Wrong size of remote backup reported if upload was resumed

[mmolinac]

I uploaded a full backup to a remote location (GCS). Size is about 2.5 TB.
I use the --resumable option to be able to retry if a communication error or other kind arises.
That was the case, and after four attempts, it succeeded.
However, the reported size of the remote backup is wrong:

# /usr/bin/clickhouse-backup --config /etc/clickhouse-backup/config.gcs.yml list remote | tail -1
reporting-shard_01-full-20221002-0312   2.60GiB    03/10/2022 16:23:21   remote             gzip, regular

However, we can clearly see that this is not the case:

$ gsutil du -hc gs://mybucket/reporting_shard_01/reporting-shard_01-full-20221002-0312 | tail -2
2.49 TiB     gs://mybucket/reporting_shard_01/reporting-shard_01-full-20221002-0312/
2.49 TiB     total

Product version is:

# clickhouse-backup --version
Version:	 2.0.0
Git Commit:	 93f6c2f168b63db4ab7c8cd51fcc317884752b84
Build Date:	 2022-09-04

I understand that maybe the last uploaded piece of data is being computed for the total size, instead of the whole sum.