Update src/repository/opamRepository.ml

src/repository/opamRepository.ml

@@ -102,7 +102,7 @@ let fetch_from_cache =
       List.fold_left (fun (hit, misses) ck ->
           let f = cache_file cache_dir ck in
           if OpamFilename.exists f
-          then (Some f, misses)
+          then (if hit = None then (Some f, misses) else (hit, misses))
           else (hit, f :: misses))
         (None, []) checksums
     with