code: function tap(taps) {
    'use strict';
    // Tap each tap
    let execResults = _.map(taps, tap => shell.exec(`brew tap ${tap}`));
  
    return execResults;
  }
docs: @description Taps a homebrew tap.
  
  @param {string[]} taps - An array of the taps you want to tap.
  
  @return {object[]} A collection of return values from shell.exec().