{
  lib,
  config,
  inputs,
  pkgs,
  ...
}: let
  inherit
    (lib)
    mkIf
    mkOption
    types
    pipe
    concatStringsSep
    getExe
    ;
  cfg = config.hooks.ip-search;
in {
  options.hooks.ip-search = {
    permittedIpv4Addresses = mkOption {
      type = with types; listOf str;
      default = [];
      description = ''
        List of permitted IPv4 addresses that the linter will allow.
      '';
    };
  };

  config.hooks.ip-search = mkIf cfg.enable {
    name = "IP search";
    entry = let
      permittedIpv4File = pipe cfg.permittedIpv4Addresses [
        (concatStringsSep "\n")
        (pkgs.writeText "allowed_ipv4.txt")
      ];
    in "${getExe cfg.package} ${permittedIpv4File} .";

    pass_filenames = false;
    files = "";

    package = inputs.self.packages.${pkgs.stdenv.system}.ip-search;
  };
}