$ git clone -n https://gitee.com/wency_cn/cups_1768913968.git /var/lib/mock/dist-an23-build-508249-74974/root/chroot_tmpdir/scmroot/cups_1768913968
Cloning into '/var/lib/mock/dist-an23-build-508249-74974/root/chroot_tmpdir/scmroot/cups_1768913968'...
$ git fetch origin 0cbd667943f0d0408674f366723b6c7e1a039c3f:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups_1768913968
 * [new ref]         0cbd667943f0d0408674f366723b6c7e1a039c3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cbd667 Update code from upstream