From 3065ab0fd861ce7f394425dd72baa16f29b4d09d Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 27 Jan 2024 17:28:04 +0300
Subject: nx_tzdb: add another safety assertion

---
 externals/nx_tzdb/NxTzdbCreateHeader.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/externals/nx_tzdb/NxTzdbCreateHeader.cmake b/externals/nx_tzdb/NxTzdbCreateHeader.cmake
index 8c29e1167..95606d862 100644
--- a/externals/nx_tzdb/NxTzdbCreateHeader.cmake
+++ b/externals/nx_tzdb/NxTzdbCreateHeader.cmake
@@ -11,6 +11,10 @@ execute_process(
     WORKING_DIRECTORY ${ZONE_PATH}
     OUTPUT_VARIABLE FILE_LIST)
 
+if (NOT FILE_LIST)
+    message(FATAL_ERROR "No timezone files found in directory ${ZONE_PATH}, did the download fail?")
+endif()
+
 set(DIRECTORY_NAME ${HEADER_NAME})
 
 set(FILE_DATA "")
-- 
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