gulpfile.js

var gulp            = require('gulp');
var phonegapBuild   = require('gulp-phonegap-build');

gulp.task( 'dist' , function(){
    
    gulp.src('www/**/*')
        .pipe(gulp.dest("./dist"));
    
    gulp.src('config.xml')
        .pipe(gulp.dest("./dist"));
    
});

gulp.task('phonegap-build', ['dist'], function () {
    gulp.src('dist/**/*')
        .pipe(phonegapBuild({
          "appId": "",
          "user": {
            "token": ""
          }
        }));
});

gulp.task('default',  function() {
    console.log( "Please specify a task" );
});

package.json

{
  "name": "phone-gap-build-util",
  "version": "1.0.0",
  "description": "",
  "main": "gulp.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "gulp": "^3.8.10",
    "gulp-phonegap-build": "^0.1.3"
  }

}

How to use this tool

• Download node.js
• Install gulp

npm install -g gulp

• Download this gist. Click the download gist button to the right.
• Copy the gulpfile.js and the package.json into your phonegap application folder. They should be at the same level as your www folder.
• In your terminal navigate to your app folder and install the dependencies

npm install

• Add your App ID to line 17 of gulpfile.js from http://build.phonegap.com
  
• Add your authorization token from https://build.phonegap.com/people/edit to token on line 19.
  

gulp.task('phonegap-build', ['dist'], function () {
    gulp.src('dist/**/*')
        .pipe(phonegapBuild({
          "appId": "YOUR APP ID GOES HERE",
          "user": {
            "token": "YOUR TOKEN GOES HERE"
          }
        }));
});