lints.yml

on:
  push:
    branches:
      - "master"
    paths:
      - "**.rs"
      - "Cargo.toml"
      - "Cargo.lock"
  pull_request:
    branches:
      - "master"
    paths:
      - "**.rs"
      - "Cargo.toml"
      - "Cargo.lock"

name: Lints

jobs:
  test:
    name: "Lints"
    strategy:
      matrix:
        os:
          - "windows-latest"
          - "ubuntu-latest"
          - "macos-latest"

    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install GNU tar for macos # Fix for macos caching, https://github.com/actions/cache/issues/403
        if: matrix.os == 'macos-latest'
        run: |
          brew install gnu-tar
          echo "/usr/local/opt/gnu-tar/libexec/gnubin" >> $GITHUB_PATH

      - uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-lints-${{ hashFiles('**/Cargo.lock') }}

      # use nightly toolchain for rustfmt
      - name: Install nightly toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: rustfmt, clippy

      - name: Run cargo fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

      - name: Run cargo clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: -- -D warnings