defmacro clear_config(config_path, do: yield) do
quote do
- initial_setting = Config.get(unquote(config_path))
+ initial_setting = Config.fetch(unquote(config_path))
unquote(yield)
- on_exit(fn -> Config.put(unquote(config_path), initial_setting) end)
+
+ on_exit(fn ->
+ case initial_setting do
+ :error ->
+ Config.delete(unquote(config_path))
+
+ {:ok, value} ->
+ Config.put(unquote(config_path), value)
+ end
+ end)
+
:ok
end
end