$ git clone -n https://src.fedoraproject.org/rpms/trademgen.git /var/lib/mock/f40-build-780855-131356/root/chroot_tmpdir/scmroot/trademgen
Cloning into '/var/lib/mock/f40-build-780855-131356/root/chroot_tmpdir/scmroot/trademgen'...
$ git fetch origin 15ebddf7c43744fca5cf2abe3a2cc246ad312ec5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trademgen
 * [new ref]         15ebddf7c43744fca5cf2abe3a2cc246ad312ec5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15ebddf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild