name: Lint

on:
  pull_request:
  merge_group:
  push:
    branches:
      - main

concurrency:
  # Cancel existing builds for the same PR.
  # Otherwise, all other builds will be allowed to run through.
  group: lint.yml-${{ github.event.pull_request.number || github.run_id }}
  cancel-in-progress: true

jobs:
  lint:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v6
        with:
          show-progress: false
      - name: Setup Runner
        uses: ./.github/actions/setup-runner
        with:
          GOOGLESOURCE_COOKIE: ${{ secrets.GOOGLESOURCE_COOKIE }}
      - name: Configure git hooks
        # Configure git to quell an irrelevant warning for runners (they never commit / push).
        run: git config core.hooksPath githooks
      - name: Lint
        run: |
          bazel info output_base # Ensure bazel is initialized before proceeding
          python3 ./tools/cross/format.py --check