Manually merge PR153 to support e.g. certain non-linux platforms with locale

info located in other paths and therefore failing our path probing but perhaps
still able to detect it by other means.

Credits to Alex Burke (albu-diku) for the investigation and patch.
I just did some minor polish on the comment text from in the PR.


git-svn-id: svn+ssh://svn.code.sf.net/p/migrid/code/trunk@6198 b75ad72c-e7d7-11dd-a971-7dbc132099af

Author: jonasbardino

mig/shared/install.py

@@ -112,6 +112,15 @@ def determine_timezone(_environ=os.environ, _path_exists=os.path.exists, _print=
             return localtime_timezone
         except IndexError:
             pass
+        except ValueError:
+            # The attempt to reassemble a timezone string based on searching
+            # split path data is brittle and can fail if the locale information
+            # happen to be located elsewhere on disk - as is the case on e.g.
+            # FreeBSD.
+            # Rather than fail hard we catch the exception such that fallback
+            # logic below can still run and thus failing to decode the timezone
+            # does not prevent the installation routine running to completion.
+            pass
 
         _print("WARNING: ignoring non-standard /etc/localtime")