require 'bundler' Bundler::GemHelper.install_tasks desc "Run on this Ruby" task :spec do system %{rspec spec} exit $?.exitstatus end namespace :spec do desc "Run on three Rubies" task :platforms do current = %x{rvm-prompt v} fail = false %w{1.8.7 1.9.2 ree}.each do |version| puts "Switching to #{version}" system %{rvm #{version}} system %{rspec spec} if $?.exitstatus != 0 fail = true break end end system %{rvm #{current}} exit (fail ? 1 : 0) end end task :default => 'spec:platforms'