bup-prune-older(1) on Linux
The text ca835c78849d, as Debian 9 (Stretch) shipped it.
remove older saves (CAUTION: EXPERIMENTAL)
Flags it lists
-
-# -
--compress -
--gc -
--gc-threshold -
--keep-all-for -
--keep-dailies-for -
--keep-monthlies-for -
--keep-yearlies-for -
--pretend -
--verbose -
--wrt -
-v