name: nix flake check

on:
  push:

jobs:
  check:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        system: [ 'x86_64-linux', 'aarch64-linux' ]
    steps:
    - uses: actions/checkout@v4
    - run: |
        curl --proto '=https' --tlsv1.3 -sSf -L https://install.lix.systems/lix \
        | sh -s -- install --no-confirm --enable-flakes --nix-build-user-count "$(nproc || sysctl -n hw.ncpu)" \
        --extra-conf "
        accept-flake-config = true
        experimental-features = nix-command flakes pipe-operator
        trusted-users = root $USER
        "
    - uses: DeterminateSystems/magic-nix-cache-action@v8
    - run: nix --option allow-import-from-derivation true flake check