nix config to save some space

nixos/roles/admins.nix

@@ -3,21 +3,28 @@ with lib; let
   admins = {
     nerf = {
       hashedPassword = "$y$j9T$SJcjUIcs3JYuM5oyxfEQa/$tUBQT07FK4cb9xm.A6ZKVnFIPNOYMOKC6Dt6hadCuJ7";
-      keys = [
+      sshKeys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEdA4LpEGUUmN8esFyrNZXFb2GiBID9/S6zzhcnofQuP nerf@nerflap2"
       ];
+      nixKeys = [
+        "nerflap2-1:pDZCg0oo9PxNQxwVSQSvycw7WXTl53PGvVeZWvxuqJc="
+      ];
     };
     gonne = {
       hashedPassword = "$6$EtGpHEcFkOi0yUWp$slXf0CvIUrhdqaoCrQ5YwtYu2IVuE1RGGst4fnDPRLWVm.lYx0ruvSAF2/vw/sLbW37ORJjlb0NHQ.kSG7cVY/";
-      keys = [
+      sshKeys = [
         "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAhwkSDISCWLN2GhHfxdZsVkK4J7JoEcPwtNbAesb+BZAAAABHNzaDo= Gonne"
       ];
+      nixKeys = [
+        "gonne.mathebau.de-1:FsXFyFiBFE/JxC9MCkt/WuiXjx5dkRI9RXj0FxOQrV0="
+      ];
     };
   };
 
   mkAdmin = name: {
     hashedPassword,
-    keys,
+    sshKeys,
+    ...
   }: {
     "${name}" = {
       isNormalUser = true;
@@ -25,10 +32,12 @@ with lib; let
       extraGroups = ["wheel"];
       group = "users";
       home = "/home/${name}";
-      openssh.authorizedKeys = {inherit keys;};
+      openssh.authorizedKeys = {keys = sshKeys;};
       inherit hashedPassword;
     };
   };
+  mkNixKeys = _: {nixKeys, ...}: nixKeys;
 in {
   users.users = mkMerge (mapAttrsToList mkAdmin admins);
+  nix.settings.trusted-public-keys = lists.concatLists (mapAttrsToList mkNixKeys admins);
 }