in src/BuildHistoryDisplay.js [715:729]
function getPushedBy(build) {
const action = build.actions.find(
(action) => action._class === "hudson.model.CauseAction"
);
if (action === undefined) return "(unknown)";
const cause = action.causes.find(
(cause) => cause._class === "com.cloudbees.jenkins.GitHubPushCause"
);
if (cause === undefined) return "";
const match = cause.shortDescription.match(
/Started by GitHub push by (.+)/
);
if (match === null) return cause.shortDescription;
return match[1];
}