Merge pull request #303225 from Cryolitia/xdg-terminal

- [ALVR](https://github.com/alvr-org/alvr), a VR desktop streamer. Available as [programs.alvr](#opt-programs.alvr.enable)

- [xdg-terminal-exec](https://github.com/Vladimir-csp/xdg-terminal-exec), the proposed Default Terminal Execution Specification.

- [RustDesk](https://rustdesk.com), a full-featured open source remote control alternative for self-hosting and security with minimal configuration. Alternative to TeamViewer. Available as [services.rustdesk-server](#opt-services.rustdesk-server.enable).

- [Scrutiny](https://github.com/AnalogJ/scrutiny), a S.M.A.R.T monitoring tool for hard disks with a web frontend. Available as [services.scrutiny](#opt-services.scrutiny.enable).

{

  config,

  lib,

  pkgs,

  ...

}:

let

  cfg = config.xdg.terminal-exec;

  inherit (lib) mkIf mkEnableOption mkOption mkPackageOption types;

in

{

  meta.maintainers = with lib.maintainers; [ Cryolitia ];

  ###### interface

  options = {

    xdg.terminal-exec = {

      enable = mkEnableOption "xdg-terminal-exec, the [proposed](https://gitlab.freedesktop.org/xdg/xdg-specs/-/merge_requests/46) Default Terminal Execution Specification";

      package = mkPackageOption pkgs "xdg-terminal-exec" { };

      settings = mkOption {

        type = with types; attrsOf (listOf str);

        default = { };

        description = ''

          Configuration options for the Default Terminal Execution Specification.

          The keys are the desktop environments that are matched (case-insensitively) against `$XDG_CURRENT_DESKTOP`,

          or `default` which is used when the current desktop environment is not found in the configuration.

          The values are a list of terminals' [desktop file IDs](https://specifications.freedesktop.org/desktop-entry-spec/latest/ar01s02.html#desktop-file-id) to try in order of decreasing priority.

        '';

        example = {

          default = [ "kitty.desktop" ];

          GNOME = [ "com.raggesilver.BlackBox.desktop" "org.gnome.Terminal.desktop" ];

        };

      };

    };

  };

  ###### implementation

  config = mkIf cfg.enable {

    environment = {

      systemPackages = [ cfg.package ];

      etc = lib.mapAttrs' (

        desktop: terminals:

        # map desktop name such as GNOME to `xdg/gnome-xdg-terminals.list`, default to `xdg/xdg-terminals.list`

        lib.nameValuePair (

          "xdg/${if desktop == "default" then "" else "${lib.toLower desktop}-"}xdg-terminals.list"

        ) { text = lib.concatLines terminals; }

      ) cfg.settings;

    };

  };

}

  ./config/xdg/portals/lxqt.nix

  ./config/xdg/portals/wlr.nix

  ./config/xdg/sounds.nix

  ./config/xdg/terminal-exec.nix

  ./config/zram.nix

  ./hardware/acpilight.nix

  ./hardware/all-firmware.nix