name: "Lint PR"

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

# IMPORTANT: No checkout actions, scripts, or builds should be added to this workflow. Permissions should always be used
# with extreme caution. https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
permissions: {}

# PR updates can happen in quick succession leading to this
# workflow being trigger a number of times. This limits it
# to one run per PR.
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

jobs:
  validate:
    permissions:
      contents: read
      pull-requests: read
    name: Validate PR Title
    runs-on: ubuntu-latest
    steps:
      - uses: thehanimo/pr-title-checker@7fbfe05602bdd86f926d3fb3bccb6f3aed43bc70 # v1.4.3
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          configuration_path: ".github/pr-title-checker-config.json"
