name: CI

on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master

env:
  RUSTFLAGS: -Dwarnings
  RUST_BACKTRACE: 1
  nightly: nightly-2020-12-17

defaults:
  run:
    shell: bash

jobs:
  # Check formatting
  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Install Rust
      run: rustup update stable && rustup default stable
    - name: Check formatting
      run: cargo fmt --all -- --check

  # TODO
  # # Apply clippy lints
  # clippy:
  #   name: clippy
  #   runs-on: ubuntu-latest
  #   steps:
  #   - uses: actions/checkout@v2
  #   - 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@v2
      - name: Install Rust
        run: rustup update 1.39.0 && rustup default 1.39.0
      - name: Check
        run: . ci/test-stable.sh check

  # Stable
  stable:
    name: stable
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: . ci/test-stable.sh test

  # Nightly
  nightly:
    name: nightly
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Test
        run: . ci/test-stable.sh test

  # Run tests on some extra platforms
  cross:
    name: cross
    strategy:
      matrix:
        target:
          - i686-unknown-linux-gnu
          - armv7-unknown-linux-gnueabihf
          - powerpc-unknown-linux-gnu
          - powerpc64-unknown-linux-gnu
          - wasm32-unknown-unknown
    runs-on: ubuntu-16.04
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: cross build --target ${{ matrix.target }}
        run: |
          cargo install cross
          cross build --target ${{ matrix.target }}
        if: matrix.target != 'wasm32-unknown-unknown'
      # WASM support
      - name: cargo build --target ${{ matrix.target }}
        run: |
          rustup target add ${{ matrix.target }}
          cargo build --target ${{ matrix.target }}
        if: matrix.target == 'wasm32-unknown-unknown'

  # Sanitizers
  tsan:
    name: tsan
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - 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@v2
      - name: Miri
        run: ci/miri.sh

  # Loom
  loom:
    name: loom
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - 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
      - loom
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: Build documentation
        run: cargo doc --no-deps --all-features
      - 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'