$ git clone -n https://gitee.com/renbo02/lmdb.git /var/lib/mock/dist-an23-build-441750-73171/root/chroot_tmpdir/scmroot/lmdb
Cloning into '/var/lib/mock/dist-an23-build-441750-73171/root/chroot_tmpdir/scmroot/lmdb'...
$ git fetch origin 3c556f0a8e17d99772ae82d126e21569276c3d0a:KOJI_FETCH_HEAD
From https://gitee.com/renbo02/lmdb
 * [new ref]         3c556f0a8e17d99772ae82d126e21569276c3d0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c556f0 Use upstream tar