When backing up a desktop system it is handy to have regular and
immediate feedback about backups. This features a notification of backup
stats summary, including the added size to the repository, so you can
have a quick follow-up about what are you uploading to the repository.
This may be very useful if you upload by accident a big file or directory
which should be in your exclusions, so it warns you and gives the chance
to fix the exclusions and remove the undesired snapshot later.
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