$ git clone -n https://gitee.com/wency_cn/volume_key.git /var/lib/mock/dist-an23-build-508237-74974/root/chroot_tmpdir/scmroot/volume_key
Cloning into '/var/lib/mock/dist-an23-build-508237-74974/root/chroot_tmpdir/scmroot/volume_key'...
$ git fetch origin f18d766b2277d1ad4c990bdb554ce0190b355668:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/volume_key
 * [new ref]         f18d766b2277d1ad4c990bdb554ce0190b355668 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f18d766 Update code from upstream