From 629d66e0b983b0ea5780ddf805f65a024d7deb5b Mon Sep 17 00:00:00 2001
From: Jonathan Reeve <jon.reeve@gmail.com>
Date: Sun, 26 Aug 2018 14:32:00 -0400
Subject: [PATCH] polybar: only quote strings if needed

Polybar expects quoted values only when whitespace is important to the
value.

Fixes #356
---
 modules/services/polybar.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/services/polybar.nix b/modules/services/polybar.nix
index a187f62a..423b0f16 100644
--- a/modules/services/polybar.nix
+++ b/modules/services/polybar.nix
@@ -11,9 +11,14 @@ let
   toPolybarIni = generators.toINI {
     mkKeyValue = key: value:
     let
+      quoted = v:
+        if hasPrefix " " v || hasSuffix " " v
+        then ''"${v}"''
+        else v;
+
       value' =
         if isBool value then (if value then "true" else "false")
-        else if (isString value && key != "include-file") then ''"${value}"''
+        else if (isString value && key != "include-file") then quoted value
         else toString value;
     in
       "${key}=${value'}";