Delete if everything is unselected

internal/dav/delete.go

@@ -82,7 +82,8 @@ func handleDeleteFile(w http.ResponseWriter, segments []string, t *torrent.Torre
 		return fmt.Errorf("cannot find file %s", filepath)
 	}
 
-	file.Link = "-"
+	file.Link = "unselect"
+	t.SetChecksum("")
 	w.WriteHeader(http.StatusNoContent)
 	return nil
 }