Re: Rust development tools

[John Soo <jsoo1@asu.edu>]

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Hi!

Thanks for your work on this.  I’m looking forward to using alacrity and ripgrep, among other niceties the rust community has come up with.

- John

> On Apr 18, 2019, at 8:47 AM, Ivan Petkov <ivanppetkov@gmail.com> wrote:
> 
> Hi!
> 
>> On Apr 17, 2019, at 7:26 PM, mikadoZero <mikadozero@yandex.com> wrote:
> 
> The rust integrations within Guix are a bit incomplete at the moment, but I’ve been
> making some efforts to get things going. Right now it is possible to build individual
> crates but with a *ton* of manual intervention in the package definitions. I’m working
> on another change that should make it possible to start packaging rust based
> packages/applications into Guix, hoping to share something next week.
> 
>> If cargo is not packaged are people who are using rust with Guix System
>> using rustc and manually managing their dependencies?
> 
> Cargo is packaged in Guix today, however, it is exposed as an output of the rust
> package (http://guix.info/manual/en/Packages-with-Multiple-Outputs.html).
> 
> This confused me a bit the first time I installed rust on Guix as well. You’ll need
> to run `guix package -i rust:cargo` to make it available. Perhaps the Guix search
> needs updated to also search for matching package outputs…
> 
> As for extra tools like rls, rustfmt, and clippy: these are usually distributed with
> the compiler source tarball. Currently they are not being build/packaged as
> outputs because no one has done the work to expose them as such.
> 
> If you’re interested in using them, I encourage you to try exposing them in the
> rust package definitions! If you need any help, feel free to reach out!
> 
>> Are there any special considerations for Guix packages that provide
>> programs like cargo and rustup that are also package managers?
>> 
>> How does Guix deal with something like rust nightly releases if at all?
> 
> Guix does not package nightly rust, and I don’t anticipate it ever will. Getting
> the rust compiler built and packaged into rust takes a little bit of effort,
> and it would be impossible to keep up with the nightlies by hand.
> 
> Rustup seems to be the right way to make alternative rust toolchains available
> and maintained outside of the Guix store. The last time I tried to install rustup
> via the conventional installer, it failed to run on my machine outright, probably
> because all necessary artifacts are in the store and not in the usual Linux distro
> locations.
> 
> Once the Guix cargo build system is flushed out a bit more, I anticipate it should
> be possible to define and build rustup as a Guix package.
> 
> —Ivan
> 

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