From 63cfa560742c2914d8a0855ec8c0808fd46da0cc Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Fri, 10 Nov 2023 17:17:34 -0500
Subject: [PATCH] Check if index file is valid before caching

---
 src/gamedata.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gamedata.rs b/src/gamedata.rs
index 33de34c..94f1ec1 100755
--- a/src/gamedata.rs
+++ b/src/gamedata.rs
@@ -377,7 +377,9 @@ impl GameData {
 
     fn cache_index_file(&mut self, filename: &str)  {
         if !self.index_files.contains_key(filename) {
-            self.index_files.insert(filename.to_string(), IndexFile::from_existing(filename).unwrap());
+            if let Some(index_file) = IndexFile::from_existing(filename) {
+                self.index_files.insert(filename.to_string(), index_file);
+            }
         }
     }