let
  nixpkgs = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-22.11";
    rev = ''
      dac57a4eccf1442e8bf4030df6fcbb55883cb682'';
  };

in {
  inherit nixpkgs;
  nixos = nixpkgs // { suffix = "/nixos"; };
  "channels-nixos-stable" = nixpkgs;
  "channels-nixos-unstable" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable";
    rev = ''
      1eb875e811dd59e21e77f6337f2c1592889b48b3'';
  };
  "nixpkgs-master" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = ''
      590321a5defbbabe96f8def70013d5b45406dee4'';
  };
  "home-manager-module" = {
    url = "https://github.com/nix-community/home-manager";
    ref = "release-22.11";
    rev = ''
      89a8ba0b5b43b3350ff2e3ef37b66736b2ef8706'';
  };
}