+#
+# Start of the script proper
+#
+# If we're not PID 1, parse & send commands to /run/initctl
+#
+if $$ != 1
+ case ARGV[0]
+ when 'poweroff', 'restart', 'halt'
+ do_cmd(ARGV[0].to_sym)
+ when 'status'
+ do_cmd(ARGV.shift.to_sym, *ARGV)
+ when 'test'
+ map = { poweroff: 0x4321fedc, restart: 0x01234567, halt: 0xcdef0123 }
+ # 169 == SYS_reboot
+ syscall(169, 0xfee1dead, 0x20112000, map[:poweroff])
+ else
+ puts('I know the following commands: poweroff, restart, halt, status, test')
+ exit 1
+ end
+end
+
+init
+
+ARGV.each do |e|
+ case e
+ when 'emergency'
+ $emergency = true
+ end
+end
+
+if $emergency
+ launch('agetty1', %w[/sbin/agetty tty1 --noclear --autologin root])
+else
+ # Launch TTYs...
+ (1..5).each do |n|
+ launch("agetty#{n}", %W[/sbin/agetty tty#{n} --noclear])
+ end
+end
+