flake.nix

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-parts.url = "github:hercules-ci/flake-parts";
    systems.url = "github:nix-systems/default";
    # Dev tools
    treefmt-nix.url = "github:numtide/treefmt-nix";
  };

  outputs =
    inputs:
    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
      systems = import inputs.systems;
      imports = [ inputs.treefmt-nix.flakeModule ];
      perSystem =
        {
          config,
          self',
          pkgs,
          lib,
          system,
          ...
        }:
        {
          # Rust dev environment
          devShells.default = pkgs.mkShell {
            inputsFrom = [ config.treefmt.build.devShell ];
            nativeBuildInputs = with pkgs; [
              dotnet-sdk_8
              mono
              libxslt
            ];

            DOTNET_ROOT = "${pkgs.dotnet-sdk_8}";
          };

          # Add your auto-formatters here.
          # cf. https://numtide.github.io/treefmt/
          treefmt.config = {
            projectRootFile = "flake.nix";
            programs = {
              nixpkgs-fmt.enable = true;
              csharpier.enable = true;
              prettier.enable = true;
              nixfmt-rfc-style.enable = true;
            };
          };
        };
    };
}