$ git clone -n https://src.fedoraproject.org/rpms/mmsd-tng.git /var/lib/mock/f40-build-2280140-55381/root/chroot_tmpdir/scmroot/mmsd-tng
Cloning into '/var/lib/mock/f40-build-2280140-55381/root/chroot_tmpdir/scmroot/mmsd-tng'...
$ git fetch origin 94a2a9cd947bfca3fa975fa5c323837708b297cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmsd-tng
 * [new ref]         94a2a9cd947bfca3fa975fa5c323837708b297cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94a2a9c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild