$ git clone -n https://src.fedoraproject.org/rpms/dxpc.git /var/lib/mock/f40-build-796683-140843/root/chroot_tmpdir/scmroot/dxpc
Cloning into '/var/lib/mock/f40-build-796683-140843/root/chroot_tmpdir/scmroot/dxpc'...
$ git fetch origin 04dffe8612f3f68b5cb1dcde30a364d223605f84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dxpc
 * [new ref]         04dffe8612f3f68b5cb1dcde30a364d223605f84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04dffe8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild