Mode switcher for USB armory

make_me.sh

#!/bin/sh
#
# Function switcher for USB armory

if [ $# -eq 0 -o $# -eq 1 -a \( "$1" != "stick" -a "$1" != "stick-win" -a "$1" != "stick-mac" -a "$1" != "host" \) ]
then
  echo "Usage: $0 stick|stick-win|stick-mac|host"
  exit 1
fi

if [ `id -u` -ne 0 ]
then
  sudo bash $0 "$@"
  exit
fi

if [ $1 = "stick" ]
then
  echo Switching to stick
  ln -sf /boot/imx53-usbarmory-default-4.14.52-0.dtb /boot/imx53-usbarmory.dtb
  sed -i -e 's/\(.*\)address .*$/\1address 10.0.0.1/' /etc/network/interfaces
  sed -i -e 's/\(.*\)gateway .*$/\1gateway 10.0.0.2/' /etc/network/interfaces
elif [ $1 = "stick-win" ]
then
  echo Switching to stick for Windows
  ln -sf /boot/imx53-usbarmory-default-4.14.52-0.dtb /boot/imx53-usbarmory.dtb
  sed -i -e 's/\(.*\)address .*$/\1address 192.168.137.200/' /etc/network/interfaces
  sed -i -e 's/\(.*\)gateway .*$/\1gateway 192.168.137.1/' /etc/network/interfaces
elif [ $1 = "stick-mac" ]
then
  echo Switching to stick for MacOSX
  ln -sf /boot/imx53-usbarmory-default-4.14.52-0.dtb /boot/imx53-usbarmory.dtb
  sed -i -e 's/\(.*\)address .*$/\1address 192.168.2.200/' /etc/network/interfaces
  sed -i -e 's/\(.*\)gateway .*$/\1gateway 192.168.2.1/' /etc/network/interfaces
elif [ $1 = "host" ]
then
  echo Switching to host
  ln -sf /boot/imx53-usbarmory-host-4.14.52-0.dtb /boot/imx53-usbarmory.dtb
  sed -i -e 's/\(.*\)wpa-ssid .*$/\1wpa-ssid SSID_of_a_wifi_network' /etc/network/interfaces
  sed -i -e 's/\(.*\)wpa-psk .*$/\1wpa-psk PASSWORD_of_a_wifi_network' /etc/network/interfaces
fi