From a7ee8aa351b28a395b888c6eb38d2c6b5727eb9d Mon Sep 17 00:00:00 2001
From: Marco Rebhan <me@dblsaiko.net>
Date: Mon, 4 Mar 2024 23:15:13 +0100
Subject: [PATCH] nixos/users-groups: allow changing default home directory

---
 nixos/modules/config/users-groups.nix | 10 +++++++++-
 nixos/modules/programs/shadow.nix     |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/config/users-groups.nix b/nixos/modules/config/users-groups.nix
index 845f9fdaf68ef4..57ad97f3b9e401 100644
--- a/nixos/modules/config/users-groups.nix
+++ b/nixos/modules/config/users-groups.nix
@@ -401,7 +401,7 @@ let
         (mkIf config.isNormalUser {
           group = mkDefault "users";
           createHome = mkDefault true;
-          home = mkDefault "/home/${config.name}";
+          home = mkDefault "${cfg.defaultHome}/${config.name}";
           homeMode = mkDefault "700";
           useDefaultShell = mkDefault true;
           isSystemUser = mkDefault false;
@@ -621,6 +621,14 @@ in {
       '';
     };
 
+    users.defaultHome = mkOption {
+      type = types.str;
+      default = "/home";
+      description = ''
+        The default home directory for normal users.
+      '';
+    };
+
     # systemd initrd
     boot.initrd.systemd.users = mkOption {
       description = ''
diff --git a/nixos/modules/programs/shadow.nix b/nixos/modules/programs/shadow.nix
index ef5bad69e934e5..beddb91e09575d 100644
--- a/nixos/modules/programs/shadow.nix
+++ b/nixos/modules/programs/shadow.nix
@@ -199,7 +199,7 @@ in
           # /etc/default/useradd: configuration for useradd.
           "default/useradd".source = pkgs.writeText "useradd" ''
             GROUP=100
-            HOME=/home
+            HOME=${config.users.defaultHome}
             SHELL=${utils.toShellPath config.users.defaultUserShell}
           '';
         };