$ git clone -n https://gitee.com/src-anolis-os/leveldb.git /var/lib/mock/dist-an23-build-273310-64184/root/chroot_tmpdir/scmroot/leveldb
Cloning into '/var/lib/mock/dist-an23-build-273310-64184/root/chroot_tmpdir/scmroot/leveldb'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/leveldb
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68826cf Init from upstream