$ git clone -n https://gitee.com/opencloudos-stream/mesa-demos.git /var/lib/mock/dist-ocs23-build-64142-2844/root/chroot_tmpdir/scmroot/mesa-demos
Cloning into '/var/lib/mock/dist-ocs23-build-64142-2844/root/chroot_tmpdir/scmroot/mesa-demos'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mesa-demos
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aff20c5 Rebuilt for OpenCloudOS Stream 23.09