Only set the kernel's timezone when the RTC runs in local time

Otherwise, every daylight saving time change or time zone change by
travelling will make the time jump, and the local time might jump
backwards which creates unsolvable problems with file timestamps.

Closes: #759319

debian/changelog

@@ -3,6 +3,10 @@ systemd (215-17+deb8u3) UNRELEASED; urgency=medium
   * Fix namespace breakage due to incorrect path sorting. (Closes: #787758)
   * Don't timeout after 90 seconds when no password was entered for cryptsetup
     devices. (Closes: #802897)
+  * Only set the kernel's timezone when the RTC runs in local time. Otherwise,
+    every daylight saving time change or time zone change by travelling will
+    make the time jump, and the local time might jump backwards which creates
+    unsolvable problems with file timestamps. (Closes: #759319)
 
  -- Michael Biebl <biebl@debian.org>  Mon, 16 Nov 2015 17:49:20 +0100
 

debian/patches/series

@@ -153,6 +153,7 @@ manager-pass-correct-errno-to-strerror.patch
 shared-add-path_compare-an-ordering-path-comparison.patch
 core-namespace-fix-path-sorting.patch
 cryptsetup-Fix-timeout-on-dm-device.patch
+core-only-set-the-kernel-s-timezone-when-the-RTC-runs-in-.patch
 
 ## Debian specific patches:
 Add-back-support-for-Debian-specific-config-files.patch