fix(module): expose module and packages through default.nix

default.nix

@@ -1,14 +1,33 @@
-(
-  import
-  (
-    let
-      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
-    in
-      fetchTarball {
-        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-        sha256 = lock.nodes.flake-compat.locked.narHash;
-      }
-  )
-  {src = ./.;}
-)
-.defaultNix
+{pkgs ? import <nixpkgs> {}}: let
+  flake-self =
+    (
+      import
+      (
+        let
+          lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+        in
+          fetchTarball {
+            url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+            sha256 = lock.nodes.flake-compat.locked.narHash;
+          }
+      )
+      {src = ./.;}
+    )
+    .outputs;
+
+  rev = (builtins.fetchGit ./.).rev;
+in {
+  nixos = pkgs.callPackage ./package.nix {
+    flake = true;
+    inherit rev;
+  };
+
+  nixosLegacy = pkgs.callPackage ./package.nix {
+    flake = false;
+    inherit rev;
+  };
+
+  inherit flake-self;
+
+  module = import ./module.nix flake-self;
+}

module.nix

@@ -1,4 +1,4 @@
-{
+self: {
   options,
   config,
   pkgs,
@@ -17,7 +17,7 @@ in {
 
     package = lib.mkOption {
       type = types.package;
-      default = import ./default.nix;
+      default = self.packages.${pkgs.system}.nixos;
       description = "Package to use for nixos-cli";
     };