old_contents: module.exports = function updateCommand(program, helpers) {
    /**
     * Script to update project plugins
     */
    var we;
  
    program
    .command('update')
    .description('Run plugin update functions in current project')
    .action(function run() {
      we = helpers.getWe();
  
      we.bootstrap(function(err, we) {
        if (err) return doneAll(err);
  
        we.pluginManager.getPluginsToUpdate(function (err, plugins) {
          we.log.info(plugins.length +' plugins to update.');
  
          we.utils.async.eachSeries(plugins, function (plugin, next) {
            we.pluginManager.runPluginUpdates(plugin.name, next);
          }, function (err) {
            if (err) return doneAll(err);
  
            doneAll();
          });
        });
      });
    });
  
    function doneAll(err) {
      if ( err ) {
        we.log.error('Error:', err);
      } else {
        we.log.info('DONE All updates');
      }
  
      we.exit(function(){
        process.exit();
      });
    }
  }
  
new_contents: module.exports = function updateCommand(program, helpers) {
    /**
     * Script to update project plugins
     */
    var we;
  
    program
    .command('update')
    .description('Run plugin update functions in current project')
    .action(function run() {
      we = helpers.getWe({
        bootstrapMode: 'update'
      });
  
      we.bootstrap(function (err, we) {
        if (err) return doneAll(err);
  
        we.pluginManager.getPluginsToUpdate(function (err, plugins) {
          we.log.info(plugins.length +' plugins to update.');
  
          we.utils.async.eachSeries(plugins, function (plugin, next) {
            we.pluginManager.runPluginUpdates(plugin.name, next);
          }, function (err) {
            if (err) return doneAll(err);
  
            doneAll();
          });
        });
      });
    });
  
    function doneAll(err) {
      if ( err ) {
        we.log.error('Error:', err);
      } else {
        we.log.info('DONE All updates');
      }
  
      we.exit(function(){
        process.exit();
      });
    }
  }
  
subject: add update bootstrapMethod in update command