check-linked-issues.yml

name: Check linked issues

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

jobs:
  check-pr-issue:
    name: Check Pull Request is linked to an issue
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'dependencies') }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
    steps:
      - name: Check for linked issues
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
        run: |
          # Get PR details including linked issues
          LINKED_ISSUES=$(gh pr view $PR_NUMBER --repo $REPO --json closingIssuesReferences --jq '.closingIssuesReferences | length')
          
          if [ "$LINKED_ISSUES" -eq 0 ]; then
            echo "::error::No linked issues found. Please link at least one issue to this Pull Request."
            echo "You can link an issue by using keywords like 'Fixes #123', 'Closes #123', or 'Resolves #123' in the PR description."
            exit 1
          else
            echo "✓ Found $LINKED_ISSUES linked issue(s)"
          fi