$ git clone -n https://src.fedoraproject.org/rpms/nheko.git /var/lib/mock/f40-build-2280591-55410/root/chroot_tmpdir/scmroot/nheko
Cloning into '/var/lib/mock/f40-build-2280591-55410/root/chroot_tmpdir/scmroot/nheko'...
$ git fetch origin 56291c0960abb9160f1436e8f738de5f03ead7d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nheko
 * [new ref]         56291c0960abb9160f1436e8f738de5f03ead7d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56291c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild