opscode/chef — pull request #1293 by jessehu (2014-03-07 10:42:04+00:00)
Title: [CHEF-3610] Set log_level for chef-client when '-VV' is specified in the knife command

solution discussed on https://tickets.opscode.com/browse/CHEF-3610

manually tested with '-VV' option in knife command, and the chef-client show DEBUG level output as expected.

UT also passed:
rspec spec/unit/knife/core/bootstrap_context_spec.rb