{ description = "mozart2 for writing oz"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; }; outputs = { self, nixpkgs, ... }: let system = "x86_64-linux"; pkgs = import nixpkgs { inherit system; }; in { devShells.${system}.default = pkgs.mkShell { buildInputs = with pkgs; [ mozart2-binary sbt scala scalafmt swi-prolog ]; shellHook = '' echo "enjoy m*oz*art2" ''; }; }; }