{
  channelsNixosStable = {
    ref = "nixos-20.03";
    rev = "5659cb448e9b615d642c5fe52779c2223e72f7eb";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "daaa0e33505082716beb52efefe3064f0332b521";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "55dc3b76f0ca1dd62d158b92a637fe484df5227d";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-20.03";
    rev = "e6f96b6aa3e99495f9f6f3488ecf78dd316e5bec";
  };
}