$ git clone -n https://src.fedoraproject.org/rpms/babeltrace.git /var/lib/mock/f40-build-734164-105813/root/chroot_tmpdir/scmroot/babeltrace
Cloning into '/var/lib/mock/f40-build-734164-105813/root/chroot_tmpdir/scmroot/babeltrace'...
$ git fetch origin bf4107fd35646e755cf14ace17c04ca41fdb0bc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/babeltrace
 * [new ref]         bf4107fd35646e755cf14ace17c04ca41fdb0bc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf4107f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild