+ # Run *plugin* to prune leftover users and directories.
+ #
+ # @param cfg [Configuration] configuration options passed to
+ # {PostfixadminPrune}.
+ #
+ # @param plugin [Class] plugin class that will perform the pruning.
+ #
+ def run(cfg, plugin)
+ # We don't want to check the PostfixAdmin database against itself.
+ return if plugin.class == PostfixadminPrune
+
+ pfa = PostfixadminPrune.new(cfg)
+
+ db_users = pfa.list_users()
+ db_domains = pfa.list_domains()
+
+ leftovers = plugin.get_leftover_users(db_users)
+ leftovers += plugin.get_leftover_domains(db_domains)
+
+ # We're counting on our PrunePlugin also being an RmPlugin here.
+ rm_runner = RmRunner.new()
+ rm_runner.run(cfg, plugin, *leftovers)