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Re: Confusion regarding rust packages in guix

From: Tomas Volf
Subject: Re: Confusion regarding rust packages in guix
Date: Mon, 27 Nov 2023 00:38:26 +0100

On 2023-11-25 11:22:46 -0500, Abdullah Imad wrote:
> Hello,
> I'm trying to package [helix](, a text
> editor written in rust. I'm unsure how to write the actual package though.
> The layout is seemingly straight forward - I found a random rust package
> already in guixpkgs and just copied the config - but when it comes to
> `cargo-inputs` and `cargo-development-inputs`, I'm not sure what to do. Do I
> have to define every single variable in `cargo.lock`? For bigger projects
> this seems like an incredible amount of work. Why does the guix system
> require packages to be pulled from guix repos when nix just reads the
> `cargo.lock` and pulls it from or something? Is that not also
> deterministic, since that's the entire point of the `cargo.lock` file? In
> the flake that helix provides :
> , the individual
> dependencies are not defined. Am I missing something, or is this just how
> its done?

I think people usually use the importer.  For crates it would be something like:

    guix import crate -r PACKAGE-NAME

That will take care of adding all dependencies not yet present in the Guix.  The
generated definitions might need some tweaks though.

> Thanks,
> Abdullah Imad

Have a nice day,

There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.

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