refactor: make overlay default.nix nix-on-droid friendly

common/default.nix

@@ -7,12 +7,11 @@
   nurl,
   pkgs,
   ...
-}: {
+} @ inputs: {
   imports = [
     ./vars.nix
 
     ./modules
-    ./overlays
     ./pkgs
 
     nur.nixosModules.nur
@@ -20,7 +19,10 @@
     home-manager.nixosModules.home-manager
   ];
 
-  nixpkgs.config.allowUnfree = true;
+  nixpkgs = {
+    config.allowUnfree = true;
+    overlays = import ./overlays inputs;
+  };
   boot.tmp.cleanOnBoot = true;
 
   nix = {

common/overlays/default.nix

@@ -2,14 +2,12 @@
   neovim-flake,
   nixpkgs-wayland,
   ...
-} @ inputs: {
-  nixpkgs.overlays = [
-    (import ./dracula-theme inputs)
-    (import ./plymouth inputs)
-    (import ./spotifywm inputs)
-    (import ./squeekboard)
+} @ inputs: [
+  (import ./dracula-theme inputs)
+  (import ./plymouth inputs)
+  (import ./spotifywm inputs)
+  (import ./squeekboard)
 
-    neovim-flake.overlay
-    nixpkgs-wayland.overlay
-  ];
-}
+  neovim-flake.overlay
+  nixpkgs-wayland.overlay
+]

devices/android/default.nix

@@ -1,7 +1,5 @@
 {
   home-manager,
-  neovim-flake,
-  nix-on-droid,
   nixpkgs,
   ...
 } @ inputs: {
@@ -9,11 +7,7 @@
   home-manager-path = home-manager.outPath;
   pkgs = import nixpkgs {
     system = "aarch64-linux";
-    overlays = [
-      nix-on-droid.overlays.default
-      neovim-flake.overlay
-      (import ../../common/overlays/dracula-theme inputs)
-    ];
+    overlays = import ../../common/overlays inputs;
   };
 
   modules = [