Unnecessary fiddling

hosts/common/default.nix

@@ -3,7 +3,17 @@
   pkgs,
   lib,
   ...
-}: {
+}: let
+  mkUser = userName: {
+    isNormalUser = true;
+    home = "/home/${userName}";
+    initialPassword = "password";
+    extraGroups = ["wheel" "networkmanager" "docker" "video" "syncthing"];
+    shell = pkgs.zsh;
+  };
+
+  defaultUser = "daniel";
+in {
   # Use the systemd-boot EFI boot loader.
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.loader.systemd-boot.enable = lib.mkDefault true;
@@ -33,14 +43,7 @@
 
   hardware.cpu.intel.updateMicrocode = true;
 
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users.daniel = {
-    isNormalUser = true;
-    home = "/home/daniel";
-    initialPassword = "password";
-    extraGroups = ["wheel" "networkmanager" "docker" "video" "syncthing"];
-    shell = pkgs.zsh;
-  };
+  users.users."${defaultUser}" = mkUser defaultUser;
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
@@ -71,8 +74,8 @@
 
     syncthing = {
       enable = true;
-      user = "daniel";
-      dataDir = "/home/daniel";
+      user = defaultUser;
+      dataDir = "/home/${defaultUser}";
     };
 
     tailscale = {