name: validate
on:
  push:
    tags:
      - v*
    branches:
      - master
  pull_request:

jobs:

  commit:
    runs-on: ubuntu-24.04
    # Only check commits on pull requests.
    if: github.event_name == 'pull_request'
    steps:
      - name: get pr commits
        id: 'get-pr-commits'
        uses: tim-actions/get-pr-commits@v1.3.1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: check subject line length
        uses: tim-actions/commit-message-checker-with-regex@v0.3.2
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^.{0,72}(\n.*)*$'
          error: 'Subject too long (max 72)'

  lint:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-go@v6
        with:
          go-version: 1.24.x
      - uses: golangci/golangci-lint-action@v7
        with:
          version: v2.0

  codespell:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v5
    - name: install deps
      # Version of codespell bundled with Ubuntu is way old, so use pip.
      run: pip install codespell
    - name: run codespell
      run: codespell

  cross:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
      - name: cross
        run: make build-cross

  test-stubs:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-go@v6
        with:
          go-version: 1.24.x
      - uses: golangci/golangci-lint-action@v7
        with:
          version: v2.0
      - name: test-stubs
        run: make test

  test:
    strategy:
      fail-fast: false
      matrix:
        go-version: [1.19.x, 1.23.x, 1.24.x]
        race: ["-race", ""]
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5

      - name: install go ${{ matrix.go-version }}
        uses: actions/setup-go@v6
        with:
          go-version: ${{ matrix.go-version }}

      - name: build
        run: make BUILDFLAGS="${{ matrix.race }}" build

      - name: test
        run: make TESTFLAGS="${{ matrix.race }}" test

  vm:
    name: "VM"
    strategy:
      fail-fast: false
      matrix:
        template:
          - template://almalinux-8
          - template://centos-stream-9
          - template://fedora
          - template://experimental/opensuse-tumbleweed
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5

      - name: "Install Lima"
        uses: lima-vm/lima-actions/setup@v1
        id: lima-actions-setup

      - name: "Cache ~/.cache/lima"
        uses: actions/cache@v4
        with:
          path: ~/.cache/lima
          key: lima-${{ steps.lima-actions-setup.outputs.version }}-${{ matrix.template }}

      - name: "Start VM"
        # --plain is set to disable file sharing, port forwarding, built-in containerd, etc. for faster start up
        run: limactl start --plain --name=default ${{ matrix.template }}

      - name: "Initialize VM"
        run: |
          set -eux -o pipefail
          # Sync the current directory to /tmp/selinux in the guest
          limactl cp -r . default:/tmp/selinux
          # Install packages
          if lima command -v dnf >/dev/null; then
            lima sudo dnf install --setopt=install_weak_deps=false --setopt=tsflags=nodocs -y git-core make golang
          elif lima command -v zypper >/dev/null; then
            lima sudo zypper install -y git make go
          else
            echo >&2 "Unsupported distribution"
            exit 1
          fi

      - name: "make test"
        continue-on-error: true
        run: lima make -C /tmp/selinux test

      - name: "32-bit test"
        continue-on-error: true
        run: lima make -C /tmp/selinux GOARCH=386 test

      # https://github.com/opencontainers/selinux/issues/222
      # https://github.com/opencontainers/selinux/issues/225
      - name: "racy test"
        continue-on-error: true
        run: lima bash -c 'cd /tmp/selinux && go test -timeout 10m -count 100000 ./go-selinux'

      - name: "Show AVC denials"
        run: lima sudo ausearch -m AVC,USER_AVC || true

  all-done:
    needs:
      - commit
      - lint
      - codespell
      - cross
      - test-stubs
      - test
      - vm
    runs-on: ubuntu-24.04
    steps:
    - run: echo "All jobs completed"