$ git clone -n https://gitee.com/src-opencloudos-rpms/selinux-policy.git /var/lib/mock/dist-oc8-build-254746-84456/root/chroot_tmpdir/scmroot/selinux-policy
Cloning into '/var/lib/mock/dist-oc8-build-254746-84456/root/chroot_tmpdir/scmroot/selinux-policy'...
$ git fetch origin c19aeb4b6e1bd957f4fbf1fa7f38e3f492ddd5f8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/selinux-policy
 * [new ref]         c19aeb4b6e1bd957f4fbf1fa7f38e3f492ddd5f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c19aeb4 import selinux-policy-3.14.3-139.tl3.2.ap.1