title: Homebrew issue with mac M1
body: <p>I tried to install homebrew in a new mac with M1 chip. When I do brew --version, I got this:</p>
  <pre><code>brew --version
  Homebrew 3.1.2-40-g520b811
  Homebrew/homebrew-core N/A
  </code></pre>
  <p>Anyone knows how to fix it Homebrew/homebrew-core?</p>