Gem.post_uninstall do |uninstaller|
  if uninstaller.spec.name == "shopify-cli"
    if RUBY_PLATFORM.match(/mingw32/)
      bat_path = File.dirname(RbConfig.ruby)
      bat = "#{bat_path}\\shopify.bat"

      # delete the auto-generated batch script
      File.unlink(bat)
    else
      require "fileutils"

      symlink = "/usr/local/bin/shopify"

      # delete the symbolic link IFF it exists AND it does not point to a file
      # (i.e., it's been left hanging as a result of the uninstall, as expected)
      #
      # if the file still exists, either the uninstall failed (possible but
      # unlikely) OR
      # there's another installation of the gem in another ruby folder that has
      # overwritten it, so leave the symbolic link alone
      system("sudo rm -f #{symlink}") if File.symlink?(symlink) && !File.exist?(symlink)
    end
  end

  true
end