+#!/bin/sh
+
+#set -e
+
+# initramfs-tools header
+
+PREREQ=""
+
+prereqs()
+{
+ echo "${PREREQ}"
+}
+
+case "${1}" in
+ prereqs)
+ prereqs
+ exit 0
+ ;;
+esac
+
+# live-initramfs header
+
+# this bottom script currently only works with upstart
+if [ ! -d /root/etc/init ]
+then
+ exit 0
+fi
+
+. /scripts/live-functions
+
+# live-initramfs script
+
+for ARGUMENT in $(cat /proc/cmdline)
+do
+ case ${ARGUMENT} in
+ serialtty=*)
+ tty="${ARGUMENT#serialtty=}"
+
+ log_begin_msg "Setting up a serial tty..."
+
+cat > /root/etc/init/${tty}.conf <<EOF
+start on stopped rc RUNLEVEL=[2345]
+stop on runlevel [!2345]
+
+respawn
+exec /sbin/getty 115200 ${tty}
+EOF
+
+ log_end_msg
+ ;;
+ esac
+done