cleanup

src/desktop.rs

@@ -9,5 +9,18 @@ pub fn get_desktop_info() -> Result<String, io::Error> {
     // instead of just "foo"
     let desktop_env = desktop_env.trim_start_matches("none+");
 
-    Ok(format!("{desktop_env} ({display_backend})"))
+    // Use "Unknown" if desktop_env or display_backend is empty
+    let desktop_env = if desktop_env.is_empty() {
+        "Unknown"
+    } else {
+        desktop_env
+    };
+
+    let display_backend = if display_backend.is_empty() {
+        "Unknown"
+    } else {
+        &display_backend
+    };
+
+    Ok(format!("{} ({})", desktop_env, display_backend))
 }