nixpkgs/pkgs/tools/misc/lolcat/gemset.nix

{
  lolcat = {
    dependencies = ["paint" "trollop"];
    source = {
      remotes = ["http://rubygems.org"];
      sha256 = "1q031wq8wvp09llb39w0ql5k1zkblvkbmhlvrkc3ym832pibk06f";
      type = "gem";
    };
    version = "90.8.8";
  };
  paint = {
    source = {
      remotes = ["http://rubygems.org"];
      sha256 = "1gnh9cihc84w4xbw51pg15crjvhblbq6nkzljrp7kmn3434nsg0d";
      type = "gem";
    };
    version = "2.0.1";
  };
  trollop = {
    source = {
      remotes = ["http://rubygems.org"];
      sha256 = "0415y63df86sqj43c0l82and65ia5h64if7n0znkbrmi6y0jwhl8";
      type = "gem";
    };
    version = "2.1.2";
  };
}