$ git clone -n https://gitee.com/wency_cn/sscg_1767623213.git /var/lib/mock/dist-an23-build-503664-74854/root/chroot_tmpdir/scmroot/sscg_1767623213
Cloning into '/var/lib/mock/dist-an23-build-503664-74854/root/chroot_tmpdir/scmroot/sscg_1767623213'...
$ git fetch origin 99ee62d4482396b1b3c399a2bd5128012830828e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/sscg_1767623213
 * [new ref]         99ee62d4482396b1b3c399a2bd5128012830828e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99ee62d Update code from upstream