build-validation.yml

name: Strict Build Validation

on:
  pull_request_target:
    types: [opened, ready_for_review]

jobs:
  validate:
    # Prevent running this on forks
    if: github.repository_owner == 'flybywiresim'
    runs-on: ubuntu-latest
    steps:
      - name: Get PR SHA
        id: sha
        uses: actions/github-script@v5
        with:
          result-encoding: string
          script: |
            const { owner, repo, number } = context.issue;
            const pr = await github.rest.pulls.get({
              owner,
              repo,
              pull_number: number,
            });
            return pr.data.head.sha
      - uses: actions/checkout@v2
        with:
          ref: ${{ steps.sha.outputs.result }}
          fetch-depth: 0
      - name: Make Build
        uses: actions/setup-python@v2
        with:
          python-version: 3.x
      - run: |
          pip install -r requirements.txt
          mkdocs build -s
      - name: Message failure
        if: ${{ failure() }}
        uses: actions/github-script@v5
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: 'Strict Build Failed! ❌ - Please checkout this PR locally to fix the issue before merging or see checks.',
            });