$ git clone -n https://gitee.com/wency_cn/volume_key_1767792494.git /var/lib/mock/dist-an23-build-504927-74854/root/chroot_tmpdir/scmroot/volume_key_1767792494
Cloning into '/var/lib/mock/dist-an23-build-504927-74854/root/chroot_tmpdir/scmroot/volume_key_1767792494'...
$ git fetch origin 6b21163affe7a8b12456a12d8056d6d3e6a30a2d:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/volume_key_1767792494
 * [new ref]         6b21163affe7a8b12456a12d8056d6d3e6a30a2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b21163 Update code from upstream