Add custom impermanence module

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/console/gpg-agent/default.nix

@@ -1,5 +1,6 @@
 {
-  username ? throw "username argument is required",
+  user ? throw "user argument is required",
+  home ? throw "home argument is required",
 }:
 {
   config,
@@ -7,16 +8,11 @@
   pkgs,
   ...
 }:
-let
-  userConfig = config.users.users.${username};
-  hmConfig = config.home-manager.users.${username};
-  gpgPath = "${hmConfig.xdg.dataHome}/gnupg";
-in
 {
-  home-manager.users.${username} = {
+  home-manager.users.${user} = {
     programs.gpg = {
       enable = true;
-      homedir = gpgPath;
+      homedir = "${home}/.local/share/gnupg";
     };
 
     services.gpg-agent = {
@@ -37,8 +33,8 @@ in
                 gnupg
               ];
               runtimeEnv = {
-                GNUPGHOME = gpgPath;
-                HOME = userConfig.home;
+                GNUPGHOME = "${home}/.local/share/gnupg";
+                HOME = home;
               };
               text = builtins.readFile ./import-gpg-keys.sh;
             }
@@ -67,7 +63,7 @@ in
           Install.WantedBy = [ "default.target" ];
         };
 
-      tmpfiles.rules = [ "d ${gpgPath} 0700 ${username} users -" ];
+      tmpfiles.rules = [ "d ${home}/.local/share/gnupg 0700 ${user} users -" ];
     };
 
     sops.secrets = {