$ git clone -n https://src.fedoraproject.org/rpms/ibus-table-others.git /var/lib/mock/f39-build-1563133-37474/root/chroot_tmpdir/scmroot/ibus-table-others
Cloning into '/var/lib/mock/f39-build-1563133-37474/root/chroot_tmpdir/scmroot/ibus-table-others'...
$ git fetch origin 691fe46aad564221eefb154423ac827e11a58d54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-table-others
 * [new ref]         691fe46aad564221eefb154423ac827e11a58d54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 691fe46 Update to latest upstream 1.3.17