$ git clone -n https://gitee.com/wency_cn/cups-pk-helper.git /var/lib/mock/dist-an23-build-501955-74783/root/chroot_tmpdir/scmroot/cups-pk-helper
Cloning into '/var/lib/mock/dist-an23-build-501955-74783/root/chroot_tmpdir/scmroot/cups-pk-helper'...
$ git fetch origin e5c8ff420646875182c59715de758dfd9579edb5:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups-pk-helper
 * [new ref]         e5c8ff420646875182c59715de758dfd9579edb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5c8ff4 Update code from upstream