severity-label-changes.yml

name: Detect and Validate Severity Label ChangesAdd commentMore actions

on:
  issues:
    types:
      - unlabeled
permissions:
  issues: write  # Ensure the GITHUB_TOKEN has write permissions for issues

jobs:
  label_change_bot:
    runs-on: ubuntu-latest

    steps:
      # Step 1: Set environment variable for label name
      - name: Set environment variable for label name
        run: echo "GITHUB_EVENT_LABEL_NAME=${{ github.event.label.name }}" >> $GITHUB_ENV

      # Step 2: Check if the label is a severity label
      - name: Check if label is a severity label
        id: check_label
        run: |
          # List of severity labels
          SEVERITY_LABELS=("Severity-1" "Severity-2" "Severity-3" "Severity-4")
          
          # Check if the label is one of the severity labels
          if [[ " ${SEVERITY_LABELS[*]} " =~ " ${GITHUB_EVENT_LABEL_NAME} " ]]; then
            echo "is_severity=true" >> $GITHUB_ENV
          else
            echo "is_severity=false" >> $GITHUB_ENV
          fi

      # Step 3: Validate Severity Labels After Removal
      - name: Validate Severity Labels After Removal
        if: ${{ github.event.action == 'unlabeled' }}
        run: |
          # List of severity labels
          SEVERITY_LABELS=("Severity-1" "Severity-2" "Severity-3" "Severity-4")

          # Get all labels currently on the issue
          LABELS=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github+json" \
            "${{ github.event.issue.url }}/labels?per_page=100" | jq -r '.[].name')
          no_severity=true
          # Check if at least one severity label exists after the removal
          for label in "${SEVERITY_LABELS[@]}"; do
            if echo "$LABELS" | grep -q "^$label$"; then
              no_severity=false
              break
            fi
          done
          echo "no_severity=$no_severity" >> $GITHUB_ENV

      # Step 4: Tag the actor if No Severity Label Found
      - name: Tag the actor if No Severity Label Found
        if: env.no_severity == 'true' 
        run: |
          
          # Specify the user to be tagged
          USER_TO_TAG="@github/hcl-lead"

          # Add a comment tagging the actor
          curl -X POST \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "{\"body\": \"${USER_TO_TAG}, there is no severity label on this issue. Please add one to ensure proper tracking.\n\n \"}" \
            "${{ github.event.issue.url }}/comments"

      # Step 5: Tag @github/hcl-lead if Severity Label is Changed
      - name: Tag @github/hcl-lead  if Severity Label is Changed
        if: env.no_severity == 'false' && env.is_severity == 'true'
        run: |
          # Specify the user to be tagged
          USER_TO_TAG="@github/hcl-lead"
          
          # Add a comment tagging the user
          curl -X POST \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "{\"body\": \"@${{ github.actor }} The severity label has been updated. Please update the same in the project board.\n\n FYI ${USER_TO_TAG}.\"}" \
            "${{ github.event.issue.url }}/comments"