rework timezone setup

- get rid of tz-data-monitor.*
- timezone is now persistent (saved to .cache)

packages/mediacenter/xbmc/patches/xbmc-995.12-run-tzdata-setup-on-timezone-change.patch

@@ -0,0 +1,26 @@
+From 25be1b385303a8114d7e227ffab52a22de42ccd1 Mon Sep 17 00:00:00 2001
+From: Stefan Saraev <stefan@saraev.ca>
+Date: Tue, 26 Nov 2013 20:53:08 +0200
+Subject: [PATCH] run tzdata-setup on timezone change
+
+---
+ xbmc/linux/LinuxTimezone.cpp | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/xbmc/linux/LinuxTimezone.cpp b/xbmc/linux/LinuxTimezone.cpp
+index be7bce6..4000181 100644
+--- a/xbmc/linux/LinuxTimezone.cpp
++++ b/xbmc/linux/LinuxTimezone.cpp
+@@ -158,6 +158,9 @@ void CLinuxTimezone::OnSettingChanged(const CSetting *setting)
+   const std::string &settingId = setting->GetId();
+   if (settingId == "locale.timezone")
+   {
++    const std::string cmd = std::string("sh /usr/lib/openelec/tzdata-setup ") + ((CSettingString*)setting)->GetValue().c_str();
++    system(cmd.c_str());
++
+     SetTimezone(((CSettingString*)setting)->GetValue());
+ 
+     CDateTime::ResetTimezoneBias();
+-- 
+1.8.3.2
+

packages/sysutils/timezone-data/package.mk

@@ -59,6 +59,5 @@ post_makeinstall_target() {
 }
 
 post_install() {
-  enable_service tz-data-monitor.path
   enable_service tz-data.service
 }

packages/sysutils/timezone-data/scripts/tzdata-setup

@@ -19,14 +19,25 @@
 #  http://www.gnu.org/copyleft/gpl.html
 ################################################################################
 
-GUISETTINGS="/storage/.xbmc/userdata/guisettings.xml"
 
-if [ -f "$GUISETTINGS" ] ; then
-  TIMEZONE=`sed -n -e 's/.*<timezone>\(.*\)<\/timezone>.*/\1/p' /storage/.xbmc/userdata/guisettings.xml`
-fi
-
-if [ ! "$TIMEZONE" == "" -a -f "/usr/share/zoneinfo/$TIMEZONE" ] ; then
-  ln -sf "/usr/share/zoneinfo/$TIMEZONE" /var/run/localtime
+if [ -z "$1" ] ; then
+  # called from systemd. read timezone if set
+  if [ -f /storage/.cache/timezone ] ; then
+    TIMEZONE=`cat /storage/.cache/timezone`
+  else
+    if [ -f /storage/.xbmc/userdata/guisettings.xml ] ; then
+      TIMEZONE=`sed -n -e 's/.*<timezone>\(.*\)<\/timezone>.*/\1/p' /storage/.xbmc/userdata/guisettings.xml`
+    fi
+    if [ -z "TIMEZONE" ] ; then
+      TIMEZONE="UTC"
+    fi
+    # save it!
+    echo "$TIMEZONE" > /storage/.cache/timezone
+  fi
 else
-  ln -sf "/usr/share/zoneinfo/UTC" /var/run/localtime
+  # called from xbmc. save the timezone!
+  TIMEZONE="$1"
+  echo "$TIMEZONE" > /storage/.cache/timezone
 fi
+
+ln -sf "/usr/share/zoneinfo/$TIMEZONE" /var/run/localtime

packages/sysutils/timezone-data/system.d/tz-data-monitor.path

@@ -1,9 +0,0 @@
-[Unit]
-Description=Timezone data monitor
-After=local-fs.target
-
-[Path]
-PathChanged=/storage/.xbmc/userdata/guisettings.xml
-
-[Install]
-WantedBy=multi-user.target

packages/sysutils/timezone-data/system.d/tz-data-monitor.service

@@ -1,10 +0,0 @@
-[Unit]
-Description=Timezone data monitor
-
-[Service]
-Type=oneshot
-ExecStart=/bin/systemctl restart tz-data.service
-StartLimitInterval=0
-
-[Install]
-WantedBy=multi-user.target