name: CI
on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

jobs:
  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

  docs:
    name: Build API Docs
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true
    - name: Install Rust
      run: rustup update nightly && rustup default nightly
    - run: cargo doc --all --exclude cranelift-codegen-meta
    - run: cargo doc --package cranelift-codegen-meta --document-private-items
    - run: cargo install cargo-deadlinks
    - run: find ./target/doc -maxdepth 1 -type d -name "cranelift*" | xargs -I{} cargo deadlinks --dir {}
      name: Run cargo-deadlinks

  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # first a list of everything we test...
        name:
        - windows-earliest
        - linux-earliest
        - mac-earliest
        - stable
        - beta
        - nightly
        - windows-release
        - linux-release
        - mac-release
        # .. and then the actual configuration for each thing we test
        include:
        - name: windows-earliest
          os: ubuntu-latest
          rust: 1.37.0
        - name: linux-earliest
          os: ubuntu-16.04
          rust: 1.37.0
        - name: mac-earliest
          os: macos-10.14
          rust: 1.37.0
        - name: stable
          os: macos-latest
          rust: stable
        - name: beta
          os: macos-latest
          rust: beta
        - name: nightly
          os: macos-latest
          rust: nightly
        - name: mac-release
          os: macos-latest
          rust: stable
          release: --release
        - name: linux-release
          os: ubuntu-latest
          rust: stable
          release: --release
        - name: windows-release
          os: windows-latest
          rust: stable
          release: --release
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true

    - name: Install Rust (rustup)
      run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      if: "!startsWith(matrix.os, 'macos-')"
      shell: bash
    - name: Install Rust (macos)
      run: |
        curl https://sh.rustup.rs | sh -s -- -y --default-toolchain=${{ matrix.rust }}
        echo ::add-path::$HOME/.cargo/bin
      if: startsWith(matrix.os, 'macos-')

    - run: cargo fetch
    - run: cargo build ${{ matrix.release }}
    - run: cargo test --all ${{ matrix.release }}
      env:
        RUST_BACKTRACE: 1

    # Ensure fuzzer works by running it with a single input
    - run: cargo install cargo-fuzz
      if: matrix.rust == 'nightly'
    - run: |
        fuzz_module="ffaefab69523eb11935a9b420d58826c8ea65c4c"
        cargo fuzz run fuzz_translate_module fuzz/corpus/fuzz_translate_module/$fuzz_module
      env:
        RUST_BACKTRACE: 1
      if: false && matrix.rust == 'nightly' # Temporarily disable fuzz tests until https://github.com/bytecodealliance/cranelift/issues/1216 is resolved
      continue-on-error: true

  meta_determinist_check:
    name: Meta deterministic check
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
      with:
        submodules: true
    - name: Install Rust
      run: rustup update stable && rustup default stable
    - run: cargo build
    - run: ci/ensure_deterministic_build.sh

  fuzz:
    name: Fuzz Regression
    runs-on: ubuntu-latest
    if: false # Temporarily disable fuzz tests until https://github.com/bytecodealliance/cranelift/issues/1216 is resolved
    steps:
    - uses: actions/checkout@v1
    - name: Install Rust
      run: rustup update nightly && rustup default nightly
    - run: cargo install cargo-fuzz
    - run: ci/fuzzit.sh local-regression

  fuzz_push:
    name: Fuzz (push)
    runs-on: ubuntu-latest
    if: false && github.event_name == 'push' # Temporarily disable fuzz tests until https://github.com/bytecodealliance/cranelift/issues/1216 is resolved
    steps:
    - uses: actions/checkout@v1
    - name: Install Rust
      run: rustup update nightly && rustup default nightly
    - run: cargo install cargo-fuzz
    - run: ci/fuzzit.sh fuzzing
      env:
        FUZZIT_API_KEY: ${{ secrets.FUZZIT_API_KEY }}