[New] Realtek checking all stages of the process

#!/usr/bin/env bash

function execute_with_sudo() {
  if [ "$EUID" -ne 0 ]; then
    sudo "$@"
  else
    "$@"
  fi
}

function check_online_git() {
  if ! command -v git &>/dev/null; then
    echo "Git is not installed. Please install Git before proceeding."
    return 1
  fi

  if ! curl --head --silent https://github.com/lwfinger/rtw88.git &>/dev/null; then
    echo "Git repository is not available online. Please check your internet connection or the repository URL."
    return 1
  fi

  return 0
}

function check_device() {
  if ! lsusb | grep -q "0bda:885c"; then
    echo "Realtek device 0bda:885c not found. Make sure the device is connected."
    return 1
  fi

  return 0
}

function check_existing_folder() {
  if [ -d "rtw88" ]; then
    echo "'rtw88' folder already exists. No need to clone again."
    return 1
  fi

  return 0
}

function install_dependencies() {
  echo "Installing dependencies..."
  execute_with_sudo apt update
  execute_with_sudo apt install -y git build-essential dkms
}

function download_driver() {
  check_device || return
  check_online_git || return
  check_existing_folder || return

  echo "Downloading the driver..."
  git clone https://github.com/lwfinger/rtw88.git
}

function install_driver() {
  echo "Installing the driver..."
  cd rtw88
  make
  execute_with_sudo make install
}

function load_kernel_module() {
  echo "Loading the kernel module..."
  execute_with_sudo modprobe rtw_8822b
}

function update_udev_rules() {
  echo "Updating udev rules..."
  execute_with_sudo update-initramfs -u
}

function main() {
  clear
  echo "Starting the installation of the Realtek 0bda:885c driver..."

  check_device || return
  install_dependencies
  download_driver
  install_driver
  load_kernel_module
  update_udev_rules

  echo "Driver installed successfully."
}

main