From a8f2a59db5516e1229817f86eb8d74256d51c14a Mon Sep 17 00:00:00 2001
From: DannyDannyDanny <dth@taiga.ai>
Date: Sun, 1 Feb 2026 15:03:45 +0100
Subject: [PATCH] Add automatic backup configuration for home-manager

- Set home-manager.backupFileExtension to 'backup'
- Automatically backs up files before home-manager overwrites them
- Prevents data loss when managing Firefox profiles.ini
---
 nixos/flake.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nixos/flake.nix b/nixos/flake.nix
index d8303d6..0636d2b 100644
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@@ -66,6 +66,8 @@
         ({ lib, ... }: {
           home-manager.useGlobalPkgs = true;
           home-manager.useUserPackages = true;
+          # Automatically backup files before home-manager overwrites them
+          home-manager.backupFileExtension = "backup";
           home-manager.users.danny = { ... }: {
 
             # Force an absolute path even if another module sets a bad value.