flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.flake-utils.follows = "flake-utils";
    };
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
  };

  outputs = { nixpkgs, flake-utils, rust-overlay, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [(import rust-overlay)];
        pkgs = import nixpkgs {inherit system overlays;};
        rust = pkgs.rust-bin.nightly.latest.default.override {
          extensions = ["rust-src" "llvm-tools"];
        };
      in {
        devShell = with pkgs; mkShell {
          buildInputs = [
            rust
            qemu
            just
            cargo-bootimage
          ];
        };
      }
    );
}