OK, this works in staging now.
Here's the patch:
https://infrastructure.fedoraproject.org/cgit/ansible.git/commit/?id=0736...
And verified that:
- I was allowed to build from my fork before applying it (bad!):
https://koji.stg.fedoraproject.org/koji/taskinfo?taskID=90061005
- I was disallowed from building from my fork after applying it (good!):
https://koji.stg.fedoraproject.org/koji/taskinfo?taskID=90061043
- Regular builds from the primary non-fork repos still worked afterwards:
https://koji.stg.fedoraproject.org/koji/taskinfo?taskID=90061048