$ git clone -n https://gitee.com/src-opencloudos-rpms/mesa /var/lib/mock/dist-oc8-build-56953-15178/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-oc8-build-56953-15178/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mesa
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 520d952 import mesa-22.3.0-2.tl3