$ git clone -n https://gitee.com/opencloudos-stream/policycoreutils.git /var/lib/mock/dist-ocs23-build-285781-27725/root/chroot_tmpdir/scmroot/policycoreutils
Cloning into '/var/lib/mock/dist-ocs23-build-285781-27725/root/chroot_tmpdir/scmroot/policycoreutils'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/policycoreutils
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8114f75 !3 add systemd-devel buildrequire which contains pkgconf file. Merge pull request !3 from cunshunxia/master