$ git clone -n https://gitee.com/opencloudos-stream/ga.git /var/lib/mock/dist-oc9-epol-build-119237-70067/root/chroot_tmpdir/scmroot/ga
Cloning into '/var/lib/mock/dist-oc9-epol-build-119237-70067/root/chroot_tmpdir/scmroot/ga'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ga
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afe2a52 !1 add loongarch in ExclusiveArch Merge pull request !1 from streamlet_hy/master