$ git clone -n https://gitee.com/opencloudos-stream/mppenc.git /var/lib/mock/dist-oc9-epol-build-119781-70815/root/chroot_tmpdir/scmroot/mppenc
Cloning into '/var/lib/mock/dist-oc9-epol-build-119781-70815/root/chroot_tmpdir/scmroot/mppenc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mppenc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1faf4f !1 initial build. Merge pull request !1 from 陈玉峰/master