[ROLES] Clean up a bit.

nixos/common/ssh.nix

@@ -25,8 +25,8 @@ in {
       publicKey = builtins.readFile ./ca-pubkey.pem;
     };
     */
-    kexAlgorithms = ["curve25519-sha256@libssh.org"];
     settings = {
+      KexAlgorithms = ["curve25519-sha256@libssh.org"];
       PasswordAuthentication = false;
       KbdInteractiveAuthentication = false;
       PermitRootLogin = mkDefault "prohibit-password";

nixos/roles/bootable.nix

@@ -22,9 +22,10 @@ in {
         grub.configurationLimit = 8;
         systemd-boot.configurationLimit = 8;
       };
-      tmpOnTmpfs = true;
-      tmpOnTmpfsSize = "80%";
-      kernelPackages = mkIf (list.elem "zfs" config.boot.supportedFilesystems) (mkDefault config.boot.zfs.package.latestCompatibleLinuxPackages);
+      tmp = {
+        tmpfsSize = "80%";
+        useTmpfs = true;
+      };
     }
     (mkIf (list.elem "zfs" config.boot.supportedFilesystems) {
       kernelPackages = mkDefault config.boot.zfs.package.latestCompatibleLinuxPackages;

nixos/roles/gnome/gnome.nix

@@ -1,4 +1,12 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  tree,
+  ...
+}: {
+  imports = with tree.nixos.roles; [
+    graphical
+  ];
+
   services.xserver.enable = true;
   services.xserver.displayManager.gdm.enable = true;
   services.xserver.desktopManager.gnome.enable = true;

nixos/roles/graphical/bootable.nix

@@ -0,0 +1,5 @@
+{tree, ...}: {
+  imports = with tree.nixos.roles; [
+    bootable
+  ];
+}

nixos/roles/server.nix

@@ -1,10 +1,15 @@
 {
   std,
   config,
+  tree,
   ...
 }: let
   inherit (std) set;
 in {
+  imports = with tree.nixos.roles; [
+    bootable
+  ];
+
   systemd.tmpfiles.rules = set.mapToValues (username: _: "f /var/lib/systemd/linger/${username}") config.users.users;
 
   networking.firewall = {

nixos/roles/sway/sway.nix

@@ -8,6 +8,9 @@
   inherit (std) set list;
   inherit (lib.modules) mkForce;
 in {
+  imports = with tree.nixos.roles; [
+    graphical
+  ];
   programs.sway = {
     enable = list.any (user: user.wayland.windowManager.sway.enable) (set.values config.home-manager.users);
     extraPackages = with pkgs; mkForce [xwayland swaylock swayidle swaylock-fancy wmctrl];