ci.yml

name: CI

on:
  pull_request:
    branches:
      - main
  push:
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

# Cancel any currently running workflows from the same PR, branch, or
# tag when a new workflow is triggered.
#
# https://stackoverflow.com/a/66336834
concurrency:
  cancel-in-progress: true
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

jobs:
  # --------------------------------------------------------------------------
  # Check

  check:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        toolchain: ["1.67.0", stable]

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
      - uses: Swatinem/rust-cache@v2

      - name: check (no_std)
        run: cargo check --no-default-features
      - name: check (std)
        run: cargo check

  # --------------------------------------------------------------------------
  # Test

  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2

      - name: test
        run: cargo test

  # --------------------------------------------------------------------------
  # Lint

  clippy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - uses: Swatinem/rust-cache@v2

      - name: clippy
        run: cargo clippy -- -D warnings

  rustfmt:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt
      - uses: Swatinem/rust-cache@v2

      - name: rustfmt
        run: cargo fmt --all -- --check