hitsumabushi: bug fix: fs.Sub didn't cause a not-found error

hajimehoshi · Feb 10, 2024 · 2be0a75 · 2be0a75
1 parent ae3cd3f
commit 2be0a75
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/overlay.go b/overlay.go
@@ -132,13 +132,19 @@ func GenOverlayJSON(options ...Option) ([]byte, error) {
 	}
 
 	root := goVersion() + "_" + cfg.os
-	subFiles, err := fs.Sub(patchFiles, root)
+	dir, err := patchFiles.Open(root)
 	if err != nil {
 		if errors.Is(err, fs.ErrNotExist) {
 			return nil, fmt.Errorf("hitsumabushi: Hitsumabushi does not support the Go version %s and GOOS=%s", runtime.Version(), cfg.os)
 		}
 		return nil, err
 	}
+	dir.Close()
+
+	subFiles, err := fs.Sub(patchFiles, root)
+	if err != nil {
+		return nil, err
+	}
 
 	tmpDir := cfg.overlayDir
 	if tmpDir == "" {