$ git clone -n https://gitee.com/wenyuzifang/libdv.git /var/lib/mock/dist-an23-build-469505-74027/root/chroot_tmpdir/scmroot/libdv
Cloning into '/var/lib/mock/dist-an23-build-469505-74027/root/chroot_tmpdir/scmroot/libdv'...
$ git fetch origin 67ce9ce35b2e2f1360fa23c5dfdc805d5cadf994:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libdv
 * [new ref]         67ce9ce35b2e2f1360fa23c5dfdc805d5cadf994 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67ce9ce Update code from upstream