name: 'PR Triage'
on:
  pull_request_target:
    types:
      - opened
      - edited
      - reopened
      - synchronize
jobs:
  label:
    name: Label
    if: github.event.action != 'edited'
    runs-on: ubuntu-latest
    steps:
      - name: Label pull request
        uses: actions/labeler@v5
        with:
          repo-token: '${{ secrets.GITHUB_TOKEN }}'
          sync-labels: true
  validate-title:
    name: Validate title
    if: github.event.action != 'synchronize'
    runs-on: ubuntu-latest
    steps:
      - name: Validate pull request title
        env:
          TITLE: ${{ github.event.pull_request.title }}
        run: |
          REGEX="^(revert: )?(feat|fix|docs|style|refactor|perf|test|build|ci|chore|types)(\\(.+\\))?: .{1,72}$"

          echo "Title: \"$TITLE\""

          if [[ ! "$TITLE" =~ $REGEX ]]; then
            exit 1
          fi