builder/src/core/node.rs

@@ -794,8 +794,9 @@ impl Node {
         // directory entries, so let's ignore the value provided by source filesystem and
         // calculate it later by ourself.
         if !self.is_dir() {
-            // If the file size is not 0, and the meta size is 0, it means the file is an
-            // external dummy file. Weeneed to set the size to file_size.
+            // If the file size is non-zero but the metadata reports a size of zero,
+            // it indicates that the file is an external dummy file. In this case,
+            // the size should be explicitly set to `file_size`.
             if file_size != 0 && meta.st_size() == 0 {
                 self.inode.set_size(file_size);
             } else {

contrib/nydusify/pkg/external/modctl/remote.go

@@ -145,15 +145,13 @@ func (handler *RemoteHandler) handle(ctx context.Context, layer ocispec.Descript
 
 	blobInfo := handler.blobs[index].Config
 	fileAttrs := make([]backend.FileAttribute, len(files))
+	// HACK
 	hackFile := os.Getenv("HACK_FILE")
-	if hackFile == "" {
-		hackFile = "config.json"
-	}
 	for idx, f := range files {
 		if f.name == hackFile {
-			// HACK to chmod config.json to 0640
+			// HACK to chmod to 0640
 			hackMode := uint32(0640)
-			// etc 640.
+			// etc HACK_MODE=640
 			hackModeStr := os.Getenv("HACK_MODE")
 			if hackModeStr != "" {
 				modeValue, err := strconv.ParseUint(hackModeStr, 8, 32)