name: Nix
description: Install Nix and restore the store cache

runs:
  using: composite
  steps:
    - uses: cachix/install-nix-action@13d8dd58da0234aa297dedd986986ccb8e7f3e24 # v31.11.1
      with:
        extra_nix_config: experimental-features = nix-command flakes
    - uses: nix-community/cache-nix-action@7df957e333c1e5da7721f60227dbba6d06080569 # v7.0.2
      with:
        primary-key: nix-v2-${{ hashFiles('flake.lock', '**/*.nix') }}
        restore-prefixes-first-match: nix-v2-
        gc-max-store-size-linux: 6G