Hubot listener middleware example for gating commands based on bot instance

hubot_listeners.js

// Setup Listener Middleware
robot.listenerMiddleware(function(context, next, done){
  var mode = context.listener.options.mode || '';
  if (mode === '' || process.env.BOT_MODE === mode) {
    next(done);
  } else {
    done();
  }
});

// Register listeners
robot.respond(/test command0/i, function(msg) {
  // Will work in any instance
}

robot.respond(/test command1/i, {mode: 'instance1'}, function(msg) {
  // Will only work in instance1
}

robot.respond(/test command2/i, {mode: 'instance2'}, function(msg) {
  // Will only work in instance2
}