name: CI

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule: [cron: "40 1 * * *"]

permissions:
  contents: read

env:
  RUSTFLAGS: -Dwarnings

jobs:
  pre_ci:
    uses: dtolnay/.github/.github/workflows/pre_ci.yml@master

  test:
    name: ${{matrix.os == 'macos' && 'macOS' || format('Rust {0} ({1})', matrix.rust, matrix.arch)}}
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ${{matrix.os == 'macos' && 'macos-latest' || matrix.arch == 'x86_64' && 'ubuntu-latest' || 'ubuntu-24.04-arm'}}
    strategy:
      fail-fast: false
      matrix:
        rust: [nightly, beta, stable, 1.86.0, 1.71.0]
        arch: [x86_64, aarch64]
        os: [ubuntu]
        include:
          - rust: nightly
            os: macos
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
      - name: Enable type layout randomization
        run: echo RUSTFLAGS=${RUSTFLAGS}\ -Zrandomize-layout >> $GITHUB_ENV
        if: matrix.rust == 'nightly'
      - run: cargo check
      - run: cargo build --tests --features no-panic --release
        if: matrix.rust == 'nightly'
      - run: cargo test
        if: matrix.rust != '1.71.0'
      - run: cargo test --release
        if: matrix.rust != '1.71.0'
      - run: cargo check
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} -Ctarget-cpu=native
      - run: cargo build --tests --features no-panic --release
        if: matrix.rust == 'nightly'
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} -Ctarget-cpu=native
      - run: cargo test
        if: matrix.rust != '1.71.0'
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} -Ctarget-cpu=native
      - run: cargo test --release
        if: matrix.rust != '1.71.0'
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} -Ctarget-cpu=native
      - uses: actions/upload-artifact@v6
        if: matrix.rust == 'nightly' && matrix.arch == 'x86_64' && matrix.os == 'ubuntu' && always()
        with:
          name: Cargo.lock
          path: Cargo.lock
        continue-on-error: true

  doc:
    name: Documentation
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    env:
      RUSTDOCFLAGS: -Dwarnings
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-docs-rs
      - run: cargo docs-rs

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@clippy
        with:
          targets: aarch64-unknown-linux-gnu
      - run: cargo clippy --tests --benches -- -Dclippy::all -Dclippy::pedantic
      - run: cargo clippy --target=aarch64-unknown-linux-gnu -- -Dclippy::all -Dclippy::pedantic
      - run: cargo clippy -- -Dclippy::all -Dclippy::pedantic
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} -Ctarget-cpu=native

  miri:
    name: Miri (${{matrix.name}})
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: 64-bit little endian
            target: x86_64-unknown-linux-gnu
          - name: 64-bit big endian
            target: powerpc64-unknown-linux-gnu
          - name: 32-bit little endian
            target: i686-unknown-linux-gnu
          - name: 32-bit big endian
            target: mips-unknown-linux-gnu
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@miri
      - run: cargo miri setup
      - run: cargo miri test --target ${{matrix.target}}
        env:
          MIRIFLAGS: -Zmiri-strict-provenance

  outdated:
    name: Outdated
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@stable
      - uses: dtolnay/install@cargo-outdated
      - run: cargo outdated --exit-code 1
      - run: cargo outdated --manifest-path fuzz/Cargo.toml --exit-code 1

  fuzz:
    name: Fuzz
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v6
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-fuzz
      - run: cargo fuzz check