release.yml

name: Release Actions

on:
  release:
    types: [published]

jobs:
  upload-release-assets:
    runs-on: ubuntu-latest
    steps:
    - name: Translate Repo Name For Build Tools filename_prefix
      id: repo-name
      env:
        REPO: ${{ github.repository }}
      run: |
        echo "repo-name=$(echo "$REPO" | awk -F '/' '{ print tolower($2) }' | tr '_' '-')" >> "$GITHUB_OUTPUT"
    - name: Set up Python 3
      uses: actions/setup-python@v6
      with:
        python-version: 3.x
    - name: Versions
      run: |
        python3 --version
    - uses: actions/checkout@v6
      with:
        submodules: true
    - name: Fetch correct submodule shas
      run: git submodule foreach 'git fetch --tags --depth 1 origin $sha1 && git checkout -q $sha1'
    - name: Install deps
      run: |
        sudo apt-get install -y gettext gawk
        pip install -r requirements.txt
    - name: Build assets
      env:
        # Passed as environment, not spliced into the script by the expression.
        FILENAME_PREFIX: ${{ steps.repo-name.outputs.repo-name }}
      run: |
        # Computed in the step that consumes it. Going via $GITHUB_OUTPUT and an
        # expression would put a directory name into the next step as script text:
        # a newline in it writes extra variables to $GITHUB_OUTPUT, and a quote or
        # backtick escapes whatever quoting that step uses. Held in a shell
        # variable it stays exactly one argument.
        prefix=$(
        ls -RUx |
        gawk -F '\n' '{ match($1, /(drivers|helpers)\/(.+)\/(.+)\:/, arr) ; if (length(arr[0]) > 0 && match(arr[3], arr[2]) > 0) printf "%s, ", arr[3] }' |
        gawk '{ print substr($0, 1, length($0) - 2) }'
        )
        # An empty list is never correct: build-tools splits on ", " and matches
        # with startswith(), and "".startswith("") is True, so an empty prefix
        # would silently make every folder -- docs/, tests/, ci/ -- a package.
        if [ -z "$prefix" ]; then
          echo "::error::no package folders matched under libraries/; refusing to build an empty bundle"
          exit 1
        fi
        circuitpython-build-bundles --filename_prefix "$FILENAME_PREFIX" --library_location libraries --library_depth 2 --package_folder_prefix "$prefix"
    - name: Upload Release Assets
      uses: shogo82148/actions-upload-release-asset@v1
      with:
        asset_path: "bundles/*"
        github_token: ${{ secrets.GITHUB_TOKEN }}
        upload_url: ${{ github.event.release.upload_url }}