class Gem::Uninstaller

def ask_if_ok spec # :nodoc:
  msg = ['']
  msg << 'You have requested to uninstall the gem:'
  msg << "\t#{spec.full_name}"
  msg << ''
  siblings = Gem::Specification.select do |s|
               s.name == spec.name && s.full_name != spec.full_name
             end
  spec.dependent_gems.each do |dep_spec, dep, satlist|
    unless siblings.any? { |s| s.satisfies_requirement? dep }
      msg << "#{dep_spec.name}-#{dep_spec.version} depends on #{dep}"
    end
  end
  msg << 'If you remove this gem, these dependencies will not be met.'
  msg << 'Continue with Uninstall?'
  return ask_yes_no(msg.join("\n"), false)
end