name: Check header guards

on:
  push:
    branches: [devel]
  pull_request:

permissions:
  contents: read

jobs:
  build:
    # Set the type of machine to run on
    runs-on: ubuntu-26.04
    steps:

      - name: Checkout source code
        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
        with:
          persist-credentials: false

      - name: Setup Dependencies
        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
            python-version: '3.12'

      # Every header is guarded with #pragma once, as the Progmasoft C++ Style
      # asks; the amalgamation script relies on it.
      - name: Check that every header starts its guard with pragma once
        run: |
          wrong_files=$(grep -rL --include='*.hpp' '^#pragma once' src/Progmasoft || true)
          if [[ $wrong_files ]]; then
            echo "Headers without #pragma once:"
            echo $wrong_files
            exit 1
          fi

      - name: Check that there are no duplicated filenames
        run: |
          ./tools/scripts/checkDuplicateFilenames.py

      - name: Check that all source files have the correct license header
        run: |
          ./tools/scripts/checkLicense.py

      # third_party/ must be the pinned release archives, byte for byte.
      - name: Check that third_party matches its pinned archives
        run: |
          ./tools/scripts/updateThirdParty.py --check