crx-bump/src/is-git-repo.js

Automatically (or with prompts) bump your version number(for Chrome Extension), commit changes, tag, and push to Git

// @ts-check
const sh = require('shelljs')

module.exports = function isGitRepo() {
  sh.config.silent = true
  return !!sh.which('git') && !!sh.find('.git').length
}