linux_setup_flir

#!/bin/bash -e

echo ""
echo -e "\e[32mStarting spinnaker_camera_driver setup script\e[0m"
echo ""

while true; do
read -p "Add the flirimaging group? (y/n)? " yn
case $yn in
  [yY] )
    if [ $(getent group flirimaging) ];
    then
      echo "flirimaging group already exists";
    else
      echo "Adding flirimaging group";
      sudo addgroup flirimaging;
    fi
    if id -nGz "$USER" | grep -qzxF "flirimaging";
    then
      echo "User:${USER} is already in flirimaging group";
    else
      echo "Adding user:${USER} to flirimaging group";
      sudo usermod -a -G flirimaging ${USER};
    fi
    break;;
  [nN] )
    break;;
  *)
    echo "invalid response";;
esac
done

while true; do
read -p "Increase the usbfs memory limits in the default grub configuration (y/n)? " yn
case $yn in
  [yY] )
    val=$(< /sys/module/usbcore/parameters/usbfs_memory_mb)
    if [ "$val" -lt "1000" ]; then
      if [ -e /etc/default/grub ]; then
        if [ $(grep -c "usbcore.usbfs_memory_mb=" /etc/default/grub) -eq 0 ]; then # Memory Limit has not already been set
          sudo sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="[^"]*/& usbcore.usbfs_memory_mb=1000/' /etc/default/grub
          echo "Increased the usbfs memory limits in the default grub configuration. Updating grub"
          sudo update-grub
        else
          echo -e "\e[33mWarn: usbfs memory limit is already set in /etc/default/grub in the following line:\e[0m"
          echo "$(grep "usbcore.usbfs_memory_mb" /etc/default/grub)"
          echo -e "\e[33mNo changes made, verify that usbfs_memory_mb is set to a minimum of 1000 and then try rebooting the computer\e[0m"
        fi

      else
        echo -e "\e[33mWarn: /etc/default/grub configuration file not found, no changes made. usbfs_memory_mb must be set manually.\e[0m"
        echo -e "\e[33mSee https://github.com/ros-drivers/flir_camera_driver/blob/humble-devel/spinnaker_camera_driver/docs/linux_setup_flir.md for instructions\e[0m"
        exit 0
      fi
    else
      echo "usbfs_memory_mb is already set to $val, no changes necessary."
    fi
    break;;
  [nN] )
    break;;
  *)
    echo "invalid response";;
esac
done

echo ""
echo -e "\e[32mDone: spinnaker_camera_driver setup script\e[0m"
echo "Please reboot the device to ensure changes have taken full effect"
echo ""