$ git clone -n https://src.fedoraproject.org/rpms/mate-menus.git /var/lib/mock/f40-build-790434-136584/root/chroot_tmpdir/scmroot/mate-menus
Cloning into '/var/lib/mock/f40-build-790434-136584/root/chroot_tmpdir/scmroot/mate-menus'...
$ git fetch origin b0b30e1cff10a7ffd758a6bdcc6750bd9ad96730:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mate-menus
 * [new ref]         b0b30e1cff10a7ffd758a6bdcc6750bd9ad96730 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0b30e1 update to 1.28.0