add sops-nix dependency

cerulean/nixos/default.nix

@@ -13,12 +13,11 @@
 # limitations under the License.
 {
   root,
-  lib,
   system,
   _cerulean,
   ...
 } @ args: {
-  imports =
+  imports = with _cerulean.inputs;
     [
       # add support for `options.legacyImports`
       # ./legacy-imports.nix
@@ -27,6 +26,9 @@
       (import (root + "/nixpkgs.nix"))
       # options declarations
       (import ./nixpkgs.nix (args // {contextName = "hosts";}))
+
+      sops-nix.nixosModules.sops
+      # microvm.nixosModules.microvm
     ]
     ++ (
       if _cerulean.homeManager != null

cerulean/snow/default.nix

@@ -112,8 +112,6 @@ in
               [
                 self.nixosModules.default
                 (findImport (root + "/hosts/${name}"))
-
-                # inputs.microvm.nixosModules.microvm
               ]
               ++ (groupModules root)
               ++ node.modules

flake.nix

@@ -32,6 +32,11 @@
       url = "github:microvm-nix/microvm.nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {