Roy

I do not know how to verify the release file, I've tried sha256,md5,sha1,sha512, none of them match the checksum provided.

Update copy_back.py

1

there is no key `data_dir` in options_obj.backup_options, `self.backup_options.get("xtra_options") or ""` is used to prevent get a `None` after the `--copy-back` option, like ` /usr/bin/xtrabackup --copy-back None --target-dir` option `--data_dir` for...