$ git clone -n https://src.fedoraproject.org/rpms/realtime-tests.git /var/lib/mock/f40-build-790506-136598/root/chroot_tmpdir/scmroot/realtime-tests
Cloning into '/var/lib/mock/f40-build-790506-136598/root/chroot_tmpdir/scmroot/realtime-tests'...
$ git fetch origin aa59adc245fddb75b6dda732e49d8d623f344f4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/realtime-tests
 * [new ref]         aa59adc245fddb75b6dda732e49d8d623f344f4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa59adc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild