let
  nixpkgs = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-22.11";
    rev = ''
      ab1254087f4cdf4af74b552d7fc95175d9bdbb49'';
  };

in {
  inherit nixpkgs;
  nixos = nixpkgs // { suffix = "/nixos"; };
  "channels-nixos-stable" = nixpkgs;
  "channels-nixos-unstable" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable";
    rev = ''
      1b1f50645af2a70dc93eae18bfd88d330bfbcf7f'';
  };
  "channels-nixos-unstable-small" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "nixos-unstable-small";
    rev = ''
      622d35bf4aeb3cdf2e4e67a2b299c91a19b4f4b1'';
  };
  "nixpkgs-master" = {
    url = "https://github.com/NixOS/nixpkgs/";
    ref = "master";
    rev = ''
      a29ecae5e2fa33beda1fdc2e61e51d2e8a56df7a'';
  };
  "home-manager-module" = {
    url = "https://github.com/nix-community/home-manager";
    ref = "release-22.11";
    rev = ''
      89a8ba0b5b43b3350ff2e3ef37b66736b2ef8706'';
  };
}