From 59cfef8bbc27868a40595b22939af8b5f6dc82d8 Mon Sep 17 00:00:00 2001
From: "PAEPCKE, Michael" <git@paepcke.de>
Date: Fri, 30 Jan 2026 06:24:02 +0000
Subject: [PATCH] zsh: unbreak nixos module build for dynamic dhcp hostname

---
 nixos/modules/programs/zsh/zsh.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/programs/zsh/zsh.nix b/nixos/modules/programs/zsh/zsh.nix
index 63ff34aa286a..879b802a5db6 100644
--- a/nixos/modules/programs/zsh/zsh.nix
+++ b/nixos/modules/programs/zsh/zsh.nix
@@ -249,8 +249,8 @@ in
         setopt ${builtins.concatStringsSep " " cfg.setOptions}
       ''}
 
-      # Alternative method of determining short and full hostname.
-      HOST=${config.networking.fqdnOrHostName}
+      # Determine current fqdn hostname
+      HOST=$(hostname --fqdn)
 
       # Setup command line history.
       # Don't export these, otherwise other shells (bash) will try to use same HISTFILE.