$ git clone -n https://src.fedoraproject.org/rpms/trackballs.git /var/lib/mock/f40-build-790180-136350/root/chroot_tmpdir/scmroot/trackballs
Cloning into '/var/lib/mock/f40-build-790180-136350/root/chroot_tmpdir/scmroot/trackballs'...
$ git fetch origin 29668935e1348cedc70b3fc329cc9993c39e51e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trackballs
 * [new ref]         29668935e1348cedc70b3fc329cc9993c39e51e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2966893 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild