$ git clone -n https://gitee.com/yummypeng/leveldb.git /var/lib/mock/dist-an23-build-273242-64184/root/chroot_tmpdir/scmroot/leveldb
Cloning into '/var/lib/mock/dist-an23-build-273242-64184/root/chroot_tmpdir/scmroot/leveldb'...
$ git reset --hard origin/a23
HEAD is now at 68826cf Init from upstream
$ git lfs pull