A shared/lix.nix+{ pkgs, ... }:
+let
+ useLix = true;
+ # nix eval --inputs-from . nixpkgs#lixPackageSets --apply builtins.attrNames --json
+ lixPkgs = pkgs.lixPackageSets.lix_2_93;
+in
+# enables switching all lix/nix dependencies at once
+if useLix then lixPkgs else pkgs