Expiration example:

• backshift --save-directory /backshift-production/save-directory --expire

Notes

• The first time you run an expire, it'll ask you how long you want to keep a given file in the backshift repository. You currently must enter the time to keep files, in units of seconds. The author likes to use 1 year, which is about 31556925 seconds.
• backshift-expire is deprecated. Please use backshift --expire instead.