Clean up config & add comments.

suites/default.nix

@@ -52,10 +52,10 @@ with lib; {
   networking.hostName = hostname;
 
   # Define a user account.
-  users.users.${user} = {
+  users.users.fern = {
     isNormalUser = true;
     uid = 1000;
-    description = mkIf (user == "fern") "Fern Garden";
+    description = "Fern Garden";
     extraGroups = [
       "wheel"
       "networkmanager"
@@ -95,6 +95,9 @@ with lib; {
   # https://discourse.nixos.org/t/slow-build-at-building-man-cache/52365/2
   documentation.man.generateCaches = false;
 
+  # Enable all terminfo (for ghostty).
+  environment.enableAllTerminfo = true;
+
   # Install some packages.
   programs = {
     git.enable = true;
@@ -102,9 +105,11 @@ with lib; {
 
     nixvim = {
       enable = true;
+
+      # Set $EDITOR
       defaultEditor = true;
 
-      # For telescope.
+      # For telescope grep.
       dependencies.ripgrep.enable = true;
 
       # Space as leader.
@@ -127,7 +132,10 @@ with lib; {
 
       colorschemes.gruvbox = {
         enable = true;
-        settings.contrast = "hard";
+        settings = {
+          contrast = "hard";
+          overrides.SignColumn.bg = "none";
+        };
       };
 
       opts = rec {

suites/desktop/default.nix

@@ -4,6 +4,8 @@
   ...
 }:
 with lib; {
+  imports = [../.]; # Common config.
+
   # Configure the bootloader.
   boot = {
     # Enable secure boot.

suites/server/default.nix

@@ -1,15 +1,9 @@
 {
-  user,
-  lib,
-  ...
-}:
-with lib; {
+  imports = [../.]; # Common config.
+
   # Passwordless sudo.
   security.sudo.wheelNeedsPassword = false;
 
-  # Enable all terminfo (for ghostty).
-  environment.enableAllTerminfo = true;
-
   # Enable sshd.
   services.openssh = {
     enable = true;
@@ -20,14 +14,11 @@ with lib; {
     };
   };
 
-  users.users.${user} = {
+  # Add authorized ssh pubkeys.
+  users.users.fern = {
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIETPyuxUVEmYyEW6PVC6BXqkhULHd/RvMm8fMbYhjTMV fern@muskduck"
       "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIMoJvPcUJDVVzO4dHROCFNlgJdDZSP5xyPx2s40zcx5QAAAABHNzaDo= YubiKey5NFC"
     ];
-    extraGroups = mkIf (user == "docker") ["docker"]; # if docker is enabled.
   };
-
-  # Enable docker.
-  virtualisation.docker.enable = mkIf (user == "docker") true;
 }

suites/server/docker/default.nix

@@ -0,0 +1,9 @@
+{
+  # Add user to docker group.
+  users.users.fern = {
+    extraGroups = ["docker"];
+  };
+
+  # Enable docker.
+  virtualisation.docker.enable = true;
+}

suites/server/lxc/default.nix

@@ -1,6 +1,6 @@
 {modulesPath, ...}: {
   imports = [
     (modulesPath + "/virtualisation/proxmox-lxc.nix")
-    ./server.nix
+    ../. # Server config.
   ];
 }

suites/server/vm/default.nix

@@ -6,7 +6,7 @@
 with lib; {
   imports = [
     (modulesPath + "/profiles/qemu-guest.nix")
-    ./server.nix
+    ../. # Server config.
   ];
 
   # Load kernel modules.