pr_labels.yml

name: "pr_labels"

on:
  pull_request_target:
    types:
      - opened
      - labeled
      - unlabeled
      - synchronize
      - reopened

jobs:
  Check_Blocking_Labels:
    runs-on: ubuntu-latest
    permissions: write-all
    steps:
      - uses: actions/github-script@v6
        with:
          script: |
            const response = await github.rest.issues.listLabelsOnIssue({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: context.issue.number,
            });

            for (const idx in response.data)
            {
                const entry = response.data[idx];
                if (entry.name === "hold" || entry.name === "squash")
                {
                    console.log("Found PR-blocking label: " + entry.name)
                    core.setFailed("Found PR-blocking label: " + entry.name)
                }
            }