$ git clone -n https://gitee.com/wenyuzifang/cups_1765789558.git /var/lib/mock/dist-an23-build-495639-74608/root/chroot_tmpdir/scmroot/cups_1765789558
Cloning into '/var/lib/mock/dist-an23-build-495639-74608/root/chroot_tmpdir/scmroot/cups_1765789558'...
$ git fetch origin 4c89c881c9318fba2f1693ab7a702419af9da43c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/cups_1765789558
 * [new ref]         4c89c881c9318fba2f1693ab7a702419af9da43c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c89c88 Update code from upstream