{
  channelsNixosStable = {
    ref = "nixos-20.03";
    rev = "ff6fda61600cc60404bab5cb6b18b8636785b7bc";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "84d74ae9c9cbed73274b8e4e00be14688ffc93fe";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "50e986ba967811afdb5edb3b6eda4369059e4238";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-20.03";
    rev = "e6f96b6aa3e99495f9f6f3488ecf78dd316e5bec";
  };
}