{ pkgs, inputs, ... }:
let
  inherit (pkgs.lib) hasPrefix removePrefix;
in
pkgs.nixosOptionsDoc {
  inherit
    (pkgs.lib.evalModules {
      modules = [ "${inputs.nixpkgs.outPath}/pkgs/top-level/config.nix" ];
      class = "nixpkgsConfig";
    })
    options
    ;
  documentType = "none";
  transformOptions =
    opt:
    opt
    // {
      declarations = map (
        decl:
        if hasPrefix (toString ../..) (toString decl) then
          let
            subpath = removePrefix "/" (removePrefix (toString ../.) (toString decl));
          in
          {
            url = "https://github.com/NixOS/nixpkgs/blob/master/${subpath}";
            name = subpath;
          }
        else
          decl
      ) opt.declarations;
    };
}