$ git clone -n https://src.fedoraproject.org/rpms/rpmbuild-order.git /var/lib/mock/f40-build-793188-138800/root/chroot_tmpdir/scmroot/rpmbuild-order
Cloning into '/var/lib/mock/f40-build-793188-138800/root/chroot_tmpdir/scmroot/rpmbuild-order'...
$ git fetch origin 081fc025502740b17a92473482718f1744e88565:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpmbuild-order
 * [new ref]         081fc025502740b17a92473482718f1744e88565 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 081fc02 https://hackage.haskell.org/package/rpmbuild-order-0.4.11/changelog