Add badge depending on branch

pre-commit

#!/usr/bin/env node
`use strict`;

const exec = require('child_process').execSync;
const fs = require('fs');

let USER =  "repositive"
let REPO = "hapi-path-generator"

console.log('Starting pre-commit hook...');

let BRANCH = exec('git rev-parse --abbrev-ref HEAD');

let BADGE = `[![Build Status](https://travis-ci.org/${USER}/${REPO}.png?branch=${BRANCH})][travis]`;

let readme = fs.readFileSync(`${__dirname}/../../README.md`);
readme.replace('{{BADGE}}', BADGE);

exec('git add README.md');

print('pre-commit hook complete');