$ git clone -n https://gitee.com/wenjie2025/cups.git /var/lib/mock/dist-an23-build-502794-74819/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-502794-74819/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 83b5f7be946cda686803040d82c941ce9875b3df:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/cups
 * [new ref]         83b5f7be946cda686803040d82c941ce9875b3df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83b5f7b Update code from upstream