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"
  CARGO_INCREMENTAL: 0

jobs:
  lint:
    timeout-minutes: 30
    runs-on: ubuntu-24.04
    defaults:
      run:
        shell: bash
    env:
      # Need up-to-date compilers for kernels
      CC: clang-18
      CXX: clang++-18
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          components: rustfmt, clippy
      - 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 --workspace --tests --all-features -- -D warnings

  build-no-lock:
    runs-on: ubuntu-24.04
    timeout-minutes: 30
    env:
      # Need up-to-date compilers for kernels
      CC: clang
      CXX: clang++
    steps:
      - uses: actions/checkout@v4
      # Building without a lock file often requires the latest Rust version since downstream
      # dependencies may have updated their minimum Rust version.
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: "stable"
      # Remove cargo.lock to force a fresh build
      - name: Remove Cargo.lock
        run: rm -f Cargo.lock
      - uses: rui314/setup-mold@v1
      - uses: Swatinem/rust-cache@v2
      - name: Install dependencies
        run: |
          sudo apt update
          sudo apt install -y protobuf-compiler libssl-dev
      - name: Build all
        run: |
          cargo build --benches --all-features --tests

  linux:
    timeout-minutes: 30
    # To build all features, we need more disk space than is available
    # on the free OSS github runner. This is mostly due to the the
    # sentence-transformers feature.
    runs-on: ubuntu-2404-4x-x64
    defaults:
      run:
        shell: bash
        working-directory: rust
    env:
      # Need up-to-date compilers for kernels
      CC: clang-18
      CXX: clang++-18
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: rust
      - name: Install dependencies
        run: |
          # This shaves 2 minutes off this step in CI. This doesn't seem to be
          # necessary in standard runners, but it is in the 4x runners.
          sudo rm /var/lib/man-db/auto-update
          sudo apt install -y protobuf-compiler libssl-dev
      - uses: rui314/setup-mold@v1
      - name: Make Swap
        run: |
          sudo fallocate -l 16G /swapfile
          sudo chmod 600 /swapfile
          sudo mkswap /swapfile
          sudo swapon /swapfile
      - name: Start S3 integration test environment
        working-directory: .
        run: docker compose up --detach --wait
      - name: Build
        run: cargo build --all-features --tests --locked --examples
      - name: Run tests
        run: cargo test --all-features --locked
      - name: Run examples
        run: cargo run --example simple --locked

  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: Run tests
        run: |
          # Don't run the s3 integration tests since docker isn't available
          # on this image.
          ALL_FEATURES=`cargo metadata --format-version=1 --no-deps \
            | jq -r '.packages[] | .features | keys | .[]' \
            | grep -v s3-test | sort | uniq | paste -s -d "," -`
          cargo test --features $ALL_FEATURES --locked

  windows:
    runs-on: windows-2022
    strategy:
      matrix:
        target:
          - x86_64-pc-windows-msvc
          - aarch64-pc-windows-msvc
    defaults:
      run:
        working-directory: rust/lancedb
    steps:
      - uses: actions/checkout@v4
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: rust
      - name: Install Protoc v21.12
        run: choco install --no-progress protoc
      - name: Build
        run: |
          rustup target add ${{ matrix.target }}
          $env:VCPKG_ROOT = $env:VCPKG_INSTALLATION_ROOT
          cargo build --features remote --tests --locked --target ${{ matrix.target }}
      - name: Run tests
        # Can only run tests when target matches host
        if: ${{ matrix.target == 'x86_64-pc-windows-msvc' }}
        run: |
          $env:VCPKG_ROOT = $env:VCPKG_INSTALLATION_ROOT
          cargo test --features remote --locked

  msrv:
    # Check the minimum supported Rust version
    name: MSRV Check - Rust v${{ matrix.msrv }}
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        msrv: ["1.78.0"] # This should match up with rust-version in Cargo.toml
    env:
      # Need up-to-date compilers for kernels
      CC: clang-18
      CXX: clang++-18
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
      - name: Install dependencies
        run: |
          sudo apt update
          sudo apt install -y protobuf-compiler libssl-dev
      - name: Install ${{ matrix.msrv }}
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.msrv }}
      - name: Downgrade  dependencies
        # These packages have newer requirements for MSRV
        run: |
          cargo update -p aws-sdk-bedrockruntime --precise 1.64.0
          cargo update -p aws-sdk-dynamodb --precise 1.55.0
          cargo update -p aws-config --precise 1.5.10
          cargo update -p aws-sdk-kms --precise 1.51.0
          cargo update -p aws-sdk-s3 --precise 1.65.0
          cargo update -p aws-sdk-sso --precise 1.50.0
          cargo update -p aws-sdk-ssooidc --precise 1.51.0
          cargo update -p aws-sdk-sts --precise 1.51.0
          cargo update -p home --precise 0.5.9
      - name: cargo +${{ matrix.msrv }} check
        run: cargo check --workspace --tests --benches --all-features
