Each host have nix file for home manager

To put specific host parameters

home-manager/desktop/sway/sway.nix

@@ -11,26 +11,13 @@
       down = "j";
       up = "k";
       right = "l";
+      bars= [];
       input = {
-        "type:keyboard" = {
+        "1003:8258:MNT_Reform_Keyboard" = {
           xkb_layout = "us";
           xkb_variant = "altgr-intl";
         };
       };
-      output = {
-        "Iiyama North America PL2792UH 1166310803122" = { 
-          mode = "3840x2160@60Hz"; 
-          position = "0,0";
-          scale = "2";
-        };
-        "Iiyama North America PL2792UH 1176923201598" = {
-          mode = "3840x2160@60Hz"; 
-          position = "1920,0";
-          scale = "2";
-          transform = "90";
-        };
-      };
-      bars= [];
       keybindings = let
         mod = config.wayland.windowManager.sway.config.modifier;
         inherit (config.wayland.windowManager.sway.config)

home-manager/hosts/morty.nix

@@ -0,0 +1,30 @@
+_: {
+  home.file.".xkb/symbols/gpdwinmax".text = ''
+default partial alphanumeric_keys
+xkb_symbols "us-intl-winmax" {
+    name[group1] = "GPD Win Max us-inlt";
+    include "us(altgr-intl)"
+    key <TAB> { [ Multi_key ] };
+    key <CAPS> { [ Tab ] };
+    # include "level3(ralt_switch)"
+};
+  '';
+
+   wayland.windowManager.sway.config.input = {
+    "1:1:AT_Translated_Set_2_keyboard" = {
+      xkb_layout = "gpdwinmax";
+    };
+    "1046:928:Goodix_Capacitive_TouchScreen" = {
+      map_to_output = "eDP-1";
+    };
+    "2362:597:HTIX5288:00_093A:0255_Touchpad" = {
+      "tap" = "enable";
+      "pointer_accel" = "0.3";
+    };
+  };
+   wayland.windowManager.sway.config.output = {
+    "eDP-1" = {
+      transform = "90";
+    };
+  };
+}

home-manager/hosts/mrmeeseeks.nix

@@ -0,0 +1,15 @@
+_: {
+  wayland.windowManager.sway.config.output = {
+    "Iiyama North America PL2792UH 1166310803122" = { 
+      mode = "3840x2160@60Hz"; 
+      position = "0,0";
+      scale = "2";
+    };
+    "Iiyama North America PL2792UH 1176923201598" = {
+      mode = "3840x2160@60Hz"; 
+      position = "1920,0";
+      scale = "2";
+      transform = "90";
+    };
+  };
+}

nixos/default.nix

@@ -60,6 +60,7 @@
     useUserPackages = true;
     extraSpecialArgs = {
       inherit hostConfig;
+      inherit hostname;
     };
     users.${username} = {
       home.stateVersion = stateVersion;
@@ -80,7 +81,9 @@
         if hostConfig.gaming then
           [ ../home-manager/lutris.nix ]
         else []
-      );
+      )  ++ lib.optional (
+        builtins.pathExists ../home-manager/hosts/${hostname}.nix
+        ) ../home-manager/hosts/${hostname}.nix;
     };
   };