name: "Label PR"

on:
  pull_request_target:
    types: [edited, opened, synchronize, reopened]

# WARNING:
# When extending this action, be aware that $GITHUB_TOKEN allows some write
# access to the GitHub API. This means that it should not evaluate user input in
# a way that allows code injection.

permissions:
  contents: read
  pull-requests: write

jobs:
  labels:
    runs-on: ubuntu-latest
    if: "github.repository_owner == 'NixOS' && !contains(github.event.pull_request.title, '[skip treewide]')"
    steps:
    - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5.0.0
      with:
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        sync-labels: true
