name: CI
on:
  pull_request:
  push:
    branches:
      - master

env:
  RUST_BACKTRACE: 1

jobs:
  ci-pass:
    name: CI is green
    runs-on: ubuntu-latest
    needs:
      - style
      - test
      - msrv
      - miri
      - features
      - semver
      - doc
    steps:
      - run: exit 0

  style:
    name: Check Style
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt --all --check

  test:
    name: Test ${{ matrix.rust }} on ${{ matrix.os }}
    needs: [style]
    strategy:
      matrix:
        rust:
          - stable
          - beta
          - nightly
        os:
          - ubuntu-latest
          - windows-latest
          - macos-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust (${{ matrix.rust }})
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - run: cargo test --all-features

  msrv:
    name: Check MSRV (${{ matrix.rust }})
    needs: [style]
    strategy:
      matrix:
        rust: [ 1.63 ] # keep in sync with 'rust-version' in Cargo.toml
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust (${{ matrix.rust }})
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Make sure tokio 1.38.1 is used for MSRV
        run: |
          cargo update
          cargo update --package tokio --precise 1.38.1
      - run: cargo check --features full

  miri:
    name: Test with Miri
    needs: [style]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: miri
      - name: Test
        env:
          # Can't enable tcp feature since Miri does not support the tokio runtime
          MIRIFLAGS: "-Zmiri-disable-isolation"
        run: cargo miri test --all-features

  features:
    name: features
    needs: [style]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: taiki-e/install-action@cargo-hack
      - run: cargo hack --no-dev-deps check --feature-powerset --depth 2

  semver:
    name: semver
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check semver
        uses: obi1kenobi/cargo-semver-checks-action@v2
        with:
          feature-group: only-explicit-features
          features: full
          release-type: minor

  doc:
    name: Build docs
    needs: [style, test]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cargo rustdoc -- --cfg docsrs -D rustdoc::broken-intra-doc-links
