modules/nix.nix


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{ me, lib, self, ... }:

let
  imNotBismuth = (me != "bismuth");

  bismuthCacheSettings = { 
    substituters = [ "http://bismuth:5000" ];
    trusted-public-keys = [ "bismuth-1:XW9nsNsccipbmdfchyb3YIIWNT058iSpHLwlj1xgB7A=" ];
  };

in
{
  nix = {
    # 
    nixPath = [
      "nixpkgs=${self}/compat"
      "nixos-config=${self}/compat/nixos"
    ];

    settings = {
      experimental-features = [ "flakes" "nix-command" ];
    } // lib.optionalAttrs imNotBismuth bismuthCacheSettings; # use bismuth cache
  };
}