$ git clone -n https://src.fedoraproject.org/rpms/golang-k8s-gengo.git /var/lib/mock/f40-build-1518837-23913/root/chroot_tmpdir/scmroot/golang-k8s-gengo
Cloning into '/var/lib/mock/f40-build-1518837-23913/root/chroot_tmpdir/scmroot/golang-k8s-gengo'...
$ git fetch origin dfb97488fb3844d4c7ccf887430bceff7aab1c5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-k8s-gengo
 * [new ref]         dfb97488fb3844d4c7ccf887430bceff7aab1c5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfb9748 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild