{ config, lib, pkgs, ... }: let packages = builtins.attrValues { inherit (pkgs) rustc # Rust compiler cargo # Rust package manager rust-analyzer # Language server for Rust clippy # Linter for Rust rustfmt # Formatter for Rust code ; }; in { options = { my.dev.rust.enable = lib.mkEnableOption "Install Rust tooling globally"; devShells.rust = lib.mkOption { type = lib.types.package; default = pkgs.mkShell { inherit packages; name = "rust-dev-shell"; shellHook = '' echo "🦀 Rust dev environment" ''; }; description = "Rust development shell with cargo and rust-analyzer"; }; }; config = lib.mkMerge [ (lib.mkIf config.my.dev.rust.enable { users.users.jawz = { inherit packages; }; }) { environment.variables.CARGO_HOME = "\${XDG_DATA_HOME}/cargo"; } ]; }