From 4a3900b0f967f473beace7d74cbb4d10d75b0f59 Mon Sep 17 00:00:00 2001
From: mathieuprog <5883963+mathieuprog@users.noreply.github.com>
Date: Tue, 27 Jul 2021 12:12:37 +0200
Subject: [PATCH] Call `:code.priv_dir/1` at runtime

---
 lib/iana_data_dir.ex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/iana_data_dir.ex b/lib/iana_data_dir.ex
index ee80602..673a442 100644
--- a/lib/iana_data_dir.ex
+++ b/lib/iana_data_dir.ex
@@ -1,7 +1,8 @@
 defmodule Tz.IanaDataDir do
   @regex_tzdata_dir_name ~r/^tzdata20[0-9]{2}[a-z]$/
+  @custom_data_dir Application.get_env(:tz, :data_dir)
 
-  defp dir, do: Application.get_env(:tz, :data_dir, :code.priv_dir(:tz))
+  defp dir(), do: @custom_data_dir || :code.priv_dir(:tz)
 
   def tzdata_dir_name(parent_dir \\ dir()) do
     tz_data_dirs =