{ perSystem = { config, pkgs, ... }: { pre-commit = { settings.hooks = { actionlint.enable = true; alejandra.enable = true; deadnix.enable = true; nil.enable = true; rustfmt.enable = true; statix.enable = true; }; }; devShells = { default = pkgs.mkShell { shellHook = config.pre-commit.installationScript; packages = with pkgs; [ actionlint alejandra deadnix nil statix rustc cargo rustfmt clippy ]; }; }; formatter = pkgs.alejandra; }; }