name: macOS

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

jobs:
  build-macos:
    name: build-macos
    runs-on: macos-10.15
    steps:
      - name: Install Go
        uses: actions/setup-go@v2
        with:
          go-version: '1.17'
      - name: Install Dependencies
        shell: bash
        run: |
          HOMEBREW_NO_AUTO_UPDATE=1 brew install qemu binaryen
      - name: Install Xtensa toolchain
        shell: bash
        run: |
          curl -L https://github.com/espressif/crosstool-NG/releases/download/esp-2020r2/xtensa-esp32-elf-gcc8_2_0-esp-2020r2-macos.tar.gz -o xtensa-esp32-elf-gcc8_2_0-esp-2020r2-macos.tar.gz
          sudo tar -C /usr/local -xf xtensa-esp32-elf-gcc8_2_0-esp-2020r2-macos.tar.gz
          sudo ln -s /usr/local/xtensa-esp32-elf/bin/xtensa-esp32-elf-ld /usr/local/bin/xtensa-esp32-elf-ld
          rm xtensa-esp32-elf-gcc8_2_0-esp-2020r2-macos.tar.gz
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true
      - name: Cache LLVM source
        uses: actions/cache@v2
        id: cache-llvm-source
        with:
          key: llvm-source-13-macos-v1
          path: |
            llvm-project/clang/lib/Headers
            llvm-project/clang/include
            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: Cache LLVM build
        uses: actions/cache@v2
        id: cache-llvm-build
        with:
          key: llvm-build-13-macos-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
          # install dependencies
          HOMEBREW_NO_AUTO_UPDATE=1 brew install cmake ninja
          # build!
          make llvm-build
          find llvm-build -name CMakeFiles -prune -exec rm -r '{}' \;
      - name: Cache wasi-libc sysroot
        uses: actions/cache@v2
        id: cache-wasi-libc
        with:
          key: wasi-libc-sysroot-v1
          path: lib/wasi-libc/sysroot
      - name: Build wasi-libc
        if: steps.cache-wasi-libc.outputs.cache-hit != 'true'
        run: make wasi-libc
      - name: Test TinyGo
        shell: bash
        run: make test GOTESTFLAGS="-v -short"
      - name: Build TinyGo release tarball
        run: make release -j3
      - name: Make release artifact
        shell: bash
        run: cp -p build/release.tar.gz build/tinygo.darwin-amd64.tar.gz 
      - 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 double-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@v2
        with:
          name: release-double-zipped
          path: build/tinygo.darwin-amd64.tar.gz
      - name: Smoke tests
        shell: bash
        run: make smoketest TINYGO=build/tinygo AVR=0