{% if date.start and date.end %}

  {% if date.start eq date.end %}
    {% set date.range = {{ date.end } %}
  {% else
    {% set date.range = {{ date.start }}-{{ date.end } %}
  {% endif %}

% else %}
    {% set date.range = {{ date.end }
{% endif %}

{% set copyright = {{ date.range }} Open Networking Foundation Contributors %}

# -----------------------------------------------------------------------
# Copyright {{ copyright }}
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------
# SPDX-FileCopyrightText: {{ copyright }}
# SPDX-License-Identifier: Apache-2.0
# ----------------------------------------------------------------------