--prune=<date>::
Prune loose objects older than date (default is 2 weeks ago,
- overridable by the config variable `gc.pruneExpire`). This
- option is on by default.
+ overridable by the config variable `gc.pruneExpire`).
+ --prune=all prunes loose objects regardless of their age.
+ --prune is on by default.
--no-prune::
Do not prune any loose objects.