.fix_bundler_for_jruby_17

def safe_system(cmd)
  $stderr.puts "Running: #{cmd}"
  result = system("#{cmd} 2>&1")
  unless result && $? && $?.success?
    raise "Command failed: #{$?.inspect}"
  end
end

if defined?(RUBY_ENGINE) && RUBY_ENGINE.to_s == 'jruby' && defined?(JRUBY_VERSION) && JRUBY_VERSION.to_s =~ /^1\.7\./
  safe_system("gem update --system")

  target_dir = "/home/travis/.rvm/gems"
  targets = Dir.entries(target_dir).select { |e| e =~ /^jruby\-#{JRUBY_VERSION}.*@global$/i }

  targets.each do |target|
    full_path = File.join(target_dir, target)
    safe_system("gem uninstall -i '#{full_path}' bundler")
  end

  safe_system("gem install bundler -v 1.12.5 --no-rdoc --no-ri --no-document")
else
  ruby_engine = if defined?(RUBY_ENGINE) then RUBY_ENGINE.inspect else 'nil' end
  jruby_version = if defined?(JRUBY_VERSION) then JRUBY_VERSION.inspect else 'nil' end

  puts "No need to fix Bundler versions. RUBY_ENGINE is #{ruby_engine} and JRUBY_VERSION is #{jruby_version}."
end