$ git clone -n https://gitee.com/src-opencloudos-rpms/selinux-policy.git /var/lib/mock/dist-oc8-build-66492-16741/root/chroot_tmpdir/scmroot/selinux-policy
Cloning into '/var/lib/mock/dist-oc8-build-66492-16741/root/chroot_tmpdir/scmroot/selinux-policy'...
$ git fetch origin 5cc5c3a6fa7b890434ca837770b2f8f0e609942b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/selinux-policy
 * [new ref]         5cc5c3a6fa7b890434ca837770b2f8f0e609942b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cc5c3a import selinux-policy-3.14.3-128.tl3.1