ci.yml

name: CI

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  clippy:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Run clippy
      run: cargo clippy --all --all-targets -- -D warnings -D missing-docs

  docs:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Run rustdoc check
      env:
        RUSTDOCFLAGS: -D warnings
      run: cargo doc

  fmt:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Run fmt
      run: cargo fmt -- --check


  test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1

    - name: Set up cargo cache
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/bin/
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
          target/
        key: cargo-${{ hashFiles('**/Cargo.lock') }}
        restore-keys:
          cargo-${{ hashFiles('**/Cargo.lock') }}
          cargo-

    - name: Run tests
      run: cargo test --locked


  test-minimal-versions:
    runs-on: ubuntu-latest
    name: test (minimal versions)
    steps:
    - uses: actions/checkout@v1

    - name: Install nightly toolchain
      uses: dtolnay/rust-toolchain@nightly

    - name: Generate Cargo.lock with minimal versions
      run: |
        rm Cargo.lock
        cargo +nightly update -Zminimal-versions

    - name: Install stable toolchain
      uses: dtolnay/rust-toolchain@stable

    - name: Set up cargo cache
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/bin/
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
          target/
        key: cargo-${{ hashFiles('**/Cargo.lock') }}
        restore-keys:
          cargo-${{ hashFiles('**/Cargo.lock') }}
          cargo-

    - name: Run tests
      run: cargo +stable test --locked


  unused-deps:
    runs-on: ubuntu-latest
    name: unused dependencies
    steps:
    - name: Checkout sources
      uses: actions/checkout@v3

    - name: Install toolchain
      uses: dtolnay/rust-toolchain@nightly

    - name: Install cargo-udeps
      uses: taiki-e/cache-cargo-install-action@v1
      with:
        tool: cargo-udeps@0.1.48

    - name: Check for unused dependencies
      run: cargo +nightly udeps --all-targets
      env:
        RUSTFLAGS: -D warnings