tinygo/.github/workflows/windows.yml

name: Windows

on:
  pull_request:
  push:
    branches:
      - dev
      - release

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

jobs:
  build-windows:
    runs-on: windows-2022
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Configure pagefile
        uses: al-cheb/configure-pagefile-action@v1.4
        with:
          minimum-size: 8GB
          maximum-size: 24GB
          disk-root: "C:"
      - uses: MinoruSekine/setup-scoop@v4
        with:
          scoop_update: 'false'
      - name: Install Dependencies
        shell: bash
        run: |
          scoop install ninja binaryen
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: true
      - name: Extract TinyGo version
        id: version
        shell: bash
        run: ./.github/workflows/tinygo-extract-version.sh | tee -a "$GITHUB_OUTPUT"
      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
          cache: true
      - name: Restore cached LLVM source
        uses: actions/cache/restore@v4
        id: cache-llvm-source
        with:
          key: llvm-source-20-windows-v1
          path: |
            llvm-project/clang/lib/Headers
            llvm-project/clang/include
            llvm-project/compiler-rt
            llvm-project/lld/include
            llvm-project/llvm/include
      - name: Download LLVM source
        if: steps.cache-llvm-source.outputs.cache-hit != 'true'
        run: make llvm-source
      - name: Save cached LLVM source
        uses: actions/cache/save@v4
        if: steps.cache-llvm-source.outputs.cache-hit != 'true'
        with:
          key: ${{ steps.cache-llvm-source.outputs.cache-primary-key }}
          path: |
            llvm-project/clang/lib/Headers
            llvm-project/clang/include
            llvm-project/compiler-rt
            llvm-project/lld/include
            llvm-project/llvm/include
      - name: Restore cached LLVM build
        uses: actions/cache/restore@v4
        id: cache-llvm-build
        with:
          key: llvm-build-20-windows-v2
          path: llvm-build
      - name: Build LLVM
        if: steps.cache-llvm-build.outputs.cache-hit != 'true'
        shell: bash
        run: |
          # fetch LLVM source
          rm -rf llvm-project
          make llvm-source
          # build!
          make llvm-build CCACHE=OFF
          # Remove unnecessary object files (to reduce cache size).
          find llvm-build -name CMakeFiles -prune -exec rm -r '{}' \;
      - name: Save cached LLVM build
        uses: actions/cache/save@v4
        if: steps.cache-llvm-build.outputs.cache-hit != 'true'
        with:
          key: ${{ steps.cache-llvm-build.outputs.cache-primary-key }}
          path: llvm-build
      - name: Cache Go cache
        uses: actions/cache@v4
        with:
          key: go-cache-windows-v1-${{ hashFiles('go.mod') }}
          path: |
            C:/Users/runneradmin/AppData/Local/go-build
            C:/Users/runneradmin/go/pkg/mod
      - name: Install wasmtime
        run: |
          scoop install wasmtime@29.0.1
      - name: make gen-device
        run: make -j3 gen-device
      - name: Test TinyGo
        shell: bash
        run: make test GOTESTFLAGS="-only-current-os"
      - name: Build TinyGo release tarball
        shell: bash
        run: make build/release -j4
      - name: Make release artifact
        shell: bash
        working-directory: build/release
        run: 7z -tzip a tinygo${{ steps.version.outputs.version }}.windows-amd64.zip tinygo
      - name: Publish release artifact
        # Note: this release artifact is double-zipped, see:
        # https://github.com/actions/upload-artifact/issues/39
        # We can essentially pick one of these:
        # - have a dobule-zipped artifact when downloaded from the UI
        # - have a very slow artifact upload
        # We're doing the former here, to keep artifact uploads fast.
        uses: actions/upload-artifact@v4
        with:
          name: windows-amd64-double-zipped-${{ steps.version.outputs.version }}
          path: build/release/tinygo${{ steps.version.outputs.version }}.windows-amd64.zip

  smoke-test-windows:
    runs-on: windows-2022
    needs: build-windows
    steps:
      - name: Configure pagefile
        uses: al-cheb/configure-pagefile-action@v1.4
        with:
          minimum-size: 8GB
          maximum-size: 24GB
          disk-root: "C:"
      - uses: MinoruSekine/setup-scoop@v4
        with:
          scoop_update: 'false'
      - name: Install Dependencies
        shell: bash
        run: |
          scoop install binaryen
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
          cache: true
      - name: Download TinyGo build
        uses: actions/download-artifact@v4
        with:
          name: windows-amd64-double-zipped-${{ needs.build-windows.outputs.version }}
          path: build/
      - name: Unzip TinyGo build
        shell: bash
        working-directory: build
        run: 7z x tinygo*.windows-amd64.zip -r
      - name: Smoke tests
        shell: bash
        run: make smoketest TINYGO=$(PWD)/build/tinygo/bin/tinygo

  stdlib-test-windows:
    runs-on: windows-2022
    needs: build-windows
    steps:
      - name: Configure pagefile
        uses: al-cheb/configure-pagefile-action@v1.4
        with:
          minimum-size: 8GB
          maximum-size: 24GB
          disk-root: "C:"
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
          cache: true
      - name: Download TinyGo build
        uses: actions/download-artifact@v4
        with:
          name: windows-amd64-double-zipped-${{ needs.build-windows.outputs.version }}
          path: build/
      - name: Unzip TinyGo build
        shell: bash
        working-directory: build
        run: 7z x tinygo*.windows-amd64.zip -r
      - name: Test stdlib packages
        run: make tinygo-test TINYGO=$(PWD)/build/tinygo/bin/tinygo

  stdlib-wasi-test-windows:
    runs-on: windows-2022
    needs: build-windows
    steps:
      - name: Configure pagefile
        uses: al-cheb/configure-pagefile-action@v1.4
        with:
          minimum-size: 8GB
          maximum-size: 24GB
          disk-root: "C:"
      - uses: MinoruSekine/setup-scoop@v4
        with:
          scoop_update: 'false'
      - name: Install Dependencies
        shell: bash
        run: |
          scoop install binaryen && scoop install wasmtime@29.0.1
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
          cache: true
      - name: Download TinyGo build
        uses: actions/download-artifact@v4
        with:
          name: windows-amd64-double-zipped-${{ needs.build-windows.outputs.version }}
          path: build/
      - name: Unzip TinyGo build
        shell: bash
        working-directory: build
        run: 7z x tinygo*.windows-amd64.zip -r
      - name: Test stdlib packages on wasip1
        run: make tinygo-test-wasip1-fast TINYGO=$(PWD)/build/tinygo/bin/tinygo