land 851 Bytes
#!/usr/bin/env node

"use strict";

var url   = "https://github.com/jshint/jshint/pull/" + process.argv[2] + ".patch";
var https = require("https");
var shjs  = require("shelljs");
var opts  = require("url").parse(url);
var msg   = process.argv[3];

opts.rejectUnauthorized = false;
opts.agent = new https.Agent(opts);

https.get(opts, succ).on("error", err);

function succ(res) {
  if (res.statusCode !== 200)
    return void console.log("error:", res.statusCode);

  var data = "";
  res.on("data", function (chunk) {
    data += chunk.toString();
  });

  res.on("end", function () {
    data = data.split("\n");
    data = data[1].replace(/^From\:\s/, "");
    data = data.replace(/"/g, "");

    shjs.exec("git commit -s --author=\"" + data + "\" --message=\"" + msg + "\"");
  });
}

function err(res) {
  console.log("error:", res.message);
}