BlockNewPullRequests.yml

name: Block New Pull Requests

on:
  pull_request_target:
    types: [opened]
    branches: [main]

permissions:
  contents: read
  issues: write
  pull-requests: write

jobs:
  block-new-prs:
    if: github.repository_owner == 'microsoft' && github.event.pull_request.state == 'open'
    runs-on: ubuntu-latest
    steps:
      - name: Check PR creation date
        id: check
        shell: bash
        run: |
          created_at="${{ github.event.pull_request.created_at }}"
          cutoff="2026-05-05T00:00:00Z"

          if [[ "$created_at" > "$cutoff" ]]; then
            echo "block=true" >> "$GITHUB_OUTPUT"
          else
            echo "block=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Comment and close PR
        if: steps.check.outputs.block == 'true'
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const message = [
              '👋 Thanks for your contribution!',
              '',
              'ALAppExtensions no longer accepts new pull requests.',
              '',
              'Extensibility requests, such as event requests and requests to make functions external, are still accepted as issues using the extensibility request template.',
              '',
              'We appreciate your understanding and look forward to continuing extensibility collaboration here 🙌'
            ].join('\n');

            await github.rest.issues.createComment({
              ...context.repo,
              issue_number: context.issue.number,
              body: message
            });

            await github.rest.pulls.update({
              ...context.repo,
              pull_number: context.issue.number,
              state: 'closed'
            });