From 2014db3efcd2a50507494ae55eb02c96dc4f4ea3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Wed, 28 Jun 2017 19:47:51 +0200
Subject: [PATCH] nixos xkb-layouts-exist: try to debug on Hydra

I hate having to do this.  We're unable to reproduce the problem locally.
---
 nixos/modules/services/x11/xserver.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix
index 01e1659b30b..1f4fb05129d 100644
--- a/nixos/modules/services/x11/xserver.nix
+++ b/nixos/modules/services/x11/xserver.nix
@@ -651,6 +651,7 @@ in
     system.extraDependencies = singleton (pkgs.runCommand "xkb-layouts-exist" {
       inherit (cfg) layout xkbDir;
     } ''
+      set -x
       sed -n -e ':i /^! \(layout\|variant\) *$/ {
         :l; n; /^!/bi; s/^ *\([^ ]\+\).*/\1/p; tl
       }' "$xkbDir/rules/base.lst" | grep -qxF "$layout" && exec touch "$out"