$ git clone -n https://gitee.com/wenjie2025/cups.git /var/lib/mock/dist-an23-build-506651-74878/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-506651-74878/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin ca83629aef8396519b69627b74fc723a533ab2a7:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/cups
 * [new ref]         ca83629aef8396519b69627b74fc723a533ab2a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca83629 Update code from upstream