ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - master

env:
  RUSTFLAGS: -Dwarnings
  RUST_BACKTRACE: 1
  CARGO_INCREMENTAL: 0 # makes cache smaller

jobs:
  clippy:
    name: Clipy and format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: 'recursive'
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt
      - name: Check format
        run: cargo fmt -- --check
      - name: Cache cargo index
        uses: actions/cache@v4
        with:
          key: immutable # this will always be hit because it's a constant
          path: ~/.cargo/registry/index
      - name: Cache cargo crates
        uses: actions/cache@v4
        with:
          key: crates-${{ hashFiles('Cargo.toml') }} # don't accumulate .crate files of old versions
          path: ~/.cargo/registry/cache # target/ dir of clippy is not worth caching
      - name: Fetch dependencies
        run: cargo fetch
      - name: Run clippy
        run: cargo clippy --all --all-targets
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: 'recursive'
      - uses: dtolnay/rust-toolchain@stable
      - name: Cache cargo index and registry
        uses: actions/cache@v4
        with:
          key: immutable
          path: ~/.cargo/registry/index
      - name: Cache cargo crates
        uses: actions/cache@v4
        with:
          key: crates-${{ hashFiles('Cargo.toml') }} # don't accumulate .crate files of old versions
          path: ~/.cargo/registry/cache
      - name: Fetch dependencies
        run: cargo fetch
      - name: Cache target directory
        uses: actions/cache@v4
        with:
          path: target
          key: target-${{ hashFiles('Cargo.toml') }}
    - name: Run Rust tests
      run: scripts/test.sh