lock-closed.yml

name: Lock closed issues

on:
  schedule:
    - cron: "0 14 * * *"
  workflow_dispatch:

permissions:
  issues: write

jobs:
  lock:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v9
        with:
          script: |
            const THIRTY_DAYS = 30 * 24 * 60 * 60 * 1000;
            const cutoff = Date.now() - THIRTY_DAYS;
            const issues = await github.paginate(github.rest.issues.listForRepo, {
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: "closed",
              sort: "updated",
              direction: "asc",
              per_page: 100,
            });
            let locked = 0;
            for (const issue of issues) {
              if (issue.pull_request) continue; // skip PRs
              if (issue.locked) continue;
              if (new Date(issue.updated_at).getTime() < cutoff) {
                await github.rest.issues.lock({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issue.number,
                  lock_reason: "resolved",
                });
                console.log(`Locked #${issue.number}`);
                locked++;
              }
            }
            console.log(`Done. Locked ${locked} issue(s).`);