name: PR labels

on:
  pull_request_target:
    branches: [main]
    types: [opened, edited, reopened, synchronize]
  schedule:
    - cron: '45 * * * *'
  workflow_dispatch:

permissions: {}

concurrency:
  group: pr-labels-${{ github.event.pull_request.number || 'all' }}

jobs:
  labels:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: read
      pull-requests: write
      issues: write
    steps:
      - uses: actions/checkout@v7
      - env:
          GH_TOKEN: ${{ github.token }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          if [ -n "$PR_NUMBER" ]; then
            python3 -I tools/pr_labels.py --pr "$PR_NUMBER"
          else
            python3 -I tools/pr_labels.py --all
          fi