checks.yml

name: checks

on:
  push:
    branches: [master]
    paths-ignore: ["**.md"]
  pull_request:
    paths-ignore: ["**.md"]
  workflow_dispatch:

jobs:
  extract-toolchain:
    name: extract toolchain
    runs-on: ubuntu-latest
    outputs:
      toolchain: ${{ steps.toolchain.outputs.value }}
    steps:
      - uses: actions/checkout@v4
      - uses: sebrollen/toml-action@v1.2.0
        id: toolchain
        with:
          file: rust-toolchain.toml
          field: toolchain.channel
      - run: echo "toolchain=${{ steps.toolchain.outputs.value || 'stable' }}" >> $GITHUB_OUTPUT

  clippy:
    name: cargo clippy
    runs-on: ubuntu-latest
    needs: extract-toolchain
    env:
      TOOLCHAIN: ${{ needs.extract-toolchain.outputs.toolchain }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.TOOLCHAIN }}
          components: clippy
      - uses: swatinem/rust-cache@v2
      - run: cargo clippy -- -D warnings

  test:
    name: cargo test
    needs: extract-toolchain
    runs-on: ubuntu-latest
    env:
      TOOLCHAIN: ${{ needs.extract-toolchain.outputs.toolchain }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.TOOLCHAIN }}
      - uses: swatinem/rust-cache@v2
      - run: cargo test

  fmt:
    name: cargo fmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: rustfmt
      - uses: swatinem/rust-cache@v2
      - run: cargo fmt --all -- --check