func getDefaultStage1HashFromStore(fn *image.Finder) *types.Hash { // we make sure we've built rkt with a clean git tree, // otherwise we don't know if something changed if !strings.HasSuffix(defaultStage1Version, "-dirty") { stage1AppName := fmt.Sprintf("%s:%s", defaultStage1Name, defaultStage1Version) fn.StoreOnly = true s1img, _ := fn.FindImage(stage1AppName, "", apps.AppImageName) fn.StoreOnly = false return s1img } return nil }