flake.nix

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    systems.url = "github:nix-systems/default";
    devenv.url = "github:cachix/devenv";
    devenv.inputs.nixpkgs.follows = "nixpkgs";
    fenix.url = "github:nix-community/fenix";
    fenix.inputs.nixpkgs.follows = "nixpkgs";
    import-cargo.url = "github:edolstra/import-cargo";
  };

  outputs = {
    self,
    nixpkgs,
    devenv,
    systems,
    fenix,
    import-cargo,
    ...
  } @ inputs: let
    forEachSystem = nixpkgs.lib.genAttrs (import systems);
  in {
    packages = forEachSystem (system: {
      devenv-up = self.devShells.${system}.default.config.procfileScript;
    });

    devShells =
      forEachSystem
      (system: let
        pkgs = nixpkgs.legacyPackages.${system};
      in {
        default = devenv.lib.mkShell {
          inherit inputs pkgs;
          modules = [
            {
              packages = with pkgs; [ocl-icd alejandra];

              languages.rust.enable = true;
            }
          ];
        };
      });
  };
}