Use unstable sway packages

flake.lock

@@ -39,11 +39,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1646740881,
-        "narHash": "sha256-1G/g64ttat6ZeSXu8otZQFYQqb/EylxuiReQaZ5XnF0=",
+        "lastModified": 1646913673,
+        "narHash": "sha256-nz8fwn5+8yiXP5SQCs8WEGAtkIinQE4OwgHjm0nM6i0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "4a35c770221bf9dea0da66b9e92702c5da144581",
+        "rev": "cac809141eb742190550d7b627116d2b612686fa",
         "type": "github"
       },
       "original": {

home/sway.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, config, inputs, ... }:
+{ pkgs, pkgs-unstable, lib, config, inputs, ... }:
 let
   rustybar = inputs.rustybar.defaultPackage."${pkgs.system}";
   cfg = config.wayland.windowManager.sway;
@@ -34,12 +34,15 @@ in
 {
   wayland.windowManager.sway = {
     enable = true;
-    wrapperFeatures.gtk = true;
+    package = pkgs-unstable.sway.override {
+      withBaseWrapper = true;
+      withGtkWrapper = true;
       extraSessionCommands = ''
         export MOZ_USE_XINPUT2=1
         export _JAVA_AWT_WM_NONREPARENTING=1
         export GTK_THEME=Adwaita-dark
       '';
+    };
     config = {
       modifier = "Mod4";
       terminal = "alacritty";

sets/sway.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, pkgs-unstable, ... }:
 {
   imports = [ ./fonts.nix ];
   security.polkit.enable = true;
@@ -32,8 +32,8 @@
     xdg-user-dirs
     xdg_utils
     xsettingsd
-    swaylock
-    swayidle
+    pkgs-unstable.swaylock
+    pkgs-unstable.swayidle
   ];
 
   hardware.opengl.enable = true;