in aws/lambdas/hhvm-get-build-status/index.js [5:17]
function get_version_info(event) {
let version = event.version;
if (!version) {
const s = (new Date()).toISOString()
version = s.slice(0,4)+'.'+s.slice(5, 7)+'.'+s.slice(8, 10);
}
const nightly = !! /^\d{4}(\.\d{2}){2}$/.exec(version);
return {
nightly,
branch: nightly ? 'master' : ('HHVM-'+version.match(/^\d+\.\d+/)[0]),
version: version
};
}