Nix 2.12.0 slightly changed the JSON output format. This updates the i3status-rust test cases to match.
test.stubs
This option provides a more convenient way to overlay dummy packages. It also adds a function `config.lib.test.mkStubPackage` that can, e.g., be used for `package` options.
This adds the i3status-rust[0] module, a replacement for i3status written in pure Rust. [0] https://github.com/greshake/i3status-rust