CI.yml

name: CI
on:
  pull_request:
  push:
    branches:
      - master
env:
  RUST_BACKTRACE: 1

jobs:
  style:
    name: Check Style
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt

      - run: cargo fmt --all --check

  test:
    name: Test
    needs: [style]
    runs-on: ubuntu-latest
    env:
      RUSTFLAGS: -Dwarnings
    strategy:
      matrix:
        rust:
          - nightly
          - beta
          - stable
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install Rust (${{ matrix.rust }})
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}

      - name: Install libssl-dev
        run: sudo apt-get update && sudo apt-get install libssl-dev
      - name: Build without unstable flag
        run: cargo build

      - name: Check with unstable flag
        run: cargo check --features unstable

      - name: Run lib tests and doc tests
        run: cargo test

      - name: Run integration tests
        run: cargo test -p h2-tests

      - name: Run h2spec
        run: ./ci/h2spec.sh
        if: matrix.rust == 'stable'

      - name: Check minimal versions
        run: cargo clean; cargo update -Zminimal-versions; cargo check
        if: matrix.rust == 'nightly'

  clippy_check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Run Clippy
        run: cargo clippy --all-targets --all-features

  msrv:
    name: Check MSRV
    needs: [style]

    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Get MSRV from package metadata
        id: metadata
        run: |
          cargo metadata --no-deps --format-version 1 |
              jq -r '"msrv=" + (.packages[] | select(.name == "h2")).rust_version' >> $GITHUB_OUTPUT

      - name: Install Rust (${{ steps.metadata.outputs.msrv }})
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ steps.metadata.outputs.msrv }}

      - run: cargo check