Function ingest_archive 

pub async fn ingest_archive<BS, DS, R>(
    blob_service: BS,
    directory_service: DS,
    r: R,
) -> Result<Node, IngestionError<Error>>
where
    BS: BlobService + Clone + 'static,
    DS: DirectoryService,
    R: AsyncRead + Unpin,

Ingests elements from the archive readable at the passed reader into a the passed BlobService and DirectoryService.