$ git clone -n https://gitee.com/opencloudos-stream/toluaplusplus.git /var/lib/mock/dist-oc9-epol-build-109603-67469/root/chroot_tmpdir/scmroot/toluaplusplus
Cloning into '/var/lib/mock/dist-oc9-epol-build-109603-67469/root/chroot_tmpdir/scmroot/toluaplusplus'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/toluaplusplus
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef9a664 update