update.sh

   1 #!/bin/bash
   2 if [[ ! -e "/dev/sda1" ]]; then
   3  exit 1
   4 fi
   5
   6 printf "Found USB... "
   7
   8 umount /dev/sda1 > /dev/null 2>&1
   9 mount /dev/sda1 > /dev/null 2>&1 || (printf "Mount failure\n" && exit 1)
  10
  11 printf "\t\tMount OK\n"
  12
  13 if [[ -e "/mnt/usb-update/config.ini" ]]; then
  14   printf "Found config.ini... "
  15   (cp /mnt/usb-update/config.ini /home/pi/hdmi-switcher > /dev/null 2>&1 && printf "\tCopy OK\n") || printf "\tCopy failure\n"
  16 fi
  17
  18 if [[ -e "/mnt/usb-update/video.mp4" ]]; then
  19   printf "Found video.mp4... "
  20   (cp /mnt/usb-update/video.mp4 /home/pi/hdmi-switcher > /dev/null 2>&1 && printf "\tCopy OK\n") || printf "\tCopy failure\n"
  21 fi
  22
  23 if [[ -e "/mnt/usb-update/update.zip" ]] && [[ -e "/mnt/usb-update/update.sig" ]]; then
  24   current_version=$(/home/pi/hdmi-switcher/hdmi-switcher version)
  25   printf "Updating software... "
  26   openssl dgst -sha256 -verify public.pem -signature /mnt/usb-update/update.sig /mnt/usb-update/update.zip > /dev/null 2>&1
  27   if [[ $? = 0 ]]; then
  28     (unzip -o /mnt/usb-update/update.zip -d /home/pi > /dev/null 2>&1 && printf "\tOK\n") || printf "\tExtract failure\n"
  29     chmod +x /home/pi/hdmi-switcher/start.sh
  30     chmod +x /home/pi/hdmi-switcher/update.sh
  31     chmod +x /home/pi/hdmi-switcher/hdmi-switcher
  32     new_version=$(/home/pi/hdmi-switcher/hdmi-switcher version)
  33     if [[ "$current_version" != "$new_version" ]]; then
  34       printf "Restart required...\n"
  35       #reboot
  36     fi
  37   else
  38     printf "\tSignature failure\n"
  39   fi
  40 fi
  41
  42 umount /dev/sda1 > /dev/null 2>&1