allwpilib/.github/workflows/pregenerate.yml

name: Check Pregenerated Files

on:
  pull_request:
  push:
    branches-ignore:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  update:
    name: "Update"
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - name: Fetch all history and metadata
        run: |
          git fetch --prune --unshallow
          git checkout -b pr
          git branch -f main origin/main
      - name: Set up Python 3.9
        uses: actions/setup-python@v4
        with:
          python-version: 3.9
      - name: Install jinja
        run: python -m pip install jinja2
      - name: Run hal
        run: ./hal/generate_usage_reporting.py
      - name: Run ntcore
        run: ./ntcore/generate_topics.py
      - name: Run wpimath
        run: ./wpimath/generate_numbers.py
      - name: Add untracked files to index so they count as changes
        run: git add -A
      - name: Check output
        run: git --no-pager diff --exit-code HEAD
      - name: Generate diff
        run: git diff HEAD > pregenerated-files-fixes.patch
        if: ${{ failure() }}
      - uses: actions/upload-artifact@v3
        with:
          name: pregenerated-files-fixes
          path: pregenerated-files-fixes.patch
        if: ${{ failure() }}