Re: Julia packages on build farms?

[Christopher Baines <mail@cbaines.net>]

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zimoun <zimon.toutoune@gmail.com> writes:

> That’s said, I do not understand the result of “guix weather” and “guix
> build”.  Let pick an example.  Using Guix 06493e7, the package
> julia-staticarrays is unavailable on Berlin (ci.guix) and available on
> Bordeaux (bordeaux.guix).  So far, so good!
>
> $ guix weather julia-staticarrays
> computing 1 package derivations for x86_64-linux...
> looking for 1 store items on https://ci.guix.gnu.org...
> https://ci.guix.gnu.org
>   0.0% substitutes available (0 out of 1)
>   unknown substitute sizes
>   0,0 MiB on disk (uncompressed)
>
>   0.0% (0 out of 1) of the missing items are queued
>   at least 1 000 queued builds
>       x86_64-linux: 374 (37.4%)
>       i686-linux: 341 (34.1%)
>       powerpc64le-linux: 260 (26.0%)
>       aarch64-linux: 25 (2.5%)
>   build rate: 128.06 builds per hour
>       x86_64-linux: 59.81 builds per hour
>       i686-linux: 55.88 builds per hour
>       powerpc64le-linux: 13.49 builds per hour
>       aarch64-linux: 42.47 builds per hour
> looking for 1 store items on https://bordeaux.guix.gnu.org...
> https://bordeaux.guix.gnu.org
>   100.0% substitutes available (1 out of 1)
>   0,5 MiB of nars (compressed)
>   4,7 MiB on disk (uncompressed)
>   (continuous integration information unavailable)
>
>
> Now, I get:
>
> $ guix build julia-staticarrays --substitute-urls=https://ci.guix.gnu.org -n
> The following derivation would be built:
>   /gnu/store/cinn2zy26791mp4d3qv2gda635a5a2r3-julia-staticarrays-1.2.13.drv
>
> $ guix build julia-staticarrays --substitute-urls=https://bordeaux.guix.gnu.org -n
> The following derivation would be built:
>   /gnu/store/cinn2zy26791mp4d3qv2gda635a5a2r3-julia-staticarrays-1.2.13.drv
>
> where the former is expected, not the latter.  Why is the package
> locally built when “guix weather” says the substitutes is available?
>
> What am I doing wrong?

guix weather doesn't check substitute trust, so you've probably not got
the bordeaux.guix.gnu.org key in your ACL.

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