name: Rust

on:
  push:
    branches:
      - main
  pull_request:
    paths:
      - Cargo.toml
      - rust/**
      - .github/workflows/rust.yml

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  # This env var is used by Swatinem/rust-cache@v2 for the cache
  # key, so we set it to make sure it is always consistent.
  CARGO_TERM_COLOR: always
  # Disable full debug symbol generation to speed up CI build and keep memory down
  # "1" means line tables only, which is useful for panic tracebacks.
  RUSTFLAGS: "-C debuginfo=1"
  RUST_BACKTRACE: "1"

jobs:
  lint:
    timeout-minutes: 30
    runs-on: ubuntu-22.04
    defaults:
      run:
        shell: bash
        working-directory: rust
    env:
      # Need up-to-date compilers for kernels
      CC: gcc-12
      CXX: g++-12
    steps:
    - uses: actions/checkout@v4
      with:
          fetch-depth: 0
          lfs: true
    - uses: Swatinem/rust-cache@v2
      with:
        workspaces: rust
    - name: Install dependencies
      run: |
          sudo apt update
          sudo apt install -y protobuf-compiler libssl-dev
    - name: Run format
      run: cargo fmt --all -- --check
    - name: Run clippy
      run: cargo clippy --all --all-features -- -D warnings
  linux:
    timeout-minutes: 30
    runs-on: ubuntu-22.04
    defaults:
      run:
        shell: bash
        working-directory: rust
    env:
      # Need up-to-date compilers for kernels
      CC: gcc-12
      CXX: g++-12
    steps:
    - uses: actions/checkout@v4
      with:
          fetch-depth: 0
          lfs: true
    - uses: Swatinem/rust-cache@v2
      with:
          workspaces: rust
    - name: Install dependencies
      run: |
          sudo apt update
          sudo apt install -y protobuf-compiler libssl-dev
    - name: Start S3 integration test environment
      working-directory: .
      run: docker compose up --detach --wait
    - name: Build
      run: cargo build --all-features
    - name: Run tests
      run: cargo test --all-features
    - name: Run examples
      run: cargo run --example simple
  macos:
    timeout-minutes: 30
    strategy:
      matrix:
        mac-runner: [ "macos-13", "macos-14" ]
    runs-on: "${{ matrix.mac-runner }}"
    defaults:
      run:
        shell: bash
        working-directory: rust
    steps:
      - uses: actions/checkout@v4
        with:
            fetch-depth: 0
            lfs: true
      - name: CPU features
        run: sysctl -a | grep cpu
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: rust
      - name: Install dependencies
        run: brew install protobuf
      - name: Build
        run: cargo build --all-features
      - name: Run tests
        # Run with everything except the integration tests.
        run: cargo test --features remote,fp16kernels
  windows:
    runs-on: windows-2022
    steps:
      - uses: actions/checkout@v4
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: rust
      - name: Install Protoc v21.12
        working-directory: C:\
        run: |
          New-Item -Path 'C:\protoc' -ItemType Directory
          Set-Location C:\protoc
          Invoke-WebRequest https://github.com/protocolbuffers/protobuf/releases/download/v21.12/protoc-21.12-win64.zip -OutFile C:\protoc\protoc.zip
          7z x protoc.zip
          Add-Content $env:GITHUB_PATH "C:\protoc\bin"
        shell: powershell
      - name: Run tests
        run: |
          $env:VCPKG_ROOT = $env:VCPKG_INSTALLATION_ROOT
          cargo build
          cargo test