From f312d9c6f6a4a81066264d85a8e2a663d6ed7d95 Mon Sep 17 00:00:00 2001
From: David Shea <dshea@redhat.com>
Date: Wed, 17 Aug 2016 13:49:37 -0400
Subject: [PATCH] Bring back the setting of $TZ.

Callers expect setting the map location to take effect for times within
the process, so just throw thread safety to the wind and do it.
---
 src/cc-timezone-map.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cc-timezone-map.c b/src/cc-timezone-map.c
index 1bad664..d7c99d5 100644
--- a/src/cc-timezone-map.c
+++ b/src/cc-timezone-map.c
@@ -29,6 +29,7 @@
 #include "tz.h"
 #include <librsvg/rsvg.h>
 #include <string.h>
+#include <stdlib.h>
 
 G_DEFINE_TYPE (CcTimezoneMap, cc_timezone_map, GTK_TYPE_WIDGET)
 
@@ -596,16 +597,19 @@ set_location (CcTimezoneMap *map,
   {
     priv->selected_offset = get_location_offset (priv->location);
     priv->show_offset = TRUE;
+    setenv("TZ", cc_timezone_location_get_zone(location), 1);
   }
   else
   {
     priv->show_offset = FALSE;
     priv->selected_offset = 0.0;
+    unsetenv("TZ");
   }
 
   render_highlight (map);
   gtk_widget_queue_draw (GTK_WIDGET (map));
 
+
   g_signal_emit (map, signals[LOCATION_CHANGED], 0, priv->location);
 
 }
-- 
2.7.4