{ description = "BluntCSS"; inputs.flake-utils.url = "github:numtide/flake-utils"; outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; in rec { devShell = pkgs.mkShell { buildInputs = with pkgs; [ lessc minify ]; shellHook = '' echo "shell with lessc and minify" ''; }; } ); }