code: function getGitFolder() {
  	// Based on logic in Module._nodeModulePaths at
  	// https://github.com/joyent/node/blob/master/lib/module.js
  	var from = path.resolve('.'),
  		parts = from.split(process.platform === 'win32' ? /[\/\\]/ : /\//),
  		tip, dir
  
  	for (tip = parts.length - 1; tip >= 0; tip--) {
  		dir = parts.slice(0, tip + 1).concat('.git').join(path.sep)
  		try {
  			if (fs.statSync(dir).isDirectory()) {
  				// Found a valid .git directory
  				return dir
  			}
  		} catch (e) {
  			// Let 'for' iterate
  		}
  	}
  	return ''
  }
docs: Find the absolute path for the git folder
  @returns {string} - '' if not found