Handle repo paths without files dir

main.go

@@ -156,7 +156,7 @@ func resolvePathSpec(pathSpec, repoAbs string) (string, string, error) {
 				relPath := filepath.Join(parts[2:]...)
 				return pkg, relPath, nil
 			}
-			return pkg, "", nil
+			return pkg, filepath.Join(parts[1:]...), nil
 		}
 	}