Work around pierrec/lz4#212

This happens when attempting to compress a disk that is empty (0 bytes).
cirruslabs · Nov 22, 2023 · e74921c · e74921c
1 parent 7d17879
commit e74921c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/internal/oci/push.go b/internal/oci/push.go
@@ -204,7 +204,12 @@ func pushDisk(
 	}
 
 	chunker, err := chunkerpkg.NewChunker(targetDiskLayerSizeBytes, func(w io.Writer) (io.WriteCloser, error) {
-		return lz4.NewWriter(w), nil
+		lz4Writer := lz4.NewWriter(w)
+
+		// Work around https://github.com/pierrec/lz4/pull/212
+		_, _ = lz4Writer.Write([]byte{})
+
+		return lz4Writer, nil
 	})
 	if err != nil {
 		return []types.Descriptor{}, err