added context on possible unreachable error

src/types/game.rs

@@ -16,7 +16,15 @@ pub struct Game {
 impl Game {
     pub fn export_links(&self) -> Result<Vec<Link>, io::Error> {
         let links: Vec<Link> = walk_all_files(&self.path)?
-            .map(|entry| Link::new(entry.path(), entry.path().strip_prefix(&self.path).unwrap()))
+            .map(|entry| {
+                Link::new(
+                    entry.path(),
+                    entry
+                        .path()
+                        .strip_prefix(&self.path)
+                        .expect("Can't transform path back to relative. Should not happen."),
+                )
+            })
             .collect();
 
         Ok(links)