name: CI

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

env:
  RUSTFLAGS: -Dwarnings
  RUST_BACKTRACE: 1
  nightly: nightly-2024-09-15

defaults:
  run:
    shell: bash

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

  # TODO
  # # Apply clippy lints
  # clippy:
  #   name: clippy
  #   runs-on: ubuntu-latest
  #   steps:
  #   - uses: actions/checkout@v4
  #   - name: Apply clippy lints
  #     run: cargo clippy --all-features

  # This represents the minimum Rust version supported by
  # Bytes. Updating this should be done in a dedicated PR.
  #
  # Tests are not run as tests may require newer versions of
  # rust.
  minrust:
    name: minrust
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Check
        run: cargo hack check --feature-powerset --optional-deps --rust-version

  # Stable
  stable:
    name: stable
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - ubuntu-22.04-arm # TODO: update to 24.04 when https://github.com/rust-lang/rust/issues/135867 solved
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    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 stable --no-self-update
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Test
        run: ci/test-stable.sh test

  # Nightly
  nightly:
    name: nightly
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Test
        run: ci/test-stable.sh test

  panic-abort:
    name: panic=abort tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Run tests with -Cpanic=abort
        run: ci/panic-abort.sh

  # Run tests on some extra platforms
  cross:
    name: cross
    strategy:
      matrix:
        include:
          - target: i686-unknown-linux-gnu
            os: ubuntu-latest
          - target: armv7-unknown-linux-gnueabihf
            os: ubuntu-22.04-arm # TODO: update to 24.04 when https://github.com/rust-lang/rust/issues/135867 solved
          - target: powerpc-unknown-linux-gnu
            os: ubuntu-latest
          - target: powerpc64-unknown-linux-gnu
            os: ubuntu-latest
          - target: wasm32-wasip1
            os: ubuntu-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: ${{ matrix.target }}
      - name: Test
        run: cargo test --target ${{ matrix.target }}

  # Build for no_std environment.
  no-std:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      # thumbv6m-none-eabi supports atomic, but not atomic CAS.
      # thumbv7m-none-eabi supports atomic CAS.
      - run: rustup target add thumbv6m-none-eabi thumbv7m-none-eabi
      # * --optional-deps is needed for serde feature
      # * --no-dev-deps is needed to avoid https://github.com/rust-lang/cargo/issues/4866
      - run: cargo hack build --target thumbv7m-none-eabi --feature-powerset --skip std,default --optional-deps --no-dev-deps
      # A sound way to provide atomic CAS on platforms without native atomic CAS is system-dependent.
      # portable-atomic provides major ways via cfgs and accepts user-defined implementations via critical-section feature.
      - run: cargo hack build --target thumbv6m-none-eabi --feature-powerset --skip std,default --optional-deps --no-dev-deps --features extra-platforms,extra-platforms/critical-section

  # Sanitizers
  tsan:
    name: tsan
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Install rust-src
        run: rustup component add rust-src
      - name: ASAN / TSAN
        run: ci/tsan.sh

  miri:
    name: miri
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Miri
        run: ci/miri.sh

  # Loom
  loom:
    name: loom
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Loom tests
        run: RUSTFLAGS="--cfg loom -Dwarnings" cargo test --lib

  publish_docs:
    name: Publish Documentation
    needs:
      - rustfmt
      # - clippy
      - stable
      - nightly
      - minrust
      - cross
      - tsan
      - miri
      - loom
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Build documentation
        run: cargo doc --no-deps --all-features
        env:
          RUSTDOCFLAGS: --cfg docsrs
      - name: Publish documentation
        run: |
          cd target/doc
          git init
          git add .
          git -c user.name='ci' -c user.email='ci' commit -m 'Deploy Bytes API documentation'
          git push -f -q https://git:${{ secrets.github_token }}@github.com/${{ github.repository }} HEAD:gh-pages
        if: github.event_name == 'push' && github.event.ref == 'refs/heads/master' && github.repository == 'tokio-rs/bytes'
