name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt

      - uses: Swatinem/rust-cache@v2

      # .cargo/config.toml 依赖 sccache（rustc-wrapper）与 mold（-fuse-ld=mold），
      # 两者均在 Ubuntu 仓库中。CI 同样受益：sccache 配合 rust-cache 命中缓存，
      # mold 并行链接。
      - name: Install sccache and mold
        run: sudo apt-get update -y && sudo apt-get install -y sccache mold

      - name: Check formatting
        run: cargo fmt --all -- --check

      - name: Clippy
        run: cargo clippy --all-targets -- -D warnings

      - name: Build
        run: cargo build --verbose

      - name: Test
        run: cargo test --verbose