name: Nix

on:
  pull_request:
    branches:
      - main
    paths:
      - '**/*.rs'
      - '.github/workflows/nix.yml'
      - 'nix/**'
  push:
    branches:
      - main
    paths:
      - '**/*.rs'
      - '.github/workflows/nix.yml'
      - 'nix/**'

jobs:
  lints:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install nix
        uses: DeterminateSystems/nix-installer-action@main
      - name: Cache build artifacts
        uses: DeterminateSystems/magic-nix-cache-action@main
      - name: Check flake inputs
        uses: DeterminateSystems/flake-checker-action@main
        with:
          flake-lock-path: ./nix/flake.lock
          ignore-missing-flake-lock: false
      - name: Build default package
        run: nix build ./nix