name: Nix Flake
on:
  pull_request:
jobs:
  check-devshell:
    runs-on: ${{ matrix.os.gh-os }}
    strategy:
      matrix:
        os:
          - gh-os: ubuntu-latest
            nix-system: x86_64-linux
          - gh-os: macos-latest
            nix-system: aarch64-darwin
    steps:
      - name: Check out repository
        uses: actions/checkout@v6

      - name: Set up Nix
        uses: DeterminateSystems/nix-installer-action@v22

      - name: Speed up Nix cache
        uses: DeterminateSystems/magic-nix-cache-action@v13

      - name: Check flake
        run: nix flake check

      - name: Build devshell
        run: nix build .#devShells.${{ matrix.os.nix-system }}.default