{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem ( system: let pkgs = import nixpkgs { inherit system; }; in with pkgs; { devShells.default = mkShell { buildInputs = [ git markdownlint-cli nixfmt-rfc-style just ]; }; } ); }