code: def disable_env_reset_on_sudo(log=False):
      
      if log:
          bookshelf2.logging_helpers.log_green('disabling env reset on sudo')
  
      file_append('/etc/sudoers',
                  'Defaults:%wheel !env_reset,!secure_path',
                  use_sudo=True,
                  partial=True)
      return True
docs: updates /etc/sudoers so that users from %wheel keep their
          environment when executing a sudo call