nixos-config/modules/home/de/tray.nix

{
    config,
    pkgs,
    lib,
    ...
}: let
    cfg = config.myConfig.de;
in {
    options.myConfig.de = {
        tray = {
            syncthing.enable = lib.mkEnableOption "";
            networkmanager.enable = lib.mkEnableOption "";
        };
    };

    config = lib.mkMerge [
        (lib.mkIf cfg.tray.syncthing.enable {
            home.packages = [pkgs.syncthingtray-minimal];

            systemd.user.services = {
                syncthingtray = {
                    Unit = {
                        Description = "Syncthingtray";
                        Requires = ["tray.target"];
                        After = [
                            "graphical-session-pre.target"
                            "tray.target"
                        ];
                        PartOf = ["graphical-session.target"];
                    };
                    Service.ExecStart = "${lib.getExe' pkgs.syncthingtray-minimal "syncthingtray"} --wait";
                    Install.WantedBy = ["graphical-session.target"];
                };
            };
        })

        (lib.mkIf cfg.tray.networkmanager.enable {
            home.packages = [pkgs.networkmanagerapplet];

            systemd.user.services = {
                nm-applet = {
                    Unit = {
                        Description = "Networkmanager-applet";
                        Requires = ["tray.target"];
                        After = [
                            "graphical-session-pre.target"
                            "tray.target"
                        ];
                        PartOf = ["graphical-session.target"];
                    };
                    Service.ExecStart = "${lib.getExe pkgs.networkmanagerapplet}";
                    Install.WantedBy = ["graphical-session.target"];
                };
            };
        })
    ];
}