```ruby
#
# Cookbook Name:: ratpoison
#
# Copyright 2014, Shuberg Philis B.V.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'serverspec'

include SpecInfra::Helper::Exec
include SpecInfra::Helper::DetectOS

RSpec.configure do |c|
  if ENV['ASK_SUDO_PASSWORD']
    require 'highline/import'
    c.sudo_password = ask('Enter sudo password: ') { |q| q.echo = false }
  else
    c.sudo_password = ENV['SUDO_PASSWORD']
  end
end
```

Upgrade serverspec helper to latets notation
user
```ruby
#
# Cookbook Name:: ratpoison
#
# Copyright 2014, Shuberg Philis B.V.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'serverspec'

set :backend, :exec

RSpec.configure do |c|
  if ENV['ASK_SUDO_PASSWORD']
    require 'highline/import'
    c.sudo_password = ask('Enter sudo password: ') { |q| q.echo = false }
  else
    c.sudo_password = ENV['SUDO_PASSWORD']
  end
end
```
assistant