name: nix

on:
  push:
    branches:
      - main
  pull_request:

permissions: read-all

jobs:
  nix:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-14]
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15 # NOTE (aseipp): keep in-sync with the build.yml timeout limit

    name: flake check
    steps:
      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
        with:
          fetch-depth: 0
      - uses: DeterminateSystems/nix-installer-action@8cdf194da984e4f12b2f8c36d1fa107c1dd67f5c
      - uses: DeterminateSystems/magic-nix-cache-action@87e8236f46702ab0ce5a058b605a173ec88d618e
      - run: nix flake check -L --show-trace