connection 256.99 7f6b38e620c0> ?)
In srfi/srfi-1.scm:
   592:17  0 (map1 (("source" #<origin #<<git-reference> url: "?>) ?))

srfi/srfi-1.scm:592:17: In procedure map1:
Throw to key `srfi-34' with args `(#<condition &store-protocol-error [message: "build of `/gnu/store/sp947xhp8dqfzn3zd2m0aq4ia5qvklbl-python2-2.7.15.drv' failed" status: 100] 7f6b3a5b2c60>)'.
guix time-machine: erreur : You found a bug: the program '/gnu/store/d12x45lz2dv3mgp594kzjv0d121g0ncs-compute-guix-derivation'
failed to compute the derivation for Guix (version: "6298c3ffd9654d3231a6f25390b056483e8f407c"; system: "xso86_64-linux";
host version: "985638aea14720e16ed5fd94a0e1382a57dec7ac"; pull-version: 1).
Please report it by email to <bug-guix <at> gnu.org>.
--8<---------------cut here---------------end--------------->8---

Since we can't retroactively fix this kind of problem, it means we
should find the oldest commit which is immune to that problem?

-- 
Thanks,
Maxim

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