name: Reusable Ubuntu

on:
  workflow_call:
    inputs:
      config_hash:
        required: true
        type: string
      free-threading:
        description: Whether to use free-threaded mode
        required: false
        type: boolean
        default: false

jobs:
  build_ubuntu_reusable:
    name: 'build and test'
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04]
    env:
      FORCE_COLOR: 1
      OPENSSL_VER: 3.0.15
      PYTHONSTRICTEXTENSIONBUILD: 1
      TERM: linux
    steps:
    - uses: actions/checkout@v4
    - name: Register gcc problem matcher
      run: echo "::add-matcher::.github/problem-matchers/gcc.json"
    - name: Install dependencies
      run: sudo ./.github/workflows/posix-deps-apt.sh
    - name: Configure OpenSSL env vars
      run: |
        echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
        echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> "$GITHUB_ENV"
        echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> "$GITHUB_ENV"
    - name: 'Restore OpenSSL build'
      id: cache-openssl
      uses: actions/cache@v4
      with:
        path: ./multissl/openssl/${{ env.OPENSSL_VER }}
        key: ${{ matrix.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
    - name: Install OpenSSL
      if: steps.cache-openssl.outputs.cache-hit != 'true'
      run: python3 Tools/ssl/multissltests.py --steps=library --base-directory "$MULTISSL_DIR" --openssl "$OPENSSL_VER" --system Linux
    - name: Add ccache to PATH
      run: |
        echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
    - name: Configure ccache action
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        save: ${{ github.event_name == 'push' }}
        max-size: "200M"
    - name: Setup directory envs for out-of-tree builds
      run: |
        echo "CPYTHON_RO_SRCDIR=$(realpath -m "${GITHUB_WORKSPACE}"/../cpython-ro-srcdir)" >> "$GITHUB_ENV"
        echo "CPYTHON_BUILDDIR=$(realpath -m "${GITHUB_WORKSPACE}"/../cpython-builddir)" >> "$GITHUB_ENV"
    - name: Create directories for read-only out-of-tree builds
      run: mkdir -p "$CPYTHON_RO_SRCDIR" "$CPYTHON_BUILDDIR"
    - name: Bind mount sources read-only
      run: sudo mount --bind -o ro "$GITHUB_WORKSPACE" "$CPYTHON_RO_SRCDIR"
    - name: Runner image version
      run: echo "IMAGE_VERSION=${ImageVersion}" >> "$GITHUB_ENV"
    - name: Restore config.cache
      uses: actions/cache@v4
      with:
        path: ${{ env.CPYTHON_BUILDDIR }}/config.cache
        key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
    - name: Configure CPython out-of-tree
      working-directory: ${{ env.CPYTHON_BUILDDIR }}
      run: >-
        ../cpython-ro-srcdir/configure
        --config-cache
        --with-pydebug
        --enable-slower-safety
        --enable-safety
        --with-openssl="$OPENSSL_DIR"
        ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
    - name: Build CPython out-of-tree
      if: ${{ inputs.free-threading }}
      working-directory: ${{ env.CPYTHON_BUILDDIR }}
      run: make -j4
    - name: Build CPython out-of-tree (for compiler warning check)
      if: ${{ !inputs.free-threading}}
      working-directory: ${{ env.CPYTHON_BUILDDIR }}
      run: set -o pipefail; make -j4 --output-sync 2>&1 | tee compiler_output_ubuntu.txt
    - name: Display build info
      working-directory: ${{ env.CPYTHON_BUILDDIR }}
      run: make pythoninfo
    - name: Check compiler warnings
      if: ${{ !inputs.free-threading }}
      run: >-
        python Tools/build/check_warnings.py
        --compiler-output-file-path=${{ env.CPYTHON_BUILDDIR }}/compiler_output_ubuntu.txt
        --warning-ignore-file-path "${GITHUB_WORKSPACE}/Tools/build/.warningignore_ubuntu"
        --compiler-output-type=gcc
        --fail-on-regression
        --fail-on-improvement
        --path-prefix="../cpython-ro-srcdir/"
    - name: Remount sources writable for tests
      # some tests write to srcdir, lack of pyc files slows down testing
      run: sudo mount "$CPYTHON_RO_SRCDIR" -oremount,rw
    - name: Tests
      working-directory: ${{ env.CPYTHON_BUILDDIR }}
      run: xvfb-run make ci