action.yml

name: "Install Python and Poetry"
author: "Marcel Arns"
description: "Set up a specific version of Poetry with specific version of Python and install dependencies"
inputs:
  poetry_version:
    description: "Poetry version to install"
    required: true
    default: "1.1.12"
  python_version:
    description: "Python version to use"
    required: true
    default: "3.10.0"
  ssh_key:
    description: "SSH key to use to clone private repositories"
    required: false

outputs:
  python-version:
    description: "Python version"
    value: ${{ inputs.python_version }}

runs:
  using: "composite"
  steps:
    - uses: actions/setup-python@v2
      with:
        python-version: ${{ inputs.python_version }}

    - name: Install and configure Poetry
      shell: bash
      run: |
        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python - --yes --version=${{ inputs.poetry_version }}
        echo "$HOME/.poetry/bin" >> $GITHUB_PATH

    - name: Restore virtualenv from Poetry cache
      uses: actions/cache@v2
      id: poetry-cache
      with:
        path: ~/.cache/pypoetry/virtualenvs
        key: poetry-${{ inputs.python_version }}-${{ hashFiles('**/poetry.lock') }}

    - name: Create virtualenv and install dependencies
      if: steps.poetry-cache.outputs.cache-hit != 'true'
      shell: bash
      run: |
        if [ ! -z ${{ inputs.ssh_key }} ]; then
            eval "$(ssh-agent -s)"
            bash -c 'ssh-add - <<< "${{ inputs.ssh_key }}"'
        fi

        poetry install