$ git clone -n https://src.fedoraproject.org/rpms/mmc.git /var/lib/mock/f40-build-1507876-23891/root/chroot_tmpdir/scmroot/mmc
Cloning into '/var/lib/mock/f40-build-1507876-23891/root/chroot_tmpdir/scmroot/mmc'...
$ git fetch origin d8cf87aabcb13dd96f800400424c7ef551223907:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmc
 * [new ref]         d8cf87aabcb13dd96f800400424c7ef551223907 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8cf87a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild