From f3ce2151db0d005bea0f1c9c6673cad5443d2b75 Mon Sep 17 00:00:00 2001
From: Florian Klink <flokli@flokli.de>
Date: Sat, 1 Jun 2019 22:17:25 +0200
Subject: [PATCH] wireguard-tools: add updateScript

---
 pkgs/tools/networking/wireguard-tools/default.nix | 2 ++
 pkgs/tools/networking/wireguard-tools/update.sh   | 7 +++++++
 2 files changed, 9 insertions(+)
 create mode 100755 pkgs/tools/networking/wireguard-tools/update.sh

diff --git a/pkgs/tools/networking/wireguard-tools/default.nix b/pkgs/tools/networking/wireguard-tools/default.nix
index 4b4ecb66950..eef34c53f19 100644
--- a/pkgs/tools/networking/wireguard-tools/default.nix
+++ b/pkgs/tools/networking/wireguard-tools/default.nix
@@ -37,6 +37,8 @@ stdenv.mkDerivation rec {
     done
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with stdenv.lib; {
     description = "Tools for the WireGuard secure network tunnel";
     downloadPage = https://git.zx2c4.com/WireGuard/refs/;
diff --git a/pkgs/tools/networking/wireguard-tools/update.sh b/pkgs/tools/networking/wireguard-tools/update.sh
new file mode 100755
index 00000000000..e549228e8f1
--- /dev/null
+++ b/pkgs/tools/networking/wireguard-tools/update.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl gnused common-updater-scripts
+
+set -eu -o pipefail
+
+version="$(curl -sL https://build.wireguard.com/distros.txt | sed -n 's/^upstream\tkmodtools\t\([^\t]\+\)\t.*/\1/p')"
+update-source-version wireguard-tools "$version"