Guillaume Girol e67e79642e nixos/duplicity: add options to not keep backups forever
Current module add backups forever, with no way to prune old ones.

Add an option to remove backups after n full backups or after some
amount of time.

Also run duplicity cleanup to clean unused files in case some previous
backup was improperly interrupted.
2021-04-25 20:34:38 +02:00
..

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