$ git clone -n https://src.fedoraproject.org/rpms/dxcc.git /var/lib/mock/f40-build-2345492-59972/root/chroot_tmpdir/scmroot/dxcc
Cloning into '/var/lib/mock/f40-build-2345492-59972/root/chroot_tmpdir/scmroot/dxcc'...
$ git fetch origin 8d12ae9ac171bbf1e9da6d984159c53affaec8fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dxcc
 * [new ref]         8d12ae9ac171bbf1e9da6d984159c53affaec8fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d12ae9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild