Function command

lib/version.js:77–87

(cmd)

}

function command(cmd) {
  return new Promise(function (resolve, reject) {
    exec(cmd, { cwd: root }, function (err, stdout, stderr) {
      var error = stderr.trim();
      if (error) {
        return reject(new Error(error));
      }
      resolve(stdout.split('\n').join(''));
    });
  });
}

function commit() {
  return command('git rev-parse HEAD');