title: How to make a github workflow error message show up in log and annotations?
body: <p>I have a workflow step that runs this last stage of a shell command in a loop:</p>
  <p><code>    || echo &quot;::error Filename $filename doesn't match possible files&quot; &amp;&amp; exit 1 ; done</code></p>
  <p>The exit is triggered appropriately, but the only annotation I see is:</p>
  <p>Error: Process completed with exit code 1.</p>
  <p>The log shows the entire shell command pipeline and also that same error message, but not my echo'd error.</p>
  <p>How do I get my output, including the $filename variable, included?</p>