semantic-pr-label.yml

name: Semantic PR Label
run-name: Validate PR Label ${{ github.sha }} by @${{ github.actor }}

on:
  pull_request:
    types: [opened, edited, synchronize, reopened, labeled, unlabeled]

permissions:
  pull-requests: read

jobs:
  main:
    name: Semantic PR Label
    runs-on: ubuntu-latest
    steps:
      - name: Check for Required Labels
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const requiredLabels = ["none", "patch", "minor", "major"];
            const { data: labels } = await github.rest.issues.listLabelsOnIssue({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });

            const hasRequiredLabel = labels.some(label => requiredLabels.includes(label.name));

            if (!hasRequiredLabel) {
              core.setFailed(`PR must have one of the following labels: ${requiredLabels.join(", ")}`);
            } else {
              console.log(`PR has a valid label.`);
            }