CyberChef/.github/workflows/cla-label.yml at master · gchq/CyberChef · GitHub

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name: CLA Label Sync

on:
  issue_comment:
    types: [created, edited]
  pull_request_target:
    types: [opened, synchronize, reopened]

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

jobs:
  sync-label:
    # Only run for PRs (issue_comment fires for issues too)
    if: >-
      github.event_name == 'pull_request_target' ||
      (github.event.issue.pull_request != null)
    runs-on: ubuntu-latest
    steps:
      - name: Sync "awaiting cla" label
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 #v9.0.0
        env:
          AWAITING_LABEL: 'awaiting cla'
          # Bot login that posts the CLA comment. Common values:
          #   'github-actions[bot]', 'CLAassistant', 'cla-assistant[bot]'
          CLA_BOT_LOGINS: 'CLAassistant'
          # Regex (case-insensitive) that matches an UNSIGNED CLA comment
          NOT_SIGNED_REGEX: 'cla-assistant.io/pull/badge/not_signed'
          # Regex (case-insensitive) that matches a SIGNED CLA comment
          SIGNED_REGEX: 'cla-assistant.io/pull/badge/signed'
        with:
          script: |
            const awaitingLabel = process.env.AWAITING_LABEL;
            const botLogins = process.env.CLA_BOT_LOGINS.split(',').map(s => s.trim().toLowerCase());
            const notSigned = new RegExp(process.env.NOT_SIGNED_REGEX, 'i');
            const signed = new RegExp(process.env.SIGNED_REGEX, 'i');

            // Resolve PR number for either trigger
            const prNumber = context.eventName === 'pull_request_target'
              ? context.payload.pull_request.number
              : context.payload.issue.number;

            const { owner, repo } = context.repo;

            // Pull the full comment history to find the latest CLA bot comment
            const comments = await github.paginate(github.rest.issues.listComments, {
              owner, repo, issue_number: prNumber, per_page: 100,
            });

            const claComments = comments.filter(c =>
              botLogins.includes((c.user?.login || '').toLowerCase()) &&
              (notSigned.test(c.body) || signed.test(c.body))
            );

            if (claComments.length === 0) {
              core.info('No CLA Assistant comment found yet; nothing to do.');
              return;
            }

            const latest = claComments[claComments.length - 1];
            const isSigned = signed.test(latest.body) && !notSigned.test(latest.body);

            core.info(`Latest CLA comment (id ${latest.id}) => signed=${isSigned}`);

            // Current labels
            const { data: issue } = await github.rest.issues.get({
              owner, repo, issue_number: prNumber,
            });
            const hasLabel = issue.labels.some(l =>
              (typeof l === 'string' ? l : l.name) === awaitingLabel
            );

            if (isSigned && hasLabel) {
              await github.rest.issues.removeLabel({
                owner, repo, issue_number: prNumber, name: awaitingLabel,
              }).catch(e => core.warning(`removeLabel failed: ${e.message}`));
              core.info(`Removed "${awaitingLabel}".`);
            } else if (!isSigned && !hasLabel) {
              await github.rest.issues.addLabels({
                owner, repo, issue_number: prNumber, labels: [awaitingLabel],
              });
              core.info(`Added "${awaitingLabel}".`);
            } else {
              core.info('Label already in the correct state.');
            }