From 762be05aa7df018ef6889e145614c8a84a990d48 Mon Sep 17 00:00:00 2001
From: UGA Innovation Factory <engr-ugaif@uga.edu>
Date: Thu, 18 Dec 2025 21:18:20 -0500
Subject: [PATCH] Add activation script to clean up old NFS automount unit

---
 default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/default.nix b/default.nix
index 3e6a0e6..26912aa 100644
--- a/default.nix
+++ b/default.nix
@@ -256,6 +256,16 @@ in
     # Enable NFS client support
     services.rpcbind.enable = true;
     
+    # Clean up old automount unit during activation
+    system.activationScripts.cleanupOldNfsAutomount = ''
+      if systemctl is-active mnt-nfs_share.automount &>/dev/null; then
+        systemctl stop mnt-nfs_share.automount || true
+      fi
+      if systemctl is-active mnt-nfs_share.mount &>/dev/null; then
+        systemctl stop mnt-nfs_share.mount || true
+      fi
+    '';
+    
     # NFS mount for shared storage
     fileSystems."/mnt/nfs_share" = {
       device = "192.168.1.249:/mnt/nfs_share";