From 84555f540cc93d75a668d9efa71c70c96deeeedf Mon Sep 17 00:00:00 2001
From: Vivek <vivek@master-hax.com>
Date: Sun, 5 Oct 2025 11:19:34 -0700
Subject: [PATCH] nixos/vnstat: allow overriding package

---
 nixos/modules/services/monitoring/vnstat.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/monitoring/vnstat.nix b/nixos/modules/services/monitoring/vnstat.nix
index 958a46e81730..73b0cf0049af 100644
--- a/nixos/modules/services/monitoring/vnstat.nix
+++ b/nixos/modules/services/monitoring/vnstat.nix
@@ -10,11 +10,12 @@ in
 {
   options.services.vnstat = {
     enable = lib.mkEnableOption "update of network usage statistics via vnstatd";
+    package = lib.mkPackageOption pkgs "vnstat" { };
   };
 
   config = lib.mkIf cfg.enable {
 
-    environment.systemPackages = [ pkgs.vnstat ];
+    environment.systemPackages = [ cfg.package ];
 
     users = {
       groups.vnstatd = { };
@@ -37,7 +38,7 @@ in
         "man:vnstat.conf(5)"
       ];
       serviceConfig = {
-        ExecStart = "${pkgs.vnstat}/bin/vnstatd -n";
+        ExecStart = "${cfg.package}/bin/vnstatd -n";
         ExecReload = "${pkgs.procps}/bin/kill -HUP $MAINPID";
 
         # Hardening (from upstream example service)