name: doxygen

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  CMAKE_GENERATOR: Ninja

permissions:
  contents: read

jobs:
  build-and-deploy:
    name: Build HTML documentation
    runs-on: ubuntu-latest
    steps:
    - name: Fetching sources
      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
      with:
        persist-credentials: false

    - name: Installing build dependencies
      run: |
        sudo apt update
        sudo apt install doxygen gcc git

    - name: Creating build directory
      run: mkdir build

    - name: Building HTML documentation with Doxygen
      run: |
        cmake -S . -B build -DBENCHMARK_ENABLE_TESTING:BOOL=OFF -DBENCHMARK_ENABLE_DOXYGEN:BOOL=ON -DBENCHMARK_INSTALL_DOCS:BOOL=ON
        cmake --build build --target benchmark_doxygen