name: ci
on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:
jobs:
  ci:
    name: ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        if: ${{ matrix.os == 'windows-latest' }}
        with:
          toolchain: stable
          components: rustfmt, clippy
          profile: minimal
          override: true
      - uses: cachix/install-nix-action@v12
        if: ${{ matrix.os != 'windows-latest' }}
        with:
          nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/20.09.tar.gz

      - run: cargo xtask ci
        if: ${{ matrix.os == 'windows-latest' }}
      - run: nix-shell --cores 0 --pure --run 'cargo xtask ci'
        if: ${{ matrix.os != 'windows-latest' }}