ROSbot firmware update

fw_update.sh

#!/bin/bash

USAGE_STR="Usage: ./fw_update.sh <tag> e.g. ./fw_update.sh 0.9.0"
MACHINE=`uname -m`

if [ ${#} -ne 1 ]; then
   echo -e "Wrong number of arguments.\n$USAGE_STR"
   exit 1
fi

IS_OK=`curl -I -s https://files.husarion.com/rosbot-firmware/rosbot-2.0-fw-v${1}.bin | head -n 1 - | grep -e '200' -c`

if [ $IS_OK -eq 1  ]; then
   echo "The tag ${1} exists. Downloading..."
   if [ "$MACHINE" = "armv7l" ]; then
      curl -o firmware.bin https://files.husarion.com/rosbot-firmware/rosbot-2.0-fw-v${1}.bin && sudo stm32loader -c tinker -u -W && sudo stm32loader -c tinker -e -w -v firmware.bin 
   else
      curl -o firmware.bin https://files.husarion.com/rosbot-firmware/rosbot-2.0-pro-fw-v${1}.bin && sudo stm32loader -c upboard -u -W && sudo stm32loader -c tinker -e -w -v firmware.bin 
   fi
   rm firmware.bin
else
   echo "Tag ${1} does not exist. Exiting..."
   exit 1
fi