$ git clone -n https://gitee.com/wency_cn/cepces.git /var/lib/mock/dist-an23-build-503666-74854/root/chroot_tmpdir/scmroot/cepces
Cloning into '/var/lib/mock/dist-an23-build-503666-74854/root/chroot_tmpdir/scmroot/cepces'...
$ git fetch origin c2a7ddc6e61ad1c1eeb831fb4da5cd9e2adca23c:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cepces
 * [new ref]         c2a7ddc6e61ad1c1eeb831fb4da5cd9e2adca23c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2a7ddc Update code from upstream