refactor

modules/nixos/apps/etcher/default.nix

@@ -0,0 +1,22 @@
+{ options, config, lib, pkgs, ... }:
+
+with lib;
+with lib.plusultra;
+let
+  cfg = config.plusultra.apps.etcher;
+in
+{
+  options.plusultra.apps.etcher = with types; {
+    enable = mkBoolOpt false "Whether or not to enable etcher.";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs;
+      [
+        # Etcher is currently broken in nixpkgs, temporarily replaced with
+        # gnome disk utility.
+        # etcher
+        gnome.gnome-disk-utility
+      ];
+  };
+}