Suppressible

suppressible.rb

module Suppressible
  def self.extended(base)
    base.thread_mattr_accessor :suppressed, instance_accessor: false
    base.delegate :suppressed?, to: 'self.class'
  end

  def suppress(&block)
    original, self.suppressed = self.suppressed, true
    yield
  ensure
    self.suppressed = original
  end

  def suppressed?
    suppressed
  end
end