$ git clone -n https://gitee.com/wency_cn/cups.git /var/lib/mock/dist-an23-build-508511-74994/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-508511-74994/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 9cf44e7f63a66029bc6bfc88538298fdb6012ad5:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups
 * [new ref]         9cf44e7f63a66029bc6bfc88538298fdb6012ad5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cf44e7 Update code from upstream