nixos-config/wrappers/hyprlock.nix

{
    assembleWrapper,
    pkgs,
    ...
}:
assembleWrapper {
    basePackage = pkgs.hyprlock;

    flags = let
        hyprlock-config = pkgs.writeText "hyprlock-config" ''
            background {
                monitor =
                path = screenshot
                blur_size = 4
                blur_passes = 1
            }
            input-field {
                monitor =
            }
        '';
    in [
        "--config"
        hyprlock-config
    ];
}