{
  channelsNixosStable = {
    ref = "nixos-19.09";
    rev = "f7d050ed4e3af90502c88bf0ae1fef62dcbde265";
  };
  channelsNixosUnstable = {
    ref = "nixos-unstable";
    rev = "100012e55bc2a82fc680cba31a426ad38ead6fab";
  };
  nixpkgsMaster = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "0834d16531df583e161bd53ad5aee86854ad85b0";
  };
  homeManagerModule = {
    url = "https://github.com/rycee/home-manager";
    ref = "release-19.09";
    rev = "8d663335eb7b5032f637d8b719416ae4f2c1f612";
  };
}