GNU logs - #55985, boring messages

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Subject: bug#55985: Cuirass(?) produces less than useful =?UTF-8?Q?=E2=80=98build=E2=80=99?= log files
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From: Tobias Geerinckx-Rice <me@HIDDEN>
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--=-=-=
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Hi Guix!

It seems that build logs are not copied over from build nodes,=20
leading to amusing (but alas quite useless) output like:

~ =CE=BB curl $(guix build zstd --log-file)
substitute: updating substitutes from=20
'http://141.80.167.131'... 100.0%
fetching path=20
`/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv'...
@ substituter-started=20
/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv=20
substitute
Downloading=20
http://141.80.167.131/nar/lzip/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.=
drv...
 zstd-1.5.0.drv                               280KiB/s 00:00 |=20
 1KiB transferred

@ substituter-succeeded=20
/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv
substitute: updating substitutes from=20
'http://141.80.167.131'... 100.0%
substitute: updating substitutes from=20
'http://141.80.167.131'... 100.0%
fetching path=20
`/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static'...
@ substituter-started=20
/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static=20
substitute
fetching path=20
`/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0'...
@ substituter-started=20
/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0 substitute
Downloading=20
http://141.80.167.131/nar/lzip/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-=
static...
 zstd-1.5.0-static                           1.4MiB/s 00:00 |=20
 64KiB transferredDownloading=20
 http://141.80.167.131/nar/lzip/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0=
...
 zstd-1.5.0  476KiB                  4.5MiB/s 00:00=20
 [##################] 100.0%

@ substituter-succeeded=20
/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0
 zstd-1.5.0-static                          1.3MiB/s 00:00 |=20
 405KiB transferred

@ substituter-succeeded=20
/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static
~ =CE=BB=20

Kind regards,

T G-R

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X-Loop: help-debbugs@HIDDEN
From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Tobias Geerinckx-Rice <me@HIDDEN>
Subject: bug#55985: Acknowledgement (Cuirass(?) produces less than useful
 =?UTF-8?Q?=E2=80=98build=E2=80=99?= log files)
Message-ID: <handler.55985.B.165524590217435.ack <at> debbugs.gnu.org>
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Reply-To: 55985 <at> debbugs.gnu.org
Date: Tue, 14 Jun 2022 22:32:02 +0000

Thank you for filing a new bug report with debbugs.gnu.org.

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has been received.

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--=20
55985: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D55985
GNU Bug Tracking System
Contact help-debbugs@HIDDEN with problems

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Subject: bug#55985: Cuirass(?) produces less than useful =?UTF-8?Q?=E2=80=98build=E2=80=99?= log files
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Hi,

Tobias Geerinckx-Rice <me@HIDDEN> skribis:

> Hi Guix!
>
> It seems that build logs are not copied over from build nodes, leading
> to amusing (but alas quite useless) output like:
>
> ~ =CE=BB curl $(guix build zstd --log-file)

What you have here *is* the log as Cuirass saw it, but=E2=80=A6

> transferredDownloading
> http://141.80.167.131/nar/lzip/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.=
0...
> zstd-1.5.0  476KiB                  4.5MiB/s 00:00
> [##################] 100.0%
>
> @ substituter-succeeded
> /gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0

It turns out zstd, in this case, was already built on the node it got it
from, so the log just shows that.

I admit this is suboptimal.  From the perspective of Cuirass though, it
looks like =E2=80=9Cbusiness as usual=E2=80=9D, and it cannot really be dis=
tinguished
from a situation where the thing actually got built.

Ludo=E2=80=99.

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