on:
  push:
    branches:
      - main
  pull_request:

name: CI

jobs:
  check:
    name: Test
    strategy:
      matrix:
        include:
          - os: ubuntu-20.04
            target: x86_64-unknown-linux-gnu
          - os: windows-latest
            target: x86_64-pc-windows-msvc
          - os: macOS-latest
            target: x86_64-apple-darwin
          - os: ubuntu-20.04
            target: aarch64-linux-android
    runs-on: ${{ matrix.os }}
    env:
      spirv_tools_version: "20200928"
    steps:
      - uses: actions/checkout@v2
      # Ubuntu does have `brew install spirv-tools`, but it installs from
      # source and so takes >8 minutes.
      - if: ${{ runner.os == 'Linux' }}
        name: Linux - Install native dependencies
        run: |
          sudo apt install libwayland-cursor0 libxkbcommon-dev libwayland-dev
          mkdir "${HOME}/spirv-tools"
          curl -fL https://storage.googleapis.com/spirv-tools/artifacts/prod/graphics_shader_compiler/spirv-tools/linux-clang-release/continuous/1409/20210313-175801/install.tgz | tar -xz -C "${HOME}/spirv-tools"
          echo "${HOME}/spirv-tools/install/bin" >> $GITHUB_PATH
      - if: ${{ runner.os == 'macOS' }}
        name: Mac - Install spirv-tools
        run: brew install spirv-tools
      # Currently SPIR-V tools aren't available in any package manager
      # on Windows that put the tools in the path.
      - if: ${{ runner.os == 'Windows' }}
        name: Windows - Install spirv-tools
        shell: bash
        run: |
          tmparch=$(mktemp)
          mkdir "${HOME}/spirv-tools"
          curl -fL -o "$tmparch" https://storage.googleapis.com/spirv-tools/artifacts/prod/graphics_shader_compiler/spirv-tools/windows-msvc-2017-release/continuous/1391/20210313-183536/install.zip
          unzip "$tmparch" -d "${HOME}/spirv-tools"
      - if: ${{ runner.os == 'Windows' }}
        # Runs separately to add spir-v tools to Powershell's Path.
        run: echo "$HOME/spirv-tools/install/bin" >> $env:GITHUB_PATH
      # Fetch dependencies in a separate step to clearly show how long each part
      # of the testing takes
      - name: cargo fetch --locked
        run: cargo fetch --locked --target ${{ matrix.target }}
      - name: Run tests
        if: ${{ matrix.target != 'aarch64-linux-android' }}
        shell: bash
        run: .github/workflows/test.sh ${{ runner.os }}

      - name: Build WGPU Example for Android
        if: ${{ matrix.target == 'aarch64-linux-android' }}
        shell: bash
        run: |
          echo "::group::Install cargo-apk"
          cargo install cargo-apk
          echo "::endgroup::"

          echo "::group::Add aarch64-linux-android target"
          rustup target add aarch64-linux-android
          echo "::endgroup::"

          echo "::group::Build WGPU example for Android"
          cargo apk build --manifest-path examples/runners/wgpu/Cargo.toml --features use-installed-tools --no-default-features
          echo "::endgroup::"

  lint:
    name: Lint
    runs-on: ubuntu-20.04
    steps:
      # Note that we are explicitly NOT checking out submodules, to validate
      # that we haven't accidentally enabled spirv-tools native compilation
      # and regressed CI times
      - uses: actions/checkout@v2
        with:
          submodules: "false"
      - name: Install native dependencies
        run: sudo apt install libwayland-cursor0 libxkbcommon-dev libwayland-dev
      - name: Install spirv-tools
        run: |
          mkdir "${HOME}/spirv-tools"
          curl -fL https://storage.googleapis.com/spirv-tools/artifacts/prod/graphics_shader_compiler/spirv-tools/linux-clang-release/continuous/1409/20210313-175801/install.tgz | tar -xz -C "${HOME}/spirv-tools"
          echo "${HOME}/spirv-tools/install/bin" >> $GITHUB_PATH
      - name: Install rustup components
        run: rustup component add rustfmt clippy
      - name: cargo fetch --locked
        run: cargo fetch --locked
      - name: Rustfmt
        run: cargo fmt --all -- --check
      - name: Clippy
        run: .github/workflows/clippy.sh

  cargo-deny:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - uses: EmbarkStudios/cargo-deny-action@v1