portmaster: print /usr/ports/UPDATING on update

[Eygene Ryabinkin]

Sat, Dec 25, 2010 at 07:38:14PM -0600, Ade Lovett wrote:
> Just be prepared for infrastructural changes, for which working out a
> specific AFFECTS line would take longer than the patch itself, to
> simply say:
> 
> AFFECTS: *

The point is taken, thanks!  Updated script is attached.  It
 - adds handling of '*';
 - eliminates the need to invoke 'date' for each entry;
 - uses slightly stricter check for origin detection within AFFECTS.
-- 
Eygene Ryabinkin                                        ,,,^..^,,,
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