old_contents: 
  if (require.paths.indexOf(__dirname + '/support/ext/lib') === -1) {
    require.paths.unshift(__dirname + '/support/ext/lib')
    require.paths.unshift(__dirname + '/support/haml/lib')
    require.paths.unshift(__dirname + '/support/sass/lib')
    require.paths.unshift(__dirname + '/support/multipart/lib')
  }
  require('ext')
  Class = require('support/class/lib/class').Class
  require('express/core')
new_contents: 
  require.paths.unshift(__dirname + '/support/ext/lib')
  require.paths.unshift(__dirname + '/support/haml/lib')
  require.paths.unshift(__dirname + '/support/sass/lib')
  require.paths.unshift(__dirname + '/support/multipart/lib')
  require('ext')
  Class = require('support/class/lib/class').Class
  require('express/core')
subject: Revert "Only unshift support libs once"