ChromeDriver installer for linux & mac systems

chromedriver.sh

#!/bin/bash

error() {
    echo -e "\033[1;31m$1\033[0m"
}
info() {
    echo -e "\033[1;32m$1\033[0m"
}

case "$(uname -s)" in
    Linux*)     OS=linux;;
    Darwin*)    OS=mac;;
    *)          error "This OS is not supported"; exit 1;;
esac

CHROMEDRIVER_VERSION=$(curl -sS https://chromedriver.storage.googleapis.com/LATEST_RELEASE)

if command -v chromedriver >/dev/null 2>&1; then
  current_version=$(chromedriver --version | awk '{print $2}')

  if [[ "$current_version" == "$CHROMEDRIVER_VERSION" ]]; then
    info "chromedriver version $CHROMEDRIVER_VERSION is already installed"
    exit 0
  else
    info "A different version of chromedriver is currently installed."
    read -p "Would you like to update from version $current_version to $CHROMEDRIVER_VERSION? (y/n) " choice
    case "$choice" in
      y|Y ) info "Removing current version of chromedriver"
            sudo rm -f "$(which chromedriver)"
            ;;
      * )   info "Aborting installation"
            exit 1
            ;;
    esac
  fi
fi

clear
info "Latest ChromeDriver downloading & installing…"
wget -q "https://chromedriver.storage.googleapis.com/$CHROMEDRIVER_VERSION/chromedriver_${OS}64.zip" -O /tmp/chromedriver.zip
if [ $? -ne 0 ]; then
    error "Can't download ChromeDriver!"
    exit 1
fi

info "File extracting…"
unzip -q /tmp/chromedriver.zip -d /tmp/
if [ $? -ne 0 ]; then
    error "File can't extract!"
    exit 1
fi

info "File moving…"
sudo mv /tmp/chromedriver /usr/local/bin/chromedriver
if [ $? -ne 0 ]; then
    error "File can't move!"
    exit 1
fi

info "Setting file permissions…"
sudo chmod +x /usr/local/bin/chromedriver
if [ $? -ne 0 ]; then
    error "Can't set file permissions!"
    exit 1
fi

info "Installation completed!"
info "ChromeDriver version: $CHROMEDRIVER_VERSION"