$ git clone -n https://gitee.com/wenyuzifang/cups_1765789766.git /var/lib/mock/dist-an23-build-495644-74608/root/chroot_tmpdir/scmroot/cups_1765789766
Cloning into '/var/lib/mock/dist-an23-build-495644-74608/root/chroot_tmpdir/scmroot/cups_1765789766'...
$ git fetch origin e470611c93ca3e4e9413e0768a16e5b9a9e3b56c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/cups_1765789766
 * [new ref]         e470611c93ca3e4e9413e0768a16e5b9a9e3b56c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e470611 Update code from upstream