name: $(Build.SourceBranch)-$(date:yyyy-MM-dd)$(rev:.r)
trigger:
  branches:
    include:
    - 'master'
  tags:
    include:
    - '*'
    exclude:
      - 'dev'

jobs:
- job: rustfmt
  pool:
    vmImage: 'macos-10.14'
  steps:
  - checkout: self
    submodules: true
  - template: ci/azure-install-rust.yml
  - script: rustup component add rustfmt
    displayName: Add rustfmt
  - script: cargo fmt --all -- --check
    displayName: Check formatting
  variables:
    toolchain: stable

# Smoke test to build docs on one builder, using OSX for now since it's the
# fastest
- job: docs
  pool:
    vmImage: 'macos-10.14'
  steps:
  - checkout: self
    submodules: true
  - template: ci/azure-install-rust.yml
  - script: cargo doc
    displayName: Build documentation
  - script: cargo install cargo-deadlinks
    displayName: Install cargo-deadlinks
  - bash: |
      find ./target/doc -maxdepth 1 -type d -name "cranelift*" | xargs -I{} cargo deadlinks --dir {}
    displayName: Run cargo-deadlinks
  variables:
    toolchain: nightly

- job: Test
  strategy:
    matrix:
      windows-earliest:
        imageName: 'vs2017-win2016'
        toolchain: '1.37.0'
      linux-earliest:
        imageName: 'ubuntu-16.04'
        toolchain: '1.37.0'
      mac-earliest:
        imageName: 'macos-10.14'
        toolchain: '1.37.0'
      mac-stable:
        imageName: 'macos-10.14'
        toolchain: stable
      mac-beta:
        imageName: 'macos-10.14'
        toolchain: beta
      mac-nightly:
        imageName: 'macos-10.14'
        toolchain: nightly

  pool:
    vmImage: $(imageName)

  steps:
    - checkout: self
      submodules: true
    - template: ci/azure-install-rust.yml

    - script: cargo fetch
      displayName: Fetch cargo dependencies

    - script: cargo build
      displayName: Cargo build

    - bash: cargo test --all
      displayName: Cargo test
      env:
        RUST_BACKTRACE: 1

    # Ensure fuzzer works by running it with a single input
    - bash: cargo install cargo-fuzz
      displayName: Install cargo-fuzz
      condition: and(succeeded(), eq(variables['toolchain'], 'nightly'))
    - bash: |
        fuzz_module="ffaefab69523eb11935a9b420d58826c8ea65c4c"
        cargo fuzz run fuzz_translate_module \
        "fuzz/corpus/fuzz_translate_module/$fuzz_module"
      displayName: Run cargo-fuzz
      env:
        RUST_BACKTRACE: 1
      condition: and(succeeded(), eq(variables['toolchain'], 'nightly'))

- job: Fuzz_regression
  displayName: Fuzz regression
  pool:
    vmImage: "ubuntu-16.04"
  variables:
    toolchain: nightly
  steps:
    - template: ci/azure-install-rust.yml
    - bash: cargo install cargo-fuzz
    - bash: ci/fuzzit.sh local-regression

- job: Fuzz
  condition: ne(variables['Build.Reason'], 'PullRequest')
  pool:
    vmImage: "ubuntu-16.04"
  variables:
    toolchain: nightly
  steps:
    - template: ci/azure-install-rust.yml
    - bash: cargo install cargo-fuzz
    - bash: ci/fuzzit.sh fuzzing
      env:
        FUZZIT_API_KEY: $(FUZZIT_API_KEY)

- job: Build
  strategy:
    matrix:
      windows:
        imageName: 'vs2017-win2016'
        # Statically link against msvcrt to produce slightly more portable
        # binaries on Windows by reducing our binary compatibility requirements.
        RUSTFLAGS: -Ctarget-feature=+crt-static
      mac:
        imageName: 'macos-10.14'
        # Lower the deployment target from our build image in an attempt to
        # build more portable binaries that run on older releases. Note that
        # 10.9 here is arbitrarily chosen and just happens to be the lowest that
        # works at this time. Raising this is probably fine.
        MACOSX_DEPLOYMENT_TARGET: 10.9
  variables:
    toolchain: '1.37.0'
  pool:
    vmImage: $(imageName)
  # We try to be compatible with beta and nightly, but they occasionally
  # fail, so we don't allow them to hold up people using stable.
  continueOnError: $[ne(variables['toolchain'], 'stable')]
  steps:
  - template: ci/azure-build-release.yml

# Build the Linux release binary in an older Linux container (in this case
# Centos 6)
- job: Build_linux
  variables:
    toolchain: '1.37.0'
  container:
    image: centos:6
    options: "--name ci-container -v /usr/bin/docker:/tmp/docker:ro"
  steps:
  # We're executing in the container as non-root but `yum` requires root. We
  # need to install `sudo` but to do that we need `sudo`. Do a bit of a weird
  # hack where we use the host `docker` executable to re-execute in our own
  # container with the root user to install `sudo`
  - bash: /tmp/docker exec -t -u 0 ci-container sh -c "yum install -y sudo"
    displayName: Configure sudo

  # See https://edwards.sdsu.edu/research/c11-on-centos-6/ for where these
  # various commands came from.
  - bash: |
      set -e
      sudo yum install -y centos-release-scl cmake xz
      sudo yum install -y devtoolset-8-gcc devtoolset-8-binutils devtoolset-8-gcc-c++
      echo "##vso[task.prependpath]/opt/rh/devtoolset-8/root/usr/bin"
    displayName: Install system dependencies

  # Delete `libstdc++.so` to force gcc to link against `libstdc++.a` instead.
  # This is a hack and not the right way to do this, but it ends up doing the
  # right thing for now.
  - bash: sudo rm -f /opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8/libstdc++.so
    displayName: Force a static libstdc++

  - template: ci/azure-build-release.yml