I noticed while updating poudriere-devel today that if I were to release
a 2nd update for today and use the same PORTVERSION of 20150320 and only
bump the GH_TAGNAME to a new hash and PORTREVISION that the DISTNAME
would remain the same. I had previously worked around this by defining
my own DISTNAME in the port to include GH_COMMIT/GH_TAGNAME.
This previously bit me on a portmaster update as well before I overrode
DISTNAME in that port in rP320240.
I think this same change should be made global.
All affected ports are updated. My and mat's mirrors would need to be updated