pr-base-enforcement.yml

name: Prevent PRs targetting master

on:
  pull_request:
    branches:
      - master

jobs:
  prevent-pr-targetting-master:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
      - name: Post comment to update base branch
        run: gh pr comment ${{ github.event.pull_request.number }} --body "⚠️ Pull requests targetting the \`master\` branch are not allowed. Please update the base branch to \`next\`."
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Close PR
        run: gh pr close ${{ github.event.pull_request.number }} --repo ${{ github.repository }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}