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path: root/.github/workflows/labels.yml
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name: Labels

on:
  pull_request_target:
    types: [ edited, opened, reopened, ready_for_review ]
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  pull-requests: write

jobs:
  no_ticket:
    # Only trigger on the main Django repository
    if: github.repository == 'django/django'
    name: "Flag if no Trac ticket is found in the title"
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: "Check title and manage labels"
        uses: actions/github-script@v8
        with:
          script: |
            const title = context.payload.pull_request.title;
            const regex = /#[0-9]+[ ,:]?/gm;
            const label = "no ticket";
            const hasMatch = regex.test(title);
            const labels = context.payload.pull_request.labels.map(l => l.name);
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const pr_number = context.payload.pull_request.number;
            console.log(`=> Pull Request Title: ${title}`);
            console.log(`=> Labels on PR: [${labels}]`);
            if (hasMatch && labels.includes(label)) {
              console.log(`==> Removing label "${label}" from PR #${pr_number}`);
              await github.rest.issues.removeLabel({
                owner,
                repo,
                issue_number: pr_number,
                name: label
              });
            } else if (!hasMatch && !labels.includes(label)) {
              console.log(`==> Adding label "${label}" to PR #${pr_number}`);
              await github.rest.issues.addLabels({
                owner,
                repo,
                issue_number: pr_number,
                labels: [label]
              });
            } else {
              console.log(`No action needed for PR #${pr_number}`);
            }