Preserve gpg directory.

nix/configuration/roles/firefox/default.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [];
+
+  environment.systemPackages = with pkgs; [
+    firefox
+  ];
+
+}

nix/configuration/roles/gpg/default.nix

@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [];
+
+  # Fetch public keys:
+  # gpg --locate-keys tom@fizz.buzz
+  #
+  # gpg -vvv --auto-key-locate local,wkd --locate-keys tom@fizz.buzz
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  environment.persistence."/persist" = {
+    hideMounts = true;
+    users.talexander = {
+      directories = [
+        { directory = ".gnupg"; user = "talexander"; group = "talexander"; mode = "0700"; } # Local keyring
+      ];
+    };
+  };
+
+}

nix/configuration/roles/graphics/default.nix

@@ -0,0 +1,7 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [];
+
+  hardware.graphics.enable = true;
+}

nix/configuration/roles/sway/default.nix

@@ -211,10 +211,8 @@ in
 
   environment.systemPackages = with pkgs; [
     alacritty
-    firefox
     pcmanfm
   ];
-  hardware.graphics.enable = true;
 
   environment.sessionVariables = {
     WLR_RENDERER_ALLOW_SOFTWARE = "1";
@@ -231,8 +229,12 @@ in
     ];
   };
 
-  programs.gnupg.agent = {
-    enable = true;
-    enableSSHSupport = true;
+  environment.persistence."/state" = {
+    hideMounts = true;
+    users.talexander = {
+      files = [
+        ".cache/wofi-drun" # Execution history for wofi to sort results
+      ];
+    };
   };
 }