$ git clone -n https://gitee.com/wency_cn/sscg_1770728171.git /var/lib/mock/dist-an23-build-513112-75099/root/chroot_tmpdir/scmroot/sscg_1770728171
Cloning into '/var/lib/mock/dist-an23-build-513112-75099/root/chroot_tmpdir/scmroot/sscg_1770728171'...
$ git fetch origin d057a37b8e12bb9985e930e5066ac71068149288:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/sscg_1770728171
 * [new ref]         d057a37b8e12bb9985e930e5066ac71068149288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d057a37 Update code from upstream