From 253b46eee078ebad26bea99a09c6e1ea9a1ddd53 Mon Sep 17 00:00:00 2001
From: Mohammad Rafiq <rafiq@rrv.sh>
Date: Mon, 7 Jul 2025 07:25:39 +0800
Subject: [PATCH 1/2] feat(hm): add sharedModules, move configurations.nix to
 hosts.nix

---
 nix/modules/home-manager.nix                  | 13 +++++++++----
 nix/{configurations.nix => modules/hosts.nix} |  0
 2 files changed, 9 insertions(+), 4 deletions(-)
 rename nix/{configurations.nix => modules/hosts.nix} (100%)

diff --git a/nix/modules/home-manager.nix b/nix/modules/home-manager.nix
index e81050f..2d6bf83 100644
--- a/nix/modules/home-manager.nix
+++ b/nix/modules/home-manager.nix
@@ -1,13 +1,18 @@
-{ inputs, ... }:
+{ inputs, config, ... }:
 let
+  inherit (cfg.lib) flattenAttrs;
+  cfg = config.flake;
   hm = inputs.home-manager;
   globalCfg = {
-    home-manager.useGlobalPkgs = true;
-    home-manager.useUserPackages = true;
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    sharedModules = [
+      (flattenAttrs (cfg.modules.homeManager or { }))
+    ];
   };
 in
 {
   imports = [ hm.flakeModules.home-manager ];
   flake.modules.nixos.default.imports = [ hm.nixosModules.home-manager ];
-  flake.modules.nixos.default.config = globalCfg;
+  flake.modules.nixos.default.config.home-manager = globalCfg;
 }
diff --git a/nix/configurations.nix b/nix/modules/hosts.nix
similarity index 100%
rename from nix/configurations.nix
rename to nix/modules/hosts.nix

From de72f9a869183b1b214a94eb7b2ca496084fc004 Mon Sep 17 00:00:00 2001
From: Mohammad Rafiq <rafiq@rrv.sh>
Date: Mon, 7 Jul 2025 07:58:15 +0800
Subject: [PATCH 2/2] feat(nix): add system module, pass config to lib

This commit introduces a system module for NixOS and Home Manager,
and passes the configuration to the lib file.
---
 nix/lib/default.nix    |  6 ++++--
 nix/manifest.nix       |  1 -
 nix/modules/system.nix | 10 ++++++++++
 nix/modules/users.nix  | 14 +++++++++++---
 4 files changed, 25 insertions(+), 6 deletions(-)
 create mode 100644 nix/modules/system.nix

diff --git a/nix/lib/default.nix b/nix/lib/default.nix
index 710a658..b75aefc 100644
--- a/nix/lib/default.nix
+++ b/nix/lib/default.nix
@@ -1,9 +1,11 @@
-{ lib, ... }:
+{ lib, config, ... }:
 let
-  inherit (lib.attrsets) concatMapAttrs;
+  cfg = config.flake;
+  inherit (lib.attrsets) mapAttrs concatMapAttrs;
 in
 {
   flake.lib = {
     flattenAttrs = attrset: concatMapAttrs (_: v: v) attrset;
+    forAllUsers = f: mapAttrs f cfg.manifest.users;
   };
 }
diff --git a/nix/manifest.nix b/nix/manifest.nix
index 5c46f9f..f3cd69c 100644
--- a/nix/manifest.nix
+++ b/nix/manifest.nix
@@ -8,7 +8,6 @@ let
       };
       nixpkgs.hostPlatform = "x86_64-linux";
       boot.loader.systemd-boot.enable = true;
-      system.stateVersion = "25.05";
       networking = { inherit hostName; };
     };
 in
diff --git a/nix/modules/system.nix b/nix/modules/system.nix
new file mode 100644
index 0000000..c2af5c0
--- /dev/null
+++ b/nix/modules/system.nix
@@ -0,0 +1,10 @@
+{
+  flake.modules.nixos.default = {
+    system.stateVersion = "25.11";
+  };
+  flake.modules.homeManager.default =
+    { osConfig, ... }:
+    {
+      home.stateVersion = osConfig.system.stateVersion;
+    };
+}
diff --git a/nix/modules/users.nix b/nix/modules/users.nix
index cfdeba5..6a423fd 100644
--- a/nix/modules/users.nix
+++ b/nix/modules/users.nix
@@ -1,12 +1,13 @@
 { config, lib, ... }:
 let
-  inherit (config.flake.lib) flattenAttrs;
+  cfg = config.flake;
+  inherit (config.flake.lib) forAllUsers flattenAttrs;
   inherit (lib.attrsets) filterAttrs;
-  owner = flattenAttrs (filterAttrs (_: v: (v.primary or false)) config.flake.manifest.users);
+  owner = flattenAttrs (filterAttrs (_: v: (v.primary or false)) cfg.manifest.users);
 in
 {
   flake.modules.nixos.default =
-    { pkgs, ... }:
+    { pkgs, config, ... }:
     {
       #TODO: move sudo/security options elsewhere
       security.sudo.wheelNeedsPassword = false;
@@ -26,5 +27,12 @@ in
           openssh.authorizedKeys.keys = [ owner.pubkey ];
         };
       };
+      home-manager.users = forAllUsers (
+        name: _: {
+          #TODO: move into nixos/darwin config - should not apply to homeConfigurations
+          home.username = name;
+          home.homeDirectory = config.users.users.${name}.home;
+        }
+      );
     };
 }