run

#!/usr/bin/env node

// this starts the node server and the sinatra app
// worker output (stdout/stderr) is displayed

var sys     = require('sys')
  , spawn   = require('child_process').spawn
  , workers = new Array(
      {'name' : 'Node', 'process' : spawn('node',   ['server.js'])},
      {'name' : 'Thin', 'process' : spawn('bundle', ['exec', 'thin start'])}
    );

// capture stderr/stdout for each worker,
// exit main process if a worker dies
workers.forEach(function(worker, index) {

  worker.process.addListener('exit', function(code) {
    sys.puts(worker.name + ' exited');
    workers[index].process = null;
    process.exit();
  });

  worker.process.stderr.addListener('data', function(data) {
    if( /^execvp\(\)/.test(data.asciiSlice(0, data.length)) ) { // node docs :-)
      sys.puts(worker.name + ' did not start');
    }
  });

  worker.process.stderr.addListener('data', function(data) {
    sys.puts(data);
  });

  worker.process.stdout.addListener('data', function(data) {
    sys.puts(data);
  });
});

// when the main process exits, make sure no workers are left behind
process.addListener('exit', function() {

  workers.forEach(function(worker, index) {
    if( worker.process !== null ) {
      worker.process.kill();
    }
  });
});

// vim: ft=javascript