Function tvix_castore::blobservice::object_store::chunk_and_upload

async fn chunk_and_upload<R: AsyncRead + Unpin>(
    r: R,
    object_store: Arc<dyn ObjectStore>,
    base_path: Path,
    min_chunk_size: u32,
    avg_chunk_size: u32,
    max_chunk_size: u32
) -> Result<B3Digest>

Reads blob contents from a AsyncRead, chunks and uploads them. On success, returns a StatBlobResponse pointing to the individual chunks.