name: Validate Pull Request
on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - labeled
      - unlabeled

jobs:
  required-labels-missing:
    name: required labels missing
    runs-on: ubuntu-latest
    steps:
      - name: check
        if: >-
          !contains(github.event.pull_request.labels.*.name, '💥 breaking-change')
          && !contains(github.event.pull_request.labels.*.name, '✨ enhancement')
          && !contains(github.event.pull_request.labels.*.name, '🐞 bug')
          && !contains(github.event.pull_request.labels.*.name, '📖 docs')
          && !contains(github.event.pull_request.labels.*.name, 'chore')
          && !contains(github.event.pull_request.labels.*.name, '🛠️ dependencies')
        run: >-
          echo One of the following labels is missing on this PR:
          breaking-change
          enhancement
          bug
          docs
          chore
          && exit 1