Do not try to delete runner if script already running #1412
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We catch Octokit::Conflict exception with the "Already exists" message to ensure the
register_runner
function is idempotent. If it's run a second time, it fails with this exception.Recently, we found a few examples with non-idempotent results. If this label run again after the start of the script, it fails with the following error:
This PR fixes this issue by checking if the script is already running before trying to delete the runner.