$ git clone -n https://gitee.com/opencloudos-stream/NetworkManager-l2tp.git /var/lib/mock/dist-oc9-epol-build-105772-66638/root/chroot_tmpdir/scmroot/NetworkManager-l2tp
Cloning into '/var/lib/mock/dist-oc9-epol-build-105772-66638/root/chroot_tmpdir/scmroot/NetworkManager-l2tp'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/NetworkManager-l2tp
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0f4c57 update