bug#40381: Guix shouldn't request substitutes for profile derivations

[Ludovic Courtès]

Hi,

pkill9 <address@hidden> skribis:

> So it seems it tries to look for substitutes when the profile hooks are built,
> not when profile.drv is built.
>
> Here is the output without build hooks:
> ```
> itsme@antelope ~> guix environment --ad-hoc hello
> The following derivation will be built:
>    /gnu/store/gkz9hzjpc9pj1np7vi5pwb4xhmssk55d-profile.drv
> building profile with 1 package...
> Welcome to fish, the friendly interactive shell
> itsme@antelope ~ [Guix env: /gnu/store/nsi48y..]>
> ```
>
> And here is output with build hooks:
> ```
> itsme@antelope ~> guix environment --ad-hoc man-db hello
> substitute: updating substitutes from 'https://berlin.guixsd.org'... 100.0%
> substitute: updating substitutes from 'https://mirror.hydra.gnu.org'... 100.0%
> substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
> The following derivation will be built:
>    /gnu/store/w623j5spid7kyxjdp6xbgxs2r5scpjkn-profile.drv
> The following profile hooks will be built:
>    /gnu/store/14d1mgn1mwz66mj28rwjmnkddskf4zm0-info-dir.drv
>    /gnu/store/7rrkqrdpxahk8g0927d56lpgz3n1kl6z-manual-database.drv
>    /gnu/store/8h76m85hiyilv0mj053i9n7k2nxb0wf1-ca-certificate-bundle.drv
>    /gnu/store/ia5d18hpmza375dizljqi2x12zlirwqi-fonts-dir.drv

Looks like manual-database.drv was the only hook not mark as
non-substitutable.

Fixed in 69de98391d720b92206d5e45072ecd3944d95774.

Thanks,
Ludo’.