name: labels
on:
  push:
    branches:
      - main
    paths:
      - .github/labels.yml
      - .github/workflows/labels.yml
  pull_request: # dry run only
    paths:
      - .github/labels.yml
      - .github/workflows/labels.yml

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  labeler:
    permissions:
      contents: read
      issues: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: crazy-max/ghaction-github-labeler@v5
        with:
          dry-run: ${{ github.event_name == 'pull_request' }}