close-empty-prs.yml

name: Close Empty PRs

on:
  schedule:
    - cron: '0 */6 * * *'  # Runs every 6 hours

jobs:
  close-empty-prs:
    runs-on: ubuntu-24.04
    permissions:
      pull-requests: write

    steps:
      - name: Check and close empty PRs
        uses: actions/github-script@v7
        with:
          script: |
            const prs = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open'
            });

            for (const pr of prs.data) {
              const files = await github.rest.pulls.listFiles({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: pr.number
              });

              if (files.data.length === 0) {
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: pr.number,
                  body: 'This PR is being closed automatically because it contains no changes.'
                });

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