name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: DeterminateSystems/nix-installer-action@main

      - uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Check formatting
        run: nix fmt -- --fail-on-change

  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: DeterminateSystems/nix-installer-action@main

      - uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Run nix flake check
        run: nix flake check