fixup! repository: streamPack: replace streaming with chunked download

internal/repository/repository.go

@@ -947,7 +947,8 @@ const maxUnusedRange = 1 * 1024 * 1024
 // LoadBlobsFromPack loads the listed blobs from the specified pack file. The plaintext blob is passed to
 // the handleBlobFn callback or an error if decryption failed or the blob hash does not match.
 // handleBlobFn is called at most once for each blob. If the callback returns an error,
-// then LoadBlobsFromPack will abort and not retry it.
+// then LoadBlobsFromPack will abort and not retry it. The buf passed to the callback is only valid within
+// this specific call. The callback must not keep a reference to buf.
 func (r *Repository) LoadBlobsFromPack(ctx context.Context, packID restic.ID, blobs []restic.Blob, handleBlobFn func(blob restic.BlobHandle, buf []byte, err error) error) error {
 	return streamPack(ctx, r.Backend().Load, r.LoadBlob, r.getZstdDecoder(), r.key, packID, blobs, handleBlobFn)
 }