How to implement dynamic link for build status in github readme?

Question

GitHub

There is a github repository using travis-ci to track build status. A link to the status badge has been added to the readme file. If someone forks, then the link remains to the status of the base repository, not to the fork build.
How to implement a reference to the current repository in the readme, and not to the base one?

Answer 1

It's hard enough. It's easier to manually change the link. (Moreover, how can readme find out the link to the badge in the fork travis?)