$ git clone -n https://gitee.com/wenyuzifang/virglrenderer.git /var/lib/mock/dist-an23-build-486809-74383/root/chroot_tmpdir/scmroot/virglrenderer
Cloning into '/var/lib/mock/dist-an23-build-486809-74383/root/chroot_tmpdir/scmroot/virglrenderer'...
$ git fetch origin 9a34404691a7666313636d3dbef122ab1e0ed02f:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/virglrenderer
 * [new ref]         9a34404691a7666313636d3dbef122ab1e0ed02f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a34404 Update code from upstream