update

internal/app/upload.go

@@ -184,6 +184,10 @@ func (s *Server) streamPackageToGitea(
 
 	response, err := s.packageClient.Do(request)
 	if err != nil {
+		var maxBytesError *http.MaxBytesError
+		if errors.As(err, &maxBytesError) {
+			return "", int64(size), http.StatusRequestEntityTooLarge, maxBytesError
+		}
 		return "", int64(size), http.StatusBadGateway, errors.New("package registry upload failed")
 	}
 	defer response.Body.Close()