{ config, lib, pkgs, ... }:
let
cfg = config.services.fprintd;
fprintdPkg = if cfg.tod.enable then pkgs.fprintd-tod else pkgs.fprintd;
in
{
###### interface
options = {
services.fprintd = {
enable = lib.mkEnableOption "fprintd daemon and PAM module for fingerprint readers handling";
package = lib.mkOption {
type = lib.types.package;
default = fprintdPkg;
defaultText = lib.literalExpression "if config.services.fprintd.tod.enable then pkgs.fprintd-tod else pkgs.fprintd";
description = ''
fprintd package to use.
'';
};
tod = {
enable = lib.mkEnableOption "Touch OEM Drivers library support";
driver = lib.mkOption {
example = lib.literalExpression "pkgs.libfprint-2-tod1-goodix";
Touch OEM Drivers (TOD) package to use.
###### implementation
config = lib.mkIf cfg.enable {
services.dbus.packages = [ cfg.package ];
environment.systemPackages = [ cfg.package ];
systemd.packages = [ cfg.package ];
systemd.services.fprintd.environment = lib.mkIf cfg.tod.enable {
FP_TOD_DRIVERS_DIR = "${cfg.tod.driver}${cfg.tod.driver.driverPath}";
}