$ git clone -n https://src.fedoraproject.org/rpms/mmtf-cpp.git /var/lib/mock/f40-build-2613472-64068/root/chroot_tmpdir/scmroot/mmtf-cpp
Cloning into '/var/lib/mock/f40-build-2613472-64068/root/chroot_tmpdir/scmroot/mmtf-cpp'...
$ git fetch origin b2868bb13ccafaee37c26bd138659d6ca1c65695:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmtf-cpp
 * [new ref]         b2868bb13ccafaee37c26bd138659d6ca1c65695 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2868bb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild