changed imports to mkModules

src/system/modules/bitcoin/default.nix

@@ -13,7 +13,6 @@ let
 
 in
 { options.modules.system.bitcoin = { enable = mkEnableOption "Bitcoin Server"; };
-  imports = [ ./modules ];
   config = mkIf cfg.enable {
     nixpkgs.overlays = [
       (final: prev: {

src/system/modules/bitcoin/modules/default.nix

@@ -1,5 +0,0 @@
-{
-  imports = [
-    ./electrum
-  ];
-}

src/system/modules/default.nix

@@ -1,5 +1,32 @@
+let
+  mkModules = dir: isRoot:
+    let
+      entries = builtins.readDir dir;
+      names = builtins.attrNames entries;
+      
+      isModuleDir = path: 
+        builtins.pathExists path &&
+        builtins.readFileType path == "directory" &&
+        builtins.baseNameOf path != "config";
+      isModule = file: file == "default.nix";
+      isNix = file: builtins.match ".*\\.nix" file != null && file != "default.nix";
+
+    in
+      builtins.concatMap (name:
+        let
+          path = "${dir}/${name}";
+        in
+          if isModuleDir path then
+            mkModules path false
+          else if isModule name && !isRoot then
+            [dir]
+          else if isNix name then
+            [path]
+          else
+            []
+      ) names;
+
+in
 {
-  imports = [
-    ./bitcoin
-  ];
+  imports = mkModules ./. true;
 }