[ignaloidas]

Considering how few people do so, I'm fairly certain it would take more than a month for somebody to catch that.

But I guess it's also fairly easy to test it: just serve a slightly different version to the google's go mirror (by the user agent), and see how long until somebody complains to you about it.

[morelisp]

> how few people do so

I think every company I know of with private Go modules (6-8 or so?) is running a module proxy, which will detect this. The several times we've detected this it's always been within 2-3 days of the upstream mistake. When I go to report a bug we're not always the first either.