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docs(tvix): move most of //tvix/eval README up to //tvix

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While moving the CLI out of the evaluator, we forgot to update the
README in //tvix/eval. Move this up to //tvix, so people know where
to start.

Keep the instructions on how to build only `//tvix/eval` in `//tvix/
eval/README.md`.

Change-Id: Ie2755e8b5a0056225dbf3a0ee040f70f7f6a1f27
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7887
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
This commit is contained in:
Florian Klink 2023-01-21 12:37:54 +01:00 • committed by clbot
parent 90979d39f3
commit 758b94f47c
2 changed files with 20 additions and 12 deletions
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17
tvix/README.md
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@ -6,7 +6,22 @@ are interested in people who would like to help us review designs,
brainstorm and describe requirements that we may not yet have
considered.
## Rust projects
## Building the CLI
If you are in a full checkout of the TVL depot, you can simply run `mg build`
in the `cli` directory (or `mg build //tvix/cli` from anywhere in the repo).
The `mg` command is found in `/tools/magrathea`.
**Important note:** We only use and test Nix builds of our software
against Nix 2.3. There are a variety of bugs and subtle problems in
newer Nix versions which we do not have the bandwidth to address,
builds in newer Nix versions may or may not work.
The CLI can also be built with standard Rust tooling (i.e. `cargo build`),
as long as you are in a shell with the right dependencies (provided by `mg
shell //tvix:shell`).
## Rust projects, crate2nix
Some parts of Tvix are written in Rust. To simplify the dependency
management on the Nix side of these builds, we use `crate2nix` in a