title: How to skip the commit message step in "git commit --amend"?
body: <p>I'm running a very rapid code-compile-test loop where I am amending changes to my commits far more often than not.</p>
  
  <p>For example:</p>
  
  <pre><code># Make some changes
  $ git commit -m "Added feature X"
  # Compile, test
  # Fix bugs
  $ git commit -a --amend
  </code></pre>
  
  <p>I usually want the same commit message after I fix my bugs. Is there a way to make git skip firing up my <code>EDITOR</code> and just use the original commit message?</p>