Getting notifications for files that no longer exist when process is restarted

[ghost]

I'm not sure if this is expected behavior or not, but it seems weird to me. I have a node process watching a folder, and when I restart that process (not the watchman process), I get a slew of events for files that no longer exist.

e.g.:

• start watchman
• start watch script
• create "foo.js" (notification)
• delete "foo.js" (notification)
• restart watch script
• get notified that "foo.js" was created

relevant code is almost straight from the docs:

  const client = new watchman.Client();

  client.command(['watch-project', folderToWatch], (cmdErr, cmdResp) => {
    const { watch } = cmdResp;

    client.command(
      ['subscribe', watch, subscriptionName, subscriptionConfig],
      (subErr) => {}
    );

    client.on('subscription', (resp) => {
      resp.files.forEach(processSubscriptionFile);
    });
  });

[ghost]

And jest sometimes refuses to see new tests until after I kill the watchman process.

Seem to just be horribly flaky in ubuntu 20.04 at least