From caf3349f01a18a737356c0b488aa5f611b07782c Mon Sep 17 00:00:00 2001
From: Olli Helenius <liff@iki.fi>
Date: Sun, 28 Jul 2019 13:01:29 +0300
Subject: [PATCH] dconf: assume empty list value is a list of strings

Fixes #769.
---
 modules/misc/dconf.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/misc/dconf.nix b/modules/misc/dconf.nix
index 7d3a9731d..ef87f8972 100644
--- a/modules/misc/dconf.nix
+++ b/modules/misc/dconf.nix
@@ -13,9 +13,15 @@ let
     let
       tweakVal = v:
         if isString v then "'${v}'"
-        else if isList v then "[" + concatMapStringsSep "," tweakVal v + "]"
+        else if isList v then tweakList v
         else if isBool v then (if v then "true" else "false")
         else toString v;
+
+      # Assume empty list is a list of strings, see #769
+      tweakList = v:
+        if v == [] then "@as []"
+        else "[" + concatMapStringsSep "," tweakVal v + "]";
+
     in
       "${key}=${tweakVal value}";