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path: root/nixos/modules/services/x11/desktop-managers/gnome3.nix
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{ config, pkgs, ... }:

with pkgs.lib;

let
  cfg = config.services.xserver.desktopManager.gnome3;
  gnome3 = pkgs.gnome3;
in {

  options = {

    services.xserver.desktopManager.gnome3.enable = mkOption {
      default = false;
      example = true;
      description = "Enable Gnome 3 desktop manager.";
    };

    environment.gnome3.excludePackages = mkOption {
      default = [];
      example = "[ pkgs.gnome3.totem ]";
      type = types.listOf types.package;
      description = "Which packages gnome should exclude from the default environment";
    };

  };

  config = mkIf cfg.enable {

    # Enable helpful DBus services.
    security.polkit.enable = true;
    services.udisks2.enable = true;
    services.accounts-daemon.enable = true;
    services.gnome3.at-spi2-core.enable = true;
    services.gnome3.evolution-data-server.enable = true;
    services.gnome3.sushi.enable = true;
    services.gnome3.tracker.enable = mkDefault true;
    services.telepathy.enable = true;
    networking.networkmanager.enable = true;
    services.upower.enable = config.powerManagement.enable;

    fonts.extraFonts = [ pkgs.dejavu_fonts ];

    services.xserver.desktopManager.session = singleton
      { name = "gnome3";
        start = ''
          # Set GTK_DATA_PREFIX so that GTK+ can find the themes
          export GTK_DATA_PREFIX=${config.system.path}

          # find theme engines
          export GTK_PATH=${config.system.path}/lib/gtk-3.0:${config.system.path}/lib/gtk-2.0

          export XDG_MENU_PREFIX=gnome

          ${gnome3.gnome_session}/bin/gnome-session&
          waitPID=$!
        '';
      };

    environment.variables.GIO_EXTRA_MODULES = [ "${gnome3.dconf}/lib/gio/modules"
                                                "${pkgs.glib_networking}/lib/gio/modules" ];
    environment.systemPackages =
      [ gnome3.dconf
        pkgs.glib_networking
        pkgs.ibus
        gnome3.gnome-backgrounds
        gnome3.gnome_control_center
        gnome3.gnome_icon_theme
        gnome3.gnome_settings_daemon
        gnome3.gnome_shell
        gnome3.gnome_themes_standard
      ] ++ (lists.difference [
        gnome3.baobab
        gnome3.eog
        gnome3.epiphany
        gnome3.evince
        gnome3.gucharmap
        gnome3.nautilus
        gnome3.totem
        gnome3.vino
        gnome3.yelp
        gnome3.gnome-calculator
        gnome3.gnome-contacts
        gnome3.gnome-font-viewer
        gnome3.gnome-screenshot
        gnome3.gnome-system-log
        gnome3.gnome-system-monitor
        gnome3.gnome_terminal
        gnome3.gnome-user-docs

        gnome3.file-roller
      ] config.environment.gnome3.excludePackages);
  };


}