$ git clone -n https://gitee.com/chen_yu_ao/libselinux.git /var/lib/mock/dist-an23-build-195638-60889/root/chroot_tmpdir/scmroot/libselinux
Cloning into '/var/lib/mock/dist-an23-build-195638-60889/root/chroot_tmpdir/scmroot/libselinux'...
$ git fetch origin a28202a8463473b4b919f256064d90244e5ed338:KOJI_FETCH_HEAD
From https://gitee.com/chen_yu_ao/libselinux
 * [new ref]         a28202a8463473b4b919f256064d90244e5ed338 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a28202a remove selinux.dump file