let
  nixpkgs = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-20.09";
    rev = "00f9323c2717e4b2ed0b3c38c107a75de4198562";
  };
in

{
  inherit nixpkgs;
  nixos = nixpkgs // {
    suffix = "/nixos";
  };
  "channels-nixos-stable" = nixpkgs;
  "channels-nixos-unstable" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable";
    rev = "93de027ee045d0c1fbf13418fb86d86e6309b962";
  };
  "nixpkgs-master" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = "cf628a338dcbd67e4791b516d54aedba0dfa3227";
  };
  "home-manager-module" = {
    url = "https://github.com/nix-community/home-manager";
    ref = "release-20.09";
    rev = "2aa20ae969f2597c4df10a094440a66e9d7f8c86";
  };
}