$ git clone -n https://src.fedoraproject.org/rpms/trackballs.git /var/lib/mock/f39-build-1495268-34544/root/chroot_tmpdir/scmroot/trackballs
Cloning into '/var/lib/mock/f39-build-1495268-34544/root/chroot_tmpdir/scmroot/trackballs'...
$ git fetch origin 2afd93a4bfa8bb180c53f91b7ef808a3ed4ebda1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trackballs
 * [new ref]         2afd93a4bfa8bb180c53f91b7ef808a3ed4ebda1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2afd93a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild