rename /cerulean -> /nix

nix/nixos/home.nix

@@ -0,0 +1,82 @@
+# Copyright 2025-2026 _cry64 (Emile Clark-Boman)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+{
+  _cerulean,
+  config,
+  root,
+  lib,
+  ...
+} @ args: let
+  inherit
+    (builtins)
+    pathExists
+    ;
+
+  inherit
+    (lib)
+    filterAttrs
+    mapAttrs
+    ;
+in {
+  imports = [
+    _cerulean.homeManager.nixosModules.default
+  ];
+
+  options = {
+    users.users = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule {
+        options.manageHome = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+          example = false;
+          description = ''
+            Whether Cerulean should automatically enable home-manager for this user,
+            and manage their home configuration declaratively.
+
+            Enabled by default, but can be disabled if necessary.
+          '';
+        };
+      });
+    };
+  };
+
+  config = {
+    home-manager = {
+      useUserPackages = lib.mkDefault false;
+      useGlobalPkgs = lib.mkDefault true;
+
+      overwriteBackup = lib.mkDefault false;
+      backupFileExtension = lib.mkDefault "bak";
+
+      users =
+        config.users.users
+        |> filterAttrs (name: value: value.manageHome && pathExists /${root}/homes/${name})
+        |> mapAttrs (name: _: {...}: {
+          imports = [/${root}/homes/${name}];
+
+          # per-user arguments
+          _module.args.username = name;
+        });
+
+      extraSpecialArgs = _cerulean.specialArgs;
+      sharedModules = [
+        ../home
+
+        (import /${root}/nixpkgs.nix)
+        # options declarations
+        (import ./nixpkgs.nix (args // {contextName = "homes";}))
+      ];
+    };
+  };
+}