module Hoe::Travis

def travis_versions
  if have_gem? 'ZenTest' and
     File.exist?(File.expand_path('~/.multiruby')) then
    `multiruby -v` =~ /^Passed: (.*)/
      $1.split(', ').map do |ruby_release|
      ruby_release.sub(/-.*/, '')
    end
  else
    with_config do |config, _|
      config['travis']['versions'] or
        Hoe::DEFAULT_CONFIG['travis']['versions']
    end
  end.sort
end