{ pkgs ? import (builtins.fetchGit { url = "https://github.com/NixOS/nixpkgs.git"; rev = "f2bd8adf7b78d7616b52d0ef08865c7c2fcf189d"; }) { } , magic ? import ./nix/magic.nix { inherit pkgs; } , }: pkgs.mkShell { buildInputs = [ pkgs.klayout magic ]; }