{
  channelsNixosStable = {
    ref = "nixos-20.03";
    rev = "14006b724f3d1f25ecf38238ee723d38b0c2f4ce";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "c59ea8b8a0e7f927e7291c14ea6cd1bd3a16ff38";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "a26ffb006b8d3c2d1f3c52345783a8d043b828cd";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-20.03";
    rev = "4a8d6280544d9b061c0b785d2470ad6eeda47b02";
  };
}