---
# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: 2026 The Linux Foundation

name: "license-check"
description: "Check for standard license/copyright header"

runs:
  using: "composite"
  steps:
    - id: check-licenses
      shell: bash
      run: |
        set +e -u -o pipefail
        fail_licensecheck=0

        while IFS= read -r -d '' f
        do
          grep -q "Copyright\|Apache License" "${f}"
          rc=$?
          if [[ $rc != 0 ]]; then
            echo "ERROR: $f does not contain License Header"
            fail_licensecheck=1
          fi
        done < <(find . -name ".git" -prune -o -type f \
          -name "*.*" \
          ! -name "*.PNG" \
          ! -name "*.asc" \
          ! -name "*.bat" \
          ! -name "*.bin" \
          ! -name "*.cert" \
          ! -name "*.cfg" \
          ! -name "*.cnf" \
          ! -name "*.conf" \
          ! -name "*.cql" \
          ! -name "*.crt" \
          ! -name "*.csar" \
          ! -name "*.csr" \
          ! -name "*.csv" \
          ! -name "*.ctmpl" \
          ! -name "*.curl" \
          ! -name "*.db" \
          ! -name "*.der" \
          ! -name "*.desc" \
          ! -name "*.diff" \
          ! -name "*.dnsmasq" \
          ! -name "*.do" \
          ! -name "*.docx" \
          ! -name "*.eot" \
          ! -name "*.gif" \
          ! -name "*.gpg" \
          ! -name "*.graffle" \
          ! -name "*.ico" \
          ! -name "*.iml" \
          ! -name "*.in" \
          ! -name "*.inc" \
          ! -name "*.install" \
          ! -name "*.j2" \
          ! -name "*.jar" \
          ! -name "*.jks" \
          ! -name "*.jpg" \
          ! -name "*.json" \
          ! -name "*.jsonld" \
          ! -name "*.JSON" \
          ! -name "*.key" \
          ! -name "*.list" \
          ! -name "*.local" \
          ! -path "*.lock" \
          ! -name "*.log" \
          ! -name "*.mak" \
          ! -name "*.md" \
          ! -name "*.MF" \
          ! -name "*.mk" \
          ! -name "*.oar" \
          ! -name "*.p12" \
          ! -name "*.patch" \
          ! -name "*.pb.go" \
          ! -name "*.pb.gw.go" \
          ! -name "*.pdf" \
          ! -name "*.pcap" \
          ! -name "*.pem" \
          ! -name "*.png" \
          ! -name "*.properties" \
          ! -name "*.proto" \
          ! -name "*.protoset" \
          ! -name "*.pyc" \
          ! -name "*.repo" \
          ! -name "*.robot" \
          ! -name "*.rst" \
          ! -name "*.rules" \
          ! -name "*.service" \
          ! -name "*.svg" \
          ! -name "*.swp" \
          ! -name "*.tar" \
          ! -name "*.tar.gz" \
          ! -name "*.toml" \
          ! -name "*.ttf" \
          ! -name "*.txt" \
          ! -name "*.woff" \
          ! -name "*.xproto" \
          ! -name "*.xtarget" \
          ! -name "*ignore" \
          ! -name "*rc" \
          ! -name "*_pb2.py" \
          ! -name "*_pb2_grpc.py" \
          ! -name "Dockerfile" \
          ! -name "Dockerfile.*" \
          ! -name "go.mod" \
          ! -name "go.sum" \
          ! -name "Makefile" \
          ! -name "Makefile.*" \
          ! -name "README" \
          ! -path "*/vendor/*" \
          ! -path "*conf*" \
          ! -path "*git*" \
          ! -path "*swagger*" \
          ! -path "*.drawio" \
          ! -name "*.pb.h" \
          ! -name "*.pb.cc" \
          ! -name "*/docs/*" \
          -print0 )

        exit ${fail_licensecheck}