name: Verify Generated Hook Headers

on:
  push:
  pull_request:

jobs:
  verify-generated-headers:
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: hook/error.h
            generator: ./hook/generate_error.sh
          - target: hook/extern.h
            generator: ./hook/generate_extern.sh
          - target: hook/sfcodes.h
            generator: bash ./hook/generate_sfcodes.sh
          - target: hook/tts.h
            generator: ./hook/generate_tts.sh
    runs-on: ubuntu-22.04
    env:
      CLANG_VERSION: 10
    name: ${{ matrix.target }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Download and install clang-format
        run: |
          sudo apt-get update -y
          sudo apt-get install -y libtinfo5
          curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.1/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
          tar -xf clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
          sudo mv clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04 /opt/clang-10
          sudo ln -s /opt/clang-10/bin/clang-format /usr/local/bin/clang-format-10

      - name: Verify ${{ matrix.target }}
        run: |
          set -euo pipefail
          chmod +x hook/generate_*.sh || true

          tmp=$(mktemp)
          trap 'rm -f "$tmp"' EXIT

          ${{ matrix.generator }} > "$tmp"
          diff -u ${{ matrix.target }} "$tmp"