ickyrr-gagarin/lib/utils.js

A current updated fork of gagarin

var Promise = require('es6-promise').Promise;
var path = require('path');
var fs = require('fs');

exports.getGagarinPackageVersion = function getGagarinPackageVersion(pathToApp) {

  var pathToMeteorPackages = path.join(pathToApp, '.meteor', 'packages');

  return new Promise(function (resolve, reject) {
    fs.readFile(pathToMeteorPackages, { encoding: 'utf-8' }, function (err, content) {
      if (err) {
        // this should not happend ...
        return reject(err);
      }
      var match = content.match(/anti:gagarin@=(.*)/);
      // if we dont find a match, then either gagarin is not
      // added or the version is not specified explicitly,
      // which is still wrong
      resolve(match && match[1]);
    });
  });
}