ci.yml

name: CI

permissions:
  contents: read

on:
  pull_request:
  push:
    branches:
      - master
  schedule:
    - cron: '0 2 * * 0'

env:
  CARGO_INCREMENTAL: 0
  CARGO_NET_GIT_FETCH_WITH_CLI: true
  CARGO_NET_RETRY: 10
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1
  RUSTFLAGS: -D warnings
  RUSTDOCFLAGS: -D warnings
  RUSTUP_MAX_RETRIES: 10

defaults:
  run:
    shell: bash

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [nightly, beta, stable]
        include:
          - os: windows-latest
            rust: nightly-x86_64-pc-windows-gnu
          - os: windows-latest
            rust: nightly-i686-pc-windows-msvc
          - os: windows-latest
            rust: nightly-i686-pc-windows-gnu
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - run: cargo build --all --all-features --all-targets
      - run: cargo test
      - run: cargo test
        env:
          # Note: This cfg is intended to make it easy for polling developers to test
          # the backend that uses poll, and is not a public API.
          RUSTFLAGS: ${{ env.RUSTFLAGS }} --cfg polling_test_poll_backend
        if: startsWith(matrix.os, 'ubuntu')
      - run: cargo test
        env:
          # Note: This cfg is intended to make it easy for polling developers to test
          # the backend that uses pipes, and is not a public API.
          RUSTFLAGS: ${{ env.RUSTFLAGS }} --cfg polling_test_epoll_pipe
        if: startsWith(matrix.os, 'ubuntu')
      - run: cargo hack build --feature-powerset --no-dev-deps
      - name: Add rust-src
        if: startsWith(matrix.rust, 'nightly')
        run: rustup component add rust-src
      - name: Check selected Tier 3 targets
        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
        run: cargo check -Z build-std --target=riscv32imc-esp-espidf
      - name: Check haiku
        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
        run: cargo check -Z build-std --target x86_64-unknown-haiku
      - name: Clone async-io
        run: git clone https://github.com/smol-rs/async-io.git
        # The async-io Cargo.toml already has a patch section at the bottom, so we
        # can just add this.
      - name: Patch polling
        run: echo 'polling = { path = ".." }' >> async-io/Cargo.toml
      - name: Test async-io
        run: cargo test --manifest-path=async-io/Cargo.toml

  cross:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update stable
    - name: Install cross
      uses: taiki-e/install-action@cross
    # We don't test BSDs, since we already test them in Cirrus.
    - name: Android
      if: startsWith(matrix.os, 'ubuntu')
      run: cross test --target arm-linux-androideabi
    - name: iOS
      if: startsWith(matrix.os, 'macos')
      run: |
        rustup target add aarch64-apple-ios
        cross build --target aarch64-apple-ios
    - name: Linux x32
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        rustup target add x86_64-unknown-linux-gnux32
        cross check --target x86_64-unknown-linux-gnux32
    - name: Fuchsia
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        rustup target add x86_64-unknown-fuchsia
        cargo build --target x86_64-unknown-fuchsia
    - name: illumos
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        rustup target add x86_64-unknown-illumos
        cargo build --target x86_64-unknown-illumos

  wine:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: x86_64-pc-windows-gnu
          runner: wine@7.13
      - run: cargo test --target x86_64-pc-windows-gnu

  msrv:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
        # When updating this, the reminder to update the minimum supported
        # Rust version in Cargo.toml.
        rust: ['1.63']
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      - run: cargo build
      - name: Install Other Targets
        if: startsWith(matrix.os, 'ubuntu')
        run: rustup target add x86_64-unknown-freebsd x86_64-unknown-netbsd
      - run: cargo build --target x86_64-unknown-freebsd
        if: startsWith(matrix.os, 'ubuntu')
      - run: cargo build --target x86_64-unknown-netbsd
        if: startsWith(matrix.os, 'ubuntu')

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - run: cargo clippy --all-features --all-targets

  fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - run: cargo fmt --all --check

  security_audit:
    permissions:
      checks: write
      contents: read
      issues: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      # https://github.com/rustsec/audit-check/issues/2
      - uses: rustsec/audit-check@master
        with:
          token: ${{ secrets.GITHUB_TOKEN }}