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# Wrap a ::Logging::Logger and implement #silence to temporarily increase the
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# min log level to execute a block of code. Used by sprockets-rails' quiet
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# assets logging feature. Foreman uses logging gem instead Rails logging stack
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# and it does not provide silencing feature (ships with just a noop method).
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# This implementation only works with Logging gem, not with Ruby/Rails Logger.
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#
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# Inspired by lib/active_record/session_store/extension/logger_silencer.rb
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#
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module Foreman
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class SilencedLogger < SimpleDelegator
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::Logging::LEVELS.each do |name, num|
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class_eval <<-EOT, __FILE__, __LINE__ + 1
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def #{name.downcase}?
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#{num} >= local_level
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end
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def #{name.downcase}(*args)
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super(*args) if #{num} >= local_level
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end
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EOT
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end
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def level_key
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@level_key ||= :"SilencedLogger##{object_id}@level"
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end
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def local_level
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Thread.current[level_key] || self.level
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end
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def local_level=(level)
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Thread.current[level_key] = level
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end
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def silence(temporary_level = Logger::ERROR, &block)
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self.local_level = temporary_level
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yield self
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ensure
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self.local_level = nil
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end
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alias_method :silence_logger, :silence
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end
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end
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