name: Copy labels from issue to pull request

on:
  pull_request_target:
    types: [opened, edited]

jobs:
  transfer_tags:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python 3.9
      uses: actions/setup-python@v2
      with:
        python-version: 3.9
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip setuptools
        pip install -r .github/workflows/label_transfer/requirements.txt
        pip freeze
    - name: Run Python label transfer script
      run: python .github/workflows/label_transfer/script.py ${{ github.event.number }}
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GITHUB_REPO: ${{ github.repository }}