$ git clone -n https://gitee.com/wency_cn/cups_1768553891.git /var/lib/mock/dist-an23-build-507657-74937/root/chroot_tmpdir/scmroot/cups_1768553891
Cloning into '/var/lib/mock/dist-an23-build-507657-74937/root/chroot_tmpdir/scmroot/cups_1768553891'...
$ git fetch origin 158161d7700e00d85997a7aa3cdce78cbb9c0dd8:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups_1768553891
 * [new ref]         158161d7700e00d85997a7aa3cdce78cbb9c0dd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 158161d Update code from upstream