GNU bug report logs - #32942
'guix offload' fails to restore non-ASCII file names when running in C locale

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#32942: closed ('guix offload' fails to restore non-ASCII file
 names when running in C locale)
Date: Sun, 09 Dec 2018 23:30:02 +0000

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Your message dated Mon, 10 Dec 2018 00:29:28 +0100
with message-id <87y38yuvmv.fsf <at> gnu.org>
and subject line Re: bug#32942: nss-certs not deterministic
has caused the debbugs.gnu.org bug report #32942,
regarding 'guix offload' fails to restore non-ASCII file names when running in C locale
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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32942: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32942
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From: Julien Lepiller <julien <at> lepiller.eu>
To: bug-guix <at> gnu.org
Subject: nss-certs not deterministic
Date: Fri, 05 Oct 2018 10:17:45 +0200

While updating a profile, I found that nss-certs was not deterministic. 
From ludo:

$ wget -O - -q 
https://mirror.hydra.gnu.org/mbs5mavs3gi4y7xkywcwwjj9g3p1yjmv.narinfo | 
grep Hash
NarHash: sha256:101v69xp1qzw9v6pgmbhw7gfdaic8vvs4v5l567lx7f2mjp25rla
$ wget -O - -q 
https://berlin.guixsd.org/mbs5mavs3gi4y7xkywcwwjj9g3p1yjmv.narinfo | 
grep Hash
NarHash: sha256:08ziz714diyfq2klxy1nc0nhr5wa2vd356n9vizlq913a7an9a9s

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Julien Lepiller <julien <at> lepiller.eu>
Cc: 32942-done <at> debbugs.gnu.org
Subject: Re: bug#32942: nss-certs not deterministic
Date: Mon, 10 Dec 2018 00:29:28 +0100

Hello,

ludo <at> gnu.org (Ludovic Courtès) skribis:

> The difference is an encoding bug:
>
> $ wget -O - https://berlin.guixsd.org/nar/gzip/xbj4fhad0lnz0ziflwi90gyqbls8ains-nss-certs-3.39 |gunzip -c |guix archive -x /tmp/nss-certs.berlin
> $ wget -O - https://mirror.hydra.gnu.org/nar/gzip/xbj4fhad0lnz0ziflwi90gyqbls8ains-nss-certs-3.39 |gunzip -c |guix archive -x /tmp/nss-certs.hydra
> $ diff -ru /tmp/nss-certs.{hydra,berlin}
> Only in /tmp/nss-certs.hydra/etc/ssl/certs: AC_Raíz_Certicámara_S.A.:2.15.7.126.82.147.123.224.21.227.87.240.105.140.203.236.12.pem
> Only in /tmp/nss-certs.berlin/etc/ssl/certs: AC_Ra?z_Certic?mara_S.A.:2.15.7.126.82.147.123.224.21.227.87.240.105.140.203.236.12.pem
> Only in /tmp/nss-certs.hydra/etc/ssl/certs: NetLock_Arany_=Class_Gold=_Főtanúsítvány:2.6.73.65.44.228.0.16.pem
> Only in /tmp/nss-certs.berlin/etc/ssl/certs: NetLock_Arany_=Class_Gold=_F?tan?s?tv?ny:2.6.73.65.44.228.0.16.pem

[...]

> On closer inspection the problem is elsewhere: the
> /gnu/store/xbj4fhad0lnz0ziflwi90gyqbls8ains-nss-certs-3.39 directory on
> berlin has question marks in file names, so ‘guix publish’ is not to
> blame; instead the problem likely comes from ‘guix offload’.
>
> Indeed ‘guix-daemon’ and its child processes such as ‘guix offload’ run
> with an empty environment, and thus in the C locale.  Specifically,
> ‘restore-file-set’ on the build farm front-end must be the one
> substituting question marks to the non-ASCII characters.
>
> If this analysis is correct, the patch below should fix it.  I’ll try it
> later.

Pushed as 7e4bc215098f334bc2a11737f2665dd4992fc2da.

Thanks,
Ludo'.

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