ci.yml

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule:
    - cron: '0 0 1 * *' # Monthly

jobs:
  build:
    strategy:
      fail-fast: false

      matrix:
        label:
          - Linux
          - Windows
          - macOS

        rust:
          # Should be 1.17.0, but the cargo registry broke backwards compatibility:
          # https://github.com/rust-lang/cargo/issues/14237
          #
          # It's possible to build on 1.17.0 by removing all serde dependencies and features.
          - 1.19.0
          - stable
          - beta

        include:
          - label: Linux
            os: ubuntu-24.04

          - label: Windows
            os: windows-2022

          - label: macOS
            os: macOS-14

    name: test - ${{ matrix.rust }} - ${{ matrix.label }}
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v4
      with:
        show-progress: false

    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ matrix.rust }}

    - name: Build
      run: cargo build

    - name: Test
      run: cargo test

    - name: Build (serde_support)
      if: matrix.rust != '1.19.0'
      run: cargo build --features serde_support

    - name: Test (serde_support)
      if: matrix.rust != '1.19.0'
      run: cargo test --features serde_support

    - name: Build (serde_support_test)
      if: matrix.rust != '1.19.0'
      run: cargo build --features serde_support_test

    - name: Test (serde_support_test)
      if: matrix.rust != '1.19.0'
      run: cargo test --features serde_support_test

  clippy:
    runs-on: ubuntu-24.04

    steps:
    - uses: actions/checkout@v4
      with:
        show-progress: false

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

    - name: Run clippy
      run: cargo clippy --all --all-targets

  rustfmt:
    runs-on: ubuntu-24.04

    steps:
    - uses: actions/checkout@v4
      with:
        show-progress: false

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

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