name: Setup native test build
description: >-
  Minimal toolchain for the native test suites. Separate from setup-native, which is shared with
  the firmware matrix and is not the place to trim things only the test path can spare.

runs:
  using: composite
  steps:
    # No checkout: the caller must already have one to reference this action at all.
    - name: Setup Python
      uses: actions/setup-python@v7
      with:
        python-version: 3.x
        cache: pip
        cache-dependency-path: |
          .github/actions/**
          **.ini

    - name: Install build and test dependencies
      shell: bash
      # C libraries are the full setup-native list: they are real link deps of the portduino HAL,
      # the web server and the config parser. cppcheck is check_tool for `pio check`, not `pio test`.
      run: |
        set -euo pipefail
        sudo apt-get -y update --fix-missing
        sudo apt-get install -y ccache lcov \
          libbluetooth-dev libgpiod-dev libyaml-cpp-dev libjsoncpp-dev openssl libssl-dev \
          libulfius-dev liborcania-dev libusb-1.0-0-dev libi2c-dev libuv1-dev libcurl4-gnutls-dev

    - name: Install PlatformIO
      shell: bash
      # No adafruit-nrfutil (nRF52 DFU), poetry, or meshtastic (the client, needed only by the
      # simulator job), and no `pio upgrade` right after installing the current release.
      run: |
        set -euo pipefail
        python -m pip install --upgrade pip
        pip install -U --no-build-isolation --no-cache-dir "setuptools<72"
        pip install -U platformio --no-build-isolation

    - name: Configure ccache
      shell: bash
      # /usr/lib/ccache holds compiler-named symlinks, so PATH is the whole wiring. time_macros:
      # ccache otherwise refuses any TU mentioning __DATE__/__TIME__, which BUILD_EPOCH disables.
      run: |
        set -euo pipefail
        echo "/usr/lib/ccache" >> "$GITHUB_PATH"
        {
          echo "CCACHE_DIR=$HOME/.ccache"
          echo "CCACHE_COMPRESS=1"
          echo "CCACHE_MAXSIZE=400M"
          echo "CCACHE_SLOPPINESS=time_macros"
        } >> "$GITHUB_ENV"