{
description = "devo development environment";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
flake-parts.url = "github:hercules-ci/flake-parts";
treefmt-nix.url = "github:numtide/treefmt-nix";
rust-overlay.url = "github:oxalica/rust-overlay";
};
outputs =
inputs@{ flake-parts
, treefmt-nix
, ...
}:
flake-parts.lib.mkFlake { inherit inputs; } {
systems = [ "x86_64-linux" "aarch64-darwin" ];
perSystem =
{ system, ... }:
let
overlay = _: prev: {
devoRust = prev.rust-bin.stable."1.84.1".minimal;
};
pkgs = import inputs.nixpkgs {
inherit system;
overlays = [
inputs.rust-overlay.overlays.default
overlay
];
};
treefmtEval = treefmt-nix.lib.evalModule pkgs {
projectRootFile = "flake.nix";
programs.nixpkgs-fmt.enable = true;
programs.rustfmt.enable = true;
};
in
{
formatter = pkgs.writeShellScriptBin "fmt" ''
#!/usr/bin/env bash
set -euxo pipefail -o posix
exec ${pkgs.nix}/bin/nix develop --command cargo fmt "$@"
'';
packages.default = pkgs.rustPlatform.buildRustPackage {
pname = "devo";
version = "0.1.0";
src = ./.;
cargoLock.lockFile = ./Cargo.lock;
};
devShells.default = pkgs.mkShell {
packages = with pkgs; [
devoRust
rustfmt
];
};
};
};
}