$ git clone -n https://gitee.com/wangpingping000/selinux-policy.git /var/lib/mock/dist-an23-build-181898-60073/root/chroot_tmpdir/scmroot/selinux-policy
Cloning into '/var/lib/mock/dist-an23-build-181898-60073/root/chroot_tmpdir/scmroot/selinux-policy'...
$ git fetch origin 1754c247a444bf5b42711a1784a9b6ba69ce822c:KOJI_FETCH_HEAD
From https://gitee.com/wangpingping000/selinux-policy
 * [new ref]         1754c247a444bf5b42711a1784a9b6ba69ce822c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1754c24 remove module_checksum