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Committer:
Martin Pitt
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Date:
2015-12-18 15:37:23 UTC
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Revision ID:
martin.pitt@canonical.com-20151218153723-jnbc83aspsrvnqvb
Skip second-stage upgrade testing if UPGRADE_OUTPUT option is absent or empty
This is useful to speed up britney in dry run mode, if we are only interested
in builds and package tests.