ci.yml

name: ci

on:
  push:
    branches: [main]
  pull_request:

permissions:
  contents: read

# Cancel an in-flight run when a branch is pushed again.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  # Build and test on Linux and macOS with the race detector on. gofmt and vet
  # run here too so a formatting slip fails fast on both platforms. The full
  # suite includes Chrome-driven end-to-end tests, so the runners install a
  # browser first; tests that find none skip themselves, so the job still passes
  # if a future runner image drops Chrome.
  test:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - name: install chromium (linux)
        if: matrix.os == 'ubuntu-latest'
        uses: browser-actions/setup-chrome@v2.1.2
        id: chrome
      - name: gofmt
        run: |
          unformatted=$(gofmt -s -l .)
          if [ -n "$unformatted" ]; then
            echo "These files need gofmt -s -w:"
            echo "$unformatted"
            exit 1
          fi
      - name: go vet
        run: go vet ./...
      - name: build
        run: go build ./...
      # The GitHub Ubuntu runner disables unprivileged user namespaces (AppArmor),
      # so Chrome's sandbox cannot initialize there and the secure default would
      # make it refuse to start. IN_DOCKER is kage's documented escape hatch for
      # exactly that case, and setting it here also exercises the container path.
      # macOS does not need it, so it stays empty on that leg.
      - name: test
        env:
          KAGE_CHROME: ${{ steps.chrome.outputs.chrome-path }}
          IN_DOCKER: ${{ matrix.os == 'ubuntu-latest' && '1' || '' }}
        run: go test -race -count=1 -coverprofile=coverage.out ./...
      - name: coverage summary
        if: matrix.os == 'ubuntu-latest'
        run: go tool cover -func=coverage.out | tail -1

  # golangci-lint bundles staticcheck, govet, ineffassign, errcheck, unused and
  # more, so it is the main quality gate.
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - uses: golangci/golangci-lint-action@v9.2.1
        with:
          version: latest

  # Scan the module and its dependencies for known vulnerabilities.
  govulncheck:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - name: govulncheck
        run: |
          go install golang.org/x/vuln/cmd/govulncheck@latest
          govulncheck ./...

  # Confirm go.mod and go.sum are tidy: a PR that adds an import without running
  # go mod tidy fails here instead of breaking a later release.
  tidy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - name: go mod tidy is clean
        run: |
          go mod tidy
          git diff --exit-code -- go.mod go.sum
      # `go install module/package@version` rejects dependency-changing replace
      # directives. Issue #72 shipped one accidentally while removing leakless.
      - name: module supports versioned go install
        run: |
          if ! go mod edit -json | grep -q '"Replace": null'; then
            echo "go.mod contains a replace directive; versioned go install will fail"
            exit 1
          fi

  # Compile the optional native-window viewer (-tags webview, cgo) so that path
  # keeps building. The default CI build is pure Go and never touches it. The
  # viewer code is the same Go on every OS, only the system WebView library
  # differs, so a macOS compile (WebKit ships in the SDK) catches our
  # regressions without the WebKitGTK version juggling Linux runners need. It is
  # build-only: actually opening a window needs a display.
  webview:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - name: build webview viewer
        run: CGO_ENABLED=1 go build -tags webview ./cmd/kage

  # Cross-compile the GUI-subsystem Windows base the release ships for
  # double-click viewers (kage pack --base). A change that breaks the
  # -H windowsgui link is caught here instead of at release time. Pure Go, so it
  # cross-compiles from Linux with no extra toolchain.
  windows-gui:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7.0.0
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true
      - name: build windowsgui base
        env:
          GOOS: windows
          CGO_ENABLED: "0"
        run: |
          go build -ldflags "-H=windowsgui" -o kage-windowsgui.exe ./cmd/kage
          go list -deps ./cmd/kage > windows-deps.txt
          if grep -qx github.com/ysmood/leakless windows-deps.txt; then
            echo "Windows build imports leakless; its embedded helper triggers Defender"
            exit 1
          fi
          go tool nm kage-windowsgui.exe > windows-symbols.txt
          if grep -q github.com/ysmood/leakless windows-symbols.txt; then
            echo "Windows binary contains leakless symbols"
            exit 1
          fi