Function gitCommitFormattedTime

build-system/common/git.js:182–187

* Returns (UTC) time of a commit on the local branch, in %y%m%d%H%M%S format. * * @param {string} ref a Git reference (commit SHA, branch name, etc.) for the * commit to get the time of. * @return {string}

(ref = 'HEAD')

 * @return {string}
 */
function gitCommitFormattedTime(ref = 'HEAD') {
  const envPrefix = process.platform == 'win32' ? 'set TZ=UTC &&' : 'TZ=UTC';
  return getStdout(
    `${envPrefix} git log ${ref} -1 --pretty="%cd" --date=format-local:%y%m%d%H%M%S`
  ).trim();
}

/**
 * Returns the merge base of the current branch off of the main branch when