corpus.yml

name: Check For Integration Test Corpus Updates
on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * *"

jobs:
  Check-Upstream:
    defaults:
      run:
        shell: bash
    runs-on: ubuntu-latest
    if: github.repository == 'cedar-policy/cedar-go'
    permissions:
      issues: write

    steps:
      - uses: actions/checkout@v4

      - name: Download Upstream Corpus
        run: curl -L -o /tmp/corpus-tests.tar.gz https://raw.githubusercontent.com/cedar-policy/cedar-integration-tests/main/corpus-tests.tar.gz

      # cmp returns status code 1 if the files differ
      - name: Compare
        id: compare
        run: cmp /tmp/corpus-tests.tar.gz corpus-tests.tar.gz

      - name: Notify on Failure
        if: failure() && steps.compare.outcome == 'failure'
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            // Get a list of all open issues labeled with 'upstream-corpus-test'. The documentation for
            // listForRepo states that it should only return open issues.
            const issues = await github.paginate(github.rest.issues.listForRepo, {
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: 'upstream-corpus-test'
            })
            .then((issues) => {
              console.log(`Found ${issues.length} open issues`)
              // If one doesn't exist, create it
              if (issues.length === 0) {
                github.rest.issues.create({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  title: 'Upstream Integration Test Corpus Modified',
                  body: 'The upstream integration test corpus at https://raw.githubusercontent.com/cedar-policy/cedar-integration-tests/main/corpus-tests.tar.gz has been updated. Please integrate the changes into the local copy.',
                  assignees: ['jmccarthy', 'philhassey', 'patjakdev'],
                  labels: ['upstream-corpus-test']
                })
              }
            });