airship/.github/workflows/checks.yml

name: Checks

run-name: "Checks · ${{ github.head_ref || github.ref_name }}"

# The PR gate. Mirrors `make preflight` locally, with one deliberate difference:
# typecheck and test are scoped with `turbo --affected` against the PR base,
# which locally there is no base to diff against.
#
# Drafts are skipped. `ready_for_review` is in the trigger list so marking a PR
# ready re-runs this rather than leaving it permanently unchecked.
on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened, ready_for_review]
  workflow_dispatch:

concurrency:
  group: checks-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check:
    if: github.event_name == 'workflow_dispatch' || github.event.pull_request.draft == false
    # Windows is a first-class target — the CLI installs from npm onto it — but
    # it went untested until a contributor reported that a fresh clone could not
    # build there at all. Three separate path/line-ending bugs had shipped
    # invisibly because every lane ran on Linux only. fail-fast is off so a
    # Windows-only break still reports the Linux result, and vice versa.
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v7
        with:
          # turbo --affected diffs against the PR base; it needs full history.
          fetch-depth: 0

      - uses: ./.github/actions/setup-workspace

      - name: Lint (Biome via Ultracite)
        run: pnpm lint

      # `shell: bash` on every multi-line block below: the default shell on
      # windows-latest is pwsh, which shares none of this syntax — no `[ -n … ]`,
      # no `if ! cmd`, and `${VAR}` is not env expansion. Git Bash ships on the
      # Windows runner, so pinning the shell is enough; nothing needs rewriting.
      - name: Typecheck + test (affected)
        shell: bash
        env:
          TURBO_SCM_BASE: ${{ github.event.pull_request.base.sha }}
        run: |
          if [ -n "${TURBO_SCM_BASE}" ]; then
            pnpm turbo run typecheck test --affected
          else
            pnpm turbo run typecheck test
          fi

      # Unconditional and unscoped, unlike the step above. `--affected` is what
      # let the Windows build bugs through: they lived in build scripts
      # (check-css.mjs, vendor-assets.mjs, the gen.mjs front-matter readers), and
      # a PR that touched none of the affected packages never ran them. This is
      # the step that actually proves a clean checkout builds on both platforms.
      - name: Build (every package)
        run: pnpm build

      # apps/cli/README.md is generated from the root README.md, and it is what
      # npmjs.com renders for @airshiplabs/cli. Committed rather than built on
      # demand so a clean checkout can publish without running the generator.
      #
      # Linux only, here and below: both of these check that a COMMITTED
      # generated file matches what the generator emits. That is a property of
      # the repo, not of the platform, so running it twice doubles the runtime
      # and the flake surface for no extra signal.
      - name: README is not stale
        if: matrix.os == 'ubuntu-latest'
        shell: bash
        run: |
          if ! node scripts/sync-readme.mjs --check; then
            echo "::error file=apps/cli/README.md::The CLI README is stale. Run 'make readme' and commit the result."
            exit 1
          fi

      # apps/web/src/routeTree.gen.ts is generated but committed, so it drifts.
      # Regenerated by BUILDING, not by `tsr generate`: two things write this
      # file and they disagree — the router CLI emits the tree alone, while the
      # Start Vite plugin appends the `declare module` block that registers the
      # router type for SSR. The build's output is the committed one. The build
      # step above already wrote it; this only reads the result.
      - name: Route tree is not stale
        if: matrix.os == 'ubuntu-latest'
        shell: bash
        run: |
          if ! git diff --quiet -- apps/web/src/routeTree.gen.ts; then
            git diff --stat -- apps/web/src/routeTree.gen.ts
            echo "::error file=apps/web/src/routeTree.gen.ts::The route tree is stale. Run 'make web:build' and commit the result."
            exit 1
          fi

      # Last, because it deletes what everything above produced. Every workspace
      # `clean` was `rm -rf` until this lane existed to catch it — a command that
      # does not exist on Windows, so `pnpm clean` failed in all eleven packages.
      - name: Clean (removes what the build produced)
        run: pnpm clean

  commitlint:
    if: github.event_name == 'pull_request' && github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - uses: ./.github/actions/setup-workspace

      # .husky/commit-msg runs the same rule, but a hook is only ever a
      # courtesy — `--no-verify` skips it. This is the copy that counts.
      - name: Conventional Commits
        run: |
          pnpm commitlint \
            --from "${{ github.event.pull_request.base.sha }}" \
            --to "${{ github.event.pull_request.head.sha }}" \
            --verbose