let
  nixpkgs = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-22.11";
    rev = ''
      cdead16a444a3e5de7bc9b0af8e198b11bb01804'';
  };

in {
  inherit nixpkgs;
  nixos = nixpkgs // { suffix = "/nixos"; };
  "channels-nixos-stable" = nixpkgs;
  "channels-nixos-unstable" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable";
    rev = ''
      d7705c01ef0a39c8ef532d1033bace8845a07d35'';
  };
  "channels-nixos-unstable-small" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable-small";
    rev = ''
      f043916573c888930442d101ff4adc2e4cae3665'';
  };
  "nixpkgs-master" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = ''
      68403fe04f6c85853ddd389c9e58dd9b9c8b0a36'';
  };
  "home-manager-module" = {
    url = "https://github.com/nix-community/home-manager";
    ref = "release-22.11";
    rev = ''
      89a8ba0b5b43b3350ff2e3ef37b66736b2ef8706'';
  };
}