{
  channelsNixosStable = {
    ref = "nixos-20.03";
    rev = "3a009bd5daf9e70546dcd5dc4b49450a15c5f34d";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "3320a06049fc259e87a2bd98f4cd42f15f746b96";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "79ed9e6ebf1aadbecc1240dee210e1159e27f1aa";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-19.09";
    rev = "0d1ca254d0f213a118459c5be8ae465018132f74";
  };
}