$ git clone -n https://gitee.com/wenyuzifang/lldb.git /var/lib/mock/dist-an23-build-471863-74118/root/chroot_tmpdir/scmroot/lldb
Cloning into '/var/lib/mock/dist-an23-build-471863-74118/root/chroot_tmpdir/scmroot/lldb'...
$ git fetch origin e14ac2582ee5d573785a56d43ce451e26ce51c60:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/lldb
 * [new ref]         e14ac2582ee5d573785a56d43ce451e26ce51c60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e14ac25 Update code from upstream