install

#!/bin/bash
required_os1="GNU/Linux";
required_os1_out=$(uname -o);
supported_models=("Raspberry Pi 4 Model B Rev");
device_tree_model=$(cat /proc/device-tree/model | tr '\0' '\n');

if [[ $required_os1_out != "$required_os1" ]]; then
  echo "You aren't on a supported system. System type must be of GNU/Linux.";
  exit;
fi;

supported_devtree_model=false;
for i in "${supported_models[@]}"; do
    if [[ $device_tree_model == *$i* ]]; then
      echo "Supported model of Raspberry Pi.";
      echo ".. $device_tree_model";
      supported_devtree_model=true;
    fi;
done

if [[ $supported_devtree_model == false ]]; then
  echo "You are not on a supported device model. Cannot run the installer. Supported device models are listed below.";
  echo "$supported_models";
  echo "Your model is '$device_tree_model' which is unsupported or not tested.";
  exit;
fi;

echo "Welcome to Raspberry Pi Software!";
echo "Gathering needed packages...";
python311_out=$(python --version);
if [[ $python311_out == "Python 3.11"* ]]; then
  echo "Supported Python Version: $python311_out";
else
  echo "Error. The install could not continue. Please download Python v3.11 or greater.";
  exit;
fi;

if [[ -d "/bin" ]]; then
  echo "Installing rpisft...";
  cp installer.bin/rpisft /bin/rpisft;
  sudo chmod +x /bin/rpisft;
  echo "RPISFT> Initialising...";
  rpisft first-installation;
  echo "Installed rpisft.";
  echo "Verifying installation...";
  if [[ -e "/bin/rpisft" ]]; then
    echo "Installation has been verified.";
  else
    echo "Installation has not been verified. Tool couldn't be installed.";
    echo "The installer failed: you may need to provide root access or the respectable privilages.";
    echo "Exiting...";
    exit;
  fi;
else
  echo "/bin: No such file or directory.";
  echo "The installer encountered an error and can't continue.";
  exit;
fi;

echo "The packages tool by Raspberry Pi Software has successfully been installed.";
echo "Exiting in 10 seconds.";
sleep 10;
exit;