| ["ping"] => OS.Process.exit (Main.requestPing ())
| ["slave-shutdown"] => Main.requestSlaveShutdown ()
| ["slave-ping"] => OS.Process.exit (Main.requestSlavePing ())
+ | ["package", node, pkg] => OS.Process.exit (Main.requestApt {node = node, pkg = pkg})
| _ => print "Invalid command-line arguments\n"