name: Nix on Linux

on:
  push:
    branches:
      - main
  pull_request:

permissions: read-all

jobs:
  nix:
    strategy:
      fail-fast: false
      matrix:
        os: [ ubuntu-latest ]
        mode: [ "flake check", "build" ]
    runs-on: ${{ matrix.os }}
    name: nix-build
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
        with:
          fetch-depth: 0
      - uses: cachix/install-nix-action@6ed004b9ccb68dbc28e7c85bee15fa93dbd214ac
        with:
          extra_nix_config: |
            experimental-features = nix-command flakes
      - run: nix ${{ matrix.mode }} --print-build-logs --show-trace