Re: Check whether package has substitution

["Gábor Boskovits" <boskovits@gmail.com>]

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Hello!

<znavko@disroot.org> ezt írta (időpont: 2019. máj. 13., H, 18:22):

> Hello! Users that have experience to install packages from binaries may
> have troubles waiting compilation process.
> I want to propose some things that can appreciably *improve Guix users
> experience*.
>
> Users do not want to wait the compilation process. This may happen on
> installation and update.
> Guix may solve this problem giving to the user next possibilities:
>
> 1) check if there is substitution of some package you want to install for
> your system state (and environment)
> 2) check what packages will have to compile if you will update your system
>
>
For profiles which have a manifest, you can guix weather the manifest. I
believe someone more knowledgable than me can
answer if that could be extended easily for the 'system reconfigure' case.


> I think this is not that academic way Guix is intended for. But such a
> feature will improve user experience riding him from long time compilation.
>
> Guix also may solve the problem of absent substitutions the next way.
> Guix developers can create user interface for sending requests to default
> substitution server to compile those packages users want right now.
> As I know, hydra compiles all the packages for all the systems without
> priorities.
> So users can address to hydra their requests to compile some packages for
> their system type (and environment). So hydra will stop its usual way of
> things (that actually has the lowest priority) and start to compile
> packages on user's behalf.
> This way user can send a request, wait for 30-120 minutes and install it
> or update to having substitution built on hydra.
>
> Reading some discussions about OS, I can say this is the first user want
> to have, saying: 'Computing freedom is imposed by Guix, but that ugly
> compilation process is what does not give me to start using it'.
>
> Please, could you try to satisfy new users by speed up packages
> installation?
>

Best regards,
g_bor

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