name: CI

on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master

env:
  RUSTFLAGS: -Dwarnings
  RUST_BACKTRACE: 1

jobs:
  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: Check formatting
        run: cargo fmt --all -- --check

  clippy:
    name: clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: 'recursive'
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: Get rust version
        id: rust-version
        run: echo "::set-output name=version::$(rustc --version)"
      - name: Cache cargo index
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry/index
          key: index-${{ runner.os }}-${{ github.run_number }}
          restore-keys: |
            index-${{ runner.os }}-
      - name: Create lockfile
        run: cargo generate-lockfile
      - name: Cache cargo registry
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry/cache
          key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
      - name: Fetch dependencies
        run: cargo fetch
      - name: Cache target directory
        uses: actions/cache@v1
        with:
          path: target
          key: clippy-target-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
      - name: Run clippy
        run: cargo clippy --all --all-targets
  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        thing:
        - stable
        - macos-x86_64
        - arm-android
        - arm64-android
        - i686-android
        - x86_64-android
        - aarch64-ios
        - aarch64-ios-sim
        - x86_64-ios
        - i686-linux
        - arm-linux
        - aarch64-linux
        - x86_64-mingw
        - i686-msvc
        - x86_64-msvc
        include:
        - check_only: false
        - extra_test_args: ''
        - apt_packages: ''
        - custom_env: {}
        - thing: stable
          target: x86_64-unknown-linux-gnu
          rust: stable
          os: ubuntu-latest
        - thing: macos-x86_64
          target: x86_64-apple-darwin
          rust: stable
          os: macos-latest
        - thing: arm-android
          target: arm-linux-androideabi
          rust: stable
          os: ubuntu-latest
          check_only: true
        - thing: arm64-android
          target: aarch64-linux-android
          rust: stable
          os: ubuntu-latest
          check_only: true
        - thing: i686-android
          target: i686-linux-android
          rust: stable
          os: ubuntu-latest
          check_only: true
        - thing: x86_64-android
          target: x86_64-linux-android
          rust: stable
          os: ubuntu-latest
          check_only: true
        - thing: aarch64-ios
          target: aarch64-apple-ios
          os: macos-latest
          check_only: true
          # It's... theoretically possible to run tests on iPhone Simulator,
          # but for now, make sure that BoringSSL only builds.
        - thing: aarch64-ios-sim
          target: aarch64-apple-ios-sim
          os: macos-latest
          check_only: true
        - thing: x86_64-ios
          target: x86_64-apple-ios
          os: macos-latest
          check_only: true
        - thing: i686-linux
          target: i686-unknown-linux-gnu
          rust: stable
          os: ubuntu-latest
          apt_packages: gcc-multilib g++-multilib
        - thing: arm-linux
          target: arm-unknown-linux-gnueabi
          rust: stable
          os: ubuntu-latest
          apt_packages: gcc-arm-linux-gnueabi g++-arm-linux-gnueabi
          check_only: true
          custom_env:
            CC: arm-linux-gnueabi-gcc
            CXX: arm-linux-gnueabi-g++
            CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABI_LINKER: arm-linux-gnueabi-g++
        - thing: aarch64-linux
          target: aarch64-unknown-linux-gnu
          rust: stable
          os: ubuntu-latest
          apt_packages: crossbuild-essential-arm64
          check_only: true
          custom_env:
            CC: aarch64-linux-gnu-gcc
            CXX: aarch64-linux-gnu-g++
            CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-g++
        - thing: x86_64-mingw
          target: x86_64-pc-windows-gnu
          rust: stable
          os: ubuntu-latest
        - thing: i686-msvc
          target: i686-pc-windows-msvc
          rust: stable-x86_64-msvc
          os: windows-latest
          # CI's Windows doesn't have required root certs
          extra_test_args: --workspace --exclude tokio-boring --exclude hyper-boring
        - thing: x86_64-msvc
          target: x86_64-pc-windows-msvc
          rust: stable-x86_64-msvc
          os: windows-latest
          # CI's Windows doesn't have required root certs
          extra_test_args: --workspace --exclude tokio-boring --exclude hyper-boring

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'
    - name: Install Rust (rustup)
      run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      shell: bash
    - run: rustup target add ${{ matrix.target }}
    - name: Install target-specific APT dependencies
      if: "matrix.apt_packages != ''"
      run: sudo apt update && sudo apt install -y ${{ matrix.apt_packages }}
      shell: bash
    - name: Install nasm
      if: startsWith(matrix.os, 'windows')
      run: choco install nasm
      shell: cmd
    - name: Install LLVM and Clang
      if: startsWith(matrix.os, 'windows')
      uses: KyleMayes/install-llvm-action@v1
      with:
        version: "11.0"
        directory: ${{ runner.temp }}/llvm
    - name: Set LIBCLANG_PATH
      if: startsWith(matrix.os, 'windows')
      run: echo "LIBCLANG_PATH=$((gcm clang).source -replace "clang.exe")" >> $env:GITHUB_ENV
    - if: "!matrix.check_only"
      run: cargo test --target ${{ matrix.target }} ${{ matrix.extra_test_args }}
      name: Run tests
      env: ${{ matrix.custom_env }}
    - if: matrix.check_only
      # We `build` because we want the linker to verify we are cross-compiling correctly.
      run: cargo build --target ${{ matrix.target }} --tests
      name: Build tests
      env: ${{ matrix.custom_env }}
    - name: Test boring-sys cargo publish
      # Running `cargo publish --dry-run` tests two things:
      #
      # 1. That `boring-sys` can build BoringSSL with just the files included
      #    in the crates.io package (as determined by the `include` field in
      #    the `Cargo.toml`).
      # 2. That the final `boring-sys` package size, including the BoringSSL
      #    submodules, is not too large to be published to `crates.io`.
      #
      # Both of these may no longer be the case after updating the BoringSSL
      # submodules to a new revision, so it's important to test this on CI.
      run: cargo publish --dry-run -p boring-sys

  test-fips:
    name: Test FIPS integration
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'
    - name: Install Rust (rustup)
      run: rustup update stable --no-self-update && rustup default stable
      shell: bash
    - name: Install Clang-12
      uses: KyleMayes/install-llvm-action@v1
      with:
        version: "12.0.0"
        directory: ${{ runner.temp }}/llvm
    - name: Add clang++-12 link
      working-directory: ${{ runner.temp }}/llvm/bin
      run: ln -s clang clang++-12
    - name: Run tests
      run: cargo test --features fips
    - name: Test boring-sys cargo publish (FIPS)
      # Running `cargo publish --dry-run` tests two things:
      #
      # 1. That `boring-sys` can build BoringSSL with just the files included
      #    in the crates.io package (as determined by the `include` field in
      #    the `Cargo.toml`).
      # 2. That the final `boring-sys` package size, including the BoringSSL
      #    submodules, is not too large to be published to `crates.io`.
      #
      # Both of these may no longer be the case after updating the BoringSSL
      # submodules to a new revision, so it's important to test this on CI.
      run: cargo publish --dry-run -p boring-sys --features fips

  cross-build:
    name: Cross build from macOS to Linux
    runs-on: macos-latest
    strategy:
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'
    - name: Install Rust (rustup)
      run: rustup update stable --no-self-update && rustup default stable && rustup target add ${{ matrix.target }}
      shell: bash
    - name: Install ${{ matrix.target }} toolchain
      run: brew tap messense/macos-cross-toolchains && brew install ${{ matrix.target }}
    - name: Set BORING_BSSL_SYSROOT
      run: echo "BORING_BSSL_SYSROOT=$(brew --prefix ${{ matrix.target }})/toolchain/${{ matrix.target }}/sysroot" >> $GITHUB_ENV
      shell: bash
    - name: Set CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER
      run: echo "CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=${{ matrix.target }}-gcc" >> $GITHUB_ENV
    - name: Build for ${{ matrix.target }}
      run: cargo build --target ${{ matrix.target }} --all-targets

  cross-build-fips:
    name: Cross build from macOS to Linux (FIPS)
    runs-on: macos-latest
    strategy:
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'
    - name: Install Rust (rustup)
      run: rustup update stable --no-self-update && rustup default stable && rustup target add ${{ matrix.target }}
      shell: bash
    - name: Install Clang-12
      uses: KyleMayes/install-llvm-action@v1
      with:
        version: "12.0.0"
        directory: ${{ runner.temp }}/llvm
    - name: Add clang++-12 link
      working-directory: ${{ runner.temp }}/llvm/bin
      run: ln -s clang clang++-12
    - name: Install ${{ matrix.target }} toolchain
      run: brew tap messense/macos-cross-toolchains && brew install ${{ matrix.target }}
    - name: Set BORING_BSSL_FIPS_COMPILER_EXTERNAL_TOOLCHAIN
      run: echo "BORING_BSSL_FIPS_COMPILER_EXTERNAL_TOOLCHAIN=$(brew --prefix ${{ matrix.target }})/toolchain" >> $GITHUB_ENV
      shell: bash
    - name: Set BORING_BSSL_FIPS_SYSROOT
      run: echo "BORING_BSSL_FIPS_SYSROOT=$BORING_BSSL_FIPS_COMPILER_EXTERNAL_TOOLCHAIN/${{ matrix.target }}/sysroot" >> $GITHUB_ENV
      shell: bash
    - name: Set CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER
      run: echo "CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=${{ matrix.target }}-gcc" >> $GITHUB_ENV
    - name: Build for ${{ matrix.target }}
      run: cargo build --target ${{ matrix.target }} --all-targets --features fips

  test-features:
    name: Test features
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'
    - name: Install Rust (rustup)
      run: rustup update stable --no-self-update && rustup default stable
      shell: bash
    - run: cargo test --features rpk
      name: Run `rpk` tests
    - run: cargo test --features pq-experimental
      name: Run `pq-experimental` tests
    - run: cargo test --features pq-experimental,rpk
      name: Run `pq-experimental,rpk` tests
    - run: cargo test --features kx-safe-default,pq-experimental
      name: Run `kx-safe-default` tests