{
  channelsNixosStable = {
    ref = "nixos-20.03";
    rev = "730453919bdc191496eb5dda04d69c4c99c724b9";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "0729b8c55e0dfaf302af4c57546871d47a652048";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "641e1029748a8ccd5fc052f0029e2fee89ebd0ef";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-19.09";
    rev = "0d1ca254d0f213a118459c5be8ae465018132f74";
  };
}