$ git clone -n https://gitee.com/wency_cn/cups_1768528657.git /var/lib/mock/dist-an23-build-507524-74928/root/chroot_tmpdir/scmroot/cups_1768528657
Cloning into '/var/lib/mock/dist-an23-build-507524-74928/root/chroot_tmpdir/scmroot/cups_1768528657'...
$ git fetch origin f33d565482c46a80ab3038de8f164c9c7f93a2cd:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups_1768528657
 * [new ref]         f33d565482c46a80ab3038de8f164c9c7f93a2cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f33d565 Update code from upstream