From 968d4643b0380238af6abeac56b794a7f45e7ea7 Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Mon, 5 Aug 2019 17:42:17 +0800
Subject: [PATCH] nixos/mtr: make the package configurable

---
 nixos/modules/programs/mtr.nix | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/programs/mtr.nix b/nixos/modules/programs/mtr.nix
index 1fdec4c04f68..75b710c1584f 100644
--- a/nixos/modules/programs/mtr.nix
+++ b/nixos/modules/programs/mtr.nix
@@ -4,6 +4,7 @@ with lib;
 
 let
   cfg = config.programs.mtr;
+
 in {
   options = {
     programs.mtr = {
@@ -15,13 +16,22 @@ in {
           setcap wrapper for it.
         '';
       };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.mtr;
+        description = ''
+          The package to use.
+        '';
+      };
     };
   };
 
   config = mkIf cfg.enable {
-    environment.systemPackages = with pkgs; [ mtr ];
+    environment.systemPackages = with pkgs; [ cfg.package ];
+
     security.wrappers.mtr-packet = {
-      source = "${pkgs.mtr}/bin/mtr-packet";
+      source = "${cfg.package}/bin/mtr-packet";
       capabilities = "cap_net_raw+p";
     };
   };