issue-regression-labeler.yml

# Apply potential regression label on issues
name: issue-regression-label
on:
  issues:
    types: [opened, edited]
jobs:
  add-regression-label:
    if: github.repository == 'aws/aws-sdk-java-v2'
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
    - name: Fetch template body
      id: check_regression
      uses: actions/github-script@v8
      env: 
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        TEMPLATE_BODY: ${{ github.event.issue.body }}
      with:
        script: |
          const regressionPattern = /\[x\] Select this option if this issue appears to be a regression\./i;
          const template = `${process.env.TEMPLATE_BODY}`
          const match = regressionPattern.test(template);
          core.setOutput('is_regression', match);
    - name: Manage regression label
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        if [ "${{ steps.check_regression.outputs.is_regression }}" == "true" ]; then
          gh issue edit ${{ github.event.issue.number }} --add-label "potential-regression" -R ${{ github.repository }}
        else
          gh issue edit ${{ github.event.issue.number }} --remove-label "potential-regression" -R ${{ github.repository }}
        fi
    - name: Notify Slack
      if: steps.check_regression.outputs.is_regression == 'true' && github.event.action == 'opened'
      run: |
        curl -sfS -X POST "$SLACK_WEBHOOK_URL" \
          -H 'Content-type: application/json' \
          --data "$(jq -n \
            --arg text "🚨 Potential regression reported: <$ISSUE_URL|#$ISSUE_NUM: $ISSUE_TITLE>" \
            '{text: $text}')"
      env:
        SLACK_WEBHOOK_URL: ${{ secrets.CI_SLACK_WEBHOOK_URL }}
        ISSUE_URL: ${{ github.event.issue.html_url }}
        ISSUE_NUM: ${{ github.event.issue.number }}
        ISSUE_TITLE: ${{ github.event.issue.title }}