upgrade

The upgrade command targets a thick or thin jail. Thin jails will be updated by changing the release mount point that it is based on. Thick jails will be upgraded normally.

ishmael ~ # bastille upgrade help
Usage: bastille upgrade [option(s)] TARGET [NEWRELEASE|install]
  Options:

  -a | --auto             Auto mode. Start/stop jail(s) if required.
  -f | --force            Force upgrade a jail.
  -x | --debug            Enable debug mode.