Usage: roll-it-back [--dry-run] (--from <SUBVOL> --to <SNAPSHOT> --backup <PATH> | --cleanup <SUBVOL>)
Options:
--from <SUBVOL> rollback this subvolume...
--to <SNAPSHOT> ...to this snapshot...
--backup <PATH> ...and save the rolled-back subvolume here
--cleanup <SUBVOL> delete this subvolume and all subvolumes nested in it
--dry-run show operations to be executed but do not actually execute them
-h, --help Print help
-V, --version Print version