deploy.js

var http = require("http");
var createHandler = require("github-webhook-handler");
var handler = createHandler({ path: "/", secret: "#Github secret" });
// 上面的 secret 保持和 GitHub 后台设置的一致

function run_cmd(cmd, args, callback) {
  var spawn = require("child_process").spawn;
  var child = spawn(cmd, args);
  var resp = "";

  child.stdout.on("data", function(buffer) {
    resp += buffer.toString();
  });
  child.stdout.on("end", function() {
    callback(resp);
  });
}

http
  .createServer(function(req, res) {
    handler(req, res, function(err) {
      res.statusCode = 404;
      res.end("no such location");
    });
  })
  .listen(7777);

handler.on("error", function(err) {
  console.error("Error:", err.message);
});

handler.on("push", function(event) {
  console.log(
    "Received a push event for %s to %s",
    event.payload.repository.name,
    event.payload.ref
  );
  run_cmd("sh", ["./deploy.sh"], function(text) {
    console.log(text);
  });
});