#!/bin/bash
# Copyright (c) 2026 Tigera, Inc. All rights reserved.
#
# 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.

# Deletes the bpf-gpl programs from the objects the FVs mount into Felix,
# keeping the bpf-apache ones that the iptables and nftables dataplanes load.
# The non-BPF lanes' cache keys leave out the bpf-gpl programs,
# so a test that needs one must fail rather than pass on a stale entry.

set -euo pipefail

cd "$(dirname "$0")/.."
removed=0
for obj in bin/bpf/*.o; do
  if [ ! -e "bpf-apache/$(basename "${obj%.o}").c" ]; then
    rm -f "$obj"
    removed=$((removed + 1))
  fi
done
echo "Removed $removed bpf-gpl objects; kept: $(cd bin/bpf && echo *.o)"