streamline nix module argument passing

hosts/desktop/configuration.nix

@@ -8,7 +8,7 @@ args@{
 {
   imports = [
     ./hardware-configuration.nix
-    ../../modules/nixos/adb.nix
+    (import ../../modules/nixos/adb.nix (args // { user = "pomp"; }))
     ../../modules/nixos/anytype.nix
     ../../modules/nixos/audio.nix
     ../../modules/nixos/authenticator.nix

modules/nixos/adb.nix

@@ -1,9 +1,9 @@
 # https://nixos.wiki/wiki/Android
-{ pkgs, ... }:
+{ pkgs, user, ... }:
 
 {
   programs.adb.enable = true;
-  users.users.pomp.extraGroups = [
+  users.users.${user}.extraGroups = [
     "adbusers"
     "kvm"
   ];

modules/nixos/docker.nix

@@ -1,8 +1,4 @@
-{
-  pkgs,
-  user ? "pomp",
-  ...
-}:
+{ pkgs, user, ... }:
 
 {
   users.users.${user}.extraGroups = [ "docker" ];

modules/nixos/gamemode.nix

@@ -1,8 +1,4 @@
-{
-  user ? "pomp",
-  pkgs,
-  ...
-}:
+{ pkgs, user, ... }:
 
 {
   users.users.${user}.extraGroups = [ "gamemode" ];

modules/nixos/nix.nix

@@ -1,7 +1,4 @@
-{
-  user ? "pomp",
-  ...
-}:
+{ user, ... }:
 
 {
   nix = {

modules/nixos/printer-scanner.nix

@@ -1,10 +1,6 @@
 # enable only when needed
 
-{
-  pkgs,
-  user ? "pomp",
-  ...
-}:
+{ pkgs, user, ... }:
 
 {
   hardware.sane.enable = true;

modules/nixos/shell.nix

@@ -1,8 +1,4 @@
-{
-  pkgs,
-  user ? "pomp",
-  ...
-}:
+{ pkgs, user, ... }:
 
 {
   users.users.${user}.shell = pkgs.zsh;