$ git clone -n https://gitee.com/yan1hcdc/mesa.git /var/lib/mock/dist-an23.3-build-432433-73058/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an23.3-build-432433-73058/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 9b03df098431c3ae316beb7aed0f333e94f77c36:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/mesa
 * [new ref]         9b03df098431c3ae316beb7aed0f333e94f77c36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b03df0 add support for RISC-V build