name: CI
on: [push, pull_request]

jobs:
  buildlibc:
    name: Build libc
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true

    - name: Install clang (Windows)
      shell: bash
      run: |
          curl -fsSLO https://releases.llvm.org/8.0.0/LLVM-8.0.0-win64.exe
          7z x LLVM-8.0.0-win64.exe -y -o"llvm"
          echo "::add-path::$(pwd)/llvm/bin"
          echo "::set-env name=WASM_AR::$(pwd)/llvm/bin/llvm-ar.exe"
      if: matrix.os == 'windows-latest'

    - name: Install llvm-nm (Windows)
      shell: bash
      run: |
        rustup update stable
        rustup default stable
        rustup component add llvm-tools-preview
        echo "::set-env name=WASM_NM::$(rustc --print sysroot|sed 's|C:|/c|'|sed 's|\\|/|g')/lib/rustlib/x86_64-pc-windows-msvc/bin/llvm-nm.exe"
      if: matrix.os == 'windows-latest'

    - name: Install clang (MacOS)
      shell: bash
      run: |
        curl -sSf http://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-apple-darwin.tar.xz | tar xJf -
        export CLANG_DIR=`pwd`/clang+llvm-8.0.0-x86_64-apple-darwin/bin
        echo "::add-path::$CLANG_DIR"
        echo "::set-env name=WASM_CC::$CLANG_DIR/clang"
      if: matrix.os == 'macos-latest'

    - name: Install clang (Linux)
      shell: bash
      run: |
        curl -sSf http://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz | tar xJf -
        export CLANG_DIR=`pwd`/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/bin
        echo "::add-path::$CLANG_DIR"
        echo "::set-env name=WASM_CC::$CLANG_DIR/clang"
      if: matrix.os == 'ubuntu-latest'

    - name: Build libc
      shell: bash
      run: make -j4

    - uses: actions/upload-artifact@v1
      with:
        # Upload the sysroot folder. Give it a name according to the OS it was built for.
        name: ${{ format( 'sysroot-{0}.tgz', matrix.os) }}
        path: sysroot

  headerstest:
    name: wasi-headers test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true
    - name: Install Rust (rustup)
      shell: bash
      run: rustup update stable --no-self-update && rustup default stable
      if: matrix.os != 'macos-latest'
    - name: Install Rust (macos)
      run: |
        curl https://sh.rustup.rs | sh -s -- -y
        echo "##[add-path]$HOME/.cargo/bin"
      if: matrix.os == 'macos-latest'
    - run: cargo fetch
      working-directory: tools/wasi-headers
    - run: cargo build
      working-directory: tools/wasi-headers
    - run: cargo test
      working-directory: tools/wasi-headers

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true
    - name: Install Rust
      run: rustup update stable && rustup default stable && rustup component add rustfmt
    - run: cargo fmt -- --check
      working-directory: tools/wasi-headers