macos.yaml

name: Mac OS
on:
  push:
    branches:
      - 'src'
    branches-ignore:
      - 'testing-closet*'
    paths-ignore:
      - '**.md'
      - 'README*'
  pull_request:
    branches-ignore:
      - '*'
    paths-ignore:
      - '**.md'
      - 'README*'
jobs:
  build_mac:
    name: build macos
    runs-on: macos-10.15
    timeout-minutes: 60
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true
    - name: Determine pre-existing Homebrew packages
      if: steps.dependency-cache.outputs.cache-hit != 'true'
      run: |
        echo 'EXISTING_CELLAR<<EOF' >> $GITHUB_ENV
        ls -1 /usr/local/Cellar >> $GITHUB_ENV
        echo 'EOF' >> $GITHUB_ENV
    - name: Cache dependencies
      id: dependency-cache
      uses: actions/cache@v2
      with:
        path: |
          ~/.pyenv
          ~/Library/Caches/pip
          ~/Library/Caches/pipenv
          /usr/local/Cellar
          ~/github_brew_cache_entries.txt
        key: macos-cache-${{ hashFiles('tools/mac_setup.sh') }}
    - name: Brew link restored dependencies
      if: steps.dependency-cache.outputs.cache-hit == 'true'
      run: |
        while read pkg; do
          brew link --force "$pkg" # `--force` for keg-only packages
        done < ~/github_brew_cache_entries.txt
    - name: Install dependencies
      run: ./tools/mac_setup.sh
    - name: Build openpilot
      run: eval "$(pyenv init -)" && scons -j$(nproc)
    - name: Remove pre-existing Homebrew packages for caching
      if: steps.dependency-cache.outputs.cache-hit != 'true'
      run: |
        cd /usr/local/Cellar
        new_cellar=$(ls -1)
        comm -12 <(echo "$EXISTING_CELLAR") <(echo "$new_cellar") | while read pkg; do
          if [[ $pkg != "zstd" ]]; then # caching step needs zstd
            rm -rf "$pkg"
          fi
        done
        comm -13 <(echo "$EXISTING_CELLAR") <(echo "$new_cellar") | tee ~/github_brew_cache_entries.txt