Alternative path to tzdb.dat

[Fridrich Strba]

Hello, Andrew,

On 30/09/17 20:41, Andrew Hughes wrote:
> We did try to get the original patch upstream some time ago, but they
> were reluctant to accept such a change if a symlink would do. We could
> try again though.

Yeah, the symlink is less then optimal solution. You have to symlink in
post-install phase, and then you have to have the system-wide tzdb.dat
present. That one needs a tzdb tool that needs Java. So the chicken-egg
problem comes.

With this patch, one can filter out the timezone-java package in build
environment when building the tzdb tool and still the user has the
advantage of fresh timezone information as the system-wide one is
updated on every release of the data...

> 
> The only thing I note about the patch is that you retrieve homeDir via
> a doPrivileged call, when you're already inside a doPrivileged block.
> Was this intentional?

Nah, just an oversight. Should be reading more of the context. Attached
is the new, simplified patch.

Cheers

F.
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