tower/.github/workflows/CI.yml

name: CI

on:
  push:
    branches:
      - master
  pull_request: {}

env:
  MSRV: 1.64.0

jobs:
  check-stable:
    # Run `cargo check` first to ensure that the pushed code at least compiles.
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - name: Check
        run: cargo check --workspace --all-features --all-targets

  check-docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - name: cargo doc
        working-directory: ${{ matrix.subcrate }}
        env:
          RUSTDOCFLAGS: "-D rustdoc::broken_intra_doc_links"
        run: cargo doc --all-features --no-deps

  check-msrv:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: "install Rust ${{ env.MSRV }}"
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}
      - name: "install Rust nightly"
        uses: dtolnay/rust-toolchain@nightly
      - name: Select minimal versions
        run: |
          cargo update -Z minimal-versions
          cargo update -p lazy_static --precise 1.5.0
      - name: Check
        run: |
          rustup default ${{ env.MSRV }}
          cargo check --all --all-targets --all-features --locked

  cargo-hack:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - name: install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: cargo hack check
        working-directory: ${{ matrix.subcrate }}
        run: cargo hack check --each-feature --no-dev-deps --workspace

  test-versions:
    # Test against the stable, beta, and nightly Rust toolchains on ubuntu-latest.
    needs: check-stable
    runs-on: ubuntu-latest
    strategy:
      # Disable fail-fast. If the test run for a particular Rust version fails,
      # don't cancel the other test runs, so that we can determine whether a
      # failure only occurs on a particular version.
      fail-fast: false
      matrix:
        rust: [stable, beta, nightly]
    steps:
      - uses: actions/checkout@v5
      - name: "install Rust ${{ matrix.rust }}"
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Run tests
        run: cargo test --workspace --all-features

  test-msrv:
    needs: check-msrv
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: "install Rust ${{ env.MSRV }}"
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}
      - name: "install Rust nightly"
        uses: dtolnay/rust-toolchain@nightly
      - name: Select minimal versions
        run: |
          cargo update -Z minimal-versions
          cargo update -p lazy_static --precise 1.5.0
      - name: test
        run: |
          rustup default ${{ env.MSRV }}
          cargo check --workspace --all-features --locked

  style:
    needs: check-stable
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - name: rustfmt
        run: cargo fmt --all -- --check

  deny-check:
    name: cargo-deny check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: EmbarkStudios/cargo-deny-action@v1
        with:
          command: check