nixpkgs/nixos/modules/services/desktops/gvfs.nix

# GVfs

{ config, lib, pkgs, ... }:

with lib;

let

  cfg = config.services.gvfs;

in

{

  # Added 2019-08-19
  imports = [
    (mkRenamedOptionModule
      [ "services" "gnome3" "gvfs" "enable" ]
      [ "services" "gvfs" "enable" ])
  ];

  ###### interface

  options = {

    services.gvfs = {

      enable = mkEnableOption "GVfs, a userspace virtual filesystem";

      # gvfs can be built with multiple configurations
      package = mkOption {
        type = types.package;
        default = pkgs.gnome3.gvfs;
        description = "Which GVfs package to use.";
      };

    };

  };


  ###### implementation

  config = mkIf cfg.enable {

    environment.systemPackages = [ cfg.package ];

    services.dbus.packages = [ cfg.package ];

    systemd.packages = [ cfg.package ];

    services.udev.packages = [ pkgs.libmtp.bin ];

  };

}