$ git clone -n https://gitee.com/wency_cn/cups.git /var/lib/mock/dist-an23-build-494028-74584/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-494028-74584/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 0f54e89ca341a72fcddb61585c9c1202c6dd162a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups
 * [new ref]         0f54e89ca341a72fcddb61585c9c1202c6dd162a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f54e89 Update code from upstream