From f1187c4605e15526059ca7bf77efcfbfc29d6aed Mon Sep 17 00:00:00 2001
From: Joachim Fasting <joachifm@fastmail.fm>
Date: Sat, 23 Jul 2016 17:00:22 +0200
Subject: [PATCH] gradm: ensure that udev rules are actually installed

Another regression on my part: gradm won't install the rules unless
$(DESTDIR)/etc/udev/rules.d exists.
---
 pkgs/os-specific/linux/gradm/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/os-specific/linux/gradm/default.nix b/pkgs/os-specific/linux/gradm/default.nix
index 13bb91b9d9a..52c839bdedd 100644
--- a/pkgs/os-specific/linux/gradm/default.nix
+++ b/pkgs/os-specific/linux/gradm/default.nix
@@ -35,6 +35,8 @@ stdenv.mkDerivation rec {
       --replace "/sbin/gradm_pam" "$out/bin/gradm_pam"
 
     echo 'inherit-learn /nix/store' >>learn_config
+
+    mkdir -p "$out/etc/udev/rules.d"
   '';
 
   postInstall = ''rmdir $out/dev'';