auto-label.yml

#
# auto-label.yml
# - Find all open issues without a label and a title containing "[BUG]".
# - Apply the label "Bug: Potential ?" to these issues.
#

on:
  schedule:
  - cron: "30 8 * * *"

jobs:
  autolabel:
    name: Auto Label
    if: github.repository == 'MarlinFirmware/Marlin'
    runs-on: ubuntu-latest
    steps:
    - name: Auto Label for [BUG]
      uses: actions/github-script@v5
      with:
        script: |
          # Get all open issues in this repository
          const issueList = await github.rest.issues.listForRepo({
            owner: context.repo.owner,
            repo: context.repo.repo,
            state: 'open'
          });
          # Filter the list of issues to only those that don't have any labels
          # and have a title that contains '[BUG]'. Only the first 50 issues.
          const matchingIssues = issueList.data.filter(
            issue => issue.title.includes('[BUG]') && issue.labels.length === 0
          );
          # Process the first 50
          for (const issue of matchingIssues.slice(0, 50)) {
            // Run the desired action on the issue
            // For example, to add a label:
            await github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: issue.number,
              labels: ['Bug: Potential ?']
            });
          }