Fix bug

src/gclone.rs

@@ -42,7 +42,7 @@ fn main_result() -> Result<()> {
     info!("{}", "done!");
 
     // Append to cache
-    let mut cache = Cache::read()?;
+    let mut cache = Cache::read_or_generate();
     cache.append(path.display().to_string());
     cache.write()?;