$ git clone -n https://gitee.com/opencloudos-stream/selinux-policy /var/lib/mock/dist-ocs23-riscv-base-build-322673-34323/root/chroot_tmpdir/scmroot/selinux-policy
Cloning into '/var/lib/mock/dist-ocs23-riscv-base-build-322673-34323/root/chroot_tmpdir/scmroot/selinux-policy'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/selinux-policy
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaf1816 Rebuilt for clarifying the packages requirement in BaseOS and AppStream