$ git clone -n https://gitee.com/wenyuzifang/cups.git /var/lib/mock/dist-an23-build-469349-74027/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-469349-74027/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 1170be7af8147be4f216b56f7d95b442074ee0d3:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/cups
 * [new ref]         1170be7af8147be4f216b56f7d95b442074ee0d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1170be7 Update code from upstream