The files from rpmlint-checks are the content of the git tree. If you need
to make changes, you have the following options:
* Make them in git and update the package from git (you can send merge
  request if you don't have write access)
* Create a patch, add the patch to the package and let one of the
  maintainers commit it for you

The online repository is at:
https://github.com/openSUSE/rpmlint-checks

For building the package from git run the service directly:
osc service disabledrun